diff options
| author | Kartik Agaram <vc@akkartik.com> | 2021-01-23 11:14:07 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2021-01-23 11:14:07 -0800 |
| commit | 4254408a385f90ffe212e85a7b405054f4e73f5e (patch) | |
| tree | 87357dacdf7a4043633a68da39dc5022d1fae596 | |
| parent | 63be7b7d0d5bb6e728d9afbb68e238fcd3bda3a7 (diff) | |
| download | mu-4254408a385f90ffe212e85a7b405054f4e73f5e.tar.gz | |
7549
36 files changed, 9118 insertions, 1180 deletions
diff --git a/html/baremetal/101screen.subx.html b/html/baremetal/101screen.subx.html index 1f204a59..b41c8b85 100644 --- a/html/baremetal/101screen.subx.html +++ b/html/baremetal/101screen.subx.html @@ -55,53 +55,47 @@ if ('onhashchange' in window) { <a href='https://github.com/akkartik/mu/blob/main/baremetal/101screen.subx'>https://github.com/akkartik/mu/blob/main/baremetal/101screen.subx</a> <pre id='vimCodeElement'> <span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Primitives for screen control.</span> -<span id="L2" class="LineNr"> 2 </span> -<span id="L3" class="LineNr"> 3 </span>== code -<span id="L4" class="LineNr"> 4 </span> -<span id="L5" class="LineNr"> 5 </span><span class="subxFunction">pixel</span>: <span class="subxComment"># screen: (addr screen), x: int, y: int, color: int</span> -<span id="L6" class="LineNr"> 6 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L7" class="LineNr"> 7 </span> 55/push-ebp -<span id="L8" class="LineNr"> 8 </span> 89/<- %ebp 4/r32/esp -<span id="L9" class="LineNr"> 9 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L10" class="LineNr">10 </span> 50/push-eax -<span id="L11" class="LineNr">11 </span> 51/push-ecx -<span id="L12" class="LineNr">12 </span> <span class="subxComment"># ecx = screen</span> -<span id="L13" class="LineNr">13 </span> 8b/-> *(ebp+8) 1/r32/ecx -<span id="L14" class="LineNr">14 </span> 81 7/subop/compare %ecx 0/imm32 -<span id="L15" class="LineNr">15 </span> { -<span id="L16" class="LineNr">16 </span> 75/jump-if-!= <span class="Constant">break</span>/disp8 -<span id="L17" class="LineNr">17 </span> <span class="subxComment"># bounds checks</span> -<span id="L18" class="LineNr">18 </span> 8b/-> *(ebp+0xc) 0/r32/eax -<span id="L19" class="LineNr">19 </span> 3d/compare-eax-and 0/imm32 -<span id="L20" class="LineNr">20 </span> 7c/jump-if-< $pixel:end/disp8 -<span id="L21" class="LineNr">21 </span> 3d/compare-eax-and 0x400/imm32/1024 -<span id="L22" class="LineNr">22 </span> 7d/jump-if->= $pixel:end/disp8 -<span id="L23" class="LineNr">23 </span> 8b/-> *(ebp+0x10) 0/r32/eax -<span id="L24" class="LineNr">24 </span> 3d/compare-eax-and 0/imm32 -<span id="L25" class="LineNr">25 </span> 7c/jump-if-< $pixel:end/disp8 -<span id="L26" class="LineNr">26 </span> 3d/compare-eax-and 0x300/imm32/768 -<span id="L27" class="LineNr">27 </span> 7d/jump-if->= $pixel:end/disp8 -<span id="L28" class="LineNr">28 </span> <span class="subxComment"># eax = y*1024 + x</span> -<span id="L29" class="LineNr">29 </span> 8b/-> *(ebp+0x10) 0/r32/eax -<span id="L30" class="LineNr">30 </span> c1/shift 4/subop/left %eax 0xa/imm8 -<span id="L31" class="LineNr">31 </span> 03/add-> *(ebp+0xc) 0/r32/eax -<span id="L32" class="LineNr">32 </span> <span class="subxComment"># eax += location of frame buffer</span> -<span id="L33" class="LineNr">33 </span> 03/add-> *0x7f28 0/r32/eax -<span id="L34" class="LineNr">34 </span> <span class="subxComment"># *eax = color</span> -<span id="L35" class="LineNr">35 </span> 8b/-> *(ebp+0x14) 1/r32/ecx -<span id="L36" class="LineNr">36 </span> 88/byte<- *eax 1/r32/CL -<span id="L37" class="LineNr">37 </span> <span class="subxComment"># return</span> -<span id="L38" class="LineNr">38 </span> eb $pixel:end/disp8 -<span id="L39" class="LineNr">39 </span> } -<span id="L40" class="LineNr">40 </span> <span class="subxComment"># TODO: fake screen</span> -<span id="L41" class="LineNr">41 </span><span class="Constant">$pixel:end</span>: -<span id="L42" class="LineNr">42 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L43" class="LineNr">43 </span> 59/pop-to-ecx -<span id="L44" class="LineNr">44 </span> 58/pop-to-eax -<span id="L45" class="LineNr">45 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L46" class="LineNr">46 </span> 89/<- %esp 5/r32/ebp -<span id="L47" class="LineNr">47 </span> 5d/pop-to-ebp -<span id="L48" class="LineNr">48 </span> c3/return +<span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span> +<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># We need to do this in machine code because Mu doesn't have global variables</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># yet (for the start of video memory).</span> +<span id="L5" class="LineNr"> 5 </span> +<span id="L6" class="LineNr"> 6 </span>== code +<span id="L7" class="LineNr"> 7 </span> +<span id="L8" class="LineNr"> 8 </span><span class="subxFunction">pixel-on-real-screen</span>: <span class="subxComment"># x: int, y: int, color: int</span> +<span id="L9" class="LineNr"> 9 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L10" class="LineNr">10 </span> 55/push-ebp +<span id="L11" class="LineNr">11 </span> 89/<- %ebp 4/r32/esp +<span id="L12" class="LineNr">12 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L13" class="LineNr">13 </span> 50/push-eax +<span id="L14" class="LineNr">14 </span> 51/push-ecx +<span id="L15" class="LineNr">15 </span> <span class="subxComment"># bounds checks</span> +<span id="L16" class="LineNr">16 </span> 8b/-> *(ebp+8) 0/r32/eax +<span id="L17" class="LineNr">17 </span> 3d/compare-eax-and 0/imm32 +<span id="L18" class="LineNr">18 </span> 7c/jump-if-< $pixel-on-real-screen:end/disp8 +<span id="L19" class="LineNr">19 </span> 3d/compare-eax-and 0x400/imm32/screen-width=1024 +<span id="L20" class="LineNr">20 </span> 7d/jump-if->= $pixel-on-real-screen:end/disp8 +<span id="L21" class="LineNr">21 </span> 8b/-> *(ebp+0xc) 0/r32/eax +<span id="L22" class="LineNr">22 </span> 3d/compare-eax-and 0/imm32 +<span id="L23" class="LineNr">23 </span> 7c/jump-if-< $pixel-on-real-screen:end/disp8 +<span id="L24" class="LineNr">24 </span> 3d/compare-eax-and 0x300/imm32/screen-height=768 +<span id="L25" class="LineNr">25 </span> 7d/jump-if->= $pixel-on-real-screen:end/disp8 +<span id="L26" class="LineNr">26 </span> <span class="subxComment"># eax = y*1024 + x</span> +<span id="L27" class="LineNr">27 </span> 8b/-> *(ebp+0xc) 0/r32/eax +<span id="L28" class="LineNr">28 </span> c1/shift 4/subop/left %eax 0xa/imm8 +<span id="L29" class="LineNr">29 </span> 03/add-> *(ebp+8) 0/r32/eax +<span id="L30" class="LineNr">30 </span> <span class="subxComment"># eax += location of frame buffer</span> +<span id="L31" class="LineNr">31 </span> 03/add-> *0x7f28 0/r32/eax <span class="subxComment"># unsafe</span> +<span id="L32" class="LineNr">32 </span> <span class="subxComment"># *eax = color</span> +<span id="L33" class="LineNr">33 </span> 8b/-> *(ebp+0x10) 1/r32/ecx +<span id="L34" class="LineNr">34 </span> 88/byte<- *eax 1/r32/CL +<span id="L35" class="LineNr">35 </span><span class="Constant">$pixel-on-real-screen:end</span>: +<span id="L36" class="LineNr">36 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L37" class="LineNr">37 </span> 59/pop-to-ecx +<span id="L38" class="LineNr">38 </span> 58/pop-to-eax +<span id="L39" class="LineNr">39 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L40" class="LineNr">40 </span> 89/<- %esp 5/r32/ebp +<span id="L41" class="LineNr">41 </span> 5d/pop-to-ebp +<span id="L42" class="LineNr">42 </span> c3/return </pre> </body> </html> diff --git a/html/baremetal/102keyboard.subx.html b/html/baremetal/102keyboard.subx.html index 660d74fb..e77a5b10 100644 --- a/html/baremetal/102keyboard.subx.html +++ b/html/baremetal/102keyboard.subx.html @@ -56,49 +56,52 @@ if ('onhashchange' in window) { <pre id='vimCodeElement'> <span id="L1" class="LineNr"> 1 </span><span class="subxComment"># check keyboard for a key</span> <span id="L2" class="LineNr"> 2 </span><span class="subxComment"># return 0 on no keypress or unrecognized key</span> -<span id="L3" class="LineNr"> 3 </span> -<span id="L4" class="LineNr"> 4 </span>== code -<span id="L5" class="LineNr"> 5 </span> -<span id="L6" class="LineNr"> 6 </span><span class="subxFunction">read-key</span>: <span class="subxComment"># kbd: (addr keyboard) -> result/eax: byte</span> -<span id="L7" class="LineNr"> 7 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L8" class="LineNr"> 8 </span> 55/push-ebp -<span id="L9" class="LineNr"> 9 </span> 89/<- %ebp 4/r32/esp -<span id="L10" class="LineNr">10 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L11" class="LineNr">11 </span> 51/push-ecx -<span id="L12" class="LineNr">12 </span> <span class="subxComment"># result = 0</span> -<span id="L13" class="LineNr">13 </span> b8/copy-to-eax 0/imm32 -<span id="L14" class="LineNr">14 </span> <span class="subxComment"># ecx = keyboard</span> -<span id="L15" class="LineNr">15 </span> 8b/-> *(ebp+8) 1/r32/ecx -<span id="L16" class="LineNr">16 </span> 81 7/subop/compare %ecx 0/imm32 -<span id="L17" class="LineNr">17 </span> { -<span id="L18" class="LineNr">18 </span> 75/jump-if-!= <span class="Constant">break</span>/disp8 -<span id="L19" class="LineNr">19 </span> <span class="subxComment"># var read/ecx: byte = keyboard buffer's read index</span> -<span id="L20" class="LineNr">20 </span> 8b/-> *0x7dcc 1/r32/CL <span class="subxComment"># keyboard-buffer-read</span> -<span id="L21" class="LineNr">21 </span> <span class="subxComment"># var next-key/eax: byte = *(keyboard buffer + ecx)</span> -<span id="L22" class="LineNr">22 </span> 8a/byte-> *(ecx+0x7dd0) 0/r32/AL <span class="subxComment"># keyboard-buffer-data</span> -<span id="L23" class="LineNr">23 </span> <span class="subxComment"># if (next-key != 0) lock and remove from keyboard-buffer</span> -<span id="L24" class="LineNr">24 </span> 81 7/subop/compare %eax 0/imm32 -<span id="L25" class="LineNr">25 </span> { -<span id="L26" class="LineNr">26 </span> 74/jump-if-= <span class="Constant">break</span>/disp8 -<span id="L27" class="LineNr">27 </span> <span class="subxComment"># TODO: add some instructions in this block to SubX if we ever want to</span> -<span id="L28" class="LineNr">28 </span> <span class="subxComment"># use bootstrap on baremetal programs</span> -<span id="L29" class="LineNr">29 </span> fa/disable-interrupts -<span id="L30" class="LineNr">30 </span> c6 0/subop/copy-byte *(ecx+0x7dd0) 0/imm8 -<span id="L31" class="LineNr">31 </span> ff 0/subop/increment *0x7dcc <span class="subxComment"># keyboard-buffer-read</span> -<span id="L32" class="LineNr">32 </span> 81 4/subop/and *0x7dcc 0xf/imm32 <span class="subxComment"># keyboard-buffer-read</span> -<span id="L33" class="LineNr">33 </span> fb/enable-interrupts -<span id="L34" class="LineNr">34 </span> } -<span id="L35" class="LineNr">35 </span> <span class="subxComment"># return</span> -<span id="L36" class="LineNr">36 </span> eb $read-key:end/disp8 -<span id="L37" class="LineNr">37 </span> } -<span id="L38" class="LineNr">38 </span> <span class="subxComment"># TODO: fake keyboard</span> -<span id="L39" class="LineNr">39 </span><span class="Constant">$read-key:end</span>: -<span id="L40" class="LineNr">40 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L41" class="LineNr">41 </span> 59/pop-to-ecx -<span id="L42" class="LineNr">42 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L43" class="LineNr">43 </span> 89/<- %esp 5/r32/ebp -<span id="L44" class="LineNr">44 </span> 5d/pop-to-ebp -<span id="L45" class="LineNr">45 </span> c3/return +<span id="L3" class="LineNr"> 3 </span><span class="subxComment">#</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># We need to do this in machine code because Mu doesn't have global variables</span> +<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># yet (for the keyboard buffer).</span> +<span id="L6" class="LineNr"> 6 </span> +<span id="L7" class="LineNr"> 7 </span>== code +<span id="L8" class="LineNr"> 8 </span> +<span id="L9" class="LineNr"> 9 </span><span class="subxFunction">read-key</span>: <span class="subxComment"># kbd: (addr keyboard) -> result/eax: byte</span> +<span id="L10" class="LineNr">10 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L11" class="LineNr">11 </span> 55/push-ebp +<span id="L12" class="LineNr">12 </span> 89/<- %ebp 4/r32/esp +<span id="L13" class="LineNr">13 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L14" class="LineNr">14 </span> 51/push-ecx +<span id="L15" class="LineNr">15 </span> <span class="subxComment"># result = 0</span> +<span id="L16" class="LineNr">16 </span> b8/copy-to-eax 0/imm32 +<span id="L17" class="LineNr">17 </span> <span class="subxComment"># ecx = keyboard</span> +<span id="L18" class="LineNr">18 </span> 8b/-> *(ebp+8) 1/r32/ecx +<span id="L19" class="LineNr">19 </span> 81 7/subop/compare %ecx 0/imm32 +<span id="L20" class="LineNr">20 </span> { +<span id="L21" class="LineNr">21 </span> 75/jump-if-!= <span class="Constant">break</span>/disp8 +<span id="L22" class="LineNr">22 </span> <span class="subxComment"># var read/ecx: byte = keyboard buffer's read index</span> +<span id="L23" class="LineNr">23 </span> 8b/-> *0x7dcc 1/r32/CL <span class="subxComment"># keyboard-buffer-read</span> +<span id="L24" class="LineNr">24 </span> <span class="subxComment"># var next-key/eax: byte = *(keyboard buffer + ecx)</span> +<span id="L25" class="LineNr">25 </span> 8a/byte-> *(ecx+0x7dd0) 0/r32/AL <span class="subxComment"># keyboard-buffer-data</span> +<span id="L26" class="LineNr">26 </span> <span class="subxComment"># if (next-key != 0) lock and remove from keyboard-buffer</span> +<span id="L27" class="LineNr">27 </span> 81 7/subop/compare %eax 0/imm32 +<span id="L28" class="LineNr">28 </span> { +<span id="L29" class="LineNr">29 </span> 74/jump-if-= <span class="Constant">break</span>/disp8 +<span id="L30" class="LineNr">30 </span> <span class="subxComment"># TODO: add some instructions in this block to SubX if we ever want to</span> +<span id="L31" class="LineNr">31 </span> <span class="subxComment"># use bootstrap on baremetal programs</span> +<span id="L32" class="LineNr">32 </span> fa/disable-interrupts +<span id="L33" class="LineNr">33 </span> c6 0/subop/copy-byte *(ecx+0x7dd0) 0/imm8 +<span id="L34" class="LineNr">34 </span> ff 0/subop/increment *0x7dcc <span class="subxComment"># keyboard-buffer-read</span> +<span id="L35" class="LineNr">35 </span> 81 4/subop/and *0x7dcc 0xf/imm32 <span class="subxComment"># keyboard-buffer-read</span> +<span id="L36" class="LineNr">36 </span> fb/enable-interrupts +<span id="L37" class="LineNr">37 </span> } +<span id="L38" class="LineNr">38 </span> <span class="subxComment"># return</span> +<span id="L39" class="LineNr">39 </span> eb $read-key:end/disp8 +<span id="L40" class="LineNr">40 </span> } +<span id="L41" class="LineNr">41 </span> <span class="subxComment"># TODO: fake keyboard</span> +<span id="L42" class="LineNr">42 </span><span class="Constant">$read-key:end</span>: +<span id="L43" class="LineNr">43 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L44" class="LineNr">44 </span> 59/pop-to-ecx +<span id="L45" class="LineNr">45 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L46" class="LineNr">46 </span> 89/<- %esp 5/r32/ebp +<span id="L47" class="LineNr">47 </span> 5d/pop-to-ebp +<span id="L48" class="LineNr">48 </span> c3/return </pre> </body> </html> diff --git a/html/baremetal/103grapheme.subx.html b/html/baremetal/103grapheme.subx.html index 77e1d901..a674d515 100644 --- a/html/baremetal/103grapheme.subx.html +++ b/html/baremetal/103grapheme.subx.html @@ -55,121 +55,176 @@ if ('onhashchange' in window) { <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/baremetal/103grapheme.subx'>https://github.com/akkartik/mu/blob/main/baremetal/103grapheme.subx</a> <pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Use the built-in font to draw a grapheme to screen.</span> -<span id="L2" class="LineNr"> 2 </span> -<span id="L3" class="LineNr"> 3 </span>== code -<span id="L4" class="LineNr"> 4 </span> -<span id="L5" class="LineNr"> 5 </span><span class="subxFunction">draw-grapheme</span>: <span class="subxComment"># screen: (addr screen), g: grapheme, x: int, y: int, color: int</span> -<span id="L6" class="LineNr"> 6 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L7" class="LineNr"> 7 </span> 55/push-ebp -<span id="L8" class="LineNr"> 8 </span> 89/<- %ebp 4/r32/esp -<span id="L9" class="LineNr"> 9 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L10" class="LineNr"> 10 </span> 50/push-eax -<span id="L11" class="LineNr"> 11 </span> 51/push-ecx -<span id="L12" class="LineNr"> 12 </span> 52/push-edx -<span id="L13" class="LineNr"> 13 </span> 53/push-ebx -<span id="L14" class="LineNr"> 14 </span> 56/push-esi -<span id="L15" class="LineNr"> 15 </span> <span class="subxComment"># TODO: support fake screen; we currently assume 'screen' is always 0 (real)</span> -<span id="L16" class="LineNr"> 16 </span> <span class="subxComment"># var letter-bitmap/esi = font[g]</span> -<span id="L17" class="LineNr"> 17 </span> 8b/-> *(ebp+0xc) 6/r32/esi -<span id="L18" class="LineNr"> 18 </span> c1 4/subop/shift-left %esi 4/imm8 -<span id="L19" class="LineNr"> 19 </span> 8d/copy-address *(esi+0x8800) 6/r32/esi <span class="subxComment"># font-start</span> -<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># if (letter-bitmap >= 0x9000) return # characters beyond ASCII currently not supported</span> -<span id="L21" class="LineNr"> 21 </span> 81 7/subop/compare %esi 0x9000/imm32 -<span id="L22" class="LineNr"> 22 </span> 7d/jump-if->= $draw-grapheme:end/disp8 -<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># edx = y</span> -<span id="L24" class="LineNr"> 24 </span> 8b/-> *(ebp+0x14) 2/r32/edx -<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># var ymax/ebx: int = y + 16</span> -<span id="L26" class="LineNr"> 26 </span> 8b/-> *(ebp+0x14) 3/r32/ebx -<span id="L27" class="LineNr"> 27 </span> 81 0/subop/add %ebx 0x10/imm32 -<span id="L28" class="LineNr"> 28 </span> { -<span id="L29" class="LineNr"> 29 </span> <span class="subxComment"># if (y >= ymax) break</span> -<span id="L30" class="LineNr"> 30 </span> 39/compare %edx 3/r32/ebx -<span id="L31" class="LineNr"> 31 </span> 7d/jump-if->= <span class="Constant">break</span>/disp8 -<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># eax = x + 7</span> -<span id="L33" class="LineNr"> 33 </span> 8b/-> *(ebp+0x10) 0/r32/eax -<span id="L34" class="LineNr"> 34 </span> 81 0/subop/add %eax 7/imm32 -<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># var xmin/ecx: int = x</span> -<span id="L36" class="LineNr"> 36 </span> 8b/-> *(ebp+0x10) 1/r32/ecx -<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># var row-bitmap/ebx: int = *letter-bitmap</span> -<span id="L38" class="LineNr"> 38 </span> 53/push-ebx -<span id="L39" class="LineNr"> 39 </span> 8b/-> *esi 3/r32/ebx -<span id="L40" class="LineNr"> 40 </span> { -<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># if (x < xmin) break</span> -<span id="L42" class="LineNr"> 42 </span> 39/compare %eax 1/r32/ecx -<span id="L43" class="LineNr"> 43 </span> 7c/jump-if-< <span class="Constant">break</span>/disp8 -<span id="L44" class="LineNr"> 44 </span> <span class="subxComment"># shift LSB from row-bitmap into carry flag (CF)</span> -<span id="L45" class="LineNr"> 45 </span> c1 5/subop/shift-right-logical %ebx 1/imm8 -<span id="L46" class="LineNr"> 46 </span> <span class="subxComment"># if LSB, draw a pixel</span> -<span id="L47" class="LineNr"> 47 </span> { -<span id="L48" class="LineNr"> 48 </span> 73/jump-if-not-CF <span class="Constant">break</span>/disp8 -<span id="L49" class="LineNr"> 49 </span> (<a href='101screen.subx.html#L5'>pixel</a> *(ebp+8) %eax %edx *(ebp+0x18)) -<span id="L50" class="LineNr"> 50 </span> } -<span id="L51" class="LineNr"> 51 </span> <span class="subxComment"># --x</span> -<span id="L52" class="LineNr"> 52 </span> 48/decrement-eax -<span id="L53" class="LineNr"> 53 </span> <span class="subxComment">#</span> -<span id="L54" class="LineNr"> 54 </span> eb/jump <span class="Constant">loop</span>/disp8 -<span id="L55" class="LineNr"> 55 </span> } -<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># reclaim row-bitmap</span> -<span id="L57" class="LineNr"> 57 </span> 5b/pop-to-ebx -<span id="L58" class="LineNr"> 58 </span> <span class="subxComment"># ++y</span> -<span id="L59" class="LineNr"> 59 </span> 42/increment-edx -<span id="L60" class="LineNr"> 60 </span> <span class="subxComment"># next bitmap row</span> -<span id="L61" class="LineNr"> 61 </span> 46/increment-esi -<span id="L62" class="LineNr"> 62 </span> <span class="subxComment">#</span> -<span id="L63" class="LineNr"> 63 </span> eb/jump <span class="Constant">loop</span>/disp8 -<span id="L64" class="LineNr"> 64 </span> } -<span id="L65" class="LineNr"> 65 </span><span class="Constant">$draw-grapheme:end</span>: -<span id="L66" class="LineNr"> 66 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L67" class="LineNr"> 67 </span> 5e/pop-to-esi -<span id="L68" class="LineNr"> 68 </span> 5b/pop-to-ebx -<span id="L69" class="LineNr"> 69 </span> 5a/pop-to-edx -<span id="L70" class="LineNr"> 70 </span> 59/pop-to-ecx -<span id="L71" class="LineNr"> 71 </span> 58/pop-to-eax -<span id="L72" class="LineNr"> 72 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L73" class="LineNr"> 73 </span> 89/<- %esp 5/r32/ebp -<span id="L74" class="LineNr"> 74 </span> 5d/pop-to-ebp -<span id="L75" class="LineNr"> 75 </span> c3/return -<span id="L76" class="LineNr"> 76 </span> -<span id="L77" class="LineNr"> 77 </span><span class="subxFunction">cursor-position</span>: <span class="subxComment"># screen: (addr screen) -> _/eax: int, _/ecx: int</span> -<span id="L78" class="LineNr"> 78 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L79" class="LineNr"> 79 </span> 55/push-ebp -<span id="L80" class="LineNr"> 80 </span> 89/<- %ebp 4/r32/esp -<span id="L81" class="LineNr"> 81 </span> <span class="subxComment"># TODO: support fake screen; we currently assume 'screen' is always 0 (real)</span> -<span id="L82" class="LineNr"> 82 </span> 8b/-> *<span class="SpecialChar"><a href='103grapheme.subx.html#L111'>Default-next-x</a></span> 0/r32/eax -<span id="L83" class="LineNr"> 83 </span> 8b/-> *<span class="SpecialChar"><a href='103grapheme.subx.html#L114'>Default-next-y</a></span> 1/r32/ecx -<span id="L84" class="LineNr"> 84 </span><span class="Constant">$cursor-position:end</span>: -<span id="L85" class="LineNr"> 85 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L86" class="LineNr"> 86 </span> 89/<- %esp 5/r32/ebp -<span id="L87" class="LineNr"> 87 </span> 5d/pop-to-ebp -<span id="L88" class="LineNr"> 88 </span> c3/return -<span id="L89" class="LineNr"> 89 </span> -<span id="L90" class="LineNr"> 90 </span><span class="subxFunction">set-cursor-position</span>: <span class="subxComment"># screen: (addr screen), x: int, y: int</span> -<span id="L91" class="LineNr"> 91 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L92" class="LineNr"> 92 </span> 55/push-ebp -<span id="L93" class="LineNr"> 93 </span> 89/<- %ebp 4/r32/esp -<span id="L94" class="LineNr"> 94 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L95" class="LineNr"> 95 </span> 50/push-eax -<span id="L96" class="LineNr"> 96 </span> <span class="subxComment"># TODO: support fake screen; we currently assume 'screen' is always 0 (real)</span> -<span id="L97" class="LineNr"> 97 </span> 8b/-> *(ebp+0xc) 0/r32/eax -<span id="L98" class="LineNr"> 98 </span> 89/<- *<span class="SpecialChar"><a href='103grapheme.subx.html#L111'>Default-next-x</a></span> 0/r32/eax -<span id="L99" class="LineNr"> 99 </span> 8b/-> *(ebp+0x10) 0/r32/eax -<span id="L100" class="LineNr">100 </span> 89/<- *<span class="SpecialChar"><a href='103grapheme.subx.html#L114'>Default-next-y</a></span> 0/r32/eax -<span id="L101" class="LineNr">101 </span><span class="Constant">$set-cursor-position:end</span>: -<span id="L102" class="LineNr">102 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L103" class="LineNr">103 </span> 58/pop-to-eax -<span id="L104" class="LineNr">104 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L105" class="LineNr">105 </span> 89/<- %esp 5/r32/ebp -<span id="L106" class="LineNr">106 </span> 5d/pop-to-ebp -<span id="L107" class="LineNr">107 </span> c3/return -<span id="L108" class="LineNr">108 </span> -<span id="L109" class="LineNr">109 </span>== data -<span id="L110" class="LineNr">110 </span> -<span id="L111" class="LineNr">111 </span><span class="SpecialChar">Default-next-x</span>: -<span id="L112" class="LineNr">112 </span> 0/imm32 -<span id="L113" class="LineNr">113 </span> -<span id="L114" class="LineNr">114 </span><span class="SpecialChar">Default-next-y</span>: -<span id="L115" class="LineNr">115 </span> 0/imm32 +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Use the built-in font to draw a grapheme to real screen.</span> +<span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span> +<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># We need to do this in machine code because Mu doesn't have global variables</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># yet (for the start of video memory).</span> +<span id="L5" class="LineNr"> 5 </span><span class="subxComment">#</span> +<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># There are uncomfortable assumptions baked in here about english/latin</span> +<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># script. We convert the grid of pixels into a fixed-width grid of graphemes,</span> +<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># which may not work well with other language families.</span> +<span id="L9" class="LineNr"> 9 </span> +<span id="L10" class="LineNr"> 10 </span>== code +<span id="L11" class="LineNr"> 11 </span> +<span id="L12" class="LineNr"> 12 </span><span class="subxComment"># The Mu computer's screen is 1024px wide and 768px tall.</span> +<span id="L13" class="LineNr"> 13 </span><span class="subxComment"># The Mu computer's font is 8px wide and 16px tall.</span> +<span id="L14" class="LineNr"> 14 </span><span class="subxComment"># Therefore 'x' here is in [0, 128), and 'y' is in [0, 48)</span> +<span id="L15" class="LineNr"> 15 </span><span class="subxFunction">draw-grapheme-on-real-screen</span>: <span class="subxComment"># g: grapheme, x: int, y: int, color: int, background-color: int</span> +<span id="L16" class="LineNr"> 16 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L17" class="LineNr"> 17 </span> 55/push-ebp +<span id="L18" class="LineNr"> 18 </span> 89/<- %ebp 4/r32/esp +<span id="L19" class="LineNr"> 19 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L20" class="LineNr"> 20 </span> 50/push-eax +<span id="L21" class="LineNr"> 21 </span> 51/push-ecx +<span id="L22" class="LineNr"> 22 </span> 52/push-edx +<span id="L23" class="LineNr"> 23 </span> 53/push-ebx +<span id="L24" class="LineNr"> 24 </span> 56/push-esi +<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># var letter-bitmap/esi = font[g]</span> +<span id="L26" class="LineNr"> 26 </span> 8b/-> *(ebp+8) 6/r32/esi +<span id="L27" class="LineNr"> 27 </span> c1 4/subop/shift-left %esi 4/imm8 +<span id="L28" class="LineNr"> 28 </span> 8d/copy-address *(esi+0x8800) 6/r32/esi <span class="subxComment"># font-start</span> +<span id="L29" class="LineNr"> 29 </span> <span class="subxComment"># if (letter-bitmap >= 0x9000) return # characters beyond ASCII currently not supported</span> +<span id="L30" class="LineNr"> 30 </span> 81 7/subop/compare %esi 0x9000/imm32 +<span id="L31" class="LineNr"> 31 </span> 7d/jump-if->= $draw-grapheme-on-real-screen:end/disp8 +<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># var ycurr/edx: int = y*16</span> +<span id="L33" class="LineNr"> 33 </span> 8b/-> *(ebp+0x10) 2/r32/edx +<span id="L34" class="LineNr"> 34 </span> c1 4/subop/shift-left %edx 4/imm8 +<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># var ymax/ebx: int = ycurr + 16</span> +<span id="L36" class="LineNr"> 36 </span> 8b/-> *(ebp+0x10) 3/r32/ebx +<span id="L37" class="LineNr"> 37 </span> c1 4/subop/shift-left %ebx 4/imm8 +<span id="L38" class="LineNr"> 38 </span> 81 0/subop/add %ebx 0x10/imm32 +<span id="L39" class="LineNr"> 39 </span> { +<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># if (ycurr >= ymax) break</span> +<span id="L41" class="LineNr"> 41 </span> 39/compare %edx 3/r32/ebx +<span id="L42" class="LineNr"> 42 </span> 7d/jump-if->= <span class="Constant">break</span>/disp8 +<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># var xcurr/eax: int = x*8 + 7</span> +<span id="L44" class="LineNr"> 44 </span> 8b/-> *(ebp+0xc) 0/r32/eax <span class="subxComment"># font-width - 1</span> +<span id="L45" class="LineNr"> 45 </span> c1 4/subop/shift-left %eax 3/imm8 +<span id="L46" class="LineNr"> 46 </span> 81 0/subop/add %eax 7/imm32 +<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># var xmin/ecx: int = x*8</span> +<span id="L48" class="LineNr"> 48 </span> 8b/-> *(ebp+0xc) 1/r32/ecx +<span id="L49" class="LineNr"> 49 </span> c1 4/subop/shift-left %ecx 3/imm8 +<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># var row-bitmap/ebx: int = *letter-bitmap</span> +<span id="L51" class="LineNr"> 51 </span> 53/push-ebx +<span id="L52" class="LineNr"> 52 </span> 8b/-> *esi 3/r32/ebx +<span id="L53" class="LineNr"> 53 </span> { +<span id="L54" class="LineNr"> 54 </span> <span class="subxComment"># if (xcurr < xmin) break</span> +<span id="L55" class="LineNr"> 55 </span> 39/compare %eax 1/r32/ecx +<span id="L56" class="LineNr"> 56 </span> 7c/jump-if-< <span class="Constant">break</span>/disp8 +<span id="L57" class="LineNr"> 57 </span> <span class="subxComment"># shift LSB from row-bitmap into carry flag (CF)</span> +<span id="L58" class="LineNr"> 58 </span> c1 5/subop/shift-right-logical %ebx 1/imm8 +<span id="L59" class="LineNr"> 59 </span> <span class="subxComment"># if LSB, draw a pixel in the given color</span> +<span id="L60" class="LineNr"> 60 </span> { +<span id="L61" class="LineNr"> 61 </span> 73/jump-if-not-CF <span class="Constant">break</span>/disp8 +<span id="L62" class="LineNr"> 62 </span> (<a href='101screen.subx.html#L8'>pixel-on-real-screen</a> %eax %edx *(ebp+0x14)) +<span id="L63" class="LineNr"> 63 </span> eb/jump $draw-grapheme-on-real-screen:continue/disp8 +<span id="L64" class="LineNr"> 64 </span> } +<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># otherwise use the background color</span> +<span id="L66" class="LineNr"> 66 </span> (<a href='101screen.subx.html#L8'>pixel-on-real-screen</a> %eax %edx *(ebp+0x18)) +<span id="L67" class="LineNr"> 67 </span><span class="Constant">$draw-grapheme-on-real-screen:continue</span>: +<span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># --x</span> +<span id="L69" class="LineNr"> 69 </span> 48/decrement-eax +<span id="L70" class="LineNr"> 70 </span> <span class="subxComment">#</span> +<span id="L71" class="LineNr"> 71 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L72" class="LineNr"> 72 </span> } +<span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># reclaim row-bitmap</span> +<span id="L74" class="LineNr"> 74 </span> 5b/pop-to-ebx +<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># ++y</span> +<span id="L76" class="LineNr"> 76 </span> 42/increment-edx +<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># next bitmap row</span> +<span id="L78" class="LineNr"> 78 </span> 46/increment-esi +<span id="L79" class="LineNr"> 79 </span> <span class="subxComment">#</span> +<span id="L80" class="LineNr"> 80 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L81" class="LineNr"> 81 </span> } +<span id="L82" class="LineNr"> 82 </span><span class="Constant">$draw-grapheme-on-real-screen:end</span>: +<span id="L83" class="LineNr"> 83 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L84" class="LineNr"> 84 </span> 5e/pop-to-esi +<span id="L85" class="LineNr"> 85 </span> 5b/pop-to-ebx +<span id="L86" class="LineNr"> 86 </span> 5a/pop-to-edx +<span id="L87" class="LineNr"> 87 </span> 59/pop-to-ecx +<span id="L88" class="LineNr"> 88 </span> 58/pop-to-eax +<span id="L89" class="LineNr"> 89 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L90" class="LineNr"> 90 </span> 89/<- %esp 5/r32/ebp +<span id="L91" class="LineNr"> 91 </span> 5d/pop-to-ebp +<span id="L92" class="LineNr"> 92 </span> c3/return +<span id="L93" class="LineNr"> 93 </span> +<span id="L94" class="LineNr"> 94 </span><span class="subxFunction">cursor-position-on-real-screen</span>: <span class="subxComment"># -> _/eax: int, _/ecx: int</span> +<span id="L95" class="LineNr"> 95 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L96" class="LineNr"> 96 </span> 55/push-ebp +<span id="L97" class="LineNr"> 97 </span> 89/<- %ebp 4/r32/esp +<span id="L98" class="LineNr"> 98 </span> <span class="subxComment"># TODO: support fake screen; we currently assume 'screen' is always 0 (real)</span> +<span id="L99" class="LineNr"> 99 </span> 8b/-> *<span class="SpecialChar"><a href='103grapheme.subx.html#L167'>Real-screen-cursor-x</a></span> 0/r32/eax +<span id="L100" class="LineNr">100 </span> 8b/-> *<span class="SpecialChar"><a href='103grapheme.subx.html#L169'>Real-screen-cursor-y</a></span> 1/r32/ecx +<span id="L101" class="LineNr">101 </span><span class="Constant">$cursor-position-on-real-screen:end</span>: +<span id="L102" class="LineNr">102 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L103" class="LineNr">103 </span> 89/<- %esp 5/r32/ebp +<span id="L104" class="LineNr">104 </span> 5d/pop-to-ebp +<span id="L105" class="LineNr">105 </span> c3/return +<span id="L106" class="LineNr">106 </span> +<span id="L107" class="LineNr">107 </span><span class="subxFunction">set-cursor-position-on-real-screen</span>: <span class="subxComment"># x: int, y: int</span> +<span id="L108" class="LineNr">108 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L109" class="LineNr">109 </span> 55/push-ebp +<span id="L110" class="LineNr">110 </span> 89/<- %ebp 4/r32/esp +<span id="L111" class="LineNr">111 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L112" class="LineNr">112 </span> 50/push-eax +<span id="L113" class="LineNr">113 </span> <span class="subxComment">#</span> +<span id="L114" class="LineNr">114 </span> 8b/-> *(ebp+8) 0/r32/eax +<span id="L115" class="LineNr">115 </span> 89/<- *<span class="SpecialChar"><a href='103grapheme.subx.html#L167'>Real-screen-cursor-x</a></span> 0/r32/eax +<span id="L116" class="LineNr">116 </span> 8b/-> *(ebp+0xc) 0/r32/eax +<span id="L117" class="LineNr">117 </span> 89/<- *<span class="SpecialChar"><a href='103grapheme.subx.html#L169'>Real-screen-cursor-y</a></span> 0/r32/eax +<span id="L118" class="LineNr">118 </span><span class="Constant">$set-cursor-position-on-real-screen:end</span>: +<span id="L119" class="LineNr">119 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L120" class="LineNr">120 </span> 58/pop-to-eax +<span id="L121" class="LineNr">121 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L122" class="LineNr">122 </span> 89/<- %esp 5/r32/ebp +<span id="L123" class="LineNr">123 </span> 5d/pop-to-ebp +<span id="L124" class="LineNr">124 </span> c3/return +<span id="L125" class="LineNr">125 </span> +<span id="L126" class="LineNr">126 </span><span class="subxComment"># Draw cursor at current location. But this is rickety:</span> +<span id="L127" class="LineNr">127 </span><span class="subxComment"># - does not clear previous location cursor was shown at.</span> +<span id="L128" class="LineNr">128 </span><span class="subxComment"># - does not preserve what was at the cursor. Caller is responsible for</span> +<span id="L129" class="LineNr">129 </span><span class="subxComment"># tracking what was on the screen at this position before and passing it</span> +<span id="L130" class="LineNr">130 </span><span class="subxComment"># in again.</span> +<span id="L131" class="LineNr">131 </span><span class="subxFunction">show-cursor-on-real-screen</span>: <span class="subxComment"># g: grapheme</span> +<span id="L132" class="LineNr">132 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L133" class="LineNr">133 </span> 55/push-ebp +<span id="L134" class="LineNr">134 </span> 89/<- %ebp 4/r32/esp +<span id="L135" class="LineNr">135 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L136" class="LineNr">136 </span> 50/push-eax +<span id="L137" class="LineNr">137 </span> 51/push-ecx +<span id="L138" class="LineNr">138 </span> <span class="subxComment">#</span> +<span id="L139" class="LineNr">139 </span> (<a href='103grapheme.subx.html#L94'>cursor-position-on-real-screen</a>) <span class="subxComment"># => eax, ecx</span> +<span id="L140" class="LineNr">140 </span> (<a href='103grapheme.subx.html#L15'>draw-grapheme-on-real-screen</a> *(ebp+8) %eax %ecx 0 7) +<span id="L141" class="LineNr">141 </span><span class="Constant">$show-cursor-on-real-screen:end</span>: +<span id="L142" class="LineNr">142 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L143" class="LineNr">143 </span> 59/pop-to-ecx +<span id="L144" class="LineNr">144 </span> 58/pop-to-eax +<span id="L145" class="LineNr">145 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L146" class="LineNr">146 </span> 89/<- %esp 5/r32/ebp +<span id="L147" class="LineNr">147 </span> 5d/pop-to-ebp +<span id="L148" class="LineNr">148 </span> c3/return +<span id="L149" class="LineNr">149 </span> +<span id="L150" class="LineNr">150 </span>== data +<span id="L151" class="LineNr">151 </span> +<span id="L152" class="LineNr">152 </span><span class="subxComment"># The cursor is where certain Mu functions (usually of the form</span> +<span id="L153" class="LineNr">153 </span><span class="subxComment"># 'draw*cursor*') print to by default.</span> +<span id="L154" class="LineNr">154 </span><span class="subxComment">#</span> +<span id="L155" class="LineNr">155 </span><span class="subxComment"># We don't bother displaying the cursor when drawing. It only becomes visible</span> +<span id="L156" class="LineNr">156 </span><span class="subxComment"># on show-cursor, which is quite rickety (see above)</span> +<span id="L157" class="LineNr">157 </span><span class="subxComment">#</span> +<span id="L158" class="LineNr">158 </span><span class="subxComment"># It's up to applications to manage cursor display:</span> +<span id="L159" class="LineNr">159 </span><span class="subxComment"># - clean up where it used to be</span> +<span id="L160" class="LineNr">160 </span><span class="subxComment"># - display the cursor before waiting for a key</span> +<span id="L161" class="LineNr">161 </span><span class="subxComment"># - ensure its location appropriately suggests the effect keystrokes will have</span> +<span id="L162" class="LineNr">162 </span><span class="subxComment"># - ensure its contents (and colors) appropriately reflect the state of the</span> +<span id="L163" class="LineNr">163 </span><span class="subxComment"># screen</span> +<span id="L164" class="LineNr">164 </span><span class="subxComment">#</span> +<span id="L165" class="LineNr">165 </span><span class="subxComment"># There's no blinking, etc. We aren't using any hardware-supported text mode</span> +<span id="L166" class="LineNr">166 </span><span class="subxComment"># here.</span> +<span id="L167" class="LineNr">167 </span><span class="SpecialChar">Real-screen-cursor-x</span>: +<span id="L168" class="LineNr">168 </span> 0/imm32 +<span id="L169" class="LineNr">169 </span><span class="SpecialChar">Real-screen-cursor-y</span>: +<span id="L170" class="LineNr">170 </span> 0/imm32 </pre> </body> </html> diff --git a/html/baremetal/105string-equal.subx.html b/html/baremetal/105string-equal.subx.html new file mode 100644 index 00000000..abef3a11 --- /dev/null +++ b/html/baremetal/105string-equal.subx.html @@ -0,0 +1,320 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - baremetal/105string-equal.subx</title> +<meta name="Generator" content="Vim/8.1"> +<meta name="plugin-version" content="vim8.1_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="number_lines,use_css,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.subxH1Comment { color: #005faf; text-decoration: underline; } +.subxComment { color: #005faf; } +.subxS1Comment { color: #0000af; } +.subxS2Comment { color: #8a8a8a; } +.LineNr { } +.Constant { color: #008787; } +.subxTest { color: #5f8700; } +.subxFunction { color: #af5f00; text-decoration: underline; } +.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } +--> +</style> + +<script type='text/javascript'> +<!-- + +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + var lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + +--> +</script> +</head> +<body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/main/baremetal/105string-equal.subx'>https://github.com/akkartik/mu/blob/main/baremetal/105string-equal.subx</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Comparing 'regular' size-prefixed strings.</span> +<span id="L2" class="LineNr"> 2 </span> +<span id="L3" class="LineNr"> 3 </span>== code +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># instruction effective address register displacement immediate</span> +<span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> +<span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L7" class="LineNr"> 7 </span> +<span id="L8" class="LineNr"> 8 </span><span class="subxFunction">string-equal?</span>: <span class="subxComment"># s: (addr array byte), benchmark: (addr array byte) -> result/eax: boolean</span> +<span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># pseudocode:</span> +<span id="L10" class="LineNr"> 10 </span> <span class="subxComment"># if (s->size != benchmark->size) return false</span> +<span id="L11" class="LineNr"> 11 </span> <span class="subxComment"># return string-starts-with?(s, benchmark)</span> +<span id="L12" class="LineNr"> 12 </span> <span class="subxComment">#</span> +<span id="L13" class="LineNr"> 13 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L14" class="LineNr"> 14 </span> 55/push-ebp +<span id="L15" class="LineNr"> 15 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L16" class="LineNr"> 16 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L17" class="LineNr"> 17 </span> 51/push-ecx +<span id="L18" class="LineNr"> 18 </span> 56/push-esi +<span id="L19" class="LineNr"> 19 </span> 57/push-edi +<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># esi = s</span> +<span id="L21" class="LineNr"> 21 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># edi = benchmark</span> +<span id="L23" class="LineNr"> 23 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edi</span> +<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># ecx = s->size</span> +<span id="L25" class="LineNr"> 25 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ecx</span> +<span id="L26" class="LineNr"> 26 </span><span class="Constant">$string-equal?:sizes</span>: +<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># if (ecx != benchmark->size) return false</span> +<span id="L28" class="LineNr"> 28 </span> 39/compare 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *edi and ecx</span> +<span id="L29" class="LineNr"> 29 </span> b8/copy-to-eax 0/imm32/false +<span id="L30" class="LineNr"> 30 </span> 75/jump-if-!= $string-equal?:end/disp8 +<span id="L31" class="LineNr"> 31 </span><span class="Constant">$string-equal?:contents</span>: +<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># string-starts-with?(s, benchmark)</span> +<span id="L33" class="LineNr"> 33 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L34" class="LineNr"> 34 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> +<span id="L35" class="LineNr"> 35 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L36" class="LineNr"> 36 </span> <span class="subxS2Comment"># . . call</span> +<span id="L37" class="LineNr"> 37 </span> e8/call <a href='105string-equal.subx.html#L50'>string-starts-with?</a>/disp32 +<span id="L38" class="LineNr"> 38 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L39" class="LineNr"> 39 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L40" class="LineNr"> 40 </span><span class="Constant">$string-equal?:end</span>: +<span id="L41" class="LineNr"> 41 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L42" class="LineNr"> 42 </span> 5f/pop-to-edi +<span id="L43" class="LineNr"> 43 </span> 5e/pop-to-esi +<span id="L44" class="LineNr"> 44 </span> 59/pop-to-ecx +<span id="L45" class="LineNr"> 45 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L46" class="LineNr"> 46 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L47" class="LineNr"> 47 </span> 5d/pop-to-ebp +<span id="L48" class="LineNr"> 48 </span> c3/return +<span id="L49" class="LineNr"> 49 </span> +<span id="L50" class="LineNr"> 50 </span><span class="subxFunction">string-starts-with?</span>: <span class="subxComment"># s: (addr array byte), benchmark: (addr array byte) -> result/eax: boolean</span> +<span id="L51" class="LineNr"> 51 </span> <span class="subxComment"># pseudocode:</span> +<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># if (s->size < benchmark->size) return false</span> +<span id="L53" class="LineNr"> 53 </span> <span class="subxComment"># currs = s->data</span> +<span id="L54" class="LineNr"> 54 </span> <span class="subxComment"># currb = benchmark->data</span> +<span id="L55" class="LineNr"> 55 </span> <span class="subxComment"># maxb = &benchmark->data[benchmark->size]</span> +<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># while currb < maxb</span> +<span id="L57" class="LineNr"> 57 </span> <span class="subxComment"># c1 = *currs</span> +<span id="L58" class="LineNr"> 58 </span> <span class="subxComment"># c2 = *currb</span> +<span id="L59" class="LineNr"> 59 </span> <span class="subxComment"># if (c1 != c2) return false</span> +<span id="L60" class="LineNr"> 60 </span> <span class="subxComment"># ++currs, ++currb</span> +<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># return true</span> +<span id="L62" class="LineNr"> 62 </span> <span class="subxComment">#</span> +<span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># registers:</span> +<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># currs: esi</span> +<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># maxs: ecx</span> +<span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># currb: edi</span> +<span id="L67" class="LineNr"> 67 </span> <span class="subxComment"># c1: eax</span> +<span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># c2: ebx</span> +<span id="L69" class="LineNr"> 69 </span> <span class="subxComment">#</span> +<span id="L70" class="LineNr"> 70 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L71" class="LineNr"> 71 </span> 55/push-ebp +<span id="L72" class="LineNr"> 72 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L73" class="LineNr"> 73 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L74" class="LineNr"> 74 </span> 51/push-ecx +<span id="L75" class="LineNr"> 75 </span> 52/push-edx +<span id="L76" class="LineNr"> 76 </span> 56/push-esi +<span id="L77" class="LineNr"> 77 </span> 57/push-edi +<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># esi = s</span> +<span id="L79" class="LineNr"> 79 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L80" class="LineNr"> 80 </span> <span class="subxComment"># edi = benchmark</span> +<span id="L81" class="LineNr"> 81 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edi</span> +<span id="L82" class="LineNr"> 82 </span> <span class="subxComment"># var bsize/ecx: int = benchmark->size</span> +<span id="L83" class="LineNr"> 83 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to ecx</span> +<span id="L84" class="LineNr"> 84 </span><span class="Constant">$string-starts-with?:sizes</span>: +<span id="L85" class="LineNr"> 85 </span> <span class="subxComment"># if (s->size < bsize) return false</span> +<span id="L86" class="LineNr"> 86 </span> 39/compare 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *esi with ecx</span> +<span id="L87" class="LineNr"> 87 </span> 7c/jump-if-< $string-starts-with?:false/disp8 +<span id="L88" class="LineNr"> 88 </span> <span class="subxComment"># var currs/esi: (addr byte) = s->data</span> +<span id="L89" class="LineNr"> 89 </span> 81 0/subop/add 3/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esi</span> +<span id="L90" class="LineNr"> 90 </span> <span class="subxComment"># var currb/edi: (addr byte) = benchmark->data</span> +<span id="L91" class="LineNr"> 91 </span> 81 0/subop/add 3/mod/direct 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to edi</span> +<span id="L92" class="LineNr"> 92 </span> <span class="subxComment"># var maxb/ecx: (addr byte) = &benchmark->data[benchmark->size]</span> +<span id="L93" class="LineNr"> 93 </span> 01/add 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add edi to ecx</span> +<span id="L94" class="LineNr"> 94 </span> <span class="subxComment"># var c1/eax: byte = 0</span> +<span id="L95" class="LineNr"> 95 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L96" class="LineNr"> 96 </span> <span class="subxComment"># var c2/edx: byte = 0</span> +<span id="L97" class="LineNr"> 97 </span> 31/xor 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear edx</span> +<span id="L98" class="LineNr"> 98 </span><span class="Constant">$string-starts-with?:loop</span>: +<span id="L99" class="LineNr"> 99 </span> <span class="subxComment"># if (currs >= maxs) return true</span> +<span id="L100" class="LineNr">100 </span> 39/compare 3/mod/direct 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare edi with ecx</span> +<span id="L101" class="LineNr">101 </span> 73/jump-if-addr>= $string-starts-with?:true/disp8 +<span id="L102" class="LineNr">102 </span> <span class="subxComment"># c1 = *currs</span> +<span id="L103" class="LineNr">103 </span> 8a/copy-byte 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *esi to AL</span> +<span id="L104" class="LineNr">104 </span> <span class="subxComment"># c2 = *currb</span> +<span id="L105" class="LineNr">105 </span> 8a/copy-byte 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/DL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *edi to DL</span> +<span id="L106" class="LineNr">106 </span> <span class="subxComment"># if (c1 != c2) return false</span> +<span id="L107" class="LineNr">107 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax and edx</span> +<span id="L108" class="LineNr">108 </span> 75/jump-if-!= $string-starts-with?:false/disp8 +<span id="L109" class="LineNr">109 </span> <span class="subxComment"># ++currs</span> +<span id="L110" class="LineNr">110 </span> 46/increment-esi +<span id="L111" class="LineNr">111 </span> <span class="subxComment"># ++currb</span> +<span id="L112" class="LineNr">112 </span> 47/increment-edi +<span id="L113" class="LineNr">113 </span> eb/jump $string-starts-with?:<span class="Constant">loop</span>/disp8 +<span id="L114" class="LineNr">114 </span><span class="Constant">$string-starts-with?:true</span>: +<span id="L115" class="LineNr">115 </span> b8/copy-to-eax 1/imm32 +<span id="L116" class="LineNr">116 </span> eb/jump $string-starts-with?:end/disp8 +<span id="L117" class="LineNr">117 </span><span class="Constant">$string-starts-with?:false</span>: +<span id="L118" class="LineNr">118 </span> b8/copy-to-eax 0/imm32 +<span id="L119" class="LineNr">119 </span><span class="Constant">$string-starts-with?:end</span>: +<span id="L120" class="LineNr">120 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L121" class="LineNr">121 </span> 5f/pop-to-edi +<span id="L122" class="LineNr">122 </span> 5e/pop-to-esi +<span id="L123" class="LineNr">123 </span> 5a/pop-to-edx +<span id="L124" class="LineNr">124 </span> 59/pop-to-ecx +<span id="L125" class="LineNr">125 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L126" class="LineNr">126 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L127" class="LineNr">127 </span> 5d/pop-to-ebp +<span id="L128" class="LineNr">128 </span> c3/return +<span id="L129" class="LineNr">129 </span> +<span id="L130" class="LineNr">130 </span><span class="subxH1Comment"># - tests</span> +<span id="L131" class="LineNr">131 </span> +<span id="L132" class="LineNr">132 </span><span class="subxTest">test-compare-empty-with-empty-string</span>: +<span id="L133" class="LineNr">133 </span> <span class="subxComment"># eax = string-equal?("", "")</span> +<span id="L134" class="LineNr">134 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L135" class="LineNr">135 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L136" class="LineNr">136 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . call</span> +<span id="L138" class="LineNr">138 </span> e8/call <a href='105string-equal.subx.html#L8'>string-equal?</a>/disp32 +<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L140" class="LineNr">140 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L141" class="LineNr">141 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L142" class="LineNr">142 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L143" class="LineNr">143 </span> 68/push <span class="Constant">"F - test-compare-empty-with-empty-string"</span>/imm32 +<span id="L144" class="LineNr">144 </span> 68/push 1/imm32/true +<span id="L145" class="LineNr">145 </span> 50/push-eax +<span id="L146" class="LineNr">146 </span> <span class="subxS2Comment"># . . call</span> +<span id="L147" class="LineNr">147 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L148" class="LineNr">148 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L149" class="LineNr">149 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L150" class="LineNr">150 </span> c3/return +<span id="L151" class="LineNr">151 </span> +<span id="L152" class="LineNr">152 </span><span class="subxTest">test-compare-empty-with-non-empty-string</span>: <span class="subxComment"># also checks size-mismatch code path</span> +<span id="L153" class="LineNr">153 </span> <span class="subxComment"># eax = string-equal?("", "Abc")</span> +<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L155" class="LineNr">155 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L156" class="LineNr">156 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . call</span> +<span id="L158" class="LineNr">158 </span> e8/call <a href='105string-equal.subx.html#L8'>string-equal?</a>/disp32 +<span id="L159" class="LineNr">159 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L160" class="LineNr">160 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L161" class="LineNr">161 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L162" class="LineNr">162 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L163" class="LineNr">163 </span> 68/push <span class="Constant">"F - test-compare-empty-with-non-empty-string"</span>/imm32 +<span id="L164" class="LineNr">164 </span> 68/push 0/imm32/false +<span id="L165" class="LineNr">165 </span> 50/push-eax +<span id="L166" class="LineNr">166 </span> <span class="subxS2Comment"># . . call</span> +<span id="L167" class="LineNr">167 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L168" class="LineNr">168 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L169" class="LineNr">169 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L170" class="LineNr">170 </span> c3/return +<span id="L171" class="LineNr">171 </span> +<span id="L172" class="LineNr">172 </span><span class="subxTest">test-compare-equal-strings</span>: +<span id="L173" class="LineNr">173 </span> <span class="subxComment"># eax = string-equal?("Abc", "Abc")</span> +<span id="L174" class="LineNr">174 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L175" class="LineNr">175 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L176" class="LineNr">176 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . call</span> +<span id="L178" class="LineNr">178 </span> e8/call <a href='105string-equal.subx.html#L8'>string-equal?</a>/disp32 +<span id="L179" class="LineNr">179 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L180" class="LineNr">180 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L181" class="LineNr">181 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L182" class="LineNr">182 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L183" class="LineNr">183 </span> 68/push <span class="Constant">"F - test-compare-equal-strings"</span>/imm32 +<span id="L184" class="LineNr">184 </span> 68/push 1/imm32/true +<span id="L185" class="LineNr">185 </span> 50/push-eax +<span id="L186" class="LineNr">186 </span> <span class="subxS2Comment"># . . call</span> +<span id="L187" class="LineNr">187 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L189" class="LineNr">189 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L190" class="LineNr">190 </span> c3/return +<span id="L191" class="LineNr">191 </span> +<span id="L192" class="LineNr">192 </span><span class="subxTest">test-compare-inequal-strings-equal-sizes</span>: +<span id="L193" class="LineNr">193 </span> <span class="subxComment"># eax = string-equal?("Abc", "Adc")</span> +<span id="L194" class="LineNr">194 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L195" class="LineNr">195 </span> 68/push <span class="Constant">"Adc"</span>/imm32 +<span id="L196" class="LineNr">196 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L197" class="LineNr">197 </span> <span class="subxS2Comment"># . . call</span> +<span id="L198" class="LineNr">198 </span> e8/call <a href='105string-equal.subx.html#L8'>string-equal?</a>/disp32 +<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L200" class="LineNr">200 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L201" class="LineNr">201 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L203" class="LineNr">203 </span> 68/push <span class="Constant">"F - test-compare-inequal-strings-equal-sizes"</span>/imm32 +<span id="L204" class="LineNr">204 </span> 68/push 0/imm32/false +<span id="L205" class="LineNr">205 </span> 50/push-eax +<span id="L206" class="LineNr">206 </span> <span class="subxS2Comment"># . . call</span> +<span id="L207" class="LineNr">207 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L208" class="LineNr">208 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L209" class="LineNr">209 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L210" class="LineNr">210 </span> c3/return +<span id="L211" class="LineNr">211 </span> +<span id="L212" class="LineNr">212 </span><span class="subxComment"># helper for later tests</span> +<span id="L213" class="LineNr">213 </span><span class="subxFunction">check-strings-equal</span>: <span class="subxComment"># s: (addr array byte), expected: (addr array byte), msg: (addr array byte)</span> +<span id="L214" class="LineNr">214 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L215" class="LineNr">215 </span> 55/push-ebp +<span id="L216" class="LineNr">216 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L217" class="LineNr">217 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L218" class="LineNr">218 </span> 50/push-eax +<span id="L219" class="LineNr">219 </span> <span class="subxComment"># var eax: boolean = string-equal?(s, expected)</span> +<span id="L220" class="LineNr">220 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L221" class="LineNr">221 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> +<span id="L222" class="LineNr">222 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L223" class="LineNr">223 </span> <span class="subxS2Comment"># . . call</span> +<span id="L224" class="LineNr">224 </span> e8/call <a href='105string-equal.subx.html#L8'>string-equal?</a>/disp32 +<span id="L225" class="LineNr">225 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L226" class="LineNr">226 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L227" class="LineNr">227 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L228" class="LineNr">228 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L229" class="LineNr">229 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+16)</span> +<span id="L230" class="LineNr">230 </span> 68/push 1/imm32 +<span id="L231" class="LineNr">231 </span> 50/push-eax +<span id="L232" class="LineNr">232 </span> <span class="subxS2Comment"># . . call</span> +<span id="L233" class="LineNr">233 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L234" class="LineNr">234 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L235" class="LineNr">235 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L236" class="LineNr">236 </span><span class="Constant">$check-strings-equal:end</span>: +<span id="L237" class="LineNr">237 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L238" class="LineNr">238 </span> 58/pop-to-eax +<span id="L239" class="LineNr">239 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L240" class="LineNr">240 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L241" class="LineNr">241 </span> 5d/pop-to-ebp +<span id="L242" class="LineNr">242 </span> c3/return +<span id="L243" class="LineNr">243 </span> +<span id="L244" class="LineNr">244 </span><span class="subxComment"># test the helper</span> +<span id="L245" class="LineNr">245 </span><span class="subxTest">test-check-strings-equal</span>: +<span id="L246" class="LineNr">246 </span> <span class="subxComment"># check-strings-equal("Abc", "Abc")</span> +<span id="L247" class="LineNr">247 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L248" class="LineNr">248 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L249" class="LineNr">249 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L250" class="LineNr">250 </span> <span class="subxS2Comment"># . . call</span> +<span id="L251" class="LineNr">251 </span> e8/call <a href='105string-equal.subx.html#L213'>check-strings-equal</a>/disp32 +<span id="L252" class="LineNr">252 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L253" class="LineNr">253 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L254" class="LineNr">254 </span> c3/return +<span id="L255" class="LineNr">255 </span> +<span id="L256" class="LineNr">256 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> diff --git a/html/baremetal/106stream.subx.html b/html/baremetal/106stream.subx.html index cbd859ea..3cc7493f 100644 --- a/html/baremetal/106stream.subx.html +++ b/html/baremetal/106stream.subx.html @@ -67,70 +67,73 @@ if ('onhashchange' in window) { <span id="L8" class="LineNr"> 8 </span><span class="subxComment"># some primitives for operating on streams:</span> <span id="L9" class="LineNr"> 9 </span><span class="subxComment"># - clear-stream (clears everything but the data size)</span> <span id="L10" class="LineNr">10 </span><span class="subxComment"># - rewind-stream (resets read pointer)</span> -<span id="L11" class="LineNr">11 </span> -<span id="L12" class="LineNr">12 </span>== code -<span id="L13" class="LineNr">13 </span><span class="subxComment"># instruction effective address register displacement immediate</span> -<span id="L14" class="LineNr">14 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> -<span id="L15" class="LineNr">15 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> -<span id="L16" class="LineNr">16 </span> -<span id="L17" class="LineNr">17 </span><span class="subxFunction">clear-stream</span>: <span class="subxComment"># f: (addr stream byte)</span> -<span id="L18" class="LineNr">18 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L19" class="LineNr">19 </span> 55/push-ebp -<span id="L20" class="LineNr">20 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> -<span id="L21" class="LineNr">21 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L22" class="LineNr">22 </span> 50/push-eax -<span id="L23" class="LineNr">23 </span> 51/push-ecx -<span id="L24" class="LineNr">24 </span> <span class="subxComment"># eax = f</span> -<span id="L25" class="LineNr">25 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span> -<span id="L26" class="LineNr">26 </span> <span class="subxComment"># var count/ecx: int = f->size</span> -<span id="L27" class="LineNr">27 </span> 8b/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(eax+8) to ecx</span> -<span id="L28" class="LineNr">28 </span> <span class="subxComment"># var max/ecx: (addr byte) = &f->data[f->size]</span> -<span id="L29" class="LineNr">29 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+12 to ecx</span> -<span id="L30" class="LineNr">30 </span> <span class="subxComment"># f->write = 0</span> -<span id="L31" class="LineNr">31 </span> c7 0/subop/copy 0/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *eax</span> -<span id="L32" class="LineNr">32 </span> <span class="subxComment"># f->read = 0</span> -<span id="L33" class="LineNr">33 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(eax+4)</span> -<span id="L34" class="LineNr">34 </span> <span class="subxH1Comment"># - clear all stream data</span> -<span id="L35" class="LineNr">35 </span> <span class="subxH1Comment"># - this isn't strictly necessary, and it can slow things down *a lot*, but better safe than sorry.</span> -<span id="L36" class="LineNr">36 </span> <span class="subxComment"># var curr/eax: (addr byte) = f->data</span> -<span id="L37" class="LineNr">37 </span> 81 0/subop/add 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to eax</span> -<span id="L38" class="LineNr">38 </span><span class="Constant">$clear-stream:loop</span>: -<span id="L39" class="LineNr">39 </span> <span class="subxComment"># if (curr >= max) break</span> -<span id="L40" class="LineNr">40 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax with ecx</span> -<span id="L41" class="LineNr">41 </span> 73/jump-if-addr>= $clear-stream:end/disp8 -<span id="L42" class="LineNr">42 </span> <span class="subxComment"># *curr = 0</span> -<span id="L43" class="LineNr">43 </span> c6 0/subop/copy-byte 0/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm8 <span class="subxComment"># copy byte to *eax</span> -<span id="L44" class="LineNr">44 </span> <span class="subxComment"># ++curr</span> -<span id="L45" class="LineNr">45 </span> 40/increment-eax -<span id="L46" class="LineNr">46 </span> eb/jump $clear-stream:<span class="Constant">loop</span>/disp8 -<span id="L47" class="LineNr">47 </span><span class="Constant">$clear-stream:end</span>: -<span id="L48" class="LineNr">48 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L49" class="LineNr">49 </span> 59/pop-to-ecx -<span id="L50" class="LineNr">50 </span> 58/pop-to-eax -<span id="L51" class="LineNr">51 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L52" class="LineNr">52 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> -<span id="L53" class="LineNr">53 </span> 5d/pop-to-ebp -<span id="L54" class="LineNr">54 </span> c3/return -<span id="L55" class="LineNr">55 </span> -<span id="L56" class="LineNr">56 </span><span class="subxFunction">rewind-stream</span>: <span class="subxComment"># f: (addr stream byte)</span> -<span id="L57" class="LineNr">57 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L58" class="LineNr">58 </span> 55/push-ebp -<span id="L59" class="LineNr">59 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> -<span id="L60" class="LineNr">60 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L61" class="LineNr">61 </span> 50/push-eax -<span id="L62" class="LineNr">62 </span> <span class="subxComment"># eax = f</span> -<span id="L63" class="LineNr">63 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span> -<span id="L64" class="LineNr">64 </span> <span class="subxComment"># f->read = 0</span> -<span id="L65" class="LineNr">65 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(eax+4)</span> -<span id="L66" class="LineNr">66 </span><span class="Constant">$rewind-stream:end</span>: -<span id="L67" class="LineNr">67 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L68" class="LineNr">68 </span> 58/pop-to-eax -<span id="L69" class="LineNr">69 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L70" class="LineNr">70 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> -<span id="L71" class="LineNr">71 </span> 5d/pop-to-ebp -<span id="L72" class="LineNr">72 </span> c3/return -<span id="L73" class="LineNr">73 </span> -<span id="L74" class="LineNr">74 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L11" class="LineNr">11 </span><span class="subxComment">#</span> +<span id="L12" class="LineNr">12 </span><span class="subxComment"># We need to do this in machine code because streams need to be opaque types,</span> +<span id="L13" class="LineNr">13 </span><span class="subxComment"># and we don't yet support opaque types in Mu.</span> +<span id="L14" class="LineNr">14 </span> +<span id="L15" class="LineNr">15 </span>== code +<span id="L16" class="LineNr">16 </span><span class="subxComment"># instruction effective address register displacement immediate</span> +<span id="L17" class="LineNr">17 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> +<span id="L18" class="LineNr">18 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L19" class="LineNr">19 </span> +<span id="L20" class="LineNr">20 </span><span class="subxFunction">clear-stream</span>: <span class="subxComment"># f: (addr stream byte)</span> +<span id="L21" class="LineNr">21 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L22" class="LineNr">22 </span> 55/push-ebp +<span id="L23" class="LineNr">23 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L24" class="LineNr">24 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L25" class="LineNr">25 </span> 50/push-eax +<span id="L26" class="LineNr">26 </span> 51/push-ecx +<span id="L27" class="LineNr">27 </span> <span class="subxComment"># eax = f</span> +<span id="L28" class="LineNr">28 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span> +<span id="L29" class="LineNr">29 </span> <span class="subxComment"># var count/ecx: int = f->size</span> +<span id="L30" class="LineNr">30 </span> 8b/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(eax+8) to ecx</span> +<span id="L31" class="LineNr">31 </span> <span class="subxComment"># var max/ecx: (addr byte) = &f->data[f->size]</span> +<span id="L32" class="LineNr">32 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+12 to ecx</span> +<span id="L33" class="LineNr">33 </span> <span class="subxComment"># f->write = 0</span> +<span id="L34" class="LineNr">34 </span> c7 0/subop/copy 0/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *eax</span> +<span id="L35" class="LineNr">35 </span> <span class="subxComment"># f->read = 0</span> +<span id="L36" class="LineNr">36 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(eax+4)</span> +<span id="L37" class="LineNr">37 </span> <span class="subxH1Comment"># - clear all stream data</span> +<span id="L38" class="LineNr">38 </span> <span class="subxH1Comment"># - this isn't strictly necessary, and it can slow things down *a lot*, but better safe than sorry.</span> +<span id="L39" class="LineNr">39 </span> <span class="subxComment"># var curr/eax: (addr byte) = f->data</span> +<span id="L40" class="LineNr">40 </span> 81 0/subop/add 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to eax</span> +<span id="L41" class="LineNr">41 </span><span class="Constant">$clear-stream:loop</span>: +<span id="L42" class="LineNr">42 </span> <span class="subxComment"># if (curr >= max) break</span> +<span id="L43" class="LineNr">43 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax with ecx</span> +<span id="L44" class="LineNr">44 </span> 73/jump-if-addr>= $clear-stream:end/disp8 +<span id="L45" class="LineNr">45 </span> <span class="subxComment"># *curr = 0</span> +<span id="L46" class="LineNr">46 </span> c6 0/subop/copy-byte 0/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm8 <span class="subxComment"># copy byte to *eax</span> +<span id="L47" class="LineNr">47 </span> <span class="subxComment"># ++curr</span> +<span id="L48" class="LineNr">48 </span> 40/increment-eax +<span id="L49" class="LineNr">49 </span> eb/jump $clear-stream:<span class="Constant">loop</span>/disp8 +<span id="L50" class="LineNr">50 </span><span class="Constant">$clear-stream:end</span>: +<span id="L51" class="LineNr">51 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L52" class="LineNr">52 </span> 59/pop-to-ecx +<span id="L53" class="LineNr">53 </span> 58/pop-to-eax +<span id="L54" class="LineNr">54 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L55" class="LineNr">55 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L56" class="LineNr">56 </span> 5d/pop-to-ebp +<span id="L57" class="LineNr">57 </span> c3/return +<span id="L58" class="LineNr">58 </span> +<span id="L59" class="LineNr">59 </span><span class="subxFunction">rewind-stream</span>: <span class="subxComment"># f: (addr stream byte)</span> +<span id="L60" class="LineNr">60 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L61" class="LineNr">61 </span> 55/push-ebp +<span id="L62" class="LineNr">62 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L63" class="LineNr">63 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L64" class="LineNr">64 </span> 50/push-eax +<span id="L65" class="LineNr">65 </span> <span class="subxComment"># eax = f</span> +<span id="L66" class="LineNr">66 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span> +<span id="L67" class="LineNr">67 </span> <span class="subxComment"># f->read = 0</span> +<span id="L68" class="LineNr">68 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(eax+4)</span> +<span id="L69" class="LineNr">69 </span><span class="Constant">$rewind-stream:end</span>: +<span id="L70" class="LineNr">70 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L71" class="LineNr">71 </span> 58/pop-to-eax +<span id="L72" class="LineNr">72 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L73" class="LineNr">73 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L74" class="LineNr">74 </span> 5d/pop-to-ebp +<span id="L75" class="LineNr">75 </span> c3/return +<span id="L76" class="LineNr">76 </span> +<span id="L77" class="LineNr">77 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/baremetal/108write.subx.html b/html/baremetal/108write.subx.html index 5253c1fa..ac10717d 100644 --- a/html/baremetal/108write.subx.html +++ b/html/baremetal/108write.subx.html @@ -14,12 +14,13 @@ pre { font-family: monospace; color: #000000; background-color: #c6c6c6; } body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } +.subxMinorFunction { color: #875f5f; } .subxComment { color: #005faf; } .subxS1Comment { color: #0000af; } .subxS2Comment { color: #8a8a8a; } .LineNr { } .Constant { color: #008787; } -.subxMinorFunction { color: #875f5f; } +.subxTest { color: #5f8700; } .subxFunction { color: #af5f00; text-decoration: underline; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } --> @@ -57,142 +58,226 @@ if ('onhashchange' in window) { <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/baremetal/108write.subx'>https://github.com/akkartik/mu/blob/main/baremetal/108write.subx</a> <pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span>== code -<span id="L2" class="LineNr"> 2 </span><span class="subxComment"># instruction effective address register displacement immediate</span> -<span id="L3" class="LineNr"> 3 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> -<span id="L4" class="LineNr"> 4 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># write: write to in-memory streams</span> +<span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span> +<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># We need to do this in machine code because streams need to be opaque types,</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># and we don't yet support opaque types in Mu.</span> <span id="L5" class="LineNr"> 5 </span> -<span id="L6" class="LineNr"> 6 </span><span class="subxFunction">write</span>: <span class="subxComment"># f: (addr stream byte), s: (addr array byte)</span> -<span id="L7" class="LineNr"> 7 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L8" class="LineNr"> 8 </span> 55/push-ebp -<span id="L9" class="LineNr"> 9 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> -<span id="L10" class="LineNr"> 10 </span> <span class="subxComment"># if (s == 0) return</span> -<span id="L11" class="LineNr"> 11 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 0/imm32 <span class="subxComment"># compare *(ebp+12)</span> -<span id="L12" class="LineNr"> 12 </span> 74/jump-if-= $write:end/disp8 -<span id="L13" class="LineNr"> 13 </span> <span class="subxComment"># TODO: write to file</span> -<span id="L14" class="LineNr"> 14 </span> <span class="subxComment"># otherwise, treat 'f' as a stream to append to</span> -<span id="L15" class="LineNr"> 15 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L16" class="LineNr"> 16 </span> 50/push-eax -<span id="L17" class="LineNr"> 17 </span> 51/push-ecx -<span id="L18" class="LineNr"> 18 </span> 52/push-edx -<span id="L19" class="LineNr"> 19 </span> 53/push-ebx -<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># ecx = f</span> -<span id="L21" class="LineNr"> 21 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span> -<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># edx = f->write</span> -<span id="L23" class="LineNr"> 23 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to edx</span> -<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># ebx = f->size</span> -<span id="L25" class="LineNr"> 25 </span> 8b/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ecx+8) to ebx</span> -<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># eax = _append-3(&f->data[f->write], &f->data[f->size], s)</span> -<span id="L27" class="LineNr"> 27 </span> <span class="subxS2Comment"># . . push s</span> -<span id="L28" class="LineNr"> 28 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> -<span id="L29" class="LineNr"> 29 </span> <span class="subxS2Comment"># . . push &f->data[f->size]</span> -<span id="L30" class="LineNr"> 30 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ecx 3/index/ebx <span class="Normal"> . </span> 3/r32/ebx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx+ebx+12 to ebx</span> -<span id="L31" class="LineNr"> 31 </span> 53/push-ebx -<span id="L32" class="LineNr"> 32 </span> <span class="subxS2Comment"># . . push &f->data[f->write]</span> -<span id="L33" class="LineNr"> 33 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ecx 2/index/edx <span class="Normal"> . </span> 3/r32/ebx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx+edx+12 to ebx</span> +<span id="L6" class="LineNr"> 6 </span>== code +<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># instruction effective address register displacement immediate</span> +<span id="L8" class="LineNr"> 8 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L10" class="LineNr"> 10 </span> +<span id="L11" class="LineNr"> 11 </span><span class="subxFunction">write</span>: <span class="subxComment"># f: (addr stream byte), s: (addr array byte)</span> +<span id="L12" class="LineNr"> 12 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L13" class="LineNr"> 13 </span> 55/push-ebp +<span id="L14" class="LineNr"> 14 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L15" class="LineNr"> 15 </span> <span class="subxComment"># if (s == 0) return</span> +<span id="L16" class="LineNr"> 16 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 0/imm32 <span class="subxComment"># compare *(ebp+12)</span> +<span id="L17" class="LineNr"> 17 </span> 74/jump-if-= $write:end/disp8 +<span id="L18" class="LineNr"> 18 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L19" class="LineNr"> 19 </span> 50/push-eax +<span id="L20" class="LineNr"> 20 </span> 51/push-ecx +<span id="L21" class="LineNr"> 21 </span> 52/push-edx +<span id="L22" class="LineNr"> 22 </span> 53/push-ebx +<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># ecx = f</span> +<span id="L24" class="LineNr"> 24 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span> +<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># edx = f->write</span> +<span id="L26" class="LineNr"> 26 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to edx</span> +<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># ebx = f->size</span> +<span id="L28" class="LineNr"> 28 </span> 8b/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ecx+8) to ebx</span> +<span id="L29" class="LineNr"> 29 </span> <span class="subxComment"># eax = _append-3(&f->data[f->write], &f->data[f->size], s)</span> +<span id="L30" class="LineNr"> 30 </span> <span class="subxS2Comment"># . . push s</span> +<span id="L31" class="LineNr"> 31 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> +<span id="L32" class="LineNr"> 32 </span> <span class="subxS2Comment"># . . push &f->data[f->size]</span> +<span id="L33" class="LineNr"> 33 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ecx 3/index/ebx <span class="Normal"> . </span> 3/r32/ebx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx+ebx+12 to ebx</span> <span id="L34" class="LineNr"> 34 </span> 53/push-ebx -<span id="L35" class="LineNr"> 35 </span> <span class="subxS2Comment"># . . call</span> -<span id="L36" class="LineNr"> 36 </span> e8/call <a href='108write.subx.html#L55'>_append-3</a>/disp32 -<span id="L37" class="LineNr"> 37 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L38" class="LineNr"> 38 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> -<span id="L39" class="LineNr"> 39 </span> <span class="subxComment"># f->write += eax</span> -<span id="L40" class="LineNr"> 40 </span> 01/add 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add eax to *ecx</span> -<span id="L41" class="LineNr"> 41 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L42" class="LineNr"> 42 </span> 5b/pop-to-ebx -<span id="L43" class="LineNr"> 43 </span> 5a/pop-to-edx -<span id="L44" class="LineNr"> 44 </span> 59/pop-to-ecx -<span id="L45" class="LineNr"> 45 </span> 58/pop-to-eax -<span id="L46" class="LineNr"> 46 </span><span class="Constant">$write:end</span>: -<span id="L47" class="LineNr"> 47 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L48" class="LineNr"> 48 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> -<span id="L49" class="LineNr"> 49 </span> 5d/pop-to-ebp -<span id="L50" class="LineNr"> 50 </span> c3/return -<span id="L51" class="LineNr"> 51 </span> -<span id="L52" class="LineNr"> 52 </span><span class="subxComment"># TODO: bring in tests once we have check-ints-equal</span> -<span id="L53" class="LineNr"> 53 </span> -<span id="L54" class="LineNr"> 54 </span><span class="subxComment"># 3-argument variant of _append</span> -<span id="L55" class="LineNr"> 55 </span><span class="subxMinorFunction">_append-3</span>: <span class="subxComment"># out: (addr byte), outend: (addr byte), s: (addr array byte) -> num_bytes_appended/eax</span> -<span id="L56" class="LineNr"> 56 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L57" class="LineNr"> 57 </span> 55/push-ebp -<span id="L58" class="LineNr"> 58 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> -<span id="L59" class="LineNr"> 59 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L60" class="LineNr"> 60 </span> 51/push-ecx -<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># eax = _append-4(out, outend, &s->data[0], &s->data[s->size])</span> -<span id="L62" class="LineNr"> 62 </span> <span class="subxS2Comment"># . . push &s->data[s->size]</span> -<span id="L63" class="LineNr"> 63 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to eax</span> -<span id="L64" class="LineNr"> 64 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> -<span id="L65" class="LineNr"> 65 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> -<span id="L66" class="LineNr"> 66 </span> 51/push-ecx -<span id="L67" class="LineNr"> 67 </span> <span class="subxS2Comment"># . . push &s->data[0]</span> -<span id="L68" class="LineNr"> 68 </span> 8d/copy-address 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+4 to ecx</span> -<span id="L69" class="LineNr"> 69 </span> 51/push-ecx -<span id="L70" class="LineNr"> 70 </span> <span class="subxS2Comment"># . . push outend</span> -<span id="L71" class="LineNr"> 71 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> -<span id="L72" class="LineNr"> 72 </span> <span class="subxS2Comment"># . . push out</span> -<span id="L73" class="LineNr"> 73 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> -<span id="L74" class="LineNr"> 74 </span> <span class="subxS2Comment"># . . call</span> -<span id="L75" class="LineNr"> 75 </span> e8/call <a href='108write.subx.html#L87'>_append-4</a>/disp32 -<span id="L76" class="LineNr"> 76 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L77" class="LineNr"> 77 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to esp</span> -<span id="L78" class="LineNr"> 78 </span><span class="Constant">$_append-3:end</span>: -<span id="L79" class="LineNr"> 79 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L80" class="LineNr"> 80 </span> 59/pop-to-ecx -<span id="L81" class="LineNr"> 81 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L82" class="LineNr"> 82 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> -<span id="L83" class="LineNr"> 83 </span> 5d/pop-to-ebp -<span id="L84" class="LineNr"> 84 </span> c3/return -<span id="L85" class="LineNr"> 85 </span> -<span id="L86" class="LineNr"> 86 </span><span class="subxComment"># 4-argument variant of _append</span> -<span id="L87" class="LineNr"> 87 </span><span class="subxMinorFunction">_append-4</span>: <span class="subxComment"># out: (addr byte), outend: (addr byte), in: (addr byte), inend: (addr byte) -> num_bytes_appended/eax: int</span> -<span id="L88" class="LineNr"> 88 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L89" class="LineNr"> 89 </span> 55/push-ebp -<span id="L90" class="LineNr"> 90 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> -<span id="L91" class="LineNr"> 91 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L92" class="LineNr"> 92 </span> 51/push-ecx -<span id="L93" class="LineNr"> 93 </span> 52/push-edx -<span id="L94" class="LineNr"> 94 </span> 53/push-ebx -<span id="L95" class="LineNr"> 95 </span> 56/push-esi -<span id="L96" class="LineNr"> 96 </span> 57/push-edi -<span id="L97" class="LineNr"> 97 </span> <span class="subxComment"># num_bytes_appended = 0</span> -<span id="L98" class="LineNr"> 98 </span> b8/copy-to-eax 0/imm32 -<span id="L99" class="LineNr"> 99 </span> <span class="subxComment"># edi = out</span> -<span id="L100" class="LineNr">100 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span> -<span id="L101" class="LineNr">101 </span> <span class="subxComment"># edx = outend</span> -<span id="L102" class="LineNr">102 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edx</span> -<span id="L103" class="LineNr">103 </span> <span class="subxComment"># esi = in</span> -<span id="L104" class="LineNr">104 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to esi</span> -<span id="L105" class="LineNr">105 </span> <span class="subxComment"># ecx = inend</span> -<span id="L106" class="LineNr">106 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+20) to ecx</span> -<span id="L107" class="LineNr">107 </span><span class="Constant">$_append-4:loop</span>: -<span id="L108" class="LineNr">108 </span> <span class="subxComment"># if (in >= inend) break</span> -<span id="L109" class="LineNr">109 </span> 39/compare 3/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare esi with ecx</span> -<span id="L110" class="LineNr">110 </span> 73/jump-if-addr>= $_append-4:end/disp8 -<span id="L111" class="LineNr">111 </span> <span class="subxComment"># if (out >= outend) abort # just to catch test failures fast</span> -<span id="L112" class="LineNr">112 </span> 39/compare 3/mod/direct 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare edi with edx</span> -<span id="L113" class="LineNr">113 </span> 73/jump-if-addr>= $_append-4:end/disp8 <span class="subxComment"># TODO: abort</span> -<span id="L114" class="LineNr">114 </span> <span class="subxComment"># *out = *in</span> -<span id="L115" class="LineNr">115 </span> 8a/copy-byte 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *esi to BL</span> -<span id="L116" class="LineNr">116 </span> 88/copy-byte 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at BL to *edi</span> -<span id="L117" class="LineNr">117 </span> <span class="subxComment"># ++num_bytes_appended</span> -<span id="L118" class="LineNr">118 </span> 40/increment-eax -<span id="L119" class="LineNr">119 </span> <span class="subxComment"># ++in</span> -<span id="L120" class="LineNr">120 </span> 46/increment-esi -<span id="L121" class="LineNr">121 </span> <span class="subxComment"># ++out</span> -<span id="L122" class="LineNr">122 </span> 47/increment-edi -<span id="L123" class="LineNr">123 </span> eb/jump $_append-4:<span class="Constant">loop</span>/disp8 -<span id="L124" class="LineNr">124 </span><span class="Constant">$_append-4:end</span>: -<span id="L125" class="LineNr">125 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L126" class="LineNr">126 </span> 5f/pop-to-edi -<span id="L127" class="LineNr">127 </span> 5e/pop-to-esi -<span id="L128" class="LineNr">128 </span> 5b/pop-to-ebx -<span id="L129" class="LineNr">129 </span> 5a/pop-to-edx -<span id="L130" class="LineNr">130 </span> 59/pop-to-ecx -<span id="L131" class="LineNr">131 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L132" class="LineNr">132 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> -<span id="L133" class="LineNr">133 </span> 5d/pop-to-ebp -<span id="L134" class="LineNr">134 </span> c3/return +<span id="L35" class="LineNr"> 35 </span> <span class="subxS2Comment"># . . push &f->data[f->write]</span> +<span id="L36" class="LineNr"> 36 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ecx 2/index/edx <span class="Normal"> . </span> 3/r32/ebx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx+edx+12 to ebx</span> +<span id="L37" class="LineNr"> 37 </span> 53/push-ebx +<span id="L38" class="LineNr"> 38 </span> <span class="subxS2Comment"># . . call</span> +<span id="L39" class="LineNr"> 39 </span> e8/call <a href='108write.subx.html#L139'>_append-3</a>/disp32 +<span id="L40" class="LineNr"> 40 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L41" class="LineNr"> 41 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L42" class="LineNr"> 42 </span> <span class="subxComment"># f->write += eax</span> +<span id="L43" class="LineNr"> 43 </span> 01/add 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add eax to *ecx</span> +<span id="L44" class="LineNr"> 44 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L45" class="LineNr"> 45 </span> 5b/pop-to-ebx +<span id="L46" class="LineNr"> 46 </span> 5a/pop-to-edx +<span id="L47" class="LineNr"> 47 </span> 59/pop-to-ecx +<span id="L48" class="LineNr"> 48 </span> 58/pop-to-eax +<span id="L49" class="LineNr"> 49 </span><span class="Constant">$write:end</span>: +<span id="L50" class="LineNr"> 50 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L51" class="LineNr"> 51 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L52" class="LineNr"> 52 </span> 5d/pop-to-ebp +<span id="L53" class="LineNr"> 53 </span> c3/return +<span id="L54" class="LineNr"> 54 </span> +<span id="L55" class="LineNr"> 55 </span><span class="subxTest">test-write-single</span>: +<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L57" class="LineNr"> 57 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L58" class="LineNr"> 58 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L59" class="LineNr"> 59 </span> <span class="subxS2Comment"># . . call</span> +<span id="L60" class="LineNr"> 60 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L61" class="LineNr"> 61 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L62" class="LineNr"> 62 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># write(_test-stream, "Ab")</span> +<span id="L64" class="LineNr"> 64 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L65" class="LineNr"> 65 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L66" class="LineNr"> 66 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L67" class="LineNr"> 67 </span> <span class="subxS2Comment"># . . call</span> +<span id="L68" class="LineNr"> 68 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L69" class="LineNr"> 69 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L70" class="LineNr"> 70 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L71" class="LineNr"> 71 </span> <span class="subxComment"># check-ints-equal(*_test-stream->data, 41/A 62/b 00 00, msg)</span> +<span id="L72" class="LineNr"> 72 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L73" class="LineNr"> 73 </span> 68/push <span class="Constant">"F - test-write-single"</span>/imm32 +<span id="L74" class="LineNr"> 74 </span> 68/push 0x006241/imm32/Ab +<span id="L75" class="LineNr"> 75 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L76" class="LineNr"> 76 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L77" class="LineNr"> 77 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+12)</span> +<span id="L78" class="LineNr"> 78 </span> <span class="subxS2Comment"># . . call</span> +<span id="L79" class="LineNr"> 79 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L80" class="LineNr"> 80 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L81" class="LineNr"> 81 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L82" class="LineNr"> 82 </span> <span class="subxComment"># end</span> +<span id="L83" class="LineNr"> 83 </span> c3/return +<span id="L84" class="LineNr"> 84 </span> +<span id="L85" class="LineNr"> 85 </span><span class="subxTest">test-write-appends</span>: +<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L87" class="LineNr"> 87 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L88" class="LineNr"> 88 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L89" class="LineNr"> 89 </span> <span class="subxS2Comment"># . . call</span> +<span id="L90" class="LineNr"> 90 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L91" class="LineNr"> 91 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L92" class="LineNr"> 92 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># write(_test-stream, "C")</span> +<span id="L94" class="LineNr"> 94 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L95" class="LineNr"> 95 </span> 68/push <span class="Constant">"C"</span>/imm32 +<span id="L96" class="LineNr"> 96 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L97" class="LineNr"> 97 </span> <span class="subxS2Comment"># . . call</span> +<span id="L98" class="LineNr"> 98 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L99" class="LineNr"> 99 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L100" class="LineNr">100 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L101" class="LineNr">101 </span> <span class="subxComment"># write(_test-stream, "D")</span> +<span id="L102" class="LineNr">102 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L103" class="LineNr">103 </span> 68/push <span class="Constant">"D"</span>/imm32 +<span id="L104" class="LineNr">104 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . call</span> +<span id="L106" class="LineNr">106 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L108" class="LineNr">108 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L109" class="LineNr">109 </span> <span class="subxComment"># check-ints-equal(*_test-stream->data, 43/C 44/D 00 00, msg)</span> +<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L111" class="LineNr">111 </span> 68/push <span class="Constant">"F - test-write-appends"</span>/imm32 +<span id="L112" class="LineNr">112 </span> 68/push 0x00004443/imm32/C-D +<span id="L113" class="LineNr">113 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L114" class="LineNr">114 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L115" class="LineNr">115 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+12)</span> +<span id="L116" class="LineNr">116 </span> <span class="subxS2Comment"># . . call</span> +<span id="L117" class="LineNr">117 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L118" class="LineNr">118 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L119" class="LineNr">119 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L120" class="LineNr">120 </span> <span class="subxComment"># end</span> +<span id="L121" class="LineNr">121 </span> c3/return +<span id="L122" class="LineNr">122 </span> +<span id="L123" class="LineNr">123 </span>== data +<span id="L124" class="LineNr">124 </span> +<span id="L125" class="LineNr">125 </span><span class="subxMinorFunction">_test-stream</span>: <span class="subxComment"># (stream byte)</span> +<span id="L126" class="LineNr">126 </span> <span class="subxComment"># current write index</span> +<span id="L127" class="LineNr">127 </span> 0/imm32 +<span id="L128" class="LineNr">128 </span> <span class="subxComment"># current read index</span> +<span id="L129" class="LineNr">129 </span> 0/imm32 +<span id="L130" class="LineNr">130 </span> <span class="subxComment"># size</span> +<span id="L131" class="LineNr">131 </span> 0x10/imm32 +<span id="L132" class="LineNr">132 </span> <span class="subxComment"># data (2 lines x 8 bytes/line)</span> +<span id="L133" class="LineNr">133 </span> 00 00 00 00 00 00 00 00 +<span id="L134" class="LineNr">134 </span> 00 00 00 00 00 00 00 00 <span id="L135" class="LineNr">135 </span> -<span id="L136" class="LineNr">136 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L136" class="LineNr">136 </span>== code +<span id="L137" class="LineNr">137 </span> +<span id="L138" class="LineNr">138 </span><span class="subxComment"># 3-argument variant of _append</span> +<span id="L139" class="LineNr">139 </span><span class="subxMinorFunction">_append-3</span>: <span class="subxComment"># out: (addr byte), outend: (addr byte), s: (addr array byte) -> num_bytes_appended/eax</span> +<span id="L140" class="LineNr">140 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L141" class="LineNr">141 </span> 55/push-ebp +<span id="L142" class="LineNr">142 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L143" class="LineNr">143 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L144" class="LineNr">144 </span> 51/push-ecx +<span id="L145" class="LineNr">145 </span> <span class="subxComment"># eax = _append-4(out, outend, &s->data[0], &s->data[s->size])</span> +<span id="L146" class="LineNr">146 </span> <span class="subxS2Comment"># . . push &s->data[s->size]</span> +<span id="L147" class="LineNr">147 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to eax</span> +<span id="L148" class="LineNr">148 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L149" class="LineNr">149 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L150" class="LineNr">150 </span> 51/push-ecx +<span id="L151" class="LineNr">151 </span> <span class="subxS2Comment"># . . push &s->data[0]</span> +<span id="L152" class="LineNr">152 </span> 8d/copy-address 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+4 to ecx</span> +<span id="L153" class="LineNr">153 </span> 51/push-ecx +<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . push outend</span> +<span id="L155" class="LineNr">155 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> +<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . push out</span> +<span id="L157" class="LineNr">157 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . call</span> +<span id="L159" class="LineNr">159 </span> e8/call <a href='108write.subx.html#L171'>_append-4</a>/disp32 +<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L161" class="LineNr">161 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to esp</span> +<span id="L162" class="LineNr">162 </span><span class="Constant">$_append-3:end</span>: +<span id="L163" class="LineNr">163 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L164" class="LineNr">164 </span> 59/pop-to-ecx +<span id="L165" class="LineNr">165 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L166" class="LineNr">166 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L167" class="LineNr">167 </span> 5d/pop-to-ebp +<span id="L168" class="LineNr">168 </span> c3/return +<span id="L169" class="LineNr">169 </span> +<span id="L170" class="LineNr">170 </span><span class="subxComment"># 4-argument variant of _append</span> +<span id="L171" class="LineNr">171 </span><span class="subxMinorFunction">_append-4</span>: <span class="subxComment"># out: (addr byte), outend: (addr byte), in: (addr byte), inend: (addr byte) -> num_bytes_appended/eax: int</span> +<span id="L172" class="LineNr">172 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L173" class="LineNr">173 </span> 55/push-ebp +<span id="L174" class="LineNr">174 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L175" class="LineNr">175 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L176" class="LineNr">176 </span> 51/push-ecx +<span id="L177" class="LineNr">177 </span> 52/push-edx +<span id="L178" class="LineNr">178 </span> 53/push-ebx +<span id="L179" class="LineNr">179 </span> 56/push-esi +<span id="L180" class="LineNr">180 </span> 57/push-edi +<span id="L181" class="LineNr">181 </span> <span class="subxComment"># num_bytes_appended = 0</span> +<span id="L182" class="LineNr">182 </span> b8/copy-to-eax 0/imm32 +<span id="L183" class="LineNr">183 </span> <span class="subxComment"># edi = out</span> +<span id="L184" class="LineNr">184 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span> +<span id="L185" class="LineNr">185 </span> <span class="subxComment"># edx = outend</span> +<span id="L186" class="LineNr">186 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edx</span> +<span id="L187" class="LineNr">187 </span> <span class="subxComment"># esi = in</span> +<span id="L188" class="LineNr">188 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to esi</span> +<span id="L189" class="LineNr">189 </span> <span class="subxComment"># ecx = inend</span> +<span id="L190" class="LineNr">190 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+20) to ecx</span> +<span id="L191" class="LineNr">191 </span><span class="Constant">$_append-4:loop</span>: +<span id="L192" class="LineNr">192 </span> <span class="subxComment"># if (in >= inend) break</span> +<span id="L193" class="LineNr">193 </span> 39/compare 3/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare esi with ecx</span> +<span id="L194" class="LineNr">194 </span> 73/jump-if-addr>= $_append-4:end/disp8 +<span id="L195" class="LineNr">195 </span> <span class="subxComment"># if (out >= outend) abort # just to catch test failures fast</span> +<span id="L196" class="LineNr">196 </span> 39/compare 3/mod/direct 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare edi with edx</span> +<span id="L197" class="LineNr">197 </span> 73/jump-if-addr>= $_append-4:end/disp8 <span class="subxComment"># TODO: abort</span> +<span id="L198" class="LineNr">198 </span> <span class="subxComment"># *out = *in</span> +<span id="L199" class="LineNr">199 </span> 8a/copy-byte 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *esi to BL</span> +<span id="L200" class="LineNr">200 </span> 88/copy-byte 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at BL to *edi</span> +<span id="L201" class="LineNr">201 </span> <span class="subxComment"># ++num_bytes_appended</span> +<span id="L202" class="LineNr">202 </span> 40/increment-eax +<span id="L203" class="LineNr">203 </span> <span class="subxComment"># ++in</span> +<span id="L204" class="LineNr">204 </span> 46/increment-esi +<span id="L205" class="LineNr">205 </span> <span class="subxComment"># ++out</span> +<span id="L206" class="LineNr">206 </span> 47/increment-edi +<span id="L207" class="LineNr">207 </span> eb/jump $_append-4:<span class="Constant">loop</span>/disp8 +<span id="L208" class="LineNr">208 </span><span class="Constant">$_append-4:end</span>: +<span id="L209" class="LineNr">209 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L210" class="LineNr">210 </span> 5f/pop-to-edi +<span id="L211" class="LineNr">211 </span> 5e/pop-to-esi +<span id="L212" class="LineNr">212 </span> 5b/pop-to-ebx +<span id="L213" class="LineNr">213 </span> 5a/pop-to-edx +<span id="L214" class="LineNr">214 </span> 59/pop-to-ecx +<span id="L215" class="LineNr">215 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L216" class="LineNr">216 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L217" class="LineNr">217 </span> 5d/pop-to-ebp +<span id="L218" class="LineNr">218 </span> c3/return +<span id="L219" class="LineNr">219 </span> +<span id="L220" class="LineNr">220 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/baremetal/109stream-equal.subx.html b/html/baremetal/109stream-equal.subx.html new file mode 100644 index 00000000..91702ebc --- /dev/null +++ b/html/baremetal/109stream-equal.subx.html @@ -0,0 +1,661 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - baremetal/109stream-equal.subx</title> +<meta name="Generator" content="Vim/8.1"> +<meta name="plugin-version" content="vim8.1_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="number_lines,use_css,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.subxComment { color: #005faf; } +.subxS1Comment { color: #0000af; } +.subxS2Comment { color: #8a8a8a; } +.LineNr { } +.Constant { color: #008787; } +.subxTest { color: #5f8700; } +.subxFunction { color: #af5f00; text-decoration: underline; } +.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } +--> +</style> + +<script type='text/javascript'> +<!-- + +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + var lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + +--> +</script> +</head> +<body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/main/baremetal/109stream-equal.subx'>https://github.com/akkartik/mu/blob/main/baremetal/109stream-equal.subx</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># some primitives for checking stream contents</span> +<span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span> +<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># We need to do this in machine code because streams need to be opaque types,</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># and we don't yet support opaque types in Mu.</span> +<span id="L5" class="LineNr"> 5 </span> +<span id="L6" class="LineNr"> 6 </span>== code +<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># instruction effective address register displacement immediate</span> +<span id="L8" class="LineNr"> 8 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L10" class="LineNr"> 10 </span> +<span id="L11" class="LineNr"> 11 </span><span class="subxComment"># compare all the data in a stream (ignoring the read pointer)</span> +<span id="L12" class="LineNr"> 12 </span><span class="subxFunction">stream-data-equal?</span>: <span class="subxComment"># f: (addr stream byte), s: (addr array byte) -> result/eax: boolean</span> +<span id="L13" class="LineNr"> 13 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L14" class="LineNr"> 14 </span> 55/push-ebp +<span id="L15" class="LineNr"> 15 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L16" class="LineNr"> 16 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L17" class="LineNr"> 17 </span> 51/push-ecx +<span id="L18" class="LineNr"> 18 </span> 52/push-edx +<span id="L19" class="LineNr"> 19 </span> 56/push-esi +<span id="L20" class="LineNr"> 20 </span> 57/push-edi +<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># esi = f</span> +<span id="L22" class="LineNr"> 22 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># eax = f->write</span> +<span id="L24" class="LineNr"> 24 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to eax</span> +<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># var maxf/edx: (addr byte) = &f->data[f->write]</span> +<span id="L26" class="LineNr"> 26 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 0/index/eax <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+eax+12 to edx</span> +<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># var currf/esi: (addr byte) = f->data</span> +<span id="L28" class="LineNr"> 28 </span> 81 0/subop/add 3/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esi</span> +<span id="L29" class="LineNr"> 29 </span> <span class="subxComment"># edi = s</span> +<span id="L30" class="LineNr"> 30 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edi</span> +<span id="L31" class="LineNr"> 31 </span><span class="Constant">$stream-data-equal?:compare-sizes</span>: +<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># if (f->write != s->size) return false</span> +<span id="L33" class="LineNr"> 33 </span> 39/compare 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *edi and eax</span> +<span id="L34" class="LineNr"> 34 </span> 75/jump-if-!= $stream-data-equal?:false/disp8 +<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># var currs/edi: (addr byte) = s->data</span> +<span id="L36" class="LineNr"> 36 </span> 81 0/subop/add 3/mod/direct 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to edi</span> +<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># var eax: byte = 0</span> +<span id="L38" class="LineNr"> 38 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L39" class="LineNr"> 39 </span> <span class="subxComment"># var ecx: byte = 0</span> +<span id="L40" class="LineNr"> 40 </span> 31/xor 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ecx</span> +<span id="L41" class="LineNr"> 41 </span><span class="Constant">$stream-data-equal?:loop</span>: +<span id="L42" class="LineNr"> 42 </span> <span class="subxComment"># if (currf >= maxf) return true</span> +<span id="L43" class="LineNr"> 43 </span> 39/compare 3/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare esi with edx</span> +<span id="L44" class="LineNr"> 44 </span> 73/jump-if-addr>= $stream-data-equal?:true/disp8 +<span id="L45" class="LineNr"> 45 </span> <span class="subxComment"># AL = *currs</span> +<span id="L46" class="LineNr"> 46 </span> 8a/copy-byte 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *esi to AL</span> +<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># CL = *curr</span> +<span id="L48" class="LineNr"> 48 </span> 8a/copy-byte 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/CL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *edi to CL</span> +<span id="L49" class="LineNr"> 49 </span> <span class="subxComment"># if (eax != ecx) return false</span> +<span id="L50" class="LineNr"> 50 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax and ecx</span> +<span id="L51" class="LineNr"> 51 </span> 75/jump-if-!= $stream-data-equal?:false/disp8 +<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># ++f</span> +<span id="L53" class="LineNr"> 53 </span> 46/increment-esi +<span id="L54" class="LineNr"> 54 </span> <span class="subxComment"># ++curr</span> +<span id="L55" class="LineNr"> 55 </span> 47/increment-edi +<span id="L56" class="LineNr"> 56 </span> eb/jump $stream-data-equal?:<span class="Constant">loop</span>/disp8 +<span id="L57" class="LineNr"> 57 </span><span class="Constant">$stream-data-equal?:false</span>: +<span id="L58" class="LineNr"> 58 </span> b8/copy-to-eax 0/imm32 +<span id="L59" class="LineNr"> 59 </span> eb/jump $stream-data-equal?:end/disp8 +<span id="L60" class="LineNr"> 60 </span><span class="Constant">$stream-data-equal?:true</span>: +<span id="L61" class="LineNr"> 61 </span> b8/copy-to-eax 1/imm32 +<span id="L62" class="LineNr"> 62 </span><span class="Constant">$stream-data-equal?:end</span>: +<span id="L63" class="LineNr"> 63 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L64" class="LineNr"> 64 </span> 5f/pop-to-edi +<span id="L65" class="LineNr"> 65 </span> 5e/pop-to-esi +<span id="L66" class="LineNr"> 66 </span> 5a/pop-to-edx +<span id="L67" class="LineNr"> 67 </span> 59/pop-to-ecx +<span id="L68" class="LineNr"> 68 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L69" class="LineNr"> 69 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L70" class="LineNr"> 70 </span> 5d/pop-to-ebp +<span id="L71" class="LineNr"> 71 </span> c3/return +<span id="L72" class="LineNr"> 72 </span> +<span id="L73" class="LineNr"> 73 </span><span class="subxTest">test-stream-data-equal</span>: +<span id="L74" class="LineNr"> 74 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L75" class="LineNr"> 75 </span> 55/push-ebp +<span id="L76" class="LineNr"> 76 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L78" class="LineNr"> 78 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L79" class="LineNr"> 79 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L80" class="LineNr"> 80 </span> <span class="subxS2Comment"># . . call</span> +<span id="L81" class="LineNr"> 81 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L83" class="LineNr"> 83 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L84" class="LineNr"> 84 </span> <span class="subxComment"># write(_test-stream, "Abc")</span> +<span id="L85" class="LineNr"> 85 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L86" class="LineNr"> 86 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L87" class="LineNr"> 87 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L88" class="LineNr"> 88 </span> <span class="subxS2Comment"># . . call</span> +<span id="L89" class="LineNr"> 89 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L90" class="LineNr"> 90 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L91" class="LineNr"> 91 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L92" class="LineNr"> 92 </span> <span class="subxComment"># eax = stream-data-equal?(_test-stream, "Abc")</span> +<span id="L93" class="LineNr"> 93 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L94" class="LineNr"> 94 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L95" class="LineNr"> 95 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L96" class="LineNr"> 96 </span> <span class="subxS2Comment"># . . call</span> +<span id="L97" class="LineNr"> 97 </span> e8/call <a href='109stream-equal.subx.html#L12'>stream-data-equal?</a>/disp32 +<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L99" class="LineNr"> 99 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L100" class="LineNr">100 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L101" class="LineNr">101 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L102" class="LineNr">102 </span> 68/push <span class="Constant">"F - test-stream-data-equal"</span>/imm32 +<span id="L103" class="LineNr">103 </span> 68/push 1/imm32 +<span id="L104" class="LineNr">104 </span> 50/push-eax +<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . call</span> +<span id="L106" class="LineNr">106 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L108" class="LineNr">108 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L109" class="LineNr">109 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L110" class="LineNr">110 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L111" class="LineNr">111 </span> 5d/pop-to-ebp +<span id="L112" class="LineNr">112 </span> c3/return +<span id="L113" class="LineNr">113 </span> +<span id="L114" class="LineNr">114 </span><span class="subxTest">test-stream-data-equal-2</span>: +<span id="L115" class="LineNr">115 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L116" class="LineNr">116 </span> 55/push-ebp +<span id="L117" class="LineNr">117 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L118" class="LineNr">118 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L120" class="LineNr">120 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L121" class="LineNr">121 </span> <span class="subxS2Comment"># . . call</span> +<span id="L122" class="LineNr">122 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L123" class="LineNr">123 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L124" class="LineNr">124 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L125" class="LineNr">125 </span> <span class="subxComment"># write(_test-stream, "Abc")</span> +<span id="L126" class="LineNr">126 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L127" class="LineNr">127 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L128" class="LineNr">128 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L129" class="LineNr">129 </span> <span class="subxS2Comment"># . . call</span> +<span id="L130" class="LineNr">130 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L131" class="LineNr">131 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L132" class="LineNr">132 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L133" class="LineNr">133 </span> <span class="subxComment"># eax = stream-data-equal?(_test-stream, "Abd")</span> +<span id="L134" class="LineNr">134 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L135" class="LineNr">135 </span> 68/push <span class="Constant">"Abd"</span>/imm32 +<span id="L136" class="LineNr">136 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . call</span> +<span id="L138" class="LineNr">138 </span> e8/call <a href='109stream-equal.subx.html#L12'>stream-data-equal?</a>/disp32 +<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L140" class="LineNr">140 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L141" class="LineNr">141 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L142" class="LineNr">142 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L143" class="LineNr">143 </span> 68/push <span class="Constant">"F - test-stream-data-equal-2"</span>/imm32 +<span id="L144" class="LineNr">144 </span> 68/push 0/imm32 +<span id="L145" class="LineNr">145 </span> 50/push-eax +<span id="L146" class="LineNr">146 </span> <span class="subxS2Comment"># . . call</span> +<span id="L147" class="LineNr">147 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L148" class="LineNr">148 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L149" class="LineNr">149 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L150" class="LineNr">150 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L151" class="LineNr">151 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L152" class="LineNr">152 </span> 5d/pop-to-ebp +<span id="L153" class="LineNr">153 </span> c3/return +<span id="L154" class="LineNr">154 </span> +<span id="L155" class="LineNr">155 </span><span class="subxTest">test-stream-data-equal-size-check</span>: +<span id="L156" class="LineNr">156 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L157" class="LineNr">157 </span> 55/push-ebp +<span id="L158" class="LineNr">158 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L159" class="LineNr">159 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L161" class="LineNr">161 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L162" class="LineNr">162 </span> <span class="subxS2Comment"># . . call</span> +<span id="L163" class="LineNr">163 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L164" class="LineNr">164 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L165" class="LineNr">165 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L166" class="LineNr">166 </span> <span class="subxComment"># write(_test-stream, "Abc")</span> +<span id="L167" class="LineNr">167 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L168" class="LineNr">168 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L169" class="LineNr">169 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L170" class="LineNr">170 </span> <span class="subxS2Comment"># . . call</span> +<span id="L171" class="LineNr">171 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L172" class="LineNr">172 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L173" class="LineNr">173 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L174" class="LineNr">174 </span> <span class="subxComment"># eax = stream-data-equal?(_test-stream, "Abcd")</span> +<span id="L175" class="LineNr">175 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L176" class="LineNr">176 </span> 68/push <span class="Constant">"Abcd"</span>/imm32 +<span id="L177" class="LineNr">177 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . call</span> +<span id="L179" class="LineNr">179 </span> e8/call <a href='109stream-equal.subx.html#L12'>stream-data-equal?</a>/disp32 +<span id="L180" class="LineNr">180 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L181" class="LineNr">181 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L182" class="LineNr">182 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L183" class="LineNr">183 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L184" class="LineNr">184 </span> 68/push <span class="Constant">"F - test-stream-data-equal-size-check"</span>/imm32 +<span id="L185" class="LineNr">185 </span> 68/push 0/imm32 +<span id="L186" class="LineNr">186 </span> 50/push-eax +<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . call</span> +<span id="L188" class="LineNr">188 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L189" class="LineNr">189 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L190" class="LineNr">190 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L191" class="LineNr">191 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L192" class="LineNr">192 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L193" class="LineNr">193 </span> 5d/pop-to-ebp +<span id="L194" class="LineNr">194 </span> c3/return +<span id="L195" class="LineNr">195 </span> +<span id="L196" class="LineNr">196 </span><span class="subxComment"># helper for later tests</span> +<span id="L197" class="LineNr">197 </span><span class="subxFunction">check-stream-equal</span>: <span class="subxComment"># f: (addr stream byte), s: (addr array byte), msg: (addr array byte)</span> +<span id="L198" class="LineNr">198 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L199" class="LineNr">199 </span> 55/push-ebp +<span id="L200" class="LineNr">200 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L201" class="LineNr">201 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L202" class="LineNr">202 </span> 50/push-eax +<span id="L203" class="LineNr">203 </span> <span class="subxComment"># eax = stream-data-equal?(f, s)</span> +<span id="L204" class="LineNr">204 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L205" class="LineNr">205 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> +<span id="L206" class="LineNr">206 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L207" class="LineNr">207 </span> <span class="subxS2Comment"># . . call</span> +<span id="L208" class="LineNr">208 </span> e8/call <a href='109stream-equal.subx.html#L12'>stream-data-equal?</a>/disp32 +<span id="L209" class="LineNr">209 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L210" class="LineNr">210 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L211" class="LineNr">211 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L212" class="LineNr">212 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L213" class="LineNr">213 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+16)</span> +<span id="L214" class="LineNr">214 </span> 68/push 1/imm32 +<span id="L215" class="LineNr">215 </span> 50/push-eax +<span id="L216" class="LineNr">216 </span> <span class="subxS2Comment"># . . call</span> +<span id="L217" class="LineNr">217 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L218" class="LineNr">218 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L219" class="LineNr">219 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L220" class="LineNr">220 </span><span class="Constant">$check-stream-equal:end</span>: +<span id="L221" class="LineNr">221 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L222" class="LineNr">222 </span> 58/pop-to-eax +<span id="L223" class="LineNr">223 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L224" class="LineNr">224 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L225" class="LineNr">225 </span> 5d/pop-to-ebp +<span id="L226" class="LineNr">226 </span> c3/return +<span id="L227" class="LineNr">227 </span> +<span id="L228" class="LineNr">228 </span><span class="subxComment"># scan the next line until newline starting from f->read and compare it with</span> +<span id="L229" class="LineNr">229 </span><span class="subxComment"># 's' (ignoring the trailing newline)</span> +<span id="L230" class="LineNr">230 </span><span class="subxComment"># on success, set f->read to after the next newline</span> +<span id="L231" class="LineNr">231 </span><span class="subxComment"># on failure, leave f->read unmodified</span> +<span id="L232" class="LineNr">232 </span><span class="subxComment"># this function is usually used only in tests, so we repeatedly write f->read</span> +<span id="L233" class="LineNr">233 </span><span class="subxFunction">next-stream-line-equal?</span>: <span class="subxComment"># f: (addr stream byte), s: (addr array byte) -> result/eax: boolean</span> +<span id="L234" class="LineNr">234 </span> <span class="subxComment"># pseudocode:</span> +<span id="L235" class="LineNr">235 </span> <span class="subxComment"># currf = f->read # bound: f->write</span> +<span id="L236" class="LineNr">236 </span> <span class="subxComment"># currs = 0 # bound: s->size</span> +<span id="L237" class="LineNr">237 </span> <span class="subxComment"># while true</span> +<span id="L238" class="LineNr">238 </span> <span class="subxComment"># if currf >= f->write</span> +<span id="L239" class="LineNr">239 </span> <span class="subxComment"># return currs >= s->size</span> +<span id="L240" class="LineNr">240 </span> <span class="subxComment"># if f[currf] == '\n'</span> +<span id="L241" class="LineNr">241 </span> <span class="subxComment"># ++currf</span> +<span id="L242" class="LineNr">242 </span> <span class="subxComment"># return currs >= s->size</span> +<span id="L243" class="LineNr">243 </span> <span class="subxComment"># if (currs >= s->size) return false # the current line of f still has data to match</span> +<span id="L244" class="LineNr">244 </span> <span class="subxComment"># if (f[currf] != s[currs]) return false</span> +<span id="L245" class="LineNr">245 </span> <span class="subxComment"># ++currf</span> +<span id="L246" class="LineNr">246 </span> <span class="subxComment"># ++currs</span> +<span id="L247" class="LineNr">247 </span> <span class="subxComment">#</span> +<span id="L248" class="LineNr">248 </span> <span class="subxComment"># collapsing the two branches that can return true:</span> +<span id="L249" class="LineNr">249 </span> <span class="subxComment"># currf = f->read # bound: f->write</span> +<span id="L250" class="LineNr">250 </span> <span class="subxComment"># currs = 0 # bound: s->size</span> +<span id="L251" class="LineNr">251 </span> <span class="subxComment"># while true</span> +<span id="L252" class="LineNr">252 </span> <span class="subxComment"># if (currf >= f->write) break</span> +<span id="L253" class="LineNr">253 </span> <span class="subxComment"># if (f[currf] == '\n') break</span> +<span id="L254" class="LineNr">254 </span> <span class="subxComment"># if (currs >= s->size) return false # the current line of f still has data to match</span> +<span id="L255" class="LineNr">255 </span> <span class="subxComment"># if (f[currf] != s[currs]) return false</span> +<span id="L256" class="LineNr">256 </span> <span class="subxComment"># ++currf</span> +<span id="L257" class="LineNr">257 </span> <span class="subxComment"># ++currs</span> +<span id="L258" class="LineNr">258 </span> <span class="subxComment"># ++currf # skip '\n'</span> +<span id="L259" class="LineNr">259 </span> <span class="subxComment"># return currs >= s->size</span> +<span id="L260" class="LineNr">260 </span> <span class="subxComment"># Here the final `++currf` is sometimes unnecessary (if we're already at the end of the stream)</span> +<span id="L261" class="LineNr">261 </span> <span class="subxComment">#</span> +<span id="L262" class="LineNr">262 </span> <span class="subxComment"># registers:</span> +<span id="L263" class="LineNr">263 </span> <span class="subxComment"># f: esi</span> +<span id="L264" class="LineNr">264 </span> <span class="subxComment"># s: edi</span> +<span id="L265" class="LineNr">265 </span> <span class="subxComment"># currf: ecx</span> +<span id="L266" class="LineNr">266 </span> <span class="subxComment"># currs: edx</span> +<span id="L267" class="LineNr">267 </span> <span class="subxComment"># f[currf]: eax</span> +<span id="L268" class="LineNr">268 </span> <span class="subxComment"># s[currs]: ebx</span> +<span id="L269" class="LineNr">269 </span> <span class="subxComment">#</span> +<span id="L270" class="LineNr">270 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L271" class="LineNr">271 </span> 55/push-ebp +<span id="L272" class="LineNr">272 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L273" class="LineNr">273 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L274" class="LineNr">274 </span> 51/push-ecx +<span id="L275" class="LineNr">275 </span> 52/push-edx +<span id="L276" class="LineNr">276 </span> 56/push-esi +<span id="L277" class="LineNr">277 </span> 57/push-edi +<span id="L278" class="LineNr">278 </span> <span class="subxComment"># esi = f</span> +<span id="L279" class="LineNr">279 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L280" class="LineNr">280 </span> <span class="subxComment"># var currf/ecx: int = f->read</span> +<span id="L281" class="LineNr">281 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ecx</span> +<span id="L282" class="LineNr">282 </span> <span class="subxComment"># edi = s</span> +<span id="L283" class="LineNr">283 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edi</span> +<span id="L284" class="LineNr">284 </span> <span class="subxComment"># var currs/edx: int = 0</span> +<span id="L285" class="LineNr">285 </span> 31/xor 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear edx</span> +<span id="L286" class="LineNr">286 </span> <span class="subxComment"># var c1/eax: byte = 0</span> +<span id="L287" class="LineNr">287 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L288" class="LineNr">288 </span> <span class="subxComment"># var c2/ebx: byte = 0</span> +<span id="L289" class="LineNr">289 </span> 31/xor 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ebx</span> +<span id="L290" class="LineNr">290 </span><span class="Constant">$next-stream-line-equal?:loop</span>: +<span id="L291" class="LineNr">291 </span> <span class="subxComment"># if (currf >= f->write) break</span> +<span id="L292" class="LineNr">292 </span> 3b/compare 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with *esi</span> +<span id="L293" class="LineNr">293 </span> 7d/jump-if->= $next-stream-line-equal?:<span class="Constant">break</span>/disp8 +<span id="L294" class="LineNr">294 </span> <span class="subxComment"># c1 = f->data[f->read]</span> +<span id="L295" class="LineNr">295 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(esi+ecx+12) to AL</span> +<span id="L296" class="LineNr">296 </span> <span class="subxComment"># if (c1 == '\n') break</span> +<span id="L297" class="LineNr">297 </span> 3d/compare-eax-and 0xa/imm32/newline +<span id="L298" class="LineNr">298 </span> 74/jump-if-= $next-stream-line-equal?:<span class="Constant">break</span>/disp8 +<span id="L299" class="LineNr">299 </span> <span class="subxComment"># if (currs >= s->size) return false</span> +<span id="L300" class="LineNr">300 </span> 3b/compare 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare edx with *edi</span> +<span id="L301" class="LineNr">301 </span> 7d/jump-if->= $next-stream-line-equal?:false/disp8 +<span id="L302" class="LineNr">302 </span> <span class="subxComment"># c2 = s->data[currs]</span> +<span id="L303" class="LineNr">303 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/edi 2/index/edx <span class="Normal"> . </span> 3/r32/BL 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(edi+edx+4) to BL</span> +<span id="L304" class="LineNr">304 </span> <span class="subxComment"># if (c1 != c2) return false</span> +<span id="L305" class="LineNr">305 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax and ebx</span> +<span id="L306" class="LineNr">306 </span> 75/jump-if-!= $next-stream-line-equal?:false/disp8 +<span id="L307" class="LineNr">307 </span> <span class="subxComment"># ++currf</span> +<span id="L308" class="LineNr">308 </span> 41/increment-ecx +<span id="L309" class="LineNr">309 </span> <span class="subxComment"># ++currs</span> +<span id="L310" class="LineNr">310 </span> 42/increment-edx +<span id="L311" class="LineNr">311 </span> eb/jump $next-stream-line-equal?:<span class="Constant">loop</span>/disp8 +<span id="L312" class="LineNr">312 </span><span class="Constant">$next-stream-line-equal?:break</span>: +<span id="L313" class="LineNr">313 </span> <span class="subxComment"># ++currf</span> +<span id="L314" class="LineNr">314 </span> 41/increment-ecx +<span id="L315" class="LineNr">315 </span> <span class="subxComment"># if (currs >= s->size) return true</span> +<span id="L316" class="LineNr">316 </span> 3b/compare 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare edx with *edi</span> +<span id="L317" class="LineNr">317 </span> 7c/jump-if-< $next-stream-line-equal?:false/disp8 +<span id="L318" class="LineNr">318 </span><span class="Constant">$next-stream-line-equal?:true</span>: +<span id="L319" class="LineNr">319 </span> b8/copy-to-eax 1/imm32 +<span id="L320" class="LineNr">320 </span> <span class="subxComment"># persist f->read on success</span> +<span id="L321" class="LineNr">321 </span> 89/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx to *(esi+4)</span> +<span id="L322" class="LineNr">322 </span> eb/jump $next-stream-line-equal?:end/disp8 +<span id="L323" class="LineNr">323 </span><span class="Constant">$next-stream-line-equal?:false</span>: +<span id="L324" class="LineNr">324 </span> b8/copy-to-eax 0/imm32 +<span id="L325" class="LineNr">325 </span><span class="Constant">$next-stream-line-equal?:end</span>: +<span id="L326" class="LineNr">326 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L327" class="LineNr">327 </span> 5f/pop-to-edi +<span id="L328" class="LineNr">328 </span> 5e/pop-to-esi +<span id="L329" class="LineNr">329 </span> 5a/pop-to-edx +<span id="L330" class="LineNr">330 </span> 59/pop-to-ecx +<span id="L331" class="LineNr">331 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L332" class="LineNr">332 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L333" class="LineNr">333 </span> 5d/pop-to-ebp +<span id="L334" class="LineNr">334 </span> c3/return +<span id="L335" class="LineNr">335 </span> +<span id="L336" class="LineNr">336 </span><span class="subxTest">test-next-stream-line-equal-stops-at-newline</span>: +<span id="L337" class="LineNr">337 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L338" class="LineNr">338 </span> 55/push-ebp +<span id="L339" class="LineNr">339 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L340" class="LineNr">340 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L341" class="LineNr">341 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L342" class="LineNr">342 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L343" class="LineNr">343 </span> <span class="subxS2Comment"># . . call</span> +<span id="L344" class="LineNr">344 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L345" class="LineNr">345 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L346" class="LineNr">346 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L347" class="LineNr">347 </span> <span class="subxComment"># write(_test-stream, "Abc\ndef")</span> +<span id="L348" class="LineNr">348 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L349" class="LineNr">349 </span> 68/push <span class="Constant">"Abc\ndef"</span>/imm32 +<span id="L350" class="LineNr">350 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L351" class="LineNr">351 </span> <span class="subxS2Comment"># . . call</span> +<span id="L352" class="LineNr">352 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L353" class="LineNr">353 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L354" class="LineNr">354 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L355" class="LineNr">355 </span> <span class="subxComment"># eax = next-stream-line-equal?(_test-stream, "Abc")</span> +<span id="L356" class="LineNr">356 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L357" class="LineNr">357 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L358" class="LineNr">358 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L359" class="LineNr">359 </span> <span class="subxS2Comment"># . . call</span> +<span id="L360" class="LineNr">360 </span> e8/call <a href='109stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L361" class="LineNr">361 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L362" class="LineNr">362 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L363" class="LineNr">363 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L364" class="LineNr">364 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L365" class="LineNr">365 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-stops-at-newline"</span>/imm32 +<span id="L366" class="LineNr">366 </span> 68/push 1/imm32 +<span id="L367" class="LineNr">367 </span> 50/push-eax +<span id="L368" class="LineNr">368 </span> <span class="subxS2Comment"># . . call</span> +<span id="L369" class="LineNr">369 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L370" class="LineNr">370 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L371" class="LineNr">371 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L372" class="LineNr">372 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L373" class="LineNr">373 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L374" class="LineNr">374 </span> 5d/pop-to-ebp +<span id="L375" class="LineNr">375 </span> c3/return +<span id="L376" class="LineNr">376 </span> +<span id="L377" class="LineNr">377 </span><span class="subxTest">test-next-stream-line-equal-stops-at-newline-2</span>: +<span id="L378" class="LineNr">378 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L379" class="LineNr">379 </span> 55/push-ebp +<span id="L380" class="LineNr">380 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L381" class="LineNr">381 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L382" class="LineNr">382 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L383" class="LineNr">383 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L384" class="LineNr">384 </span> <span class="subxS2Comment"># . . call</span> +<span id="L385" class="LineNr">385 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L386" class="LineNr">386 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L387" class="LineNr">387 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L388" class="LineNr">388 </span> <span class="subxComment"># write(_test-stream, "Abc\ndef")</span> +<span id="L389" class="LineNr">389 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L390" class="LineNr">390 </span> 68/push <span class="Constant">"Abc\ndef"</span>/imm32 +<span id="L391" class="LineNr">391 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L392" class="LineNr">392 </span> <span class="subxS2Comment"># . . call</span> +<span id="L393" class="LineNr">393 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L394" class="LineNr">394 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L395" class="LineNr">395 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L396" class="LineNr">396 </span> <span class="subxComment"># eax = next-stream-line-equal?(_test-stream, "def")</span> +<span id="L397" class="LineNr">397 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L398" class="LineNr">398 </span> 68/push <span class="Constant">"def"</span>/imm32 +<span id="L399" class="LineNr">399 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L400" class="LineNr">400 </span> <span class="subxS2Comment"># . . call</span> +<span id="L401" class="LineNr">401 </span> e8/call <a href='109stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L402" class="LineNr">402 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L403" class="LineNr">403 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L404" class="LineNr">404 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L405" class="LineNr">405 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L406" class="LineNr">406 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-stops-at-newline-2"</span>/imm32 +<span id="L407" class="LineNr">407 </span> 68/push 0/imm32 +<span id="L408" class="LineNr">408 </span> 50/push-eax +<span id="L409" class="LineNr">409 </span> <span class="subxS2Comment"># . . call</span> +<span id="L410" class="LineNr">410 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L411" class="LineNr">411 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L412" class="LineNr">412 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L413" class="LineNr">413 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L414" class="LineNr">414 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L415" class="LineNr">415 </span> 5d/pop-to-ebp +<span id="L416" class="LineNr">416 </span> c3/return +<span id="L417" class="LineNr">417 </span> +<span id="L418" class="LineNr">418 </span><span class="subxTest">test-next-stream-line-equal-skips-newline</span>: +<span id="L419" class="LineNr">419 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L420" class="LineNr">420 </span> 55/push-ebp +<span id="L421" class="LineNr">421 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L422" class="LineNr">422 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L423" class="LineNr">423 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L424" class="LineNr">424 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L425" class="LineNr">425 </span> <span class="subxS2Comment"># . . call</span> +<span id="L426" class="LineNr">426 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L427" class="LineNr">427 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L428" class="LineNr">428 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L429" class="LineNr">429 </span> <span class="subxComment"># write(_test-stream, "Abc\ndef\n")</span> +<span id="L430" class="LineNr">430 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L431" class="LineNr">431 </span> 68/push <span class="Constant">"Abc\ndef\n"</span>/imm32 +<span id="L432" class="LineNr">432 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L433" class="LineNr">433 </span> <span class="subxS2Comment"># . . call</span> +<span id="L434" class="LineNr">434 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L435" class="LineNr">435 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L436" class="LineNr">436 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L437" class="LineNr">437 </span> <span class="subxComment"># next-stream-line-equal?(_test-stream, "Abc")</span> +<span id="L438" class="LineNr">438 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L439" class="LineNr">439 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L440" class="LineNr">440 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L441" class="LineNr">441 </span> <span class="subxS2Comment"># . . call</span> +<span id="L442" class="LineNr">442 </span> e8/call <a href='109stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L443" class="LineNr">443 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L444" class="LineNr">444 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L445" class="LineNr">445 </span> <span class="subxComment"># eax = next-stream-line-equal?(_test-stream, "def")</span> +<span id="L446" class="LineNr">446 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L447" class="LineNr">447 </span> 68/push <span class="Constant">"def"</span>/imm32 +<span id="L448" class="LineNr">448 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L449" class="LineNr">449 </span> <span class="subxS2Comment"># . . call</span> +<span id="L450" class="LineNr">450 </span> e8/call <a href='109stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L451" class="LineNr">451 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L452" class="LineNr">452 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L453" class="LineNr">453 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L454" class="LineNr">454 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L455" class="LineNr">455 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-skips-newline"</span>/imm32 +<span id="L456" class="LineNr">456 </span> 68/push 1/imm32 +<span id="L457" class="LineNr">457 </span> 50/push-eax +<span id="L458" class="LineNr">458 </span> <span class="subxS2Comment"># . . call</span> +<span id="L459" class="LineNr">459 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L460" class="LineNr">460 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L461" class="LineNr">461 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L462" class="LineNr">462 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L463" class="LineNr">463 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L464" class="LineNr">464 </span> 5d/pop-to-ebp +<span id="L465" class="LineNr">465 </span> c3/return +<span id="L466" class="LineNr">466 </span> +<span id="L467" class="LineNr">467 </span><span class="subxTest">test-next-stream-line-equal-handles-final-line</span>: +<span id="L468" class="LineNr">468 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L469" class="LineNr">469 </span> 55/push-ebp +<span id="L470" class="LineNr">470 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L471" class="LineNr">471 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L472" class="LineNr">472 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L473" class="LineNr">473 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L474" class="LineNr">474 </span> <span class="subxS2Comment"># . . call</span> +<span id="L475" class="LineNr">475 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L476" class="LineNr">476 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L477" class="LineNr">477 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L478" class="LineNr">478 </span> <span class="subxComment"># write(_test-stream, "Abc\ndef")</span> +<span id="L479" class="LineNr">479 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L480" class="LineNr">480 </span> 68/push <span class="Constant">"Abc\ndef"</span>/imm32 +<span id="L481" class="LineNr">481 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L482" class="LineNr">482 </span> <span class="subxS2Comment"># . . call</span> +<span id="L483" class="LineNr">483 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L484" class="LineNr">484 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L485" class="LineNr">485 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L486" class="LineNr">486 </span> <span class="subxComment"># next-stream-line-equal?(_test-stream, "Abc")</span> +<span id="L487" class="LineNr">487 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L488" class="LineNr">488 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L489" class="LineNr">489 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L490" class="LineNr">490 </span> <span class="subxS2Comment"># . . call</span> +<span id="L491" class="LineNr">491 </span> e8/call <a href='109stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L492" class="LineNr">492 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L493" class="LineNr">493 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L494" class="LineNr">494 </span> <span class="subxComment"># eax = next-stream-line-equal?(_test-stream, "def")</span> +<span id="L495" class="LineNr">495 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L496" class="LineNr">496 </span> 68/push <span class="Constant">"def"</span>/imm32 +<span id="L497" class="LineNr">497 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L498" class="LineNr">498 </span> <span class="subxS2Comment"># . . call</span> +<span id="L499" class="LineNr">499 </span> e8/call <a href='109stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L500" class="LineNr">500 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L501" class="LineNr">501 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L502" class="LineNr">502 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L503" class="LineNr">503 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L504" class="LineNr">504 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-skips-newline"</span>/imm32 +<span id="L505" class="LineNr">505 </span> 68/push 1/imm32 +<span id="L506" class="LineNr">506 </span> 50/push-eax +<span id="L507" class="LineNr">507 </span> <span class="subxS2Comment"># . . call</span> +<span id="L508" class="LineNr">508 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L509" class="LineNr">509 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L510" class="LineNr">510 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L511" class="LineNr">511 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L512" class="LineNr">512 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L513" class="LineNr">513 </span> 5d/pop-to-ebp +<span id="L514" class="LineNr">514 </span> c3/return +<span id="L515" class="LineNr">515 </span> +<span id="L516" class="LineNr">516 </span><span class="subxTest">test-next-stream-line-equal-always-fails-after-Eof</span>: +<span id="L517" class="LineNr">517 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L518" class="LineNr">518 </span> 55/push-ebp +<span id="L519" class="LineNr">519 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L520" class="LineNr">520 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L521" class="LineNr">521 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L522" class="LineNr">522 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L523" class="LineNr">523 </span> <span class="subxS2Comment"># . . call</span> +<span id="L524" class="LineNr">524 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L525" class="LineNr">525 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L526" class="LineNr">526 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L527" class="LineNr">527 </span> <span class="subxComment"># write nothing</span> +<span id="L528" class="LineNr">528 </span> <span class="subxComment"># eax = next-stream-line-equal?(_test-stream, "")</span> +<span id="L529" class="LineNr">529 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L530" class="LineNr">530 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L531" class="LineNr">531 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L532" class="LineNr">532 </span> <span class="subxS2Comment"># . . call</span> +<span id="L533" class="LineNr">533 </span> e8/call <a href='109stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L534" class="LineNr">534 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L535" class="LineNr">535 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L536" class="LineNr">536 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L537" class="LineNr">537 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L538" class="LineNr">538 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-always-fails-after-Eof"</span>/imm32 +<span id="L539" class="LineNr">539 </span> 68/push 1/imm32 +<span id="L540" class="LineNr">540 </span> 50/push-eax +<span id="L541" class="LineNr">541 </span> <span class="subxS2Comment"># . . call</span> +<span id="L542" class="LineNr">542 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L543" class="LineNr">543 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L544" class="LineNr">544 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L545" class="LineNr">545 </span> <span class="subxComment"># eax = next-stream-line-equal?(_test-stream, "")</span> +<span id="L546" class="LineNr">546 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L547" class="LineNr">547 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L548" class="LineNr">548 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L549" class="LineNr">549 </span> <span class="subxS2Comment"># . . call</span> +<span id="L550" class="LineNr">550 </span> e8/call <a href='109stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L551" class="LineNr">551 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L552" class="LineNr">552 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L553" class="LineNr">553 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L554" class="LineNr">554 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L555" class="LineNr">555 </span> 68/push <span class="Constant">"F - <a href='109stream-equal.subx.html#L516'>test-next-stream-line-equal-always-fails-after-Eof</a>/2"</span>/imm32 +<span id="L556" class="LineNr">556 </span> 68/push 1/imm32 +<span id="L557" class="LineNr">557 </span> 50/push-eax +<span id="L558" class="LineNr">558 </span> <span class="subxS2Comment"># . . call</span> +<span id="L559" class="LineNr">559 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L560" class="LineNr">560 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L561" class="LineNr">561 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L562" class="LineNr">562 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L563" class="LineNr">563 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L564" class="LineNr">564 </span> 5d/pop-to-ebp +<span id="L565" class="LineNr">565 </span> c3/return +<span id="L566" class="LineNr">566 </span> +<span id="L567" class="LineNr">567 </span><span class="subxComment"># helper for later tests</span> +<span id="L568" class="LineNr">568 </span><span class="subxFunction">check-next-stream-line-equal</span>: <span class="subxComment"># f: (addr stream byte), s: (addr array byte), msg: (addr array byte)</span> +<span id="L569" class="LineNr">569 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L570" class="LineNr">570 </span> 55/push-ebp +<span id="L571" class="LineNr">571 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L572" class="LineNr">572 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L573" class="LineNr">573 </span> 50/push-eax +<span id="L574" class="LineNr">574 </span> <span class="subxComment"># eax = next-stream-line-equal?(f, s)</span> +<span id="L575" class="LineNr">575 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L576" class="LineNr">576 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> +<span id="L577" class="LineNr">577 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L578" class="LineNr">578 </span> <span class="subxS2Comment"># . . call</span> +<span id="L579" class="LineNr">579 </span> e8/call <a href='109stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L580" class="LineNr">580 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L581" class="LineNr">581 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L582" class="LineNr">582 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L583" class="LineNr">583 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L584" class="LineNr">584 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+16)</span> +<span id="L585" class="LineNr">585 </span> 68/push 1/imm32 +<span id="L586" class="LineNr">586 </span> 50/push-eax +<span id="L587" class="LineNr">587 </span> <span class="subxS2Comment"># . . call</span> +<span id="L588" class="LineNr">588 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L589" class="LineNr">589 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L590" class="LineNr">590 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L591" class="LineNr">591 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L592" class="LineNr">592 </span> 58/pop-to-eax +<span id="L593" class="LineNr">593 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L594" class="LineNr">594 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L595" class="LineNr">595 </span> 5d/pop-to-ebp +<span id="L596" class="LineNr">596 </span> c3/return +<span id="L597" class="LineNr">597 </span> +<span id="L598" class="LineNr">598 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> diff --git a/html/baremetal/112read-byte.subx.html b/html/baremetal/112read-byte.subx.html index 553a564c..1ae80edd 100644 --- a/html/baremetal/112read-byte.subx.html +++ b/html/baremetal/112read-byte.subx.html @@ -56,44 +56,54 @@ if ('onhashchange' in window) { <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/baremetal/112read-byte.subx'>https://github.com/akkartik/mu/blob/main/baremetal/112read-byte.subx</a> <pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span>== code -<span id="L2" class="LineNr"> 2 </span><span class="subxComment"># instruction effective address register displacement immediate</span> -<span id="L3" class="LineNr"> 3 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> -<span id="L4" class="LineNr"> 4 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Read a single byte from a stream.</span> +<span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span> +<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># We need to do this in machine code because streams need to be opaque types,</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># and we don't yet support opaque types in Mu.</span> <span id="L5" class="LineNr"> 5 </span> -<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># TODO: read-byte-buffered</span> -<span id="L7" class="LineNr"> 7 </span> -<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># Return next byte value in eax, with top 3 bytes cleared.</span> -<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># Abort on reaching end of stream.</span> -<span id="L10" class="LineNr">10 </span><span class="subxFunction">read-byte</span>: <span class="subxComment"># s: (addr stream byte) -> result/eax: byte</span> -<span id="L11" class="LineNr">11 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L12" class="LineNr">12 </span> 55/push-ebp -<span id="L13" class="LineNr">13 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> -<span id="L14" class="LineNr">14 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L15" class="LineNr">15 </span> 51/push-ecx -<span id="L16" class="LineNr">16 </span> 56/push-esi -<span id="L17" class="LineNr">17 </span> <span class="subxComment"># esi = s</span> -<span id="L18" class="LineNr">18 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> -<span id="L19" class="LineNr">19 </span> <span class="subxComment"># ecx = s->read</span> -<span id="L20" class="LineNr">20 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ecx</span> -<span id="L21" class="LineNr">21 </span> <span class="subxComment"># if (f->read >= f->write) abort</span> -<span id="L22" class="LineNr">22 </span> 3b/compare 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with *esi</span> -<span id="L23" class="LineNr">23 </span> 0f 8d/jump-if->= $read-byte:end/disp32 <span class="subxComment"># TODO: abort</span> -<span id="L24" class="LineNr">24 </span> <span class="subxComment"># result = f->data[f->read]</span> -<span id="L25" class="LineNr">25 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> -<span id="L26" class="LineNr">26 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(esi+ecx+12) to AL</span> -<span id="L27" class="LineNr">27 </span> <span class="subxComment"># ++f->read</span> -<span id="L28" class="LineNr">28 </span> ff 0/subop/increment 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># increment *(esi+4)</span> -<span id="L29" class="LineNr">29 </span><span class="Constant">$read-byte:end</span>: -<span id="L30" class="LineNr">30 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L31" class="LineNr">31 </span> 5e/pop-to-esi -<span id="L32" class="LineNr">32 </span> 59/pop-to-ecx -<span id="L33" class="LineNr">33 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L34" class="LineNr">34 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> -<span id="L35" class="LineNr">35 </span> 5d/pop-to-ebp -<span id="L36" class="LineNr">36 </span> c3/return -<span id="L37" class="LineNr">37 </span> -<span id="L38" class="LineNr">38 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L6" class="LineNr"> 6 </span>== code +<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># instruction effective address register displacement immediate</span> +<span id="L8" class="LineNr"> 8 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L10" class="LineNr">10 </span> +<span id="L11" class="LineNr">11 </span><span class="subxComment"># Return next byte value in eax, with top 3 bytes cleared.</span> +<span id="L12" class="LineNr">12 </span><span class="subxComment"># Abort on reaching end of stream.</span> +<span id="L13" class="LineNr">13 </span><span class="subxFunction">read-byte</span>: <span class="subxComment"># s: (addr stream byte) -> result/eax: byte</span> +<span id="L14" class="LineNr">14 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L15" class="LineNr">15 </span> 55/push-ebp +<span id="L16" class="LineNr">16 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L17" class="LineNr">17 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L18" class="LineNr">18 </span> 51/push-ecx +<span id="L19" class="LineNr">19 </span> 56/push-esi +<span id="L20" class="LineNr">20 </span> <span class="subxComment"># esi = s</span> +<span id="L21" class="LineNr">21 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L22" class="LineNr">22 </span> <span class="subxComment"># ecx = s->read</span> +<span id="L23" class="LineNr">23 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ecx</span> +<span id="L24" class="LineNr">24 </span> <span class="subxComment"># if (f->read >= f->write) abort</span> +<span id="L25" class="LineNr">25 </span> 3b/compare 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with *esi</span> +<span id="L26" class="LineNr">26 </span> 0f 8d/jump-if->= $read-byte:abort/disp32 +<span id="L27" class="LineNr">27 </span> <span class="subxComment"># result = f->data[f->read]</span> +<span id="L28" class="LineNr">28 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L29" class="LineNr">29 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(esi+ecx+12) to AL</span> +<span id="L30" class="LineNr">30 </span> <span class="subxComment"># ++f->read</span> +<span id="L31" class="LineNr">31 </span> ff 0/subop/increment 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># increment *(esi+4)</span> +<span id="L32" class="LineNr">32 </span><span class="Constant">$read-byte:end</span>: +<span id="L33" class="LineNr">33 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L34" class="LineNr">34 </span> 5e/pop-to-esi +<span id="L35" class="LineNr">35 </span> 59/pop-to-ecx +<span id="L36" class="LineNr">36 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L37" class="LineNr">37 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L38" class="LineNr">38 </span> 5d/pop-to-ebp +<span id="L39" class="LineNr">39 </span> c3/return +<span id="L40" class="LineNr">40 </span> +<span id="L41" class="LineNr">41 </span><span class="Constant">$read-byte:abort</span>: +<span id="L42" class="LineNr">42 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"read-byte: empty stream"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L43" class="LineNr">43 </span> { +<span id="L44" class="LineNr">44 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L45" class="LineNr">45 </span> } +<span id="L46" class="LineNr">46 </span> <span class="subxComment"># never gets here</span> +<span id="L47" class="LineNr">47 </span> +<span id="L48" class="LineNr">48 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/baremetal/115write-byte.subx.html b/html/baremetal/115write-byte.subx.html index 1a23343f..463ddc4d 100644 --- a/html/baremetal/115write-byte.subx.html +++ b/html/baremetal/115write-byte.subx.html @@ -14,11 +14,13 @@ pre { font-family: monospace; color: #000000; background-color: #c6c6c6; } body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } +.subxH1Comment { color: #005faf; text-decoration: underline; } .subxComment { color: #005faf; } .subxS1Comment { color: #0000af; } .subxS2Comment { color: #8a8a8a; } .LineNr { } .Constant { color: #008787; } +.subxTest { color: #5f8700; } .subxFunction { color: #af5f00; text-decoration: underline; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } --> @@ -56,44 +58,86 @@ if ('onhashchange' in window) { <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/baremetal/115write-byte.subx'>https://github.com/akkartik/mu/blob/main/baremetal/115write-byte.subx</a> <pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span>== code -<span id="L2" class="LineNr"> 2 </span><span class="subxComment"># instruction effective address register displacement immediate</span> -<span id="L3" class="LineNr"> 3 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> -<span id="L4" class="LineNr"> 4 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Write a single byte to a stream.</span> +<span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span> +<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># We need to do this in machine code because streams need to be opaque types,</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># and we don't yet support opaque types in Mu.</span> <span id="L5" class="LineNr"> 5 </span> -<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># Write lower byte of 'n' to 'f'.</span> -<span id="L7" class="LineNr"> 7 </span><span class="subxFunction">append-byte</span>: <span class="subxComment"># f: (addr stream byte), n: int</span> -<span id="L8" class="LineNr"> 8 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L9" class="LineNr"> 9 </span> 55/push-ebp -<span id="L10" class="LineNr">10 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> -<span id="L11" class="LineNr">11 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L12" class="LineNr">12 </span> 51/push-ecx -<span id="L13" class="LineNr">13 </span> 57/push-edi -<span id="L14" class="LineNr">14 </span> <span class="subxComment"># edi = f</span> -<span id="L15" class="LineNr">15 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span> -<span id="L16" class="LineNr">16 </span> <span class="subxComment"># ecx = f->write</span> -<span id="L17" class="LineNr">17 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to ecx</span> -<span id="L18" class="LineNr">18 </span> <span class="subxComment"># if (f->write >= f->size) abort</span> -<span id="L19" class="LineNr">19 </span> 3b/compare 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare ecx with *(edi+8)</span> -<span id="L20" class="LineNr">20 </span> 7d/jump-if->= $append-byte:end/disp8 <span class="subxComment"># TODO: abort</span> -<span id="L21" class="LineNr">21 </span><span class="Constant">$append-byte:to-stream</span>: -<span id="L22" class="LineNr">22 </span> <span class="subxComment"># write to stream</span> -<span id="L23" class="LineNr">23 </span> <span class="subxComment"># f->data[f->write] = LSB(n)</span> -<span id="L24" class="LineNr">24 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> -<span id="L25" class="LineNr">25 </span> 8a/copy-byte 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ebp+12) to AL</span> -<span id="L26" class="LineNr">26 </span> 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/edi 1/index/ecx <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy AL to *(edi+ecx+12)</span> -<span id="L27" class="LineNr">27 </span> <span class="subxComment"># ++f->write</span> -<span id="L28" class="LineNr">28 </span> ff 0/subop/increment 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># increment *edi</span> -<span id="L29" class="LineNr">29 </span><span class="Constant">$append-byte:end</span>: -<span id="L30" class="LineNr">30 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L31" class="LineNr">31 </span> 5f/pop-to-edi -<span id="L32" class="LineNr">32 </span> 59/pop-to-ecx -<span id="L33" class="LineNr">33 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L34" class="LineNr">34 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> -<span id="L35" class="LineNr">35 </span> 5d/pop-to-ebp -<span id="L36" class="LineNr">36 </span> c3/return -<span id="L37" class="LineNr">37 </span> -<span id="L38" class="LineNr">38 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L6" class="LineNr"> 6 </span>== code +<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># instruction effective address register displacement immediate</span> +<span id="L8" class="LineNr"> 8 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L10" class="LineNr">10 </span> +<span id="L11" class="LineNr">11 </span><span class="subxComment"># Write lower byte of 'n' to 'f'.</span> +<span id="L12" class="LineNr">12 </span><span class="subxFunction">append-byte</span>: <span class="subxComment"># f: (addr stream byte), n: int</span> +<span id="L13" class="LineNr">13 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L14" class="LineNr">14 </span> 55/push-ebp +<span id="L15" class="LineNr">15 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L16" class="LineNr">16 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L17" class="LineNr">17 </span> 51/push-ecx +<span id="L18" class="LineNr">18 </span> 57/push-edi +<span id="L19" class="LineNr">19 </span> <span class="subxComment"># edi = f</span> +<span id="L20" class="LineNr">20 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span> +<span id="L21" class="LineNr">21 </span> <span class="subxComment"># ecx = f->write</span> +<span id="L22" class="LineNr">22 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to ecx</span> +<span id="L23" class="LineNr">23 </span> <span class="subxComment"># if (f->write >= f->size) abort</span> +<span id="L24" class="LineNr">24 </span> 3b/compare 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare ecx with *(edi+8)</span> +<span id="L25" class="LineNr">25 </span> 7d/jump-if->= $append-byte:abort/disp8 +<span id="L26" class="LineNr">26 </span><span class="Constant">$append-byte:to-stream</span>: +<span id="L27" class="LineNr">27 </span> <span class="subxComment"># write to stream</span> +<span id="L28" class="LineNr">28 </span> <span class="subxComment"># f->data[f->write] = LSB(n)</span> +<span id="L29" class="LineNr">29 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L30" class="LineNr">30 </span> 8a/copy-byte 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ebp+12) to AL</span> +<span id="L31" class="LineNr">31 </span> 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/edi 1/index/ecx <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy AL to *(edi+ecx+12)</span> +<span id="L32" class="LineNr">32 </span> <span class="subxComment"># ++f->write</span> +<span id="L33" class="LineNr">33 </span> ff 0/subop/increment 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># increment *edi</span> +<span id="L34" class="LineNr">34 </span><span class="Constant">$append-byte:end</span>: +<span id="L35" class="LineNr">35 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L36" class="LineNr">36 </span> 5f/pop-to-edi +<span id="L37" class="LineNr">37 </span> 59/pop-to-ecx +<span id="L38" class="LineNr">38 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L39" class="LineNr">39 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L40" class="LineNr">40 </span> 5d/pop-to-ebp +<span id="L41" class="LineNr">41 </span> c3/return +<span id="L42" class="LineNr">42 </span> +<span id="L43" class="LineNr">43 </span><span class="Constant">$append-byte:abort</span>: +<span id="L44" class="LineNr">44 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"append-byte: out of space\n"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L45" class="LineNr">45 </span> { +<span id="L46" class="LineNr">46 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L47" class="LineNr">47 </span> } +<span id="L48" class="LineNr">48 </span> <span class="subxComment"># never gets here</span> +<span id="L49" class="LineNr">49 </span> +<span id="L50" class="LineNr">50 </span><span class="subxTest">test-append-byte-single</span>: +<span id="L51" class="LineNr">51 </span> <span class="subxH1Comment"># - check that append-byte writes to first byte of 'file'</span> +<span id="L52" class="LineNr">52 </span> <span class="subxComment"># setup</span> +<span id="L53" class="LineNr">53 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L54" class="LineNr">54 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L55" class="LineNr">55 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L56" class="LineNr">56 </span> <span class="subxS2Comment"># . . call</span> +<span id="L57" class="LineNr">57 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L58" class="LineNr">58 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L59" class="LineNr">59 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L60" class="LineNr">60 </span> <span class="subxComment"># append-byte(_test-stream, 'A')</span> +<span id="L61" class="LineNr">61 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L62" class="LineNr">62 </span> 68/push 0x41/imm32 +<span id="L63" class="LineNr">63 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L64" class="LineNr">64 </span> <span class="subxS2Comment"># . . call</span> +<span id="L65" class="LineNr">65 </span> e8/call <a href='115write-byte.subx.html#L12'>append-byte</a>/disp32 +<span id="L66" class="LineNr">66 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L67" class="LineNr">67 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L68" class="LineNr">68 </span> <span class="subxComment"># check-stream-equal(_test-stream, "A", msg)</span> +<span id="L69" class="LineNr">69 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L70" class="LineNr">70 </span> 68/push <span class="Constant">"F - test-append-byte-single"</span>/imm32 +<span id="L71" class="LineNr">71 </span> 68/push <span class="Constant">"A"</span>/imm32 +<span id="L72" class="LineNr">72 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L73" class="LineNr">73 </span> <span class="subxS2Comment"># . . call</span> +<span id="L74" class="LineNr">74 </span> e8/call <a href='109stream-equal.subx.html#L197'>check-stream-equal</a>/disp32 +<span id="L75" class="LineNr">75 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L76" class="LineNr">76 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L77" class="LineNr">77 </span> <span class="subxS1Comment"># . end</span> +<span id="L78" class="LineNr">78 </span> c3/return +<span id="L79" class="LineNr">79 </span> +<span id="L80" class="LineNr">80 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/baremetal/117write-int-hex.subx.html b/html/baremetal/117write-int-hex.subx.html new file mode 100644 index 00000000..00b68fdd --- /dev/null +++ b/html/baremetal/117write-int-hex.subx.html @@ -0,0 +1,266 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - baremetal/117write-int-hex.subx</title> +<meta name="Generator" content="Vim/8.1"> +<meta name="plugin-version" content="vim8.1_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="number_lines,use_css,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.subxH1Comment { color: #005faf; text-decoration: underline; } +.subxComment { color: #005faf; } +.subxS1Comment { color: #0000af; } +.subxS2Comment { color: #8a8a8a; } +.LineNr { } +.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } +.subxTest { color: #5f8700; } +.subxFunction { color: #af5f00; text-decoration: underline; } +.Constant { color: #008787; } +--> +</style> + +<script type='text/javascript'> +<!-- + +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + var lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + +--> +</script> +</head> +<body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/main/baremetal/117write-int-hex.subx'>https://github.com/akkartik/mu/blob/main/baremetal/117write-int-hex.subx</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Write out the (hex) textual representation of numbers.</span> +<span id="L2" class="LineNr"> 2 </span> +<span id="L3" class="LineNr"> 3 </span>== code +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># instruction effective address register displacement immediate</span> +<span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> +<span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L7" class="LineNr"> 7 </span> +<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># convert the lowest nibble of eax to ascii and return it in the lowest byte of eax</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxFunction">to-hex-char</span>: <span class="subxComment"># in/eax: int -> out/eax: int</span> +<span id="L10" class="LineNr"> 10 </span> <span class="subxComment"># no error checking; accepts argument in eax</span> +<span id="L11" class="LineNr"> 11 </span> <span class="subxComment"># if (eax <= 9) return eax + '0'</span> +<span id="L12" class="LineNr"> 12 </span> 3d/compare-eax-with 0x9/imm32/9 +<span id="L13" class="LineNr"> 13 </span> 7f/jump-if-> $to-hex-char:else/disp8 +<span id="L14" class="LineNr"> 14 </span> 05/add-to-eax 0x30/imm32/0 +<span id="L15" class="LineNr"> 15 </span> c3/return +<span id="L16" class="LineNr"> 16 </span><span class="Constant">$to-hex-char:else</span>: +<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># otherwise return eax + 'a' - 10</span> +<span id="L18" class="LineNr"> 18 </span> 05/add-to-eax 0x57/imm32/a-10 +<span id="L19" class="LineNr"> 19 </span> c3/return +<span id="L20" class="LineNr"> 20 </span> +<span id="L21" class="LineNr"> 21 </span><span class="subxFunction">append-byte-hex</span>: <span class="subxComment"># f: (addr stream byte), n: int</span> +<span id="L22" class="LineNr"> 22 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L23" class="LineNr"> 23 </span> 55/push-ebp +<span id="L24" class="LineNr"> 24 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L25" class="LineNr"> 25 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L26" class="LineNr"> 26 </span> 50/push-eax +<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># AL = convert upper nibble to hex</span> +<span id="L28" class="LineNr"> 28 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to eax</span> +<span id="L29" class="LineNr"> 29 </span> c1/shift 5/subop/logic-right 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm8 <span class="subxComment"># shift eax right by 4 bits, while padding zeroes</span> +<span id="L30" class="LineNr"> 30 </span> 25/and-eax 0xf/imm32 +<span id="L31" class="LineNr"> 31 </span> <span class="subxS1Comment"># . AL = to-hex-char(AL)</span> +<span id="L32" class="LineNr"> 32 </span> e8/call <a href='117write-int-hex.subx.html#L9'>to-hex-char</a>/disp32 +<span id="L33" class="LineNr"> 33 </span> <span class="subxComment"># append-byte(f, AL)</span> +<span id="L34" class="LineNr"> 34 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L35" class="LineNr"> 35 </span> 50/push-eax +<span id="L36" class="LineNr"> 36 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L37" class="LineNr"> 37 </span> <span class="subxS2Comment"># . . call</span> +<span id="L38" class="LineNr"> 38 </span> e8/call <a href='115write-byte.subx.html#L12'>append-byte</a>/disp32 +<span id="L39" class="LineNr"> 39 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L40" class="LineNr"> 40 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># AL = convert lower nibble to hex</span> +<span id="L42" class="LineNr"> 42 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to eax</span> +<span id="L43" class="LineNr"> 43 </span> 25/and-eax 0xf/imm32 +<span id="L44" class="LineNr"> 44 </span> <span class="subxS1Comment"># . AL = to-hex-char(AL)</span> +<span id="L45" class="LineNr"> 45 </span> e8/call <a href='117write-int-hex.subx.html#L9'>to-hex-char</a>/disp32 +<span id="L46" class="LineNr"> 46 </span> <span class="subxComment"># append-byte(f, AL)</span> +<span id="L47" class="LineNr"> 47 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L48" class="LineNr"> 48 </span> 50/push-eax +<span id="L49" class="LineNr"> 49 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L50" class="LineNr"> 50 </span> <span class="subxS2Comment"># . . call</span> +<span id="L51" class="LineNr"> 51 </span> e8/call <a href='115write-byte.subx.html#L12'>append-byte</a>/disp32 +<span id="L52" class="LineNr"> 52 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L53" class="LineNr"> 53 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L54" class="LineNr"> 54 </span><span class="Constant">$append-byte-hex:end</span>: +<span id="L55" class="LineNr"> 55 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L56" class="LineNr"> 56 </span> 58/pop-to-eax +<span id="L57" class="LineNr"> 57 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L58" class="LineNr"> 58 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L59" class="LineNr"> 59 </span> 5d/pop-to-ebp +<span id="L60" class="LineNr"> 60 </span> c3/return +<span id="L61" class="LineNr"> 61 </span> +<span id="L62" class="LineNr"> 62 </span><span class="subxTest">test-append-byte-hex</span>: +<span id="L63" class="LineNr"> 63 </span> <span class="subxH1Comment"># - check that append-byte-hex adds the hex textual representation</span> +<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># setup</span> +<span id="L65" class="LineNr"> 65 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L66" class="LineNr"> 66 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L67" class="LineNr"> 67 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L68" class="LineNr"> 68 </span> <span class="subxS2Comment"># . . call</span> +<span id="L69" class="LineNr"> 69 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L70" class="LineNr"> 70 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L71" class="LineNr"> 71 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L72" class="LineNr"> 72 </span> <span class="subxComment"># append-byte-hex(_test-stream, 0xa) # exercises digit, non-digit as well as leading zero</span> +<span id="L73" class="LineNr"> 73 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L74" class="LineNr"> 74 </span> 68/push 0xa/imm32 +<span id="L75" class="LineNr"> 75 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L76" class="LineNr"> 76 </span> <span class="subxS2Comment"># . . call</span> +<span id="L77" class="LineNr"> 77 </span> e8/call <a href='117write-int-hex.subx.html#L21'>append-byte-hex</a>/disp32 +<span id="L78" class="LineNr"> 78 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L79" class="LineNr"> 79 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L80" class="LineNr"> 80 </span> <span class="subxComment"># check-stream-equal(_test-stream, "0a", msg)</span> +<span id="L81" class="LineNr"> 81 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L82" class="LineNr"> 82 </span> 68/push <span class="Constant">"F - test-append-byte-hex"</span>/imm32 +<span id="L83" class="LineNr"> 83 </span> 68/push <span class="Constant">"0a"</span>/imm32 +<span id="L84" class="LineNr"> 84 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L85" class="LineNr"> 85 </span> <span class="subxS2Comment"># . . call</span> +<span id="L86" class="LineNr"> 86 </span> e8/call <a href='109stream-equal.subx.html#L197'>check-stream-equal</a>/disp32 +<span id="L87" class="LineNr"> 87 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L88" class="LineNr"> 88 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L89" class="LineNr"> 89 </span> <span class="subxS1Comment"># . end</span> +<span id="L90" class="LineNr"> 90 </span> c3/return +<span id="L91" class="LineNr"> 91 </span> +<span id="L92" class="LineNr"> 92 </span><span class="subxFunction">write-int32-hex</span>: <span class="subxComment"># f: (addr stream byte), n: int</span> +<span id="L93" class="LineNr"> 93 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L94" class="LineNr"> 94 </span> 55/push-ebp +<span id="L95" class="LineNr"> 95 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L96" class="LineNr"> 96 </span><span class="Constant">$write-int32-hex:hex-prefix</span>: +<span id="L97" class="LineNr"> 97 </span> <span class="subxComment"># write(f, "0x")</span> +<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L99" class="LineNr"> 99 </span> 68/push <span class="Constant">"0x"</span>/imm32 +<span id="L100" class="LineNr">100 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L101" class="LineNr">101 </span> <span class="subxS2Comment"># . . call</span> +<span id="L102" class="LineNr">102 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L103" class="LineNr">103 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L104" class="LineNr">104 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L105" class="LineNr">105 </span><span class="Constant">$write-int32-hex:rest</span>: +<span id="L106" class="LineNr">106 </span> <span class="subxComment"># write-int32-hex-bits(f, n, 32)</span> +<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L108" class="LineNr">108 </span> 68/push 0x20/imm32 +<span id="L109" class="LineNr">109 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> +<span id="L110" class="LineNr">110 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L111" class="LineNr">111 </span> <span class="subxS2Comment"># . . call</span> +<span id="L112" class="LineNr">112 </span> e8/call <a href='117write-int-hex.subx.html#L123'>write-int32-hex-bits</a>/disp32 +<span id="L113" class="LineNr">113 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L114" class="LineNr">114 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L115" class="LineNr">115 </span><span class="Constant">$write-int32-hex:end</span>: +<span id="L116" class="LineNr">116 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L117" class="LineNr">117 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L118" class="LineNr">118 </span> 5d/pop-to-ebp +<span id="L119" class="LineNr">119 </span> c3/return +<span id="L120" class="LineNr">120 </span> +<span id="L121" class="LineNr">121 </span><span class="subxComment"># print rightmost 'bits' of 'n'</span> +<span id="L122" class="LineNr">122 </span><span class="subxComment"># bits must be multiple of 4</span> +<span id="L123" class="LineNr">123 </span><span class="subxFunction">write-int32-hex-bits</span>: <span class="subxComment"># f: (addr stream byte), n: int, bits: int</span> +<span id="L124" class="LineNr">124 </span> <span class="subxComment"># pseudocode:</span> +<span id="L125" class="LineNr">125 </span> <span class="subxComment"># bits -= 4</span> +<span id="L126" class="LineNr">126 </span> <span class="subxComment"># while true</span> +<span id="L127" class="LineNr">127 </span> <span class="subxComment"># if (bits < 0) break</span> +<span id="L128" class="LineNr">128 </span> <span class="subxComment"># eax = n >> bits</span> +<span id="L129" class="LineNr">129 </span> <span class="subxComment"># eax = eax & 0xf</span> +<span id="L130" class="LineNr">130 </span> <span class="subxComment"># append-byte(f, AL)</span> +<span id="L131" class="LineNr">131 </span> <span class="subxComment"># bits -= 4</span> +<span id="L132" class="LineNr">132 </span> <span class="subxComment">#</span> +<span id="L133" class="LineNr">133 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L134" class="LineNr">134 </span> 55/push-ebp +<span id="L135" class="LineNr">135 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L136" class="LineNr">136 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L137" class="LineNr">137 </span> 50/push-eax +<span id="L138" class="LineNr">138 </span> 51/push-ecx +<span id="L139" class="LineNr">139 </span> <span class="subxComment"># ecx = bits-4</span> +<span id="L140" class="LineNr">140 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to ecx</span> +<span id="L141" class="LineNr">141 </span> 81 5/subop/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># subtract from ecx</span> +<span id="L142" class="LineNr">142 </span><span class="Constant">$write-int32-hex-bits:loop</span>: +<span id="L143" class="LineNr">143 </span> <span class="subxComment"># if (bits < 0) break</span> +<span id="L144" class="LineNr">144 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare ecx</span> +<span id="L145" class="LineNr">145 </span> 7c/jump-if-< $write-int32-hex-bits:end/disp8 +<span id="L146" class="LineNr">146 </span> <span class="subxComment"># eax = n >> bits</span> +<span id="L147" class="LineNr">147 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to eax</span> +<span id="L148" class="LineNr">148 </span> d3/>>ecx 5/subop/pad-zeroes 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># shift eax right by ecx bits, padding zeroes</span> +<span id="L149" class="LineNr">149 </span> <span class="subxComment"># eax = to-hex-char(AL)</span> +<span id="L150" class="LineNr">150 </span> 25/and-eax 0xf/imm32 +<span id="L151" class="LineNr">151 </span> e8/call <a href='117write-int-hex.subx.html#L9'>to-hex-char</a>/disp32 +<span id="L152" class="LineNr">152 </span> <span class="subxComment"># append-byte(f, AL)</span> +<span id="L153" class="LineNr">153 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L154" class="LineNr">154 </span> 50/push-eax +<span id="L155" class="LineNr">155 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . call</span> +<span id="L157" class="LineNr">157 </span> e8/call <a href='115write-byte.subx.html#L12'>append-byte</a>/disp32 +<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L159" class="LineNr">159 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L160" class="LineNr">160 </span> <span class="subxComment"># bits -= 4</span> +<span id="L161" class="LineNr">161 </span> 81 5/subop/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># subtract from ecx</span> +<span id="L162" class="LineNr">162 </span> eb/jump $write-int32-hex-bits:<span class="Constant">loop</span>/disp8 +<span id="L163" class="LineNr">163 </span><span class="Constant">$write-int32-hex-bits:end</span>: +<span id="L164" class="LineNr">164 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L165" class="LineNr">165 </span> 59/pop-to-ecx +<span id="L166" class="LineNr">166 </span> 58/pop-to-eax +<span id="L167" class="LineNr">167 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L168" class="LineNr">168 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L169" class="LineNr">169 </span> 5d/pop-to-ebp +<span id="L170" class="LineNr">170 </span> c3/return +<span id="L171" class="LineNr">171 </span> +<span id="L172" class="LineNr">172 </span><span class="subxTest">test-write-int32-hex</span>: +<span id="L173" class="LineNr">173 </span> <span class="subxH1Comment"># - check that write-int32-hex prints the hex textual representation</span> +<span id="L174" class="LineNr">174 </span> <span class="subxComment"># setup</span> +<span id="L175" class="LineNr">175 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L177" class="LineNr">177 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . call</span> +<span id="L179" class="LineNr">179 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L180" class="LineNr">180 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L181" class="LineNr">181 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L182" class="LineNr">182 </span> <span class="subxComment"># write-int32-hex(_test-stream, 0x8899aa)</span> +<span id="L183" class="LineNr">183 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L184" class="LineNr">184 </span> 68/push 0x8899aa/imm32 +<span id="L185" class="LineNr">185 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L186" class="LineNr">186 </span> <span class="subxS2Comment"># . . call</span> +<span id="L187" class="LineNr">187 </span> e8/call <a href='117write-int-hex.subx.html#L92'>write-int32-hex</a>/disp32 +<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L189" class="LineNr">189 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L190" class="LineNr">190 </span> <span class="subxComment"># check-stream-equal(_test-stream, "0x008899aa", msg)</span> +<span id="L191" class="LineNr">191 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L192" class="LineNr">192 </span> 68/push <span class="Constant">"F - test-write-int32-hex"</span>/imm32 +<span id="L193" class="LineNr">193 </span> 68/push <span class="Constant">"0x008899aa"</span>/imm32 +<span id="L194" class="LineNr">194 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L195" class="LineNr">195 </span> <span class="subxS2Comment"># . . call</span> +<span id="L196" class="LineNr">196 </span> e8/call <a href='109stream-equal.subx.html#L197'>check-stream-equal</a>/disp32 +<span id="L197" class="LineNr">197 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L198" class="LineNr">198 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L199" class="LineNr">199 </span> <span class="subxS1Comment"># . end</span> +<span id="L200" class="LineNr">200 </span> c3/return +<span id="L201" class="LineNr">201 </span> +<span id="L202" class="LineNr">202 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> diff --git a/html/baremetal/120allocate.subx.html b/html/baremetal/120allocate.subx.html index d3bc3fc8..f19e0902 100644 --- a/html/baremetal/120allocate.subx.html +++ b/html/baremetal/120allocate.subx.html @@ -14,13 +14,16 @@ pre { font-family: monospace; color: #000000; background-color: #c6c6c6; } body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } +.subxMinorFunction { color: #875f5f; } .subxComment { color: #005faf; } .subxS1Comment { color: #0000af; } .subxS2Comment { color: #8a8a8a; } .LineNr { } .Constant { color: #008787; } -.subxFunction { color: #af5f00; text-decoration: underline; } +.subxTest { color: #5f8700; } +.SpecialChar { color: #d70000; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } +.subxFunction { color: #af5f00; text-decoration: underline; } --> </style> @@ -56,59 +59,920 @@ if ('onhashchange' in window) { <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/baremetal/120allocate.subx'>https://github.com/akkartik/mu/blob/main/baremetal/120allocate.subx</a> <pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span>== code -<span id="L2" class="LineNr"> 2 </span><span class="subxComment"># instruction effective address register displacement immediate</span> -<span id="L3" class="LineNr"> 3 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> -<span id="L4" class="LineNr"> 4 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> -<span id="L5" class="LineNr"> 5 </span> -<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># Fill a region of memory with zeroes.</span> -<span id="L7" class="LineNr"> 7 </span><span class="subxFunction">zero-out</span>: <span class="subxComment"># start: (addr byte), size: int</span> -<span id="L8" class="LineNr"> 8 </span> <span class="subxComment"># pseudocode:</span> -<span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># curr/esi = start</span> -<span id="L10" class="LineNr">10 </span> <span class="subxComment"># i/ecx = 0</span> -<span id="L11" class="LineNr">11 </span> <span class="subxComment"># while true</span> -<span id="L12" class="LineNr">12 </span> <span class="subxComment"># if (i >= size) break</span> -<span id="L13" class="LineNr">13 </span> <span class="subxComment"># *curr = 0</span> -<span id="L14" class="LineNr">14 </span> <span class="subxComment"># ++curr</span> -<span id="L15" class="LineNr">15 </span> <span class="subxComment"># ++i</span> -<span id="L16" class="LineNr">16 </span> <span class="subxComment">#</span> -<span id="L17" class="LineNr">17 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L18" class="LineNr">18 </span> 55/push-ebp -<span id="L19" class="LineNr">19 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> -<span id="L20" class="LineNr">20 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L21" class="LineNr">21 </span> 50/push-eax -<span id="L22" class="LineNr">22 </span> 51/push-ecx -<span id="L23" class="LineNr">23 </span> 52/push-edx -<span id="L24" class="LineNr">24 </span> 56/push-esi -<span id="L25" class="LineNr">25 </span> <span class="subxComment"># curr/esi = start</span> -<span id="L26" class="LineNr">26 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> -<span id="L27" class="LineNr">27 </span> <span class="subxComment"># var i/ecx: int = 0</span> -<span id="L28" class="LineNr">28 </span> 31/xor 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ecx</span> -<span id="L29" class="LineNr">29 </span> <span class="subxComment"># edx = size</span> -<span id="L30" class="LineNr">30 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edx</span> -<span id="L31" class="LineNr">31 </span><span class="Constant">$zero-out:loop</span>: -<span id="L32" class="LineNr">32 </span> <span class="subxComment"># if (i >= size) break</span> -<span id="L33" class="LineNr">33 </span> 39/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with edx</span> -<span id="L34" class="LineNr">34 </span> 7d/jump-if->= $zero-out:end/disp8 -<span id="L35" class="LineNr">35 </span> <span class="subxComment"># *curr = 0</span> -<span id="L36" class="LineNr">36 </span> c6 0/subop/copy-byte 0/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm8 <span class="subxComment"># copy byte to *esi</span> -<span id="L37" class="LineNr">37 </span> <span class="subxComment"># ++curr</span> -<span id="L38" class="LineNr">38 </span> 46/increment-esi -<span id="L39" class="LineNr">39 </span> <span class="subxComment"># ++i</span> -<span id="L40" class="LineNr">40 </span> 41/increment-ecx -<span id="L41" class="LineNr">41 </span> eb/jump $zero-out:<span class="Constant">loop</span>/disp8 -<span id="L42" class="LineNr">42 </span><span class="Constant">$zero-out:end</span>: -<span id="L43" class="LineNr">43 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L44" class="LineNr">44 </span> 5e/pop-to-esi -<span id="L45" class="LineNr">45 </span> 5a/pop-to-edx -<span id="L46" class="LineNr">46 </span> 59/pop-to-ecx -<span id="L47" class="LineNr">47 </span> 58/pop-to-eax -<span id="L48" class="LineNr">48 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L49" class="LineNr">49 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> -<span id="L50" class="LineNr">50 </span> 5d/pop-to-ebp -<span id="L51" class="LineNr">51 </span> c3/return -<span id="L52" class="LineNr">52 </span> -<span id="L53" class="LineNr">53 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Helper to dynamically allocate memory on the heap.</span> +<span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span> +<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># We'd like to be able to write tests for functions that allocate memory,</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># making assertions on the precise addresses used. To achieve this we'll pass</span> +<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># in an *allocation descriptor* to allocate from.</span> +<span id="L6" class="LineNr"> 6 </span><span class="subxComment">#</span> +<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># Allocation descriptors are also useful outside of tests. Assembly and machine</span> +<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># code are of necessity unsafe languages, and one of the most insidious kinds</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># of bugs unsafe languages expose us to are dangling pointers to memory that</span> +<span id="L10" class="LineNr"> 10 </span><span class="subxComment"># has been freed and potentially even reused for something totally different.</span> +<span id="L11" class="LineNr"> 11 </span><span class="subxComment"># To reduce the odds of such "use after free" errors, SubX programs tend to not</span> +<span id="L12" class="LineNr"> 12 </span><span class="subxComment"># reclaim and reuse dynamically allocated memory. (Running out of memory is far</span> +<span id="L13" class="LineNr"> 13 </span><span class="subxComment"># easier to debug.) Long-running programs that want to reuse memory are mostly</span> +<span id="L14" class="LineNr"> 14 </span><span class="subxComment"># on their own to be careful. However, they do get one bit of help: they can</span> +<span id="L15" class="LineNr"> 15 </span><span class="subxComment"># carve out chunks of memory and then allocate from them manually using this</span> +<span id="L16" class="LineNr"> 16 </span><span class="subxComment"># very same 'allocate' helper. They just need a new allocation descriptor for</span> +<span id="L17" class="LineNr"> 17 </span><span class="subxComment"># their book-keeping.</span> +<span id="L18" class="LineNr"> 18 </span> +<span id="L19" class="LineNr"> 19 </span>== data +<span id="L20" class="LineNr"> 20 </span> +<span id="L21" class="LineNr"> 21 </span><span class="subxComment"># Allocations are returned in a handle, which consists of an alloc-id and a payload.</span> +<span id="L22" class="LineNr"> 22 </span><span class="subxComment"># The alloc-id helps detect use-after-free errors.</span> +<span id="L23" class="LineNr"> 23 </span><span class="SpecialChar">Handle-size</span>: <span class="subxComment"># (addr int)</span> +<span id="L24" class="LineNr"> 24 </span> 8/imm32 +<span id="L25" class="LineNr"> 25 </span> +<span id="L26" class="LineNr"> 26 </span><span class="subxComment"># A default allocation descriptor for programs to use.</span> +<span id="L27" class="LineNr"> 27 </span><span class="SpecialChar">Heap</span>: <span class="subxComment"># allocation-descriptor</span> +<span id="L28" class="LineNr"> 28 </span> <span class="subxComment"># curr</span> +<span id="L29" class="LineNr"> 29 </span> 0x01000000/imm32 <span class="subxComment"># 16 MB</span> +<span id="L30" class="LineNr"> 30 </span> <span class="subxComment"># limit</span> +<span id="L31" class="LineNr"> 31 </span> 0x02000000/imm32 <span class="subxComment"># 32 MB</span> +<span id="L32" class="LineNr"> 32 </span> +<span id="L33" class="LineNr"> 33 </span><span class="SpecialChar">Next-alloc-id</span>: <span class="subxComment"># int</span> +<span id="L34" class="LineNr"> 34 </span> 0x100/imm32 <span class="subxComment"># save a few alloc ids for fake handles</span> +<span id="L35" class="LineNr"> 35 </span> +<span id="L36" class="LineNr"> 36 </span>== code +<span id="L37" class="LineNr"> 37 </span><span class="subxComment"># instruction effective address register displacement immediate</span> +<span id="L38" class="LineNr"> 38 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> +<span id="L39" class="LineNr"> 39 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L40" class="LineNr"> 40 </span> +<span id="L41" class="LineNr"> 41 </span><span class="subxComment"># Allocate and clear 'n' bytes of memory from an allocation-descriptor 'ad'.</span> +<span id="L42" class="LineNr"> 42 </span><span class="subxComment"># Abort if there isn't enough memory in 'ad'.</span> +<span id="L43" class="LineNr"> 43 </span><span class="subxFunction">allocate</span>: <span class="subxComment"># ad: (addr allocation-descriptor), n: int, out: (addr handle _)</span> +<span id="L44" class="LineNr"> 44 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L45" class="LineNr"> 45 </span> 55/push-ebp +<span id="L46" class="LineNr"> 46 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L47" class="LineNr"> 47 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L48" class="LineNr"> 48 </span> 50/push-eax +<span id="L49" class="LineNr"> 49 </span> <span class="subxComment"># allocate-raw(ad, n, out)</span> +<span id="L50" class="LineNr"> 50 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L51" class="LineNr"> 51 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+16)</span> +<span id="L52" class="LineNr"> 52 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> +<span id="L53" class="LineNr"> 53 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L54" class="LineNr"> 54 </span> <span class="subxS2Comment"># . . call</span> +<span id="L55" class="LineNr"> 55 </span> e8/call <a href='120allocate.subx.html#L80'>allocate-raw</a>/disp32 +<span id="L56" class="LineNr"> 56 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L57" class="LineNr"> 57 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L58" class="LineNr"> 58 </span> <span class="subxComment"># eax = out->payload + 4</span> +<span id="L59" class="LineNr"> 59 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to eax</span> +<span id="L60" class="LineNr"> 60 </span> 8b/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(eax+4) to eax</span> +<span id="L61" class="LineNr"> 61 </span> 05/add-to-eax 4/imm32 +<span id="L62" class="LineNr"> 62 </span> <span class="subxComment"># zero-out(eax, n)</span> +<span id="L63" class="LineNr"> 63 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L64" class="LineNr"> 64 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> +<span id="L65" class="LineNr"> 65 </span> 50/push-eax +<span id="L66" class="LineNr"> 66 </span> <span class="subxS2Comment"># . . call</span> +<span id="L67" class="LineNr"> 67 </span> e8/call <a href='120allocate.subx.html#L836'>zero-out</a>/disp32 +<span id="L68" class="LineNr"> 68 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L69" class="LineNr"> 69 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L70" class="LineNr"> 70 </span><span class="Constant">$allocate:end</span>: +<span id="L71" class="LineNr"> 71 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L72" class="LineNr"> 72 </span> 58/pop-to-eax +<span id="L73" class="LineNr"> 73 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L74" class="LineNr"> 74 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L75" class="LineNr"> 75 </span> 5d/pop-to-ebp +<span id="L76" class="LineNr"> 76 </span> c3/return +<span id="L77" class="LineNr"> 77 </span> +<span id="L78" class="LineNr"> 78 </span><span class="subxComment"># Claim the next 'n' bytes of memory starting at ad->curr and update ad->curr.</span> +<span id="L79" class="LineNr"> 79 </span><span class="subxComment"># Abort if there isn't enough memory in 'ad'.</span> +<span id="L80" class="LineNr"> 80 </span><span class="subxFunction">allocate-raw</span>: <span class="subxComment"># ad: (addr allocation-descriptor), n: int, out: (addr handle _)</span> +<span id="L81" class="LineNr"> 81 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L82" class="LineNr"> 82 </span> 55/push-ebp +<span id="L83" class="LineNr"> 83 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L84" class="LineNr"> 84 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L85" class="LineNr"> 85 </span> 50/push-eax +<span id="L86" class="LineNr"> 86 </span> 51/push-ecx +<span id="L87" class="LineNr"> 87 </span> 52/push-edx +<span id="L88" class="LineNr"> 88 </span> 53/push-ebx +<span id="L89" class="LineNr"> 89 </span> 56/push-esi +<span id="L90" class="LineNr"> 90 </span> 57/push-edi +<span id="L91" class="LineNr"> 91 </span> <span class="subxComment"># ecx = ad</span> +<span id="L92" class="LineNr"> 92 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span> +<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># edx = out</span> +<span id="L94" class="LineNr"> 94 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to edx</span> +<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># ebx = n</span> +<span id="L96" class="LineNr"> 96 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to ebx</span> +<span id="L97" class="LineNr"> 97 </span> <span class="subxComment"># out->alloc-id = Next-alloc-id</span> +<span id="L98" class="LineNr"> 98 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="SpecialChar"><a href='120allocate.subx.html#L33'>Next-alloc-id</a></span>/disp32 <span class="subxComment"># copy *Next-alloc-id to eax</span> +<span id="L99" class="LineNr"> 99 </span> 89/copy 0/mod/indirect 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy eax to *edx</span> +<span id="L100" class="LineNr">100 </span> <span class="subxComment"># out->payload = ad->curr</span> +<span id="L101" class="LineNr">101 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to eax</span> +<span id="L102" class="LineNr">102 </span><span class="Constant">$allocate-raw:save-payload-in-eax</span>: +<span id="L103" class="LineNr">103 </span> 89/copy 1/mod/*+disp8 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax to *(edx+4)</span> +<span id="L104" class="LineNr">104 </span> <span class="subxComment"># *out->payload = Next-alloc-id</span> +<span id="L105" class="LineNr">105 </span> 8b/copy 1/mod/*+disp8 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edx+4) to edi</span> +<span id="L106" class="LineNr">106 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi <span class="SpecialChar"><a href='120allocate.subx.html#L33'>Next-alloc-id</a></span>/disp32 <span class="subxComment"># copy *Next-alloc-id to esi</span> +<span id="L107" class="LineNr">107 </span> 89/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esi to *edi</span> +<span id="L108" class="LineNr">108 </span><span class="Constant">$allocate-raw:increment-next-alloc-id</span>: +<span id="L109" class="LineNr">109 </span> <span class="subxComment"># increment *Next-alloc-id</span> +<span id="L110" class="LineNr">110 </span> ff 0/subop/increment 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='120allocate.subx.html#L33'>Next-alloc-id</a></span>/disp32 <span class="subxComment"># increment *Next-alloc-id</span> +<span id="L111" class="LineNr">111 </span> <span class="subxComment"># check if there's enough space</span> +<span id="L112" class="LineNr">112 </span> <span class="subxComment"># TODO: move this check up before any state updates when we support error recovery</span> +<span id="L113" class="LineNr">113 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 3/index/ebx <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ebx+4 to eax</span> +<span id="L114" class="LineNr">114 </span> 3b/compare 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare eax with *(ecx+4)</span> +<span id="L115" class="LineNr">115 </span> 73/jump-if->=-signed $allocate-raw:abort/disp8 +<span id="L116" class="LineNr">116 </span><span class="Constant">$allocate-raw:commit</span>: +<span id="L117" class="LineNr">117 </span> <span class="subxComment"># ad->curr += n+4</span> +<span id="L118" class="LineNr">118 </span> 89/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy eax to *ecx</span> +<span id="L119" class="LineNr">119 </span><span class="Constant">$allocate-raw:end</span>: +<span id="L120" class="LineNr">120 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L121" class="LineNr">121 </span> 5f/pop-to-edi +<span id="L122" class="LineNr">122 </span> 5e/pop-to-esi +<span id="L123" class="LineNr">123 </span> 5b/pop-to-ebx +<span id="L124" class="LineNr">124 </span> 5a/pop-to-edx +<span id="L125" class="LineNr">125 </span> 59/pop-to-ecx +<span id="L126" class="LineNr">126 </span> 58/pop-to-eax +<span id="L127" class="LineNr">127 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L128" class="LineNr">128 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L129" class="LineNr">129 </span> 5d/pop-to-ebp +<span id="L130" class="LineNr">130 </span> c3/return +<span id="L131" class="LineNr">131 </span> +<span id="L132" class="LineNr">132 </span><span class="Constant">$allocate-raw:abort</span>: +<span id="L133" class="LineNr">133 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"allocate: failed"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L134" class="LineNr">134 </span> { +<span id="L135" class="LineNr">135 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L136" class="LineNr">136 </span> } +<span id="L137" class="LineNr">137 </span> <span class="subxComment"># never gets here</span> +<span id="L138" class="LineNr">138 </span> +<span id="L139" class="LineNr">139 </span><span class="subxTest">test-allocate-raw-success</span>: +<span id="L140" class="LineNr">140 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L141" class="LineNr">141 </span> 55/push-ebp +<span id="L142" class="LineNr">142 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L143" class="LineNr">143 </span> <span class="subxComment"># var ad/ecx: allocation-descriptor containing 16 bytes</span> +<span id="L144" class="LineNr">144 </span> <span class="subxS1Comment"># . var end/ecx: (addr byte)</span> +<span id="L145" class="LineNr">145 </span> 89/<- %ecx 4/r32/esp +<span id="L146" class="LineNr">146 </span> <span class="subxS1Comment"># . var start/edx: (addr byte) = end - 16</span> +<span id="L147" class="LineNr">147 </span> 81 5/subop/subtract %esp 0x10/imm32 +<span id="L148" class="LineNr">148 </span> 89/<- %edx 4/r32/esp +<span id="L149" class="LineNr">149 </span> <span class="subxS1Comment"># . ad = {start, end}</span> +<span id="L150" class="LineNr">150 </span> 51/push-ecx +<span id="L151" class="LineNr">151 </span> 52/push-edx +<span id="L152" class="LineNr">152 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L153" class="LineNr">153 </span> <span class="subxComment"># var expected-payload/ebx = ad->curr</span> +<span id="L154" class="LineNr">154 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to ebx</span> +<span id="L155" class="LineNr">155 </span> <span class="subxComment"># var h/edx: handle = {0, 0}</span> +<span id="L156" class="LineNr">156 </span> 68/push 0/imm32 +<span id="L157" class="LineNr">157 </span> 68/push 0/imm32 +<span id="L158" class="LineNr">158 </span> 89/copy 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to edx</span> +<span id="L159" class="LineNr">159 </span> <span class="subxComment"># *Next-alloc-id = 0x34</span> +<span id="L160" class="LineNr">160 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='120allocate.subx.html#L33'>Next-alloc-id</a></span>/disp32 0x34/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L161" class="LineNr">161 </span> <span class="subxComment"># allocate-raw(ad, 3, h)</span> +<span id="L162" class="LineNr">162 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L163" class="LineNr">163 </span> 52/push-edx +<span id="L164" class="LineNr">164 </span> 68/push 3/imm32 +<span id="L165" class="LineNr">165 </span> 51/push-ecx +<span id="L166" class="LineNr">166 </span> <span class="subxS2Comment"># . . call</span> +<span id="L167" class="LineNr">167 </span> e8/call <a href='120allocate.subx.html#L80'>allocate-raw</a>/disp32 +<span id="L168" class="LineNr">168 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L169" class="LineNr">169 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L170" class="LineNr">170 </span> <span class="subxComment"># check-ints-equal(h->alloc-id, 0x34, msg)</span> +<span id="L171" class="LineNr">171 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L172" class="LineNr">172 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L139'>test-allocate-raw-success</a>: sets alloc-id in handle"</span>/imm32 +<span id="L173" class="LineNr">173 </span> 68/push 0x34/imm32 +<span id="L174" class="LineNr">174 </span> ff 6/subop/push 0/mod/indirect 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *edx</span> +<span id="L175" class="LineNr">175 </span> <span class="subxS2Comment"># . . call</span> +<span id="L176" class="LineNr">176 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L178" class="LineNr">178 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L179" class="LineNr">179 </span> <span class="subxComment"># check-ints-equal(h->payload, expected-payload, msg)</span> +<span id="L180" class="LineNr">180 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L181" class="LineNr">181 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L139'>test-allocate-raw-success</a>: sets payload in handle"</span>/imm32 +<span id="L182" class="LineNr">182 </span> 53/push-ebx +<span id="L183" class="LineNr">183 </span> ff 6/subop/push 1/mod/*+disp8 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(edx+4)</span> +<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . call</span> +<span id="L185" class="LineNr">185 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L186" class="LineNr">186 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L187" class="LineNr">187 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L188" class="LineNr">188 </span> <span class="subxComment"># check-ints-equal(h->payload->alloc-id, 0x34, msg)</span> +<span id="L189" class="LineNr">189 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L190" class="LineNr">190 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L139'>test-allocate-raw-success</a>: sets alloc-id in payload"</span>/imm32 +<span id="L191" class="LineNr">191 </span> 68/push 0x34/imm32 +<span id="L192" class="LineNr">192 </span> ff 6/subop/push 0/mod/indirect 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ebx</span> +<span id="L193" class="LineNr">193 </span> <span class="subxS2Comment"># . . call</span> +<span id="L194" class="LineNr">194 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L195" class="LineNr">195 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L196" class="LineNr">196 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L197" class="LineNr">197 </span> <span class="subxComment"># check-ints-equal(*Next-alloc-id, 0x35, msg)</span> +<span id="L198" class="LineNr">198 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L199" class="LineNr">199 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L139'>test-allocate-raw-success</a>: increments Next-alloc-id"</span>/imm32 +<span id="L200" class="LineNr">200 </span> 68/push 0x35/imm32 +<span id="L201" class="LineNr">201 </span> ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='120allocate.subx.html#L33'>Next-alloc-id</a></span>/disp32 <span class="subxComment"># push *Next-alloc-id</span> +<span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . call</span> +<span id="L203" class="LineNr">203 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L204" class="LineNr">204 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L205" class="LineNr">205 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L206" class="LineNr">206 </span> <span class="subxComment"># check-ints-equal(ad->curr - expected-payload, 3 + 4 for alloc-id, msg)</span> +<span id="L207" class="LineNr">207 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L208" class="LineNr">208 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L139'>test-allocate-raw-success</a>: updates allocation descriptor"</span>/imm32 +<span id="L209" class="LineNr">209 </span> 68/push 7/imm32 +<span id="L210" class="LineNr">210 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to eax</span> +<span id="L211" class="LineNr">211 </span> 29/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract ebx from eax</span> +<span id="L212" class="LineNr">212 </span> 50/push-eax +<span id="L213" class="LineNr">213 </span> <span class="subxS2Comment"># . . call</span> +<span id="L214" class="LineNr">214 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L215" class="LineNr">215 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L216" class="LineNr">216 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L217" class="LineNr">217 </span> <span class="subxComment"># clean up</span> +<span id="L218" class="LineNr">218 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='120allocate.subx.html#L33'>Next-alloc-id</a></span>/disp32 0x100/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L219" class="LineNr">219 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L220" class="LineNr">220 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to esp</span> +<span id="L221" class="LineNr">221 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L222" class="LineNr">222 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L223" class="LineNr">223 </span> 5d/pop-to-ebp +<span id="L224" class="LineNr">224 </span> c3/return +<span id="L225" class="LineNr">225 </span> +<span id="L226" class="LineNr">226 </span><span class="subxFunction">lookup</span>: <span class="subxComment"># h: (handle _T) -> result/eax: (addr _T)</span> +<span id="L227" class="LineNr">227 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L228" class="LineNr">228 </span> 55/push-ebp +<span id="L229" class="LineNr">229 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L230" class="LineNr">230 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L231" class="LineNr">231 </span> 51/push-ecx +<span id="L232" class="LineNr">232 </span> <span class="subxComment"># eax = 0</span> +<span id="L233" class="LineNr">233 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L234" class="LineNr">234 </span> <span class="subxComment"># ecx = handle->alloc_id</span> +<span id="L235" class="LineNr">235 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span> +<span id="L236" class="LineNr">236 </span> <span class="subxComment"># if (ecx == 0) return 0</span> +<span id="L237" class="LineNr">237 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare ecx</span> +<span id="L238" class="LineNr">238 </span> 74/jump-if-= $lookup:end/disp8 +<span id="L239" class="LineNr">239 </span> <span class="subxComment"># eax = handle->address (payload)</span> +<span id="L240" class="LineNr">240 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to eax</span> +<span id="L241" class="LineNr">241 </span> <span class="subxComment"># if (ecx != *eax) abort</span> +<span id="L242" class="LineNr">242 </span> 39/compare 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *eax and ecx</span> +<span id="L243" class="LineNr">243 </span> 75/jump-if-!= $lookup:abort/disp8 +<span id="L244" class="LineNr">244 </span> <span class="subxComment"># add 4 to eax</span> +<span id="L245" class="LineNr">245 </span> 05/add-to-eax 4/imm32 +<span id="L246" class="LineNr">246 </span><span class="Constant">$lookup:end</span>: +<span id="L247" class="LineNr">247 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L248" class="LineNr">248 </span> 59/pop-to-ecx +<span id="L249" class="LineNr">249 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L250" class="LineNr">250 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L251" class="LineNr">251 </span> 5d/pop-to-ebp +<span id="L252" class="LineNr">252 </span> c3/return +<span id="L253" class="LineNr">253 </span> +<span id="L254" class="LineNr">254 </span><span class="Constant">$lookup:abort</span>: +<span id="L255" class="LineNr">255 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"lookup: failed"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L256" class="LineNr">256 </span> { +<span id="L257" class="LineNr">257 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L258" class="LineNr">258 </span> } +<span id="L259" class="LineNr">259 </span> <span class="subxComment"># never gets here</span> +<span id="L260" class="LineNr">260 </span> +<span id="L261" class="LineNr">261 </span><span class="subxTest">test-lookup-success</span>: +<span id="L262" class="LineNr">262 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L263" class="LineNr">263 </span> 55/push-ebp +<span id="L264" class="LineNr">264 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L265" class="LineNr">265 </span> <span class="subxComment"># var ad/ebx: allocation-descriptor containing 16 bytes</span> +<span id="L266" class="LineNr">266 </span> <span class="subxS1Comment"># . var end/ecx: (addr byte)</span> +<span id="L267" class="LineNr">267 </span> 89/<- %ecx 4/r32/esp +<span id="L268" class="LineNr">268 </span> <span class="subxS1Comment"># . var start/edx: (addr byte) = end - 16</span> +<span id="L269" class="LineNr">269 </span> 81 5/subop/subtract %esp 0x10/imm32 +<span id="L270" class="LineNr">270 </span> 89/<- %edx 4/r32/esp +<span id="L271" class="LineNr">271 </span> <span class="subxS1Comment"># . ad = {start, end}</span> +<span id="L272" class="LineNr">272 </span> 51/push-ecx +<span id="L273" class="LineNr">273 </span> 52/push-edx +<span id="L274" class="LineNr">274 </span> 89/copy 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebx</span> +<span id="L275" class="LineNr">275 </span> <span class="subxComment"># var handle/ecx: handle</span> +<span id="L276" class="LineNr">276 </span> 68/push 0/imm32/address +<span id="L277" class="LineNr">277 </span> 68/push 0/imm32/alloc-id +<span id="L278" class="LineNr">278 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L279" class="LineNr">279 </span> <span class="subxComment"># var old-top/edx = ad->curr</span> +<span id="L280" class="LineNr">280 </span> 8b/copy 0/mod/indirect 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ebx to edx</span> +<span id="L281" class="LineNr">281 </span> <span class="subxComment"># allocate-raw(ad, 2, handle)</span> +<span id="L282" class="LineNr">282 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L283" class="LineNr">283 </span> 51/push-ecx +<span id="L284" class="LineNr">284 </span> 68/push 2/imm32/size +<span id="L285" class="LineNr">285 </span> 53/push-ebx +<span id="L286" class="LineNr">286 </span> <span class="subxS2Comment"># . . call</span> +<span id="L287" class="LineNr">287 </span> e8/call <a href='120allocate.subx.html#L80'>allocate-raw</a>/disp32 +<span id="L288" class="LineNr">288 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L289" class="LineNr">289 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L290" class="LineNr">290 </span> <span class="subxComment"># eax = lookup(handle)</span> +<span id="L291" class="LineNr">291 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L292" class="LineNr">292 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ecx+4)</span> +<span id="L293" class="LineNr">293 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ecx</span> +<span id="L294" class="LineNr">294 </span> <span class="subxS2Comment"># . . call</span> +<span id="L295" class="LineNr">295 </span> e8/call <a href='120allocate.subx.html#L226'>lookup</a>/disp32 +<span id="L296" class="LineNr">296 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L297" class="LineNr">297 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L298" class="LineNr">298 </span> <span class="subxComment"># eax contains old top of heap, except skipping the alloc-id in the payload</span> +<span id="L299" class="LineNr">299 </span> <span class="subxS1Comment"># . check-ints-equal(eax, old-top+4, msg)</span> +<span id="L300" class="LineNr">300 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L301" class="LineNr">301 </span> 68/push <span class="Constant">"F - test-lookup-success"</span>/imm32 +<span id="L302" class="LineNr">302 </span> 81 0/subop/add 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to edx</span> +<span id="L303" class="LineNr">303 </span> 52/push-edx +<span id="L304" class="LineNr">304 </span> 50/push-eax +<span id="L305" class="LineNr">305 </span> <span class="subxS2Comment"># . . call</span> +<span id="L306" class="LineNr">306 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L307" class="LineNr">307 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L308" class="LineNr">308 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L309" class="LineNr">309 </span> <span class="subxComment"># clean up</span> +<span id="L310" class="LineNr">310 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='120allocate.subx.html#L33'>Next-alloc-id</a></span>/disp32 0x100/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L311" class="LineNr">311 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L312" class="LineNr">312 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x20/imm32 <span class="subxComment"># add to esp</span> +<span id="L313" class="LineNr">313 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L314" class="LineNr">314 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L315" class="LineNr">315 </span> 5d/pop-to-ebp +<span id="L316" class="LineNr">316 </span> c3/return +<span id="L317" class="LineNr">317 </span> +<span id="L318" class="LineNr">318 </span><span class="subxTest">test-lookup-null-returns-null</span>: +<span id="L319" class="LineNr">319 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L320" class="LineNr">320 </span> 55/push-ebp +<span id="L321" class="LineNr">321 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L322" class="LineNr">322 </span> <span class="subxComment"># var handle/ecx: handle</span> +<span id="L323" class="LineNr">323 </span> 68/push 0/imm32/address +<span id="L324" class="LineNr">324 </span> 68/push 0/imm32/alloc-id +<span id="L325" class="LineNr">325 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L326" class="LineNr">326 </span> <span class="subxComment"># eax = lookup(handle)</span> +<span id="L327" class="LineNr">327 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L328" class="LineNr">328 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ecx+4)</span> +<span id="L329" class="LineNr">329 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ecx</span> +<span id="L330" class="LineNr">330 </span> <span class="subxS2Comment"># . . call</span> +<span id="L331" class="LineNr">331 </span> e8/call <a href='120allocate.subx.html#L226'>lookup</a>/disp32 +<span id="L332" class="LineNr">332 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L333" class="LineNr">333 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L334" class="LineNr">334 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L335" class="LineNr">335 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L336" class="LineNr">336 </span> 68/push <span class="Constant">"F - test-lookup-null-returns-null"</span>/imm32 +<span id="L337" class="LineNr">337 </span> 68/push 0/imm32 +<span id="L338" class="LineNr">338 </span> 50/push-eax +<span id="L339" class="LineNr">339 </span> <span class="subxS2Comment"># . . call</span> +<span id="L340" class="LineNr">340 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L341" class="LineNr">341 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L342" class="LineNr">342 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L343" class="LineNr">343 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L344" class="LineNr">344 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L345" class="LineNr">345 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L346" class="LineNr">346 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L347" class="LineNr">347 </span> 5d/pop-to-ebp +<span id="L348" class="LineNr">348 </span> c3/return +<span id="L349" class="LineNr">349 </span> +<span id="L350" class="LineNr">350 </span><span class="subxMinorFunction">_pending-test-lookup-failure</span>: +<span id="L351" class="LineNr">351 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L352" class="LineNr">352 </span> 55/push-ebp +<span id="L353" class="LineNr">353 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L354" class="LineNr">354 </span> <span class="subxComment"># var ad/ecx: allocation-descriptor containing 16 bytes</span> +<span id="L355" class="LineNr">355 </span> <span class="subxS1Comment"># . var end/ecx: (addr byte)</span> +<span id="L356" class="LineNr">356 </span> 89/<- %ecx 4/r32/esp +<span id="L357" class="LineNr">357 </span> <span class="subxS1Comment"># . var start/edx: (addr byte) = end - 16</span> +<span id="L358" class="LineNr">358 </span> 81 5/subop/subtract %esp 0x10/imm32 +<span id="L359" class="LineNr">359 </span> 89/<- %edx 4/r32/esp +<span id="L360" class="LineNr">360 </span> <span class="subxS1Comment"># . ad = {start, end}</span> +<span id="L361" class="LineNr">361 </span> 51/push-ecx +<span id="L362" class="LineNr">362 </span> 52/push-edx +<span id="L363" class="LineNr">363 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L364" class="LineNr">364 </span> <span class="subxComment"># var h1/ecx: handle</span> +<span id="L365" class="LineNr">365 </span> 68/push 0/imm32/address +<span id="L366" class="LineNr">366 </span> 68/push 0/imm32/alloc-id +<span id="L367" class="LineNr">367 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L368" class="LineNr">368 </span> <span class="subxComment"># var old_top/ebx = ad->curr</span> +<span id="L369" class="LineNr">369 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ebx</span> +<span id="L370" class="LineNr">370 </span> <span class="subxComment"># first allocation, to h1</span> +<span id="L371" class="LineNr">371 </span> <span class="subxS1Comment"># . allocate(ad, 2, h1)</span> +<span id="L372" class="LineNr">372 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L373" class="LineNr">373 </span> 51/push-ecx +<span id="L374" class="LineNr">374 </span> 68/push 2/imm32/size +<span id="L375" class="LineNr">375 </span> 56/push-esi +<span id="L376" class="LineNr">376 </span> <span class="subxS2Comment"># . . call</span> +<span id="L377" class="LineNr">377 </span> e8/call <a href='120allocate.subx.html#L43'>allocate</a>/disp32 +<span id="L378" class="LineNr">378 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L379" class="LineNr">379 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L380" class="LineNr">380 </span> <span class="subxComment"># reset ad->curr to mimic reclamation</span> +<span id="L381" class="LineNr">381 </span> 89/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebx to *esi</span> +<span id="L382" class="LineNr">382 </span> <span class="subxComment"># second allocation that returns the same address as the first</span> +<span id="L383" class="LineNr">383 </span> <span class="subxComment"># var h2/edx: handle</span> +<span id="L384" class="LineNr">384 </span> 68/push 0/imm32/address +<span id="L385" class="LineNr">385 </span> 68/push 0/imm32/alloc-id +<span id="L386" class="LineNr">386 </span> 89/copy 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to edx</span> +<span id="L387" class="LineNr">387 </span> <span class="subxS1Comment"># . allocate(ad, 2, h2)</span> +<span id="L388" class="LineNr">388 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L389" class="LineNr">389 </span> 52/push-edx +<span id="L390" class="LineNr">390 </span> 68/push 2/imm32/size +<span id="L391" class="LineNr">391 </span> 56/push-esi +<span id="L392" class="LineNr">392 </span> <span class="subxS2Comment"># . . call</span> +<span id="L393" class="LineNr">393 </span> e8/call <a href='120allocate.subx.html#L43'>allocate</a>/disp32 +<span id="L394" class="LineNr">394 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L395" class="LineNr">395 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L396" class="LineNr">396 </span> <span class="subxComment"># check-ints-equal(h1->address, h2->address, msg)</span> +<span id="L397" class="LineNr">397 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L398" class="LineNr">398 </span> 68/push <span class="Constant">"F - test-lookup-failure"</span>/imm32 +<span id="L399" class="LineNr">399 </span> ff 6/subop/push 1/mod/*+disp8 2/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(edx+4)</span> +<span id="L400" class="LineNr">400 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ecx+4)</span> +<span id="L401" class="LineNr">401 </span> <span class="subxS2Comment"># . . call</span> +<span id="L402" class="LineNr">402 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L403" class="LineNr">403 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L404" class="LineNr">404 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L405" class="LineNr">405 </span> <span class="subxComment"># lookup(h1) should crash</span> +<span id="L406" class="LineNr">406 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L407" class="LineNr">407 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ecx+4)</span> +<span id="L408" class="LineNr">408 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ecx</span> +<span id="L409" class="LineNr">409 </span> <span class="subxS2Comment"># . . call</span> +<span id="L410" class="LineNr">410 </span> e8/call <a href='120allocate.subx.html#L226'>lookup</a>/disp32 +<span id="L411" class="LineNr">411 </span> <span class="subxComment"># should never get past this point</span> +<span id="L412" class="LineNr">412 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L413" class="LineNr">413 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L414" class="LineNr">414 </span> <span class="subxComment"># clean up</span> +<span id="L415" class="LineNr">415 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='120allocate.subx.html#L33'>Next-alloc-id</a></span>/disp32 0x100/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L416" class="LineNr">416 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L417" class="LineNr">417 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x20/imm32 <span class="subxComment"># add to esp</span> +<span id="L418" class="LineNr">418 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L419" class="LineNr">419 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L420" class="LineNr">420 </span> 5d/pop-to-ebp +<span id="L421" class="LineNr">421 </span> c3/return +<span id="L422" class="LineNr">422 </span> +<span id="L423" class="LineNr">423 </span><span class="subxComment"># when comparing handles, just treat them as pure values</span> +<span id="L424" class="LineNr">424 </span><span class="subxFunction">handle-equal?</span>: <span class="subxComment"># a: (handle _T), b: (handle _T) -> result/eax: boolean</span> +<span id="L425" class="LineNr">425 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L426" class="LineNr">426 </span> 55/push-ebp +<span id="L427" class="LineNr">427 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L428" class="LineNr">428 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L429" class="LineNr">429 </span> 51/push-ecx +<span id="L430" class="LineNr">430 </span> <span class="subxComment"># eax = false</span> +<span id="L431" class="LineNr">431 </span> b8/copy-to-eax 0/imm32/false +<span id="L432" class="LineNr">432 </span><span class="Constant">$handle-equal?:compare-alloc-id</span>: +<span id="L433" class="LineNr">433 </span> <span class="subxComment"># ecx = a->alloc_id</span> +<span id="L434" class="LineNr">434 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span> +<span id="L435" class="LineNr">435 </span> <span class="subxComment"># if (ecx != b->alloc_id) return false</span> +<span id="L436" class="LineNr">436 </span> 39/compare 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare ecx and *(ebp+16)</span> +<span id="L437" class="LineNr">437 </span> 75/jump-if-!= $handle-equal?:end/disp8 +<span id="L438" class="LineNr">438 </span><span class="Constant">$handle-equal?:compare-address</span>: +<span id="L439" class="LineNr">439 </span> <span class="subxComment"># ecx = handle->address</span> +<span id="L440" class="LineNr">440 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to ecx</span> +<span id="L441" class="LineNr">441 </span> <span class="subxComment"># if (ecx != b->address) return false</span> +<span id="L442" class="LineNr">442 </span> 39/compare 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare ecx and *(ebp+20)</span> +<span id="L443" class="LineNr">443 </span> 75/jump-if-!= $handle-equal?:end/disp8 +<span id="L444" class="LineNr">444 </span><span class="Constant">$handle-equal?:return-true</span>: +<span id="L445" class="LineNr">445 </span> <span class="subxComment"># return true</span> +<span id="L446" class="LineNr">446 </span> b8/copy-to-eax 1/imm32/true +<span id="L447" class="LineNr">447 </span><span class="Constant">$handle-equal?:end</span>: +<span id="L448" class="LineNr">448 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L449" class="LineNr">449 </span> 59/pop-to-ecx +<span id="L450" class="LineNr">450 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L451" class="LineNr">451 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L452" class="LineNr">452 </span> 5d/pop-to-ebp +<span id="L453" class="LineNr">453 </span> c3/return +<span id="L454" class="LineNr">454 </span> +<span id="L455" class="LineNr">455 </span><span class="subxFunction">copy-handle</span>: <span class="subxComment"># src: (handle _T), dest: (addr handle _T)</span> +<span id="L456" class="LineNr">456 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L457" class="LineNr">457 </span> 55/push-ebp +<span id="L458" class="LineNr">458 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L459" class="LineNr">459 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L460" class="LineNr">460 </span> 50/push-eax +<span id="L461" class="LineNr">461 </span> 51/push-ecx +<span id="L462" class="LineNr">462 </span> <span class="subxComment"># ecx = dest</span> +<span id="L463" class="LineNr">463 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to ecx</span> +<span id="L464" class="LineNr">464 </span> <span class="subxComment"># *dest = src</span> +<span id="L465" class="LineNr">465 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span> +<span id="L466" class="LineNr">466 </span> 89/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy eax to *ecx</span> +<span id="L467" class="LineNr">467 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to eax</span> +<span id="L468" class="LineNr">468 </span> 89/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax to *(ecx+4)</span> +<span id="L469" class="LineNr">469 </span><span class="Constant">$copy-handle:end</span>: +<span id="L470" class="LineNr">470 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L471" class="LineNr">471 </span> 59/pop-to-ecx +<span id="L472" class="LineNr">472 </span> 58/pop-to-eax +<span id="L473" class="LineNr">473 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L474" class="LineNr">474 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L475" class="LineNr">475 </span> 5d/pop-to-ebp +<span id="L476" class="LineNr">476 </span> c3/return +<span id="L477" class="LineNr">477 </span> +<span id="L478" class="LineNr">478 </span><span class="subxComment"># helper: create a nested allocation descriptor (useful for tests)</span> +<span id="L479" class="LineNr">479 </span><span class="subxFunction">allocate-region</span>: <span class="subxComment"># ad: (addr allocation-descriptor), n: int, out: (addr handle allocation-descriptor)</span> +<span id="L480" class="LineNr">480 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L481" class="LineNr">481 </span> 55/push-ebp +<span id="L482" class="LineNr">482 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L483" class="LineNr">483 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L484" class="LineNr">484 </span> 50/push-eax +<span id="L485" class="LineNr">485 </span> 51/push-ecx +<span id="L486" class="LineNr">486 </span> <span class="subxComment"># allocate(ad, n, out)</span> +<span id="L487" class="LineNr">487 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L488" class="LineNr">488 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+16)</span> +<span id="L489" class="LineNr">489 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> +<span id="L490" class="LineNr">490 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L491" class="LineNr">491 </span> <span class="subxS2Comment"># . . call</span> +<span id="L492" class="LineNr">492 </span> e8/call <a href='120allocate.subx.html#L43'>allocate</a>/disp32 +<span id="L493" class="LineNr">493 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L494" class="LineNr">494 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L495" class="LineNr">495 </span> <span class="subxComment"># eax = out->payload</span> +<span id="L496" class="LineNr">496 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to eax</span> +<span id="L497" class="LineNr">497 </span> 8b/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(eax+4) to eax</span> +<span id="L498" class="LineNr">498 </span> <span class="subxComment"># skip payload->allocid</span> +<span id="L499" class="LineNr">499 </span> 05/add-to-eax 4/imm32 +<span id="L500" class="LineNr">500 </span> <span class="subxComment"># if (eax == 0) abort</span> +<span id="L501" class="LineNr">501 </span> 3d/compare-eax-and 0/imm32 +<span id="L502" class="LineNr">502 </span> 74/jump-if-= $allocate-region:abort/disp8 +<span id="L503" class="LineNr">503 </span> <span class="subxComment"># earmark 8 bytes at the start for a new allocation descriptor</span> +<span id="L504" class="LineNr">504 </span> <span class="subxS1Comment"># . *eax = eax + 8</span> +<span id="L505" class="LineNr">505 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy eax to ecx</span> +<span id="L506" class="LineNr">506 </span> 81 0/subop/add 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ecx</span> +<span id="L507" class="LineNr">507 </span> 89/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ecx to *eax</span> +<span id="L508" class="LineNr">508 </span> <span class="subxS1Comment"># . *(eax+4) = eax + n</span> +<span id="L509" class="LineNr">509 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy eax to ecx</span> +<span id="L510" class="LineNr">510 </span> 03/add 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># add *(ebp+12) to ecx</span> +<span id="L511" class="LineNr">511 </span> 89/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx to *(eax+4)</span> +<span id="L512" class="LineNr">512 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L513" class="LineNr">513 </span> 59/pop-to-ecx +<span id="L514" class="LineNr">514 </span> 58/pop-to-eax +<span id="L515" class="LineNr">515 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L516" class="LineNr">516 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L517" class="LineNr">517 </span> 5d/pop-to-ebp +<span id="L518" class="LineNr">518 </span> c3/return +<span id="L519" class="LineNr">519 </span> +<span id="L520" class="LineNr">520 </span><span class="subxComment"># We could create a more general '$abort' jump target, but then we'd need to do</span> +<span id="L521" class="LineNr">521 </span><span class="subxComment"># a conditional jump followed by loading the error message and an unconditional</span> +<span id="L522" class="LineNr">522 </span><span class="subxComment"># jump. Or we'd need to unconditionally load the error message before a</span> +<span id="L523" class="LineNr">523 </span><span class="subxComment"># conditional jump, even if it's unused the vast majority of the time. This way</span> +<span id="L524" class="LineNr">524 </span><span class="subxComment"># we bloat a potentially cold segment in RAM so we can abort with a single</span> +<span id="L525" class="LineNr">525 </span><span class="subxComment"># instruction.</span> +<span id="L526" class="LineNr">526 </span><span class="Constant">$allocate-region:abort</span>: +<span id="L527" class="LineNr">527 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"allocate-region: failed to allocate"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L528" class="LineNr">528 </span> { +<span id="L529" class="LineNr">529 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L530" class="LineNr">530 </span> } +<span id="L531" class="LineNr">531 </span> <span class="subxComment"># never gets here</span> +<span id="L532" class="LineNr">532 </span> +<span id="L533" class="LineNr">533 </span><span class="subxComment"># Claim the next 'n+4' bytes of memory and initialize the first 4 to n.</span> +<span id="L534" class="LineNr">534 </span><span class="subxComment"># Abort if there isn't enough memory in 'ad'.</span> +<span id="L535" class="LineNr">535 </span><span class="subxFunction">allocate-array</span>: <span class="subxComment"># ad: (addr allocation-descriptor), n: int, out: (addr handle _)</span> +<span id="L536" class="LineNr">536 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L537" class="LineNr">537 </span> 55/push-ebp +<span id="L538" class="LineNr">538 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L539" class="LineNr">539 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L540" class="LineNr">540 </span> 50/push-eax +<span id="L541" class="LineNr">541 </span> 51/push-ecx +<span id="L542" class="LineNr">542 </span> 52/push-edx +<span id="L543" class="LineNr">543 </span> <span class="subxComment"># ecx = n</span> +<span id="L544" class="LineNr">544 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to ecx</span> +<span id="L545" class="LineNr">545 </span> <span class="subxComment"># var size/edx: int = n+4</span> +<span id="L546" class="LineNr">546 </span> 8d/copy-address 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx+4 to edx</span> +<span id="L547" class="LineNr">547 </span> <span class="subxComment"># allocate(ad, size, out)</span> +<span id="L548" class="LineNr">548 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L549" class="LineNr">549 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+16)</span> +<span id="L550" class="LineNr">550 </span> 52/push-edx +<span id="L551" class="LineNr">551 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L552" class="LineNr">552 </span> <span class="subxS2Comment"># . . call</span> +<span id="L553" class="LineNr">553 </span> e8/call <a href='120allocate.subx.html#L43'>allocate</a>/disp32 +<span id="L554" class="LineNr">554 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L555" class="LineNr">555 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L556" class="LineNr">556 </span> <span class="subxComment"># *out->payload = n</span> +<span id="L557" class="LineNr">557 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to eax</span> +<span id="L558" class="LineNr">558 </span> 8b/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(eax+4) to eax</span> +<span id="L559" class="LineNr">559 </span> <span class="subxS1Comment"># . skip payload->allocid</span> +<span id="L560" class="LineNr">560 </span> 05/add-to-eax 4/imm32 +<span id="L561" class="LineNr">561 </span> <span class="subxS1Comment"># .</span> +<span id="L562" class="LineNr">562 </span> 89/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ecx to *eax</span> +<span id="L563" class="LineNr">563 </span><span class="Constant">$allocate-array:end</span>: +<span id="L564" class="LineNr">564 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L565" class="LineNr">565 </span> 5a/pop-to-edx +<span id="L566" class="LineNr">566 </span> 59/pop-to-ecx +<span id="L567" class="LineNr">567 </span> 58/pop-to-eax +<span id="L568" class="LineNr">568 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L569" class="LineNr">569 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L570" class="LineNr">570 </span> 5d/pop-to-ebp +<span id="L571" class="LineNr">571 </span> c3/return +<span id="L572" class="LineNr">572 </span> +<span id="L573" class="LineNr">573 </span><span class="subxTest">test-allocate-array</span>: +<span id="L574" class="LineNr">574 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L575" class="LineNr">575 </span> 55/push-ebp +<span id="L576" class="LineNr">576 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L577" class="LineNr">577 </span> <span class="subxComment"># var ad/ecx: allocation-descriptor containing 16 bytes</span> +<span id="L578" class="LineNr">578 </span> <span class="subxS1Comment"># . var end/ecx: (addr byte)</span> +<span id="L579" class="LineNr">579 </span> 89/<- %ecx 4/r32/esp +<span id="L580" class="LineNr">580 </span> <span class="subxS1Comment"># . var start/edx: (addr byte) = end - 16</span> +<span id="L581" class="LineNr">581 </span> 81 5/subop/subtract %esp 0x10/imm32 +<span id="L582" class="LineNr">582 </span> 89/<- %edx 4/r32/esp +<span id="L583" class="LineNr">583 </span> <span class="subxS1Comment"># . ad = {start, end}</span> +<span id="L584" class="LineNr">584 </span> 51/push-ecx +<span id="L585" class="LineNr">585 </span> 52/push-edx +<span id="L586" class="LineNr">586 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L587" class="LineNr">587 </span> <span class="subxComment"># var expected-payload/ebx = ad->curr</span> +<span id="L588" class="LineNr">588 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to ebx</span> +<span id="L589" class="LineNr">589 </span> <span class="subxComment"># var h/edx: handle = {0, 0}</span> +<span id="L590" class="LineNr">590 </span> 68/push 0/imm32 +<span id="L591" class="LineNr">591 </span> 68/push 0/imm32 +<span id="L592" class="LineNr">592 </span> 89/copy 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to edx</span> +<span id="L593" class="LineNr">593 </span> <span class="subxComment"># *Next-alloc-id = 0x34</span> +<span id="L594" class="LineNr">594 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='120allocate.subx.html#L33'>Next-alloc-id</a></span>/disp32 0x34/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L595" class="LineNr">595 </span> <span class="subxComment"># allocate-array(ad, 3, h)</span> +<span id="L596" class="LineNr">596 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L597" class="LineNr">597 </span> 52/push-edx +<span id="L598" class="LineNr">598 </span> 68/push 3/imm32 +<span id="L599" class="LineNr">599 </span> 51/push-ecx +<span id="L600" class="LineNr">600 </span> <span class="subxS2Comment"># . . call</span> +<span id="L601" class="LineNr">601 </span> e8/call <a href='120allocate.subx.html#L535'>allocate-array</a>/disp32 +<span id="L602" class="LineNr">602 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L603" class="LineNr">603 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L604" class="LineNr">604 </span> <span class="subxComment"># check-ints-equal(h->alloc-id, 0x34, msg)</span> +<span id="L605" class="LineNr">605 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L606" class="LineNr">606 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L573'>test-allocate-array</a>: sets alloc-id in handle"</span>/imm32 +<span id="L607" class="LineNr">607 </span> 68/push 0x34/imm32 +<span id="L608" class="LineNr">608 </span> ff 6/subop/push 0/mod/indirect 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *edx</span> +<span id="L609" class="LineNr">609 </span> <span class="subxS2Comment"># . . call</span> +<span id="L610" class="LineNr">610 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L611" class="LineNr">611 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L612" class="LineNr">612 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L613" class="LineNr">613 </span> <span class="subxComment"># check-ints-equal(h->payload, expected-payload, msg)</span> +<span id="L614" class="LineNr">614 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L615" class="LineNr">615 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L573'>test-allocate-array</a>: sets payload in handle"</span>/imm32 +<span id="L616" class="LineNr">616 </span> 53/push-ebx +<span id="L617" class="LineNr">617 </span> ff 6/subop/push 1/mod/*+disp8 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(edx+4)</span> +<span id="L618" class="LineNr">618 </span> <span class="subxS2Comment"># . . call</span> +<span id="L619" class="LineNr">619 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L620" class="LineNr">620 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L621" class="LineNr">621 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L622" class="LineNr">622 </span> <span class="subxComment"># check-ints-equal(h->payload->alloc-id, 0x34, msg)</span> +<span id="L623" class="LineNr">623 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L624" class="LineNr">624 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L573'>test-allocate-array</a>: sets alloc-id in payload"</span>/imm32 +<span id="L625" class="LineNr">625 </span> 68/push 0x34/imm32 +<span id="L626" class="LineNr">626 </span> ff 6/subop/push 0/mod/indirect 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ebx</span> +<span id="L627" class="LineNr">627 </span> <span class="subxS2Comment"># . . call</span> +<span id="L628" class="LineNr">628 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L629" class="LineNr">629 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L630" class="LineNr">630 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L631" class="LineNr">631 </span> <span class="subxComment"># check-ints-equal(h->payload->size, 3, msg)</span> +<span id="L632" class="LineNr">632 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L633" class="LineNr">633 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L573'>test-allocate-array</a>: sets array size in payload"</span>/imm32 +<span id="L634" class="LineNr">634 </span> 68/push 3/imm32 +<span id="L635" class="LineNr">635 </span> ff 6/subop/push 1/mod/*+disp8 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebx+4)</span> +<span id="L636" class="LineNr">636 </span> <span class="subxS2Comment"># . . call</span> +<span id="L637" class="LineNr">637 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L638" class="LineNr">638 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L639" class="LineNr">639 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L640" class="LineNr">640 </span> <span class="subxComment"># check-ints-equal(*Next-alloc-id, 0x35, msg)</span> +<span id="L641" class="LineNr">641 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L642" class="LineNr">642 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L573'>test-allocate-array</a>: increments Next-alloc-id"</span>/imm32 +<span id="L643" class="LineNr">643 </span> 68/push 0x35/imm32 +<span id="L644" class="LineNr">644 </span> ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='120allocate.subx.html#L33'>Next-alloc-id</a></span>/disp32 <span class="subxComment"># push *Next-alloc-id</span> +<span id="L645" class="LineNr">645 </span> <span class="subxS2Comment"># . . call</span> +<span id="L646" class="LineNr">646 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L647" class="LineNr">647 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L648" class="LineNr">648 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L649" class="LineNr">649 </span> <span class="subxComment"># check-ints-equal(ad->curr - expected-payload, 3 + 4 for alloc-id + 4 for array size, msg)</span> +<span id="L650" class="LineNr">650 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L651" class="LineNr">651 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L573'>test-allocate-array</a>: updates allocation descriptor"</span>/imm32 +<span id="L652" class="LineNr">652 </span> 68/push 0xb/imm32 +<span id="L653" class="LineNr">653 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to eax</span> +<span id="L654" class="LineNr">654 </span> 29/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract ebx from eax</span> +<span id="L655" class="LineNr">655 </span> 50/push-eax +<span id="L656" class="LineNr">656 </span> <span class="subxS2Comment"># . . call</span> +<span id="L657" class="LineNr">657 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L658" class="LineNr">658 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L659" class="LineNr">659 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L660" class="LineNr">660 </span> <span class="subxComment"># clean up</span> +<span id="L661" class="LineNr">661 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='120allocate.subx.html#L33'>Next-alloc-id</a></span>/disp32 1/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L662" class="LineNr">662 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L663" class="LineNr">663 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x20/imm32 <span class="subxComment"># add to esp</span> +<span id="L664" class="LineNr">664 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L665" class="LineNr">665 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L666" class="LineNr">666 </span> 5d/pop-to-ebp +<span id="L667" class="LineNr">667 </span> c3/return +<span id="L668" class="LineNr">668 </span> +<span id="L669" class="LineNr">669 </span><span class="subxFunction">copy-array</span>: <span class="subxComment"># ad: (addr allocation-descriptor), src: (addr array _T), out: (addr handle array _T)</span> +<span id="L670" class="LineNr">670 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L671" class="LineNr">671 </span> 55/push-ebp +<span id="L672" class="LineNr">672 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L673" class="LineNr">673 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L674" class="LineNr">674 </span> 50/push-eax +<span id="L675" class="LineNr">675 </span> 51/push-ecx +<span id="L676" class="LineNr">676 </span> 52/push-edx +<span id="L677" class="LineNr">677 </span> 56/push-esi +<span id="L678" class="LineNr">678 </span> <span class="subxComment"># esi = src</span> +<span id="L679" class="LineNr">679 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to esi</span> +<span id="L680" class="LineNr">680 </span> <span class="subxComment"># var size/ecx: int = src->size+4</span> +<span id="L681" class="LineNr">681 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ecx</span> +<span id="L682" class="LineNr">682 </span> 81 0/subop/add 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ecx</span> +<span id="L683" class="LineNr">683 </span> <span class="subxComment"># allocate(ad, size, out)</span> +<span id="L684" class="LineNr">684 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L685" class="LineNr">685 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+16)</span> +<span id="L686" class="LineNr">686 </span> 51/push-ecx +<span id="L687" class="LineNr">687 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L688" class="LineNr">688 </span> <span class="subxS2Comment"># . . call</span> +<span id="L689" class="LineNr">689 </span> e8/call <a href='120allocate.subx.html#L43'>allocate</a>/disp32 +<span id="L690" class="LineNr">690 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L691" class="LineNr">691 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L692" class="LineNr">692 </span> <span class="subxComment"># var payload/eax: (addr byte) = out->payload</span> +<span id="L693" class="LineNr">693 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to eax</span> +<span id="L694" class="LineNr">694 </span> 8b/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(eax+4) to eax</span> +<span id="L695" class="LineNr">695 </span> <span class="subxS1Comment"># . skip payload->allocid</span> +<span id="L696" class="LineNr">696 </span> 05/add-to-eax 4/imm32 +<span id="L697" class="LineNr">697 </span> <span class="subxComment"># var max/ecx: (addr byte) = payload + size</span> +<span id="L698" class="LineNr">698 </span> 01/add 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add eax to ecx</span> +<span id="L699" class="LineNr">699 </span> <span class="subxComment"># _append-4(payload, max, src, &src->data[src->size])</span> +<span id="L700" class="LineNr">700 </span> <span class="subxS2Comment"># . . push &src->data[src->size]</span> +<span id="L701" class="LineNr">701 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to edx</span> +<span id="L702" class="LineNr">702 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 2/index/edx <span class="Normal"> . </span> 2/r32/edx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+edx+4 to edx</span> +<span id="L703" class="LineNr">703 </span> 52/push-edx +<span id="L704" class="LineNr">704 </span> <span class="subxS2Comment"># . . push src</span> +<span id="L705" class="LineNr">705 </span> 56/push-esi +<span id="L706" class="LineNr">706 </span> <span class="subxS2Comment"># . . push max</span> +<span id="L707" class="LineNr">707 </span> 51/push-ecx +<span id="L708" class="LineNr">708 </span> <span class="subxS2Comment"># . . push payload</span> +<span id="L709" class="LineNr">709 </span> 50/push-eax +<span id="L710" class="LineNr">710 </span> <span class="subxS2Comment"># . . call</span> +<span id="L711" class="LineNr">711 </span> e8/call <a href='108write.subx.html#L171'>_append-4</a>/disp32 +<span id="L712" class="LineNr">712 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L713" class="LineNr">713 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to esp</span> +<span id="L714" class="LineNr">714 </span><span class="Constant">$copy-array:end</span>: +<span id="L715" class="LineNr">715 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L716" class="LineNr">716 </span> 5e/pop-to-esi +<span id="L717" class="LineNr">717 </span> 5a/pop-to-edx +<span id="L718" class="LineNr">718 </span> 59/pop-to-ecx +<span id="L719" class="LineNr">719 </span> 58/pop-to-eax +<span id="L720" class="LineNr">720 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L721" class="LineNr">721 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L722" class="LineNr">722 </span> 5d/pop-to-ebp +<span id="L723" class="LineNr">723 </span> c3/return +<span id="L724" class="LineNr">724 </span> +<span id="L725" class="LineNr">725 </span><span class="subxTest">test-copy-array</span>: +<span id="L726" class="LineNr">726 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L727" class="LineNr">727 </span> 55/push-ebp +<span id="L728" class="LineNr">728 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L729" class="LineNr">729 </span> <span class="subxComment"># var src/esi: (addr array int) = [3, 4, 5]</span> +<span id="L730" class="LineNr">730 </span> 68/push 5/imm32 +<span id="L731" class="LineNr">731 </span> 68/push 4/imm32 +<span id="L732" class="LineNr">732 </span> 68/push 3/imm32 +<span id="L733" class="LineNr">733 </span> 68/push 0xc/imm32/size +<span id="L734" class="LineNr">734 </span> 89/copy 3/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to esi</span> +<span id="L735" class="LineNr">735 </span> <span class="subxComment"># var ad/ecx: allocation-descriptor containing 32 bytes</span> +<span id="L736" class="LineNr">736 </span> <span class="subxS1Comment"># . var end/ecx: (addr byte)</span> +<span id="L737" class="LineNr">737 </span> 89/<- %ecx 4/r32/esp +<span id="L738" class="LineNr">738 </span> <span class="subxS1Comment"># . var start/edx: (addr byte) = end - 32</span> +<span id="L739" class="LineNr">739 </span> 81 5/subop/subtract %esp 0x20/imm32 +<span id="L740" class="LineNr">740 </span> 89/<- %edx 4/r32/esp +<span id="L741" class="LineNr">741 </span> <span class="subxS1Comment"># . ad = {start, end}</span> +<span id="L742" class="LineNr">742 </span> 51/push-ecx +<span id="L743" class="LineNr">743 </span> 52/push-edx +<span id="L744" class="LineNr">744 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L745" class="LineNr">745 </span> <span class="subxComment"># var expected-payload/ebx = ad->curr</span> +<span id="L746" class="LineNr">746 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to ebx</span> +<span id="L747" class="LineNr">747 </span> <span class="subxComment"># var h/edx: handle = {0, 0}</span> +<span id="L748" class="LineNr">748 </span> 68/push 0/imm32 +<span id="L749" class="LineNr">749 </span> 68/push 0/imm32 +<span id="L750" class="LineNr">750 </span> 89/copy 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to edx</span> +<span id="L751" class="LineNr">751 </span> <span class="subxComment"># *Next-alloc-id = 0x34</span> +<span id="L752" class="LineNr">752 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='120allocate.subx.html#L33'>Next-alloc-id</a></span>/disp32 0x34/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L753" class="LineNr">753 </span> <span class="subxComment"># copy-array(ad, src, h)</span> +<span id="L754" class="LineNr">754 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L755" class="LineNr">755 </span> 52/push-edx +<span id="L756" class="LineNr">756 </span> 56/push-esi +<span id="L757" class="LineNr">757 </span> 51/push-ecx +<span id="L758" class="LineNr">758 </span> <span class="subxS2Comment"># . . call</span> +<span id="L759" class="LineNr">759 </span> e8/call <a href='120allocate.subx.html#L669'>copy-array</a>/disp32 +<span id="L760" class="LineNr">760 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L761" class="LineNr">761 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L762" class="LineNr">762 </span> <span class="subxComment"># check-ints-equal(h->alloc-id, 0x34, msg)</span> +<span id="L763" class="LineNr">763 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L764" class="LineNr">764 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L725'>test-copy-array</a>: sets alloc-id in handle"</span>/imm32 +<span id="L765" class="LineNr">765 </span> 68/push 0x34/imm32 +<span id="L766" class="LineNr">766 </span> ff 6/subop/push 0/mod/indirect 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *edx</span> +<span id="L767" class="LineNr">767 </span> <span class="subxS2Comment"># . . call</span> +<span id="L768" class="LineNr">768 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L769" class="LineNr">769 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L770" class="LineNr">770 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L771" class="LineNr">771 </span> <span class="subxComment"># check-ints-equal(h->payload, expected-payload, msg)</span> +<span id="L772" class="LineNr">772 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L773" class="LineNr">773 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L725'>test-copy-array</a>: sets payload in handle"</span>/imm32 +<span id="L774" class="LineNr">774 </span> 53/push-ebx +<span id="L775" class="LineNr">775 </span> ff 6/subop/push 1/mod/*+disp8 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(edx+4)</span> +<span id="L776" class="LineNr">776 </span> <span class="subxS2Comment"># . . call</span> +<span id="L777" class="LineNr">777 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L778" class="LineNr">778 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L779" class="LineNr">779 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L780" class="LineNr">780 </span> <span class="subxComment"># check-ints-equal(h->payload->alloc-id, 0x34, msg)</span> +<span id="L781" class="LineNr">781 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L782" class="LineNr">782 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L725'>test-copy-array</a>: sets alloc-id in payload"</span>/imm32 +<span id="L783" class="LineNr">783 </span> 68/push 0x34/imm32 +<span id="L784" class="LineNr">784 </span> ff 6/subop/push 0/mod/indirect 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *edx</span> +<span id="L785" class="LineNr">785 </span> <span class="subxS2Comment"># . . call</span> +<span id="L786" class="LineNr">786 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L787" class="LineNr">787 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L788" class="LineNr">788 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L789" class="LineNr">789 </span> <span class="subxComment"># var payload/eax: (addr int) = lookup(h)</span> +<span id="L790" class="LineNr">790 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L791" class="LineNr">791 </span> ff 6/subop/push 1/mod/*+disp8 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(edx+4)</span> +<span id="L792" class="LineNr">792 </span> ff 6/subop/push 0/mod/indirect 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *edx</span> +<span id="L793" class="LineNr">793 </span> <span class="subxS2Comment"># . . call</span> +<span id="L794" class="LineNr">794 </span> e8/call <a href='120allocate.subx.html#L226'>lookup</a>/disp32 +<span id="L795" class="LineNr">795 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L796" class="LineNr">796 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L797" class="LineNr">797 </span> <span class="subxComment"># check-ints-equal(payload->size, 0xc, msg)</span> +<span id="L798" class="LineNr">798 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L799" class="LineNr">799 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L725'>test-copy-array</a>: sets array size in payload"</span>/imm32 +<span id="L800" class="LineNr">800 </span> 68/push 0xc/imm32 +<span id="L801" class="LineNr">801 </span> ff 6/subop/push 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *eax</span> +<span id="L802" class="LineNr">802 </span> <span class="subxS2Comment"># . . call</span> +<span id="L803" class="LineNr">803 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L804" class="LineNr">804 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L805" class="LineNr">805 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L806" class="LineNr">806 </span> <span class="subxComment"># check-ints-equal(*Next-alloc-id, 0x35, msg)</span> +<span id="L807" class="LineNr">807 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L808" class="LineNr">808 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L725'>test-copy-array</a>: increments Next-alloc-id"</span>/imm32 +<span id="L809" class="LineNr">809 </span> 68/push 0x35/imm32 +<span id="L810" class="LineNr">810 </span> ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='120allocate.subx.html#L33'>Next-alloc-id</a></span>/disp32 <span class="subxComment"># push *Next-alloc-id</span> +<span id="L811" class="LineNr">811 </span> <span class="subxS2Comment"># . . call</span> +<span id="L812" class="LineNr">812 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L813" class="LineNr">813 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L814" class="LineNr">814 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L815" class="LineNr">815 </span> <span class="subxComment"># check-ints-equal(ad->curr - expected-payload, 12 + 4 for alloc-id + 4 for size, msg)</span> +<span id="L816" class="LineNr">816 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L817" class="LineNr">817 </span> 68/push <span class="Constant">"F - <a href='120allocate.subx.html#L725'>test-copy-array</a>: updates allocation descriptor"</span>/imm32 +<span id="L818" class="LineNr">818 </span> 68/push 0x14/imm32 +<span id="L819" class="LineNr">819 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to eax</span> +<span id="L820" class="LineNr">820 </span> 29/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract ebx from eax</span> +<span id="L821" class="LineNr">821 </span> 50/push-eax +<span id="L822" class="LineNr">822 </span> <span class="subxS2Comment"># . . call</span> +<span id="L823" class="LineNr">823 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L824" class="LineNr">824 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L825" class="LineNr">825 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L826" class="LineNr">826 </span> <span class="subxComment"># clean up</span> +<span id="L827" class="LineNr">827 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='120allocate.subx.html#L33'>Next-alloc-id</a></span>/disp32 1/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L828" class="LineNr">828 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L829" class="LineNr">829 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x40/imm32 <span class="subxComment"># add to esp</span> +<span id="L830" class="LineNr">830 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L831" class="LineNr">831 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L832" class="LineNr">832 </span> 5d/pop-to-ebp +<span id="L833" class="LineNr">833 </span> c3/return +<span id="L834" class="LineNr">834 </span> +<span id="L835" class="LineNr">835 </span><span class="subxComment"># Fill a region of memory with zeroes.</span> +<span id="L836" class="LineNr">836 </span><span class="subxFunction">zero-out</span>: <span class="subxComment"># start: (addr byte), size: int</span> +<span id="L837" class="LineNr">837 </span> <span class="subxComment"># pseudocode:</span> +<span id="L838" class="LineNr">838 </span> <span class="subxComment"># curr/esi = start</span> +<span id="L839" class="LineNr">839 </span> <span class="subxComment"># i/ecx = 0</span> +<span id="L840" class="LineNr">840 </span> <span class="subxComment"># while true</span> +<span id="L841" class="LineNr">841 </span> <span class="subxComment"># if (i >= size) break</span> +<span id="L842" class="LineNr">842 </span> <span class="subxComment"># *curr = 0</span> +<span id="L843" class="LineNr">843 </span> <span class="subxComment"># ++curr</span> +<span id="L844" class="LineNr">844 </span> <span class="subxComment"># ++i</span> +<span id="L845" class="LineNr">845 </span> <span class="subxComment">#</span> +<span id="L846" class="LineNr">846 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L847" class="LineNr">847 </span> 55/push-ebp +<span id="L848" class="LineNr">848 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L849" class="LineNr">849 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L850" class="LineNr">850 </span> 50/push-eax +<span id="L851" class="LineNr">851 </span> 51/push-ecx +<span id="L852" class="LineNr">852 </span> 52/push-edx +<span id="L853" class="LineNr">853 </span> 56/push-esi +<span id="L854" class="LineNr">854 </span> <span class="subxComment"># curr/esi = start</span> +<span id="L855" class="LineNr">855 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L856" class="LineNr">856 </span> <span class="subxComment"># var i/ecx: int = 0</span> +<span id="L857" class="LineNr">857 </span> 31/xor 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ecx</span> +<span id="L858" class="LineNr">858 </span> <span class="subxComment"># edx = size</span> +<span id="L859" class="LineNr">859 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edx</span> +<span id="L860" class="LineNr">860 </span><span class="Constant">$zero-out:loop</span>: +<span id="L861" class="LineNr">861 </span> <span class="subxComment"># if (i >= size) break</span> +<span id="L862" class="LineNr">862 </span> 39/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with edx</span> +<span id="L863" class="LineNr">863 </span> 7d/jump-if->= $zero-out:end/disp8 +<span id="L864" class="LineNr">864 </span> <span class="subxComment"># *curr = 0</span> +<span id="L865" class="LineNr">865 </span> c6 0/subop/copy-byte 0/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm8 <span class="subxComment"># copy byte to *esi</span> +<span id="L866" class="LineNr">866 </span> <span class="subxComment"># ++curr</span> +<span id="L867" class="LineNr">867 </span> 46/increment-esi +<span id="L868" class="LineNr">868 </span> <span class="subxComment"># ++i</span> +<span id="L869" class="LineNr">869 </span> 41/increment-ecx +<span id="L870" class="LineNr">870 </span> eb/jump $zero-out:<span class="Constant">loop</span>/disp8 +<span id="L871" class="LineNr">871 </span><span class="Constant">$zero-out:end</span>: +<span id="L872" class="LineNr">872 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L873" class="LineNr">873 </span> 5e/pop-to-esi +<span id="L874" class="LineNr">874 </span> 5a/pop-to-edx +<span id="L875" class="LineNr">875 </span> 59/pop-to-ecx +<span id="L876" class="LineNr">876 </span> 58/pop-to-eax +<span id="L877" class="LineNr">877 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L878" class="LineNr">878 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L879" class="LineNr">879 </span> 5d/pop-to-ebp +<span id="L880" class="LineNr">880 </span> c3/return +<span id="L881" class="LineNr">881 </span> +<span id="L882" class="LineNr">882 </span><span class="subxTest">test-zero-out</span>: +<span id="L883" class="LineNr">883 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L884" class="LineNr">884 </span> 55/push-ebp +<span id="L885" class="LineNr">885 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L886" class="LineNr">886 </span> <span class="subxComment"># region/ecx = 34, 35, 36, 37</span> +<span id="L887" class="LineNr">887 </span> 68/push 0x37363534/imm32 +<span id="L888" class="LineNr">888 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L889" class="LineNr">889 </span> <span class="subxComment"># zero-out(ecx, 3)</span> +<span id="L890" class="LineNr">890 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L891" class="LineNr">891 </span> 68/push 3/imm32/size +<span id="L892" class="LineNr">892 </span> 51/push-ecx +<span id="L893" class="LineNr">893 </span> <span class="subxS2Comment"># . . call</span> +<span id="L894" class="LineNr">894 </span> e8/call <a href='120allocate.subx.html#L836'>zero-out</a>/disp32 +<span id="L895" class="LineNr">895 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L896" class="LineNr">896 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L897" class="LineNr">897 </span> <span class="subxComment"># first 3 bytes cleared, fourth left alone</span> +<span id="L898" class="LineNr">898 </span> <span class="subxS1Comment"># . check-ints-equal(*ecx, 0x37000000, msg)</span> +<span id="L899" class="LineNr">899 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L900" class="LineNr">900 </span> 68/push <span class="Constant">"F - test-zero-out"</span>/imm32 +<span id="L901" class="LineNr">901 </span> 68/push 0x37000000/imm32 +<span id="L902" class="LineNr">902 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ecx</span> +<span id="L903" class="LineNr">903 </span> <span class="subxS2Comment"># . . call</span> +<span id="L904" class="LineNr">904 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L905" class="LineNr">905 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L906" class="LineNr">906 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L907" class="LineNr">907 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L908" class="LineNr">908 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L909" class="LineNr">909 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L910" class="LineNr">910 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L911" class="LineNr">911 </span> 5d/pop-to-ebp +<span id="L912" class="LineNr">912 </span> c3/return +<span id="L913" class="LineNr">913 </span> +<span id="L914" class="LineNr">914 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/baremetal/123slice.subx.html b/html/baremetal/123slice.subx.html new file mode 100644 index 00000000..312af093 --- /dev/null +++ b/html/baremetal/123slice.subx.html @@ -0,0 +1,1109 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - baremetal/123slice.subx</title> +<meta name="Generator" content="Vim/8.1"> +<meta name="plugin-version" content="vim8.1_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="number_lines,use_css,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.subxH1Comment { color: #005faf; text-decoration: underline; } +.subxComment { color: #005faf; } +.subxS1Comment { color: #0000af; } +.subxS2Comment { color: #8a8a8a; } +.LineNr { } +.Constant { color: #008787; } +.subxTest { color: #5f8700; } +.subxFunction { color: #af5f00; text-decoration: underline; } +.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } +.Folded { color: #080808; background-color: #949494; } +--> +</style> + +<script type='text/javascript'> +<!-- + +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + var lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + +--> +</script> +</head> +<body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/main/baremetal/123slice.subx'>https://github.com/akkartik/mu/blob/main/baremetal/123slice.subx</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># new data structure: a slice is an open interval of addresses [start, end)</span> +<span id="L2" class="LineNr"> 2 </span><span class="subxComment"># that includes 'start' but not 'end'</span> +<span id="L3" class="LineNr"> 3 </span> +<span id="L4" class="LineNr"> 4 </span>== code +<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># instruction effective address register displacement immediate</span> +<span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> +<span id="L7" class="LineNr"> 7 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L8" class="LineNr"> 8 </span> +<span id="L9" class="LineNr"> 9 </span><span class="subxFunction">slice-empty?</span>: <span class="subxComment"># s: (addr slice) -> result/eax: boolean</span> +<span id="L10" class="LineNr"> 10 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L11" class="LineNr"> 11 </span> 55/push-ebp +<span id="L12" class="LineNr"> 12 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L13" class="LineNr"> 13 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L14" class="LineNr"> 14 </span> 51/push-ecx +<span id="L15" class="LineNr"> 15 </span> <span class="subxComment"># ecx = s</span> +<span id="L16" class="LineNr"> 16 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span> +<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># if (s->start >= s->end) return true</span> +<span id="L18" class="LineNr"> 18 </span> <span class="subxS1Comment"># . eax = s->start</span> +<span id="L19" class="LineNr"> 19 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to eax</span> +<span id="L20" class="LineNr"> 20 </span> <span class="subxS1Comment"># . if (eax >= s->end) return true</span> +<span id="L21" class="LineNr"> 21 </span> 3b/compare 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare eax with *(ecx+4)</span> +<span id="L22" class="LineNr"> 22 </span> b8/copy-to-eax 1/imm32/true +<span id="L23" class="LineNr"> 23 </span> 73/jump-if-addr>= $slice-empty?:end/disp8 +<span id="L24" class="LineNr"> 24 </span> b8/copy-to-eax 0/imm32/false +<span id="L25" class="LineNr"> 25 </span><span class="Constant">$slice-empty?:end</span>: +<span id="L26" class="LineNr"> 26 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L27" class="LineNr"> 27 </span> 59/pop-to-ecx +<span id="L28" class="LineNr"> 28 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L29" class="LineNr"> 29 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L30" class="LineNr"> 30 </span> 5d/pop-to-ebp +<span id="L31" class="LineNr"> 31 </span> c3/return +<span id="L32" class="LineNr"> 32 </span> +<span id="L33" class="LineNr"> 33 </span><span class="subxTest">test-slice-empty-true</span>: +<span id="L34" class="LineNr"> 34 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L35" class="LineNr"> 35 </span> 55/push-ebp +<span id="L36" class="LineNr"> 36 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># var slice/ecx: slice = {34, 34}</span> +<span id="L38" class="LineNr"> 38 </span> 68/push 34/imm32/end +<span id="L39" class="LineNr"> 39 </span> 68/push 34/imm32/start +<span id="L40" class="LineNr"> 40 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># slice-empty?(slice)</span> +<span id="L42" class="LineNr"> 42 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L43" class="LineNr"> 43 </span> 51/push-ecx +<span id="L44" class="LineNr"> 44 </span> <span class="subxS2Comment"># . . call</span> +<span id="L45" class="LineNr"> 45 </span> e8/call <a href='123slice.subx.html#L9'>slice-empty?</a>/disp32 +<span id="L46" class="LineNr"> 46 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L47" class="LineNr"> 47 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L49" class="LineNr"> 49 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L50" class="LineNr"> 50 </span> 68/push <span class="Constant">"F - test-slice-empty-true"</span>/imm32 +<span id="L51" class="LineNr"> 51 </span> 68/push 1/imm32 +<span id="L52" class="LineNr"> 52 </span> 50/push-eax +<span id="L53" class="LineNr"> 53 </span> <span class="subxS2Comment"># . . call</span> +<span id="L54" class="LineNr"> 54 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L55" class="LineNr"> 55 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L56" class="LineNr"> 56 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L57" class="LineNr"> 57 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L58" class="LineNr"> 58 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L59" class="LineNr"> 59 </span> 5d/pop-to-ebp +<span id="L60" class="LineNr"> 60 </span> c3/return +<span id="L61" class="LineNr"> 61 </span> +<span id="L62" class="LineNr"> 62 </span><span class="subxTest">test-slice-empty-false</span>: +<span id="L63" class="LineNr"> 63 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L64" class="LineNr"> 64 </span> 55/push-ebp +<span id="L65" class="LineNr"> 65 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># var slice/ecx: slice = {32, 34}</span> +<span id="L67" class="LineNr"> 67 </span> 68/push 34/imm32/end +<span id="L68" class="LineNr"> 68 </span> 68/push 32/imm32/start +<span id="L69" class="LineNr"> 69 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L70" class="LineNr"> 70 </span> <span class="subxComment"># slice-empty?(slice)</span> +<span id="L71" class="LineNr"> 71 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L72" class="LineNr"> 72 </span> 51/push-ecx +<span id="L73" class="LineNr"> 73 </span> <span class="subxS2Comment"># . . call</span> +<span id="L74" class="LineNr"> 74 </span> e8/call <a href='123slice.subx.html#L9'>slice-empty?</a>/disp32 +<span id="L75" class="LineNr"> 75 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L76" class="LineNr"> 76 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L78" class="LineNr"> 78 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L79" class="LineNr"> 79 </span> 68/push <span class="Constant">"F - test-slice-empty-false"</span>/imm32 +<span id="L80" class="LineNr"> 80 </span> 68/push 0/imm32 +<span id="L81" class="LineNr"> 81 </span> 50/push-eax +<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . call</span> +<span id="L83" class="LineNr"> 83 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L84" class="LineNr"> 84 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L85" class="LineNr"> 85 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L86" class="LineNr"> 86 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L87" class="LineNr"> 87 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L88" class="LineNr"> 88 </span> 5d/pop-to-ebp +<span id="L89" class="LineNr"> 89 </span> c3/return +<span id="L90" class="LineNr"> 90 </span> +<span id="L91" class="LineNr"> 91 </span><span class="subxTest">test-slice-empty-if-start-greater-than-end</span>: +<span id="L92" class="LineNr"> 92 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L93" class="LineNr"> 93 </span> 55/push-ebp +<span id="L94" class="LineNr"> 94 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># var slice/ecx: slice = {34, 32}</span> +<span id="L96" class="LineNr"> 96 </span> 68/push 32/imm32/end +<span id="L97" class="LineNr"> 97 </span> 68/push 34/imm32/start +<span id="L98" class="LineNr"> 98 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L99" class="LineNr"> 99 </span> <span class="subxComment"># slice-empty?(slice)</span> +<span id="L100" class="LineNr"> 100 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L101" class="LineNr"> 101 </span> 51/push-ecx +<span id="L102" class="LineNr"> 102 </span> <span class="subxS2Comment"># . . call</span> +<span id="L103" class="LineNr"> 103 </span> e8/call <a href='123slice.subx.html#L9'>slice-empty?</a>/disp32 +<span id="L104" class="LineNr"> 104 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L105" class="LineNr"> 105 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L106" class="LineNr"> 106 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L107" class="LineNr"> 107 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L108" class="LineNr"> 108 </span> 68/push <span class="Constant">"F - test-slice-empty-if-start-greater-than-end"</span>/imm32 +<span id="L109" class="LineNr"> 109 </span> 68/push 1/imm32 +<span id="L110" class="LineNr"> 110 </span> 50/push-eax +<span id="L111" class="LineNr"> 111 </span> <span class="subxS2Comment"># . . call</span> +<span id="L112" class="LineNr"> 112 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L113" class="LineNr"> 113 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L114" class="LineNr"> 114 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L115" class="LineNr"> 115 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L116" class="LineNr"> 116 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L117" class="LineNr"> 117 </span> 5d/pop-to-ebp +<span id="L118" class="LineNr"> 118 </span> c3/return +<span id="L119" class="LineNr"> 119 </span> +<span id="L120" class="LineNr"> 120 </span><span class="subxFunction">slice-equal?</span>: <span class="subxComment"># s: (addr slice), p: (addr array byte) -> result/eax: boolean</span> +<span id="L121" class="LineNr"> 121 </span> <span class="subxComment"># pseudocode:</span> +<span id="L122" class="LineNr"> 122 </span> <span class="subxComment"># if (p == 0) return (s == 0)</span> +<span id="L123" class="LineNr"> 123 </span> <span class="subxComment"># currs = s->start</span> +<span id="L124" class="LineNr"> 124 </span> <span class="subxComment"># maxs = s->end</span> +<span id="L125" class="LineNr"> 125 </span> <span class="subxComment"># if (maxs - currs != p->size) return false</span> +<span id="L126" class="LineNr"> 126 </span> <span class="subxComment"># currp = p->data</span> +<span id="L127" class="LineNr"> 127 </span> <span class="subxComment"># while currs < maxs</span> +<span id="L128" class="LineNr"> 128 </span> <span class="subxComment"># if (*currs != *currp) return false</span> +<span id="L129" class="LineNr"> 129 </span> <span class="subxComment"># ++currs</span> +<span id="L130" class="LineNr"> 130 </span> <span class="subxComment"># ++currp</span> +<span id="L131" class="LineNr"> 131 </span> <span class="subxComment"># return true</span> +<span id="L132" class="LineNr"> 132 </span> <span class="subxComment">#</span> +<span id="L133" class="LineNr"> 133 </span> <span class="subxComment"># registers:</span> +<span id="L134" class="LineNr"> 134 </span> <span class="subxComment"># currs: edx</span> +<span id="L135" class="LineNr"> 135 </span> <span class="subxComment"># maxs: esi</span> +<span id="L136" class="LineNr"> 136 </span> <span class="subxComment"># currp: ebx</span> +<span id="L137" class="LineNr"> 137 </span> <span class="subxComment"># *currs: eax</span> +<span id="L138" class="LineNr"> 138 </span> <span class="subxComment"># *currp: ecx</span> +<span id="L139" class="LineNr"> 139 </span> <span class="subxComment">#</span> +<span id="L140" class="LineNr"> 140 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L141" class="LineNr"> 141 </span> 55/push-ebp +<span id="L142" class="LineNr"> 142 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L143" class="LineNr"> 143 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L144" class="LineNr"> 144 </span> 51/push-ecx +<span id="L145" class="LineNr"> 145 </span> 52/push-edx +<span id="L146" class="LineNr"> 146 </span> 53/push-ebx +<span id="L147" class="LineNr"> 147 </span> 56/push-esi +<span id="L148" class="LineNr"> 148 </span> <span class="subxComment"># esi = s</span> +<span id="L149" class="LineNr"> 149 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L150" class="LineNr"> 150 </span> <span class="subxComment"># var currs/edx: (addr byte) = s->start</span> +<span id="L151" class="LineNr"> 151 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to edx</span> +<span id="L152" class="LineNr"> 152 </span> <span class="subxComment"># var maxs/esi: (addr byte) = s->end</span> +<span id="L153" class="LineNr"> 153 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to esi</span> +<span id="L154" class="LineNr"> 154 </span> <span class="subxComment"># var ssize/eax: int = maxs - currs</span> +<span id="L155" class="LineNr"> 155 </span> 89/copy 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esi to eax</span> +<span id="L156" class="LineNr"> 156 </span> 29/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract edx from eax</span> +<span id="L157" class="LineNr"> 157 </span> <span class="subxComment"># ebx = p</span> +<span id="L158" class="LineNr"> 158 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to ebx</span> +<span id="L159" class="LineNr"> 159 </span> <span class="subxComment"># if (p != 0) goto next check</span> +<span id="L160" class="LineNr"> 160 </span> 81 7/subop/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare ebx</span> +<span id="L161" class="LineNr"> 161 </span> 75/jump-if-!= $slice-equal?:nonnull-string/disp8 +<span id="L162" class="LineNr"> 162 </span><span class="Constant">$slice-equal?:null-string</span>: +<span id="L163" class="LineNr"> 163 </span> <span class="subxComment"># return s->start == s->end</span> +<span id="L164" class="LineNr"> 164 </span> 3d/compare-eax-and 0/imm32 +<span id="L165" class="LineNr"> 165 </span> 74/jump-if-= $slice-equal?:true/disp8 +<span id="L166" class="LineNr"> 166 </span> eb/jump $slice-equal?:false/disp8 +<span id="L167" class="LineNr"> 167 </span><span class="Constant">$slice-equal?:nonnull-string</span>: +<span id="L168" class="LineNr"> 168 </span> <span class="subxComment"># if (ssize != p->size) return false</span> +<span id="L169" class="LineNr"> 169 </span> 39/compare 0/mod/indirect 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *ebx and eax</span> +<span id="L170" class="LineNr"> 170 </span> 75/jump-if-!= $slice-equal?:false/disp8 +<span id="L171" class="LineNr"> 171 </span> <span class="subxComment"># var currp/ebx: (addr byte) = p->data</span> +<span id="L172" class="LineNr"> 172 </span> 81 0/subop/add 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ebx</span> +<span id="L173" class="LineNr"> 173 </span> <span class="subxComment"># var c1/eax: byte = 0</span> +<span id="L174" class="LineNr"> 174 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L175" class="LineNr"> 175 </span> <span class="subxComment"># var c2/ecx: byte = 0</span> +<span id="L176" class="LineNr"> 176 </span> 31/xor 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ecx</span> +<span id="L177" class="LineNr"> 177 </span><span class="Constant">$slice-equal?:loop</span>: +<span id="L178" class="LineNr"> 178 </span> <span class="subxComment"># if (currs >= maxs) return true</span> +<span id="L179" class="LineNr"> 179 </span> 39/compare 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare edx with esi</span> +<span id="L180" class="LineNr"> 180 </span> 73/jump-if-addr>= $slice-equal?:true/disp8 +<span id="L181" class="LineNr"> 181 </span> <span class="subxComment"># c1 = *currp</span> +<span id="L182" class="LineNr"> 182 </span> 8a/copy-byte 0/mod/indirect 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ebx to AL</span> +<span id="L183" class="LineNr"> 183 </span> <span class="subxComment"># c2 = *currs</span> +<span id="L184" class="LineNr"> 184 </span> 8a/copy-byte 0/mod/indirect 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/CL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *edx to CL</span> +<span id="L185" class="LineNr"> 185 </span> <span class="subxComment"># if (c1 != c2) return false</span> +<span id="L186" class="LineNr"> 186 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax and ecx</span> +<span id="L187" class="LineNr"> 187 </span> 75/jump-if-!= $slice-equal?:false/disp8 +<span id="L188" class="LineNr"> 188 </span> <span class="subxComment"># ++currp</span> +<span id="L189" class="LineNr"> 189 </span> 43/increment-ebx +<span id="L190" class="LineNr"> 190 </span> <span class="subxComment"># ++currs</span> +<span id="L191" class="LineNr"> 191 </span> 42/increment-edx +<span id="L192" class="LineNr"> 192 </span> eb/jump $slice-equal?:<span class="Constant">loop</span>/disp8 +<span id="L193" class="LineNr"> 193 </span><span class="Constant">$slice-equal?:false</span>: +<span id="L194" class="LineNr"> 194 </span> b8/copy-to-eax 0/imm32 +<span id="L195" class="LineNr"> 195 </span> eb/jump $slice-equal?:end/disp8 +<span id="L196" class="LineNr"> 196 </span><span class="Constant">$slice-equal?:true</span>: +<span id="L197" class="LineNr"> 197 </span> b8/copy-to-eax 1/imm32 +<span id="L198" class="LineNr"> 198 </span><span class="Constant">$slice-equal?:end</span>: +<span id="L199" class="LineNr"> 199 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L200" class="LineNr"> 200 </span> 5e/pop-to-esi +<span id="L201" class="LineNr"> 201 </span> 5b/pop-to-ebx +<span id="L202" class="LineNr"> 202 </span> 5a/pop-to-edx +<span id="L203" class="LineNr"> 203 </span> 59/pop-to-ecx +<span id="L204" class="LineNr"> 204 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L205" class="LineNr"> 205 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L206" class="LineNr"> 206 </span> 5d/pop-to-ebp +<span id="L207" class="LineNr"> 207 </span> c3/return +<span id="L208" class="LineNr"> 208 </span> +<span id="L209" class="LineNr"> 209 </span><span class="subxTest">test-slice-equal</span>: +<span id="L210" class="LineNr"> 210 </span> <span class="subxH1Comment"># - slice-equal?(slice("Abc"), "Abc") == 1</span> +<span id="L211" class="LineNr"> 211 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L212" class="LineNr"> 212 </span> 55/push-ebp +<span id="L213" class="LineNr"> 213 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L214" class="LineNr"> 214 </span> <span class="subxComment"># (eax..ecx) = "Abc"</span> +<span id="L215" class="LineNr"> 215 </span> b8/copy-to-eax <span class="Constant">"Abc"</span>/imm32 +<span id="L216" class="LineNr"> 216 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L217" class="LineNr"> 217 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L218" class="LineNr"> 218 </span> 05/add-to-eax 4/imm32 +<span id="L219" class="LineNr"> 219 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L220" class="LineNr"> 220 </span> 51/push-ecx +<span id="L221" class="LineNr"> 221 </span> 50/push-eax +<span id="L222" class="LineNr"> 222 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L223" class="LineNr"> 223 </span> <span class="subxComment"># eax = slice-equal?(ecx, "Abc")</span> +<span id="L224" class="LineNr"> 224 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L225" class="LineNr"> 225 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L226" class="LineNr"> 226 </span> 51/push-ecx +<span id="L227" class="LineNr"> 227 </span> <span class="subxS2Comment"># . . call</span> +<span id="L228" class="LineNr"> 228 </span> e8/call <a href='123slice.subx.html#L120'>slice-equal?</a>/disp32 +<span id="L229" class="LineNr"> 229 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L230" class="LineNr"> 230 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L231" class="LineNr"> 231 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L232" class="LineNr"> 232 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L233" class="LineNr"> 233 </span> 68/push <span class="Constant">"F - test-slice-equal"</span>/imm32 +<span id="L234" class="LineNr"> 234 </span> 68/push 1/imm32 +<span id="L235" class="LineNr"> 235 </span> 50/push-eax +<span id="L236" class="LineNr"> 236 </span> <span class="subxS2Comment"># . . call</span> +<span id="L237" class="LineNr"> 237 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L238" class="LineNr"> 238 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L239" class="LineNr"> 239 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L240" class="LineNr"> 240 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L241" class="LineNr"> 241 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L242" class="LineNr"> 242 </span> 5d/pop-to-ebp +<span id="L243" class="LineNr"> 243 </span> c3/return +<span id="L244" class="LineNr"> 244 </span> +<span id="L245" class="LineNr"> 245 </span><span class="subxTest">test-slice-equal-false</span>: +<span id="L246" class="LineNr"> 246 </span> <span class="subxH1Comment"># - slice-equal?(slice("bcd"), "Abc") == 0</span> +<span id="L247" class="LineNr"> 247 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L248" class="LineNr"> 248 </span> 55/push-ebp +<span id="L249" class="LineNr"> 249 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L250" class="LineNr"> 250 </span> <span class="subxComment"># (eax..ecx) = "bcd"</span> +<span id="L251" class="LineNr"> 251 </span> b8/copy-to-eax <span class="Constant">"bcd"</span>/imm32 +<span id="L252" class="LineNr"> 252 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L253" class="LineNr"> 253 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L254" class="LineNr"> 254 </span> 05/add-to-eax 4/imm32 +<span id="L255" class="LineNr"> 255 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L256" class="LineNr"> 256 </span> 51/push-ecx +<span id="L257" class="LineNr"> 257 </span> 50/push-eax +<span id="L258" class="LineNr"> 258 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L259" class="LineNr"> 259 </span> <span class="subxComment"># eax = slice-equal?(ecx, "Abc")</span> +<span id="L260" class="LineNr"> 260 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L261" class="LineNr"> 261 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L262" class="LineNr"> 262 </span> 51/push-ecx +<span id="L263" class="LineNr"> 263 </span> <span class="subxS2Comment"># . . call</span> +<span id="L264" class="LineNr"> 264 </span> e8/call <a href='123slice.subx.html#L120'>slice-equal?</a>/disp32 +<span id="L265" class="LineNr"> 265 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L266" class="LineNr"> 266 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L267" class="LineNr"> 267 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L268" class="LineNr"> 268 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L269" class="LineNr"> 269 </span> 68/push <span class="Constant">"F - test-slice-equal-false"</span>/imm32 +<span id="L270" class="LineNr"> 270 </span> 68/push 0/imm32 +<span id="L271" class="LineNr"> 271 </span> 50/push-eax +<span id="L272" class="LineNr"> 272 </span> <span class="subxS2Comment"># . . call</span> +<span id="L273" class="LineNr"> 273 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L274" class="LineNr"> 274 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L275" class="LineNr"> 275 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L276" class="LineNr"> 276 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L277" class="LineNr"> 277 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L278" class="LineNr"> 278 </span> 5d/pop-to-ebp +<span id="L279" class="LineNr"> 279 </span> c3/return +<span id="L280" class="LineNr"> 280 </span> +<span id="L281" class="LineNr"> 281 </span><span class="subxTest">test-slice-equal-too-long</span>: +<span id="L282" class="LineNr"> 282 </span> <span class="subxH1Comment"># - slice-equal?(slice("Abcd"), "Abc") == 0</span> +<span id="L283" class="LineNr"> 283 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L284" class="LineNr"> 284 </span> 55/push-ebp +<span id="L285" class="LineNr"> 285 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L286" class="LineNr"> 286 </span> <span class="subxComment"># (eax..ecx) = "Abcd"</span> +<span id="L287" class="LineNr"> 287 </span> b8/copy-to-eax <span class="Constant">"Abcd"</span>/imm32 +<span id="L288" class="LineNr"> 288 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L289" class="LineNr"> 289 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L290" class="LineNr"> 290 </span> 05/add-to-eax 4/imm32 +<span id="L291" class="LineNr"> 291 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L292" class="LineNr"> 292 </span> 51/push-ecx +<span id="L293" class="LineNr"> 293 </span> 50/push-eax +<span id="L294" class="LineNr"> 294 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L295" class="LineNr"> 295 </span> <span class="subxComment"># eax = slice-equal?(ecx, "Abc")</span> +<span id="L296" class="LineNr"> 296 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L297" class="LineNr"> 297 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L298" class="LineNr"> 298 </span> 51/push-ecx +<span id="L299" class="LineNr"> 299 </span> <span class="subxS2Comment"># . . call</span> +<span id="L300" class="LineNr"> 300 </span> e8/call <a href='123slice.subx.html#L120'>slice-equal?</a>/disp32 +<span id="L301" class="LineNr"> 301 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L302" class="LineNr"> 302 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L303" class="LineNr"> 303 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L304" class="LineNr"> 304 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L305" class="LineNr"> 305 </span> 68/push <span class="Constant">"F - test-slice-equal-too-long"</span>/imm32 +<span id="L306" class="LineNr"> 306 </span> 68/push 0/imm32 +<span id="L307" class="LineNr"> 307 </span> 50/push-eax +<span id="L308" class="LineNr"> 308 </span> <span class="subxS2Comment"># . . call</span> +<span id="L309" class="LineNr"> 309 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L310" class="LineNr"> 310 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L311" class="LineNr"> 311 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L312" class="LineNr"> 312 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L313" class="LineNr"> 313 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L314" class="LineNr"> 314 </span> 5d/pop-to-ebp +<span id="L315" class="LineNr"> 315 </span> c3/return +<span id="L316" class="LineNr"> 316 </span> +<span id="L317" class="LineNr"> 317 </span><span class="subxTest">test-slice-equal-too-short</span>: +<span id="L318" class="LineNr"> 318 </span> <span class="subxH1Comment"># - slice-equal?(slice("A"), "Abc") == 0</span> +<span id="L319" class="LineNr"> 319 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L320" class="LineNr"> 320 </span> 55/push-ebp +<span id="L321" class="LineNr"> 321 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L322" class="LineNr"> 322 </span> <span class="subxComment"># (eax..ecx) = "A"</span> +<span id="L323" class="LineNr"> 323 </span> b8/copy-to-eax <span class="Constant">"A"</span>/imm32 +<span id="L324" class="LineNr"> 324 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L325" class="LineNr"> 325 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L326" class="LineNr"> 326 </span> 05/add-to-eax 4/imm32 +<span id="L327" class="LineNr"> 327 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L328" class="LineNr"> 328 </span> 51/push-ecx +<span id="L329" class="LineNr"> 329 </span> 50/push-eax +<span id="L330" class="LineNr"> 330 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L331" class="LineNr"> 331 </span> <span class="subxComment"># eax = slice-equal?(ecx, "Abc")</span> +<span id="L332" class="LineNr"> 332 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L333" class="LineNr"> 333 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L334" class="LineNr"> 334 </span> 51/push-ecx +<span id="L335" class="LineNr"> 335 </span> <span class="subxS2Comment"># . . call</span> +<span id="L336" class="LineNr"> 336 </span> e8/call <a href='123slice.subx.html#L120'>slice-equal?</a>/disp32 +<span id="L337" class="LineNr"> 337 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L338" class="LineNr"> 338 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L339" class="LineNr"> 339 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L340" class="LineNr"> 340 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L341" class="LineNr"> 341 </span> 68/push <span class="Constant">"F - test-slice-equal-too-short"</span>/imm32 +<span id="L342" class="LineNr"> 342 </span> 68/push 0/imm32 +<span id="L343" class="LineNr"> 343 </span> 50/push-eax +<span id="L344" class="LineNr"> 344 </span> <span class="subxS2Comment"># . . call</span> +<span id="L345" class="LineNr"> 345 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L346" class="LineNr"> 346 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L347" class="LineNr"> 347 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L348" class="LineNr"> 348 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L349" class="LineNr"> 349 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L350" class="LineNr"> 350 </span> 5d/pop-to-ebp +<span id="L351" class="LineNr"> 351 </span> c3/return +<span id="L352" class="LineNr"> 352 </span> +<span id="L353" class="LineNr"> 353 </span><span class="subxTest">test-slice-equal-empty</span>: +<span id="L354" class="LineNr"> 354 </span> <span class="subxH1Comment"># - slice-equal?(slice(""), "Abc") == 0</span> +<span id="L355" class="LineNr"> 355 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L356" class="LineNr"> 356 </span> 55/push-ebp +<span id="L357" class="LineNr"> 357 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L358" class="LineNr"> 358 </span> <span class="subxComment"># var slice/ecx: slice</span> +<span id="L359" class="LineNr"> 359 </span> 68/push 0/imm32/end +<span id="L360" class="LineNr"> 360 </span> 68/push 0/imm32/start +<span id="L361" class="LineNr"> 361 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L362" class="LineNr"> 362 </span> <span class="subxComment"># eax = slice-equal?(ecx, "Abc")</span> +<span id="L363" class="LineNr"> 363 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L364" class="LineNr"> 364 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L365" class="LineNr"> 365 </span> 51/push-ecx +<span id="L366" class="LineNr"> 366 </span> <span class="subxS2Comment"># . . call</span> +<span id="L367" class="LineNr"> 367 </span> e8/call <a href='123slice.subx.html#L120'>slice-equal?</a>/disp32 +<span id="L368" class="LineNr"> 368 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L369" class="LineNr"> 369 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L370" class="LineNr"> 370 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L371" class="LineNr"> 371 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L372" class="LineNr"> 372 </span> 68/push <span class="Constant">"F - test-slice-equal-empty"</span>/imm32 +<span id="L373" class="LineNr"> 373 </span> 68/push 0/imm32 +<span id="L374" class="LineNr"> 374 </span> 50/push-eax +<span id="L375" class="LineNr"> 375 </span> <span class="subxS2Comment"># . . call</span> +<span id="L376" class="LineNr"> 376 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L377" class="LineNr"> 377 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L378" class="LineNr"> 378 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L379" class="LineNr"> 379 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L380" class="LineNr"> 380 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L381" class="LineNr"> 381 </span> 5d/pop-to-ebp +<span id="L382" class="LineNr"> 382 </span> c3/return +<span id="L383" class="LineNr"> 383 </span> +<span id="L384" class="LineNr"> 384 </span><span class="subxTest">test-slice-equal-with-empty</span>: +<span id="L385" class="LineNr"> 385 </span> <span class="subxH1Comment"># - slice-equal?(slice("Ab"), "") == 0</span> +<span id="L386" class="LineNr"> 386 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L387" class="LineNr"> 387 </span> 55/push-ebp +<span id="L388" class="LineNr"> 388 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L389" class="LineNr"> 389 </span> <span class="subxComment"># (eax..ecx) = "Ab"</span> +<span id="L390" class="LineNr"> 390 </span> b8/copy-to-eax <span class="Constant">"Ab"</span>/imm32 +<span id="L391" class="LineNr"> 391 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L392" class="LineNr"> 392 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L393" class="LineNr"> 393 </span> 05/add-to-eax 4/imm32 +<span id="L394" class="LineNr"> 394 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L395" class="LineNr"> 395 </span> 51/push-ecx +<span id="L396" class="LineNr"> 396 </span> 50/push-eax +<span id="L397" class="LineNr"> 397 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L398" class="LineNr"> 398 </span> <span class="subxComment"># eax = slice-equal?(ecx, "")</span> +<span id="L399" class="LineNr"> 399 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L400" class="LineNr"> 400 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L401" class="LineNr"> 401 </span> 51/push-ecx +<span id="L402" class="LineNr"> 402 </span> <span class="subxS2Comment"># . . call</span> +<span id="L403" class="LineNr"> 403 </span> e8/call <a href='123slice.subx.html#L120'>slice-equal?</a>/disp32 +<span id="L404" class="LineNr"> 404 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L405" class="LineNr"> 405 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L406" class="LineNr"> 406 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L407" class="LineNr"> 407 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L408" class="LineNr"> 408 </span> 68/push <span class="Constant">"F - test-slice-equal-with-empty"</span>/imm32 +<span id="L409" class="LineNr"> 409 </span> 68/push 0/imm32 +<span id="L410" class="LineNr"> 410 </span> 50/push-eax +<span id="L411" class="LineNr"> 411 </span> <span class="subxS2Comment"># . . call</span> +<span id="L412" class="LineNr"> 412 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L413" class="LineNr"> 413 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L414" class="LineNr"> 414 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L415" class="LineNr"> 415 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L416" class="LineNr"> 416 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L417" class="LineNr"> 417 </span> 5d/pop-to-ebp +<span id="L418" class="LineNr"> 418 </span> c3/return +<span id="L419" class="LineNr"> 419 </span> +<span id="L420" class="LineNr"> 420 </span><span class="subxTest">test-slice-equal-empty-with-empty</span>: +<span id="L421" class="LineNr"> 421 </span> <span class="subxH1Comment"># - slice-equal?(slice(""), "") == 1</span> +<span id="L422" class="LineNr"> 422 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L423" class="LineNr"> 423 </span> 55/push-ebp +<span id="L424" class="LineNr"> 424 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L425" class="LineNr"> 425 </span> <span class="subxComment"># var slice/ecx: slice</span> +<span id="L426" class="LineNr"> 426 </span> 68/push 0/imm32/end +<span id="L427" class="LineNr"> 427 </span> 68/push 0/imm32/start +<span id="L428" class="LineNr"> 428 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L429" class="LineNr"> 429 </span> <span class="subxComment"># eax = slice-equal?(ecx, "")</span> +<span id="L430" class="LineNr"> 430 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L431" class="LineNr"> 431 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L432" class="LineNr"> 432 </span> 51/push-ecx +<span id="L433" class="LineNr"> 433 </span> <span class="subxS2Comment"># . . call</span> +<span id="L434" class="LineNr"> 434 </span> e8/call <a href='123slice.subx.html#L120'>slice-equal?</a>/disp32 +<span id="L435" class="LineNr"> 435 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L436" class="LineNr"> 436 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L437" class="LineNr"> 437 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L438" class="LineNr"> 438 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L439" class="LineNr"> 439 </span> 68/push <span class="Constant">"F - test-slice-equal-empty-with-empty"</span>/imm32 +<span id="L440" class="LineNr"> 440 </span> 68/push 1/imm32 +<span id="L441" class="LineNr"> 441 </span> 50/push-eax +<span id="L442" class="LineNr"> 442 </span> <span class="subxS2Comment"># . . call</span> +<span id="L443" class="LineNr"> 443 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L444" class="LineNr"> 444 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L445" class="LineNr"> 445 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L446" class="LineNr"> 446 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L447" class="LineNr"> 447 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L448" class="LineNr"> 448 </span> 5d/pop-to-ebp +<span id="L449" class="LineNr"> 449 </span> c3/return +<span id="L450" class="LineNr"> 450 </span> +<span id="L451" class="LineNr"> 451 </span><span class="subxTest">test-slice-equal-with-null</span>: +<span id="L452" class="LineNr"> 452 </span> <span class="subxH1Comment"># - slice-equal?(slice("Ab"), null) == 0</span> +<span id="L453" class="LineNr"> 453 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L454" class="LineNr"> 454 </span> 55/push-ebp +<span id="L455" class="LineNr"> 455 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L456" class="LineNr"> 456 </span> <span class="subxComment"># (eax..ecx) = "Ab"</span> +<span id="L457" class="LineNr"> 457 </span> b8/copy-to-eax <span class="Constant">"Ab"</span>/imm32 +<span id="L458" class="LineNr"> 458 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L459" class="LineNr"> 459 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L460" class="LineNr"> 460 </span> 05/add-to-eax 4/imm32 +<span id="L461" class="LineNr"> 461 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L462" class="LineNr"> 462 </span> 51/push-ecx +<span id="L463" class="LineNr"> 463 </span> 50/push-eax +<span id="L464" class="LineNr"> 464 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L465" class="LineNr"> 465 </span> <span class="subxComment"># eax = slice-equal?(ecx, 0)</span> +<span id="L466" class="LineNr"> 466 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L467" class="LineNr"> 467 </span> 68/push 0/imm32 +<span id="L468" class="LineNr"> 468 </span> 51/push-ecx +<span id="L469" class="LineNr"> 469 </span> <span class="subxS2Comment"># . . call</span> +<span id="L470" class="LineNr"> 470 </span> e8/call <a href='123slice.subx.html#L120'>slice-equal?</a>/disp32 +<span id="L471" class="LineNr"> 471 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L472" class="LineNr"> 472 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L473" class="LineNr"> 473 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L474" class="LineNr"> 474 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L475" class="LineNr"> 475 </span> 68/push <span class="Constant">"F - test-slice-equal-with-null"</span>/imm32 +<span id="L476" class="LineNr"> 476 </span> 68/push 0/imm32 +<span id="L477" class="LineNr"> 477 </span> 50/push-eax +<span id="L478" class="LineNr"> 478 </span> <span class="subxS2Comment"># . . call</span> +<span id="L479" class="LineNr"> 479 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L480" class="LineNr"> 480 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L481" class="LineNr"> 481 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L482" class="LineNr"> 482 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L483" class="LineNr"> 483 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L484" class="LineNr"> 484 </span> 5d/pop-to-ebp +<span id="L485" class="LineNr"> 485 </span> c3/return +<span id="L486" class="LineNr"> 486 </span> +<span id="L487" class="LineNr"> 487 </span><span class="subxFunction">slice-starts-with?</span>: <span class="subxComment"># s: (addr slice), head: (addr array byte) -> result/eax: boolean</span> +<span id="L488" class="LineNr"> 488 </span> <span class="subxComment"># pseudocode</span> +<span id="L489" class="LineNr"> 489 </span> <span class="subxComment"># hsize = head->size</span> +<span id="L490" class="LineNr"> 490 </span> <span class="subxComment"># if (hsize > s->end - s->start) return false</span> +<span id="L491" class="LineNr"> 491 </span> <span class="subxComment"># i = 0</span> +<span id="L492" class="LineNr"> 492 </span> <span class="subxComment"># currs = s->start</span> +<span id="L493" class="LineNr"> 493 </span> <span class="subxComment"># currp = head->data</span> +<span id="L494" class="LineNr"> 494 </span> <span class="subxComment"># while i < hsize</span> +<span id="L495" class="LineNr"> 495 </span> <span class="subxComment"># if (*currs != *currh) return false</span> +<span id="L496" class="LineNr"> 496 </span> <span class="subxComment"># ++i</span> +<span id="L497" class="LineNr"> 497 </span> <span class="subxComment"># ++currs</span> +<span id="L498" class="LineNr"> 498 </span> <span class="subxComment"># ++currh</span> +<span id="L499" class="LineNr"> 499 </span> <span class="subxComment"># return true</span> +<span id="L500" class="LineNr"> 500 </span> <span class="subxComment">#</span> +<span id="L501" class="LineNr"> 501 </span> <span class="subxComment"># registers:</span> +<span id="L502" class="LineNr"> 502 </span> <span class="subxComment"># currs: esi</span> +<span id="L503" class="LineNr"> 503 </span> <span class="subxComment"># currh: edi</span> +<span id="L504" class="LineNr"> 504 </span> <span class="subxComment"># *currs: eax</span> +<span id="L505" class="LineNr"> 505 </span> <span class="subxComment"># *currh: ebx</span> +<span id="L506" class="LineNr"> 506 </span> <span class="subxComment"># i: ecx</span> +<span id="L507" class="LineNr"> 507 </span> <span class="subxComment"># hsize: edx</span> +<span id="L508" class="LineNr"> 508 </span> <span class="subxComment">#</span> +<span id="L509" class="LineNr"> 509 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L510" class="LineNr"> 510 </span> 55/push-ebp +<span id="L511" class="LineNr"> 511 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L512" class="LineNr"> 512 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L513" class="LineNr"> 513 </span> 51/push-ecx +<span id="L514" class="LineNr"> 514 </span> 52/push-edx +<span id="L515" class="LineNr"> 515 </span> 53/push-ebx +<span id="L516" class="LineNr"> 516 </span> 56/push-esi +<span id="L517" class="LineNr"> 517 </span> 57/push-edi +<span id="L518" class="LineNr"> 518 </span> <span class="subxComment"># esi = s</span> +<span id="L519" class="LineNr"> 519 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L520" class="LineNr"> 520 </span> <span class="subxComment"># var lens/ecx: int = s->end - s->start</span> +<span id="L521" class="LineNr"> 521 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ecx</span> +<span id="L522" class="LineNr"> 522 </span> 2b/subtract 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *esi from ecx</span> +<span id="L523" class="LineNr"> 523 </span> <span class="subxComment"># edi = head</span> +<span id="L524" class="LineNr"> 524 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edi</span> +<span id="L525" class="LineNr"> 525 </span> <span class="subxComment"># var hsize/edx: int = head->size</span> +<span id="L526" class="LineNr"> 526 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to edx</span> +<span id="L527" class="LineNr"> 527 </span> <span class="subxComment"># if (hsize > lens) return false</span> +<span id="L528" class="LineNr"> 528 </span> 39/compare 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare edx with ecx</span> +<span id="L529" class="LineNr"> 529 </span> 7f/jump-if-> $slice-starts-with?:false/disp8 +<span id="L530" class="LineNr"> 530 </span> <span class="subxComment"># var currs/esi: (addr byte) = s->start</span> +<span id="L531" class="LineNr"> 531 </span> 8b/subtract 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to esi</span> +<span id="L532" class="LineNr"> 532 </span> <span class="subxComment"># var currh/edi: (addr byte) = head->data</span> +<span id="L533" class="LineNr"> 533 </span> 81 0/subop/add 3/mod/direct 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to edi</span> +<span id="L534" class="LineNr"> 534 </span> <span class="subxComment"># var i/ecx: int = 0</span> +<span id="L535" class="LineNr"> 535 </span> 31/xor 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ecx</span> +<span id="L536" class="LineNr"> 536 </span> <span class="subxComment"># var c1/eax: byte = 0</span> +<span id="L537" class="LineNr"> 537 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L538" class="LineNr"> 538 </span> <span class="subxComment"># var c2/ebx: byte = 0</span> +<span id="L539" class="LineNr"> 539 </span> 31/xor 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ebx</span> +<span id="L540" class="LineNr"> 540 </span><span class="Constant">$slice-starts-with?:loop</span>: +<span id="L541" class="LineNr"> 541 </span> <span class="subxComment"># if (i >= hsize) return true</span> +<span id="L542" class="LineNr"> 542 </span> 39/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with edx</span> +<span id="L543" class="LineNr"> 543 </span> 7d/jump-if->= $slice-starts-with?:true/disp8 +<span id="L544" class="LineNr"> 544 </span> <span class="subxComment"># c1 = *currs</span> +<span id="L545" class="LineNr"> 545 </span> 8a/copy-byte 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *esi to AL</span> +<span id="L546" class="LineNr"> 546 </span> <span class="subxComment"># c2 = *currh</span> +<span id="L547" class="LineNr"> 547 </span> 8a/copy-byte 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *edi to BL</span> +<span id="L548" class="LineNr"> 548 </span> <span class="subxComment"># if (c1 != c2) return false</span> +<span id="L549" class="LineNr"> 549 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax and ebx</span> +<span id="L550" class="LineNr"> 550 </span> 75/jump-if-!= $slice-starts-with?:false/disp8 +<span id="L551" class="LineNr"> 551 </span> <span class="subxComment"># ++i</span> +<span id="L552" class="LineNr"> 552 </span> 41/increment-ecx +<span id="L553" class="LineNr"> 553 </span> <span class="subxComment"># ++currs</span> +<span id="L554" class="LineNr"> 554 </span> 46/increment-esi +<span id="L555" class="LineNr"> 555 </span> <span class="subxComment"># ++currh</span> +<span id="L556" class="LineNr"> 556 </span> 47/increment-edi +<span id="L557" class="LineNr"> 557 </span> eb/jump $slice-starts-with?:<span class="Constant">loop</span>/disp8 +<span id="L558" class="LineNr"> 558 </span><span class="Constant">$slice-starts-with?:true</span>: +<span id="L559" class="LineNr"> 559 </span> b8/copy-to-eax 1/imm32 +<span id="L560" class="LineNr"> 560 </span> eb/jump $slice-starts-with?:end/disp8 +<span id="L561" class="LineNr"> 561 </span><span class="Constant">$slice-starts-with?:false</span>: +<span id="L562" class="LineNr"> 562 </span> b8/copy-to-eax 0/imm32 +<span id="L563" class="LineNr"> 563 </span><span class="Constant">$slice-starts-with?:end</span>: +<span id="L564" class="LineNr"> 564 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L565" class="LineNr"> 565 </span> 5f/pop-to-edi +<span id="L566" class="LineNr"> 566 </span> 5e/pop-to-esi +<span id="L567" class="LineNr"> 567 </span> 5b/pop-to-ebx +<span id="L568" class="LineNr"> 568 </span> 5a/pop-to-edx +<span id="L569" class="LineNr"> 569 </span> 59/pop-to-ecx +<span id="L570" class="LineNr"> 570 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L571" class="LineNr"> 571 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L572" class="LineNr"> 572 </span> 5d/pop-to-ebp +<span id="L573" class="LineNr"> 573 </span> c3/return +<span id="L574" class="LineNr"> 574 </span> +<span id="L575" class="LineNr"> 575 </span><span class="subxTest">test-slice-starts-with-single-character</span>: +<span id="L576" class="LineNr"> 576 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "A") == 1</span> +<span id="L577" class="LineNr"> 577 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L578" class="LineNr"> 578 </span> 55/push-ebp +<span id="L579" class="LineNr"> 579 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L580" class="LineNr"> 580 </span> <span class="subxComment"># (eax..ecx) = "Abc"</span> +<span id="L581" class="LineNr"> 581 </span> b8/copy-to-eax <span class="Constant">"Abc"</span>/imm32 +<span id="L582" class="LineNr"> 582 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L583" class="LineNr"> 583 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L584" class="LineNr"> 584 </span> 05/add-to-eax 4/imm32 +<span id="L585" class="LineNr"> 585 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L586" class="LineNr"> 586 </span> 51/push-ecx +<span id="L587" class="LineNr"> 587 </span> 50/push-eax +<span id="L588" class="LineNr"> 588 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L589" class="LineNr"> 589 </span> <span class="subxComment"># eax = slice-starts-with?(ecx, "A")</span> +<span id="L590" class="LineNr"> 590 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L591" class="LineNr"> 591 </span> 68/push <span class="Constant">"A"</span>/imm32 +<span id="L592" class="LineNr"> 592 </span> 51/push-ecx +<span id="L593" class="LineNr"> 593 </span> <span class="subxS2Comment"># . . call</span> +<span id="L594" class="LineNr"> 594 </span> e8/call <a href='123slice.subx.html#L487'>slice-starts-with?</a>/disp32 +<span id="L595" class="LineNr"> 595 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L596" class="LineNr"> 596 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L597" class="LineNr"> 597 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L598" class="LineNr"> 598 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L599" class="LineNr"> 599 </span> 68/push <span class="Constant">"F - test-slice-starts-with-single-character"</span>/imm32 +<span id="L600" class="LineNr"> 600 </span> 68/push 1/imm32 +<span id="L601" class="LineNr"> 601 </span> 50/push-eax +<span id="L602" class="LineNr"> 602 </span> <span class="subxS2Comment"># . . call</span> +<span id="L603" class="LineNr"> 603 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L604" class="LineNr"> 604 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L605" class="LineNr"> 605 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L606" class="LineNr"> 606 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L607" class="LineNr"> 607 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L608" class="LineNr"> 608 </span> 5d/pop-to-ebp +<span id="L609" class="LineNr"> 609 </span> c3/return +<span id="L610" class="LineNr"> 610 </span> +<span id="L611" class="LineNr"> 611 </span><span class="subxTest">test-slice-starts-with-empty-string</span>: +<span id="L612" class="LineNr"> 612 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "") == 1</span> +<span id="L613" class="LineNr"> 613 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L614" class="LineNr"> 614 </span> 55/push-ebp +<span id="L615" class="LineNr"> 615 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L616" class="LineNr"> 616 </span> <span class="subxComment"># (eax..ecx) = "Abc"</span> +<span id="L617" class="LineNr"> 617 </span> b8/copy-to-eax <span class="Constant">"Abc"</span>/imm32 +<span id="L618" class="LineNr"> 618 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L619" class="LineNr"> 619 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L620" class="LineNr"> 620 </span> 05/add-to-eax 4/imm32 +<span id="L621" class="LineNr"> 621 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L622" class="LineNr"> 622 </span> 51/push-ecx +<span id="L623" class="LineNr"> 623 </span> 50/push-eax +<span id="L624" class="LineNr"> 624 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L625" class="LineNr"> 625 </span> <span class="subxComment"># eax = slice-starts-with?(ecx, "")</span> +<span id="L626" class="LineNr"> 626 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L627" class="LineNr"> 627 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L628" class="LineNr"> 628 </span> 51/push-ecx +<span id="L629" class="LineNr"> 629 </span> <span class="subxS2Comment"># . . call</span> +<span id="L630" class="LineNr"> 630 </span> e8/call <a href='123slice.subx.html#L487'>slice-starts-with?</a>/disp32 +<span id="L631" class="LineNr"> 631 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L632" class="LineNr"> 632 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L633" class="LineNr"> 633 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L634" class="LineNr"> 634 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L635" class="LineNr"> 635 </span> 68/push <span class="Constant">"F - test-slice-starts-with-empty-string"</span>/imm32 +<span id="L636" class="LineNr"> 636 </span> 68/push 1/imm32 +<span id="L637" class="LineNr"> 637 </span> 50/push-eax +<span id="L638" class="LineNr"> 638 </span> <span class="subxS2Comment"># . . call</span> +<span id="L639" class="LineNr"> 639 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L640" class="LineNr"> 640 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L641" class="LineNr"> 641 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L642" class="LineNr"> 642 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L643" class="LineNr"> 643 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L644" class="LineNr"> 644 </span> 5d/pop-to-ebp +<span id="L645" class="LineNr"> 645 </span> c3/return +<span id="L646" class="LineNr"> 646 </span> +<span id="L647" class="LineNr"> 647 </span><span class="subxTest">test-slice-starts-with-multiple-characters</span>: +<span id="L648" class="LineNr"> 648 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "Ab") == 1</span> +<span id="L649" class="LineNr"> 649 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L650" class="LineNr"> 650 </span> 55/push-ebp +<span id="L651" class="LineNr"> 651 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L652" class="LineNr"> 652 </span> <span class="subxComment"># (eax..ecx) = "Abc"</span> +<span id="L653" class="LineNr"> 653 </span> b8/copy-to-eax <span class="Constant">"Abc"</span>/imm32 +<span id="L654" class="LineNr"> 654 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L655" class="LineNr"> 655 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L656" class="LineNr"> 656 </span> 05/add-to-eax 4/imm32 +<span id="L657" class="LineNr"> 657 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L658" class="LineNr"> 658 </span> 51/push-ecx +<span id="L659" class="LineNr"> 659 </span> 50/push-eax +<span id="L660" class="LineNr"> 660 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L661" class="LineNr"> 661 </span> <span class="subxComment"># eax = slice-starts-with?(ecx, "Ab")</span> +<span id="L662" class="LineNr"> 662 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L663" class="LineNr"> 663 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L664" class="LineNr"> 664 </span> 51/push-ecx +<span id="L665" class="LineNr"> 665 </span> <span class="subxS2Comment"># . . call</span> +<span id="L666" class="LineNr"> 666 </span> e8/call <a href='123slice.subx.html#L487'>slice-starts-with?</a>/disp32 +<span id="L667" class="LineNr"> 667 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L668" class="LineNr"> 668 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L669" class="LineNr"> 669 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L670" class="LineNr"> 670 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L671" class="LineNr"> 671 </span> 68/push <span class="Constant">"F - test-slice-starts-with-multiple-characters"</span>/imm32 +<span id="L672" class="LineNr"> 672 </span> 68/push 1/imm32 +<span id="L673" class="LineNr"> 673 </span> 50/push-eax +<span id="L674" class="LineNr"> 674 </span> <span class="subxS2Comment"># . . call</span> +<span id="L675" class="LineNr"> 675 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L676" class="LineNr"> 676 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L677" class="LineNr"> 677 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L678" class="LineNr"> 678 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L679" class="LineNr"> 679 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L680" class="LineNr"> 680 </span> 5d/pop-to-ebp +<span id="L681" class="LineNr"> 681 </span> c3/return +<span id="L682" class="LineNr"> 682 </span> +<span id="L683" class="LineNr"> 683 </span><span class="subxTest">test-slice-starts-with-entire-string</span>: +<span id="L684" class="LineNr"> 684 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "Abc") == 1</span> +<span id="L685" class="LineNr"> 685 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L686" class="LineNr"> 686 </span> 55/push-ebp +<span id="L687" class="LineNr"> 687 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L688" class="LineNr"> 688 </span> <span class="subxComment"># (eax..ecx) = "Abc"</span> +<span id="L689" class="LineNr"> 689 </span> b8/copy-to-eax <span class="Constant">"Abc"</span>/imm32 +<span id="L690" class="LineNr"> 690 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L691" class="LineNr"> 691 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L692" class="LineNr"> 692 </span> 05/add-to-eax 4/imm32 +<span id="L693" class="LineNr"> 693 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L694" class="LineNr"> 694 </span> 51/push-ecx +<span id="L695" class="LineNr"> 695 </span> 50/push-eax +<span id="L696" class="LineNr"> 696 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L697" class="LineNr"> 697 </span> <span class="subxComment"># eax = slice-starts-with?(ecx, "Abc")</span> +<span id="L698" class="LineNr"> 698 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L699" class="LineNr"> 699 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L700" class="LineNr"> 700 </span> 51/push-ecx +<span id="L701" class="LineNr"> 701 </span> <span class="subxS2Comment"># . . call</span> +<span id="L702" class="LineNr"> 702 </span> e8/call <a href='123slice.subx.html#L487'>slice-starts-with?</a>/disp32 +<span id="L703" class="LineNr"> 703 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L704" class="LineNr"> 704 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L705" class="LineNr"> 705 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L706" class="LineNr"> 706 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L707" class="LineNr"> 707 </span> 68/push <span class="Constant">"F - test-slice-starts-with-entire-string"</span>/imm32 +<span id="L708" class="LineNr"> 708 </span> 68/push 1/imm32 +<span id="L709" class="LineNr"> 709 </span> 50/push-eax +<span id="L710" class="LineNr"> 710 </span> <span class="subxS2Comment"># . . call</span> +<span id="L711" class="LineNr"> 711 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L712" class="LineNr"> 712 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L713" class="LineNr"> 713 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L714" class="LineNr"> 714 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L715" class="LineNr"> 715 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L716" class="LineNr"> 716 </span> 5d/pop-to-ebp +<span id="L717" class="LineNr"> 717 </span> c3/return +<span id="L718" class="LineNr"> 718 </span> +<span id="L719" class="LineNr"> 719 </span><span class="subxTest">test-slice-starts-with-fails</span>: +<span id="L720" class="LineNr"> 720 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "Abd") == 1</span> +<span id="L721" class="LineNr"> 721 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L722" class="LineNr"> 722 </span> 55/push-ebp +<span id="L723" class="LineNr"> 723 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L724" class="LineNr"> 724 </span> <span class="subxComment"># (eax..ecx) = "Abc"</span> +<span id="L725" class="LineNr"> 725 </span> b8/copy-to-eax <span class="Constant">"Abc"</span>/imm32 +<span id="L726" class="LineNr"> 726 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L727" class="LineNr"> 727 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L728" class="LineNr"> 728 </span> 05/add-to-eax 4/imm32 +<span id="L729" class="LineNr"> 729 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L730" class="LineNr"> 730 </span> 51/push-ecx +<span id="L731" class="LineNr"> 731 </span> 50/push-eax +<span id="L732" class="LineNr"> 732 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L733" class="LineNr"> 733 </span> <span class="subxComment"># eax = slice-starts-with?(ecx, "Abd")</span> +<span id="L734" class="LineNr"> 734 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L735" class="LineNr"> 735 </span> 68/push <span class="Constant">"Abd"</span>/imm32 +<span id="L736" class="LineNr"> 736 </span> 51/push-ecx +<span id="L737" class="LineNr"> 737 </span> <span class="subxS2Comment"># . . call</span> +<span id="L738" class="LineNr"> 738 </span> e8/call <a href='123slice.subx.html#L487'>slice-starts-with?</a>/disp32 +<span id="L739" class="LineNr"> 739 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L740" class="LineNr"> 740 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L741" class="LineNr"> 741 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L742" class="LineNr"> 742 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L743" class="LineNr"> 743 </span> 68/push <span class="Constant">"F - test-slice-starts-with-fails"</span>/imm32 +<span id="L744" class="LineNr"> 744 </span> 68/push 0/imm32 +<span id="L745" class="LineNr"> 745 </span> 50/push-eax +<span id="L746" class="LineNr"> 746 </span> <span class="subxS2Comment"># . . call</span> +<span id="L747" class="LineNr"> 747 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L748" class="LineNr"> 748 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L749" class="LineNr"> 749 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L750" class="LineNr"> 750 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L751" class="LineNr"> 751 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L752" class="LineNr"> 752 </span> 5d/pop-to-ebp +<span id="L753" class="LineNr"> 753 </span> c3/return +<span id="L754" class="LineNr"> 754 </span> +<span id="L755" class="LineNr"> 755 </span><span class="subxTest">test-slice-starts-with-fails-2</span>: +<span id="L756" class="LineNr"> 756 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "Ac") == 1</span> +<span id="L757" class="LineNr"> 757 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L758" class="LineNr"> 758 </span> 55/push-ebp +<span id="L759" class="LineNr"> 759 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L760" class="LineNr"> 760 </span> <span class="subxComment"># (eax..ecx) = "Abc"</span> +<span id="L761" class="LineNr"> 761 </span> b8/copy-to-eax <span class="Constant">"Abc"</span>/imm32 +<span id="L762" class="LineNr"> 762 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L763" class="LineNr"> 763 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L764" class="LineNr"> 764 </span> 05/add-to-eax 4/imm32 +<span id="L765" class="LineNr"> 765 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L766" class="LineNr"> 766 </span> 51/push-ecx +<span id="L767" class="LineNr"> 767 </span> 50/push-eax +<span id="L768" class="LineNr"> 768 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L769" class="LineNr"> 769 </span> <span class="subxComment"># eax = slice-starts-with?(ecx, "Ac")</span> +<span id="L770" class="LineNr"> 770 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L771" class="LineNr"> 771 </span> 68/push <span class="Constant">"Ac"</span>/imm32 +<span id="L772" class="LineNr"> 772 </span> 51/push-ecx +<span id="L773" class="LineNr"> 773 </span> <span class="subxS2Comment"># . . call</span> +<span id="L774" class="LineNr"> 774 </span> e8/call <a href='123slice.subx.html#L487'>slice-starts-with?</a>/disp32 +<span id="L775" class="LineNr"> 775 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L776" class="LineNr"> 776 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L777" class="LineNr"> 777 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L778" class="LineNr"> 778 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L779" class="LineNr"> 779 </span> 68/push <span class="Constant">"F - test-slice-starts-with-fails-2"</span>/imm32 +<span id="L780" class="LineNr"> 780 </span> 68/push 0/imm32 +<span id="L781" class="LineNr"> 781 </span> 50/push-eax +<span id="L782" class="LineNr"> 782 </span> <span class="subxS2Comment"># . . call</span> +<span id="L783" class="LineNr"> 783 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L784" class="LineNr"> 784 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L785" class="LineNr"> 785 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L786" class="LineNr"> 786 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L787" class="LineNr"> 787 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L788" class="LineNr"> 788 </span> 5d/pop-to-ebp +<span id="L789" class="LineNr"> 789 </span> c3/return +<span id="L790" class="LineNr"> 790 </span> +<span id="L791" class="LineNr"> 791 </span><span class="subxComment"># write a slice to a stream</span> +<span id="L792" class="LineNr"> 792 </span><span class="subxComment"># abort if the stream doesn't have enough space</span> +<span id="L793" class="LineNr"> 793 </span><span class="subxFunction">write-slice</span>: <span class="subxComment"># out: (addr stream byte), s: (addr slice)</span> +<span id="L794" class="LineNr"> 794 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L795" class="LineNr"> 795 </span> 55/push-ebp +<span id="L796" class="LineNr"> 796 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L797" class="LineNr"> 797 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L798" class="LineNr"> 798 </span> 50/push-eax +<span id="L799" class="LineNr"> 799 </span> 51/push-ecx +<span id="L800" class="LineNr"> 800 </span> 52/push-edx +<span id="L801" class="LineNr"> 801 </span> 53/push-ebx +<span id="L802" class="LineNr"> 802 </span> 56/push-esi +<span id="L803" class="LineNr"> 803 </span> 57/push-edi +<span id="L804" class="LineNr"> 804 </span> <span class="subxComment"># esi = s</span> +<span id="L805" class="LineNr"> 805 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to esi</span> +<span id="L806" class="LineNr"> 806 </span> <span class="subxComment"># var curr/ecx: (addr byte) = s->start</span> +<span id="L807" class="LineNr"> 807 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ecx</span> +<span id="L808" class="LineNr"> 808 </span> <span class="subxComment"># var max/esi: (addr byte) = s->end</span> +<span id="L809" class="LineNr"> 809 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to esi</span> +<span id="L810" class="LineNr"> 810 </span> <span class="subxComment"># edi = out</span> +<span id="L811" class="LineNr"> 811 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span> +<span id="L812" class="LineNr"> 812 </span> <span class="subxComment"># edx = out->size</span> +<span id="L813" class="LineNr"> 813 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+8) to edx</span> +<span id="L814" class="LineNr"> 814 </span> <span class="subxComment"># ebx = out->write</span> +<span id="L815" class="LineNr"> 815 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to ebx</span> +<span id="L816" class="LineNr"> 816 </span><span class="Constant">$write-slice:loop</span>: +<span id="L817" class="LineNr"> 817 </span> <span class="subxComment"># if (curr >= max) break</span> +<span id="L818" class="LineNr"> 818 </span> 39/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with esi</span> +<span id="L819" class="LineNr"> 819 </span> 73/jump-if-addr>= $write-slice:loop-end/disp8 +<span id="L820" class="LineNr"> 820 </span> <span class="subxComment"># if (out->write >= out->size) abort</span> +<span id="L821" class="LineNr"> 821 </span> 39/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ebx with edx</span> +<span id="L822" class="LineNr"> 822 </span> 7d/jump-if->= $write-slice:abort/disp8 +<span id="L823" class="LineNr"> 823 </span> <span class="subxComment"># out->data[out->write] = *in</span> +<span id="L824" class="LineNr"> 824 </span> <span class="subxS1Comment"># . AL = *in</span> +<span id="L825" class="LineNr"> 825 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L826" class="LineNr"> 826 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ecx to AL</span> +<span id="L827" class="LineNr"> 827 </span> <span class="subxS1Comment"># . out->data[out->write] = AL</span> +<span id="L828" class="LineNr"> 828 </span> 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/edi 3/index/ebx <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy AL to *(edi+ebx+12)</span> +<span id="L829" class="LineNr"> 829 </span> <span class="subxComment"># ++out->write</span> +<span id="L830" class="LineNr"> 830 </span> 43/increment-ebx +<span id="L831" class="LineNr"> 831 </span> <span class="subxComment"># ++in</span> +<span id="L832" class="LineNr"> 832 </span> 41/increment-ecx +<span id="L833" class="LineNr"> 833 </span> eb/jump $write-slice:<span class="Constant">loop</span>/disp8 +<span id="L834" class="LineNr"> 834 </span><span class="Constant">$write-slice:loop-end</span>: +<span id="L835" class="LineNr"> 835 </span> <span class="subxComment"># persist out->write</span> +<span id="L836" class="LineNr"> 836 </span> 89/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebx to *edi</span> +<span id="L837" class="LineNr"> 837 </span><span class="Constant">$write-slice:end</span>: +<span id="L838" class="LineNr"> 838 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L839" class="LineNr"> 839 </span> 5f/pop-to-edi +<span id="L840" class="LineNr"> 840 </span> 5e/pop-to-esi +<span id="L841" class="LineNr"> 841 </span> 5b/pop-to-ebx +<span id="L842" class="LineNr"> 842 </span> 5a/pop-to-edx +<span id="L843" class="LineNr"> 843 </span> 59/pop-to-ecx +<span id="L844" class="LineNr"> 844 </span> 58/pop-to-eax +<span id="L845" class="LineNr"> 845 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L846" class="LineNr"> 846 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L847" class="LineNr"> 847 </span> 5d/pop-to-ebp +<span id="L848" class="LineNr"> 848 </span> c3/return +<span id="L849" class="LineNr"> 849 </span> +<span id="L850" class="LineNr"> 850 </span><span class="Constant">$write-slice:abort</span>: +<span id="L851" class="LineNr"> 851 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"write-slice: out of space"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L852" class="LineNr"> 852 </span> { +<span id="L853" class="LineNr"> 853 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L854" class="LineNr"> 854 </span> } +<span id="L855" class="LineNr"> 855 </span> <span class="subxComment"># never gets here</span> +<span id="L856" class="LineNr"> 856 </span> +<span id="L857" class="LineNr"> 857 </span><span class="subxTest">test-write-slice</span>: +<span id="L858" class="LineNr"> 858 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L859" class="LineNr"> 859 </span> 55/push-ebp +<span id="L860" class="LineNr"> 860 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L861" class="LineNr"> 861 </span> <span class="subxComment"># setup</span> +<span id="L862" class="LineNr"> 862 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L863" class="LineNr"> 863 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L864" class="LineNr"> 864 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L865" class="LineNr"> 865 </span> <span class="subxS2Comment"># . . call</span> +<span id="L866" class="LineNr"> 866 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L867" class="LineNr"> 867 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L868" class="LineNr"> 868 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L869" class="LineNr"> 869 </span> <span class="subxComment"># (eax..ecx) = "Abc"</span> +<span id="L870" class="LineNr"> 870 </span> b8/copy-to-eax <span class="Constant">"Abc"</span>/imm32 +<span id="L871" class="LineNr"> 871 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L872" class="LineNr"> 872 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L873" class="LineNr"> 873 </span> 05/add-to-eax 4/imm32 +<span id="L874" class="LineNr"> 874 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L875" class="LineNr"> 875 </span> 51/push-ecx +<span id="L876" class="LineNr"> 876 </span> 50/push-eax +<span id="L877" class="LineNr"> 877 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L878" class="LineNr"> 878 </span> <span class="subxComment"># write-slice(_test-stream, slice)</span> +<span id="L879" class="LineNr"> 879 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L880" class="LineNr"> 880 </span> 51/push-ecx +<span id="L881" class="LineNr"> 881 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L882" class="LineNr"> 882 </span> <span class="subxS2Comment"># . . call</span> +<span id="L883" class="LineNr"> 883 </span> e8/call <a href='123slice.subx.html#L793'>write-slice</a>/disp32 +<span id="L884" class="LineNr"> 884 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L885" class="LineNr"> 885 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L886" class="LineNr"> 886 </span> <span class="subxComment"># check-stream-equal(_test-stream, "Abc", msg)</span> +<span id="L887" class="LineNr"> 887 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L888" class="LineNr"> 888 </span> 68/push <span class="Constant">"F - test-write-slice"</span>/imm32 +<span id="L889" class="LineNr"> 889 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L890" class="LineNr"> 890 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L891" class="LineNr"> 891 </span> <span class="subxS2Comment"># . . call</span> +<span id="L892" class="LineNr"> 892 </span> e8/call <a href='109stream-equal.subx.html#L197'>check-stream-equal</a>/disp32 +<span id="L893" class="LineNr"> 893 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L894" class="LineNr"> 894 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L895" class="LineNr"> 895 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L896" class="LineNr"> 896 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L897" class="LineNr"> 897 </span> 5d/pop-to-ebp +<span id="L898" class="LineNr"> 898 </span> c3/return +<span id="L899" class="LineNr"> 899 </span> +<span id="L900" class="LineNr"> 900 </span><span class="subxComment"># copy a slice into a new (dynamically allocated) string</span> +<span id="L901" class="LineNr"> 901 </span><span class="subxFunction">slice-to-string</span>: <span class="subxComment"># ad: (addr allocation-descriptor), in: (addr slice), out: (addr handle array byte)</span> +<span id="L902" class="LineNr"> 902 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L903" class="LineNr"> 903 </span> 55/push-ebp +<span id="L904" class="LineNr"> 904 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L905" class="LineNr"> 905 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L906" class="LineNr"> 906 </span> 50/push-eax +<span id="L907" class="LineNr"> 907 </span> 51/push-ecx +<span id="L908" class="LineNr"> 908 </span> 52/push-edx +<span id="L909" class="LineNr"> 909 </span> 53/push-ebx +<span id="L910" class="LineNr"> 910 </span> 56/push-esi +<span id="L911" class="LineNr"> 911 </span> <span class="subxComment"># esi = in</span> +<span id="L912" class="LineNr"> 912 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to esi</span> +<span id="L913" class="LineNr"> 913 </span> <span class="subxComment"># var curr/edx: (addr byte) = in->start</span> +<span id="L914" class="LineNr"> 914 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to edx</span> +<span id="L915" class="LineNr"> 915 </span> <span class="subxComment"># var max/ebx: (addr byte) = in->end</span> +<span id="L916" class="LineNr"> 916 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ebx</span> +<span id="L917" class="LineNr"> 917 </span> <span class="subxComment"># var size/ecx: int = max - curr + 4 # total size of output string (including the initial 'size' field)</span> +<span id="L918" class="LineNr"> 918 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebx to ecx</span> +<span id="L919" class="LineNr"> 919 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract edx from ecx</span> +<span id="L920" class="LineNr"> 920 </span> 81 0/subop/add 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ecx</span> +<span id="L921" class="LineNr"> 921 </span> <span class="subxComment"># allocate(ad, size, out)</span> +<span id="L922" class="LineNr"> 922 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L923" class="LineNr"> 923 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+16)</span> +<span id="L924" class="LineNr"> 924 </span> 51/push-ecx +<span id="L925" class="LineNr"> 925 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L926" class="LineNr"> 926 </span> <span class="subxS2Comment"># . . call</span> +<span id="L927" class="LineNr"> 927 </span> e8/call <a href='120allocate.subx.html#L43'>allocate</a>/disp32 +<span id="L928" class="LineNr"> 928 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L929" class="LineNr"> 929 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L930" class="LineNr"> 930 </span> <span class="subxComment"># eax = out->payload</span> +<span id="L931" class="LineNr"> 931 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to eax</span> +<span id="L932" class="LineNr"> 932 </span> 8b/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(eax+4) to eax</span> +<span id="L933" class="LineNr"> 933 </span> <span class="subxComment"># skip payload->allocid</span> +<span id="L934" class="LineNr"> 934 </span> 05/add-to-eax 4/imm32 +<span id="L935" class="LineNr"> 935 </span> <span class="subxComment"># if (eax == 0) abort</span> +<span id="L936" class="LineNr"> 936 </span> 3d/compare-eax-and 0/imm32 +<span id="L937" class="LineNr"> 937 </span> 74/jump-if-= $slice-to-string:abort/disp8 +<span id="L938" class="LineNr"> 938 </span> <span class="subxComment"># out->size = size-4</span> +<span id="L939" class="LineNr"> 939 </span> 89/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ecx to *eax</span> +<span id="L940" class="LineNr"> 940 </span> 81 5/subop/subtract 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># subtract 4 from *eax</span> +<span id="L941" class="LineNr"> 941 </span> <span class="subxComment"># save out</span> +<span id="L942" class="LineNr"> 942 </span> 50/push-eax +<span id="L943" class="LineNr"> 943 </span><span class="Constant">$slice-to-string:initialize</span>: +<span id="L944" class="LineNr"> 944 </span> <span class="subxComment"># eax = _append-4(eax+4, eax+size, curr, max) # clobbering ecx</span> +<span id="L945" class="LineNr"> 945 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L946" class="LineNr"> 946 </span> 53/push-ebx +<span id="L947" class="LineNr"> 947 </span> 52/push-edx +<span id="L948" class="LineNr"> 948 </span> <span class="subxS2Comment"># . . push eax+size (clobbering ecx)</span> +<span id="L949" class="LineNr"> 949 </span> 01/add 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add eax to ecx</span> +<span id="L950" class="LineNr"> 950 </span> 51/push-ecx +<span id="L951" class="LineNr"> 951 </span> <span class="subxS2Comment"># . . push eax+4 (clobbering eax)</span> +<span id="L952" class="LineNr"> 952 </span> 81 0/subop/add 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to eax</span> +<span id="L953" class="LineNr"> 953 </span> 50/push-eax +<span id="L954" class="LineNr"> 954 </span> <span class="subxS2Comment"># . . call</span> +<span id="L955" class="LineNr"> 955 </span> e8/call <a href='108write.subx.html#L171'>_append-4</a>/disp32 +<span id="L956" class="LineNr"> 956 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L957" class="LineNr"> 957 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to esp</span> +<span id="L958" class="LineNr"> 958 </span> <span class="subxComment"># restore out (assumes _append-4 can't error)</span> +<span id="L959" class="LineNr"> 959 </span> 58/pop-to-eax +<span id="L960" class="LineNr"> 960 </span><span class="Constant">$slice-to-string:end</span>: +<span id="L961" class="LineNr"> 961 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L962" class="LineNr"> 962 </span> 5e/pop-to-esi +<span id="L963" class="LineNr"> 963 </span> 5b/pop-to-ebx +<span id="L964" class="LineNr"> 964 </span> 5a/pop-to-edx +<span id="L965" class="LineNr"> 965 </span> 59/pop-to-ecx +<span id="L966" class="LineNr"> 966 </span> 58/pop-to-eax +<span id="L967" class="LineNr"> 967 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L968" class="LineNr"> 968 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L969" class="LineNr"> 969 </span> 5d/pop-to-ebp +<span id="L970" class="LineNr"> 970 </span> c3/return +<span id="L971" class="LineNr"> 971 </span> +<span id="L972" class="LineNr"> 972 </span><span class="Constant">$slice-to-string:abort</span>: +<span id="L973" class="LineNr"> 973 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"slice-to-string: out of space\n"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L974" class="LineNr"> 974 </span> { +<span id="L975" class="LineNr"> 975 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L976" class="LineNr"> 976 </span> } +<span id="L977" class="LineNr"> 977 </span> <span class="subxComment"># never gets here</span> +<span id="L978" class="LineNr"> 978 </span> +<span id="L979" class="LineNr"> 979 </span><span class="subxTest">test-slice-to-string</span>: +<span id="L980" class="LineNr"> 980 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L981" class="LineNr"> 981 </span> 55/push-ebp +<span id="L982" class="LineNr"> 982 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L983" class="LineNr"> 983 </span> <span class="subxComment"># var ad/edx: allocation-descriptor containing 16 bytes</span> +<span id="L984" class="LineNr"> 984 </span> <span class="subxS1Comment"># . var end/ecx: (addr byte)</span> +<span id="L985" class="LineNr"> 985 </span> 89/<- %ecx 4/r32/esp +<span id="L986" class="LineNr"> 986 </span> 81 5/subop/subtract %esp 0x10/imm32 +<span id="L987" class="LineNr"> 987 </span> <span class="subxS1Comment"># . var start/edx: (addr byte) = end - 0x10</span> +<span id="L988" class="LineNr"> 988 </span> 89/<- %edx 4/r32/esp +<span id="L989" class="LineNr"> 989 </span> <span class="subxS1Comment"># . ad = {start, end}</span> +<span id="L990" class="LineNr"> 990 </span> 51/push-ecx +<span id="L991" class="LineNr"> 991 </span> 52/push-edx +<span id="L992" class="LineNr"> 992 </span> 89/copy 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to edx</span> +<span id="L993" class="LineNr"> 993 </span> <span class="subxComment"># (eax..ecx) = "Abc"</span> +<span id="L994" class="LineNr"> 994 </span> b8/copy-to-eax <span class="Constant">"Abc"</span>/imm32 +<span id="L995" class="LineNr"> 995 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L996" class="LineNr"> 996 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L997" class="LineNr"> 997 </span> 05/add-to-eax 4/imm32 +<span id="L998" class="LineNr"> 998 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L999" class="LineNr"> 999 </span> 51/push-ecx +<span id="L1000" class="LineNr">1000 </span> 50/push-eax +<span id="L1001" class="LineNr">1001 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L1002" class="LineNr">1002 </span> <span class="subxComment"># var h/ebx: (handle array byte)</span> +<span id="L1003" class="LineNr">1003 </span> 68/push 0/imm32 +<span id="L1004" class="LineNr">1004 </span> 68/push 0/imm32 +<span id="L1005" class="LineNr">1005 </span> 89/copy 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebx</span> +<span id="L1006" class="LineNr">1006 </span> <span class="subxComment"># slice-to-string(ad, slice, h)</span> +<span id="L1007" class="LineNr">1007 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1008" class="LineNr">1008 </span> 53/push-ebx +<span id="L1009" class="LineNr">1009 </span> 51/push-ecx +<span id="L1010" class="LineNr">1010 </span> 52/push-edx +<span id="L1011" class="LineNr">1011 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1012" class="LineNr">1012 </span> e8/call <a href='123slice.subx.html#L901'>slice-to-string</a>/disp32 +<span id="L1013" class="LineNr">1013 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1014" class="LineNr">1014 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1015" class="LineNr">1015 </span> <span class="subxComment"># eax = h->payload</span> +<span id="L1016" class="LineNr">1016 </span> 8b/copy 1/mod/*+disp8 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebx+4) to eax</span> +<span id="L1017" class="LineNr">1017 </span> <span class="subxComment"># skip payload->allocid</span> +<span id="L1018" class="LineNr">1018 </span> 05/add-to-eax 4/imm32 +<span id="L1019" class="Folded">1019 </span><span class="Folded">+-- 26 lines: #? # dump eax ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------</span> +<span id="L1045" class="LineNr">1045 </span> <span class="subxComment"># eax = string-equal?(eax, "Abc")</span> +<span id="L1046" class="LineNr">1046 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1047" class="LineNr">1047 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L1048" class="LineNr">1048 </span> 50/push-eax +<span id="L1049" class="LineNr">1049 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1050" class="LineNr">1050 </span> e8/call <a href='105string-equal.subx.html#L8'>string-equal?</a>/disp32 +<span id="L1051" class="LineNr">1051 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1052" class="LineNr">1052 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1053" class="LineNr">1053 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L1054" class="LineNr">1054 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1055" class="LineNr">1055 </span> 68/push <span class="Constant">"F - test-slice-to-string"</span>/imm32 +<span id="L1056" class="LineNr">1056 </span> 68/push 1/imm32/true +<span id="L1057" class="LineNr">1057 </span> 50/push-eax +<span id="L1058" class="LineNr">1058 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1059" class="LineNr">1059 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1060" class="LineNr">1060 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1061" class="LineNr">1061 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1062" class="LineNr">1062 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L1063" class="LineNr">1063 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x18/imm32 <span class="subxComment"># add to esp</span> +<span id="L1064" class="LineNr">1064 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1065" class="LineNr">1065 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1066" class="LineNr">1066 </span> 5d/pop-to-ebp +<span id="L1067" class="LineNr">1067 </span> c3/return +<span id="L1068" class="LineNr">1068 </span> +<span id="L1069" class="LineNr">1069 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> diff --git a/html/baremetal/124next-token.subx.html b/html/baremetal/124next-token.subx.html new file mode 100644 index 00000000..30ef0bcb --- /dev/null +++ b/html/baremetal/124next-token.subx.html @@ -0,0 +1,1988 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - baremetal/124next-token.subx</title> +<meta name="Generator" content="Vim/8.1"> +<meta name="plugin-version" content="vim8.1_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="number_lines,use_css,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.subxComment { color: #005faf; } +.subxS1Comment { color: #0000af; } +.subxS2Comment { color: #8a8a8a; } +.LineNr { } +.Constant { color: #008787; } +.subxTest { color: #5f8700; } +.subxFunction { color: #af5f00; text-decoration: underline; } +.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } +--> +</style> + +<script type='text/javascript'> +<!-- + +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + var lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + +--> +</script> +</head> +<body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/main/baremetal/124next-token.subx'>https://github.com/akkartik/mu/blob/main/baremetal/124next-token.subx</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Some tokenization primitives.</span> +<span id="L2" class="LineNr"> 2 </span> +<span id="L3" class="LineNr"> 3 </span>== code +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># instruction effective address register displacement immediate</span> +<span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> +<span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L7" class="LineNr"> 7 </span> +<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># extract the next run of characters that are different from a given 'delimiter' (skipping multiple delimiters if necessary)</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># on reaching end of file, return an empty interval</span> +<span id="L10" class="LineNr"> 10 </span><span class="subxFunction">next-token</span>: <span class="subxComment"># in: (addr stream byte), delimiter: byte, out: (addr slice)</span> +<span id="L11" class="LineNr"> 11 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L12" class="LineNr"> 12 </span> 55/push-ebp +<span id="L13" class="LineNr"> 13 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L14" class="LineNr"> 14 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L15" class="LineNr"> 15 </span> 50/push-eax +<span id="L16" class="LineNr"> 16 </span> 51/push-ecx +<span id="L17" class="LineNr"> 17 </span> 56/push-esi +<span id="L18" class="LineNr"> 18 </span> 57/push-edi +<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># esi = in</span> +<span id="L20" class="LineNr"> 20 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># edi = out</span> +<span id="L22" class="LineNr"> 22 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to edi</span> +<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># skip-chars-matching(in, delimiter)</span> +<span id="L24" class="LineNr"> 24 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L25" class="LineNr"> 25 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> +<span id="L26" class="LineNr"> 26 </span> 56/push-esi +<span id="L27" class="LineNr"> 27 </span> <span class="subxS2Comment"># . . call</span> +<span id="L28" class="LineNr"> 28 </span> e8/call <a href='124next-token.subx.html#L341'>skip-chars-matching</a>/disp32 +<span id="L29" class="LineNr"> 29 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L30" class="LineNr"> 30 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L31" class="LineNr"> 31 </span> <span class="subxComment"># out->start = &in->data[in->read]</span> +<span id="L32" class="LineNr"> 32 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ecx</span> +<span id="L33" class="LineNr"> 33 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+ecx+12 to eax</span> +<span id="L34" class="LineNr"> 34 </span> 89/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy eax to *edi</span> +<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># skip-chars-not-matching(in, delimiter)</span> +<span id="L36" class="LineNr"> 36 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L37" class="LineNr"> 37 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span> +<span id="L38" class="LineNr"> 38 </span> 56/push-esi +<span id="L39" class="LineNr"> 39 </span> <span class="subxS2Comment"># . . call</span> +<span id="L40" class="LineNr"> 40 </span> e8/call <a href='124next-token.subx.html#L554'>skip-chars-not-matching</a>/disp32 +<span id="L41" class="LineNr"> 41 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L42" class="LineNr"> 42 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># out->end = &in->data[in->read]</span> +<span id="L44" class="LineNr"> 44 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ecx</span> +<span id="L45" class="LineNr"> 45 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+ecx+12 to eax</span> +<span id="L46" class="LineNr"> 46 </span> 89/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax to *(edi+4)</span> +<span id="L47" class="LineNr"> 47 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L48" class="LineNr"> 48 </span> 5f/pop-to-edi +<span id="L49" class="LineNr"> 49 </span> 5e/pop-to-esi +<span id="L50" class="LineNr"> 50 </span> 59/pop-to-ecx +<span id="L51" class="LineNr"> 51 </span> 58/pop-to-eax +<span id="L52" class="LineNr"> 52 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L53" class="LineNr"> 53 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L54" class="LineNr"> 54 </span> 5d/pop-to-ebp +<span id="L55" class="LineNr"> 55 </span> c3/return +<span id="L56" class="LineNr"> 56 </span> +<span id="L57" class="LineNr"> 57 </span><span class="subxTest">test-next-token</span>: +<span id="L58" class="LineNr"> 58 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L59" class="LineNr"> 59 </span> 55/push-ebp +<span id="L60" class="LineNr"> 60 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># setup</span> +<span id="L62" class="LineNr"> 62 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L63" class="LineNr"> 63 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L64" class="LineNr"> 64 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L65" class="LineNr"> 65 </span> <span class="subxS2Comment"># . . call</span> +<span id="L66" class="LineNr"> 66 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L67" class="LineNr"> 67 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L68" class="LineNr"> 68 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L69" class="LineNr"> 69 </span> <span class="subxComment"># var slice/ecx: slice</span> +<span id="L70" class="LineNr"> 70 </span> 68/push 0/imm32/end +<span id="L71" class="LineNr"> 71 </span> 68/push 0/imm32/start +<span id="L72" class="LineNr"> 72 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># write(_test-stream, " ab")</span> +<span id="L74" class="LineNr"> 74 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L75" class="LineNr"> 75 </span> 68/push <span class="Constant">" ab"</span>/imm32 +<span id="L76" class="LineNr"> 76 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L77" class="LineNr"> 77 </span> <span class="subxS2Comment"># . . call</span> +<span id="L78" class="LineNr"> 78 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L79" class="LineNr"> 79 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L80" class="LineNr"> 80 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L81" class="LineNr"> 81 </span> <span class="subxComment"># next-token(_test-stream, 0x20/space, slice)</span> +<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L83" class="LineNr"> 83 </span> 51/push-ecx +<span id="L84" class="LineNr"> 84 </span> 68/push 0x20/imm32 +<span id="L85" class="LineNr"> 85 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L86" class="LineNr"> 86 </span> <span class="subxS2Comment"># . . call</span> +<span id="L87" class="LineNr"> 87 </span> e8/call <a href='124next-token.subx.html#L10'>next-token</a>/disp32 +<span id="L88" class="LineNr"> 88 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L89" class="LineNr"> 89 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L90" class="LineNr"> 90 </span> <span class="subxComment"># check-ints-equal(slice->start - _test-stream->data, 2, msg)</span> +<span id="L91" class="LineNr"> 91 </span> <span class="subxS1Comment"># . check-ints-equal(slice->start - _test-stream, 14, msg)</span> +<span id="L92" class="LineNr"> 92 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L93" class="LineNr"> 93 </span> 68/push <span class="Constant">"F - <a href='124next-token.subx.html#L57'>test-next-token</a>: start"</span>/imm32 +<span id="L94" class="LineNr"> 94 </span> 68/push 0xe/imm32 +<span id="L95" class="LineNr"> 95 </span> <span class="subxS2Comment"># . . push slice->start - _test-stream</span> +<span id="L96" class="LineNr"> 96 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to eax</span> +<span id="L97" class="LineNr"> 97 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='108write.subx.html#L125'>_test-stream</a>/imm32 <span class="subxComment"># subtract from eax</span> +<span id="L98" class="LineNr"> 98 </span> 50/push-eax +<span id="L99" class="LineNr"> 99 </span> <span class="subxS2Comment"># . . call</span> +<span id="L100" class="LineNr"> 100 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L101" class="LineNr"> 101 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L102" class="LineNr"> 102 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L103" class="LineNr"> 103 </span> <span class="subxComment"># check-ints-equal(slice->end - _test-stream->data, 4, msg)</span> +<span id="L104" class="LineNr"> 104 </span> <span class="subxS1Comment"># . check-ints-equal(slice->end - _test-stream, 16, msg)</span> +<span id="L105" class="LineNr"> 105 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L106" class="LineNr"> 106 </span> 68/push <span class="Constant">"F - <a href='124next-token.subx.html#L57'>test-next-token</a>: end"</span>/imm32 +<span id="L107" class="LineNr"> 107 </span> 68/push 0x10/imm32 +<span id="L108" class="LineNr"> 108 </span> <span class="subxS2Comment"># . . push slice->end - _test-stream</span> +<span id="L109" class="LineNr"> 109 </span> 8b/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ecx+4) to eax</span> +<span id="L110" class="LineNr"> 110 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='108write.subx.html#L125'>_test-stream</a>/imm32 <span class="subxComment"># subtract from eax</span> +<span id="L111" class="LineNr"> 111 </span> 50/push-eax +<span id="L112" class="LineNr"> 112 </span> <span class="subxS2Comment"># . . call</span> +<span id="L113" class="LineNr"> 113 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L114" class="LineNr"> 114 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L115" class="LineNr"> 115 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L116" class="LineNr"> 116 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L117" class="LineNr"> 117 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L118" class="LineNr"> 118 </span> 5d/pop-to-ebp +<span id="L119" class="LineNr"> 119 </span> c3/return +<span id="L120" class="LineNr"> 120 </span> +<span id="L121" class="LineNr"> 121 </span><span class="subxTest">test-next-token-Eof</span>: +<span id="L122" class="LineNr"> 122 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L123" class="LineNr"> 123 </span> 55/push-ebp +<span id="L124" class="LineNr"> 124 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L125" class="LineNr"> 125 </span> <span class="subxComment"># setup</span> +<span id="L126" class="LineNr"> 126 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L127" class="LineNr"> 127 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L128" class="LineNr"> 128 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L129" class="LineNr"> 129 </span> <span class="subxS2Comment"># . . call</span> +<span id="L130" class="LineNr"> 130 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L131" class="LineNr"> 131 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L132" class="LineNr"> 132 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L133" class="LineNr"> 133 </span> <span class="subxComment"># var slice/ecx: slice</span> +<span id="L134" class="LineNr"> 134 </span> 68/push 0/imm32/end +<span id="L135" class="LineNr"> 135 </span> 68/push 0/imm32/start +<span id="L136" class="LineNr"> 136 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L137" class="LineNr"> 137 </span> <span class="subxComment"># write nothing to _test-stream</span> +<span id="L138" class="LineNr"> 138 </span> <span class="subxComment"># next-token(_test-stream, 0x20/space, slice)</span> +<span id="L139" class="LineNr"> 139 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L140" class="LineNr"> 140 </span> 51/push-ecx +<span id="L141" class="LineNr"> 141 </span> 68/push 0x20/imm32 +<span id="L142" class="LineNr"> 142 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L143" class="LineNr"> 143 </span> <span class="subxS2Comment"># . . call</span> +<span id="L144" class="LineNr"> 144 </span> e8/call <a href='124next-token.subx.html#L10'>next-token</a>/disp32 +<span id="L145" class="LineNr"> 145 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L146" class="LineNr"> 146 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L147" class="LineNr"> 147 </span> <span class="subxComment"># check-ints-equal(slice->end, slice->start, msg)</span> +<span id="L148" class="LineNr"> 148 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L149" class="LineNr"> 149 </span> 68/push <span class="Constant">"F - test-next-token-Eof"</span>/imm32 +<span id="L150" class="LineNr"> 150 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ecx+4)</span> +<span id="L151" class="LineNr"> 151 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ecx</span> +<span id="L152" class="LineNr"> 152 </span> <span class="subxS2Comment"># . . call</span> +<span id="L153" class="LineNr"> 153 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L154" class="LineNr"> 154 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L155" class="LineNr"> 155 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L156" class="LineNr"> 156 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L157" class="LineNr"> 157 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L158" class="LineNr"> 158 </span> 5d/pop-to-ebp +<span id="L159" class="LineNr"> 159 </span> c3/return +<span id="L160" class="LineNr"> 160 </span> +<span id="L161" class="LineNr"> 161 </span><span class="subxComment"># extract the next run of characters that are different from a given 'delimiter' (skipping multiple delimiters if necessary)</span> +<span id="L162" class="LineNr"> 162 </span><span class="subxComment"># on reaching end of file, return an empty interval</span> +<span id="L163" class="LineNr"> 163 </span><span class="subxFunction">next-token-from-slice</span>: <span class="subxComment"># start: (addr byte), end: (addr byte), delimiter: byte, out: (addr slice)</span> +<span id="L164" class="LineNr"> 164 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L165" class="LineNr"> 165 </span> 55/push-ebp +<span id="L166" class="LineNr"> 166 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L167" class="LineNr"> 167 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L168" class="LineNr"> 168 </span> 50/push-eax +<span id="L169" class="LineNr"> 169 </span> 51/push-ecx +<span id="L170" class="LineNr"> 170 </span> 52/push-edx +<span id="L171" class="LineNr"> 171 </span> 57/push-edi +<span id="L172" class="LineNr"> 172 </span> <span class="subxComment"># ecx = end</span> +<span id="L173" class="LineNr"> 173 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to ecx</span> +<span id="L174" class="LineNr"> 174 </span> <span class="subxComment"># edx = delimiter</span> +<span id="L175" class="LineNr"> 175 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to edx</span> +<span id="L176" class="LineNr"> 176 </span> <span class="subxComment"># edi = out</span> +<span id="L177" class="LineNr"> 177 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+20) to edi</span> +<span id="L178" class="LineNr"> 178 </span> <span class="subxComment"># eax = skip-chars-matching-in-slice(start, end, delimiter)</span> +<span id="L179" class="LineNr"> 179 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L180" class="LineNr"> 180 </span> 52/push-edx +<span id="L181" class="LineNr"> 181 </span> 51/push-ecx +<span id="L182" class="LineNr"> 182 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L183" class="LineNr"> 183 </span> <span class="subxS2Comment"># . . call</span> +<span id="L184" class="LineNr"> 184 </span> e8/call <a href='124next-token.subx.html#L804'>skip-chars-matching-in-slice</a>/disp32 +<span id="L185" class="LineNr"> 185 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L186" class="LineNr"> 186 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L187" class="LineNr"> 187 </span> <span class="subxComment"># out->start = eax</span> +<span id="L188" class="LineNr"> 188 </span> 89/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy eax to *edi</span> +<span id="L189" class="LineNr"> 189 </span> <span class="subxComment"># eax = skip-chars-not-matching-in-slice(eax, end, delimiter)</span> +<span id="L190" class="LineNr"> 190 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L191" class="LineNr"> 191 </span> 52/push-edx +<span id="L192" class="LineNr"> 192 </span> 51/push-ecx +<span id="L193" class="LineNr"> 193 </span> 50/push-eax +<span id="L194" class="LineNr"> 194 </span> <span class="subxS2Comment"># . . call</span> +<span id="L195" class="LineNr"> 195 </span> e8/call <a href='124next-token.subx.html#L973'>skip-chars-not-matching-in-slice</a>/disp32 +<span id="L196" class="LineNr"> 196 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L197" class="LineNr"> 197 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L198" class="LineNr"> 198 </span> <span class="subxComment"># out->end = eax</span> +<span id="L199" class="LineNr"> 199 </span> 89/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax to *(edi+4)</span> +<span id="L200" class="LineNr"> 200 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L201" class="LineNr"> 201 </span> 5f/pop-to-edi +<span id="L202" class="LineNr"> 202 </span> 5a/pop-to-edx +<span id="L203" class="LineNr"> 203 </span> 59/pop-to-ecx +<span id="L204" class="LineNr"> 204 </span> 58/pop-to-eax +<span id="L205" class="LineNr"> 205 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L206" class="LineNr"> 206 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L207" class="LineNr"> 207 </span> 5d/pop-to-ebp +<span id="L208" class="LineNr"> 208 </span> c3/return +<span id="L209" class="LineNr"> 209 </span> +<span id="L210" class="LineNr"> 210 </span><span class="subxTest">test-next-token-from-slice</span>: +<span id="L211" class="LineNr"> 211 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L212" class="LineNr"> 212 </span> 55/push-ebp +<span id="L213" class="LineNr"> 213 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L214" class="LineNr"> 214 </span> <span class="subxComment"># (eax..ecx) = " ab"</span> +<span id="L215" class="LineNr"> 215 </span> b8/copy-to-eax <span class="Constant">" ab"</span>/imm32 +<span id="L216" class="LineNr"> 216 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L217" class="LineNr"> 217 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L218" class="LineNr"> 218 </span> 05/add-to-eax 4/imm32 +<span id="L219" class="LineNr"> 219 </span> <span class="subxComment"># var out/edi: slice</span> +<span id="L220" class="LineNr"> 220 </span> 68/push 0/imm32/end +<span id="L221" class="LineNr"> 221 </span> 68/push 0/imm32/start +<span id="L222" class="LineNr"> 222 </span> 89/copy 3/mod/direct 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to edi</span> +<span id="L223" class="LineNr"> 223 </span> <span class="subxComment"># next-token-from-slice(eax, ecx, 0x20/space, out)</span> +<span id="L224" class="LineNr"> 224 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L225" class="LineNr"> 225 </span> 57/push-edi +<span id="L226" class="LineNr"> 226 </span> 68/push 0x20/imm32 +<span id="L227" class="LineNr"> 227 </span> 51/push-ecx +<span id="L228" class="LineNr"> 228 </span> 50/push-eax +<span id="L229" class="LineNr"> 229 </span> <span class="subxS2Comment"># . . call</span> +<span id="L230" class="LineNr"> 230 </span> e8/call <a href='124next-token.subx.html#L163'>next-token-from-slice</a>/disp32 +<span id="L231" class="LineNr"> 231 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L232" class="LineNr"> 232 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to esp</span> +<span id="L233" class="LineNr"> 233 </span> <span class="subxComment"># out->start should be at the 'a'</span> +<span id="L234" class="LineNr"> 234 </span> <span class="subxS1Comment"># . check-ints-equal(out->start - in->start, 2, msg)</span> +<span id="L235" class="LineNr"> 235 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L236" class="LineNr"> 236 </span> 68/push <span class="Constant">"F - <a href='124next-token.subx.html#L210'>test-next-token-from-slice</a>: start"</span>/imm32 +<span id="L237" class="LineNr"> 237 </span> 68/push 2/imm32 +<span id="L238" class="LineNr"> 238 </span> <span class="subxS2Comment"># . . push out->start - in->start</span> +<span id="L239" class="LineNr"> 239 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to ecx</span> +<span id="L240" class="LineNr"> 240 </span> 2b/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L241" class="LineNr"> 241 </span> 51/push-ecx +<span id="L242" class="LineNr"> 242 </span> <span class="subxS2Comment"># . . call</span> +<span id="L243" class="LineNr"> 243 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L244" class="LineNr"> 244 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L245" class="LineNr"> 245 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L246" class="LineNr"> 246 </span> <span class="subxComment"># out->end should be after the 'b'</span> +<span id="L247" class="LineNr"> 247 </span> <span class="subxComment"># check-ints-equal(out->end - in->start, 4, msg)</span> +<span id="L248" class="LineNr"> 248 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L249" class="LineNr"> 249 </span> 68/push <span class="Constant">"F - <a href='124next-token.subx.html#L210'>test-next-token-from-slice</a>: end"</span>/imm32 +<span id="L250" class="LineNr"> 250 </span> 68/push 4/imm32 +<span id="L251" class="LineNr"> 251 </span> <span class="subxS2Comment"># . . push out->end - in->start</span> +<span id="L252" class="LineNr"> 252 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+4) to ecx</span> +<span id="L253" class="LineNr"> 253 </span> 2b/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L254" class="LineNr"> 254 </span> 51/push-ecx +<span id="L255" class="LineNr"> 255 </span> <span class="subxS2Comment"># . . call</span> +<span id="L256" class="LineNr"> 256 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L257" class="LineNr"> 257 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L258" class="LineNr"> 258 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L259" class="LineNr"> 259 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L260" class="LineNr"> 260 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L261" class="LineNr"> 261 </span> 5d/pop-to-ebp +<span id="L262" class="LineNr"> 262 </span> c3/return +<span id="L263" class="LineNr"> 263 </span> +<span id="L264" class="LineNr"> 264 </span><span class="subxTest">test-next-token-from-slice-Eof</span>: +<span id="L265" class="LineNr"> 265 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L266" class="LineNr"> 266 </span> 55/push-ebp +<span id="L267" class="LineNr"> 267 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L268" class="LineNr"> 268 </span> <span class="subxComment"># var out/edi: slice</span> +<span id="L269" class="LineNr"> 269 </span> 68/push 0/imm32/end +<span id="L270" class="LineNr"> 270 </span> 68/push 0/imm32/start +<span id="L271" class="LineNr"> 271 </span> 89/copy 3/mod/direct 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to edi</span> +<span id="L272" class="LineNr"> 272 </span> <span class="subxComment"># next-token-from-slice(0, 0, 0x20/space, out)</span> +<span id="L273" class="LineNr"> 273 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L274" class="LineNr"> 274 </span> 57/push-edi +<span id="L275" class="LineNr"> 275 </span> 68/push 0x20/imm32 +<span id="L276" class="LineNr"> 276 </span> 68/push 0/imm32 +<span id="L277" class="LineNr"> 277 </span> 68/push 0/imm32 +<span id="L278" class="LineNr"> 278 </span> <span class="subxS2Comment"># . . call</span> +<span id="L279" class="LineNr"> 279 </span> e8/call <a href='124next-token.subx.html#L163'>next-token-from-slice</a>/disp32 +<span id="L280" class="LineNr"> 280 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L281" class="LineNr"> 281 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to esp</span> +<span id="L282" class="LineNr"> 282 </span> <span class="subxComment"># out should be empty</span> +<span id="L283" class="LineNr"> 283 </span> <span class="subxS1Comment"># . check-ints-equal(out->end - out->start, 0, msg)</span> +<span id="L284" class="LineNr"> 284 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L285" class="LineNr"> 285 </span> 68/push <span class="Constant">"F - test-next-token-from-slice-Eof"</span>/imm32 +<span id="L286" class="LineNr"> 286 </span> 68/push 0/imm32 +<span id="L287" class="LineNr"> 287 </span> <span class="subxS2Comment"># . . push out->start - in->start</span> +<span id="L288" class="LineNr"> 288 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+4) to ecx</span> +<span id="L289" class="LineNr"> 289 </span> 2b/subtract 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *edi from ecx</span> +<span id="L290" class="LineNr"> 290 </span> 51/push-ecx +<span id="L291" class="LineNr"> 291 </span> <span class="subxS2Comment"># . . call</span> +<span id="L292" class="LineNr"> 292 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L293" class="LineNr"> 293 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L294" class="LineNr"> 294 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L295" class="LineNr"> 295 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L296" class="LineNr"> 296 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L297" class="LineNr"> 297 </span> 5d/pop-to-ebp +<span id="L298" class="LineNr"> 298 </span> c3/return +<span id="L299" class="LineNr"> 299 </span> +<span id="L300" class="LineNr"> 300 </span><span class="subxTest">test-next-token-from-slice-nothing</span>: +<span id="L301" class="LineNr"> 301 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L302" class="LineNr"> 302 </span> 55/push-ebp +<span id="L303" class="LineNr"> 303 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L304" class="LineNr"> 304 </span> <span class="subxComment"># (eax..ecx) = " "</span> +<span id="L305" class="LineNr"> 305 </span> b8/copy-to-eax <span class="Constant">" "</span>/imm32 +<span id="L306" class="LineNr"> 306 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L307" class="LineNr"> 307 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L308" class="LineNr"> 308 </span> 05/add-to-eax 4/imm32 +<span id="L309" class="LineNr"> 309 </span> <span class="subxComment"># var out/edi: slice</span> +<span id="L310" class="LineNr"> 310 </span> 68/push 0/imm32/end +<span id="L311" class="LineNr"> 311 </span> 68/push 0/imm32/start +<span id="L312" class="LineNr"> 312 </span> 89/copy 3/mod/direct 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to edi</span> +<span id="L313" class="LineNr"> 313 </span> <span class="subxComment"># next-token-from-slice(in, 0x20/space, out)</span> +<span id="L314" class="LineNr"> 314 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L315" class="LineNr"> 315 </span> 57/push-edi +<span id="L316" class="LineNr"> 316 </span> 68/push 0x20/imm32 +<span id="L317" class="LineNr"> 317 </span> 51/push-ecx +<span id="L318" class="LineNr"> 318 </span> 50/push-eax +<span id="L319" class="LineNr"> 319 </span> <span class="subxS2Comment"># . . call</span> +<span id="L320" class="LineNr"> 320 </span> e8/call <a href='124next-token.subx.html#L163'>next-token-from-slice</a>/disp32 +<span id="L321" class="LineNr"> 321 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L322" class="LineNr"> 322 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to esp</span> +<span id="L323" class="LineNr"> 323 </span> <span class="subxComment"># out should be empty</span> +<span id="L324" class="LineNr"> 324 </span> <span class="subxS1Comment"># . check-ints-equal(out->end - out->start, 0, msg)</span> +<span id="L325" class="LineNr"> 325 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L326" class="LineNr"> 326 </span> 68/push <span class="Constant">"F - test-next-token-from-slice-Eof"</span>/imm32 +<span id="L327" class="LineNr"> 327 </span> 68/push 0/imm32 +<span id="L328" class="LineNr"> 328 </span> <span class="subxS2Comment"># . . push out->start - in->start</span> +<span id="L329" class="LineNr"> 329 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+4) to ecx</span> +<span id="L330" class="LineNr"> 330 </span> 2b/subtract 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *edi from ecx</span> +<span id="L331" class="LineNr"> 331 </span> 51/push-ecx +<span id="L332" class="LineNr"> 332 </span> <span class="subxS2Comment"># . . call</span> +<span id="L333" class="LineNr"> 333 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L334" class="LineNr"> 334 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L335" class="LineNr"> 335 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L336" class="LineNr"> 336 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L337" class="LineNr"> 337 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L338" class="LineNr"> 338 </span> 5d/pop-to-ebp +<span id="L339" class="LineNr"> 339 </span> c3/return +<span id="L340" class="LineNr"> 340 </span> +<span id="L341" class="LineNr"> 341 </span><span class="subxFunction">skip-chars-matching</span>: <span class="subxComment"># in: (addr stream byte), delimiter: byte</span> +<span id="L342" class="LineNr"> 342 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L343" class="LineNr"> 343 </span> 55/push-ebp +<span id="L344" class="LineNr"> 344 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L345" class="LineNr"> 345 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L346" class="LineNr"> 346 </span> 50/push-eax +<span id="L347" class="LineNr"> 347 </span> 51/push-ecx +<span id="L348" class="LineNr"> 348 </span> 52/push-edx +<span id="L349" class="LineNr"> 349 </span> 53/push-ebx +<span id="L350" class="LineNr"> 350 </span> 56/push-esi +<span id="L351" class="LineNr"> 351 </span> <span class="subxComment"># esi = in</span> +<span id="L352" class="LineNr"> 352 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L353" class="LineNr"> 353 </span> <span class="subxComment"># ecx = in->read</span> +<span id="L354" class="LineNr"> 354 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ecx</span> +<span id="L355" class="LineNr"> 355 </span> <span class="subxComment"># ebx = in->write</span> +<span id="L356" class="LineNr"> 356 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ebx</span> +<span id="L357" class="LineNr"> 357 </span> <span class="subxComment"># edx = delimiter</span> +<span id="L358" class="LineNr"> 358 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edx</span> +<span id="L359" class="LineNr"> 359 </span><span class="Constant">$skip-chars-matching:loop</span>: +<span id="L360" class="LineNr"> 360 </span> <span class="subxComment"># if (in->read >= in->write) break</span> +<span id="L361" class="LineNr"> 361 </span> 39/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with ebx</span> +<span id="L362" class="LineNr"> 362 </span> 7d/jump-if->= $skip-chars-matching:end/disp8 +<span id="L363" class="LineNr"> 363 </span> <span class="subxComment"># eax = in->data[in->read]</span> +<span id="L364" class="LineNr"> 364 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L365" class="LineNr"> 365 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(esi+ecx+12) to AL</span> +<span id="L366" class="LineNr"> 366 </span> <span class="subxComment"># if (eax != delimiter) break</span> +<span id="L367" class="LineNr"> 367 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax and edx</span> +<span id="L368" class="LineNr"> 368 </span> 75/jump-if-!= $skip-chars-matching:end/disp8 +<span id="L369" class="LineNr"> 369 </span> <span class="subxComment"># ++in->read</span> +<span id="L370" class="LineNr"> 370 </span> 41/increment-ecx +<span id="L371" class="LineNr"> 371 </span> eb/jump $skip-chars-matching:<span class="Constant">loop</span>/disp8 +<span id="L372" class="LineNr"> 372 </span><span class="Constant">$skip-chars-matching:end</span>: +<span id="L373" class="LineNr"> 373 </span> <span class="subxComment"># persist in->read</span> +<span id="L374" class="LineNr"> 374 </span> 89/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx to *(esi+4)</span> +<span id="L375" class="LineNr"> 375 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L376" class="LineNr"> 376 </span> 5e/pop-to-esi +<span id="L377" class="LineNr"> 377 </span> 5b/pop-to-ebx +<span id="L378" class="LineNr"> 378 </span> 5a/pop-to-edx +<span id="L379" class="LineNr"> 379 </span> 59/pop-to-ecx +<span id="L380" class="LineNr"> 380 </span> 58/pop-to-eax +<span id="L381" class="LineNr"> 381 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L382" class="LineNr"> 382 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L383" class="LineNr"> 383 </span> 5d/pop-to-ebp +<span id="L384" class="LineNr"> 384 </span> c3/return +<span id="L385" class="LineNr"> 385 </span> +<span id="L386" class="LineNr"> 386 </span><span class="subxTest">test-skip-chars-matching</span>: +<span id="L387" class="LineNr"> 387 </span> <span class="subxComment"># setup</span> +<span id="L388" class="LineNr"> 388 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L389" class="LineNr"> 389 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L390" class="LineNr"> 390 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L391" class="LineNr"> 391 </span> <span class="subxS2Comment"># . . call</span> +<span id="L392" class="LineNr"> 392 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L393" class="LineNr"> 393 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L394" class="LineNr"> 394 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L395" class="LineNr"> 395 </span> <span class="subxComment"># write(_test-stream, " ab")</span> +<span id="L396" class="LineNr"> 396 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L397" class="LineNr"> 397 </span> 68/push <span class="Constant">" ab"</span>/imm32 +<span id="L398" class="LineNr"> 398 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L399" class="LineNr"> 399 </span> <span class="subxS2Comment"># . . call</span> +<span id="L400" class="LineNr"> 400 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L401" class="LineNr"> 401 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L402" class="LineNr"> 402 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L403" class="LineNr"> 403 </span> <span class="subxComment"># skip-chars-matching(_test-stream, 0x20/space)</span> +<span id="L404" class="LineNr"> 404 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L405" class="LineNr"> 405 </span> 68/push 0x20/imm32 +<span id="L406" class="LineNr"> 406 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L407" class="LineNr"> 407 </span> <span class="subxS2Comment"># . . call</span> +<span id="L408" class="LineNr"> 408 </span> e8/call <a href='124next-token.subx.html#L341'>skip-chars-matching</a>/disp32 +<span id="L409" class="LineNr"> 409 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L410" class="LineNr"> 410 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L411" class="LineNr"> 411 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> +<span id="L412" class="LineNr"> 412 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L413" class="LineNr"> 413 </span> 68/push <span class="Constant">"F - test-skip-chars-matching"</span>/imm32 +<span id="L414" class="LineNr"> 414 </span> 68/push 2/imm32 +<span id="L415" class="LineNr"> 415 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L416" class="LineNr"> 416 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L417" class="LineNr"> 417 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L418" class="LineNr"> 418 </span> <span class="subxS2Comment"># . . call</span> +<span id="L419" class="LineNr"> 419 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L420" class="LineNr"> 420 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L421" class="LineNr"> 421 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L422" class="LineNr"> 422 </span> <span class="subxComment"># end</span> +<span id="L423" class="LineNr"> 423 </span> c3/return +<span id="L424" class="LineNr"> 424 </span> +<span id="L425" class="LineNr"> 425 </span><span class="subxTest">test-skip-chars-matching-none</span>: +<span id="L426" class="LineNr"> 426 </span> <span class="subxComment"># setup</span> +<span id="L427" class="LineNr"> 427 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L428" class="LineNr"> 428 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L429" class="LineNr"> 429 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L430" class="LineNr"> 430 </span> <span class="subxS2Comment"># . . call</span> +<span id="L431" class="LineNr"> 431 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L432" class="LineNr"> 432 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L433" class="LineNr"> 433 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L434" class="LineNr"> 434 </span> <span class="subxComment"># write(_test-stream, "ab")</span> +<span id="L435" class="LineNr"> 435 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L436" class="LineNr"> 436 </span> 68/push <span class="Constant">"ab"</span>/imm32 +<span id="L437" class="LineNr"> 437 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L438" class="LineNr"> 438 </span> <span class="subxS2Comment"># . . call</span> +<span id="L439" class="LineNr"> 439 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L440" class="LineNr"> 440 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L441" class="LineNr"> 441 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L442" class="LineNr"> 442 </span> <span class="subxComment"># skip-chars-matching(_test-stream, 0x20/space)</span> +<span id="L443" class="LineNr"> 443 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L444" class="LineNr"> 444 </span> 68/push 0x20/imm32 +<span id="L445" class="LineNr"> 445 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L446" class="LineNr"> 446 </span> <span class="subxS2Comment"># . . call</span> +<span id="L447" class="LineNr"> 447 </span> e8/call <a href='124next-token.subx.html#L341'>skip-chars-matching</a>/disp32 +<span id="L448" class="LineNr"> 448 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L449" class="LineNr"> 449 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L450" class="LineNr"> 450 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 0, msg)</span> +<span id="L451" class="LineNr"> 451 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L452" class="LineNr"> 452 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-none"</span>/imm32 +<span id="L453" class="LineNr"> 453 </span> 68/push 0/imm32 +<span id="L454" class="LineNr"> 454 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L455" class="LineNr"> 455 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L456" class="LineNr"> 456 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L457" class="LineNr"> 457 </span> <span class="subxS2Comment"># . . call</span> +<span id="L458" class="LineNr"> 458 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L459" class="LineNr"> 459 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L460" class="LineNr"> 460 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L461" class="LineNr"> 461 </span> <span class="subxComment"># end</span> +<span id="L462" class="LineNr"> 462 </span> c3/return +<span id="L463" class="LineNr"> 463 </span> +<span id="L464" class="LineNr"> 464 </span><span class="subxFunction">skip-chars-matching-whitespace</span>: <span class="subxComment"># in: (addr stream byte)</span> +<span id="L465" class="LineNr"> 465 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L466" class="LineNr"> 466 </span> 55/push-ebp +<span id="L467" class="LineNr"> 467 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L468" class="LineNr"> 468 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L469" class="LineNr"> 469 </span> 50/push-eax +<span id="L470" class="LineNr"> 470 </span> 51/push-ecx +<span id="L471" class="LineNr"> 471 </span> 53/push-ebx +<span id="L472" class="LineNr"> 472 </span> 56/push-esi +<span id="L473" class="LineNr"> 473 </span> <span class="subxComment"># esi = in</span> +<span id="L474" class="LineNr"> 474 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L475" class="LineNr"> 475 </span> <span class="subxComment"># ecx = in->read</span> +<span id="L476" class="LineNr"> 476 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ecx</span> +<span id="L477" class="LineNr"> 477 </span> <span class="subxComment"># ebx = in->write</span> +<span id="L478" class="LineNr"> 478 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ebx</span> +<span id="L479" class="LineNr"> 479 </span><span class="Constant">$skip-chars-matching-whitespace:loop</span>: +<span id="L480" class="LineNr"> 480 </span> <span class="subxComment"># if (in->read >= in->write) break</span> +<span id="L481" class="LineNr"> 481 </span> 39/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with ebx</span> +<span id="L482" class="LineNr"> 482 </span> 7d/jump-if->= $skip-chars-matching-whitespace:end/disp8 +<span id="L483" class="LineNr"> 483 </span> <span class="subxComment"># eax = in->data[in->read]</span> +<span id="L484" class="LineNr"> 484 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L485" class="LineNr"> 485 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(esi+ecx+12) to AL</span> +<span id="L486" class="LineNr"> 486 </span> <span class="subxComment"># if (eax == ' ') goto body</span> +<span id="L487" class="LineNr"> 487 </span> 3d/compare-eax-and 0x20/imm32/space +<span id="L488" class="LineNr"> 488 </span> 74/jump-if-= $skip-chars-matching-whitespace:body/disp8 +<span id="L489" class="LineNr"> 489 </span> <span class="subxComment"># if (eax == '\n') goto body</span> +<span id="L490" class="LineNr"> 490 </span> 3d/compare-eax-and 0x0a/imm32/newline +<span id="L491" class="LineNr"> 491 </span> 74/jump-if-= $skip-chars-matching-whitespace:body/disp8 +<span id="L492" class="LineNr"> 492 </span> <span class="subxComment"># if (eax == '\t') goto body</span> +<span id="L493" class="LineNr"> 493 </span> 3d/compare-eax-and 0x09/imm32/tab +<span id="L494" class="LineNr"> 494 </span> 74/jump-if-= $skip-chars-matching-whitespace:body/disp8 +<span id="L495" class="LineNr"> 495 </span> <span class="subxComment"># if (eax != '\r') break</span> +<span id="L496" class="LineNr"> 496 </span> 3d/compare-eax-and 0x0d/imm32/cr +<span id="L497" class="LineNr"> 497 </span> 75/jump-if-!= $skip-chars-matching-whitespace:end/disp8 +<span id="L498" class="LineNr"> 498 </span><span class="Constant">$skip-chars-matching-whitespace:body</span>: +<span id="L499" class="LineNr"> 499 </span> <span class="subxComment"># ++in->read</span> +<span id="L500" class="LineNr"> 500 </span> 41/increment-ecx +<span id="L501" class="LineNr"> 501 </span> eb/jump $skip-chars-matching-whitespace:<span class="Constant">loop</span>/disp8 +<span id="L502" class="LineNr"> 502 </span><span class="Constant">$skip-chars-matching-whitespace:end</span>: +<span id="L503" class="LineNr"> 503 </span> <span class="subxComment"># persist in->read</span> +<span id="L504" class="LineNr"> 504 </span> 89/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx to *(esi+4)</span> +<span id="L505" class="LineNr"> 505 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L506" class="LineNr"> 506 </span> 5e/pop-to-esi +<span id="L507" class="LineNr"> 507 </span> 5b/pop-to-ebx +<span id="L508" class="LineNr"> 508 </span> 59/pop-to-ecx +<span id="L509" class="LineNr"> 509 </span> 58/pop-to-eax +<span id="L510" class="LineNr"> 510 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L511" class="LineNr"> 511 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L512" class="LineNr"> 512 </span> 5d/pop-to-ebp +<span id="L513" class="LineNr"> 513 </span> c3/return +<span id="L514" class="LineNr"> 514 </span> +<span id="L515" class="LineNr"> 515 </span><span class="subxTest">test-skip-chars-matching-whitespace</span>: +<span id="L516" class="LineNr"> 516 </span> <span class="subxComment"># setup</span> +<span id="L517" class="LineNr"> 517 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L518" class="LineNr"> 518 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L519" class="LineNr"> 519 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L520" class="LineNr"> 520 </span> <span class="subxS2Comment"># . . call</span> +<span id="L521" class="LineNr"> 521 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L522" class="LineNr"> 522 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L523" class="LineNr"> 523 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L524" class="LineNr"> 524 </span> <span class="subxComment"># write(_test-stream, " \nab")</span> +<span id="L525" class="LineNr"> 525 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L526" class="LineNr"> 526 </span> 68/push <span class="Constant">" \nab"</span>/imm32 +<span id="L527" class="LineNr"> 527 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L528" class="LineNr"> 528 </span> <span class="subxS2Comment"># . . call</span> +<span id="L529" class="LineNr"> 529 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L530" class="LineNr"> 530 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L531" class="LineNr"> 531 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L532" class="LineNr"> 532 </span> <span class="subxComment"># skip-chars-matching-whitespace(_test-stream)</span> +<span id="L533" class="LineNr"> 533 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L534" class="LineNr"> 534 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L535" class="LineNr"> 535 </span> <span class="subxS2Comment"># . . call</span> +<span id="L536" class="LineNr"> 536 </span> e8/call <a href='124next-token.subx.html#L464'>skip-chars-matching-whitespace</a>/disp32 +<span id="L537" class="LineNr"> 537 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L538" class="LineNr"> 538 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L539" class="LineNr"> 539 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> +<span id="L540" class="LineNr"> 540 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L541" class="LineNr"> 541 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-whitespace"</span>/imm32 +<span id="L542" class="LineNr"> 542 </span> 68/push 2/imm32 +<span id="L543" class="LineNr"> 543 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L544" class="LineNr"> 544 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L545" class="LineNr"> 545 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L546" class="LineNr"> 546 </span> <span class="subxS2Comment"># . . call</span> +<span id="L547" class="LineNr"> 547 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L548" class="LineNr"> 548 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L549" class="LineNr"> 549 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L550" class="LineNr"> 550 </span> <span class="subxComment"># end</span> +<span id="L551" class="LineNr"> 551 </span> c3/return +<span id="L552" class="LineNr"> 552 </span> +<span id="L553" class="LineNr"> 553 </span><span class="subxComment"># minor fork of 'skip-chars-matching'</span> +<span id="L554" class="LineNr"> 554 </span><span class="subxFunction">skip-chars-not-matching</span>: <span class="subxComment"># in: (addr stream byte), delimiter: byte</span> +<span id="L555" class="LineNr"> 555 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L556" class="LineNr"> 556 </span> 55/push-ebp +<span id="L557" class="LineNr"> 557 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L558" class="LineNr"> 558 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L559" class="LineNr"> 559 </span> 50/push-eax +<span id="L560" class="LineNr"> 560 </span> 51/push-ecx +<span id="L561" class="LineNr"> 561 </span> 52/push-edx +<span id="L562" class="LineNr"> 562 </span> 53/push-ebx +<span id="L563" class="LineNr"> 563 </span> 56/push-esi +<span id="L564" class="LineNr"> 564 </span> <span class="subxComment"># esi = in</span> +<span id="L565" class="LineNr"> 565 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L566" class="LineNr"> 566 </span> <span class="subxComment"># ecx = in->read</span> +<span id="L567" class="LineNr"> 567 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ecx</span> +<span id="L568" class="LineNr"> 568 </span> <span class="subxComment"># ebx = in->write</span> +<span id="L569" class="LineNr"> 569 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ebx</span> +<span id="L570" class="LineNr"> 570 </span> <span class="subxComment"># edx = delimiter</span> +<span id="L571" class="LineNr"> 571 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edx</span> +<span id="L572" class="LineNr"> 572 </span><span class="Constant">$skip-chars-not-matching:loop</span>: +<span id="L573" class="LineNr"> 573 </span> <span class="subxComment"># if (in->read >= in->write) break</span> +<span id="L574" class="LineNr"> 574 </span> 39/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with ebx</span> +<span id="L575" class="LineNr"> 575 </span> 7d/jump-if->= $skip-chars-not-matching:end/disp8 +<span id="L576" class="LineNr"> 576 </span> <span class="subxComment"># eax = in->data[in->read]</span> +<span id="L577" class="LineNr"> 577 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L578" class="LineNr"> 578 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(esi+ecx+12) to AL</span> +<span id="L579" class="LineNr"> 579 </span> <span class="subxComment"># if (eax == delimiter) break</span> +<span id="L580" class="LineNr"> 580 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax and edx</span> +<span id="L581" class="LineNr"> 581 </span> 74/jump-if-= $skip-chars-not-matching:end/disp8 +<span id="L582" class="LineNr"> 582 </span> <span class="subxComment"># ++in->read</span> +<span id="L583" class="LineNr"> 583 </span> 41/increment-ecx +<span id="L584" class="LineNr"> 584 </span> eb/jump $skip-chars-not-matching:<span class="Constant">loop</span>/disp8 +<span id="L585" class="LineNr"> 585 </span><span class="Constant">$skip-chars-not-matching:end</span>: +<span id="L586" class="LineNr"> 586 </span> <span class="subxComment"># persist in->read</span> +<span id="L587" class="LineNr"> 587 </span> 89/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx to *(esi+4)</span> +<span id="L588" class="LineNr"> 588 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L589" class="LineNr"> 589 </span> 5e/pop-to-esi +<span id="L590" class="LineNr"> 590 </span> 5b/pop-to-ebx +<span id="L591" class="LineNr"> 591 </span> 5a/pop-to-edx +<span id="L592" class="LineNr"> 592 </span> 59/pop-to-ecx +<span id="L593" class="LineNr"> 593 </span> 58/pop-to-eax +<span id="L594" class="LineNr"> 594 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L595" class="LineNr"> 595 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L596" class="LineNr"> 596 </span> 5d/pop-to-ebp +<span id="L597" class="LineNr"> 597 </span> c3/return +<span id="L598" class="LineNr"> 598 </span> +<span id="L599" class="LineNr"> 599 </span><span class="subxTest">test-skip-chars-not-matching</span>: +<span id="L600" class="LineNr"> 600 </span> <span class="subxComment"># setup</span> +<span id="L601" class="LineNr"> 601 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L602" class="LineNr"> 602 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L603" class="LineNr"> 603 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L604" class="LineNr"> 604 </span> <span class="subxS2Comment"># . . call</span> +<span id="L605" class="LineNr"> 605 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L606" class="LineNr"> 606 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L607" class="LineNr"> 607 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L608" class="LineNr"> 608 </span> <span class="subxComment"># write(_test-stream, "ab ")</span> +<span id="L609" class="LineNr"> 609 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L610" class="LineNr"> 610 </span> 68/push <span class="Constant">"ab "</span>/imm32 +<span id="L611" class="LineNr"> 611 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L612" class="LineNr"> 612 </span> <span class="subxS2Comment"># . . call</span> +<span id="L613" class="LineNr"> 613 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L614" class="LineNr"> 614 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L615" class="LineNr"> 615 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L616" class="LineNr"> 616 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> +<span id="L617" class="LineNr"> 617 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L618" class="LineNr"> 618 </span> 68/push 0x20/imm32 +<span id="L619" class="LineNr"> 619 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L620" class="LineNr"> 620 </span> <span class="subxS2Comment"># . . call</span> +<span id="L621" class="LineNr"> 621 </span> e8/call <a href='124next-token.subx.html#L554'>skip-chars-not-matching</a>/disp32 +<span id="L622" class="LineNr"> 622 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L623" class="LineNr"> 623 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L624" class="LineNr"> 624 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> +<span id="L625" class="LineNr"> 625 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L626" class="LineNr"> 626 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching"</span>/imm32 +<span id="L627" class="LineNr"> 627 </span> 68/push 2/imm32 +<span id="L628" class="LineNr"> 628 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L629" class="LineNr"> 629 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L630" class="LineNr"> 630 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L631" class="LineNr"> 631 </span> <span class="subxS2Comment"># . . call</span> +<span id="L632" class="LineNr"> 632 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L633" class="LineNr"> 633 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L634" class="LineNr"> 634 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L635" class="LineNr"> 635 </span> <span class="subxComment"># end</span> +<span id="L636" class="LineNr"> 636 </span> c3/return +<span id="L637" class="LineNr"> 637 </span> +<span id="L638" class="LineNr"> 638 </span><span class="subxTest">test-skip-chars-not-matching-none</span>: +<span id="L639" class="LineNr"> 639 </span> <span class="subxComment"># setup</span> +<span id="L640" class="LineNr"> 640 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L641" class="LineNr"> 641 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L642" class="LineNr"> 642 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L643" class="LineNr"> 643 </span> <span class="subxS2Comment"># . . call</span> +<span id="L644" class="LineNr"> 644 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L645" class="LineNr"> 645 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L646" class="LineNr"> 646 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L647" class="LineNr"> 647 </span> <span class="subxComment"># write(_test-stream, " ab")</span> +<span id="L648" class="LineNr"> 648 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L649" class="LineNr"> 649 </span> 68/push <span class="Constant">" ab"</span>/imm32 +<span id="L650" class="LineNr"> 650 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L651" class="LineNr"> 651 </span> <span class="subxS2Comment"># . . call</span> +<span id="L652" class="LineNr"> 652 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L653" class="LineNr"> 653 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L654" class="LineNr"> 654 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L655" class="LineNr"> 655 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> +<span id="L656" class="LineNr"> 656 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L657" class="LineNr"> 657 </span> 68/push 0x20/imm32 +<span id="L658" class="LineNr"> 658 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L659" class="LineNr"> 659 </span> <span class="subxS2Comment"># . . call</span> +<span id="L660" class="LineNr"> 660 </span> e8/call <a href='124next-token.subx.html#L554'>skip-chars-not-matching</a>/disp32 +<span id="L661" class="LineNr"> 661 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L662" class="LineNr"> 662 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L663" class="LineNr"> 663 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 0, msg)</span> +<span id="L664" class="LineNr"> 664 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L665" class="LineNr"> 665 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-none"</span>/imm32 +<span id="L666" class="LineNr"> 666 </span> 68/push 0/imm32 +<span id="L667" class="LineNr"> 667 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L668" class="LineNr"> 668 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L669" class="LineNr"> 669 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L670" class="LineNr"> 670 </span> <span class="subxS2Comment"># . . call</span> +<span id="L671" class="LineNr"> 671 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L672" class="LineNr"> 672 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L673" class="LineNr"> 673 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L674" class="LineNr"> 674 </span> <span class="subxComment"># end</span> +<span id="L675" class="LineNr"> 675 </span> c3/return +<span id="L676" class="LineNr"> 676 </span> +<span id="L677" class="LineNr"> 677 </span><span class="subxTest">test-skip-chars-not-matching-all</span>: +<span id="L678" class="LineNr"> 678 </span> <span class="subxComment"># setup</span> +<span id="L679" class="LineNr"> 679 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L680" class="LineNr"> 680 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L681" class="LineNr"> 681 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L682" class="LineNr"> 682 </span> <span class="subxS2Comment"># . . call</span> +<span id="L683" class="LineNr"> 683 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L684" class="LineNr"> 684 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L685" class="LineNr"> 685 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L686" class="LineNr"> 686 </span> <span class="subxComment"># write(_test-stream, "ab")</span> +<span id="L687" class="LineNr"> 687 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L688" class="LineNr"> 688 </span> 68/push <span class="Constant">"ab"</span>/imm32 +<span id="L689" class="LineNr"> 689 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L690" class="LineNr"> 690 </span> <span class="subxS2Comment"># . . call</span> +<span id="L691" class="LineNr"> 691 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L692" class="LineNr"> 692 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L693" class="LineNr"> 693 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L694" class="LineNr"> 694 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> +<span id="L695" class="LineNr"> 695 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L696" class="LineNr"> 696 </span> 68/push 0x20/imm32 +<span id="L697" class="LineNr"> 697 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L698" class="LineNr"> 698 </span> <span class="subxS2Comment"># . . call</span> +<span id="L699" class="LineNr"> 699 </span> e8/call <a href='124next-token.subx.html#L554'>skip-chars-not-matching</a>/disp32 +<span id="L700" class="LineNr"> 700 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L701" class="LineNr"> 701 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L702" class="LineNr"> 702 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> +<span id="L703" class="LineNr"> 703 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L704" class="LineNr"> 704 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-all"</span>/imm32 +<span id="L705" class="LineNr"> 705 </span> 68/push 2/imm32 +<span id="L706" class="LineNr"> 706 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L707" class="LineNr"> 707 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L708" class="LineNr"> 708 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L709" class="LineNr"> 709 </span> <span class="subxS2Comment"># . . call</span> +<span id="L710" class="LineNr"> 710 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L711" class="LineNr"> 711 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L712" class="LineNr"> 712 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L713" class="LineNr"> 713 </span> <span class="subxComment"># end</span> +<span id="L714" class="LineNr"> 714 </span> c3/return +<span id="L715" class="LineNr"> 715 </span> +<span id="L716" class="LineNr"> 716 </span><span class="subxFunction">skip-chars-not-matching-whitespace</span>: <span class="subxComment"># in: (addr stream byte)</span> +<span id="L717" class="LineNr"> 717 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L718" class="LineNr"> 718 </span> 55/push-ebp +<span id="L719" class="LineNr"> 719 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L720" class="LineNr"> 720 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L721" class="LineNr"> 721 </span> 50/push-eax +<span id="L722" class="LineNr"> 722 </span> 51/push-ecx +<span id="L723" class="LineNr"> 723 </span> 53/push-ebx +<span id="L724" class="LineNr"> 724 </span> 56/push-esi +<span id="L725" class="LineNr"> 725 </span> <span class="subxComment"># esi = in</span> +<span id="L726" class="LineNr"> 726 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L727" class="LineNr"> 727 </span> <span class="subxComment"># ecx = in->read</span> +<span id="L728" class="LineNr"> 728 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ecx</span> +<span id="L729" class="LineNr"> 729 </span> <span class="subxComment"># ebx = in->write</span> +<span id="L730" class="LineNr"> 730 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ebx</span> +<span id="L731" class="LineNr"> 731 </span><span class="Constant">$skip-chars-not-matching-whitespace:loop</span>: +<span id="L732" class="LineNr"> 732 </span> <span class="subxComment"># if (in->read >= in->write) break</span> +<span id="L733" class="LineNr"> 733 </span> 39/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with ebx</span> +<span id="L734" class="LineNr"> 734 </span> 7d/jump-if->= $skip-chars-not-matching-whitespace:end/disp8 +<span id="L735" class="LineNr"> 735 </span> <span class="subxComment"># eax = in->data[in->read]</span> +<span id="L736" class="LineNr"> 736 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L737" class="LineNr"> 737 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(esi+ecx+12) to AL</span> +<span id="L738" class="LineNr"> 738 </span> <span class="subxComment"># if (eax == ' ') break</span> +<span id="L739" class="LineNr"> 739 </span> 3d/compare-eax-and 0x20/imm32/space +<span id="L740" class="LineNr"> 740 </span> 74/jump-if-= $skip-chars-not-matching-whitespace:end/disp8 +<span id="L741" class="LineNr"> 741 </span> <span class="subxComment"># if (eax == '\n') break</span> +<span id="L742" class="LineNr"> 742 </span> 3d/compare-eax-and 0x0a/imm32/newline +<span id="L743" class="LineNr"> 743 </span> 74/jump-if-= $skip-chars-not-matching-whitespace:end/disp8 +<span id="L744" class="LineNr"> 744 </span> <span class="subxComment"># if (eax == '\t') break</span> +<span id="L745" class="LineNr"> 745 </span> 3d/compare-eax-and 0x09/imm32/tab +<span id="L746" class="LineNr"> 746 </span> 74/jump-if-= $skip-chars-not-matching-whitespace:end/disp8 +<span id="L747" class="LineNr"> 747 </span> <span class="subxComment"># if (eax == '\r') break</span> +<span id="L748" class="LineNr"> 748 </span> 3d/compare-eax-and 0x0d/imm32/cr +<span id="L749" class="LineNr"> 749 </span> 74/jump-if-= $skip-chars-not-matching-whitespace:end/disp8 +<span id="L750" class="LineNr"> 750 </span> <span class="subxComment"># ++in->read</span> +<span id="L751" class="LineNr"> 751 </span> 41/increment-ecx +<span id="L752" class="LineNr"> 752 </span> eb/jump $skip-chars-not-matching-whitespace:<span class="Constant">loop</span>/disp8 +<span id="L753" class="LineNr"> 753 </span><span class="Constant">$skip-chars-not-matching-whitespace:end</span>: +<span id="L754" class="LineNr"> 754 </span> <span class="subxComment"># persist in->read</span> +<span id="L755" class="LineNr"> 755 </span> 89/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx to *(esi+4)</span> +<span id="L756" class="LineNr"> 756 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L757" class="LineNr"> 757 </span> 5e/pop-to-esi +<span id="L758" class="LineNr"> 758 </span> 5b/pop-to-ebx +<span id="L759" class="LineNr"> 759 </span> 59/pop-to-ecx +<span id="L760" class="LineNr"> 760 </span> 58/pop-to-eax +<span id="L761" class="LineNr"> 761 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L762" class="LineNr"> 762 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L763" class="LineNr"> 763 </span> 5d/pop-to-ebp +<span id="L764" class="LineNr"> 764 </span> c3/return +<span id="L765" class="LineNr"> 765 </span> +<span id="L766" class="LineNr"> 766 </span><span class="subxTest">test-skip-chars-not-matching-whitespace</span>: +<span id="L767" class="LineNr"> 767 </span> <span class="subxComment"># setup</span> +<span id="L768" class="LineNr"> 768 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L769" class="LineNr"> 769 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L770" class="LineNr"> 770 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L771" class="LineNr"> 771 </span> <span class="subxS2Comment"># . . call</span> +<span id="L772" class="LineNr"> 772 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L773" class="LineNr"> 773 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L774" class="LineNr"> 774 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L775" class="LineNr"> 775 </span> <span class="subxComment"># write(_test-stream, "ab\n")</span> +<span id="L776" class="LineNr"> 776 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L777" class="LineNr"> 777 </span> 68/push <span class="Constant">"ab\n"</span>/imm32 +<span id="L778" class="LineNr"> 778 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L779" class="LineNr"> 779 </span> <span class="subxS2Comment"># . . call</span> +<span id="L780" class="LineNr"> 780 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L781" class="LineNr"> 781 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L782" class="LineNr"> 782 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L783" class="LineNr"> 783 </span> <span class="subxComment"># skip-chars-not-matching-whitespace(_test-stream)</span> +<span id="L784" class="LineNr"> 784 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L785" class="LineNr"> 785 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L786" class="LineNr"> 786 </span> <span class="subxS2Comment"># . . call</span> +<span id="L787" class="LineNr"> 787 </span> e8/call <a href='124next-token.subx.html#L716'>skip-chars-not-matching-whitespace</a>/disp32 +<span id="L788" class="LineNr"> 788 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L789" class="LineNr"> 789 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L790" class="LineNr"> 790 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> +<span id="L791" class="LineNr"> 791 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L792" class="LineNr"> 792 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-whitespace"</span>/imm32 +<span id="L793" class="LineNr"> 793 </span> 68/push 2/imm32 +<span id="L794" class="LineNr"> 794 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L795" class="LineNr"> 795 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L796" class="LineNr"> 796 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L797" class="LineNr"> 797 </span> <span class="subxS2Comment"># . . call</span> +<span id="L798" class="LineNr"> 798 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L799" class="LineNr"> 799 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L800" class="LineNr"> 800 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L801" class="LineNr"> 801 </span> <span class="subxComment"># end</span> +<span id="L802" class="LineNr"> 802 </span> c3/return +<span id="L803" class="LineNr"> 803 </span> +<span id="L804" class="LineNr"> 804 </span><span class="subxFunction">skip-chars-matching-in-slice</span>: <span class="subxComment"># curr: (addr byte), end: (addr byte), delimiter: byte -> curr/eax: (addr byte)</span> +<span id="L805" class="LineNr"> 805 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L806" class="LineNr"> 806 </span> 55/push-ebp +<span id="L807" class="LineNr"> 807 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L808" class="LineNr"> 808 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L809" class="LineNr"> 809 </span> 51/push-ecx +<span id="L810" class="LineNr"> 810 </span> 52/push-edx +<span id="L811" class="LineNr"> 811 </span> 53/push-ebx +<span id="L812" class="LineNr"> 812 </span> <span class="subxComment"># eax = curr</span> +<span id="L813" class="LineNr"> 813 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span> +<span id="L814" class="LineNr"> 814 </span> <span class="subxComment"># ecx = end</span> +<span id="L815" class="LineNr"> 815 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to ecx</span> +<span id="L816" class="LineNr"> 816 </span> <span class="subxComment"># edx = delimiter</span> +<span id="L817" class="LineNr"> 817 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to edx</span> +<span id="L818" class="LineNr"> 818 </span> <span class="subxComment"># var c/ebx: byte = 0</span> +<span id="L819" class="LineNr"> 819 </span> 31/xor 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ebx</span> +<span id="L820" class="LineNr"> 820 </span><span class="Constant">$skip-chars-matching-in-slice:loop</span>: +<span id="L821" class="LineNr"> 821 </span> <span class="subxComment"># if (curr >= end) break</span> +<span id="L822" class="LineNr"> 822 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax with ecx</span> +<span id="L823" class="LineNr"> 823 </span> 73/jump-if-addr>= $skip-chars-matching-in-slice:end/disp8 +<span id="L824" class="LineNr"> 824 </span> <span class="subxComment"># c = *curr</span> +<span id="L825" class="LineNr"> 825 </span> 8a/copy-byte 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *eax to BL</span> +<span id="L826" class="LineNr"> 826 </span> <span class="subxComment"># if (c != delimiter) break</span> +<span id="L827" class="LineNr"> 827 </span> 39/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ebx and edx</span> +<span id="L828" class="LineNr"> 828 </span> 75/jump-if-!= $skip-chars-matching-in-slice:end/disp8 +<span id="L829" class="LineNr"> 829 </span> <span class="subxComment"># ++curr</span> +<span id="L830" class="LineNr"> 830 </span> 40/increment-eax +<span id="L831" class="LineNr"> 831 </span> eb/jump $skip-chars-matching-in-slice:<span class="Constant">loop</span>/disp8 +<span id="L832" class="LineNr"> 832 </span><span class="Constant">$skip-chars-matching-in-slice:end</span>: +<span id="L833" class="LineNr"> 833 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L834" class="LineNr"> 834 </span> 5b/pop-to-ebx +<span id="L835" class="LineNr"> 835 </span> 5a/pop-to-edx +<span id="L836" class="LineNr"> 836 </span> 59/pop-to-ecx +<span id="L837" class="LineNr"> 837 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L838" class="LineNr"> 838 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L839" class="LineNr"> 839 </span> 5d/pop-to-ebp +<span id="L840" class="LineNr"> 840 </span> c3/return +<span id="L841" class="LineNr"> 841 </span> +<span id="L842" class="LineNr"> 842 </span><span class="subxTest">test-skip-chars-matching-in-slice</span>: +<span id="L843" class="LineNr"> 843 </span> <span class="subxComment"># (eax..ecx) = " ab"</span> +<span id="L844" class="LineNr"> 844 </span> b8/copy-to-eax <span class="Constant">" ab"</span>/imm32 +<span id="L845" class="LineNr"> 845 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L846" class="LineNr"> 846 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L847" class="LineNr"> 847 </span> 05/add-to-eax 4/imm32 +<span id="L848" class="LineNr"> 848 </span> <span class="subxComment"># eax = skip-chars-matching-in-slice(eax, ecx, 0x20/space)</span> +<span id="L849" class="LineNr"> 849 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L850" class="LineNr"> 850 </span> 68/push 0x20/imm32/space +<span id="L851" class="LineNr"> 851 </span> 51/push-ecx +<span id="L852" class="LineNr"> 852 </span> 50/push-eax +<span id="L853" class="LineNr"> 853 </span> <span class="subxS2Comment"># . . call</span> +<span id="L854" class="LineNr"> 854 </span> e8/call <a href='124next-token.subx.html#L804'>skip-chars-matching-in-slice</a>/disp32 +<span id="L855" class="LineNr"> 855 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L856" class="LineNr"> 856 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L857" class="LineNr"> 857 </span> <span class="subxComment"># check-ints-equal(ecx-eax, 2, msg)</span> +<span id="L858" class="LineNr"> 858 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L859" class="LineNr"> 859 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-in-slice"</span>/imm32 +<span id="L860" class="LineNr"> 860 </span> 68/push 2/imm32 +<span id="L861" class="LineNr"> 861 </span> <span class="subxS2Comment"># . . push ecx-eax</span> +<span id="L862" class="LineNr"> 862 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L863" class="LineNr"> 863 </span> 51/push-ecx +<span id="L864" class="LineNr"> 864 </span> <span class="subxS2Comment"># . . call</span> +<span id="L865" class="LineNr"> 865 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L866" class="LineNr"> 866 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L867" class="LineNr"> 867 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L868" class="LineNr"> 868 </span> <span class="subxComment"># end</span> +<span id="L869" class="LineNr"> 869 </span> c3/return +<span id="L870" class="LineNr"> 870 </span> +<span id="L871" class="LineNr"> 871 </span><span class="subxTest">test-skip-chars-matching-in-slice-none</span>: +<span id="L872" class="LineNr"> 872 </span> <span class="subxComment"># (eax..ecx) = "ab"</span> +<span id="L873" class="LineNr"> 873 </span> b8/copy-to-eax <span class="Constant">"ab"</span>/imm32 +<span id="L874" class="LineNr"> 874 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L875" class="LineNr"> 875 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L876" class="LineNr"> 876 </span> 05/add-to-eax 4/imm32 +<span id="L877" class="LineNr"> 877 </span> <span class="subxComment"># eax = skip-chars-matching-in-slice(eax, ecx, 0x20/space)</span> +<span id="L878" class="LineNr"> 878 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L879" class="LineNr"> 879 </span> 68/push 0x20/imm32/space +<span id="L880" class="LineNr"> 880 </span> 51/push-ecx +<span id="L881" class="LineNr"> 881 </span> 50/push-eax +<span id="L882" class="LineNr"> 882 </span> <span class="subxS2Comment"># . . call</span> +<span id="L883" class="LineNr"> 883 </span> e8/call <a href='124next-token.subx.html#L804'>skip-chars-matching-in-slice</a>/disp32 +<span id="L884" class="LineNr"> 884 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L885" class="LineNr"> 885 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L886" class="LineNr"> 886 </span> <span class="subxComment"># check-ints-equal(ecx-eax, 2, msg)</span> +<span id="L887" class="LineNr"> 887 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L888" class="LineNr"> 888 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-in-slice-none"</span>/imm32 +<span id="L889" class="LineNr"> 889 </span> 68/push 2/imm32 +<span id="L890" class="LineNr"> 890 </span> <span class="subxS2Comment"># . . push ecx-eax</span> +<span id="L891" class="LineNr"> 891 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L892" class="LineNr"> 892 </span> 51/push-ecx +<span id="L893" class="LineNr"> 893 </span> <span class="subxS2Comment"># . . call</span> +<span id="L894" class="LineNr"> 894 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L895" class="LineNr"> 895 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L896" class="LineNr"> 896 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L897" class="LineNr"> 897 </span> <span class="subxComment"># end</span> +<span id="L898" class="LineNr"> 898 </span> c3/return +<span id="L899" class="LineNr"> 899 </span> +<span id="L900" class="LineNr"> 900 </span><span class="subxFunction">skip-chars-matching-whitespace-in-slice</span>: <span class="subxComment"># curr: (addr byte), end: (addr byte) -> curr/eax: (addr byte)</span> +<span id="L901" class="LineNr"> 901 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L902" class="LineNr"> 902 </span> 55/push-ebp +<span id="L903" class="LineNr"> 903 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L904" class="LineNr"> 904 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L905" class="LineNr"> 905 </span> 51/push-ecx +<span id="L906" class="LineNr"> 906 </span> 53/push-ebx +<span id="L907" class="LineNr"> 907 </span> <span class="subxComment"># eax = curr</span> +<span id="L908" class="LineNr"> 908 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span> +<span id="L909" class="LineNr"> 909 </span> <span class="subxComment"># ecx = end</span> +<span id="L910" class="LineNr"> 910 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to ecx</span> +<span id="L911" class="LineNr"> 911 </span> <span class="subxComment"># var c/ebx: byte = 0</span> +<span id="L912" class="LineNr"> 912 </span> 31/xor 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ebx</span> +<span id="L913" class="LineNr"> 913 </span><span class="Constant">$skip-chars-matching-whitespace-in-slice:loop</span>: +<span id="L914" class="LineNr"> 914 </span> <span class="subxComment"># if (curr >= end) break</span> +<span id="L915" class="LineNr"> 915 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax with ecx</span> +<span id="L916" class="LineNr"> 916 </span> 0f 83/jump-if-addr>= $skip-chars-matching-in-slice:end/disp32 +<span id="L917" class="LineNr"> 917 </span> <span class="subxComment"># c = *curr</span> +<span id="L918" class="LineNr"> 918 </span> 8a/copy-byte 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *eax to BL</span> +<span id="L919" class="LineNr"> 919 </span> <span class="subxComment"># if (c == ' ') goto body</span> +<span id="L920" class="LineNr"> 920 </span> 81 7/subop/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x20/imm32/space <span class="subxComment"># compare ebx</span> +<span id="L921" class="LineNr"> 921 </span> 74/jump-if-= $skip-chars-matching-whitespace-in-slice:body/disp8 +<span id="L922" class="LineNr"> 922 </span> <span class="subxComment"># if (c == '\n') goto body</span> +<span id="L923" class="LineNr"> 923 </span> 81 7/subop/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x0a/imm32/newline <span class="subxComment"># compare ebx</span> +<span id="L924" class="LineNr"> 924 </span> 74/jump-if-= $skip-chars-matching-whitespace-in-slice:body/disp8 +<span id="L925" class="LineNr"> 925 </span> <span class="subxComment"># if (c == '\t') goto body</span> +<span id="L926" class="LineNr"> 926 </span> 81 7/subop/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x09/imm32/tab <span class="subxComment"># compare ebx</span> +<span id="L927" class="LineNr"> 927 </span> 74/jump-if-= $skip-chars-matching-whitespace-in-slice:body/disp8 +<span id="L928" class="LineNr"> 928 </span> <span class="subxComment"># if (c != '\r') break</span> +<span id="L929" class="LineNr"> 929 </span> 81 7/subop/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x0d/imm32/cr <span class="subxComment"># compare ebx</span> +<span id="L930" class="LineNr"> 930 </span> 75/jump-if-!= $skip-chars-matching-whitespace-in-slice:end/disp8 +<span id="L931" class="LineNr"> 931 </span><span class="Constant">$skip-chars-matching-whitespace-in-slice:body</span>: +<span id="L932" class="LineNr"> 932 </span> <span class="subxComment"># ++curr</span> +<span id="L933" class="LineNr"> 933 </span> 40/increment-eax +<span id="L934" class="LineNr"> 934 </span> eb/jump $skip-chars-matching-whitespace-in-slice:<span class="Constant">loop</span>/disp8 +<span id="L935" class="LineNr"> 935 </span><span class="Constant">$skip-chars-matching-whitespace-in-slice:end</span>: +<span id="L936" class="LineNr"> 936 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L937" class="LineNr"> 937 </span> 5b/pop-to-ebx +<span id="L938" class="LineNr"> 938 </span> 59/pop-to-ecx +<span id="L939" class="LineNr"> 939 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L940" class="LineNr"> 940 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L941" class="LineNr"> 941 </span> 5d/pop-to-ebp +<span id="L942" class="LineNr"> 942 </span> c3/return +<span id="L943" class="LineNr"> 943 </span> +<span id="L944" class="LineNr"> 944 </span><span class="subxTest">test-skip-chars-matching-whitespace-in-slice</span>: +<span id="L945" class="LineNr"> 945 </span> <span class="subxComment"># (eax..ecx) = " \nab"</span> +<span id="L946" class="LineNr"> 946 </span> b8/copy-to-eax <span class="Constant">" \nab"</span>/imm32 +<span id="L947" class="LineNr"> 947 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L948" class="LineNr"> 948 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L949" class="LineNr"> 949 </span> 05/add-to-eax 4/imm32 +<span id="L950" class="LineNr"> 950 </span> <span class="subxComment"># eax = skip-chars-matching-whitespace-in-slice(eax, ecx)</span> +<span id="L951" class="LineNr"> 951 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L952" class="LineNr"> 952 </span> 51/push-ecx +<span id="L953" class="LineNr"> 953 </span> 50/push-eax +<span id="L954" class="LineNr"> 954 </span> <span class="subxS2Comment"># . . call</span> +<span id="L955" class="LineNr"> 955 </span> e8/call <a href='124next-token.subx.html#L900'>skip-chars-matching-whitespace-in-slice</a>/disp32 +<span id="L956" class="LineNr"> 956 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L957" class="LineNr"> 957 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L958" class="LineNr"> 958 </span> <span class="subxComment"># check-ints-equal(ecx-eax, 2, msg)</span> +<span id="L959" class="LineNr"> 959 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L960" class="LineNr"> 960 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-whitespace-in-slice"</span>/imm32 +<span id="L961" class="LineNr"> 961 </span> 68/push 2/imm32 +<span id="L962" class="LineNr"> 962 </span> <span class="subxS2Comment"># . . push ecx-eax</span> +<span id="L963" class="LineNr"> 963 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L964" class="LineNr"> 964 </span> 51/push-ecx +<span id="L965" class="LineNr"> 965 </span> <span class="subxS2Comment"># . . call</span> +<span id="L966" class="LineNr"> 966 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L967" class="LineNr"> 967 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L968" class="LineNr"> 968 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L969" class="LineNr"> 969 </span> <span class="subxComment"># end</span> +<span id="L970" class="LineNr"> 970 </span> c3/return +<span id="L971" class="LineNr"> 971 </span> +<span id="L972" class="LineNr"> 972 </span><span class="subxComment"># minor fork of 'skip-chars-matching-in-slice'</span> +<span id="L973" class="LineNr"> 973 </span><span class="subxFunction">skip-chars-not-matching-in-slice</span>: <span class="subxComment"># curr: (addr byte), end: (addr byte), delimiter: byte -> curr/eax: (addr byte)</span> +<span id="L974" class="LineNr"> 974 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L975" class="LineNr"> 975 </span> 55/push-ebp +<span id="L976" class="LineNr"> 976 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L977" class="LineNr"> 977 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L978" class="LineNr"> 978 </span> 51/push-ecx +<span id="L979" class="LineNr"> 979 </span> 52/push-edx +<span id="L980" class="LineNr"> 980 </span> 53/push-ebx +<span id="L981" class="LineNr"> 981 </span> <span class="subxComment"># eax = curr</span> +<span id="L982" class="LineNr"> 982 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span> +<span id="L983" class="LineNr"> 983 </span> <span class="subxComment"># ecx = end</span> +<span id="L984" class="LineNr"> 984 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to ecx</span> +<span id="L985" class="LineNr"> 985 </span> <span class="subxComment"># edx = delimiter</span> +<span id="L986" class="LineNr"> 986 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to edx</span> +<span id="L987" class="LineNr"> 987 </span> <span class="subxComment"># var c/ebx: byte = 0</span> +<span id="L988" class="LineNr"> 988 </span> 31/xor 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ebx</span> +<span id="L989" class="LineNr"> 989 </span><span class="Constant">$skip-chars-not-matching-in-slice:loop</span>: +<span id="L990" class="LineNr"> 990 </span> <span class="subxComment"># if (curr >= end) break</span> +<span id="L991" class="LineNr"> 991 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax with ecx</span> +<span id="L992" class="LineNr"> 992 </span> 73/jump-if-addr>= $skip-chars-not-matching-in-slice:end/disp8 +<span id="L993" class="LineNr"> 993 </span> <span class="subxComment"># c = *curr</span> +<span id="L994" class="LineNr"> 994 </span> 8a/copy-byte 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *eax to BL</span> +<span id="L995" class="LineNr"> 995 </span> <span class="subxComment"># if (c == delimiter) break</span> +<span id="L996" class="LineNr"> 996 </span> 39/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ebx and edx</span> +<span id="L997" class="LineNr"> 997 </span> 74/jump-if-= $skip-chars-not-matching-in-slice:end/disp8 +<span id="L998" class="LineNr"> 998 </span> <span class="subxComment"># ++curr</span> +<span id="L999" class="LineNr"> 999 </span> 40/increment-eax +<span id="L1000" class="LineNr">1000 </span> eb/jump $skip-chars-not-matching-in-slice:<span class="Constant">loop</span>/disp8 +<span id="L1001" class="LineNr">1001 </span><span class="Constant">$skip-chars-not-matching-in-slice:end</span>: +<span id="L1002" class="LineNr">1002 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L1003" class="LineNr">1003 </span> 5b/pop-to-ebx +<span id="L1004" class="LineNr">1004 </span> 5a/pop-to-edx +<span id="L1005" class="LineNr">1005 </span> 59/pop-to-ecx +<span id="L1006" class="LineNr">1006 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1007" class="LineNr">1007 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1008" class="LineNr">1008 </span> 5d/pop-to-ebp +<span id="L1009" class="LineNr">1009 </span> c3/return +<span id="L1010" class="LineNr">1010 </span> +<span id="L1011" class="LineNr">1011 </span><span class="subxTest">test-skip-chars-not-matching-in-slice</span>: +<span id="L1012" class="LineNr">1012 </span> <span class="subxComment"># (eax..ecx) = "ab "</span> +<span id="L1013" class="LineNr">1013 </span> b8/copy-to-eax <span class="Constant">"ab "</span>/imm32 +<span id="L1014" class="LineNr">1014 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L1015" class="LineNr">1015 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L1016" class="LineNr">1016 </span> 05/add-to-eax 4/imm32 +<span id="L1017" class="LineNr">1017 </span> <span class="subxComment"># eax = skip-chars-not-matching-in-slice(eax, ecx, 0x20/space)</span> +<span id="L1018" class="LineNr">1018 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1019" class="LineNr">1019 </span> 68/push 0x20/imm32/space +<span id="L1020" class="LineNr">1020 </span> 51/push-ecx +<span id="L1021" class="LineNr">1021 </span> 50/push-eax +<span id="L1022" class="LineNr">1022 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1023" class="LineNr">1023 </span> e8/call <a href='124next-token.subx.html#L973'>skip-chars-not-matching-in-slice</a>/disp32 +<span id="L1024" class="LineNr">1024 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1025" class="LineNr">1025 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1026" class="LineNr">1026 </span> <span class="subxComment"># check-ints-equal(ecx-eax, 1, msg)</span> +<span id="L1027" class="LineNr">1027 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1028" class="LineNr">1028 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-in-slice"</span>/imm32 +<span id="L1029" class="LineNr">1029 </span> 68/push 1/imm32 +<span id="L1030" class="LineNr">1030 </span> <span class="subxS2Comment"># . . push ecx-eax</span> +<span id="L1031" class="LineNr">1031 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L1032" class="LineNr">1032 </span> 51/push-ecx +<span id="L1033" class="LineNr">1033 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1034" class="LineNr">1034 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1035" class="LineNr">1035 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1036" class="LineNr">1036 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1037" class="LineNr">1037 </span> <span class="subxComment"># end</span> +<span id="L1038" class="LineNr">1038 </span> c3/return +<span id="L1039" class="LineNr">1039 </span> +<span id="L1040" class="LineNr">1040 </span><span class="subxTest">test-skip-chars-not-matching-in-slice-none</span>: +<span id="L1041" class="LineNr">1041 </span> <span class="subxComment"># (eax..ecx) = " ab"</span> +<span id="L1042" class="LineNr">1042 </span> b8/copy-to-eax <span class="Constant">" ab"</span>/imm32 +<span id="L1043" class="LineNr">1043 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L1044" class="LineNr">1044 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L1045" class="LineNr">1045 </span> 05/add-to-eax 4/imm32 +<span id="L1046" class="LineNr">1046 </span> <span class="subxComment"># eax = skip-chars-not-matching-in-slice(eax, ecx, 0x20/space)</span> +<span id="L1047" class="LineNr">1047 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1048" class="LineNr">1048 </span> 68/push 0x20/imm32/space +<span id="L1049" class="LineNr">1049 </span> 51/push-ecx +<span id="L1050" class="LineNr">1050 </span> 50/push-eax +<span id="L1051" class="LineNr">1051 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1052" class="LineNr">1052 </span> e8/call <a href='124next-token.subx.html#L973'>skip-chars-not-matching-in-slice</a>/disp32 +<span id="L1053" class="LineNr">1053 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1054" class="LineNr">1054 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1055" class="LineNr">1055 </span> <span class="subxComment"># check-ints-equal(ecx-eax, 3, msg)</span> +<span id="L1056" class="LineNr">1056 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1057" class="LineNr">1057 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-in-slice-none"</span>/imm32 +<span id="L1058" class="LineNr">1058 </span> 68/push 3/imm32 +<span id="L1059" class="LineNr">1059 </span> <span class="subxS2Comment"># . . push ecx-eax</span> +<span id="L1060" class="LineNr">1060 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L1061" class="LineNr">1061 </span> 51/push-ecx +<span id="L1062" class="LineNr">1062 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1063" class="LineNr">1063 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1064" class="LineNr">1064 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1065" class="LineNr">1065 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1066" class="LineNr">1066 </span> <span class="subxComment"># end</span> +<span id="L1067" class="LineNr">1067 </span> c3/return +<span id="L1068" class="LineNr">1068 </span> +<span id="L1069" class="LineNr">1069 </span><span class="subxTest">test-skip-chars-not-matching-in-slice-all</span>: +<span id="L1070" class="LineNr">1070 </span> <span class="subxComment"># (eax..ecx) = "ab"</span> +<span id="L1071" class="LineNr">1071 </span> b8/copy-to-eax <span class="Constant">"ab"</span>/imm32 +<span id="L1072" class="LineNr">1072 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L1073" class="LineNr">1073 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L1074" class="LineNr">1074 </span> 05/add-to-eax 4/imm32 +<span id="L1075" class="LineNr">1075 </span> <span class="subxComment"># eax = skip-chars-not-matching-in-slice(eax, ecx, 0x20/space)</span> +<span id="L1076" class="LineNr">1076 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1077" class="LineNr">1077 </span> 68/push 0x20/imm32/space +<span id="L1078" class="LineNr">1078 </span> 51/push-ecx +<span id="L1079" class="LineNr">1079 </span> 50/push-eax +<span id="L1080" class="LineNr">1080 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1081" class="LineNr">1081 </span> e8/call <a href='124next-token.subx.html#L973'>skip-chars-not-matching-in-slice</a>/disp32 +<span id="L1082" class="LineNr">1082 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1083" class="LineNr">1083 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1084" class="LineNr">1084 </span> <span class="subxComment"># check-ints-equal(ecx-eax, 0, msg)</span> +<span id="L1085" class="LineNr">1085 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1086" class="LineNr">1086 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-in-slice-all"</span>/imm32 +<span id="L1087" class="LineNr">1087 </span> 68/push 0/imm32 +<span id="L1088" class="LineNr">1088 </span> <span class="subxS2Comment"># . . push ecx-eax</span> +<span id="L1089" class="LineNr">1089 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L1090" class="LineNr">1090 </span> 51/push-ecx +<span id="L1091" class="LineNr">1091 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1092" class="LineNr">1092 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1093" class="LineNr">1093 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1094" class="LineNr">1094 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1095" class="LineNr">1095 </span> <span class="subxComment"># end</span> +<span id="L1096" class="LineNr">1096 </span> c3/return +<span id="L1097" class="LineNr">1097 </span> +<span id="L1098" class="LineNr">1098 </span><span class="subxFunction">skip-chars-not-matching-whitespace-in-slice</span>: <span class="subxComment"># curr: (addr byte), end: (addr byte) -> curr/eax: (addr byte)</span> +<span id="L1099" class="LineNr">1099 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1100" class="LineNr">1100 </span> 55/push-ebp +<span id="L1101" class="LineNr">1101 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1102" class="LineNr">1102 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L1103" class="LineNr">1103 </span> 51/push-ecx +<span id="L1104" class="LineNr">1104 </span> 53/push-ebx +<span id="L1105" class="LineNr">1105 </span> <span class="subxComment"># eax = curr</span> +<span id="L1106" class="LineNr">1106 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span> +<span id="L1107" class="LineNr">1107 </span> <span class="subxComment"># ecx = end</span> +<span id="L1108" class="LineNr">1108 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to ecx</span> +<span id="L1109" class="LineNr">1109 </span> <span class="subxComment"># var c/ebx: byte = 0</span> +<span id="L1110" class="LineNr">1110 </span> 31/xor 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ebx</span> +<span id="L1111" class="LineNr">1111 </span><span class="Constant">$skip-chars-not-matching-whitespace-in-slice:loop</span>: +<span id="L1112" class="LineNr">1112 </span> <span class="subxComment"># if (curr >= end) break</span> +<span id="L1113" class="LineNr">1113 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax with ecx</span> +<span id="L1114" class="LineNr">1114 </span> 0f 83/jump-if-addr>= $skip-chars-not-matching-in-slice:end/disp32 +<span id="L1115" class="LineNr">1115 </span> <span class="subxComment"># c = *curr</span> +<span id="L1116" class="LineNr">1116 </span> 8a/copy-byte 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *eax to BL</span> +<span id="L1117" class="LineNr">1117 </span> <span class="subxComment"># if (c == ' ') break</span> +<span id="L1118" class="LineNr">1118 </span> 81 7/subop/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x20/imm32/space <span class="subxComment"># compare ebx</span> +<span id="L1119" class="LineNr">1119 </span> 74/jump-if-= $skip-chars-not-matching-whitespace-in-slice:end/disp8 +<span id="L1120" class="LineNr">1120 </span> <span class="subxComment"># if (c == '\n') break</span> +<span id="L1121" class="LineNr">1121 </span> 81 7/subop/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x0a/imm32/newline <span class="subxComment"># compare ebx</span> +<span id="L1122" class="LineNr">1122 </span> 74/jump-if-= $skip-chars-not-matching-whitespace-in-slice:end/disp8 +<span id="L1123" class="LineNr">1123 </span> <span class="subxComment"># if (c == '\t') break</span> +<span id="L1124" class="LineNr">1124 </span> 81 7/subop/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x09/imm32/tab <span class="subxComment"># compare ebx</span> +<span id="L1125" class="LineNr">1125 </span> 74/jump-if-= $skip-chars-not-matching-whitespace-in-slice:end/disp8 +<span id="L1126" class="LineNr">1126 </span> <span class="subxComment"># if (c == '\r') break</span> +<span id="L1127" class="LineNr">1127 </span> 81 7/subop/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x0d/imm32/cr <span class="subxComment"># compare ebx</span> +<span id="L1128" class="LineNr">1128 </span> 74/jump-if-= $skip-chars-not-matching-whitespace-in-slice:end/disp8 +<span id="L1129" class="LineNr">1129 </span> <span class="subxComment"># ++curr</span> +<span id="L1130" class="LineNr">1130 </span> 40/increment-eax +<span id="L1131" class="LineNr">1131 </span> eb/jump $skip-chars-not-matching-whitespace-in-slice:<span class="Constant">loop</span>/disp8 +<span id="L1132" class="LineNr">1132 </span><span class="Constant">$skip-chars-not-matching-whitespace-in-slice:end</span>: +<span id="L1133" class="LineNr">1133 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L1134" class="LineNr">1134 </span> 5b/pop-to-ebx +<span id="L1135" class="LineNr">1135 </span> 59/pop-to-ecx +<span id="L1136" class="LineNr">1136 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1137" class="LineNr">1137 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1138" class="LineNr">1138 </span> 5d/pop-to-ebp +<span id="L1139" class="LineNr">1139 </span> c3/return +<span id="L1140" class="LineNr">1140 </span> +<span id="L1141" class="LineNr">1141 </span><span class="subxTest">test-skip-chars-not-matching-whitespace-in-slice</span>: +<span id="L1142" class="LineNr">1142 </span> <span class="subxComment"># (eax..ecx) = "ab\n"</span> +<span id="L1143" class="LineNr">1143 </span> b8/copy-to-eax <span class="Constant">"ab\n"</span>/imm32 +<span id="L1144" class="LineNr">1144 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L1145" class="LineNr">1145 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L1146" class="LineNr">1146 </span> 05/add-to-eax 4/imm32 +<span id="L1147" class="LineNr">1147 </span> <span class="subxComment"># eax = skip-chars-not-matching-whitespace-in-slice(eax, ecx)</span> +<span id="L1148" class="LineNr">1148 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1149" class="LineNr">1149 </span> 51/push-ecx +<span id="L1150" class="LineNr">1150 </span> 50/push-eax +<span id="L1151" class="LineNr">1151 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1152" class="LineNr">1152 </span> e8/call <a href='124next-token.subx.html#L1098'>skip-chars-not-matching-whitespace-in-slice</a>/disp32 +<span id="L1153" class="LineNr">1153 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1154" class="LineNr">1154 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1155" class="LineNr">1155 </span> <span class="subxComment"># check-ints-equal(ecx-eax, 1, msg)</span> +<span id="L1156" class="LineNr">1156 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1157" class="LineNr">1157 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-whitespace-in-slice"</span>/imm32 +<span id="L1158" class="LineNr">1158 </span> 68/push 1/imm32 +<span id="L1159" class="LineNr">1159 </span> <span class="subxS2Comment"># . . push ecx-eax</span> +<span id="L1160" class="LineNr">1160 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L1161" class="LineNr">1161 </span> 51/push-ecx +<span id="L1162" class="LineNr">1162 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1163" class="LineNr">1163 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1164" class="LineNr">1164 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1165" class="LineNr">1165 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1166" class="LineNr">1166 </span> <span class="subxComment"># end</span> +<span id="L1167" class="LineNr">1167 </span> c3/return +<span id="L1168" class="LineNr">1168 </span> +<span id="L1169" class="LineNr">1169 </span><span class="subxComment"># update line->read to end of string literal surrounded by double quotes</span> +<span id="L1170" class="LineNr">1170 </span><span class="subxComment"># line->read must start out at a double-quote</span> +<span id="L1171" class="LineNr">1171 </span><span class="subxFunction">skip-string</span>: <span class="subxComment"># line: (addr stream byte)</span> +<span id="L1172" class="LineNr">1172 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1173" class="LineNr">1173 </span> 55/push-ebp +<span id="L1174" class="LineNr">1174 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1175" class="LineNr">1175 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L1176" class="LineNr">1176 </span> 50/push-eax +<span id="L1177" class="LineNr">1177 </span> 51/push-ecx +<span id="L1178" class="LineNr">1178 </span> 52/push-edx +<span id="L1179" class="LineNr">1179 </span> <span class="subxComment"># ecx = line</span> +<span id="L1180" class="LineNr">1180 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span> +<span id="L1181" class="LineNr">1181 </span> <span class="subxComment"># eax = skip-string-in-slice(&line->data[line->read], &line->data[line->write])</span> +<span id="L1182" class="LineNr">1182 </span> <span class="subxS2Comment"># . . push &line->data[line->write]</span> +<span id="L1183" class="LineNr">1183 </span> 8b/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ecx+8) to edx</span> +<span id="L1184" class="LineNr">1184 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ecx 2/index/edx <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx+edx+12 to edx</span> +<span id="L1185" class="LineNr">1185 </span> 52/push-edx +<span id="L1186" class="LineNr">1186 </span> <span class="subxS2Comment"># . . push &line->data[line->read]</span> +<span id="L1187" class="LineNr">1187 </span> 8b/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ecx+4) to edx</span> +<span id="L1188" class="LineNr">1188 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ecx 2/index/edx <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx+edx+12 to edx</span> +<span id="L1189" class="LineNr">1189 </span> 52/push-edx +<span id="L1190" class="LineNr">1190 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1191" class="LineNr">1191 </span> e8/call <a href='124next-token.subx.html#L1413'>skip-string-in-slice</a>/disp32 +<span id="L1192" class="LineNr">1192 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1193" class="LineNr">1193 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1194" class="LineNr">1194 </span> <span class="subxComment"># line->read = eax - line->data</span> +<span id="L1195" class="LineNr">1195 </span> 29/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract ecx from eax</span> +<span id="L1196" class="LineNr">1196 </span> 2d/subtract-from-eax 0xc/imm32 +<span id="L1197" class="LineNr">1197 </span> 89/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax to *(ecx+4)</span> +<span id="L1198" class="LineNr">1198 </span><span class="Constant">$skip-string:end</span>: +<span id="L1199" class="LineNr">1199 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L1200" class="LineNr">1200 </span> 5a/pop-to-edx +<span id="L1201" class="LineNr">1201 </span> 59/pop-to-ecx +<span id="L1202" class="LineNr">1202 </span> 58/pop-to-eax +<span id="L1203" class="LineNr">1203 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1204" class="LineNr">1204 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1205" class="LineNr">1205 </span> 5d/pop-to-ebp +<span id="L1206" class="LineNr">1206 </span> c3/return +<span id="L1207" class="LineNr">1207 </span> +<span id="L1208" class="LineNr">1208 </span><span class="subxTest">test-skip-string</span>: +<span id="L1209" class="LineNr">1209 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1210" class="LineNr">1210 </span> 55/push-ebp +<span id="L1211" class="LineNr">1211 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1212" class="LineNr">1212 </span> <span class="subxComment"># setup</span> +<span id="L1213" class="LineNr">1213 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1214" class="LineNr">1214 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1215" class="LineNr">1215 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1216" class="LineNr">1216 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1217" class="LineNr">1217 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L1218" class="LineNr">1218 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1219" class="LineNr">1219 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L1220" class="LineNr">1220 </span> <span class="subxS1Comment"># . write(_test-stream, "\"abc\" def")</span> +<span id="L1221" class="LineNr">1221 </span> <span class="subxS1Comment"># . indices: 0123 45</span> +<span id="L1222" class="LineNr">1222 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1223" class="LineNr">1223 </span> 68/push <span class="Constant">"\"</span>abc\<span class="Constant">" def"</span>/imm32 +<span id="L1224" class="LineNr">1224 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1225" class="LineNr">1225 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1226" class="LineNr">1226 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L1227" class="LineNr">1227 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1228" class="LineNr">1228 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1229" class="LineNr">1229 </span> <span class="subxComment"># precondition: line->read == 0</span> +<span id="L1230" class="LineNr">1230 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1231" class="LineNr">1231 </span> 68/push <span class="Constant">"F - <a href='124next-token.subx.html#L1208'>test-skip-string</a>/precondition"</span>/imm32 +<span id="L1232" class="LineNr">1232 </span> 68/push 0/imm32 +<span id="L1233" class="LineNr">1233 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1234" class="LineNr">1234 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L1235" class="LineNr">1235 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1236" class="LineNr">1236 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1237" class="LineNr">1237 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1238" class="LineNr">1238 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1239" class="LineNr">1239 </span> <span class="subxComment"># skip-string(_test-stream)</span> +<span id="L1240" class="LineNr">1240 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1241" class="LineNr">1241 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1242" class="LineNr">1242 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1243" class="LineNr">1243 </span> e8/call <a href='124next-token.subx.html#L1171'>skip-string</a>/disp32 +<span id="L1244" class="LineNr">1244 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1245" class="LineNr">1245 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L1246" class="LineNr">1246 </span> <span class="subxComment"># check-ints-equal(line->read, 5, msg)</span> +<span id="L1247" class="LineNr">1247 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1248" class="LineNr">1248 </span> 68/push <span class="Constant">"F - test-skip-string"</span>/imm32 +<span id="L1249" class="LineNr">1249 </span> 68/push 5/imm32 +<span id="L1250" class="LineNr">1250 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1251" class="LineNr">1251 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L1252" class="LineNr">1252 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1253" class="LineNr">1253 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1254" class="LineNr">1254 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1255" class="LineNr">1255 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1256" class="LineNr">1256 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1257" class="LineNr">1257 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1258" class="LineNr">1258 </span> 5d/pop-to-ebp +<span id="L1259" class="LineNr">1259 </span> c3/return +<span id="L1260" class="LineNr">1260 </span> +<span id="L1261" class="LineNr">1261 </span><span class="subxTest">test-skip-string-ignores-spaces</span>: +<span id="L1262" class="LineNr">1262 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1263" class="LineNr">1263 </span> 55/push-ebp +<span id="L1264" class="LineNr">1264 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1265" class="LineNr">1265 </span> <span class="subxComment"># setup</span> +<span id="L1266" class="LineNr">1266 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1267" class="LineNr">1267 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1268" class="LineNr">1268 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1269" class="LineNr">1269 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1270" class="LineNr">1270 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L1271" class="LineNr">1271 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1272" class="LineNr">1272 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L1273" class="LineNr">1273 </span> <span class="subxS1Comment"># . write(_test-stream, "\"a b\"/yz")</span> +<span id="L1274" class="LineNr">1274 </span> <span class="subxS1Comment"># . indices: 0123 45</span> +<span id="L1275" class="LineNr">1275 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1276" class="LineNr">1276 </span> 68/push <span class="Constant">"\"</span>a b\<span class="Constant">"/yz"</span>/imm32 +<span id="L1277" class="LineNr">1277 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1278" class="LineNr">1278 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1279" class="LineNr">1279 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L1280" class="LineNr">1280 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1281" class="LineNr">1281 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1282" class="LineNr">1282 </span> <span class="subxComment"># precondition: line->read == 0</span> +<span id="L1283" class="LineNr">1283 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1284" class="LineNr">1284 </span> 68/push <span class="Constant">"F - <a href='124next-token.subx.html#L1261'>test-skip-string-ignores-spaces</a>/precondition"</span>/imm32 +<span id="L1285" class="LineNr">1285 </span> 68/push 0/imm32 +<span id="L1286" class="LineNr">1286 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1287" class="LineNr">1287 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L1288" class="LineNr">1288 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1289" class="LineNr">1289 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1290" class="LineNr">1290 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1291" class="LineNr">1291 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1292" class="LineNr">1292 </span> <span class="subxComment"># skip-string(_test-stream)</span> +<span id="L1293" class="LineNr">1293 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1294" class="LineNr">1294 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1295" class="LineNr">1295 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1296" class="LineNr">1296 </span> e8/call <a href='124next-token.subx.html#L1171'>skip-string</a>/disp32 +<span id="L1297" class="LineNr">1297 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1298" class="LineNr">1298 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L1299" class="LineNr">1299 </span> <span class="subxComment"># check-ints-equal(line->read, 5, msg)</span> +<span id="L1300" class="LineNr">1300 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1301" class="LineNr">1301 </span> 68/push <span class="Constant">"F - test-skip-string-ignores-spaces"</span>/imm32 +<span id="L1302" class="LineNr">1302 </span> 68/push 5/imm32 +<span id="L1303" class="LineNr">1303 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1304" class="LineNr">1304 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L1305" class="LineNr">1305 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1306" class="LineNr">1306 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1307" class="LineNr">1307 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1308" class="LineNr">1308 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1309" class="LineNr">1309 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1310" class="LineNr">1310 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1311" class="LineNr">1311 </span> 5d/pop-to-ebp +<span id="L1312" class="LineNr">1312 </span> c3/return +<span id="L1313" class="LineNr">1313 </span> +<span id="L1314" class="LineNr">1314 </span><span class="subxTest">test-skip-string-ignores-escapes</span>: +<span id="L1315" class="LineNr">1315 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1316" class="LineNr">1316 </span> 55/push-ebp +<span id="L1317" class="LineNr">1317 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1318" class="LineNr">1318 </span> <span class="subxComment"># setup</span> +<span id="L1319" class="LineNr">1319 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1320" class="LineNr">1320 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1321" class="LineNr">1321 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1322" class="LineNr">1322 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1323" class="LineNr">1323 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L1324" class="LineNr">1324 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1325" class="LineNr">1325 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L1326" class="LineNr">1326 </span> <span class="subxS1Comment"># . write(_test-stream, "\"a\\\"b\"/yz")</span> +<span id="L1327" class="LineNr">1327 </span> <span class="subxS1Comment"># . indices: 01 2 34 56</span> +<span id="L1328" class="LineNr">1328 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1329" class="LineNr">1329 </span> 68/push <span class="Constant">"\"</span>a\\\<span class="Constant">"b\"</span>/yz"/imm32 +<span id="L1330" class="LineNr">1330 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1331" class="LineNr">1331 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1332" class="LineNr">1332 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L1333" class="LineNr">1333 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1334" class="LineNr">1334 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1335" class="LineNr">1335 </span> <span class="subxComment"># precondition: line->read == 0</span> +<span id="L1336" class="LineNr">1336 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1337" class="LineNr">1337 </span> 68/push <span class="Constant">"F - <a href='124next-token.subx.html#L1314'>test-skip-string-ignores-escapes</a>/precondition"</span>/imm32 +<span id="L1338" class="LineNr">1338 </span> 68/push 0/imm32 +<span id="L1339" class="LineNr">1339 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1340" class="LineNr">1340 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L1341" class="LineNr">1341 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1342" class="LineNr">1342 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1343" class="LineNr">1343 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1344" class="LineNr">1344 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1345" class="LineNr">1345 </span> <span class="subxComment"># skip-string(_test-stream)</span> +<span id="L1346" class="LineNr">1346 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1347" class="LineNr">1347 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1348" class="LineNr">1348 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1349" class="LineNr">1349 </span> e8/call <a href='124next-token.subx.html#L1171'>skip-string</a>/disp32 +<span id="L1350" class="LineNr">1350 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1351" class="LineNr">1351 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L1352" class="LineNr">1352 </span> <span class="subxComment"># check-ints-equal(line->read, 6, msg)</span> +<span id="L1353" class="LineNr">1353 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1354" class="LineNr">1354 </span> 68/push <span class="Constant">"F - test-skip-string-ignores-escapes"</span>/imm32 +<span id="L1355" class="LineNr">1355 </span> 68/push 6/imm32 +<span id="L1356" class="LineNr">1356 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1357" class="LineNr">1357 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L1358" class="LineNr">1358 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1359" class="LineNr">1359 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1360" class="LineNr">1360 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1361" class="LineNr">1361 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1362" class="LineNr">1362 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1363" class="LineNr">1363 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1364" class="LineNr">1364 </span> 5d/pop-to-ebp +<span id="L1365" class="LineNr">1365 </span> c3/return +<span id="L1366" class="LineNr">1366 </span> +<span id="L1367" class="LineNr">1367 </span><span class="subxTest">test-skip-string-works-from-mid-stream</span>: +<span id="L1368" class="LineNr">1368 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1369" class="LineNr">1369 </span> 55/push-ebp +<span id="L1370" class="LineNr">1370 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1371" class="LineNr">1371 </span> <span class="subxComment"># setup</span> +<span id="L1372" class="LineNr">1372 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1373" class="LineNr">1373 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1374" class="LineNr">1374 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1375" class="LineNr">1375 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1376" class="LineNr">1376 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L1377" class="LineNr">1377 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1378" class="LineNr">1378 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L1379" class="LineNr">1379 </span> <span class="subxS1Comment"># . write(_test-stream, "0 \"a\\\"b\"/yz")</span> +<span id="L1380" class="LineNr">1380 </span> <span class="subxS1Comment"># . indices: 01 2 34 56</span> +<span id="L1381" class="LineNr">1381 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1382" class="LineNr">1382 </span> 68/push <span class="Constant">"0 \"</span>a\\\<span class="Constant">"b\"</span>/yz"/imm32 +<span id="L1383" class="LineNr">1383 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1384" class="LineNr">1384 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1385" class="LineNr">1385 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L1386" class="LineNr">1386 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1387" class="LineNr">1387 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1388" class="LineNr">1388 </span> <span class="subxComment"># precondition: line->read == 2</span> +<span id="L1389" class="LineNr">1389 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1390" class="LineNr">1390 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 2/imm32 <span class="subxComment"># copy to *(eax+4)</span> +<span id="L1391" class="LineNr">1391 </span> <span class="subxComment"># skip-string(_test-stream)</span> +<span id="L1392" class="LineNr">1392 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1393" class="LineNr">1393 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1394" class="LineNr">1394 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1395" class="LineNr">1395 </span> e8/call <a href='124next-token.subx.html#L1171'>skip-string</a>/disp32 +<span id="L1396" class="LineNr">1396 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1397" class="LineNr">1397 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L1398" class="LineNr">1398 </span> <span class="subxComment"># check-ints-equal(line->read, 8, msg)</span> +<span id="L1399" class="LineNr">1399 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1400" class="LineNr">1400 </span> 68/push <span class="Constant">"F - test-skip-string-works-from-mid-stream"</span>/imm32 +<span id="L1401" class="LineNr">1401 </span> 68/push 8/imm32 +<span id="L1402" class="LineNr">1402 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1403" class="LineNr">1403 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L1404" class="LineNr">1404 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1405" class="LineNr">1405 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1406" class="LineNr">1406 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1407" class="LineNr">1407 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1408" class="LineNr">1408 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1409" class="LineNr">1409 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1410" class="LineNr">1410 </span> 5d/pop-to-ebp +<span id="L1411" class="LineNr">1411 </span> c3/return +<span id="L1412" class="LineNr">1412 </span> +<span id="L1413" class="LineNr">1413 </span><span class="subxFunction">skip-string-in-slice</span>: <span class="subxComment"># curr: (addr byte), end: (addr byte) -> curr/eax: (addr byte)</span> +<span id="L1414" class="LineNr">1414 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1415" class="LineNr">1415 </span> 55/push-ebp +<span id="L1416" class="LineNr">1416 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1417" class="LineNr">1417 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L1418" class="LineNr">1418 </span> 51/push-ecx +<span id="L1419" class="LineNr">1419 </span> 52/push-edx +<span id="L1420" class="LineNr">1420 </span> 53/push-ebx +<span id="L1421" class="LineNr">1421 </span> <span class="subxComment"># ecx = curr</span> +<span id="L1422" class="LineNr">1422 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span> +<span id="L1423" class="LineNr">1423 </span> <span class="subxComment"># edx = end</span> +<span id="L1424" class="LineNr">1424 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edx</span> +<span id="L1425" class="LineNr">1425 </span> <span class="subxComment"># var c/eax: byte = 0</span> +<span id="L1426" class="LineNr">1426 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L1427" class="LineNr">1427 </span> <span class="subxComment"># skip initial dquote</span> +<span id="L1428" class="LineNr">1428 </span> 41/increment-ecx +<span id="L1429" class="LineNr">1429 </span><span class="Constant">$skip-string-in-slice:loop</span>: +<span id="L1430" class="LineNr">1430 </span> <span class="subxComment"># if (curr >= end) return curr</span> +<span id="L1431" class="LineNr">1431 </span> 39/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with edx</span> +<span id="L1432" class="LineNr">1432 </span> 73/jump-if-addr>= $skip-string-in-slice:return-curr/disp8 +<span id="L1433" class="LineNr">1433 </span> <span class="subxComment"># c = *curr</span> +<span id="L1434" class="LineNr">1434 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ecx to AL</span> +<span id="L1435" class="LineNr">1435 </span><span class="Constant">$skip-string-in-slice:dquote</span>: +<span id="L1436" class="LineNr">1436 </span> <span class="subxComment"># if (c == '"') break</span> +<span id="L1437" class="LineNr">1437 </span> 3d/compare-eax-and 0x22/imm32/double-quote +<span id="L1438" class="LineNr">1438 </span> 74/jump-if-= $skip-string-in-slice:<span class="Constant">break</span>/disp8 +<span id="L1439" class="LineNr">1439 </span><span class="Constant">$skip-string-in-slice:check-for-escape</span>: +<span id="L1440" class="LineNr">1440 </span> <span class="subxComment"># if (c == '\') escape next char</span> +<span id="L1441" class="LineNr">1441 </span> 3d/compare-eax-and 0x5c/imm32/backslash +<span id="L1442" class="LineNr">1442 </span> 75/jump-if-!= $skip-string-in-slice:continue/disp8 +<span id="L1443" class="LineNr">1443 </span><span class="Constant">$skip-string-in-slice:escape</span>: +<span id="L1444" class="LineNr">1444 </span> 41/increment-ecx +<span id="L1445" class="LineNr">1445 </span><span class="Constant">$skip-string-in-slice:continue</span>: +<span id="L1446" class="LineNr">1446 </span> <span class="subxComment"># ++curr</span> +<span id="L1447" class="LineNr">1447 </span> 41/increment-ecx +<span id="L1448" class="LineNr">1448 </span> eb/jump $skip-string-in-slice:<span class="Constant">loop</span>/disp8 +<span id="L1449" class="LineNr">1449 </span><span class="Constant">$skip-string-in-slice:break</span>: +<span id="L1450" class="LineNr">1450 </span> <span class="subxComment"># skip final dquote</span> +<span id="L1451" class="LineNr">1451 </span> 41/increment-ecx +<span id="L1452" class="LineNr">1452 </span><span class="Constant">$skip-string-in-slice:return-curr</span>: +<span id="L1453" class="LineNr">1453 </span> <span class="subxComment"># return curr</span> +<span id="L1454" class="LineNr">1454 </span> 89/copy 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ecx to eax</span> +<span id="L1455" class="LineNr">1455 </span><span class="Constant">$skip-string-in-slice:end</span>: +<span id="L1456" class="LineNr">1456 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L1457" class="LineNr">1457 </span> 5b/pop-to-ebx +<span id="L1458" class="LineNr">1458 </span> 5a/pop-to-edx +<span id="L1459" class="LineNr">1459 </span> 59/pop-to-ecx +<span id="L1460" class="LineNr">1460 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1461" class="LineNr">1461 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1462" class="LineNr">1462 </span> 5d/pop-to-ebp +<span id="L1463" class="LineNr">1463 </span> c3/return +<span id="L1464" class="LineNr">1464 </span> +<span id="L1465" class="LineNr">1465 </span><span class="subxTest">test-skip-string-in-slice</span>: +<span id="L1466" class="LineNr">1466 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1467" class="LineNr">1467 </span> 55/push-ebp +<span id="L1468" class="LineNr">1468 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1469" class="LineNr">1469 </span> <span class="subxComment"># setup: (eax..ecx) = "\"abc\" def"</span> +<span id="L1470" class="LineNr">1470 </span> b8/copy-to-eax <span class="Constant">"\"</span>abc\<span class="Constant">" def"</span>/imm32 +<span id="L1471" class="LineNr">1471 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L1472" class="LineNr">1472 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L1473" class="LineNr">1473 </span> 05/add-to-eax 4/imm32 +<span id="L1474" class="LineNr">1474 </span> <span class="subxComment"># eax = skip-string-in-slice(eax, ecx)</span> +<span id="L1475" class="LineNr">1475 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1476" class="LineNr">1476 </span> 51/push-ecx +<span id="L1477" class="LineNr">1477 </span> 50/push-eax +<span id="L1478" class="LineNr">1478 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1479" class="LineNr">1479 </span> e8/call <a href='124next-token.subx.html#L1413'>skip-string-in-slice</a>/disp32 +<span id="L1480" class="LineNr">1480 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1481" class="LineNr">1481 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1482" class="LineNr">1482 </span> <span class="subxComment"># check-ints-equal(ecx-eax, 4, msg) # number of chars remaining after the string literal</span> +<span id="L1483" class="LineNr">1483 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1484" class="LineNr">1484 </span> 68/push <span class="Constant">"F - test-skip-string-in-slice"</span>/imm32 +<span id="L1485" class="LineNr">1485 </span> 68/push 4/imm32 +<span id="L1486" class="LineNr">1486 </span> <span class="subxS2Comment"># . . push ecx-eax</span> +<span id="L1487" class="LineNr">1487 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L1488" class="LineNr">1488 </span> 51/push-ecx +<span id="L1489" class="LineNr">1489 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1490" class="LineNr">1490 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1491" class="LineNr">1491 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1492" class="LineNr">1492 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1493" class="LineNr">1493 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1494" class="LineNr">1494 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1495" class="LineNr">1495 </span> 5d/pop-to-ebp +<span id="L1496" class="LineNr">1496 </span> c3/return +<span id="L1497" class="LineNr">1497 </span> +<span id="L1498" class="LineNr">1498 </span><span class="subxTest">test-skip-string-in-slice-ignores-spaces</span>: +<span id="L1499" class="LineNr">1499 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1500" class="LineNr">1500 </span> 55/push-ebp +<span id="L1501" class="LineNr">1501 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1502" class="LineNr">1502 </span> <span class="subxComment"># setup: (eax..ecx) = "\"a b\"/yz"</span> +<span id="L1503" class="LineNr">1503 </span> b8/copy-to-eax <span class="Constant">"\"</span>a b\<span class="Constant">"/yz"</span>/imm32 +<span id="L1504" class="LineNr">1504 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L1505" class="LineNr">1505 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L1506" class="LineNr">1506 </span> 05/add-to-eax 4/imm32 +<span id="L1507" class="LineNr">1507 </span> <span class="subxComment"># eax = skip-string-in-slice(eax, ecx)</span> +<span id="L1508" class="LineNr">1508 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1509" class="LineNr">1509 </span> 51/push-ecx +<span id="L1510" class="LineNr">1510 </span> 50/push-eax +<span id="L1511" class="LineNr">1511 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1512" class="LineNr">1512 </span> e8/call <a href='124next-token.subx.html#L1413'>skip-string-in-slice</a>/disp32 +<span id="L1513" class="LineNr">1513 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1514" class="LineNr">1514 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1515" class="LineNr">1515 </span> <span class="subxComment"># check-ints-equal(ecx-eax, 3, msg) # number of chars remaining after the string literal</span> +<span id="L1516" class="LineNr">1516 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1517" class="LineNr">1517 </span> 68/push <span class="Constant">"F - test-skip-string-in-slice-ignores-spaces"</span>/imm32 +<span id="L1518" class="LineNr">1518 </span> 68/push 3/imm32 +<span id="L1519" class="LineNr">1519 </span> <span class="subxS2Comment"># . . push ecx-eax</span> +<span id="L1520" class="LineNr">1520 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L1521" class="LineNr">1521 </span> 51/push-ecx +<span id="L1522" class="LineNr">1522 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1523" class="LineNr">1523 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1524" class="LineNr">1524 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1525" class="LineNr">1525 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1526" class="LineNr">1526 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1527" class="LineNr">1527 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1528" class="LineNr">1528 </span> 5d/pop-to-ebp +<span id="L1529" class="LineNr">1529 </span> c3/return +<span id="L1530" class="LineNr">1530 </span> +<span id="L1531" class="LineNr">1531 </span><span class="subxTest">test-skip-string-in-slice-ignores-escapes</span>: +<span id="L1532" class="LineNr">1532 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1533" class="LineNr">1533 </span> 55/push-ebp +<span id="L1534" class="LineNr">1534 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1535" class="LineNr">1535 </span> <span class="subxComment"># setup: (eax..ecx) = "\"a\\\"b\"/yz"</span> +<span id="L1536" class="LineNr">1536 </span> b8/copy-to-eax <span class="Constant">"\"</span>a\\\<span class="Constant">"b\"</span>/yz"/imm32 +<span id="L1537" class="LineNr">1537 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L1538" class="LineNr">1538 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L1539" class="LineNr">1539 </span> 05/add-to-eax 4/imm32 +<span id="L1540" class="LineNr">1540 </span> <span class="subxComment"># eax = skip-string-in-slice(eax, ecx)</span> +<span id="L1541" class="LineNr">1541 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1542" class="LineNr">1542 </span> 51/push-ecx +<span id="L1543" class="LineNr">1543 </span> 50/push-eax +<span id="L1544" class="LineNr">1544 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1545" class="LineNr">1545 </span> e8/call <a href='124next-token.subx.html#L1413'>skip-string-in-slice</a>/disp32 +<span id="L1546" class="LineNr">1546 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1547" class="LineNr">1547 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1548" class="LineNr">1548 </span> <span class="subxComment"># check-ints-equal(ecx-eax, 3, msg) # number of chars remaining after the string literal</span> +<span id="L1549" class="LineNr">1549 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1550" class="LineNr">1550 </span> 68/push <span class="Constant">"F - test-skip-string-in-slice-ignores-escapes"</span>/imm32 +<span id="L1551" class="LineNr">1551 </span> 68/push 3/imm32 +<span id="L1552" class="LineNr">1552 </span> <span class="subxS2Comment"># . . push ecx-eax</span> +<span id="L1553" class="LineNr">1553 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L1554" class="LineNr">1554 </span> 51/push-ecx +<span id="L1555" class="LineNr">1555 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1556" class="LineNr">1556 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1557" class="LineNr">1557 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1558" class="LineNr">1558 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1559" class="LineNr">1559 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1560" class="LineNr">1560 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1561" class="LineNr">1561 </span> 5d/pop-to-ebp +<span id="L1562" class="LineNr">1562 </span> c3/return +<span id="L1563" class="LineNr">1563 </span> +<span id="L1564" class="LineNr">1564 </span><span class="subxTest">test-skip-string-in-slice-stops-at-end</span>: +<span id="L1565" class="LineNr">1565 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1566" class="LineNr">1566 </span> 55/push-ebp +<span id="L1567" class="LineNr">1567 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1568" class="LineNr">1568 </span> <span class="subxComment"># setup: (eax..ecx) = "\"abc" # unbalanced dquote</span> +<span id="L1569" class="LineNr">1569 </span> b8/copy-to-eax <span class="Constant">"\"</span>abc"/imm32 +<span id="L1570" class="LineNr">1570 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L1571" class="LineNr">1571 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L1572" class="LineNr">1572 </span> 05/add-to-eax 4/imm32 +<span id="L1573" class="LineNr">1573 </span> <span class="subxComment"># eax = skip-string-in-slice(eax, ecx)</span> +<span id="L1574" class="LineNr">1574 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1575" class="LineNr">1575 </span> 51/push-ecx +<span id="L1576" class="LineNr">1576 </span> 50/push-eax +<span id="L1577" class="LineNr">1577 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1578" class="LineNr">1578 </span> e8/call <a href='124next-token.subx.html#L1413'>skip-string-in-slice</a>/disp32 +<span id="L1579" class="LineNr">1579 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1580" class="LineNr">1580 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1581" class="LineNr">1581 </span> <span class="subxComment"># check-ints-equal(ecx-eax, 0, msg) # skipped to end of slice</span> +<span id="L1582" class="LineNr">1582 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1583" class="LineNr">1583 </span> 68/push <span class="Constant">"F - test-skip-string-in-slice-stops-at-end"</span>/imm32 +<span id="L1584" class="LineNr">1584 </span> 68/push 0/imm32 +<span id="L1585" class="LineNr">1585 </span> <span class="subxS2Comment"># . . push ecx-eax</span> +<span id="L1586" class="LineNr">1586 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L1587" class="LineNr">1587 </span> 51/push-ecx +<span id="L1588" class="LineNr">1588 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1589" class="LineNr">1589 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1590" class="LineNr">1590 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1591" class="LineNr">1591 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1592" class="LineNr">1592 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1593" class="LineNr">1593 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1594" class="LineNr">1594 </span> 5d/pop-to-ebp +<span id="L1595" class="LineNr">1595 </span> c3/return +<span id="L1596" class="LineNr">1596 </span> +<span id="L1597" class="LineNr">1597 </span><span class="subxComment"># update line->read to ')'</span> +<span id="L1598" class="LineNr">1598 </span><span class="subxComment"># line->read ends at ')'</span> +<span id="L1599" class="LineNr">1599 </span><span class="subxFunction">skip-until-close-paren</span>: <span class="subxComment"># line: (addr stream byte)</span> +<span id="L1600" class="LineNr">1600 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1601" class="LineNr">1601 </span> 55/push-ebp +<span id="L1602" class="LineNr">1602 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1603" class="LineNr">1603 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L1604" class="LineNr">1604 </span> 50/push-eax +<span id="L1605" class="LineNr">1605 </span> 51/push-ecx +<span id="L1606" class="LineNr">1606 </span> 52/push-edx +<span id="L1607" class="LineNr">1607 </span> <span class="subxComment"># ecx = line</span> +<span id="L1608" class="LineNr">1608 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span> +<span id="L1609" class="LineNr">1609 </span> <span class="subxComment"># eax = skip-until-close-paren-in-slice(&line->data[line->read], &line->data[line->write])</span> +<span id="L1610" class="LineNr">1610 </span> <span class="subxS2Comment"># . . push &line->data[line->write]</span> +<span id="L1611" class="LineNr">1611 </span> 8b/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ecx+8) to edx</span> +<span id="L1612" class="LineNr">1612 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ecx 2/index/edx <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx+edx+12 to edx</span> +<span id="L1613" class="LineNr">1613 </span> 52/push-edx +<span id="L1614" class="LineNr">1614 </span> <span class="subxS2Comment"># . . push &line->data[line->read]</span> +<span id="L1615" class="LineNr">1615 </span> 8b/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ecx+4) to edx</span> +<span id="L1616" class="LineNr">1616 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ecx 2/index/edx <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx+edx+12 to edx</span> +<span id="L1617" class="LineNr">1617 </span> 52/push-edx +<span id="L1618" class="LineNr">1618 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1619" class="LineNr">1619 </span> e8/call <a href='124next-token.subx.html#L1786'>skip-until-close-paren-in-slice</a>/disp32 +<span id="L1620" class="LineNr">1620 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1621" class="LineNr">1621 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1622" class="LineNr">1622 </span> <span class="subxComment"># line->read = eax - line->data</span> +<span id="L1623" class="LineNr">1623 </span> 29/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract ecx from eax</span> +<span id="L1624" class="LineNr">1624 </span> 2d/subtract-from-eax 0xc/imm32 +<span id="L1625" class="LineNr">1625 </span> 89/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax to *(ecx+4)</span> +<span id="L1626" class="LineNr">1626 </span><span class="Constant">$skip-until-close-paren:end</span>: +<span id="L1627" class="LineNr">1627 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L1628" class="LineNr">1628 </span> 5a/pop-to-edx +<span id="L1629" class="LineNr">1629 </span> 59/pop-to-ecx +<span id="L1630" class="LineNr">1630 </span> 58/pop-to-eax +<span id="L1631" class="LineNr">1631 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1632" class="LineNr">1632 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1633" class="LineNr">1633 </span> 5d/pop-to-ebp +<span id="L1634" class="LineNr">1634 </span> c3/return +<span id="L1635" class="LineNr">1635 </span> +<span id="L1636" class="LineNr">1636 </span><span class="subxTest">test-skip-until-close-paren</span>: +<span id="L1637" class="LineNr">1637 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1638" class="LineNr">1638 </span> 55/push-ebp +<span id="L1639" class="LineNr">1639 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1640" class="LineNr">1640 </span> <span class="subxComment"># setup</span> +<span id="L1641" class="LineNr">1641 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1642" class="LineNr">1642 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1643" class="LineNr">1643 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1644" class="LineNr">1644 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1645" class="LineNr">1645 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L1646" class="LineNr">1646 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1647" class="LineNr">1647 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L1648" class="LineNr">1648 </span> <span class="subxS1Comment"># . write(_test-stream, "*(abc) def")</span> +<span id="L1649" class="LineNr">1649 </span> <span class="subxS1Comment"># . indices: 0123 45</span> +<span id="L1650" class="LineNr">1650 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1651" class="LineNr">1651 </span> 68/push <span class="Constant">"*(abc) def"</span>/imm32 +<span id="L1652" class="LineNr">1652 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1653" class="LineNr">1653 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1654" class="LineNr">1654 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L1655" class="LineNr">1655 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1656" class="LineNr">1656 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1657" class="LineNr">1657 </span> <span class="subxComment"># precondition: line->read == 0</span> +<span id="L1658" class="LineNr">1658 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1659" class="LineNr">1659 </span> 68/push <span class="Constant">"F - <a href='124next-token.subx.html#L1636'>test-skip-until-close-paren</a>/precondition"</span>/imm32 +<span id="L1660" class="LineNr">1660 </span> 68/push 0/imm32 +<span id="L1661" class="LineNr">1661 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1662" class="LineNr">1662 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L1663" class="LineNr">1663 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1664" class="LineNr">1664 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1665" class="LineNr">1665 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1666" class="LineNr">1666 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1667" class="LineNr">1667 </span> <span class="subxComment"># skip-until-close-paren(_test-stream)</span> +<span id="L1668" class="LineNr">1668 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1669" class="LineNr">1669 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1670" class="LineNr">1670 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1671" class="LineNr">1671 </span> e8/call <a href='124next-token.subx.html#L1599'>skip-until-close-paren</a>/disp32 +<span id="L1672" class="LineNr">1672 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1673" class="LineNr">1673 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L1674" class="LineNr">1674 </span> <span class="subxComment"># check-ints-equal(line->read, 5, msg)</span> +<span id="L1675" class="LineNr">1675 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1676" class="LineNr">1676 </span> 68/push <span class="Constant">"F - test-skip-until-close-paren"</span>/imm32 +<span id="L1677" class="LineNr">1677 </span> 68/push 5/imm32 +<span id="L1678" class="LineNr">1678 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1679" class="LineNr">1679 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L1680" class="LineNr">1680 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1681" class="LineNr">1681 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1682" class="LineNr">1682 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1683" class="LineNr">1683 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1684" class="LineNr">1684 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1685" class="LineNr">1685 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1686" class="LineNr">1686 </span> 5d/pop-to-ebp +<span id="L1687" class="LineNr">1687 </span> c3/return +<span id="L1688" class="LineNr">1688 </span> +<span id="L1689" class="LineNr">1689 </span><span class="subxTest">test-skip-until-close-paren-ignores-spaces</span>: +<span id="L1690" class="LineNr">1690 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1691" class="LineNr">1691 </span> 55/push-ebp +<span id="L1692" class="LineNr">1692 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1693" class="LineNr">1693 </span> <span class="subxComment"># setup</span> +<span id="L1694" class="LineNr">1694 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1695" class="LineNr">1695 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1696" class="LineNr">1696 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1697" class="LineNr">1697 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1698" class="LineNr">1698 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L1699" class="LineNr">1699 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1700" class="LineNr">1700 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L1701" class="LineNr">1701 </span> <span class="subxS1Comment"># . write(_test-stream, "*(a b)/yz")</span> +<span id="L1702" class="LineNr">1702 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1703" class="LineNr">1703 </span> 68/push <span class="Constant">"*(a b)/yz"</span>/imm32 +<span id="L1704" class="LineNr">1704 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1705" class="LineNr">1705 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1706" class="LineNr">1706 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L1707" class="LineNr">1707 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1708" class="LineNr">1708 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1709" class="LineNr">1709 </span> <span class="subxComment"># precondition: line->read == 0</span> +<span id="L1710" class="LineNr">1710 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1711" class="LineNr">1711 </span> 68/push <span class="Constant">"F - <a href='124next-token.subx.html#L1689'>test-skip-until-close-paren-ignores-spaces</a>/precondition"</span>/imm32 +<span id="L1712" class="LineNr">1712 </span> 68/push 0/imm32 +<span id="L1713" class="LineNr">1713 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1714" class="LineNr">1714 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L1715" class="LineNr">1715 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1716" class="LineNr">1716 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1717" class="LineNr">1717 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1718" class="LineNr">1718 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1719" class="LineNr">1719 </span> <span class="subxComment"># skip-until-close-paren(_test-stream)</span> +<span id="L1720" class="LineNr">1720 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1721" class="LineNr">1721 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1722" class="LineNr">1722 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1723" class="LineNr">1723 </span> e8/call <a href='124next-token.subx.html#L1599'>skip-until-close-paren</a>/disp32 +<span id="L1724" class="LineNr">1724 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1725" class="LineNr">1725 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L1726" class="LineNr">1726 </span> <span class="subxComment"># check-ints-equal(line->read, 5, msg)</span> +<span id="L1727" class="LineNr">1727 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1728" class="LineNr">1728 </span> 68/push <span class="Constant">"F - test-skip-until-close-paren-ignores-spaces"</span>/imm32 +<span id="L1729" class="LineNr">1729 </span> 68/push 5/imm32 +<span id="L1730" class="LineNr">1730 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1731" class="LineNr">1731 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L1732" class="LineNr">1732 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1733" class="LineNr">1733 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1734" class="LineNr">1734 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1735" class="LineNr">1735 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1736" class="LineNr">1736 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1737" class="LineNr">1737 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1738" class="LineNr">1738 </span> 5d/pop-to-ebp +<span id="L1739" class="LineNr">1739 </span> c3/return +<span id="L1740" class="LineNr">1740 </span> +<span id="L1741" class="LineNr">1741 </span><span class="subxTest">test-skip-until-close-paren-works-from-mid-stream</span>: +<span id="L1742" class="LineNr">1742 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1743" class="LineNr">1743 </span> 55/push-ebp +<span id="L1744" class="LineNr">1744 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1745" class="LineNr">1745 </span> <span class="subxComment"># setup</span> +<span id="L1746" class="LineNr">1746 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1747" class="LineNr">1747 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1748" class="LineNr">1748 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1749" class="LineNr">1749 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1750" class="LineNr">1750 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L1751" class="LineNr">1751 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1752" class="LineNr">1752 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L1753" class="LineNr">1753 </span> <span class="subxS1Comment"># . write(_test-stream, "0 *(a b)/yz")</span> +<span id="L1754" class="LineNr">1754 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1755" class="LineNr">1755 </span> 68/push <span class="Constant">"0 *(a b)/yz"</span>/imm32 +<span id="L1756" class="LineNr">1756 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1757" class="LineNr">1757 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1758" class="LineNr">1758 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L1759" class="LineNr">1759 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1760" class="LineNr">1760 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1761" class="LineNr">1761 </span> <span class="subxComment"># precondition: _test-stream->read == 2</span> +<span id="L1762" class="LineNr">1762 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1763" class="LineNr">1763 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 2/imm32 <span class="subxComment"># copy to *(eax+4)</span> +<span id="L1764" class="LineNr">1764 </span> <span class="subxComment"># skip-until-close-paren(_test-stream)</span> +<span id="L1765" class="LineNr">1765 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1766" class="LineNr">1766 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1767" class="LineNr">1767 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1768" class="LineNr">1768 </span> e8/call <a href='124next-token.subx.html#L1599'>skip-until-close-paren</a>/disp32 +<span id="L1769" class="LineNr">1769 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1770" class="LineNr">1770 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L1771" class="LineNr">1771 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 7, msg)</span> +<span id="L1772" class="LineNr">1772 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1773" class="LineNr">1773 </span> 68/push <span class="Constant">"F - test-skip-until-close-paren-works-from-mid-stream"</span>/imm32 +<span id="L1774" class="LineNr">1774 </span> 68/push 7/imm32 +<span id="L1775" class="LineNr">1775 </span> b8/copy-to-eax <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L1776" class="LineNr">1776 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(eax+4)</span> +<span id="L1777" class="LineNr">1777 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1778" class="LineNr">1778 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1779" class="LineNr">1779 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1780" class="LineNr">1780 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1781" class="LineNr">1781 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1782" class="LineNr">1782 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1783" class="LineNr">1783 </span> 5d/pop-to-ebp +<span id="L1784" class="LineNr">1784 </span> c3/return +<span id="L1785" class="LineNr">1785 </span> +<span id="L1786" class="LineNr">1786 </span><span class="subxFunction">skip-until-close-paren-in-slice</span>: <span class="subxComment"># curr: (addr byte), end: (addr byte) -> curr/eax: (addr byte)</span> +<span id="L1787" class="LineNr">1787 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1788" class="LineNr">1788 </span> 55/push-ebp +<span id="L1789" class="LineNr">1789 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1790" class="LineNr">1790 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L1791" class="LineNr">1791 </span> 51/push-ecx +<span id="L1792" class="LineNr">1792 </span> 52/push-edx +<span id="L1793" class="LineNr">1793 </span> <span class="subxComment"># ecx = curr</span> +<span id="L1794" class="LineNr">1794 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span> +<span id="L1795" class="LineNr">1795 </span> <span class="subxComment"># edx = end</span> +<span id="L1796" class="LineNr">1796 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edx</span> +<span id="L1797" class="LineNr">1797 </span> <span class="subxComment"># var c/eax: byte = 0</span> +<span id="L1798" class="LineNr">1798 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L1799" class="LineNr">1799 </span> <span class="subxComment"># skip initial dquote</span> +<span id="L1800" class="LineNr">1800 </span> 41/increment-ecx +<span id="L1801" class="LineNr">1801 </span><span class="Constant">$skip-until-close-paren-in-slice:loop</span>: +<span id="L1802" class="LineNr">1802 </span> <span class="subxComment"># if (curr >= end) break</span> +<span id="L1803" class="LineNr">1803 </span> 39/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with edx</span> +<span id="L1804" class="LineNr">1804 </span> 73/jump-if-addr>= $skip-until-close-paren-in-slice:<span class="Constant">break</span>/disp8 +<span id="L1805" class="LineNr">1805 </span> <span class="subxComment"># c = *curr</span> +<span id="L1806" class="LineNr">1806 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ecx to AL</span> +<span id="L1807" class="LineNr">1807 </span><span class="Constant">$skip-until-close-paren-in-slice:check-close</span>: +<span id="L1808" class="LineNr">1808 </span> <span class="subxComment"># if (c == ')') break</span> +<span id="L1809" class="LineNr">1809 </span> 3d/compare-eax-and 0x29/imm32/close-paren +<span id="L1810" class="LineNr">1810 </span> 74/jump-if-= $skip-until-close-paren-in-slice:<span class="Constant">break</span>/disp8 +<span id="L1811" class="LineNr">1811 </span> <span class="subxComment"># ++curr</span> +<span id="L1812" class="LineNr">1812 </span> 41/increment-ecx +<span id="L1813" class="LineNr">1813 </span> eb/jump $skip-until-close-paren-in-slice:<span class="Constant">loop</span>/disp8 +<span id="L1814" class="LineNr">1814 </span><span class="Constant">$skip-until-close-paren-in-slice:break</span>: +<span id="L1815" class="LineNr">1815 </span> <span class="subxComment"># return curr</span> +<span id="L1816" class="LineNr">1816 </span> 89/copy 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ecx to eax</span> +<span id="L1817" class="LineNr">1817 </span><span class="Constant">$skip-until-close-paren-in-slice:end</span>: +<span id="L1818" class="LineNr">1818 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L1819" class="LineNr">1819 </span> 5a/pop-to-edx +<span id="L1820" class="LineNr">1820 </span> 59/pop-to-ecx +<span id="L1821" class="LineNr">1821 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1822" class="LineNr">1822 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1823" class="LineNr">1823 </span> 5d/pop-to-ebp +<span id="L1824" class="LineNr">1824 </span> c3/return +<span id="L1825" class="LineNr">1825 </span> +<span id="L1826" class="LineNr">1826 </span><span class="subxTest">test-skip-until-close-paren-in-slice</span>: +<span id="L1827" class="LineNr">1827 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1828" class="LineNr">1828 </span> 55/push-ebp +<span id="L1829" class="LineNr">1829 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1830" class="LineNr">1830 </span> <span class="subxComment"># setup: (eax..ecx) = "*(abc) def"</span> +<span id="L1831" class="LineNr">1831 </span> b8/copy-to-eax <span class="Constant">"*(abc) def"</span>/imm32 +<span id="L1832" class="LineNr">1832 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L1833" class="LineNr">1833 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L1834" class="LineNr">1834 </span> 05/add-to-eax 4/imm32 +<span id="L1835" class="LineNr">1835 </span> <span class="subxComment"># eax = skip-until-close-paren-in-slice(eax, ecx)</span> +<span id="L1836" class="LineNr">1836 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1837" class="LineNr">1837 </span> 51/push-ecx +<span id="L1838" class="LineNr">1838 </span> 50/push-eax +<span id="L1839" class="LineNr">1839 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1840" class="LineNr">1840 </span> e8/call <a href='124next-token.subx.html#L1786'>skip-until-close-paren-in-slice</a>/disp32 +<span id="L1841" class="LineNr">1841 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1842" class="LineNr">1842 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1843" class="LineNr">1843 </span> <span class="subxComment"># check-ints-equal(ecx-eax, 5, msg) # eax is at the ')'</span> +<span id="L1844" class="LineNr">1844 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1845" class="LineNr">1845 </span> 68/push <span class="Constant">"F - test-skip-until-close-paren-in-slice"</span>/imm32 +<span id="L1846" class="LineNr">1846 </span> 68/push 5/imm32 +<span id="L1847" class="LineNr">1847 </span> <span class="subxS2Comment"># . . push ecx-eax</span> +<span id="L1848" class="LineNr">1848 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L1849" class="LineNr">1849 </span> 51/push-ecx +<span id="L1850" class="LineNr">1850 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1851" class="LineNr">1851 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1852" class="LineNr">1852 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1853" class="LineNr">1853 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1854" class="LineNr">1854 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1855" class="LineNr">1855 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1856" class="LineNr">1856 </span> 5d/pop-to-ebp +<span id="L1857" class="LineNr">1857 </span> c3/return +<span id="L1858" class="LineNr">1858 </span> +<span id="L1859" class="LineNr">1859 </span><span class="subxTest">test-skip-until-close-paren-in-slice-ignores-spaces</span>: +<span id="L1860" class="LineNr">1860 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1861" class="LineNr">1861 </span> 55/push-ebp +<span id="L1862" class="LineNr">1862 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1863" class="LineNr">1863 </span> <span class="subxComment"># setup: (eax..ecx) = "*(a b)/yz"</span> +<span id="L1864" class="LineNr">1864 </span> b8/copy-to-eax <span class="Constant">"*(a b)/yz"</span>/imm32 +<span id="L1865" class="LineNr">1865 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L1866" class="LineNr">1866 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L1867" class="LineNr">1867 </span> 05/add-to-eax 4/imm32 +<span id="L1868" class="LineNr">1868 </span> <span class="subxComment"># eax = skip-until-close-paren-in-slice(eax, ecx)</span> +<span id="L1869" class="LineNr">1869 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1870" class="LineNr">1870 </span> 51/push-ecx +<span id="L1871" class="LineNr">1871 </span> 50/push-eax +<span id="L1872" class="LineNr">1872 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1873" class="LineNr">1873 </span> e8/call <a href='124next-token.subx.html#L1786'>skip-until-close-paren-in-slice</a>/disp32 +<span id="L1874" class="LineNr">1874 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1875" class="LineNr">1875 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1876" class="LineNr">1876 </span> <span class="subxComment"># check-ints-equal(ecx-eax, 4, msg) # eax is at the ')'</span> +<span id="L1877" class="LineNr">1877 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1878" class="LineNr">1878 </span> 68/push <span class="Constant">"F - test-skip-until-close-paren-in-slice-ignores-spaces"</span>/imm32 +<span id="L1879" class="LineNr">1879 </span> 68/push 4/imm32 +<span id="L1880" class="LineNr">1880 </span> <span class="subxS2Comment"># . . push ecx-eax</span> +<span id="L1881" class="LineNr">1881 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L1882" class="LineNr">1882 </span> 51/push-ecx +<span id="L1883" class="LineNr">1883 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1884" class="LineNr">1884 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1885" class="LineNr">1885 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1886" class="LineNr">1886 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1887" class="LineNr">1887 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1888" class="LineNr">1888 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1889" class="LineNr">1889 </span> 5d/pop-to-ebp +<span id="L1890" class="LineNr">1890 </span> c3/return +<span id="L1891" class="LineNr">1891 </span> +<span id="L1892" class="LineNr">1892 </span><span class="subxTest">test-skip-until-close-paren-in-slice-stops-at-end</span>: +<span id="L1893" class="LineNr">1893 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L1894" class="LineNr">1894 </span> 55/push-ebp +<span id="L1895" class="LineNr">1895 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L1896" class="LineNr">1896 </span> <span class="subxComment"># setup: (eax..ecx) = "*(abc" # unbalanced dquote</span> +<span id="L1897" class="LineNr">1897 </span> b8/copy-to-eax <span class="Constant">"*(abc"</span>/imm32 +<span id="L1898" class="LineNr">1898 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to ecx</span> +<span id="L1899" class="LineNr">1899 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+4 to ecx</span> +<span id="L1900" class="LineNr">1900 </span> 05/add-to-eax 4/imm32 +<span id="L1901" class="LineNr">1901 </span> <span class="subxComment"># eax = skip-until-close-paren-in-slice(eax, ecx)</span> +<span id="L1902" class="LineNr">1902 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1903" class="LineNr">1903 </span> 51/push-ecx +<span id="L1904" class="LineNr">1904 </span> 50/push-eax +<span id="L1905" class="LineNr">1905 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1906" class="LineNr">1906 </span> e8/call <a href='124next-token.subx.html#L1786'>skip-until-close-paren-in-slice</a>/disp32 +<span id="L1907" class="LineNr">1907 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1908" class="LineNr">1908 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L1909" class="LineNr">1909 </span> <span class="subxComment"># check-ints-equal(ecx-eax, 0, msg) # skipped to end of slice</span> +<span id="L1910" class="LineNr">1910 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1911" class="LineNr">1911 </span> 68/push <span class="Constant">"F - test-skip-until-close-paren-in-slice-stops-at-end"</span>/imm32 +<span id="L1912" class="LineNr">1912 </span> 68/push 0/imm32 +<span id="L1913" class="LineNr">1913 </span> <span class="subxS2Comment"># . . push ecx-eax</span> +<span id="L1914" class="LineNr">1914 </span> 29/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from ecx</span> +<span id="L1915" class="LineNr">1915 </span> 51/push-ecx +<span id="L1916" class="LineNr">1916 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1917" class="LineNr">1917 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L1918" class="LineNr">1918 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1919" class="LineNr">1919 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L1920" class="LineNr">1920 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L1921" class="LineNr">1921 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L1922" class="LineNr">1922 </span> 5d/pop-to-ebp +<span id="L1923" class="LineNr">1923 </span> c3/return +<span id="L1924" class="LineNr">1924 </span> +<span id="L1925" class="LineNr">1925 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> diff --git a/html/baremetal/126write-int-decimal.subx.html b/html/baremetal/126write-int-decimal.subx.html new file mode 100644 index 00000000..e1c786ea --- /dev/null +++ b/html/baremetal/126write-int-decimal.subx.html @@ -0,0 +1,468 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - baremetal/126write-int-decimal.subx</title> +<meta name="Generator" content="Vim/8.1"> +<meta name="plugin-version" content="vim8.1_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="number_lines,use_css,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.subxH1Comment { color: #005faf; text-decoration: underline; } +.subxComment { color: #005faf; } +.subxS1Comment { color: #0000af; } +.subxS2Comment { color: #8a8a8a; } +.LineNr { } +.Constant { color: #008787; } +.subxTest { color: #5f8700; } +.subxFunction { color: #af5f00; text-decoration: underline; } +.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } +.Folded { color: #080808; background-color: #949494; } +--> +</style> + +<script type='text/javascript'> +<!-- + +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + var lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + +--> +</script> +</head> +<body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/main/baremetal/126write-int-decimal.subx'>https://github.com/akkartik/mu/blob/main/baremetal/126write-int-decimal.subx</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Helper to print an int32 in decimal.</span> +<span id="L2" class="LineNr"> 2 </span> +<span id="L3" class="LineNr"> 3 </span>== code +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># instruction effective address register displacement immediate</span> +<span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> +<span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L7" class="LineNr"> 7 </span> +<span id="L8" class="LineNr"> 8 </span><span class="subxFunction">write-int32-decimal</span>: <span class="subxComment"># out: (addr stream byte), n: int</span> +<span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># works by generating characters from lowest to highest and pushing them</span> +<span id="L10" class="LineNr"> 10 </span> <span class="subxComment"># to the stack, before popping them one by one into the stream</span> +<span id="L11" class="LineNr"> 11 </span> <span class="subxComment">#</span> +<span id="L12" class="LineNr"> 12 </span> <span class="subxComment"># pseudocode:</span> +<span id="L13" class="LineNr"> 13 </span> <span class="subxComment"># push sentinel</span> +<span id="L14" class="LineNr"> 14 </span> <span class="subxComment"># eax = abs(n)</span> +<span id="L15" class="LineNr"> 15 </span> <span class="subxComment"># while true</span> +<span id="L16" class="LineNr"> 16 </span> <span class="subxComment"># sign-extend eax into edx</span> +<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># eax, edx = eax/10, eax%10</span> +<span id="L18" class="LineNr"> 18 </span> <span class="subxComment"># edx += '0'</span> +<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># push edx</span> +<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># if (eax == 0) break</span> +<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># if n < 0</span> +<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># push '-'</span> +<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># w = out->write</span> +<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># curr = &out->data[out->write]</span> +<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># max = &out->data[out->size]</span> +<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># while true</span> +<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># pop into eax</span> +<span id="L28" class="LineNr"> 28 </span> <span class="subxComment"># if (eax == sentinel) break</span> +<span id="L29" class="LineNr"> 29 </span> <span class="subxComment"># if (curr >= max) abort</span> +<span id="L30" class="LineNr"> 30 </span> <span class="subxComment"># *curr = AL</span> +<span id="L31" class="LineNr"> 31 </span> <span class="subxComment"># ++curr</span> +<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># ++w</span> +<span id="L33" class="LineNr"> 33 </span> <span class="subxComment"># out->write = w</span> +<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># (based on K&R itoa: <a href="https://en.wikibooks.org/wiki/C_Programming/stdlib.h/itoa)">https://en.wikibooks.org/wiki/C_Programming/stdlib.h/itoa)</a></span> +<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># (this pseudocode contains registers because operations like division</span> +<span id="L36" class="LineNr"> 36 </span> <span class="subxComment"># require specific registers in x86)</span> +<span id="L37" class="LineNr"> 37 </span> <span class="subxComment">#</span> +<span id="L38" class="LineNr"> 38 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L39" class="LineNr"> 39 </span> 55/push-ebp +<span id="L40" class="LineNr"> 40 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L41" class="LineNr"> 41 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L42" class="LineNr"> 42 </span> 50/push-eax +<span id="L43" class="LineNr"> 43 </span> 51/push-ecx +<span id="L44" class="LineNr"> 44 </span> 52/push-edx +<span id="L45" class="LineNr"> 45 </span> 53/push-ebx +<span id="L46" class="LineNr"> 46 </span> 57/push-edi +<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># const ten/ecx = 10</span> +<span id="L48" class="LineNr"> 48 </span> b9/copy-to-ecx 0xa/imm32 +<span id="L49" class="LineNr"> 49 </span> <span class="subxComment"># push sentinel</span> +<span id="L50" class="LineNr"> 50 </span> 68/push 0/imm32/sentinel +<span id="L51" class="LineNr"> 51 </span> <span class="subxComment"># var eax: int = abs(n)</span> +<span id="L52" class="LineNr"> 52 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to eax</span> +<span id="L53" class="LineNr"> 53 </span> 3d/compare-eax-with 0/imm32 +<span id="L54" class="LineNr"> 54 </span> 7d/jump-if->= $write-int32-decimal:read-loop/disp8 +<span id="L55" class="LineNr"> 55 </span><span class="Constant">$write-int32-decimal:negative</span>: +<span id="L56" class="LineNr"> 56 </span> f7 3/subop/negate 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># negate eax</span> +<span id="L57" class="LineNr"> 57 </span><span class="Constant">$write-int32-decimal:read-loop</span>: +<span id="L58" class="LineNr"> 58 </span> <span class="subxComment"># eax, edx = eax / 10, eax % 10</span> +<span id="L59" class="LineNr"> 59 </span> 99/sign-extend-eax-into-edx +<span id="L60" class="LineNr"> 60 </span> f7 7/subop/idiv 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># divide edx:eax by ecx, storing quotient in eax and remainder in edx</span> +<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># edx += '0'</span> +<span id="L62" class="LineNr"> 62 </span> 81 0/subop/add 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x30/imm32 <span class="subxComment"># add to edx</span> +<span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># push edx</span> +<span id="L64" class="LineNr"> 64 </span> 52/push-edx +<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># if (eax == 0) break</span> +<span id="L66" class="LineNr"> 66 </span> 3d/compare-eax-and 0/imm32 +<span id="L67" class="LineNr"> 67 </span> 7f/jump-if-> $write-int32-decimal:read-loop/disp8 +<span id="L68" class="LineNr"> 68 </span><span class="Constant">$write-int32-decimal:read-break</span>: +<span id="L69" class="LineNr"> 69 </span> <span class="subxComment"># if (n < 0) push('-')</span> +<span id="L70" class="LineNr"> 70 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 0/imm32 <span class="subxComment"># compare *(ebp+12)</span> +<span id="L71" class="LineNr"> 71 </span> 7d/jump-if->= $write-int32-decimal:<a href='108write.subx.html#L11'>write</a>/disp8 +<span id="L72" class="LineNr"> 72 </span><span class="Constant">$write-int32-decimal:push-negative</span>: +<span id="L73" class="LineNr"> 73 </span> 68/push 0x2d/imm32/- +<span id="L74" class="LineNr"> 74 </span><span class="Constant">$write-int32-decimal:<a href='108write.subx.html#L11'>write</a></span>: +<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># edi = out</span> +<span id="L76" class="LineNr"> 76 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span> +<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># var w/edx: int = out->write</span> +<span id="L78" class="LineNr"> 78 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to edx</span> +<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># var curr/ecx: (addr byte) = &out->data[out->write]</span> +<span id="L80" class="LineNr"> 80 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/edi 2/index/edx <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ebx+edx+12 to ecx</span> +<span id="L81" class="LineNr"> 81 </span> <span class="subxComment"># var max/ebx: (addr byte) = &out->data[out->size]</span> +<span id="L82" class="LineNr"> 82 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+8) to ebx</span> +<span id="L83" class="LineNr"> 83 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/edi 3/index/ebx <span class="Normal"> . </span> 3/r32/ebx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy edi+ebx+12 to ebx</span> +<span id="L84" class="LineNr"> 84 </span><span class="Constant">$write-int32-decimal:write-loop</span>: +<span id="L85" class="LineNr"> 85 </span> <span class="subxComment"># pop into eax</span> +<span id="L86" class="LineNr"> 86 </span> 58/pop-to-eax +<span id="L87" class="LineNr"> 87 </span> <span class="subxComment"># if (eax == sentinel) break</span> +<span id="L88" class="LineNr"> 88 </span> 3d/compare-eax-and 0/imm32/sentinel +<span id="L89" class="LineNr"> 89 </span> 74/jump-if-= $write-int32-decimal:write-break/disp8 +<span id="L90" class="LineNr"> 90 </span> <span class="subxComment"># if (curr >= max) abort</span> +<span id="L91" class="LineNr"> 91 </span> 39/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with ebx</span> +<span id="L92" class="LineNr"> 92 </span> 73/jump-if-addr>= $write-int32-decimal:abort/disp8 +<span id="L93" class="LineNr"> 93 </span><span class="Constant">$write-int32-decimal:write-char</span>: +<span id="L94" class="LineNr"> 94 </span> <span class="subxComment"># *curr = AL</span> +<span id="L95" class="LineNr"> 95 </span> 88/copy-byte 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy AL to byte at *ecx</span> +<span id="L96" class="LineNr"> 96 </span> <span class="subxComment"># ++curr</span> +<span id="L97" class="LineNr"> 97 </span> 41/increment-ecx +<span id="L98" class="LineNr"> 98 </span> <span class="subxComment"># ++w</span> +<span id="L99" class="LineNr"> 99 </span> 42/increment-edx +<span id="L100" class="LineNr">100 </span> eb/jump $write-int32-decimal:write-loop/disp8 +<span id="L101" class="LineNr">101 </span><span class="Constant">$write-int32-decimal:write-break</span>: +<span id="L102" class="LineNr">102 </span> <span class="subxComment"># out->write = w</span> +<span id="L103" class="LineNr">103 </span> 89/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy edx to *edi</span> +<span id="L104" class="LineNr">104 </span><span class="Constant">$write-int32-decimal:end</span>: +<span id="L105" class="LineNr">105 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L106" class="LineNr">106 </span> 5f/pop-to-edi +<span id="L107" class="LineNr">107 </span> 5b/pop-to-ebx +<span id="L108" class="LineNr">108 </span> 5a/pop-to-edx +<span id="L109" class="LineNr">109 </span> 59/pop-to-ecx +<span id="L110" class="LineNr">110 </span> 58/pop-to-eax +<span id="L111" class="LineNr">111 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L112" class="LineNr">112 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L113" class="LineNr">113 </span> 5d/pop-to-ebp +<span id="L114" class="LineNr">114 </span> c3/return +<span id="L115" class="LineNr">115 </span> +<span id="L116" class="LineNr">116 </span><span class="Constant">$write-int32-decimal:abort</span>: +<span id="L117" class="LineNr">117 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"write-int32-decimal: stream out of space"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L118" class="LineNr">118 </span> { +<span id="L119" class="LineNr">119 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L120" class="LineNr">120 </span> } +<span id="L121" class="LineNr">121 </span> <span class="subxComment"># never gets here</span> +<span id="L122" class="LineNr">122 </span> +<span id="L123" class="LineNr">123 </span><span class="subxTest">test-write-int32-decimal</span>: +<span id="L124" class="LineNr">124 </span> <span class="subxH1Comment"># - check that a single-digit number converts correctly</span> +<span id="L125" class="LineNr">125 </span> <span class="subxComment"># setup</span> +<span id="L126" class="LineNr">126 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L127" class="LineNr">127 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L128" class="LineNr">128 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L129" class="LineNr">129 </span> <span class="subxS2Comment"># . . call</span> +<span id="L130" class="LineNr">130 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L131" class="LineNr">131 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L132" class="LineNr">132 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L133" class="LineNr">133 </span> <span class="subxComment"># write-int32-decimal(_test-stream, 9)</span> +<span id="L134" class="LineNr">134 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L135" class="LineNr">135 </span> 68/push 9/imm32 +<span id="L136" class="LineNr">136 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . call</span> +<span id="L138" class="LineNr">138 </span> e8/call <a href='126write-int-decimal.subx.html#L8'>write-int32-decimal</a>/disp32 +<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L140" class="LineNr">140 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L141" class="LineNr">141 </span> <span class="subxComment"># check-stream-equal(_test-stream, "9", msg)</span> +<span id="L142" class="LineNr">142 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L143" class="LineNr">143 </span> 68/push <span class="Constant">"F - test-write-int32-decimal"</span>/imm32 +<span id="L144" class="LineNr">144 </span> 68/push <span class="Constant">"9"</span>/imm32 +<span id="L145" class="LineNr">145 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L146" class="LineNr">146 </span> <span class="subxS2Comment"># . . call</span> +<span id="L147" class="LineNr">147 </span> e8/call <a href='109stream-equal.subx.html#L197'>check-stream-equal</a>/disp32 +<span id="L148" class="LineNr">148 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L149" class="LineNr">149 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L150" class="LineNr">150 </span> <span class="subxS1Comment"># . end</span> +<span id="L151" class="LineNr">151 </span> c3/return +<span id="L152" class="LineNr">152 </span> +<span id="L153" class="LineNr">153 </span><span class="subxTest">test-write-int32-decimal-zero</span>: +<span id="L154" class="LineNr">154 </span> <span class="subxH1Comment"># - check that 0 converts correctly</span> +<span id="L155" class="LineNr">155 </span> <span class="subxComment"># setup</span> +<span id="L156" class="LineNr">156 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L158" class="LineNr">158 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L159" class="LineNr">159 </span> <span class="subxS2Comment"># . . call</span> +<span id="L160" class="LineNr">160 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L161" class="LineNr">161 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L162" class="LineNr">162 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L163" class="LineNr">163 </span> <span class="subxComment"># write-int32-decimal(_test-stream, 0)</span> +<span id="L164" class="LineNr">164 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L165" class="LineNr">165 </span> 68/push 0/imm32 +<span id="L166" class="LineNr">166 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L167" class="LineNr">167 </span> <span class="subxS2Comment"># . . call</span> +<span id="L168" class="LineNr">168 </span> e8/call <a href='126write-int-decimal.subx.html#L8'>write-int32-decimal</a>/disp32 +<span id="L169" class="LineNr">169 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L170" class="LineNr">170 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L171" class="LineNr">171 </span> <span class="subxComment"># check-stream-equal(_test-stream, "0", msg)</span> +<span id="L172" class="LineNr">172 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L173" class="LineNr">173 </span> 68/push <span class="Constant">"F - test-write-int32-decimal-zero"</span>/imm32 +<span id="L174" class="LineNr">174 </span> 68/push <span class="Constant">"0"</span>/imm32 +<span id="L175" class="LineNr">175 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . call</span> +<span id="L177" class="LineNr">177 </span> e8/call <a href='109stream-equal.subx.html#L197'>check-stream-equal</a>/disp32 +<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L179" class="LineNr">179 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L180" class="LineNr">180 </span> <span class="subxS1Comment"># . end</span> +<span id="L181" class="LineNr">181 </span> c3/return +<span id="L182" class="LineNr">182 </span> +<span id="L183" class="LineNr">183 </span><span class="subxTest">test-write-int32-decimal-multiple-digits</span>: +<span id="L184" class="LineNr">184 </span> <span class="subxH1Comment"># - check that a multi-digit number converts correctly</span> +<span id="L185" class="LineNr">185 </span> <span class="subxComment"># setup</span> +<span id="L186" class="LineNr">186 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L188" class="LineNr">188 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L189" class="LineNr">189 </span> <span class="subxS2Comment"># . . call</span> +<span id="L190" class="LineNr">190 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L191" class="LineNr">191 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L192" class="LineNr">192 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L193" class="LineNr">193 </span> <span class="subxComment"># write-int32-decimal(_test-stream, 10)</span> +<span id="L194" class="LineNr">194 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L195" class="LineNr">195 </span> 68/push 0xa/imm32 +<span id="L196" class="LineNr">196 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L197" class="LineNr">197 </span> <span class="subxS2Comment"># . . call</span> +<span id="L198" class="LineNr">198 </span> e8/call <a href='126write-int-decimal.subx.html#L8'>write-int32-decimal</a>/disp32 +<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L200" class="LineNr">200 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L201" class="LineNr">201 </span> <span class="subxComment"># check-stream-equal(_test-stream, "10", msg)</span> +<span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L203" class="LineNr">203 </span> 68/push <span class="Constant">"F - test-write-int32-decimal-multiple-digits"</span>/imm32 +<span id="L204" class="LineNr">204 </span> 68/push <span class="Constant">"10"</span>/imm32 +<span id="L205" class="LineNr">205 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L206" class="LineNr">206 </span> <span class="subxS2Comment"># . . call</span> +<span id="L207" class="LineNr">207 </span> e8/call <a href='109stream-equal.subx.html#L197'>check-stream-equal</a>/disp32 +<span id="L208" class="LineNr">208 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L209" class="LineNr">209 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L210" class="LineNr">210 </span> <span class="subxS1Comment"># . end</span> +<span id="L211" class="LineNr">211 </span> c3/return +<span id="L212" class="LineNr">212 </span> +<span id="L213" class="LineNr">213 </span><span class="subxTest">test-write-int32-decimal-negative</span>: +<span id="L214" class="LineNr">214 </span> <span class="subxH1Comment"># - check that a negative single-digit number converts correctly</span> +<span id="L215" class="LineNr">215 </span> <span class="subxComment"># setup</span> +<span id="L216" class="LineNr">216 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L217" class="LineNr">217 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L218" class="LineNr">218 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L219" class="LineNr">219 </span> <span class="subxS2Comment"># . . call</span> +<span id="L220" class="LineNr">220 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L221" class="LineNr">221 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L222" class="LineNr">222 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L223" class="LineNr">223 </span> <span class="subxComment"># write-int32-decimal(_test-stream, -9)</span> +<span id="L224" class="LineNr">224 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L225" class="LineNr">225 </span> 68/push -9/imm32 +<span id="L226" class="LineNr">226 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L227" class="LineNr">227 </span> <span class="subxS2Comment"># . . call</span> +<span id="L228" class="LineNr">228 </span> e8/call <a href='126write-int-decimal.subx.html#L8'>write-int32-decimal</a>/disp32 +<span id="L229" class="LineNr">229 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L230" class="LineNr">230 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L231" class="Folded">231 </span><span class="Folded">+-- 26 lines: #? # dump _test-stream ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------</span> +<span id="L257" class="LineNr">257 </span> <span class="subxComment"># check-stream-equal(_test-stream, "-9", msg)</span> +<span id="L258" class="LineNr">258 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L259" class="LineNr">259 </span> 68/push <span class="Constant">"F - test-write-int32-decimal-negative"</span>/imm32 +<span id="L260" class="LineNr">260 </span> 68/push <span class="Constant">"-9"</span>/imm32 +<span id="L261" class="LineNr">261 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L262" class="LineNr">262 </span> <span class="subxS2Comment"># . . call</span> +<span id="L263" class="LineNr">263 </span> e8/call <a href='109stream-equal.subx.html#L197'>check-stream-equal</a>/disp32 +<span id="L264" class="LineNr">264 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L265" class="LineNr">265 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L266" class="LineNr">266 </span> <span class="subxS1Comment"># . end</span> +<span id="L267" class="LineNr">267 </span> c3/return +<span id="L268" class="LineNr">268 </span> +<span id="L269" class="LineNr">269 </span><span class="subxTest">test-write-int32-decimal-negative-multiple-digits</span>: +<span id="L270" class="LineNr">270 </span> <span class="subxH1Comment"># - check that a multi-digit number converts correctly</span> +<span id="L271" class="LineNr">271 </span> <span class="subxComment"># setup</span> +<span id="L272" class="LineNr">272 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L273" class="LineNr">273 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L274" class="LineNr">274 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L275" class="LineNr">275 </span> <span class="subxS2Comment"># . . call</span> +<span id="L276" class="LineNr">276 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L277" class="LineNr">277 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L278" class="LineNr">278 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L279" class="LineNr">279 </span> <span class="subxComment"># write-int32-decimal(_test-stream, -10)</span> +<span id="L280" class="LineNr">280 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L281" class="LineNr">281 </span> 68/push -0xa/imm32 +<span id="L282" class="LineNr">282 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L283" class="LineNr">283 </span> <span class="subxS2Comment"># . . call</span> +<span id="L284" class="LineNr">284 </span> e8/call <a href='126write-int-decimal.subx.html#L8'>write-int32-decimal</a>/disp32 +<span id="L285" class="LineNr">285 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L286" class="LineNr">286 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L287" class="LineNr">287 </span> <span class="subxComment"># check-stream-equal(_test-stream, "-10", msg)</span> +<span id="L288" class="LineNr">288 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L289" class="LineNr">289 </span> 68/push <span class="Constant">"F - test-write-int32-decimal-negative-multiple-digits"</span>/imm32 +<span id="L290" class="LineNr">290 </span> 68/push <span class="Constant">"-10"</span>/imm32 +<span id="L291" class="LineNr">291 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L292" class="LineNr">292 </span> <span class="subxS2Comment"># . . call</span> +<span id="L293" class="LineNr">293 </span> e8/call <a href='109stream-equal.subx.html#L197'>check-stream-equal</a>/disp32 +<span id="L294" class="LineNr">294 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L295" class="LineNr">295 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L296" class="LineNr">296 </span> <span class="subxS1Comment"># . end</span> +<span id="L297" class="LineNr">297 </span> c3/return +<span id="L298" class="LineNr">298 </span> +<span id="L299" class="LineNr">299 </span><span class="subxFunction">is-decimal-digit?</span>: <span class="subxComment"># c: grapheme -> result/eax: boolean</span> +<span id="L300" class="LineNr">300 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L301" class="LineNr">301 </span> 55/push-ebp +<span id="L302" class="LineNr">302 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L303" class="LineNr">303 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L304" class="LineNr">304 </span> 51/push-ecx +<span id="L305" class="LineNr">305 </span> <span class="subxComment"># ecx = c</span> +<span id="L306" class="LineNr">306 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span> +<span id="L307" class="LineNr">307 </span> <span class="subxComment"># result = false</span> +<span id="L308" class="LineNr">308 </span> b8/copy-to-eax 0/imm32/false +<span id="L309" class="LineNr">309 </span> <span class="subxComment"># return false if c < '0'</span> +<span id="L310" class="LineNr">310 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x30/imm32 <span class="subxComment"># compare ecx</span> +<span id="L311" class="LineNr">311 </span> 7c/jump-if-< $is-decimal-digit?:end/disp8 +<span id="L312" class="LineNr">312 </span> <span class="subxComment"># return (c <= '9')</span> +<span id="L313" class="LineNr">313 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x39/imm32 <span class="subxComment"># compare ecx</span> +<span id="L314" class="LineNr">314 </span> 7f/jump-if-> $is-decimal-digit?:end/disp8 +<span id="L315" class="LineNr">315 </span><span class="Constant">$is-decimal-digit?:true</span>: +<span id="L316" class="LineNr">316 </span> b8/copy-to-eax 1/imm32/true +<span id="L317" class="LineNr">317 </span><span class="Constant">$is-decimal-digit?:end</span>: +<span id="L318" class="LineNr">318 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L319" class="LineNr">319 </span> 59/pop-to-ecx +<span id="L320" class="LineNr">320 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L321" class="LineNr">321 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L322" class="LineNr">322 </span> 5d/pop-to-ebp +<span id="L323" class="LineNr">323 </span> c3/return +<span id="L324" class="LineNr">324 </span> +<span id="L325" class="LineNr">325 </span><span class="subxTest">test-is-decimal-digit-below-0</span>: +<span id="L326" class="LineNr">326 </span> <span class="subxComment"># eax = is-decimal-digit?(0x2f)</span> +<span id="L327" class="LineNr">327 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L328" class="LineNr">328 </span> 68/push 0x2f/imm32 +<span id="L329" class="LineNr">329 </span> <span class="subxS2Comment"># . . call</span> +<span id="L330" class="LineNr">330 </span> e8/call <a href='126write-int-decimal.subx.html#L299'>is-decimal-digit?</a>/disp32 +<span id="L331" class="LineNr">331 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L332" class="LineNr">332 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L333" class="LineNr">333 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L334" class="LineNr">334 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L335" class="LineNr">335 </span> 68/push <span class="Constant">"F - test-is-decimal-digit-below-0"</span>/imm32 +<span id="L336" class="LineNr">336 </span> 68/push 0/imm32/false +<span id="L337" class="LineNr">337 </span> 50/push-eax +<span id="L338" class="LineNr">338 </span> <span class="subxS2Comment"># . . call</span> +<span id="L339" class="LineNr">339 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L340" class="LineNr">340 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L341" class="LineNr">341 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L342" class="LineNr">342 </span> c3/return +<span id="L343" class="LineNr">343 </span> +<span id="L344" class="LineNr">344 </span><span class="subxTest">test-is-decimal-digit-0-to-9</span>: +<span id="L345" class="LineNr">345 </span> <span class="subxComment"># eax = is-decimal-digit?(0x30)</span> +<span id="L346" class="LineNr">346 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L347" class="LineNr">347 </span> 68/push 0x30/imm32 +<span id="L348" class="LineNr">348 </span> <span class="subxS2Comment"># . . call</span> +<span id="L349" class="LineNr">349 </span> e8/call <a href='126write-int-decimal.subx.html#L299'>is-decimal-digit?</a>/disp32 +<span id="L350" class="LineNr">350 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L351" class="LineNr">351 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L352" class="LineNr">352 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L353" class="LineNr">353 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L354" class="LineNr">354 </span> 68/push <span class="Constant">"F - test-is-decimal-digit-at-0"</span>/imm32 +<span id="L355" class="LineNr">355 </span> 68/push 1/imm32/true +<span id="L356" class="LineNr">356 </span> 50/push-eax +<span id="L357" class="LineNr">357 </span> <span class="subxS2Comment"># . . call</span> +<span id="L358" class="LineNr">358 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L359" class="LineNr">359 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L360" class="LineNr">360 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L361" class="LineNr">361 </span> <span class="subxComment"># eax = is-decimal-digit?(0x39)</span> +<span id="L362" class="LineNr">362 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L363" class="LineNr">363 </span> 68/push 0x39/imm32 +<span id="L364" class="LineNr">364 </span> <span class="subxS2Comment"># . . call</span> +<span id="L365" class="LineNr">365 </span> e8/call <a href='126write-int-decimal.subx.html#L299'>is-decimal-digit?</a>/disp32 +<span id="L366" class="LineNr">366 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L367" class="LineNr">367 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L368" class="LineNr">368 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L369" class="LineNr">369 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L370" class="LineNr">370 </span> 68/push <span class="Constant">"F - test-is-decimal-digit-at-9"</span>/imm32 +<span id="L371" class="LineNr">371 </span> 68/push 1/imm32/true +<span id="L372" class="LineNr">372 </span> 50/push-eax +<span id="L373" class="LineNr">373 </span> <span class="subxS2Comment"># . . call</span> +<span id="L374" class="LineNr">374 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L375" class="LineNr">375 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L376" class="LineNr">376 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L377" class="LineNr">377 </span> c3/return +<span id="L378" class="LineNr">378 </span> +<span id="L379" class="LineNr">379 </span><span class="subxTest">test-is-decimal-digit-above-9</span>: +<span id="L380" class="LineNr">380 </span> <span class="subxComment"># eax = is-decimal-digit?(0x3a)</span> +<span id="L381" class="LineNr">381 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L382" class="LineNr">382 </span> 68/push 0x3a/imm32 +<span id="L383" class="LineNr">383 </span> <span class="subxS2Comment"># . . call</span> +<span id="L384" class="LineNr">384 </span> e8/call <a href='126write-int-decimal.subx.html#L299'>is-decimal-digit?</a>/disp32 +<span id="L385" class="LineNr">385 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L386" class="LineNr">386 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L387" class="LineNr">387 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L388" class="LineNr">388 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L389" class="LineNr">389 </span> 68/push <span class="Constant">"F - test-is-decimal-digit-above-9"</span>/imm32 +<span id="L390" class="LineNr">390 </span> 68/push 0/imm32/false +<span id="L391" class="LineNr">391 </span> 50/push-eax +<span id="L392" class="LineNr">392 </span> <span class="subxS2Comment"># . . call</span> +<span id="L393" class="LineNr">393 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L394" class="LineNr">394 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L395" class="LineNr">395 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L396" class="LineNr">396 </span> c3/return +<span id="L397" class="LineNr">397 </span> +<span id="L398" class="LineNr">398 </span><span class="subxFunction">to-decimal-digit</span>: <span class="subxComment"># in: grapheme -> out/eax: int</span> +<span id="L399" class="LineNr">399 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L400" class="LineNr">400 </span> 55/push-ebp +<span id="L401" class="LineNr">401 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L402" class="LineNr">402 </span> <span class="subxComment"># eax = in</span> +<span id="L403" class="LineNr">403 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span> +<span id="L404" class="LineNr">404 </span><span class="Constant">$to-decimal-digit:check0</span>: +<span id="L405" class="LineNr">405 </span> <span class="subxComment"># if (eax < '0') goto abort</span> +<span id="L406" class="LineNr">406 </span> 3d/compare-eax-with 0x30/imm32/0 +<span id="L407" class="LineNr">407 </span> 7c/jump-if-< $to-decimal-digit:abort/disp8 +<span id="L408" class="LineNr">408 </span><span class="Constant">$to-decimal-digit:check1</span>: +<span id="L409" class="LineNr">409 </span> <span class="subxComment"># if (eax > '9') goto abort</span> +<span id="L410" class="LineNr">410 </span> 3d/compare-eax-with 0x39/imm32/f +<span id="L411" class="LineNr">411 </span> 7f/jump-if-> $to-decimal-digit:abort/disp8 +<span id="L412" class="LineNr">412 </span><span class="Constant">$to-decimal-digit:digit</span>: +<span id="L413" class="LineNr">413 </span> <span class="subxComment"># return eax - '0'</span> +<span id="L414" class="LineNr">414 </span> 2d/subtract-from-eax 0x30/imm32/0 +<span id="L415" class="LineNr">415 </span><span class="Constant">$to-decimal-digit:end</span>: +<span id="L416" class="LineNr">416 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L417" class="LineNr">417 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L418" class="LineNr">418 </span> 5d/pop-to-ebp +<span id="L419" class="LineNr">419 </span> c3/return +<span id="L420" class="LineNr">420 </span> +<span id="L421" class="LineNr">421 </span><span class="Constant">$to-decimal-digit:abort</span>: +<span id="L422" class="LineNr">422 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"to-decimal-digit: not a digit character"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L423" class="LineNr">423 </span> { +<span id="L424" class="LineNr">424 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L425" class="LineNr">425 </span> } +<span id="L426" class="LineNr">426 </span> <span class="subxComment"># never gets here</span> +<span id="L427" class="LineNr">427 </span> +<span id="L428" class="LineNr">428 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> diff --git a/html/baremetal/127next-word.subx.html b/html/baremetal/127next-word.subx.html new file mode 100644 index 00000000..48602939 --- /dev/null +++ b/html/baremetal/127next-word.subx.html @@ -0,0 +1,425 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - baremetal/127next-word.subx</title> +<meta name="Generator" content="Vim/8.1"> +<meta name="plugin-version" content="vim8.1_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.subxComment { color: #005faf; } +.subxS1Comment { color: #0000af; } +.subxS2Comment { color: #8a8a8a; } +.LineNr { } +.Constant { color: #008787; } +.subxTest { color: #5f8700; } +.subxFunction { color: #af5f00; text-decoration: underline; } +.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } +--> +</style> + +<script type='text/javascript'> +<!-- + +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + var lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + +--> +</script> +</head> +<body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/main/baremetal/127next-word.subx'>https://github.com/akkartik/mu/blob/main/baremetal/127next-word.subx</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Tokenize by whitespace.</span> +<span id="L2" class="LineNr"> 2 </span> +<span id="L3" class="LineNr"> 3 </span>== code +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># instruction effective address register displacement immediate</span> +<span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> +<span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L7" class="LineNr"> 7 </span> +<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># (re)compute the bounds of the next word in the line (surrounded by whitespace,</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># treating '#' comments as a single word)</span> +<span id="L10" class="LineNr"> 10 </span><span class="subxComment"># return empty string on reaching end of file</span> +<span id="L11" class="LineNr"> 11 </span><span class="subxFunction">next-word</span>: <span class="subxComment"># line: (addr stream byte), out: (addr slice)</span> +<span id="L12" class="LineNr"> 12 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L13" class="LineNr"> 13 </span> 55/push-ebp +<span id="L14" class="LineNr"> 14 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L15" class="LineNr"> 15 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L16" class="LineNr"> 16 </span> 50/push-eax +<span id="L17" class="LineNr"> 17 </span> 51/push-ecx +<span id="L18" class="LineNr"> 18 </span> 56/push-esi +<span id="L19" class="LineNr"> 19 </span> 57/push-edi +<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># esi = line</span> +<span id="L21" class="LineNr"> 21 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># edi = out</span> +<span id="L23" class="LineNr"> 23 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edi</span> +<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># skip-chars-matching-whitespace(line)</span> +<span id="L25" class="LineNr"> 25 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L26" class="LineNr"> 26 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L27" class="LineNr"> 27 </span> <span class="subxS2Comment"># . . call</span> +<span id="L28" class="LineNr"> 28 </span> e8/call <a href='124next-token.subx.html#L464'>skip-chars-matching-whitespace</a>/disp32 +<span id="L29" class="LineNr"> 29 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L30" class="LineNr"> 30 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L31" class="LineNr"> 31 </span><span class="Constant">$next-word:check0</span>: +<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># if (line->read >= line->write) clear out and return</span> +<span id="L33" class="LineNr"> 33 </span> <span class="subxS1Comment"># . eax = line->read</span> +<span id="L34" class="LineNr"> 34 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to eax</span> +<span id="L35" class="LineNr"> 35 </span> <span class="subxS1Comment"># . if (eax < line->write) goto next check</span> +<span id="L36" class="LineNr"> 36 </span> 3b/compare 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax with *esi</span> +<span id="L37" class="LineNr"> 37 </span> 7c/jump-if-< $next-word:check-for-comment/disp8 +<span id="L38" class="LineNr"> 38 </span> <span class="subxS1Comment"># . return out</span> +<span id="L39" class="LineNr"> 39 </span> c7 0/subop/copy 0/mod/direct 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *edi</span> +<span id="L40" class="LineNr"> 40 </span> c7 0/subop/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(edi+4)</span> +<span id="L41" class="LineNr"> 41 </span> eb/jump $next-word:end/disp8 +<span id="L42" class="LineNr"> 42 </span><span class="Constant">$next-word:check-for-comment</span>: +<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># out->start = &line->data[line->read]</span> +<span id="L44" class="LineNr"> 44 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ecx</span> +<span id="L45" class="LineNr"> 45 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+ecx+12 to eax</span> +<span id="L46" class="LineNr"> 46 </span> 89/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy eax to *edi</span> +<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># if (line->data[line->read] == '#') out->end = &line->data[line->write]), skip rest of stream and return</span> +<span id="L48" class="LineNr"> 48 </span> <span class="subxS1Comment"># . eax = line->data[line->read]</span> +<span id="L49" class="LineNr"> 49 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span> +<span id="L50" class="LineNr"> 50 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(esi+ecx+12) to AL</span> +<span id="L51" class="LineNr"> 51 </span> <span class="subxS1Comment"># . compare</span> +<span id="L52" class="LineNr"> 52 </span> 3d/compare-eax-and 0x23/imm32/pound +<span id="L53" class="LineNr"> 53 </span> 75/jump-if-!= $next-word:regular-word/disp8 +<span id="L54" class="LineNr"> 54 </span><span class="Constant">$next-word:comment</span>: +<span id="L55" class="LineNr"> 55 </span> <span class="subxS1Comment"># . out->end = &line->data[line->write]</span> +<span id="L56" class="LineNr"> 56 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to eax</span> +<span id="L57" class="LineNr"> 57 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 0/index/eax <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+eax+12 to eax</span> +<span id="L58" class="LineNr"> 58 </span> 89/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax to *(edi+4)</span> +<span id="L59" class="LineNr"> 59 </span> <span class="subxS1Comment"># . line->read = line->write</span> +<span id="L60" class="LineNr"> 60 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to eax</span> +<span id="L61" class="LineNr"> 61 </span> 89/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax to *(esi+4)</span> +<span id="L62" class="LineNr"> 62 </span> <span class="subxS1Comment"># . return</span> +<span id="L63" class="LineNr"> 63 </span> eb/jump $next-word:end/disp8 +<span id="L64" class="LineNr"> 64 </span><span class="Constant">$next-word:regular-word</span>: +<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># otherwise skip-chars-not-matching-whitespace(line) # including trailing newline</span> +<span id="L66" class="LineNr"> 66 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L67" class="LineNr"> 67 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L68" class="LineNr"> 68 </span> <span class="subxS2Comment"># . . call</span> +<span id="L69" class="LineNr"> 69 </span> e8/call <a href='124next-token.subx.html#L716'>skip-chars-not-matching-whitespace</a>/disp32 +<span id="L70" class="LineNr"> 70 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L71" class="LineNr"> 71 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L72" class="LineNr"> 72 </span> <span class="subxComment"># out->end = &line->data[line->read]</span> +<span id="L73" class="LineNr"> 73 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ecx</span> +<span id="L74" class="LineNr"> 74 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+ecx+12 to eax</span> +<span id="L75" class="LineNr"> 75 </span> 89/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax to *(edi+4)</span> +<span id="L76" class="LineNr"> 76 </span><span class="Constant">$next-word:end</span>: +<span id="L77" class="LineNr"> 77 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L78" class="LineNr"> 78 </span> 5f/pop-to-edi +<span id="L79" class="LineNr"> 79 </span> 5e/pop-to-esi +<span id="L80" class="LineNr"> 80 </span> 59/pop-to-ecx +<span id="L81" class="LineNr"> 81 </span> 58/pop-to-eax +<span id="L82" class="LineNr"> 82 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L83" class="LineNr"> 83 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L84" class="LineNr"> 84 </span> 5d/pop-to-ebp +<span id="L85" class="LineNr"> 85 </span> c3/return +<span id="L86" class="LineNr"> 86 </span> +<span id="L87" class="LineNr"> 87 </span><span class="subxTest">test-next-word</span>: +<span id="L88" class="LineNr"> 88 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L89" class="LineNr"> 89 </span> 55/push-ebp +<span id="L90" class="LineNr"> 90 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L91" class="LineNr"> 91 </span> <span class="subxComment"># setup</span> +<span id="L92" class="LineNr"> 92 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L93" class="LineNr"> 93 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L94" class="LineNr"> 94 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L95" class="LineNr"> 95 </span> <span class="subxS2Comment"># . . call</span> +<span id="L96" class="LineNr"> 96 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L97" class="LineNr"> 97 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L98" class="LineNr"> 98 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L99" class="LineNr"> 99 </span> <span class="subxComment"># var slice/ecx: slice</span> +<span id="L100" class="LineNr">100 </span> 68/push 0/imm32/end +<span id="L101" class="LineNr">101 </span> 68/push 0/imm32/start +<span id="L102" class="LineNr">102 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L103" class="LineNr">103 </span> <span class="subxComment"># write(_test-stream, " ab")</span> +<span id="L104" class="LineNr">104 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L105" class="LineNr">105 </span> 68/push <span class="Constant">" ab"</span>/imm32 +<span id="L106" class="LineNr">106 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . call</span> +<span id="L108" class="LineNr">108 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L109" class="LineNr">109 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L110" class="LineNr">110 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L111" class="LineNr">111 </span> <span class="subxComment"># next-word(_test-stream, slice)</span> +<span id="L112" class="LineNr">112 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L113" class="LineNr">113 </span> 51/push-ecx +<span id="L114" class="LineNr">114 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L115" class="LineNr">115 </span> <span class="subxS2Comment"># . . call</span> +<span id="L116" class="LineNr">116 </span> e8/call <a href='127next-word.subx.html#L11'>next-word</a>/disp32 +<span id="L117" class="LineNr">117 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L118" class="LineNr">118 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L119" class="LineNr">119 </span> <span class="subxComment"># check-ints-equal(slice->start - _test-stream->data, 2, msg)</span> +<span id="L120" class="LineNr">120 </span> <span class="subxS1Comment"># . check-ints-equal(slice->start - _test-stream, 14, msg)</span> +<span id="L121" class="LineNr">121 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L122" class="LineNr">122 </span> 68/push <span class="Constant">"F - <a href='127next-word.subx.html#L87'>test-next-word</a>: start"</span>/imm32 +<span id="L123" class="LineNr">123 </span> 68/push 0xe/imm32 +<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . push slice->start - _test-stream</span> +<span id="L125" class="LineNr">125 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to eax</span> +<span id="L126" class="LineNr">126 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='108write.subx.html#L125'>_test-stream</a>/imm32 <span class="subxComment"># subtract from eax</span> +<span id="L127" class="LineNr">127 </span> 50/push-eax +<span id="L128" class="LineNr">128 </span> <span class="subxS2Comment"># . . call</span> +<span id="L129" class="LineNr">129 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L130" class="LineNr">130 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L131" class="LineNr">131 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L132" class="LineNr">132 </span> <span class="subxComment"># check-ints-equal(slice->end - _test-stream->data, 4, msg)</span> +<span id="L133" class="LineNr">133 </span> <span class="subxS1Comment"># . check-ints-equal(slice->end - _test-stream, 16, msg)</span> +<span id="L134" class="LineNr">134 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L135" class="LineNr">135 </span> 68/push <span class="Constant">"F - <a href='127next-word.subx.html#L87'>test-next-word</a>: end"</span>/imm32 +<span id="L136" class="LineNr">136 </span> 68/push 0x10/imm32 +<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . push slice->end - _test-stream</span> +<span id="L138" class="LineNr">138 </span> 8b/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ecx+4) to eax</span> +<span id="L139" class="LineNr">139 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='108write.subx.html#L125'>_test-stream</a>/imm32 <span class="subxComment"># subtract from eax</span> +<span id="L140" class="LineNr">140 </span> 50/push-eax +<span id="L141" class="LineNr">141 </span> <span class="subxS2Comment"># . . call</span> +<span id="L142" class="LineNr">142 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L143" class="LineNr">143 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L144" class="LineNr">144 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L145" class="LineNr">145 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L146" class="LineNr">146 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L147" class="LineNr">147 </span> 5d/pop-to-ebp +<span id="L148" class="LineNr">148 </span> c3/return +<span id="L149" class="LineNr">149 </span> +<span id="L150" class="LineNr">150 </span><span class="subxTest">test-next-word-returns-whole-comment</span>: +<span id="L151" class="LineNr">151 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L152" class="LineNr">152 </span> 55/push-ebp +<span id="L153" class="LineNr">153 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L154" class="LineNr">154 </span> <span class="subxComment"># setup</span> +<span id="L155" class="LineNr">155 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L157" class="LineNr">157 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . call</span> +<span id="L159" class="LineNr">159 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L161" class="LineNr">161 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L162" class="LineNr">162 </span> <span class="subxComment"># var slice/ecx: slice</span> +<span id="L163" class="LineNr">163 </span> 68/push 0/imm32/end +<span id="L164" class="LineNr">164 </span> 68/push 0/imm32/start +<span id="L165" class="LineNr">165 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L166" class="LineNr">166 </span> <span class="subxComment"># write(_test-stream, " # a")</span> +<span id="L167" class="LineNr">167 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L168" class="LineNr">168 </span> 68/push <span class="Constant">" # a"</span>/imm32 +<span id="L169" class="LineNr">169 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L170" class="LineNr">170 </span> <span class="subxS2Comment"># . . call</span> +<span id="L171" class="LineNr">171 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L172" class="LineNr">172 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L173" class="LineNr">173 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L174" class="LineNr">174 </span> <span class="subxComment"># next-word(_test-stream, slice)</span> +<span id="L175" class="LineNr">175 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L176" class="LineNr">176 </span> 51/push-ecx +<span id="L177" class="LineNr">177 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . call</span> +<span id="L179" class="LineNr">179 </span> e8/call <a href='127next-word.subx.html#L11'>next-word</a>/disp32 +<span id="L180" class="LineNr">180 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L181" class="LineNr">181 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L182" class="LineNr">182 </span> <span class="subxComment"># check-ints-equal(slice->start - _test-stream->data, 2, msg)</span> +<span id="L183" class="LineNr">183 </span> <span class="subxS1Comment"># . check-ints-equal(slice->start - _test-stream, 14, msg)</span> +<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L185" class="LineNr">185 </span> 68/push <span class="Constant">"F - <a href='127next-word.subx.html#L150'>test-next-word-returns-whole-comment</a>: start"</span>/imm32 +<span id="L186" class="LineNr">186 </span> 68/push 0xe/imm32 +<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . push slice->start - _test-stream</span> +<span id="L188" class="LineNr">188 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to eax</span> +<span id="L189" class="LineNr">189 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='108write.subx.html#L125'>_test-stream</a>/imm32 <span class="subxComment"># subtract from eax</span> +<span id="L190" class="LineNr">190 </span> 50/push-eax +<span id="L191" class="LineNr">191 </span> <span class="subxS2Comment"># . . call</span> +<span id="L192" class="LineNr">192 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L193" class="LineNr">193 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L194" class="LineNr">194 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L195" class="LineNr">195 </span> <span class="subxComment"># check-ints-equal(slice->end - _test-stream->data, 5, msg)</span> +<span id="L196" class="LineNr">196 </span> <span class="subxS1Comment"># . check-ints-equal(slice->end - _test-stream, 17, msg)</span> +<span id="L197" class="LineNr">197 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L198" class="LineNr">198 </span> 68/push <span class="Constant">"F - <a href='127next-word.subx.html#L150'>test-next-word-returns-whole-comment</a>: end"</span>/imm32 +<span id="L199" class="LineNr">199 </span> 68/push 0x11/imm32 +<span id="L200" class="LineNr">200 </span> <span class="subxS2Comment"># . . push slice->end - _test-stream</span> +<span id="L201" class="LineNr">201 </span> 8b/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ecx+4) to eax</span> +<span id="L202" class="LineNr">202 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='108write.subx.html#L125'>_test-stream</a>/imm32 <span class="subxComment"># subtract from eax</span> +<span id="L203" class="LineNr">203 </span> 50/push-eax +<span id="L204" class="LineNr">204 </span> <span class="subxS2Comment"># . . call</span> +<span id="L205" class="LineNr">205 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L206" class="LineNr">206 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L207" class="LineNr">207 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L208" class="LineNr">208 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L209" class="LineNr">209 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L210" class="LineNr">210 </span> 5d/pop-to-ebp +<span id="L211" class="LineNr">211 </span> c3/return +<span id="L212" class="LineNr">212 </span> +<span id="L213" class="LineNr">213 </span><span class="subxTest">test-next-word-returns-empty-string-on-eof</span>: +<span id="L214" class="LineNr">214 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L215" class="LineNr">215 </span> 55/push-ebp +<span id="L216" class="LineNr">216 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L217" class="LineNr">217 </span> <span class="subxComment"># setup</span> +<span id="L218" class="LineNr">218 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L219" class="LineNr">219 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L220" class="LineNr">220 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L221" class="LineNr">221 </span> <span class="subxS2Comment"># . . call</span> +<span id="L222" class="LineNr">222 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L223" class="LineNr">223 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L224" class="LineNr">224 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L225" class="LineNr">225 </span> <span class="subxComment"># var slice/ecx: slice</span> +<span id="L226" class="LineNr">226 </span> 68/push 0/imm32/end +<span id="L227" class="LineNr">227 </span> 68/push 0/imm32/start +<span id="L228" class="LineNr">228 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L229" class="LineNr">229 </span> <span class="subxComment"># write nothing to _test-stream</span> +<span id="L230" class="LineNr">230 </span> <span class="subxComment"># next-word(_test-stream, slice)</span> +<span id="L231" class="LineNr">231 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L232" class="LineNr">232 </span> 51/push-ecx +<span id="L233" class="LineNr">233 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L234" class="LineNr">234 </span> <span class="subxS2Comment"># . . call</span> +<span id="L235" class="LineNr">235 </span> e8/call <a href='127next-word.subx.html#L11'>next-word</a>/disp32 +<span id="L236" class="LineNr">236 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L237" class="LineNr">237 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L238" class="LineNr">238 </span> <span class="subxComment"># check-ints-equal(slice->end - slice->start, 0, msg)</span> +<span id="L239" class="LineNr">239 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L240" class="LineNr">240 </span> 68/push <span class="Constant">"F - test-next-word-returns-empty-string-on-eof"</span>/imm32 +<span id="L241" class="LineNr">241 </span> 68/push 0/imm32 +<span id="L242" class="LineNr">242 </span> <span class="subxS2Comment"># . . push slice->end - slice->start</span> +<span id="L243" class="LineNr">243 </span> 8b/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ecx+4) to eax</span> +<span id="L244" class="LineNr">244 </span> 2b/subtract 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *ecx from eax</span> +<span id="L245" class="LineNr">245 </span> 50/push-eax +<span id="L246" class="LineNr">246 </span> <span class="subxS2Comment"># . . call</span> +<span id="L247" class="LineNr">247 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L248" class="LineNr">248 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L249" class="LineNr">249 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L250" class="LineNr">250 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L251" class="LineNr">251 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L252" class="LineNr">252 </span> 5d/pop-to-ebp +<span id="L253" class="LineNr">253 </span> c3/return +<span id="L254" class="LineNr">254 </span> +<span id="L255" class="LineNr">255 </span><span class="subxTest">test-next-word-returns-empty-string-on-newline</span>: +<span id="L256" class="LineNr">256 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L257" class="LineNr">257 </span> 55/push-ebp +<span id="L258" class="LineNr">258 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L259" class="LineNr">259 </span> <span class="subxComment"># setup</span> +<span id="L260" class="LineNr">260 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L261" class="LineNr">261 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L262" class="LineNr">262 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L263" class="LineNr">263 </span> <span class="subxS2Comment"># . . call</span> +<span id="L264" class="LineNr">264 </span> e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 +<span id="L265" class="LineNr">265 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L266" class="LineNr">266 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L267" class="LineNr">267 </span> <span class="subxComment"># var slice/ecx: slice</span> +<span id="L268" class="LineNr">268 </span> 68/push 0/imm32/end +<span id="L269" class="LineNr">269 </span> 68/push 0/imm32/start +<span id="L270" class="LineNr">270 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span> +<span id="L271" class="LineNr">271 </span> <span class="subxComment"># write some whitespace and a newline</span> +<span id="L272" class="LineNr">272 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L273" class="LineNr">273 </span> 68/push <span class="Constant">" \n"</span>/imm32 +<span id="L274" class="LineNr">274 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L275" class="LineNr">275 </span> <span class="subxS2Comment"># . . call</span> +<span id="L276" class="LineNr">276 </span> e8/call <a href='108write.subx.html#L11'>write</a>/disp32 +<span id="L277" class="LineNr">277 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L278" class="LineNr">278 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L279" class="LineNr">279 </span> <span class="subxComment"># next-word(_test-stream, slice)</span> +<span id="L280" class="LineNr">280 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L281" class="LineNr">281 </span> 51/push-ecx +<span id="L282" class="LineNr">282 </span> 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 +<span id="L283" class="LineNr">283 </span> <span class="subxS2Comment"># . . call</span> +<span id="L284" class="LineNr">284 </span> e8/call <a href='127next-word.subx.html#L11'>next-word</a>/disp32 +<span id="L285" class="LineNr">285 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L286" class="LineNr">286 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span> +<span id="L287" class="LineNr">287 </span> <span class="subxComment"># check-ints-equal(slice->end - slice->start, 0, msg)</span> +<span id="L288" class="LineNr">288 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L289" class="LineNr">289 </span> 68/push <span class="Constant">"F - test-next-word-returns-empty-string-on-newline"</span>/imm32 +<span id="L290" class="LineNr">290 </span> 68/push 0/imm32 +<span id="L291" class="LineNr">291 </span> <span class="subxS2Comment"># . . push slice->end - slice->start</span> +<span id="L292" class="LineNr">292 </span> 8b/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ecx+4) to eax</span> +<span id="L293" class="LineNr">293 </span> 2b/subtract 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *ecx from eax</span> +<span id="L294" class="LineNr">294 </span> 50/push-eax +<span id="L295" class="LineNr">295 </span> <span class="subxS2Comment"># . . call</span> +<span id="L296" class="LineNr">296 </span> e8/call <a href='502test.mu.html#L2'>check-ints-equal</a>/disp32 +<span id="L297" class="LineNr">297 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L298" class="LineNr">298 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span> +<span id="L299" class="LineNr">299 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L300" class="LineNr">300 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L301" class="LineNr">301 </span> 5d/pop-to-ebp +<span id="L302" class="LineNr">302 </span> c3/return +<span id="L303" class="LineNr">303 </span> +<span id="L304" class="LineNr">304 </span><span class="subxComment"># (re)compute the bounds of the next word in the line (separated by whitespace)</span> +<span id="L305" class="LineNr">305 </span><span class="subxComment"># return empty string on reaching end of file</span> +<span id="L306" class="LineNr">306 </span><span class="subxFunction">next-raw-word</span>: <span class="subxComment"># line: (addr stream byte), out: (addr slice)</span> +<span id="L307" class="LineNr">307 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L308" class="LineNr">308 </span> 55/push-ebp +<span id="L309" class="LineNr">309 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span> +<span id="L310" class="LineNr">310 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L311" class="LineNr">311 </span> 50/push-eax +<span id="L312" class="LineNr">312 </span> 51/push-ecx +<span id="L313" class="LineNr">313 </span> 56/push-esi +<span id="L314" class="LineNr">314 </span> 57/push-edi +<span id="L315" class="LineNr">315 </span> <span class="subxComment"># esi = line</span> +<span id="L316" class="LineNr">316 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span> +<span id="L317" class="LineNr">317 </span> <span class="subxComment"># edi = out</span> +<span id="L318" class="LineNr">318 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edi</span> +<span id="L319" class="LineNr">319 </span> <span class="subxComment"># skip-chars-matching-whitespace(line)</span> +<span id="L320" class="LineNr">320 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L321" class="LineNr">321 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L322" class="LineNr">322 </span> <span class="subxS2Comment"># . . call</span> +<span id="L323" class="LineNr">323 </span> e8/call <a href='124next-token.subx.html#L464'>skip-chars-matching-whitespace</a>/disp32 +<span id="L324" class="LineNr">324 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L325" class="LineNr">325 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L326" class="LineNr">326 </span><span class="Constant">$next-raw-word:check0</span>: +<span id="L327" class="LineNr">327 </span> <span class="subxComment"># if (line->read >= line->write) clear out and return</span> +<span id="L328" class="LineNr">328 </span> <span class="subxS1Comment"># . eax = line->read</span> +<span id="L329" class="LineNr">329 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to eax</span> +<span id="L330" class="LineNr">330 </span> <span class="subxS1Comment"># . if (eax < line->write) goto next check</span> +<span id="L331" class="LineNr">331 </span> 3b/compare 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax with *esi</span> +<span id="L332" class="LineNr">332 </span> 7c/jump-if-< $next-raw-word:word-exists/disp8 +<span id="L333" class="LineNr">333 </span> <span class="subxS1Comment"># . return out</span> +<span id="L334" class="LineNr">334 </span> c7 0/subop/copy 0/mod/direct 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *edi</span> +<span id="L335" class="LineNr">335 </span> c7 0/subop/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(edi+4)</span> +<span id="L336" class="LineNr">336 </span> eb/jump $next-raw-word:end/disp8 +<span id="L337" class="LineNr">337 </span><span class="Constant">$next-raw-word:word-exists</span>: +<span id="L338" class="LineNr">338 </span> <span class="subxComment"># out->start = &line->data[line->read]</span> +<span id="L339" class="LineNr">339 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ecx</span> +<span id="L340" class="LineNr">340 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+ecx+12 to eax</span> +<span id="L341" class="LineNr">341 </span> 89/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy eax to *edi</span> +<span id="L342" class="LineNr">342 </span> <span class="subxComment"># skip-chars-not-matching-whitespace(line) # including trailing newline</span> +<span id="L343" class="LineNr">343 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L344" class="LineNr">344 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span> +<span id="L345" class="LineNr">345 </span> <span class="subxS2Comment"># . . call</span> +<span id="L346" class="LineNr">346 </span> e8/call <a href='124next-token.subx.html#L716'>skip-chars-not-matching-whitespace</a>/disp32 +<span id="L347" class="LineNr">347 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L348" class="LineNr">348 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span> +<span id="L349" class="LineNr">349 </span> <span class="subxComment"># out->end = &line->data[line->read]</span> +<span id="L350" class="LineNr">350 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ecx</span> +<span id="L351" class="LineNr">351 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+ecx+12 to eax</span> +<span id="L352" class="LineNr">352 </span> 89/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax to *(edi+4)</span> +<span id="L353" class="LineNr">353 </span><span class="Constant">$next-raw-word:end</span>: +<span id="L354" class="LineNr">354 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L355" class="LineNr">355 </span> 5f/pop-to-edi +<span id="L356" class="LineNr">356 </span> 5e/pop-to-esi +<span id="L357" class="LineNr">357 </span> 59/pop-to-ecx +<span id="L358" class="LineNr">358 </span> 58/pop-to-eax +<span id="L359" class="LineNr">359 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L360" class="LineNr">360 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span> +<span id="L361" class="LineNr">361 </span> 5d/pop-to-ebp +<span id="L362" class="LineNr">362 </span> c3/return +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> diff --git a/html/baremetal/302stack_allocate.subx.html b/html/baremetal/302stack_allocate.subx.html index af165122..deb1219f 100644 --- a/html/baremetal/302stack_allocate.subx.html +++ b/html/baremetal/302stack_allocate.subx.html @@ -104,7 +104,7 @@ if ('onhashchange' in window) { <span id="L47" class="LineNr">47 </span> 89/<- *<span class="SpecialChar"><a href='302stack_allocate.subx.html#L58'>Push-n-zero-bytes-esp</a></span> 4/r32/esp <span id="L48" class="LineNr">48 </span> 81 0/subop/add *<span class="SpecialChar"><a href='302stack_allocate.subx.html#L58'>Push-n-zero-bytes-esp</a></span> 4/imm32 <span id="L49" class="LineNr">49 </span> 81 0/subop/add *(ebp+4) 4/imm32 -<span id="L50" class="LineNr">50 </span> (<a href='120allocate.subx.html#L7'>zero-out</a> *<span class="SpecialChar"><a href='302stack_allocate.subx.html#L58'>Push-n-zero-bytes-esp</a></span> *(ebp+4)) <span class="subxComment"># n+4</span> +<span id="L50" class="LineNr">50 </span> (<a href='120allocate.subx.html#L836'>zero-out</a> *<span class="SpecialChar"><a href='302stack_allocate.subx.html#L58'>Push-n-zero-bytes-esp</a></span> *(ebp+4)) <span class="subxComment"># n+4</span> <span id="L51" class="LineNr">51 </span><span class="Constant">$push-n-zero-bytes:epilogue</span>: <span id="L52" class="LineNr">52 </span> 8b/-> *<span class="SpecialChar"><a href='302stack_allocate.subx.html#L56'>Push-n-zero-bytes-ebp</a></span> 5/r32/ebp <span class="subxComment"># restore spill</span> <span id="L53" class="LineNr">53 </span> c3/return diff --git a/html/baremetal/308allocate-array.subx.html b/html/baremetal/308allocate-array.subx.html new file mode 100644 index 00000000..f9c50980 --- /dev/null +++ b/html/baremetal/308allocate-array.subx.html @@ -0,0 +1,85 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - baremetal/308allocate-array.subx</title> +<meta name="Generator" content="Vim/8.1"> +<meta name="plugin-version" content="vim8.1_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.subxComment { color: #005faf; } +.subxS1Comment { color: #0000af; } +.LineNr { } +.subxFunction { color: #af5f00; text-decoration: underline; } +.Constant { color: #008787; } +--> +</style> + +<script type='text/javascript'> +<!-- + +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + var lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + +--> +</script> +</head> +<body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/main/baremetal/308allocate-array.subx'>https://github.com/akkartik/mu/blob/main/baremetal/308allocate-array.subx</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># 2-arg version of allocate-array.</span> +<span id="L2" class="LineNr"> 2 </span><span class="subxComment"># Really only intended to be called from code generated by mu.subx.</span> +<span id="L3" class="LineNr"> 3 </span> +<span id="L4" class="LineNr"> 4 </span>== code +<span id="L5" class="LineNr"> 5 </span> +<span id="L6" class="LineNr"> 6 </span><span class="subxFunction">allocate-array2</span>: <span class="subxComment"># ad: (addr allocation-descriptor), array-len: int, elem-size: int, out: (addr handle array _)</span> +<span id="L7" class="LineNr"> 7 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L8" class="LineNr"> 8 </span> 55/push-ebp +<span id="L9" class="LineNr"> 9 </span> 89/<- %ebp 4/r32/esp +<span id="L10" class="LineNr">10 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L11" class="LineNr">11 </span> 50/push-eax +<span id="L12" class="LineNr">12 </span> 52/push-edx +<span id="L13" class="LineNr">13 </span> <span class="subxComment">#</span> +<span id="L14" class="LineNr">14 </span> 8b/-> *(ebp+0xc) 0/r32/eax +<span id="L15" class="LineNr">15 </span> f7 4/subop/multiply-into-edx-eax *(ebp+0x10) +<span id="L16" class="LineNr">16 </span> <span class="subxComment"># TODO: check edx for overflow</span> +<span id="L17" class="LineNr">17 </span> (<a href='120allocate.subx.html#L535'>allocate-array</a> *(ebp+8) %eax *(ebp+0x14)) +<span id="L18" class="LineNr">18 </span><span class="Constant">$allocate-array2:end</span>: +<span id="L19" class="LineNr">19 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L20" class="LineNr">20 </span> 5a/pop-to-edx +<span id="L21" class="LineNr">21 </span> 58/pop-to-eax +<span id="L22" class="LineNr">22 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L23" class="LineNr">23 </span> 89/<- %esp 5/r32/ebp +<span id="L24" class="LineNr">24 </span> 5d/pop-to-ebp +<span id="L25" class="LineNr">25 </span> c3/return +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> diff --git a/html/baremetal/309stream.subx.html b/html/baremetal/309stream.subx.html index 3883daba..a82b6792 100644 --- a/html/baremetal/309stream.subx.html +++ b/html/baremetal/309stream.subx.html @@ -121,11 +121,11 @@ if ('onhashchange' in window) { <span id="L65" class="LineNr"> 65 </span> 8b/-> *(ebp+8) 7/r32/edi <span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># var swrite/edx: int = s->write</span> <span id="L67" class="LineNr"> 67 </span> 8b/-> *edi 2/r32/edx -<span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># if (swrite + n > s->size) return</span> +<span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># if (swrite + n > s->size) abort</span> <span id="L69" class="LineNr"> 69 </span> 8b/-> *(ebp+0x10) 1/r32/ecx <span id="L70" class="LineNr"> 70 </span> 01/add-to %ecx 2/r32/edx <span id="L71" class="LineNr"> 71 </span> 3b/compare 1/r32/ecx *(edi+8) -<span id="L72" class="LineNr"> 72 </span> 0f 8f/jump-if-> $write-to-stream:end/disp32 <span class="subxComment"># TODO: abort</span> +<span id="L72" class="LineNr"> 72 </span> 0f 8f/jump-if-> $write-to-stream:abort/disp32 <span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># var out/edx: (addr byte) = s->data + s->write</span> <span id="L74" class="LineNr"> 74 </span> 8d/copy-address *(edi+edx+0xc) 2/r32/edx <span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># var outend/ebx: (addr byte) = out + n</span> @@ -137,7 +137,7 @@ if ('onhashchange' in window) { <span id="L81" class="LineNr"> 81 </span> 8b/-> *(ebp+0x10) 1/r32/ecx <span id="L82" class="LineNr"> 82 </span> 8d/copy-address *(eax+ecx) 1/r32/ecx <span id="L83" class="LineNr"> 83 </span> <span class="subxComment">#</span> -<span id="L84" class="LineNr"> 84 </span> (<a href='108write.subx.html#L87'>_append-4</a> %edx %ebx %eax %ecx) <span class="subxComment"># => eax</span> +<span id="L84" class="LineNr"> 84 </span> (<a href='108write.subx.html#L171'>_append-4</a> %edx %ebx %eax %ecx) <span class="subxComment"># => eax</span> <span id="L85" class="LineNr"> 85 </span> <span class="subxComment"># s->write += n</span> <span id="L86" class="LineNr"> 86 </span> 8b/-> *(ebp+0x10) 1/r32/ecx <span id="L87" class="LineNr"> 87 </span> 01/add-to *edi 1/r32/ecx @@ -153,107 +153,121 @@ if ('onhashchange' in window) { <span id="L97" class="LineNr"> 97 </span> 5d/pop-to-ebp <span id="L98" class="LineNr"> 98 </span> c3/return <span id="L99" class="LineNr"> 99 </span> -<span id="L100" class="LineNr">100 </span><span class="subxFunction">read-from-stream</span>: <span class="subxComment"># s: (addr stream _), out: (addr byte), n: int</span> -<span id="L101" class="LineNr">101 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L102" class="LineNr">102 </span> 55/push-ebp -<span id="L103" class="LineNr">103 </span> 89/<- %ebp 4/r32/esp -<span id="L104" class="LineNr">104 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L105" class="LineNr">105 </span> 50/push-eax -<span id="L106" class="LineNr">106 </span> 51/push-ecx -<span id="L107" class="LineNr">107 </span> 52/push-edx -<span id="L108" class="LineNr">108 </span> 53/push-ebx -<span id="L109" class="LineNr">109 </span> 56/push-esi -<span id="L110" class="LineNr">110 </span> <span class="subxComment"># esi = s</span> -<span id="L111" class="LineNr">111 </span> 8b/-> *(ebp+8) 6/r32/esi -<span id="L112" class="LineNr">112 </span> <span class="subxComment"># var sread/edx: int = s->read</span> -<span id="L113" class="LineNr">113 </span> 8b/-> *(esi+4) 2/r32/edx -<span id="L114" class="LineNr">114 </span> <span class="subxComment"># if (sread + n > s->write) return</span> -<span id="L115" class="LineNr">115 </span> 8b/-> *(ebp+0x10) 1/r32/ecx -<span id="L116" class="LineNr">116 </span> 01/add-to %ecx 2/r32/edx -<span id="L117" class="LineNr">117 </span> 3b/compare 1/r32/ecx *esi -<span id="L118" class="LineNr">118 </span> 0f 8f/jump-if-> $read-from-stream:end/disp32 <span class="subxComment"># TODO: abort</span> -<span id="L119" class="LineNr">119 </span> <span class="subxComment"># var in/edx: (addr byte) = s->data + s->read</span> -<span id="L120" class="LineNr">120 </span> 8d/copy-address *(esi+edx+0xc) 2/r32/edx -<span id="L121" class="LineNr">121 </span> <span class="subxComment"># var inend/ebx: (addr byte) = in + n</span> -<span id="L122" class="LineNr">122 </span> 8b/-> *(ebp+0x10) 3/r32/ebx -<span id="L123" class="LineNr">123 </span> 8d/copy-address *(edx+ebx) 3/r32/ebx -<span id="L124" class="LineNr">124 </span> <span class="subxComment"># eax = out</span> -<span id="L125" class="LineNr">125 </span> 8b/-> *(ebp+0xc) 0/r32/eax -<span id="L126" class="LineNr">126 </span> <span class="subxComment"># var outend/ecx: (addr byte) = out + n</span> -<span id="L127" class="LineNr">127 </span> 8b/-> *(ebp+0x10) 1/r32/ecx -<span id="L128" class="LineNr">128 </span> 8d/copy-address *(eax+ecx) 1/r32/ecx -<span id="L129" class="LineNr">129 </span> <span class="subxComment">#</span> -<span id="L130" class="LineNr">130 </span> (<a href='108write.subx.html#L87'>_append-4</a> %eax %ecx %edx %ebx) <span class="subxComment"># => eax</span> -<span id="L131" class="LineNr">131 </span> <span class="subxComment"># s->read += n</span> -<span id="L132" class="LineNr">132 </span> 8b/-> *(ebp+0x10) 1/r32/ecx -<span id="L133" class="LineNr">133 </span> 01/add-to *(esi+4) 1/r32/ecx -<span id="L134" class="LineNr">134 </span><span class="Constant">$read-from-stream:end</span>: -<span id="L135" class="LineNr">135 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L136" class="LineNr">136 </span> 5e/pop-to-esi -<span id="L137" class="LineNr">137 </span> 5b/pop-to-ebx -<span id="L138" class="LineNr">138 </span> 5a/pop-to-edx -<span id="L139" class="LineNr">139 </span> 59/pop-to-ecx -<span id="L140" class="LineNr">140 </span> 58/pop-to-eax -<span id="L141" class="LineNr">141 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L142" class="LineNr">142 </span> 89/<- %esp 5/r32/ebp -<span id="L143" class="LineNr">143 </span> 5d/pop-to-ebp -<span id="L144" class="LineNr">144 </span> c3/return -<span id="L145" class="LineNr">145 </span> -<span id="L146" class="LineNr">146 </span><span class="subxFunction">stream-first</span>: <span class="subxComment"># s: (addr stream byte) -> result/eax: byte</span> -<span id="L147" class="LineNr">147 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L148" class="LineNr">148 </span> 55/push-ebp -<span id="L149" class="LineNr">149 </span> 89/<- %ebp 4/r32/esp -<span id="L150" class="LineNr">150 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L151" class="LineNr">151 </span> 51/push-ecx -<span id="L152" class="LineNr">152 </span> 56/push-esi -<span id="L153" class="LineNr">153 </span> <span class="subxComment"># result = false</span> -<span id="L154" class="LineNr">154 </span> b8/copy-to-eax 0/imm32 -<span id="L155" class="LineNr">155 </span> <span class="subxComment"># esi = s</span> -<span id="L156" class="LineNr">156 </span> 8b/-> *(ebp+8) 6/r32/esi -<span id="L157" class="LineNr">157 </span> <span class="subxComment"># var idx/ecx: int = s->read</span> -<span id="L158" class="LineNr">158 </span> 8b/-> *(esi+4) 1/r32/ecx -<span id="L159" class="LineNr">159 </span> <span class="subxComment"># if idx >= s->write return 0</span> -<span id="L160" class="LineNr">160 </span> 3b/compare-with 1/r32/ecx *esi -<span id="L161" class="LineNr">161 </span> 7d/jump-if->= $stream-first:end/disp8 -<span id="L162" class="LineNr">162 </span> <span class="subxComment"># result = s->data[idx]</span> -<span id="L163" class="LineNr">163 </span> 8a/byte-> *(esi+ecx+0xc) 0/r32/AL -<span id="L164" class="LineNr">164 </span><span class="Constant">$stream-first:end</span>: -<span id="L165" class="LineNr">165 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L166" class="LineNr">166 </span> 5e/pop-to-esi -<span id="L167" class="LineNr">167 </span> 59/pop-to-ecx -<span id="L168" class="LineNr">168 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L169" class="LineNr">169 </span> 89/<- %esp 5/r32/ebp -<span id="L170" class="LineNr">170 </span> 5d/pop-to-ebp -<span id="L171" class="LineNr">171 </span> c3/return -<span id="L172" class="LineNr">172 </span> -<span id="L173" class="LineNr">173 </span><span class="subxFunction">stream-final</span>: <span class="subxComment"># s: (addr stream byte) -> result/eax: byte</span> -<span id="L174" class="LineNr">174 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L175" class="LineNr">175 </span> 55/push-ebp -<span id="L176" class="LineNr">176 </span> 89/<- %ebp 4/r32/esp -<span id="L177" class="LineNr">177 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L178" class="LineNr">178 </span> 51/push-ecx -<span id="L179" class="LineNr">179 </span> 56/push-esi -<span id="L180" class="LineNr">180 </span> <span class="subxComment"># result = false</span> -<span id="L181" class="LineNr">181 </span> b8/copy-to-eax 0/imm32 -<span id="L182" class="LineNr">182 </span> <span class="subxComment"># esi = s</span> -<span id="L183" class="LineNr">183 </span> 8b/-> *(ebp+8) 6/r32/esi -<span id="L184" class="LineNr">184 </span> <span class="subxComment"># var max/ecx: int = s->write</span> -<span id="L185" class="LineNr">185 </span> 8b/-> *esi 1/r32/ecx -<span id="L186" class="LineNr">186 </span> <span class="subxComment"># if s->read >= max return 0</span> -<span id="L187" class="LineNr">187 </span> 39/compare-with *(esi+4) 1/r32/ecx -<span id="L188" class="LineNr">188 </span> 7d/jump-if->= $stream-final:end/disp8 -<span id="L189" class="LineNr">189 </span> <span class="subxComment"># var idx/ecx: int = max - 1</span> -<span id="L190" class="LineNr">190 </span> 49/decrement-ecx -<span id="L191" class="LineNr">191 </span> <span class="subxComment"># result = s->data[idx]</span> -<span id="L192" class="LineNr">192 </span> 8a/byte-> *(esi+ecx+0xc) 0/r32/AL -<span id="L193" class="LineNr">193 </span><span class="Constant">$stream-final:end</span>: -<span id="L194" class="LineNr">194 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L195" class="LineNr">195 </span> 5e/pop-to-esi -<span id="L196" class="LineNr">196 </span> 59/pop-to-ecx -<span id="L197" class="LineNr">197 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L198" class="LineNr">198 </span> 89/<- %esp 5/r32/ebp -<span id="L199" class="LineNr">199 </span> 5d/pop-to-ebp -<span id="L200" class="LineNr">200 </span> c3/return +<span id="L100" class="LineNr">100 </span><span class="Constant">$write-to-stream:abort</span>: +<span id="L101" class="LineNr">101 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"write-to-stream: stream full"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L102" class="LineNr">102 </span> { +<span id="L103" class="LineNr">103 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L104" class="LineNr">104 </span> } +<span id="L105" class="LineNr">105 </span> <span class="subxComment"># never gets here</span> +<span id="L106" class="LineNr">106 </span> +<span id="L107" class="LineNr">107 </span><span class="subxFunction">read-from-stream</span>: <span class="subxComment"># s: (addr stream _), out: (addr byte), n: int</span> +<span id="L108" class="LineNr">108 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L109" class="LineNr">109 </span> 55/push-ebp +<span id="L110" class="LineNr">110 </span> 89/<- %ebp 4/r32/esp +<span id="L111" class="LineNr">111 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L112" class="LineNr">112 </span> 50/push-eax +<span id="L113" class="LineNr">113 </span> 51/push-ecx +<span id="L114" class="LineNr">114 </span> 52/push-edx +<span id="L115" class="LineNr">115 </span> 53/push-ebx +<span id="L116" class="LineNr">116 </span> 56/push-esi +<span id="L117" class="LineNr">117 </span> <span class="subxComment"># esi = s</span> +<span id="L118" class="LineNr">118 </span> 8b/-> *(ebp+8) 6/r32/esi +<span id="L119" class="LineNr">119 </span> <span class="subxComment"># var sread/edx: int = s->read</span> +<span id="L120" class="LineNr">120 </span> 8b/-> *(esi+4) 2/r32/edx +<span id="L121" class="LineNr">121 </span> <span class="subxComment"># if (sread + n > s->write) abort</span> +<span id="L122" class="LineNr">122 </span> 8b/-> *(ebp+0x10) 1/r32/ecx +<span id="L123" class="LineNr">123 </span> 01/add-to %ecx 2/r32/edx +<span id="L124" class="LineNr">124 </span> 3b/compare 1/r32/ecx *esi +<span id="L125" class="LineNr">125 </span> 0f 8f/jump-if-> $read-from-stream:abort/disp32 +<span id="L126" class="LineNr">126 </span> <span class="subxComment"># var in/edx: (addr byte) = s->data + s->read</span> +<span id="L127" class="LineNr">127 </span> 8d/copy-address *(esi+edx+0xc) 2/r32/edx +<span id="L128" class="LineNr">128 </span> <span class="subxComment"># var inend/ebx: (addr byte) = in + n</span> +<span id="L129" class="LineNr">129 </span> 8b/-> *(ebp+0x10) 3/r32/ebx +<span id="L130" class="LineNr">130 </span> 8d/copy-address *(edx+ebx) 3/r32/ebx +<span id="L131" class="LineNr">131 </span> <span class="subxComment"># eax = out</span> +<span id="L132" class="LineNr">132 </span> 8b/-> *(ebp+0xc) 0/r32/eax +<span id="L133" class="LineNr">133 </span> <span class="subxComment"># var outend/ecx: (addr byte) = out + n</span> +<span id="L134" class="LineNr">134 </span> 8b/-> *(ebp+0x10) 1/r32/ecx +<span id="L135" class="LineNr">135 </span> 8d/copy-address *(eax+ecx) 1/r32/ecx +<span id="L136" class="LineNr">136 </span> <span class="subxComment">#</span> +<span id="L137" class="LineNr">137 </span> (<a href='108write.subx.html#L171'>_append-4</a> %eax %ecx %edx %ebx) <span class="subxComment"># => eax</span> +<span id="L138" class="LineNr">138 </span> <span class="subxComment"># s->read += n</span> +<span id="L139" class="LineNr">139 </span> 8b/-> *(ebp+0x10) 1/r32/ecx +<span id="L140" class="LineNr">140 </span> 01/add-to *(esi+4) 1/r32/ecx +<span id="L141" class="LineNr">141 </span><span class="Constant">$read-from-stream:end</span>: +<span id="L142" class="LineNr">142 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L143" class="LineNr">143 </span> 5e/pop-to-esi +<span id="L144" class="LineNr">144 </span> 5b/pop-to-ebx +<span id="L145" class="LineNr">145 </span> 5a/pop-to-edx +<span id="L146" class="LineNr">146 </span> 59/pop-to-ecx +<span id="L147" class="LineNr">147 </span> 58/pop-to-eax +<span id="L148" class="LineNr">148 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L149" class="LineNr">149 </span> 89/<- %esp 5/r32/ebp +<span id="L150" class="LineNr">150 </span> 5d/pop-to-ebp +<span id="L151" class="LineNr">151 </span> c3/return +<span id="L152" class="LineNr">152 </span> +<span id="L153" class="LineNr">153 </span><span class="Constant">$read-from-stream:abort</span>: +<span id="L154" class="LineNr">154 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"read-from-stream: stream empty"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L155" class="LineNr">155 </span> { +<span id="L156" class="LineNr">156 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L157" class="LineNr">157 </span> } +<span id="L158" class="LineNr">158 </span> <span class="subxComment"># never gets here</span> +<span id="L159" class="LineNr">159 </span> +<span id="L160" class="LineNr">160 </span><span class="subxFunction">stream-first</span>: <span class="subxComment"># s: (addr stream byte) -> result/eax: byte</span> +<span id="L161" class="LineNr">161 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L162" class="LineNr">162 </span> 55/push-ebp +<span id="L163" class="LineNr">163 </span> 89/<- %ebp 4/r32/esp +<span id="L164" class="LineNr">164 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L165" class="LineNr">165 </span> 51/push-ecx +<span id="L166" class="LineNr">166 </span> 56/push-esi +<span id="L167" class="LineNr">167 </span> <span class="subxComment"># result = false</span> +<span id="L168" class="LineNr">168 </span> b8/copy-to-eax 0/imm32 +<span id="L169" class="LineNr">169 </span> <span class="subxComment"># esi = s</span> +<span id="L170" class="LineNr">170 </span> 8b/-> *(ebp+8) 6/r32/esi +<span id="L171" class="LineNr">171 </span> <span class="subxComment"># var idx/ecx: int = s->read</span> +<span id="L172" class="LineNr">172 </span> 8b/-> *(esi+4) 1/r32/ecx +<span id="L173" class="LineNr">173 </span> <span class="subxComment"># if idx >= s->write return 0</span> +<span id="L174" class="LineNr">174 </span> 3b/compare-with 1/r32/ecx *esi +<span id="L175" class="LineNr">175 </span> 7d/jump-if->= $stream-first:end/disp8 +<span id="L176" class="LineNr">176 </span> <span class="subxComment"># result = s->data[idx]</span> +<span id="L177" class="LineNr">177 </span> 8a/byte-> *(esi+ecx+0xc) 0/r32/AL +<span id="L178" class="LineNr">178 </span><span class="Constant">$stream-first:end</span>: +<span id="L179" class="LineNr">179 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L180" class="LineNr">180 </span> 5e/pop-to-esi +<span id="L181" class="LineNr">181 </span> 59/pop-to-ecx +<span id="L182" class="LineNr">182 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L183" class="LineNr">183 </span> 89/<- %esp 5/r32/ebp +<span id="L184" class="LineNr">184 </span> 5d/pop-to-ebp +<span id="L185" class="LineNr">185 </span> c3/return +<span id="L186" class="LineNr">186 </span> +<span id="L187" class="LineNr">187 </span><span class="subxFunction">stream-final</span>: <span class="subxComment"># s: (addr stream byte) -> result/eax: byte</span> +<span id="L188" class="LineNr">188 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L189" class="LineNr">189 </span> 55/push-ebp +<span id="L190" class="LineNr">190 </span> 89/<- %ebp 4/r32/esp +<span id="L191" class="LineNr">191 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L192" class="LineNr">192 </span> 51/push-ecx +<span id="L193" class="LineNr">193 </span> 56/push-esi +<span id="L194" class="LineNr">194 </span> <span class="subxComment"># result = false</span> +<span id="L195" class="LineNr">195 </span> b8/copy-to-eax 0/imm32 +<span id="L196" class="LineNr">196 </span> <span class="subxComment"># esi = s</span> +<span id="L197" class="LineNr">197 </span> 8b/-> *(ebp+8) 6/r32/esi +<span id="L198" class="LineNr">198 </span> <span class="subxComment"># var max/ecx: int = s->write</span> +<span id="L199" class="LineNr">199 </span> 8b/-> *esi 1/r32/ecx +<span id="L200" class="LineNr">200 </span> <span class="subxComment"># if s->read >= max return 0</span> +<span id="L201" class="LineNr">201 </span> 39/compare-with *(esi+4) 1/r32/ecx +<span id="L202" class="LineNr">202 </span> 7d/jump-if->= $stream-final:end/disp8 +<span id="L203" class="LineNr">203 </span> <span class="subxComment"># var idx/ecx: int = max - 1</span> +<span id="L204" class="LineNr">204 </span> 49/decrement-ecx +<span id="L205" class="LineNr">205 </span> <span class="subxComment"># result = s->data[idx]</span> +<span id="L206" class="LineNr">206 </span> 8a/byte-> *(esi+ecx+0xc) 0/r32/AL +<span id="L207" class="LineNr">207 </span><span class="Constant">$stream-final:end</span>: +<span id="L208" class="LineNr">208 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L209" class="LineNr">209 </span> 5e/pop-to-esi +<span id="L210" class="LineNr">210 </span> 59/pop-to-ecx +<span id="L211" class="LineNr">211 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L212" class="LineNr">212 </span> 89/<- %esp 5/r32/ebp +<span id="L213" class="LineNr">213 </span> 5d/pop-to-ebp +<span id="L214" class="LineNr">214 </span> c3/return </pre> </body> </html> diff --git a/html/baremetal/311decimal-int.subx.html b/html/baremetal/311decimal-int.subx.html new file mode 100644 index 00000000..86304b6b --- /dev/null +++ b/html/baremetal/311decimal-int.subx.html @@ -0,0 +1,488 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - baremetal/311decimal-int.subx</title> +<meta name="Generator" content="Vim/8.1"> +<meta name="plugin-version" content="vim8.1_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.subxComment { color: #005faf; } +.subxS1Comment { color: #0000af; } +.LineNr { } +.subxTest { color: #5f8700; } +.subxFunction { color: #af5f00; text-decoration: underline; } +.Constant { color: #008787; } +--> +</style> + +<script type='text/javascript'> +<!-- + +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + var lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + +--> +</script> +</head> +<body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/main/baremetal/311decimal-int.subx'>https://github.com/akkartik/mu/blob/main/baremetal/311decimal-int.subx</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Helpers for decimal ints.</span> +<span id="L2" class="LineNr"> 2 </span> +<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># if slice doesn't contain a decimal number, return 0</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxFunction">parse-decimal-int-from-slice</span>: <span class="subxComment"># in: (addr slice) -> out/eax: int</span> +<span id="L5" class="LineNr"> 5 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L6" class="LineNr"> 6 </span> 55/push-ebp +<span id="L7" class="LineNr"> 7 </span> 89/<- %ebp 4/r32/esp +<span id="L8" class="LineNr"> 8 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L9" class="LineNr"> 9 </span> 51/push-ecx +<span id="L10" class="LineNr"> 10 </span> <span class="subxComment"># ecx = in</span> +<span id="L11" class="LineNr"> 11 </span> 8b/-> *(ebp+8) 1/r32/ecx +<span id="L12" class="LineNr"> 12 </span> <span class="subxComment">#</span> +<span id="L13" class="LineNr"> 13 </span> (<a href='311decimal-int.subx.html#L86'>parse-decimal-int-helper</a> *ecx *(ecx+4)) <span class="subxComment"># => eax</span> +<span id="L14" class="LineNr"> 14 </span><span class="Constant">$parse-decimal-int-from-slice:end</span>: +<span id="L15" class="LineNr"> 15 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L16" class="LineNr"> 16 </span> 59/pop-to-ecx +<span id="L17" class="LineNr"> 17 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L18" class="LineNr"> 18 </span> 89/<- %esp 5/r32/ebp +<span id="L19" class="LineNr"> 19 </span> 5d/pop-to-ebp +<span id="L20" class="LineNr"> 20 </span> c3/return +<span id="L21" class="LineNr"> 21 </span> +<span id="L22" class="LineNr"> 22 </span><span class="subxComment"># if slice doesn't contain a decimal number, return 0</span> +<span id="L23" class="LineNr"> 23 </span><span class="subxFunction">parse-decimal-int</span>: <span class="subxComment"># in: (addr array byte) -> result/eax: int</span> +<span id="L24" class="LineNr"> 24 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L25" class="LineNr"> 25 </span> 55/push-ebp +<span id="L26" class="LineNr"> 26 </span> 89/<- %ebp 4/r32/esp +<span id="L27" class="LineNr"> 27 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L28" class="LineNr"> 28 </span> 51/push-ecx +<span id="L29" class="LineNr"> 29 </span> 52/push-edx +<span id="L30" class="LineNr"> 30 </span> <span class="subxComment"># eax = in</span> +<span id="L31" class="LineNr"> 31 </span> 8b/-> *(ebp+8) 0/r32/eax +<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># var start/ecx: (addr byte) = &in->data</span> +<span id="L33" class="LineNr"> 33 </span> 8d/copy-address *(eax+4) 1/r32/ecx +<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># var end/edx: (addr byte) = &in->data[in->size]</span> +<span id="L35" class="LineNr"> 35 </span> 8b/-> *eax 2/r32/edx +<span id="L36" class="LineNr"> 36 </span> 8d/copy-address *(eax+edx+4) 2/r32/edx +<span id="L37" class="LineNr"> 37 </span> <span class="subxComment">#</span> +<span id="L38" class="LineNr"> 38 </span> (<a href='311decimal-int.subx.html#L86'>parse-decimal-int-helper</a> %ecx %edx) <span class="subxComment"># => eax</span> +<span id="L39" class="LineNr"> 39 </span><span class="Constant">$parse-decimal-int:end</span>: +<span id="L40" class="LineNr"> 40 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L41" class="LineNr"> 41 </span> 5a/pop-to-edx +<span id="L42" class="LineNr"> 42 </span> 59/pop-to-ecx +<span id="L43" class="LineNr"> 43 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L44" class="LineNr"> 44 </span> 89/<- %esp 5/r32/ebp +<span id="L45" class="LineNr"> 45 </span> 5d/pop-to-ebp +<span id="L46" class="LineNr"> 46 </span> c3/return +<span id="L47" class="LineNr"> 47 </span> +<span id="L48" class="LineNr"> 48 </span><span class="subxFunction">parse-decimal-int-from-stream</span>: <span class="subxComment"># in: (addr stream byte) -> result/eax: int</span> +<span id="L49" class="LineNr"> 49 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L50" class="LineNr"> 50 </span> 55/push-ebp +<span id="L51" class="LineNr"> 51 </span> 89/<- %ebp 4/r32/esp +<span id="L52" class="LineNr"> 52 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L53" class="LineNr"> 53 </span> 51/push-ecx +<span id="L54" class="LineNr"> 54 </span> 52/push-edx +<span id="L55" class="LineNr"> 55 </span> <span class="subxComment"># eax = in</span> +<span id="L56" class="LineNr"> 56 </span> 8b/-> *(ebp+8) 0/r32/eax +<span id="L57" class="LineNr"> 57 </span> <span class="subxComment"># var start/ecx: (addr byte) = &in->data[in->read]</span> +<span id="L58" class="LineNr"> 58 </span> 8b/-> *(eax+4) 1/r32/ecx +<span id="L59" class="LineNr"> 59 </span> 8d/copy-address *(eax+ecx+0xc) 1/r32/ecx +<span id="L60" class="LineNr"> 60 </span> <span class="subxComment"># var end/edx: (addr byte) = &in->data[in->write]</span> +<span id="L61" class="LineNr"> 61 </span> 8b/-> *eax 2/r32/edx +<span id="L62" class="LineNr"> 62 </span> 8d/copy-address *(eax+edx+0xc) 2/r32/edx +<span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># trim a trailing newline</span> +<span id="L64" class="LineNr"> 64 </span> { +<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># speculatively trim</span> +<span id="L66" class="LineNr"> 66 </span> 4a/decrement-edx +<span id="L67" class="LineNr"> 67 </span> <span class="subxComment"># if it's a newline, break</span> +<span id="L68" class="LineNr"> 68 </span> 8a/byte-> *edx 0/r32/eax +<span id="L69" class="LineNr"> 69 </span> 81 4/subop/and %eax 0xff/imm32 +<span id="L70" class="LineNr"> 70 </span> 3d/compare-eax-and 0xa/imm32/newline +<span id="L71" class="LineNr"> 71 </span> 74/jump-if-= <span class="Constant">break</span>/disp8 +<span id="L72" class="LineNr"> 72 </span> <span class="subxComment"># not a newline, so restore it</span> +<span id="L73" class="LineNr"> 73 </span> 42/increment-edx +<span id="L74" class="LineNr"> 74 </span> } +<span id="L75" class="LineNr"> 75 </span> <span class="subxComment">#</span> +<span id="L76" class="LineNr"> 76 </span> (<a href='311decimal-int.subx.html#L86'>parse-decimal-int-helper</a> %ecx %edx) <span class="subxComment"># => eax</span> +<span id="L77" class="LineNr"> 77 </span><span class="Constant">$parse-decimal-int-from-stream:end</span>: +<span id="L78" class="LineNr"> 78 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L79" class="LineNr"> 79 </span> 5a/pop-to-edx +<span id="L80" class="LineNr"> 80 </span> 59/pop-to-ecx +<span id="L81" class="LineNr"> 81 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L82" class="LineNr"> 82 </span> 89/<- %esp 5/r32/ebp +<span id="L83" class="LineNr"> 83 </span> 5d/pop-to-ebp +<span id="L84" class="LineNr"> 84 </span> c3/return +<span id="L85" class="LineNr"> 85 </span> +<span id="L86" class="LineNr"> 86 </span><span class="subxFunction">parse-decimal-int-helper</span>: <span class="subxComment"># start: (addr byte), end: (addr byte) -> result/eax: int</span> +<span id="L87" class="LineNr"> 87 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L88" class="LineNr"> 88 </span> 55/push-ebp +<span id="L89" class="LineNr"> 89 </span> 89/<- %ebp 4/r32/esp +<span id="L90" class="LineNr"> 90 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L91" class="LineNr"> 91 </span> 51/push-ecx +<span id="L92" class="LineNr"> 92 </span> 52/push-edx +<span id="L93" class="LineNr"> 93 </span> 53/push-ebx +<span id="L94" class="LineNr"> 94 </span> 56/push-esi +<span id="L95" class="LineNr"> 95 </span> 57/push-edi +<span id="L96" class="LineNr"> 96 </span> <span class="subxComment"># var curr/esi: (addr byte) = start</span> +<span id="L97" class="LineNr"> 97 </span> 8b/-> *(ebp+8) 6/r32/esi +<span id="L98" class="LineNr"> 98 </span> <span class="subxComment"># edi = end</span> +<span id="L99" class="LineNr"> 99 </span> 8b/-> *(ebp+0xc) 7/r32/edi +<span id="L100" class="LineNr">100 </span> <span class="subxComment"># var negate?/edx: boolean = false</span> +<span id="L101" class="LineNr">101 </span> ba/copy-to-edx 0/imm32/false +<span id="L102" class="LineNr">102 </span> <span class="subxComment"># if (*curr == '-') ++curr, negate = true</span> +<span id="L103" class="LineNr">103 </span> { +<span id="L104" class="LineNr">104 </span><span class="Constant">$parse-decimal-int-helper:negative</span>: +<span id="L105" class="LineNr">105 </span> b8/copy-to-eax 0/imm32 +<span id="L106" class="LineNr">106 </span> 8a/copy-byte *esi 0/r32/AL +<span id="L107" class="LineNr">107 </span> 3d/compare-eax-and 0x2d/imm32/- +<span id="L108" class="LineNr">108 </span> 75/jump-if-!= <span class="Constant">break</span>/disp8 +<span id="L109" class="LineNr">109 </span> <span class="subxS1Comment"># . ++curr</span> +<span id="L110" class="LineNr">110 </span> 46/increment-esi +<span id="L111" class="LineNr">111 </span> <span class="subxS1Comment"># . negate = true</span> +<span id="L112" class="LineNr">112 </span> ba/copy-to-edx 1/imm32/true +<span id="L113" class="LineNr">113 </span> } +<span id="L114" class="LineNr">114 </span> <span class="subxComment"># spill negate?</span> +<span id="L115" class="LineNr">115 </span> 52/push-edx +<span id="L116" class="LineNr">116 </span> <span class="subxComment"># var result/eax: int = 0</span> +<span id="L117" class="LineNr">117 </span> b8/copy-to-eax 0/imm32 +<span id="L118" class="LineNr">118 </span> <span class="subxComment"># var digit/ecx: int = 0</span> +<span id="L119" class="LineNr">119 </span> b9/copy-to-ecx 0/imm32 +<span id="L120" class="LineNr">120 </span> <span class="subxComment"># const TEN/ebx: int = 10</span> +<span id="L121" class="LineNr">121 </span> bb/copy-to-ebx 0xa/imm32 +<span id="L122" class="LineNr">122 </span> { +<span id="L123" class="LineNr">123 </span><span class="Constant">$parse-decimal-int-helper:loop</span>: +<span id="L124" class="LineNr">124 </span> <span class="subxComment"># if (curr >= in->end) break</span> +<span id="L125" class="LineNr">125 </span> 39/compare %esi 7/r32/edi +<span id="L126" class="LineNr">126 </span> 73/jump-if-addr>= <span class="Constant">break</span>/disp8 +<span id="L127" class="LineNr">127 </span> <span class="subxComment"># if !is-decimal-digit?(*curr) return 0</span> +<span id="L128" class="LineNr">128 </span> 8a/copy-byte *esi 1/r32/CL +<span id="L129" class="LineNr">129 </span> 50/push-eax +<span id="L130" class="LineNr">130 </span> (<a href='126write-int-decimal.subx.html#L299'>is-decimal-digit?</a> %ecx) <span class="subxComment"># => eax</span> +<span id="L131" class="LineNr">131 </span> { +<span id="L132" class="LineNr">132 </span> 3d/compare-eax-and 0/imm32/false +<span id="L133" class="LineNr">133 </span> 75/jump-if-!= <span class="Constant">break</span>/disp8 +<span id="L134" class="LineNr">134 </span> 58/pop-to-eax +<span id="L135" class="LineNr">135 </span> b8/copy-to-eax 0/imm32 +<span id="L136" class="LineNr">136 </span> eb/jump $parse-decimal-int-helper:negate/disp8 +<span id="L137" class="LineNr">137 </span> } +<span id="L138" class="LineNr">138 </span> 58/pop-to-eax +<span id="L139" class="LineNr">139 </span> <span class="subxComment"># digit = from-decimal-char(*curr)</span> +<span id="L140" class="LineNr">140 </span> 81 5/subop/subtract %ecx 0x30/imm32/zero +<span id="L141" class="LineNr">141 </span> <span class="subxComment"># TODO: error checking</span> +<span id="L142" class="LineNr">142 </span> <span class="subxComment"># result = result * 10 + digit</span> +<span id="L143" class="LineNr">143 </span> ba/copy-to-edx 0/imm32 +<span id="L144" class="LineNr">144 </span> f7 4/subop/multiply-into-edx-eax %ebx +<span id="L145" class="LineNr">145 </span> <span class="subxComment"># TODO: check edx for overflow</span> +<span id="L146" class="LineNr">146 </span> 01/add %eax 1/r32/ecx +<span id="L147" class="LineNr">147 </span> <span class="subxComment"># ++curr</span> +<span id="L148" class="LineNr">148 </span> 46/increment-esi +<span id="L149" class="LineNr">149 </span> <span class="subxComment">#</span> +<span id="L150" class="LineNr">150 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L151" class="LineNr">151 </span> } +<span id="L152" class="LineNr">152 </span><span class="Constant">$parse-decimal-int-helper:negate</span>: +<span id="L153" class="LineNr">153 </span> <span class="subxComment"># if (negate?) result = -result</span> +<span id="L154" class="LineNr">154 </span> 5a/pop-to-edx +<span id="L155" class="LineNr">155 </span> { +<span id="L156" class="LineNr">156 </span> 81 7/subop/compare %edx 0/imm32/false +<span id="L157" class="LineNr">157 </span> 74/jump-if-= <span class="Constant">break</span>/disp8 +<span id="L158" class="LineNr">158 </span> f7 3/subop/negate %eax +<span id="L159" class="LineNr">159 </span> } +<span id="L160" class="LineNr">160 </span><span class="Constant">$parse-decimal-int-helper:end</span>: +<span id="L161" class="LineNr">161 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L162" class="LineNr">162 </span> 5f/pop-to-edi +<span id="L163" class="LineNr">163 </span> 5e/pop-to-esi +<span id="L164" class="LineNr">164 </span> 5b/pop-to-ebx +<span id="L165" class="LineNr">165 </span> 5a/pop-to-edx +<span id="L166" class="LineNr">166 </span> 59/pop-to-ecx +<span id="L167" class="LineNr">167 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L168" class="LineNr">168 </span> 89/<- %esp 5/r32/ebp +<span id="L169" class="LineNr">169 </span> 5d/pop-to-ebp +<span id="L170" class="LineNr">170 </span> c3/return +<span id="L171" class="LineNr">171 </span> +<span id="L172" class="LineNr">172 </span><span class="subxTest">test-parse-decimal-int-from-slice-single-digit</span>: +<span id="L173" class="LineNr">173 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L174" class="LineNr">174 </span> 55/push-ebp +<span id="L175" class="LineNr">175 </span> 89/<- %ebp 4/r32/esp +<span id="L176" class="LineNr">176 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L177" class="LineNr">177 </span> 50/push-eax +<span id="L178" class="LineNr">178 </span> 51/push-ecx +<span id="L179" class="LineNr">179 </span> <span class="subxComment"># (eax..ecx) = "3"</span> +<span id="L180" class="LineNr">180 </span> b8/copy-to-eax <span class="Constant">"3"</span>/imm32 +<span id="L181" class="LineNr">181 </span> 8b/-> *eax 1/r32/ecx +<span id="L182" class="LineNr">182 </span> 8d/copy-address *(eax+ecx+4) 1/r32/ecx +<span id="L183" class="LineNr">183 </span> 05/add-to-eax 4/imm32 +<span id="L184" class="LineNr">184 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L185" class="LineNr">185 </span> 51/push-ecx +<span id="L186" class="LineNr">186 </span> 50/push-eax +<span id="L187" class="LineNr">187 </span> 89/<- %ecx 4/r32/esp +<span id="L188" class="LineNr">188 </span> <span class="subxComment">#</span> +<span id="L189" class="LineNr">189 </span> (<a href='311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> %ecx) <span class="subxComment"># => eax</span> +<span id="L190" class="LineNr">190 </span> (<a href='502test.mu.html#L2'>check-ints-equal</a> %eax 3 <span class="Constant">"F - test-parse-decimal-int-from-slice-single-digit"</span>) +<span id="L191" class="LineNr">191 </span><span class="Constant">$test-parse-decimal-int-helper-single-digit:end</span>: +<span id="L192" class="LineNr">192 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L193" class="LineNr">193 </span> 59/pop-to-ecx +<span id="L194" class="LineNr">194 </span> 58/pop-to-eax +<span id="L195" class="LineNr">195 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L196" class="LineNr">196 </span> 89/<- %esp 5/r32/ebp +<span id="L197" class="LineNr">197 </span> 5d/pop-to-ebp +<span id="L198" class="LineNr">198 </span> c3/return +<span id="L199" class="LineNr">199 </span> +<span id="L200" class="LineNr">200 </span><span class="subxTest">test-parse-decimal-int-from-slice-multi-digit</span>: +<span id="L201" class="LineNr">201 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L202" class="LineNr">202 </span> 55/push-ebp +<span id="L203" class="LineNr">203 </span> 89/<- %ebp 4/r32/esp +<span id="L204" class="LineNr">204 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L205" class="LineNr">205 </span> 50/push-eax +<span id="L206" class="LineNr">206 </span> 51/push-ecx +<span id="L207" class="LineNr">207 </span> <span class="subxComment"># (eax..ecx) = "34"</span> +<span id="L208" class="LineNr">208 </span> b8/copy-to-eax <span class="Constant">"34"</span>/imm32 +<span id="L209" class="LineNr">209 </span> 8b/-> *eax 1/r32/ecx +<span id="L210" class="LineNr">210 </span> 8d/copy-address *(eax+ecx+4) 1/r32/ecx +<span id="L211" class="LineNr">211 </span> 05/add-to-eax 4/imm32 +<span id="L212" class="LineNr">212 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L213" class="LineNr">213 </span> 51/push-ecx +<span id="L214" class="LineNr">214 </span> 50/push-eax +<span id="L215" class="LineNr">215 </span> 89/<- %ecx 4/r32/esp +<span id="L216" class="LineNr">216 </span> <span class="subxComment">#</span> +<span id="L217" class="LineNr">217 </span> (<a href='311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> %ecx) <span class="subxComment"># => eax</span> +<span id="L218" class="LineNr">218 </span> (<a href='502test.mu.html#L2'>check-ints-equal</a> %eax 0x22 <span class="Constant">"F - test-parse-decimal-int-from-slice-multi-digit"</span>) <span class="subxComment"># 34 in hex</span> +<span id="L219" class="LineNr">219 </span><span class="Constant">$test-parse-decimal-int-helper-multi-digit:end</span>: +<span id="L220" class="LineNr">220 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L221" class="LineNr">221 </span> 59/pop-to-ecx +<span id="L222" class="LineNr">222 </span> 58/pop-to-eax +<span id="L223" class="LineNr">223 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L224" class="LineNr">224 </span> 89/<- %esp 5/r32/ebp +<span id="L225" class="LineNr">225 </span> 5d/pop-to-ebp +<span id="L226" class="LineNr">226 </span> c3/return +<span id="L227" class="LineNr">227 </span> +<span id="L228" class="LineNr">228 </span><span class="subxTest">test-parse-decimal-int-from-slice-zero</span>: +<span id="L229" class="LineNr">229 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L230" class="LineNr">230 </span> 55/push-ebp +<span id="L231" class="LineNr">231 </span> 89/<- %ebp 4/r32/esp +<span id="L232" class="LineNr">232 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L233" class="LineNr">233 </span> 50/push-eax +<span id="L234" class="LineNr">234 </span> 51/push-ecx +<span id="L235" class="LineNr">235 </span> <span class="subxComment"># (eax..ecx) = "00"</span> +<span id="L236" class="LineNr">236 </span> b8/copy-to-eax <span class="Constant">"00"</span>/imm32 +<span id="L237" class="LineNr">237 </span> 8b/-> *eax 1/r32/ecx +<span id="L238" class="LineNr">238 </span> 8d/copy-address *(eax+ecx+4) 1/r32/ecx +<span id="L239" class="LineNr">239 </span> 05/add-to-eax 4/imm32 +<span id="L240" class="LineNr">240 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L241" class="LineNr">241 </span> 51/push-ecx +<span id="L242" class="LineNr">242 </span> 50/push-eax +<span id="L243" class="LineNr">243 </span> 89/<- %ecx 4/r32/esp +<span id="L244" class="LineNr">244 </span> <span class="subxComment">#</span> +<span id="L245" class="LineNr">245 </span> (<a href='311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> %ecx) <span class="subxComment"># => eax</span> +<span id="L246" class="LineNr">246 </span> (<a href='502test.mu.html#L2'>check-ints-equal</a> %eax 0 <span class="Constant">"F - test-parse-decimal-int-from-slice-zero"</span>) +<span id="L247" class="LineNr">247 </span><span class="Constant">$test-parse-decimal-int-helper-zero:end</span>: +<span id="L248" class="LineNr">248 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L249" class="LineNr">249 </span> 59/pop-to-ecx +<span id="L250" class="LineNr">250 </span> 58/pop-to-eax +<span id="L251" class="LineNr">251 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L252" class="LineNr">252 </span> 89/<- %esp 5/r32/ebp +<span id="L253" class="LineNr">253 </span> 5d/pop-to-ebp +<span id="L254" class="LineNr">254 </span> c3/return +<span id="L255" class="LineNr">255 </span> +<span id="L256" class="LineNr">256 </span><span class="subxTest">test-parse-decimal-int-from-slice-negative</span>: +<span id="L257" class="LineNr">257 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L258" class="LineNr">258 </span> 55/push-ebp +<span id="L259" class="LineNr">259 </span> 89/<- %ebp 4/r32/esp +<span id="L260" class="LineNr">260 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L261" class="LineNr">261 </span> 50/push-eax +<span id="L262" class="LineNr">262 </span> 51/push-ecx +<span id="L263" class="LineNr">263 </span> <span class="subxComment"># (eax..ecx) = "-3"</span> +<span id="L264" class="LineNr">264 </span> b8/copy-to-eax <span class="Constant">"-3"</span>/imm32 +<span id="L265" class="LineNr">265 </span> 8b/-> *eax 1/r32/ecx +<span id="L266" class="LineNr">266 </span> 8d/copy-address *(eax+ecx+4) 1/r32/ecx +<span id="L267" class="LineNr">267 </span> 05/add-to-eax 4/imm32 +<span id="L268" class="LineNr">268 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L269" class="LineNr">269 </span> 51/push-ecx +<span id="L270" class="LineNr">270 </span> 50/push-eax +<span id="L271" class="LineNr">271 </span> 89/<- %ecx 4/r32/esp +<span id="L272" class="LineNr">272 </span> <span class="subxComment">#</span> +<span id="L273" class="LineNr">273 </span> (<a href='311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> %ecx) <span class="subxComment"># => eax</span> +<span id="L274" class="LineNr">274 </span> (<a href='502test.mu.html#L2'>check-ints-equal</a> %eax -3 <span class="Constant">"F - test-parse-decimal-int-from-slice-negative"</span>) +<span id="L275" class="LineNr">275 </span><span class="Constant">$test-parse-decimal-int-helper-negative:end</span>: +<span id="L276" class="LineNr">276 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L277" class="LineNr">277 </span> 59/pop-to-ecx +<span id="L278" class="LineNr">278 </span> 58/pop-to-eax +<span id="L279" class="LineNr">279 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L280" class="LineNr">280 </span> 89/<- %esp 5/r32/ebp +<span id="L281" class="LineNr">281 </span> 5d/pop-to-ebp +<span id="L282" class="LineNr">282 </span> c3/return +<span id="L283" class="LineNr">283 </span> +<span id="L284" class="LineNr">284 </span><span class="subxTest">test-parse-decimal-int-from-slice-multi-digit-negative</span>: +<span id="L285" class="LineNr">285 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L286" class="LineNr">286 </span> 55/push-ebp +<span id="L287" class="LineNr">287 </span> 89/<- %ebp 4/r32/esp +<span id="L288" class="LineNr">288 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L289" class="LineNr">289 </span> 50/push-eax +<span id="L290" class="LineNr">290 </span> 51/push-ecx +<span id="L291" class="LineNr">291 </span> <span class="subxComment"># (eax..ecx) = "-32"</span> +<span id="L292" class="LineNr">292 </span> b8/copy-to-eax <span class="Constant">"-32"</span>/imm32 +<span id="L293" class="LineNr">293 </span> 8b/-> *eax 1/r32/ecx +<span id="L294" class="LineNr">294 </span> 8d/copy-address *(eax+ecx+4) 1/r32/ecx +<span id="L295" class="LineNr">295 </span> 05/add-to-eax 4/imm32 +<span id="L296" class="LineNr">296 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span> +<span id="L297" class="LineNr">297 </span> 51/push-ecx +<span id="L298" class="LineNr">298 </span> 50/push-eax +<span id="L299" class="LineNr">299 </span> 89/<- %ecx 4/r32/esp +<span id="L300" class="LineNr">300 </span> <span class="subxComment">#</span> +<span id="L301" class="LineNr">301 </span> (<a href='311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> %ecx) <span class="subxComment"># => eax</span> +<span id="L302" class="LineNr">302 </span> (<a href='502test.mu.html#L2'>check-ints-equal</a> %eax -0x20 <span class="Constant">"F - test-parse-decimal-int-from-slice-multi-digit-negative"</span>) <span class="subxComment"># -32 in hex</span> +<span id="L303" class="LineNr">303 </span><span class="Constant">$test-parse-decimal-int-helper-multi-digit-negative:end</span>: +<span id="L304" class="LineNr">304 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L305" class="LineNr">305 </span> 59/pop-to-ecx +<span id="L306" class="LineNr">306 </span> 58/pop-to-eax +<span id="L307" class="LineNr">307 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L308" class="LineNr">308 </span> 89/<- %esp 5/r32/ebp +<span id="L309" class="LineNr">309 </span> 5d/pop-to-ebp +<span id="L310" class="LineNr">310 </span> c3/return +<span id="L311" class="LineNr">311 </span> +<span id="L312" class="LineNr">312 </span><span class="subxFunction">decimal-size</span>: <span class="subxComment"># n: int -> result/eax: int</span> +<span id="L313" class="LineNr">313 </span> <span class="subxComment"># pseudocode:</span> +<span id="L314" class="LineNr">314 </span> <span class="subxComment"># edi = 0</span> +<span id="L315" class="LineNr">315 </span> <span class="subxComment"># eax = n</span> +<span id="L316" class="LineNr">316 </span> <span class="subxComment"># if eax < 0</span> +<span id="L317" class="LineNr">317 </span> <span class="subxComment"># ++edi # for '-'</span> +<span id="L318" class="LineNr">318 </span> <span class="subxComment"># negate eax</span> +<span id="L319" class="LineNr">319 </span> <span class="subxComment"># while true</span> +<span id="L320" class="LineNr">320 </span> <span class="subxComment"># edx = 0</span> +<span id="L321" class="LineNr">321 </span> <span class="subxComment"># eax, edx = eax/10, eax%10</span> +<span id="L322" class="LineNr">322 </span> <span class="subxComment"># ++edi</span> +<span id="L323" class="LineNr">323 </span> <span class="subxComment"># if (eax == 0) break</span> +<span id="L324" class="LineNr">324 </span> <span class="subxComment"># eax = edi</span> +<span id="L325" class="LineNr">325 </span> <span class="subxComment">#</span> +<span id="L326" class="LineNr">326 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L327" class="LineNr">327 </span> 55/push-ebp +<span id="L328" class="LineNr">328 </span> 89/<- %ebp 4/r32/esp +<span id="L329" class="LineNr">329 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L330" class="LineNr">330 </span> 51/push-ecx +<span id="L331" class="LineNr">331 </span> 52/push-edx +<span id="L332" class="LineNr">332 </span> 57/push-edi +<span id="L333" class="LineNr">333 </span> <span class="subxComment"># edi = 0</span> +<span id="L334" class="LineNr">334 </span> bf/copy-to-edi 0/imm32 +<span id="L335" class="LineNr">335 </span> <span class="subxComment"># eax = n</span> +<span id="L336" class="LineNr">336 </span> 8b/-> *(ebp+8) 0/r32/eax +<span id="L337" class="LineNr">337 </span> <span class="subxComment"># if (n < 0) negate n, increment edi</span> +<span id="L338" class="LineNr">338 </span> { +<span id="L339" class="LineNr">339 </span> 3d/compare-eax-with 0/imm32 +<span id="L340" class="LineNr">340 </span> 7d/jump-if->= <span class="Constant">break</span>/disp8 +<span id="L341" class="LineNr">341 </span> f7 3/subop/negate %eax +<span id="L342" class="LineNr">342 </span> 47/increment-edi +<span id="L343" class="LineNr">343 </span> } +<span id="L344" class="LineNr">344 </span> <span class="subxComment"># const ten/ecx = 10</span> +<span id="L345" class="LineNr">345 </span> b9/copy-to-ecx 0xa/imm32 +<span id="L346" class="LineNr">346 </span> { +<span id="L347" class="LineNr">347 </span> ba/copy-to-edx 0/imm32 +<span id="L348" class="LineNr">348 </span> f7 7/subop/idiv-edx-eax-by %ecx <span class="subxComment"># eax = edx:eax/10; edx = edx:eax%10</span> +<span id="L349" class="LineNr">349 </span> 47/increment-edi +<span id="L350" class="LineNr">350 </span> 3d/compare-eax-and 0/imm32 +<span id="L351" class="LineNr">351 </span> 75/jump-if-!= <span class="Constant">loop</span>/disp8 +<span id="L352" class="LineNr">352 </span> } +<span id="L353" class="LineNr">353 </span><span class="Constant">$decimal-size:end</span>: +<span id="L354" class="LineNr">354 </span> 89/<- %eax 7/r32/edi +<span id="L355" class="LineNr">355 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L356" class="LineNr">356 </span> 5f/pop-to-edi +<span id="L357" class="LineNr">357 </span> 5a/pop-to-edx +<span id="L358" class="LineNr">358 </span> 59/pop-to-ecx +<span id="L359" class="LineNr">359 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L360" class="LineNr">360 </span> 89/<- %esp 5/r32/ebp +<span id="L361" class="LineNr">361 </span> 5d/pop-to-ebp +<span id="L362" class="LineNr">362 </span> c3/return +<span id="L363" class="LineNr">363 </span> +<span id="L364" class="LineNr">364 </span><span class="subxTest">test-decimal-size-of-zero</span>: +<span id="L365" class="LineNr">365 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L366" class="LineNr">366 </span> 55/push-ebp +<span id="L367" class="LineNr">367 </span> 89/<- %ebp 4/r32/esp +<span id="L368" class="LineNr">368 </span> <span class="subxComment">#</span> +<span id="L369" class="LineNr">369 </span> (<a href='311decimal-int.subx.html#L312'>decimal-size</a> 0) <span class="subxComment"># => eax</span> +<span id="L370" class="LineNr">370 </span> (<a href='502test.mu.html#L2'>check-ints-equal</a> %eax 1 <span class="Constant">"F - test-decimal-size-of-zero"</span>) +<span id="L371" class="LineNr">371 </span><span class="Constant">$test-decimal-size-of-zero:end</span>: +<span id="L372" class="LineNr">372 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L373" class="LineNr">373 </span> 89/<- %esp 5/r32/ebp +<span id="L374" class="LineNr">374 </span> 5d/pop-to-ebp +<span id="L375" class="LineNr">375 </span> c3/return +<span id="L376" class="LineNr">376 </span> +<span id="L377" class="LineNr">377 </span><span class="subxTest">test-decimal-size-single-digit</span>: +<span id="L378" class="LineNr">378 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L379" class="LineNr">379 </span> 55/push-ebp +<span id="L380" class="LineNr">380 </span> 89/<- %ebp 4/r32/esp +<span id="L381" class="LineNr">381 </span> <span class="subxComment">#</span> +<span id="L382" class="LineNr">382 </span> (<a href='311decimal-int.subx.html#L312'>decimal-size</a> 4) <span class="subxComment"># => eax</span> +<span id="L383" class="LineNr">383 </span> (<a href='502test.mu.html#L2'>check-ints-equal</a> %eax 1 <span class="Constant">"F - test-decimal-size-single-digit"</span>) +<span id="L384" class="LineNr">384 </span><span class="Constant">$test-decimal-size-single-digit:end</span>: +<span id="L385" class="LineNr">385 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L386" class="LineNr">386 </span> 89/<- %esp 5/r32/ebp +<span id="L387" class="LineNr">387 </span> 5d/pop-to-ebp +<span id="L388" class="LineNr">388 </span> c3/return +<span id="L389" class="LineNr">389 </span> +<span id="L390" class="LineNr">390 </span><span class="subxTest">test-decimal-size-multi-digit</span>: +<span id="L391" class="LineNr">391 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L392" class="LineNr">392 </span> 55/push-ebp +<span id="L393" class="LineNr">393 </span> 89/<- %ebp 4/r32/esp +<span id="L394" class="LineNr">394 </span> <span class="subxComment">#</span> +<span id="L395" class="LineNr">395 </span> (<a href='311decimal-int.subx.html#L312'>decimal-size</a> 0xa) <span class="subxComment"># => eax</span> +<span id="L396" class="LineNr">396 </span> (<a href='502test.mu.html#L2'>check-ints-equal</a> %eax 2 <span class="Constant">"F - test-decimal-size-multi-digit"</span>) +<span id="L397" class="LineNr">397 </span><span class="Constant">$test-decimal-size-multi-digit:end</span>: +<span id="L398" class="LineNr">398 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L399" class="LineNr">399 </span> 89/<- %esp 5/r32/ebp +<span id="L400" class="LineNr">400 </span> 5d/pop-to-ebp +<span id="L401" class="LineNr">401 </span> c3/return +<span id="L402" class="LineNr">402 </span> +<span id="L403" class="LineNr">403 </span><span class="subxTest">test-decimal-size-single-digit-negative</span>: +<span id="L404" class="LineNr">404 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L405" class="LineNr">405 </span> 55/push-ebp +<span id="L406" class="LineNr">406 </span> 89/<- %ebp 4/r32/esp +<span id="L407" class="LineNr">407 </span> <span class="subxComment">#</span> +<span id="L408" class="LineNr">408 </span> (<a href='311decimal-int.subx.html#L312'>decimal-size</a> -4) <span class="subxComment"># => eax</span> +<span id="L409" class="LineNr">409 </span> (<a href='502test.mu.html#L2'>check-ints-equal</a> %eax 2 <span class="Constant">"F - test-decimal-size-single-digit-negative"</span>) +<span id="L410" class="LineNr">410 </span><span class="Constant">$test-decimal-size-single-digit-negative:end</span>: +<span id="L411" class="LineNr">411 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L412" class="LineNr">412 </span> 89/<- %esp 5/r32/ebp +<span id="L413" class="LineNr">413 </span> 5d/pop-to-ebp +<span id="L414" class="LineNr">414 </span> c3/return +<span id="L415" class="LineNr">415 </span> +<span id="L416" class="LineNr">416 </span><span class="subxTest">test-decimal-size-multi-digit-negative</span>: +<span id="L417" class="LineNr">417 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L418" class="LineNr">418 </span> 55/push-ebp +<span id="L419" class="LineNr">419 </span> 89/<- %ebp 4/r32/esp +<span id="L420" class="LineNr">420 </span> <span class="subxComment">#</span> +<span id="L421" class="LineNr">421 </span> (<a href='311decimal-int.subx.html#L312'>decimal-size</a> -0xa) <span class="subxComment"># => eax</span> +<span id="L422" class="LineNr">422 </span> (<a href='502test.mu.html#L2'>check-ints-equal</a> %eax 3 <span class="Constant">"F - test-decimal-size-multi-digit-negative"</span>) +<span id="L423" class="LineNr">423 </span><span class="Constant">$test-decimal-size-multi-digit-negative:end</span>: +<span id="L424" class="LineNr">424 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L425" class="LineNr">425 </span> 89/<- %esp 5/r32/ebp +<span id="L426" class="LineNr">426 </span> 5d/pop-to-ebp +<span id="L427" class="LineNr">427 </span> c3/return +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> diff --git a/html/baremetal/313index-bounds-check.subx.html b/html/baremetal/313index-bounds-check.subx.html index 2dc4cfc4..48ea8b01 100644 --- a/html/baremetal/313index-bounds-check.subx.html +++ b/html/baremetal/313index-bounds-check.subx.html @@ -54,19 +54,66 @@ if ('onhashchange' in window) { <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/baremetal/313index-bounds-check.subx'>https://github.com/akkartik/mu/blob/main/baremetal/313index-bounds-check.subx</a> <pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># TODO: bring this back</span> -<span id="L2" class="LineNr"> 2 </span> -<span id="L3" class="LineNr"> 3 </span>== code -<span id="L4" class="LineNr"> 4 </span> -<span id="L5" class="LineNr"> 5 </span><span class="subxMinorFunction">__check-mu-array-bounds</span>: <span class="subxComment"># index: int, elem-size: int, arr-size: int, function-name: (addr array byte), array-name: (addr array byte)</span> -<span id="L6" class="LineNr"> 6 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L7" class="LineNr"> 7 </span> 55/push-ebp -<span id="L8" class="LineNr"> 8 </span> 89/<- %ebp 4/r32/esp -<span id="L9" class="LineNr"> 9 </span><span class="Constant">$__check-mu-array-bounds:end</span>: -<span id="L10" class="LineNr">10 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L11" class="LineNr">11 </span> 89/<- %esp 5/r32/ebp -<span id="L12" class="LineNr">12 </span> 5d/pop-to-ebp -<span id="L13" class="LineNr">13 </span> c3/return +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Helper to check an array's bounds, and to abort if they're violated.</span> +<span id="L2" class="LineNr"> 2 </span><span class="subxComment"># Really only intended to be called from code generated by mu.subx.</span> +<span id="L3" class="LineNr"> 3 </span> +<span id="L4" class="LineNr"> 4 </span>== code +<span id="L5" class="LineNr"> 5 </span> +<span id="L6" class="LineNr"> 6 </span><span class="subxMinorFunction">__check-mu-array-bounds</span>: <span class="subxComment"># index: int, elem-size: int, arr-size: int, function-name: (addr array byte), array-name: (addr array byte)</span> +<span id="L7" class="LineNr"> 7 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L8" class="LineNr"> 8 </span> 55/push-ebp +<span id="L9" class="LineNr"> 9 </span> 89/<- %ebp 4/r32/esp +<span id="L10" class="LineNr">10 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L11" class="LineNr">11 </span> 50/push-eax +<span id="L12" class="LineNr">12 </span> 51/push-ecx +<span id="L13" class="LineNr">13 </span> 52/push-edx +<span id="L14" class="LineNr">14 </span> <span class="subxS1Comment"># . not bothering saving ebx; it's only clobbered if we're going to abort</span> +<span id="L15" class="LineNr">15 </span> <span class="subxComment"># ecx = arr-size</span> +<span id="L16" class="LineNr">16 </span> 8b/-> *(ebp+0x10) 1/r32/ecx +<span id="L17" class="LineNr">17 </span> <span class="subxComment"># var overflow/edx: int = 0</span> +<span id="L18" class="LineNr">18 </span> ba/copy-to-edx 0/imm32 +<span id="L19" class="LineNr">19 </span> <span class="subxComment"># var offset/eax: int = index * elem-size</span> +<span id="L20" class="LineNr">20 </span> 8b/-> *(ebp+8) 0/r32/eax +<span id="L21" class="LineNr">21 </span> f7 4/subop/multiply-eax-with *(ebp+0xc) +<span id="L22" class="LineNr">22 </span> <span class="subxComment"># check for overflow</span> +<span id="L23" class="LineNr">23 </span> 81 7/subop/compare %edx 0/imm32 +<span id="L24" class="LineNr">24 </span> 0f 85/jump-if-!= <a href='313index-bounds-check.subx.html#L6'>__check-mu-array-bounds</a>:overflow/disp32 +<span id="L25" class="LineNr">25 </span> <span class="subxComment"># check bounds</span> +<span id="L26" class="LineNr">26 </span> 39/compare %eax 1/r32/ecx +<span id="L27" class="LineNr">27 </span> 0f 82/jump-if-unsigned< $__check-mu-array-bounds:end/disp32 <span class="subxComment"># negative index should always abort</span> +<span id="L28" class="LineNr">28 </span> <span class="subxComment"># abort if necessary</span> +<span id="L29" class="LineNr">29 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"fn "</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L30" class="LineNr">30 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0x14) 3) <span class="subxComment"># 3=cyan</span> +<span id="L31" class="LineNr">31 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">": offset "</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L32" class="LineNr">32 </span> (<a href='501draw-text.mu.html#L285'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 %eax 3) <span class="subxComment"># 3=cyan</span> +<span id="L33" class="LineNr">33 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">" is too large for array '"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L34" class="LineNr">34 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0x18) 3) <span class="subxComment"># 3=cyan</span> +<span id="L35" class="LineNr">35 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"'"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L36" class="LineNr">36 </span> { +<span id="L37" class="LineNr">37 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L38" class="LineNr">38 </span> } +<span id="L39" class="LineNr">39 </span> <span class="subxComment"># never gets here</span> +<span id="L40" class="LineNr">40 </span><span class="Constant">$__check-mu-array-bounds:end</span>: +<span id="L41" class="LineNr">41 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L42" class="LineNr">42 </span> 5a/pop-to-edx +<span id="L43" class="LineNr">43 </span> 59/pop-to-ecx +<span id="L44" class="LineNr">44 </span> 58/pop-to-eax +<span id="L45" class="LineNr">45 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L46" class="LineNr">46 </span> 89/<- %esp 5/r32/ebp +<span id="L47" class="LineNr">47 </span> 5d/pop-to-ebp +<span id="L48" class="LineNr">48 </span> c3/return +<span id="L49" class="LineNr">49 </span> +<span id="L50" class="LineNr">50 </span><span class="subxMinorFunction">__check-mu-array-bounds:overflow</span>: +<span id="L51" class="LineNr">51 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"fn "</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L52" class="LineNr">52 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0x14) 3) <span class="subxComment"># 3=cyan</span> +<span id="L53" class="LineNr">53 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">": offset to array '"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L54" class="LineNr">54 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"offset to array overflowed 32 bits"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L55" class="LineNr">55 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 *(ebp+0x18) 3) <span class="subxComment"># 3=cyan</span> +<span id="L56" class="LineNr">56 </span> (<a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> 0 <span class="Constant">"' overflowed 32 bits"</span> 3) <span class="subxComment"># 3=cyan</span> +<span id="L57" class="LineNr">57 </span> { +<span id="L58" class="LineNr">58 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L59" class="LineNr">59 </span> } +<span id="L60" class="LineNr">60 </span> <span class="subxComment"># never gets here</span> </pre> </body> </html> diff --git a/html/baremetal/400.mu.html b/html/baremetal/400.mu.html index 67aed2ec..7d2d49c5 100644 --- a/html/baremetal/400.mu.html +++ b/html/baremetal/400.mu.html @@ -54,25 +54,64 @@ if ('onhashchange' in window) { <a href='https://github.com/akkartik/mu/blob/main/baremetal/400.mu'>https://github.com/akkartik/mu/blob/main/baremetal/400.mu</a> <pre id='vimCodeElement'> <span id="L1" class="LineNr"> 1 </span><span class="muComment"># screen</span> -<span id="L2" class="LineNr"> 2 </span><span class="PreProc">sig</span> <a href='101screen.subx.html#L5'>pixel</a> screen: (addr screen), x: int, y: int, color: int -<span id="L3" class="LineNr"> 3 </span><span class="PreProc">sig</span> <a href='103grapheme.subx.html#L5'>draw-grapheme</a> screen: (addr screen), g: grapheme, x: int, y: int, color: int -<span id="L4" class="LineNr"> 4 </span><span class="PreProc">sig</span> <a href='103grapheme.subx.html#L77'>cursor-position</a> screen: (addr screen)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int -<span id="L5" class="LineNr"> 5 </span><span class="PreProc">sig</span> <a href='103grapheme.subx.html#L90'>set-cursor-position</a> screen: (addr screen), x: int, y: int -<span id="L6" class="LineNr"> 6 </span> -<span id="L7" class="LineNr"> 7 </span><span class="muComment"># keyboard</span> -<span id="L8" class="LineNr"> 8 </span><span class="PreProc">sig</span> <a href='102keyboard.subx.html#L6'>read-key</a> kbd: (addr keyboard)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: byte -<span id="L9" class="LineNr"> 9 </span> -<span id="L10" class="LineNr">10 </span><span class="muComment"># tests</span> -<span id="L11" class="LineNr">11 </span><span class="PreProc">sig</span> <a href='104test.subx.html#L5'>count-test-failure</a> -<span id="L12" class="LineNr">12 </span><span class="PreProc">sig</span> <a href='104test.subx.html#L17'>num-test-failures</a><span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int -<span id="L13" class="LineNr">13 </span> -<span id="L14" class="LineNr">14 </span><span class="muComment"># streams</span> -<span id="L15" class="LineNr">15 </span><span class="PreProc">sig</span> <a href='106stream.subx.html#L17'>clear-stream</a> f: (addr stream _) -<span id="L16" class="LineNr">16 </span><span class="PreProc">sig</span> <a href='106stream.subx.html#L56'>rewind-stream</a> f: (addr stream _) -<span id="L17" class="LineNr">17 </span><span class="PreProc">sig</span> <a href='108write.subx.html#L6'>write</a> f: (addr stream byte), s: (addr array byte) -<span id="L18" class="LineNr">18 </span><span class="PreProc">sig</span> <a href='115write-byte.subx.html#L7'>append-byte</a> f: (addr stream byte), n: int -<span id="L19" class="LineNr">19 </span><span class="PreProc">sig</span> <a href='112read-byte.subx.html#L10'>read-byte</a> s: (addr stream byte)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: byte -<span id="L20" class="LineNr">20 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L6'>stream-empty?</a> s: (addr stream _)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean +<span id="L2" class="LineNr"> 2 </span><span class="PreProc">sig</span> <a href='101screen.subx.html#L8'>pixel-on-real-screen</a> x: int, y: int, color: int +<span id="L3" class="LineNr"> 3 </span><span class="PreProc">sig</span> <a href='103grapheme.subx.html#L15'>draw-grapheme-on-real-screen</a> g: grapheme, x: int, y: int, color: int, background-color: int +<span id="L4" class="LineNr"> 4 </span><span class="PreProc">sig</span> <a href='103grapheme.subx.html#L94'>cursor-position-on-real-screen</a><span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int +<span id="L5" class="LineNr"> 5 </span><span class="PreProc">sig</span> <a href='103grapheme.subx.html#L107'>set-cursor-position-on-real-screen</a> x: int, y: int +<span id="L6" class="LineNr"> 6 </span><span class="PreProc">sig</span> <a href='103grapheme.subx.html#L131'>show-cursor-on-real-screen</a> g: grapheme +<span id="L7" class="LineNr"> 7 </span> +<span id="L8" class="LineNr"> 8 </span><span class="muComment"># keyboard</span> +<span id="L9" class="LineNr"> 9 </span><span class="PreProc">sig</span> <a href='102keyboard.subx.html#L9'>read-key</a> kbd: (addr keyboard)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: byte +<span id="L10" class="LineNr">10 </span> +<span id="L11" class="LineNr">11 </span><span class="muComment"># tests</span> +<span id="L12" class="LineNr">12 </span><span class="PreProc">sig</span> <a href='104test.subx.html#L5'>count-test-failure</a> +<span id="L13" class="LineNr">13 </span><span class="PreProc">sig</span> <a href='104test.subx.html#L17'>num-test-failures</a><span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int +<span id="L14" class="LineNr">14 </span> +<span id="L15" class="LineNr">15 </span><span class="muComment"># streams</span> +<span id="L16" class="LineNr">16 </span><span class="PreProc">sig</span> <a href='106stream.subx.html#L20'>clear-stream</a> f: (addr stream _) +<span id="L17" class="LineNr">17 </span><span class="PreProc">sig</span> <a href='106stream.subx.html#L59'>rewind-stream</a> f: (addr stream _) +<span id="L18" class="LineNr">18 </span><span class="PreProc">sig</span> <a href='108write.subx.html#L11'>write</a> f: (addr stream byte), s: (addr array byte) +<span id="L19" class="LineNr">19 </span><span class="PreProc">sig</span> <a href='112read-byte.subx.html#L13'>read-byte</a> s: (addr stream byte)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: byte +<span id="L20" class="LineNr">20 </span><span class="PreProc">sig</span> <a href='115write-byte.subx.html#L12'>append-byte</a> f: (addr stream byte), n: int +<span id="L21" class="LineNr">21 </span><span class="muComment">#sig to-hex-char in/eax: int -> out/eax: int</span> +<span id="L22" class="LineNr">22 </span><span class="PreProc">sig</span> <a href='117write-int-hex.subx.html#L21'>append-byte-hex</a> f: (addr stream byte), n: int +<span id="L23" class="LineNr">23 </span><span class="PreProc">sig</span> <a href='117write-int-hex.subx.html#L92'>write-int32-hex</a> f: (addr stream byte), n: int +<span id="L24" class="LineNr">24 </span><span class="PreProc">sig</span> <a href='117write-int-hex.subx.html#L123'>write-int32-hex-bits</a> f: (addr stream byte), n: int, bits: int +<span id="L25" class="LineNr">25 </span><span class="PreProc">sig</span> is-hex-int? in: (addr slice)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean +<span id="L26" class="LineNr">26 </span><span class="PreProc">sig</span> parse-hex-int in: (addr array byte)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int +<span id="L27" class="LineNr">27 </span><span class="PreProc">sig</span> parse-hex-int-from-slice in: (addr slice)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int +<span id="L28" class="LineNr">28 </span><span class="muComment">#sig parse-hex-int-helper start: (addr byte), end: (addr byte) -> _/eax: int</span> +<span id="L29" class="LineNr">29 </span><span class="PreProc">sig</span> is-hex-digit? c: byte<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean +<span id="L30" class="LineNr">30 </span><span class="muComment">#sig from-hex-char in/eax: byte -> out/eax: nibble</span> +<span id="L31" class="LineNr">31 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L23'>parse-decimal-int</a> in: (addr array byte)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int +<span id="L32" class="LineNr">32 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> in: (addr slice)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int +<span id="L33" class="LineNr">33 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L48'>parse-decimal-int-from-stream</a> in: (addr stream byte)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int +<span id="L34" class="LineNr">34 </span><span class="muComment">#sig parse-decimal-int-helper start: (addr byte), end: (addr byte) -> _/eax: int</span> +<span id="L35" class="LineNr">35 </span><span class="PreProc">sig</span> <a href='311decimal-int.subx.html#L312'>decimal-size</a> n: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int +<span id="L36" class="LineNr">36 </span><span class="muComment">#sig allocate ad: (addr allocation-descriptor), n: int, out: (addr handle _)</span> +<span id="L37" class="LineNr">37 </span><span class="muComment">#sig allocate-raw ad: (addr allocation-descriptor), n: int, out: (addr handle _)</span> +<span id="L38" class="LineNr">38 </span><span class="PreProc">sig</span> <a href='120allocate.subx.html#L226'>lookup</a> h: (handle _T)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: (addr _T) +<span id="L39" class="LineNr">39 </span><span class="PreProc">sig</span> <a href='120allocate.subx.html#L424'>handle-equal?</a> a: (handle _T), b: (handle _T)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean +<span id="L40" class="LineNr">40 </span><span class="PreProc">sig</span> <a href='120allocate.subx.html#L455'>copy-handle</a> src: (handle _T), dest: (addr handle _T) +<span id="L41" class="LineNr">41 </span><span class="muComment">#sig allocate-region ad: (addr allocation-descriptor), n: int, out: (addr handle allocation-descriptor)</span> +<span id="L42" class="LineNr">42 </span><span class="muComment">#sig allocate-array ad: (addr allocation-descriptor), n: int, out: (addr handle _)</span> +<span id="L43" class="LineNr">43 </span><span class="PreProc">sig</span> <a href='120allocate.subx.html#L669'>copy-array</a> ad: (addr allocation-descriptor), src: (addr array _T), out: (addr handle array _T) +<span id="L44" class="LineNr">44 </span><span class="muComment">#sig zero-out start: (addr byte), size: int</span> +<span id="L45" class="LineNr">45 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L9'>slice-empty?</a> s: (addr slice)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean +<span id="L46" class="LineNr">46 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L120'>slice-equal?</a> s: (addr slice), p: (addr array byte)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean +<span id="L47" class="LineNr">47 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L487'>slice-starts-with?</a> s: (addr slice), head: (addr array byte)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean +<span id="L48" class="LineNr">48 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L793'>write-slice</a> out: (addr stream byte), s: (addr slice) +<span id="L49" class="LineNr">49 </span><span class="muComment"># bad name alert</span> +<span id="L50" class="LineNr">50 </span><span class="PreProc">sig</span> <a href='123slice.subx.html#L901'>slice-to-string</a> ad: (addr allocation-descriptor), in: (addr slice), out: (addr handle array byte) +<span id="L51" class="LineNr">51 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L8'>write-int32-decimal</a> out: (addr stream byte), n: int +<span id="L52" class="LineNr">52 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L299'>is-decimal-digit?</a> c: grapheme<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean +<span id="L53" class="LineNr">53 </span><span class="PreProc">sig</span> <a href='126write-int-decimal.subx.html#L398'>to-decimal-digit</a> in: grapheme<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int +<span id="L54" class="LineNr">54 </span><span class="muComment"># bad name alert</span> +<span id="L55" class="LineNr">55 </span><span class="muComment"># next-word really tokenizes</span> +<span id="L56" class="LineNr">56 </span><span class="muComment"># next-raw-word really reads whitespace-separated words</span> +<span id="L57" class="LineNr">57 </span><span class="PreProc">sig</span> <a href='127next-word.subx.html#L11'>next-word</a> line: (addr stream byte), out: (addr slice) <span class="muComment"># skips '#' comments</span> +<span id="L58" class="LineNr">58 </span><span class="PreProc">sig</span> <a href='127next-word.subx.html#L306'>next-raw-word</a> line: (addr stream byte), out: (addr slice) <span class="muComment"># does not skip '#' comments</span> +<span id="L59" class="LineNr">59 </span><span class="PreProc">sig</span> <a href='309stream.subx.html#L6'>stream-empty?</a> s: (addr stream _)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean </pre> </body> </html> diff --git a/html/baremetal/403unicode.mu.html b/html/baremetal/403unicode.mu.html index 1b70148c..81caf261 100644 --- a/html/baremetal/403unicode.mu.html +++ b/html/baremetal/403unicode.mu.html @@ -155,7 +155,7 @@ if ('onhashchange' in window) { <span id="L97" class="LineNr"> 97 </span> <span class="PreProc">break-if-=</span> <span id="L98" class="LineNr"> 98 </span> <span class="PreProc">return</span> <span class="Constant">0xffffffff</span> <span id="L99" class="LineNr"> 99 </span> <span class="Delimiter">}</span> -<span id="L100" class="LineNr">100 </span> <span class="PreProc">var</span> c/<span class="Constant">eax</span>: byte <span class="SpecialChar"><-</span> <a href='112read-byte.subx.html#L10'>read-byte</a> in +<span id="L100" class="LineNr">100 </span> <span class="PreProc">var</span> c/<span class="Constant">eax</span>: byte <span class="SpecialChar"><-</span> <a href='112read-byte.subx.html#L13'>read-byte</a> in <span id="L101" class="LineNr">101 </span> <span class="PreProc">var</span> num-trailers/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> <span id="L102" class="LineNr">102 </span> $read-grapheme:compute-length: <span class="Delimiter">{</span> <span id="L103" class="LineNr">103 </span> <span class="muComment"># single byte: just return it</span> @@ -201,7 +201,7 @@ if ('onhashchange' in window) { <span id="L143" class="LineNr">143 </span> <span class="Delimiter">{</span> <span id="L144" class="LineNr">144 </span> compare num-trailers, <span class="Constant">0</span> <span id="L145" class="LineNr">145 </span> <span class="PreProc">break-if-<=</span> -<span id="L146" class="LineNr">146 </span> <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: byte <span class="SpecialChar"><-</span> <a href='112read-byte.subx.html#L10'>read-byte</a> in +<span id="L146" class="LineNr">146 </span> <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: byte <span class="SpecialChar"><-</span> <a href='112read-byte.subx.html#L13'>read-byte</a> in <span id="L147" class="LineNr">147 </span> <span class="PreProc">var</span> tmp2/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy tmp <span id="L148" class="LineNr">148 </span> tmp2 <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L159'>shift-left-bytes</a> tmp2, num-byte-shifts <span id="L149" class="LineNr">149 </span> result <span class="SpecialChar"><-</span> or tmp2 @@ -234,19 +234,19 @@ if ('onhashchange' in window) { <span id="L176" class="LineNr">176 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='403unicode.mu.html#L176'>write-grapheme</a></span> out: (addr stream byte), g: grapheme <span class="Delimiter">{</span> <span id="L177" class="LineNr">177 </span>$write-grapheme:body: <span class="Delimiter">{</span> <span id="L178" class="LineNr">178 </span> <span class="PreProc">var</span> c/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy g -<span id="L179" class="LineNr">179 </span> <a href='115write-byte.subx.html#L7'>append-byte</a> out, c <span class="muComment"># first byte is always written</span> +<span id="L179" class="LineNr">179 </span> <a href='115write-byte.subx.html#L12'>append-byte</a> out, c <span class="muComment"># first byte is always written</span> <span id="L180" class="LineNr">180 </span> c <span class="SpecialChar"><-</span> shift-right <span class="Constant">8</span> <span id="L181" class="LineNr">181 </span> compare c, <span class="Constant">0</span> <span id="L182" class="LineNr">182 </span> <span class="PreProc">break-if-=</span> $write-grapheme:body -<span id="L183" class="LineNr">183 </span> <a href='115write-byte.subx.html#L7'>append-byte</a> out, c +<span id="L183" class="LineNr">183 </span> <a href='115write-byte.subx.html#L12'>append-byte</a> out, c <span id="L184" class="LineNr">184 </span> c <span class="SpecialChar"><-</span> shift-right <span class="Constant">8</span> <span id="L185" class="LineNr">185 </span> compare c, <span class="Constant">0</span> <span id="L186" class="LineNr">186 </span> <span class="PreProc">break-if-=</span> $write-grapheme:body -<span id="L187" class="LineNr">187 </span> <a href='115write-byte.subx.html#L7'>append-byte</a> out, c +<span id="L187" class="LineNr">187 </span> <a href='115write-byte.subx.html#L12'>append-byte</a> out, c <span id="L188" class="LineNr">188 </span> c <span class="SpecialChar"><-</span> shift-right <span class="Constant">8</span> <span id="L189" class="LineNr">189 </span> compare c, <span class="Constant">0</span> <span id="L190" class="LineNr">190 </span> <span class="PreProc">break-if-=</span> $write-grapheme:body -<span id="L191" class="LineNr">191 </span> <a href='115write-byte.subx.html#L7'>append-byte</a> out, c +<span id="L191" class="LineNr">191 </span> <a href='115write-byte.subx.html#L12'>append-byte</a> out, c <span id="L192" class="LineNr">192 </span><span class="Delimiter">}</span> <span id="L193" class="LineNr">193 </span><span class="Delimiter">}</span> </pre> diff --git a/html/baremetal/500text-screen.mu.html b/html/baremetal/500text-screen.mu.html new file mode 100644 index 00000000..0f28c86d --- /dev/null +++ b/html/baremetal/500text-screen.mu.html @@ -0,0 +1,324 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - baremetal/500text-screen.mu</title> +<meta name="Generator" content="Vim/8.1"> +<meta name="plugin-version" content="vim8.1_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.PreProc { color: #c000c0; } +.LineNr { } +.Constant { color: #008787; } +.SpecialChar { color: #d70000; } +.Delimiter { color: #c000c0; } +.muFunction { color: #af5f00; text-decoration: underline; } +.muComment { color: #005faf; } +--> +</style> + +<script type='text/javascript'> +<!-- + +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + var lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + +--> +</script> +</head> +<body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/main/baremetal/500text-screen.mu'>https://github.com/akkartik/mu/blob/main/baremetal/500text-screen.mu</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Testable primitives for writing text to screen.</span> +<span id="L2" class="LineNr"> 2 </span><span class="muComment"># (Mu doesn't yet have testable primitives for graphics.)</span> +<span id="L3" class="LineNr"> 3 </span><span class="muComment">#</span> +<span id="L4" class="LineNr"> 4 </span><span class="muComment"># Unlike the top-level, this text mode has no scrolling.</span> +<span id="L5" class="LineNr"> 5 </span> +<span id="L6" class="LineNr"> 6 </span><span class="muComment"># coordinates here don't match top-level</span> +<span id="L7" class="LineNr"> 7 </span><span class="muComment"># Here we're consistent with graphics mode. Top-level is consistent with</span> +<span id="L8" class="LineNr"> 8 </span><span class="muComment"># terminal emulators.</span> +<span id="L9" class="LineNr"> 9 </span><span class="PreProc">type</span> <a href='500text-screen.mu.html#L9'>screen</a> <span class="Delimiter">{</span> +<span id="L10" class="LineNr"> 10 </span> width: int +<span id="L11" class="LineNr"> 11 </span> height: int +<span id="L12" class="LineNr"> 12 </span> data: (handle array <a href='500text-screen.mu.html#L17'>screen-cell</a>) +<span id="L13" class="LineNr"> 13 </span> cursor-x: int +<span id="L14" class="LineNr"> 14 </span> cursor-y: int +<span id="L15" class="LineNr"> 15 </span><span class="Delimiter">}</span> +<span id="L16" class="LineNr"> 16 </span> +<span id="L17" class="LineNr"> 17 </span><span class="PreProc">type</span> <a href='500text-screen.mu.html#L17'>screen-cell</a> <span class="Delimiter">{</span> +<span id="L18" class="LineNr"> 18 </span> data: grapheme +<span id="L19" class="LineNr"> 19 </span> color: int +<span id="L20" class="LineNr"> 20 </span><span class="Delimiter">}</span> +<span id="L21" class="LineNr"> 21 </span> +<span id="L22" class="LineNr"> 22 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500text-screen.mu.html#L22'>initialize-screen</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), width: int, height: int <span class="Delimiter">{</span> +<span id="L23" class="LineNr"> 23 </span> <span class="PreProc">var</span> screen-addr/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> copy <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L24" class="LineNr"> 24 </span> <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L25" class="LineNr"> 25 </span> <span class="PreProc">var</span> dest/<span class="Constant">edi</span>: (addr int) <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L26" class="LineNr"> 26 </span> <span class="muComment"># screen->width = width</span> +<span id="L27" class="LineNr"> 27 </span> dest <span class="SpecialChar"><-</span> get screen-addr, width +<span id="L28" class="LineNr"> 28 </span> tmp <span class="SpecialChar"><-</span> copy width +<span id="L29" class="LineNr"> 29 </span> copy-to *dest, tmp +<span id="L30" class="LineNr"> 30 </span> <span class="muComment"># screen->height = height</span> +<span id="L31" class="LineNr"> 31 </span> dest <span class="SpecialChar"><-</span> get screen-addr, height +<span id="L32" class="LineNr"> 32 </span> tmp <span class="SpecialChar"><-</span> copy height +<span id="L33" class="LineNr"> 33 </span> copy-to *dest, tmp +<span id="L34" class="LineNr"> 34 </span> <span class="muComment"># screen->data = new screen-cell[width*height]</span> +<span id="L35" class="LineNr"> 35 </span> <span class="Delimiter">{</span> +<span id="L36" class="LineNr"> 36 </span> <span class="PreProc">var</span> data-addr/<span class="Constant">edi</span>: (addr handle array <a href='500text-screen.mu.html#L17'>screen-cell</a>) <span class="SpecialChar"><-</span> get screen-addr, data +<span id="L37" class="LineNr"> 37 </span> tmp <span class="SpecialChar"><-</span> multiply width +<span id="L38" class="LineNr"> 38 </span> populate data-addr, tmp +<span id="L39" class="LineNr"> 39 </span> <span class="Delimiter">}</span> +<span id="L40" class="LineNr"> 40 </span> <span class="muComment"># screen->cursor-x = 0</span> +<span id="L41" class="LineNr"> 41 </span> dest <span class="SpecialChar"><-</span> get screen-addr, cursor-x +<span id="L42" class="LineNr"> 42 </span> copy-to *dest, <span class="Constant">0</span> +<span id="L43" class="LineNr"> 43 </span> <span class="muComment"># screen->cursor-y = 0</span> +<span id="L44" class="LineNr"> 44 </span> dest <span class="SpecialChar"><-</span> get screen-addr, cursor-y +<span id="L45" class="LineNr"> 45 </span> copy-to *dest, <span class="Constant">0</span> +<span id="L46" class="LineNr"> 46 </span><span class="Delimiter">}</span> +<span id="L47" class="LineNr"> 47 </span> +<span id="L48" class="LineNr"> 48 </span><span class="muComment"># in graphemes</span> +<span id="L49" class="LineNr"> 49 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500text-screen.mu.html#L49'>screen-size</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L50" class="LineNr"> 50 </span> <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L51" class="LineNr"> 51 </span> <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L52" class="LineNr"> 52 </span> compare <a href='500text-screen.mu.html#L9'>screen</a>, <span class="Constant">0</span> +<span id="L53" class="LineNr"> 53 </span> <span class="Delimiter">{</span> +<span id="L54" class="LineNr"> 54 </span> <span class="PreProc">break-if-!=</span> +<span id="L55" class="LineNr"> 55 </span> <span class="PreProc">return</span> <span class="Constant">0x80</span>, <span class="Constant">0x30</span> <span class="muComment"># 128x48</span> +<span id="L56" class="LineNr"> 56 </span> <span class="Delimiter">}</span> +<span id="L57" class="LineNr"> 57 </span> <span class="muComment"># fake screen</span> +<span id="L58" class="LineNr"> 58 </span> <span class="PreProc">var</span> screen-addr/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> copy <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L59" class="LineNr"> 59 </span> <span class="PreProc">var</span> tmp/<span class="Constant">edx</span>: (addr int) <span class="SpecialChar"><-</span> get screen-addr, width +<span id="L60" class="LineNr"> 60 </span> width <span class="SpecialChar"><-</span> copy *tmp +<span id="L61" class="LineNr"> 61 </span> tmp <span class="SpecialChar"><-</span> get screen-addr, height +<span id="L62" class="LineNr"> 62 </span> height <span class="SpecialChar"><-</span> copy *tmp +<span id="L63" class="LineNr"> 63 </span> <span class="PreProc">return</span> width, height +<span id="L64" class="LineNr"> 64 </span><span class="Delimiter">}</span> +<span id="L65" class="LineNr"> 65 </span> +<span id="L66" class="LineNr"> 66 </span><span class="muComment"># testable screen primitive</span> +<span id="L67" class="LineNr"> 67 </span><span class="muComment"># background color isn't configurable yet</span> +<span id="L68" class="LineNr"> 68 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500text-screen.mu.html#L68'>draw-grapheme</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), g: grapheme, x: int, y: int, color: int <span class="Delimiter">{</span> +<span id="L69" class="LineNr"> 69 </span> <span class="Delimiter">{</span> +<span id="L70" class="LineNr"> 70 </span> compare <a href='500text-screen.mu.html#L9'>screen</a>, <span class="Constant">0</span> +<span id="L71" class="LineNr"> 71 </span> <span class="PreProc">break-if-!=</span> +<span id="L72" class="LineNr"> 72 </span> <a href='103grapheme.subx.html#L15'>draw-grapheme-on-real-screen</a> g, x, y, color, <span class="Constant">0</span> +<span id="L73" class="LineNr"> 73 </span> <span class="PreProc">return</span> +<span id="L74" class="LineNr"> 74 </span> <span class="Delimiter">}</span> +<span id="L75" class="LineNr"> 75 </span> <span class="muComment"># fake screen</span> +<span id="L76" class="LineNr"> 76 </span> <span class="PreProc">var</span> screen-addr/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> copy <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L77" class="LineNr"> 77 </span> <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L90'>screen-cell-index</a> screen-addr, x, y +<span id="L78" class="LineNr"> 78 </span> <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array <a href='500text-screen.mu.html#L17'>screen-cell</a>) <span class="SpecialChar"><-</span> get screen-addr, data +<span id="L79" class="LineNr"> 79 </span> <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array <a href='500text-screen.mu.html#L17'>screen-cell</a>) <span class="SpecialChar"><-</span> <a href='120allocate.subx.html#L226'>lookup</a> *data-ah +<span id="L80" class="LineNr"> 80 </span> <span class="PreProc">var</span> offset/<span class="Constant">ecx</span>: (offset <a href='500text-screen.mu.html#L17'>screen-cell</a>) <span class="SpecialChar"><-</span> compute-offset data, idx +<span id="L81" class="LineNr"> 81 </span> <span class="PreProc">var</span> dest-cell/<span class="Constant">ecx</span>: (addr <a href='500text-screen.mu.html#L17'>screen-cell</a>) <span class="SpecialChar"><-</span> index data, offset +<span id="L82" class="LineNr"> 82 </span> <span class="PreProc">var</span> dest-grapheme/<span class="Constant">eax</span>: (addr grapheme) <span class="SpecialChar"><-</span> get dest-cell, data +<span id="L83" class="LineNr"> 83 </span> <span class="PreProc">var</span> g2/<span class="Constant">edx</span>: grapheme <span class="SpecialChar"><-</span> copy g +<span id="L84" class="LineNr"> 84 </span> copy-to *dest-grapheme, g2 +<span id="L85" class="LineNr"> 85 </span> <span class="PreProc">var</span> dest-color/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar"><-</span> get dest-cell, color +<span id="L86" class="LineNr"> 86 </span> <span class="PreProc">var</span> color2/<span class="Constant">edx</span>: grapheme <span class="SpecialChar"><-</span> copy color +<span id="L87" class="LineNr"> 87 </span> copy-to *dest-color, color2 +<span id="L88" class="LineNr"> 88 </span><span class="Delimiter">}</span> +<span id="L89" class="LineNr"> 89 </span> +<span id="L90" class="LineNr"> 90 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500text-screen.mu.html#L90'>screen-cell-index</a></span> screen-on-stack: (addr <a href='500text-screen.mu.html#L9'>screen</a>), x: int, y: int<span class="PreProc"> -> </span>_/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L91" class="LineNr"> 91 </span> <span class="PreProc">var</span> <a href='500text-screen.mu.html#L9'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> copy screen-on-stack +<span id="L92" class="LineNr"> 92 </span> <span class="PreProc">var</span> height-addr/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar"><-</span> get <a href='500text-screen.mu.html#L9'>screen</a>, height +<span id="L93" class="LineNr"> 93 </span> <span class="PreProc">var</span> result/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy y +<span id="L94" class="LineNr"> 94 </span> result <span class="SpecialChar"><-</span> multiply *height-addr +<span id="L95" class="LineNr"> 95 </span> result <span class="SpecialChar"><-</span> add x +<span id="L96" class="LineNr"> 96 </span> <span class="PreProc">return</span> result +<span id="L97" class="LineNr"> 97 </span><span class="Delimiter">}</span> +<span id="L98" class="LineNr"> 98 </span> +<span id="L99" class="LineNr"> 99 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500text-screen.mu.html#L99'>cursor-position</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L100" class="LineNr">100 </span> <span class="Delimiter">{</span> +<span id="L101" class="LineNr">101 </span> compare <a href='500text-screen.mu.html#L9'>screen</a>, <span class="Constant">0</span> +<span id="L102" class="LineNr">102 </span> <span class="PreProc">break-if-!=</span> +<span id="L103" class="LineNr">103 </span> <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L104" class="LineNr">104 </span> <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L105" class="LineNr">105 </span> x, y <span class="SpecialChar"><-</span> <a href='103grapheme.subx.html#L94'>cursor-position-on-real-screen</a> +<span id="L106" class="LineNr">106 </span> <span class="PreProc">return</span> x, y +<span id="L107" class="LineNr">107 </span> <span class="Delimiter">}</span> +<span id="L108" class="LineNr">108 </span> <span class="muComment"># fake screen</span> +<span id="L109" class="LineNr">109 </span> <span class="PreProc">var</span> screen-addr/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> copy <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L110" class="LineNr">110 </span> <span class="PreProc">var</span> cursor-x-addr/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar"><-</span> get screen-addr, cursor-x +<span id="L111" class="LineNr">111 </span> <span class="PreProc">var</span> cursor-y-addr/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar"><-</span> get screen-addr, cursor-y +<span id="L112" class="LineNr">112 </span> <span class="PreProc">return</span> *cursor-x-addr, *cursor-y-addr +<span id="L113" class="LineNr">113 </span><span class="Delimiter">}</span> +<span id="L114" class="LineNr">114 </span> +<span id="L115" class="LineNr">115 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500text-screen.mu.html#L115'>set-cursor-position</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), x: int, y: int <span class="Delimiter">{</span> +<span id="L116" class="LineNr">116 </span> <span class="Delimiter">{</span> +<span id="L117" class="LineNr">117 </span> compare <a href='500text-screen.mu.html#L9'>screen</a>, <span class="Constant">0</span> +<span id="L118" class="LineNr">118 </span> <span class="PreProc">break-if-!=</span> +<span id="L119" class="LineNr">119 </span> <a href='103grapheme.subx.html#L107'>set-cursor-position-on-real-screen</a> x, y +<span id="L120" class="LineNr">120 </span> <span class="PreProc">return</span> +<span id="L121" class="LineNr">121 </span> <span class="Delimiter">}</span> +<span id="L122" class="LineNr">122 </span> <span class="muComment"># fake screen</span> +<span id="L123" class="LineNr">123 </span> <span class="PreProc">var</span> screen-addr/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> copy <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L124" class="LineNr">124 </span> <span class="muComment"># ignore x < 0</span> +<span id="L125" class="LineNr">125 </span> <span class="Delimiter">{</span> +<span id="L126" class="LineNr">126 </span> compare x, <span class="Constant">0</span> +<span id="L127" class="LineNr">127 </span> <span class="PreProc">break-if->=</span> +<span id="L128" class="LineNr">128 </span> <span class="PreProc">return</span> +<span id="L129" class="LineNr">129 </span> <span class="Delimiter">}</span> +<span id="L130" class="LineNr">130 </span> <span class="muComment"># ignore x >= width</span> +<span id="L131" class="LineNr">131 </span> <span class="Delimiter">{</span> +<span id="L132" class="LineNr">132 </span> <span class="PreProc">var</span> width-addr/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar"><-</span> get screen-addr, width +<span id="L133" class="LineNr">133 </span> <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy *width-addr +<span id="L134" class="LineNr">134 </span> compare x, width +<span id="L135" class="LineNr">135 </span> <span class="PreProc">break-if-<=</span> +<span id="L136" class="LineNr">136 </span> <span class="PreProc">return</span> +<span id="L137" class="LineNr">137 </span> <span class="Delimiter">}</span> +<span id="L138" class="LineNr">138 </span> <span class="muComment"># ignore y < 0</span> +<span id="L139" class="LineNr">139 </span> <span class="Delimiter">{</span> +<span id="L140" class="LineNr">140 </span> compare y, <span class="Constant">0</span> +<span id="L141" class="LineNr">141 </span> <span class="PreProc">break-if->=</span> +<span id="L142" class="LineNr">142 </span> <span class="PreProc">return</span> +<span id="L143" class="LineNr">143 </span> <span class="Delimiter">}</span> +<span id="L144" class="LineNr">144 </span> <span class="muComment"># ignore y >= height</span> +<span id="L145" class="LineNr">145 </span> <span class="Delimiter">{</span> +<span id="L146" class="LineNr">146 </span> <span class="PreProc">var</span> height-addr/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar"><-</span> get screen-addr, height +<span id="L147" class="LineNr">147 </span> <span class="PreProc">var</span> height/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy *height-addr +<span id="L148" class="LineNr">148 </span> compare y, height +<span id="L149" class="LineNr">149 </span> <span class="PreProc">break-if-<</span> +<span id="L150" class="LineNr">150 </span> <span class="PreProc">return</span> +<span id="L151" class="LineNr">151 </span> <span class="Delimiter">}</span> +<span id="L152" class="LineNr">152 </span> <span class="muComment"># screen->cursor-x = x</span> +<span id="L153" class="LineNr">153 </span> <span class="PreProc">var</span> dest/<span class="Constant">edi</span>: (addr int) <span class="SpecialChar"><-</span> get screen-addr, cursor-x +<span id="L154" class="LineNr">154 </span> <span class="PreProc">var</span> src/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy x +<span id="L155" class="LineNr">155 </span> copy-to *dest, src +<span id="L156" class="LineNr">156 </span> <span class="muComment"># screen->cursor-y = y</span> +<span id="L157" class="LineNr">157 </span> dest <span class="SpecialChar"><-</span> get screen-addr, cursor-y +<span id="L158" class="LineNr">158 </span> src <span class="SpecialChar"><-</span> copy y +<span id="L159" class="LineNr">159 </span> copy-to *dest, src +<span id="L160" class="LineNr">160 </span><span class="Delimiter">}</span> +<span id="L161" class="LineNr">161 </span> +<span id="L162" class="LineNr">162 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500text-screen.mu.html#L162'>show-cursor</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), g: grapheme <span class="Delimiter">{</span> +<span id="L163" class="LineNr">163 </span> <span class="Delimiter">{</span> +<span id="L164" class="LineNr">164 </span> compare <a href='500text-screen.mu.html#L9'>screen</a>, <span class="Constant">0</span> +<span id="L165" class="LineNr">165 </span> <span class="PreProc">break-if-!=</span> +<span id="L166" class="LineNr">166 </span> <a href='103grapheme.subx.html#L131'>show-cursor-on-real-screen</a> g +<span id="L167" class="LineNr">167 </span> <span class="PreProc">return</span> +<span id="L168" class="LineNr">168 </span> <span class="Delimiter">}</span> +<span id="L169" class="LineNr">169 </span> <span class="muComment"># fake screen</span> +<span id="L170" class="LineNr">170 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L171" class="LineNr">171 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L172" class="LineNr">172 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L99'>cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L173" class="LineNr">173 </span> <a href='500text-screen.mu.html#L68'>draw-grapheme</a> <a href='500text-screen.mu.html#L9'>screen</a>, g, cursor-x, cursor-y, <span class="Constant">0</span> <span class="muComment"># cursor color not tracked for fake screen</span> +<span id="L174" class="LineNr">174 </span><span class="Delimiter">}</span> +<span id="L175" class="LineNr">175 </span> +<span id="L176" class="LineNr">176 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500text-screen.mu.html#L176'>clear-screen</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="Delimiter">{</span> +<span id="L177" class="LineNr">177 </span> <span class="Delimiter">{</span> +<span id="L178" class="LineNr">178 </span> compare <a href='500text-screen.mu.html#L9'>screen</a>, <span class="Constant">0</span> +<span id="L179" class="LineNr">179 </span> <span class="PreProc">break-if-!=</span> +<span id="L180" class="LineNr">180 </span> <a href='500text-screen.mu.html#L209'>clear-real-screen</a> +<span id="L181" class="LineNr">181 </span> <span class="PreProc">return</span> +<span id="L182" class="LineNr">182 </span> <span class="Delimiter">}</span> +<span id="L183" class="LineNr">183 </span> <span class="muComment"># fake screen</span> +<span id="L184" class="LineNr">184 </span> <span class="PreProc">var</span> space/<span class="Constant">edi</span>: grapheme <span class="SpecialChar"><-</span> copy <span class="Constant">0x20</span> +<span id="L185" class="LineNr">185 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span> +<span id="L186" class="LineNr">186 </span> <span class="PreProc">var</span> screen-addr/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> copy <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L187" class="LineNr">187 </span> <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">1</span> +<span id="L188" class="LineNr">188 </span> <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar"><-</span> get screen-addr, height +<span id="L189" class="LineNr">189 </span> <span class="Delimiter">{</span> +<span id="L190" class="LineNr">190 </span> compare y, *height +<span id="L191" class="LineNr">191 </span> <span class="PreProc">break-if-></span> +<span id="L192" class="LineNr">192 </span> <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">1</span> +<span id="L193" class="LineNr">193 </span> <span class="PreProc">var</span> width/<span class="Constant">ebx</span>: (addr int) <span class="SpecialChar"><-</span> get screen-addr, width +<span id="L194" class="LineNr">194 </span> <span class="Delimiter">{</span> +<span id="L195" class="LineNr">195 </span> compare x, *width +<span id="L196" class="LineNr">196 </span> <span class="PreProc">break-if-></span> +<span id="L197" class="LineNr">197 </span> <a href='500text-screen.mu.html#L68'>draw-grapheme</a> <a href='500text-screen.mu.html#L9'>screen</a>, space, x, y, <span class="Constant">0</span> <span class="muComment"># color=black</span> +<span id="L198" class="LineNr">198 </span> x <span class="SpecialChar"><-</span> increment +<span id="L199" class="LineNr">199 </span> <span class="PreProc">loop</span> +<span id="L200" class="LineNr">200 </span> <span class="Delimiter">}</span> +<span id="L201" class="LineNr">201 </span> y <span class="SpecialChar"><-</span> increment +<span id="L202" class="LineNr">202 </span> <span class="PreProc">loop</span> +<span id="L203" class="LineNr">203 </span> <span class="Delimiter">}</span> +<span id="L204" class="LineNr">204 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span> +<span id="L205" class="LineNr">205 </span><span class="Delimiter">}</span> +<span id="L206" class="LineNr">206 </span> +<span id="L207" class="LineNr">207 </span><span class="muComment"># there's no grapheme that guarantees to cover every pixel, so we'll bump down</span> +<span id="L208" class="LineNr">208 </span><span class="muComment"># to pixels for a real screen</span> +<span id="L209" class="LineNr">209 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500text-screen.mu.html#L209'>clear-real-screen</a></span> <span class="Delimiter">{</span> +<span id="L210" class="LineNr">210 </span> <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L211" class="LineNr">211 </span> <span class="Delimiter">{</span> +<span id="L212" class="LineNr">212 </span> compare y, <span class="Constant">0x300</span> <span class="muComment"># screen-height = 768</span> +<span id="L213" class="LineNr">213 </span> <span class="PreProc">break-if->=</span> +<span id="L214" class="LineNr">214 </span> <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L215" class="LineNr">215 </span> <span class="Delimiter">{</span> +<span id="L216" class="LineNr">216 </span> compare x, <span class="Constant">0x400</span> <span class="muComment"># screen-width = 1024</span> +<span id="L217" class="LineNr">217 </span> <span class="PreProc">break-if->=</span> +<span id="L218" class="LineNr">218 </span> <a href='101screen.subx.html#L8'>pixel-on-real-screen</a> x, y, <span class="Constant">0</span> <span class="muComment"># black</span> +<span id="L219" class="LineNr">219 </span> x <span class="SpecialChar"><-</span> increment +<span id="L220" class="LineNr">220 </span> <span class="PreProc">loop</span> +<span id="L221" class="LineNr">221 </span> <span class="Delimiter">}</span> +<span id="L222" class="LineNr">222 </span> y <span class="SpecialChar"><-</span> increment +<span id="L223" class="LineNr">223 </span> <span class="PreProc">loop</span> +<span id="L224" class="LineNr">224 </span> <span class="Delimiter">}</span> +<span id="L225" class="LineNr">225 </span><span class="Delimiter">}</span> +<span id="L226" class="LineNr">226 </span> +<span id="L227" class="LineNr">227 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500text-screen.mu.html#L227'>screen-grapheme-at</a></span> screen-on-stack: (addr <a href='500text-screen.mu.html#L9'>screen</a>), x: int, y: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: grapheme <span class="Delimiter">{</span> +<span id="L228" class="LineNr">228 </span> <span class="PreProc">var</span> screen-addr/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> copy screen-on-stack +<span id="L229" class="LineNr">229 </span> <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L90'>screen-cell-index</a> screen-addr, x, y +<span id="L230" class="LineNr">230 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L234'>screen-grapheme-at-idx</a> screen-addr, idx +<span id="L231" class="LineNr">231 </span> <span class="PreProc">return</span> result +<span id="L232" class="LineNr">232 </span><span class="Delimiter">}</span> +<span id="L233" class="LineNr">233 </span> +<span id="L234" class="LineNr">234 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500text-screen.mu.html#L234'>screen-grapheme-at-idx</a></span> screen-on-stack: (addr <a href='500text-screen.mu.html#L9'>screen</a>), idx-on-stack: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: grapheme <span class="Delimiter">{</span> +<span id="L235" class="LineNr">235 </span> <span class="PreProc">var</span> screen-addr/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> copy screen-on-stack +<span id="L236" class="LineNr">236 </span> <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array <a href='500text-screen.mu.html#L17'>screen-cell</a>) <span class="SpecialChar"><-</span> get screen-addr, data +<span id="L237" class="LineNr">237 </span> <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array <a href='500text-screen.mu.html#L17'>screen-cell</a>) <span class="SpecialChar"><-</span> <a href='120allocate.subx.html#L226'>lookup</a> *data-ah +<span id="L238" class="LineNr">238 </span> <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy idx-on-stack +<span id="L239" class="LineNr">239 </span> <span class="PreProc">var</span> offset/<span class="Constant">ecx</span>: (offset <a href='500text-screen.mu.html#L17'>screen-cell</a>) <span class="SpecialChar"><-</span> compute-offset data, idx +<span id="L240" class="LineNr">240 </span> <span class="PreProc">var</span> cell/<span class="Constant">eax</span>: (addr <a href='500text-screen.mu.html#L17'>screen-cell</a>) <span class="SpecialChar"><-</span> index data, offset +<span id="L241" class="LineNr">241 </span> <span class="PreProc">var</span> src/<span class="Constant">eax</span>: (addr grapheme) <span class="SpecialChar"><-</span> get cell, data +<span id="L242" class="LineNr">242 </span> <span class="PreProc">return</span> *src +<span id="L243" class="LineNr">243 </span><span class="Delimiter">}</span> +<span id="L244" class="LineNr">244 </span> +<span id="L245" class="LineNr">245 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500text-screen.mu.html#L245'>screen-color-at</a></span> screen-on-stack: (addr <a href='500text-screen.mu.html#L9'>screen</a>), x: int, y: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L246" class="LineNr">246 </span> <span class="PreProc">var</span> screen-addr/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> copy screen-on-stack +<span id="L247" class="LineNr">247 </span> <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L90'>screen-cell-index</a> screen-addr, x, y +<span id="L248" class="LineNr">248 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L252'>screen-color-at-idx</a> screen-addr, idx +<span id="L249" class="LineNr">249 </span> <span class="PreProc">return</span> result +<span id="L250" class="LineNr">250 </span><span class="Delimiter">}</span> +<span id="L251" class="LineNr">251 </span> +<span id="L252" class="LineNr">252 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='500text-screen.mu.html#L252'>screen-color-at-idx</a></span> screen-on-stack: (addr <a href='500text-screen.mu.html#L9'>screen</a>), idx-on-stack: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L253" class="LineNr">253 </span> <span class="PreProc">var</span> screen-addr/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> copy screen-on-stack +<span id="L254" class="LineNr">254 </span> <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array <a href='500text-screen.mu.html#L17'>screen-cell</a>) <span class="SpecialChar"><-</span> get screen-addr, data +<span id="L255" class="LineNr">255 </span> <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array <a href='500text-screen.mu.html#L17'>screen-cell</a>) <span class="SpecialChar"><-</span> <a href='120allocate.subx.html#L226'>lookup</a> *data-ah +<span id="L256" class="LineNr">256 </span> <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy idx-on-stack +<span id="L257" class="LineNr">257 </span> <span class="PreProc">var</span> offset/<span class="Constant">ecx</span>: (offset <a href='500text-screen.mu.html#L17'>screen-cell</a>) <span class="SpecialChar"><-</span> compute-offset data, idx +<span id="L258" class="LineNr">258 </span> <span class="PreProc">var</span> cell/<span class="Constant">eax</span>: (addr <a href='500text-screen.mu.html#L17'>screen-cell</a>) <span class="SpecialChar"><-</span> index data, offset +<span id="L259" class="LineNr">259 </span> <span class="PreProc">var</span> src/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar"><-</span> get cell, color +<span id="L260" class="LineNr">260 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy *src +<span id="L261" class="LineNr">261 </span> <span class="PreProc">return</span> result +<span id="L262" class="LineNr">262 </span><span class="Delimiter">}</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> diff --git a/html/baremetal/501draw-text.mu.html b/html/baremetal/501draw-text.mu.html index d57d46cb..31ee49c4 100644 --- a/html/baremetal/501draw-text.mu.html +++ b/html/baremetal/501draw-text.mu.html @@ -58,315 +58,503 @@ if ('onhashchange' in window) { <pre id='vimCodeElement'> <span id="L1" class="LineNr"> 1 </span><span class="muComment"># some primitives for moving the cursor without making assumptions about</span> <span id="L2" class="LineNr"> 2 </span><span class="muComment"># raster order</span> -<span id="L3" class="LineNr"> 3 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L3'>cursor-left</a></span> screen: (addr screen) <span class="Delimiter">{</span> +<span id="L3" class="LineNr"> 3 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L3'>cursor-left</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="Delimiter">{</span> <span id="L4" class="LineNr"> 4 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> <span id="L5" class="LineNr"> 5 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L6" class="LineNr"> 6 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='103grapheme.subx.html#L77'>cursor-position</a> screen +<span id="L6" class="LineNr"> 6 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L99'>cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a> <span id="L7" class="LineNr"> 7 </span> compare cursor-x, <span class="Constant">0</span> <span id="L8" class="LineNr"> 8 </span> <span class="Delimiter">{</span> <span id="L9" class="LineNr"> 9 </span> <span class="PreProc">break-if-></span> <span id="L10" class="LineNr"> 10 </span> <span class="PreProc">return</span> <span id="L11" class="LineNr"> 11 </span> <span class="Delimiter">}</span> -<span id="L12" class="LineNr"> 12 </span> cursor-x <span class="SpecialChar"><-</span> subtract <span class="Constant">8</span> <span class="muComment"># font-width</span> -<span id="L13" class="LineNr"> 13 </span> <a href='103grapheme.subx.html#L90'>set-cursor-position</a> screen, cursor-x, cursor-y +<span id="L12" class="LineNr"> 12 </span> cursor-x <span class="SpecialChar"><-</span> decrement +<span id="L13" class="LineNr"> 13 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a>, cursor-x, cursor-y <span id="L14" class="LineNr"> 14 </span><span class="Delimiter">}</span> <span id="L15" class="LineNr"> 15 </span> -<span id="L16" class="LineNr"> 16 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L16'>cursor-right</a></span> screen: (addr screen) <span class="Delimiter">{</span> -<span id="L17" class="LineNr"> 17 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L18" class="LineNr"> 18 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L19" class="LineNr"> 19 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='103grapheme.subx.html#L77'>cursor-position</a> screen -<span id="L20" class="LineNr"> 20 </span> compare cursor-x, <span class="Constant">0x400</span> <span class="muComment"># screen-width</span> -<span id="L21" class="LineNr"> 21 </span> <span class="Delimiter">{</span> -<span id="L22" class="LineNr"> 22 </span> <span class="PreProc">break-if-<</span> -<span id="L23" class="LineNr"> 23 </span> <span class="PreProc">return</span> -<span id="L24" class="LineNr"> 24 </span> <span class="Delimiter">}</span> -<span id="L25" class="LineNr"> 25 </span> cursor-x <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> -<span id="L26" class="LineNr"> 26 </span> <a href='103grapheme.subx.html#L90'>set-cursor-position</a> screen, cursor-x, cursor-y -<span id="L27" class="LineNr"> 27 </span><span class="Delimiter">}</span> -<span id="L28" class="LineNr"> 28 </span> -<span id="L29" class="LineNr"> 29 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L29'>cursor-up</a></span> screen: (addr screen) <span class="Delimiter">{</span> -<span id="L30" class="LineNr"> 30 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L31" class="LineNr"> 31 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L32" class="LineNr"> 32 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='103grapheme.subx.html#L77'>cursor-position</a> screen -<span id="L33" class="LineNr"> 33 </span> compare cursor-y, <span class="Constant">0</span> -<span id="L34" class="LineNr"> 34 </span> <span class="Delimiter">{</span> -<span id="L35" class="LineNr"> 35 </span> <span class="PreProc">break-if-></span> -<span id="L36" class="LineNr"> 36 </span> <span class="PreProc">return</span> -<span id="L37" class="LineNr"> 37 </span> <span class="Delimiter">}</span> -<span id="L38" class="LineNr"> 38 </span> cursor-y <span class="SpecialChar"><-</span> subtract <span class="Constant">0x10</span> <span class="muComment"># screen-height</span> -<span id="L39" class="LineNr"> 39 </span> <a href='103grapheme.subx.html#L90'>set-cursor-position</a> screen, cursor-x, cursor-y -<span id="L40" class="LineNr"> 40 </span><span class="Delimiter">}</span> -<span id="L41" class="LineNr"> 41 </span> -<span id="L42" class="LineNr"> 42 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L42'>cursor-down</a></span> screen: (addr screen) <span class="Delimiter">{</span> -<span id="L43" class="LineNr"> 43 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L44" class="LineNr"> 44 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L45" class="LineNr"> 45 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='103grapheme.subx.html#L77'>cursor-position</a> screen -<span id="L46" class="LineNr"> 46 </span> compare cursor-y, <span class="Constant">0x300</span> <span class="muComment"># screen-height</span> -<span id="L47" class="LineNr"> 47 </span> <span class="Delimiter">{</span> -<span id="L48" class="LineNr"> 48 </span> <span class="PreProc">break-if-<</span> -<span id="L49" class="LineNr"> 49 </span> <span class="PreProc">return</span> -<span id="L50" class="LineNr"> 50 </span> <span class="Delimiter">}</span> -<span id="L51" class="LineNr"> 51 </span> cursor-y <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># screen-height</span> -<span id="L52" class="LineNr"> 52 </span> <a href='103grapheme.subx.html#L90'>set-cursor-position</a> screen, cursor-x, cursor-y -<span id="L53" class="LineNr"> 53 </span><span class="Delimiter">}</span> -<span id="L54" class="LineNr"> 54 </span> -<span id="L55" class="LineNr"> 55 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L55'>draw-grapheme-at-cursor</a></span> screen: (addr screen), g: grapheme, color: int <span class="Delimiter">{</span> -<span id="L56" class="LineNr"> 56 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L57" class="LineNr"> 57 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L58" class="LineNr"> 58 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='103grapheme.subx.html#L77'>cursor-position</a> screen -<span id="L59" class="LineNr"> 59 </span> <a href='103grapheme.subx.html#L5'>draw-grapheme</a> screen, g, cursor-x, cursor-y, color -<span id="L60" class="LineNr"> 60 </span><span class="Delimiter">}</span> -<span id="L61" class="LineNr"> 61 </span> -<span id="L62" class="LineNr"> 62 </span><span class="muComment"># draw a single line of text from x, y to xmax</span> -<span id="L63" class="LineNr"> 63 </span><span class="muComment"># return the next 'x' coordinate</span> -<span id="L64" class="LineNr"> 64 </span><span class="muComment"># if there isn't enough space, return 0 without modifying the screen</span> -<span id="L65" class="LineNr"> 65 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L65'>draw-text-rightward</a></span> screen: (addr screen), text: (addr array byte), x: int, xmax: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> -<span id="L66" class="LineNr"> 66 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) -<span id="L67" class="LineNr"> 67 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage -<span id="L68" class="LineNr"> 68 </span> <a href='108write.subx.html#L6'>write</a> stream, text -<span id="L69" class="LineNr"> 69 </span> <span class="muComment"># check if we have enough space</span> -<span id="L70" class="LineNr"> 70 </span> <span class="PreProc">var</span> xcurr/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy x -<span id="L71" class="LineNr"> 71 </span> <span class="Delimiter">{</span> -<span id="L72" class="LineNr"> 72 </span> compare xcurr, xmax -<span id="L73" class="LineNr"> 73 </span> <span class="PreProc">break-if-></span> -<span id="L74" class="LineNr"> 74 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream -<span id="L75" class="LineNr"> 75 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> -<span id="L76" class="LineNr"> 76 </span> <span class="PreProc">break-if-=</span> -<span id="L77" class="LineNr"> 77 </span> xcurr <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> -<span id="L78" class="LineNr"> 78 </span> <span class="PreProc">loop</span> -<span id="L79" class="LineNr"> 79 </span> <span class="Delimiter">}</span> -<span id="L80" class="LineNr"> 80 </span> compare xcurr, xmax -<span id="L81" class="LineNr"> 81 </span> <span class="Delimiter">{</span> -<span id="L82" class="LineNr"> 82 </span> <span class="PreProc">break-if-<=</span> -<span id="L83" class="LineNr"> 83 </span> <span class="PreProc">return</span> <span class="Constant">0</span> -<span id="L84" class="LineNr"> 84 </span> <span class="Delimiter">}</span> -<span id="L85" class="LineNr"> 85 </span> <span class="muComment"># we do; actually draw</span> -<span id="L86" class="LineNr"> 86 </span> <a href='106stream.subx.html#L56'>rewind-stream</a> stream -<span id="L87" class="LineNr"> 87 </span> xcurr <span class="SpecialChar"><-</span> copy x -<span id="L88" class="LineNr"> 88 </span> <span class="Delimiter">{</span> -<span id="L89" class="LineNr"> 89 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream -<span id="L90" class="LineNr"> 90 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> -<span id="L91" class="LineNr"> 91 </span> <span class="PreProc">break-if-=</span> -<span id="L92" class="LineNr"> 92 </span> <a href='103grapheme.subx.html#L5'>draw-grapheme</a> screen, g, xcurr, y, color -<span id="L93" class="LineNr"> 93 </span> xcurr <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> -<span id="L94" class="LineNr"> 94 </span> <span class="PreProc">loop</span> -<span id="L95" class="LineNr"> 95 </span> <span class="Delimiter">}</span> -<span id="L96" class="LineNr"> 96 </span> <a href='103grapheme.subx.html#L90'>set-cursor-position</a> screen, xcurr, y -<span id="L97" class="LineNr"> 97 </span> <span class="PreProc">return</span> xcurr -<span id="L98" class="LineNr"> 98 </span><span class="Delimiter">}</span> -<span id="L99" class="LineNr"> 99 </span> -<span id="L100" class="LineNr">100 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L100'>draw-text-rightward-from-cursor</a></span> screen: (addr screen), text: (addr array byte), xmax: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> -<span id="L101" class="LineNr">101 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L102" class="LineNr">102 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L103" class="LineNr">103 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='103grapheme.subx.html#L77'>cursor-position</a> screen -<span id="L104" class="LineNr">104 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L65'>draw-text-rightward</a> screen, text, cursor-x, xmax, cursor-y, color -<span id="L105" class="LineNr">105 </span> <span class="PreProc">return</span> result +<span id="L16" class="LineNr"> 16 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L16'>cursor-right</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="Delimiter">{</span> +<span id="L17" class="LineNr"> 17 </span> <span class="PreProc">var</span> _width/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L18" class="LineNr"> 18 </span> <span class="PreProc">var</span> dummy/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L19" class="LineNr"> 19 </span> _width, dummy <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L49'>screen-size</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L20" class="LineNr"> 20 </span> <span class="PreProc">var</span> width/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy _width +<span id="L21" class="LineNr"> 21 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L22" class="LineNr"> 22 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L23" class="LineNr"> 23 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L99'>cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L24" class="LineNr"> 24 </span> compare cursor-x, width +<span id="L25" class="LineNr"> 25 </span> <span class="Delimiter">{</span> +<span id="L26" class="LineNr"> 26 </span> <span class="PreProc">break-if-<</span> +<span id="L27" class="LineNr"> 27 </span> <span class="PreProc">return</span> +<span id="L28" class="LineNr"> 28 </span> <span class="Delimiter">}</span> +<span id="L29" class="LineNr"> 29 </span> cursor-x <span class="SpecialChar"><-</span> increment +<span id="L30" class="LineNr"> 30 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a>, cursor-x, cursor-y +<span id="L31" class="LineNr"> 31 </span><span class="Delimiter">}</span> +<span id="L32" class="LineNr"> 32 </span> +<span id="L33" class="LineNr"> 33 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L33'>cursor-up</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="Delimiter">{</span> +<span id="L34" class="LineNr"> 34 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L35" class="LineNr"> 35 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L36" class="LineNr"> 36 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L99'>cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L37" class="LineNr"> 37 </span> compare cursor-y, <span class="Constant">0</span> +<span id="L38" class="LineNr"> 38 </span> <span class="Delimiter">{</span> +<span id="L39" class="LineNr"> 39 </span> <span class="PreProc">break-if-></span> +<span id="L40" class="LineNr"> 40 </span> <span class="PreProc">return</span> +<span id="L41" class="LineNr"> 41 </span> <span class="Delimiter">}</span> +<span id="L42" class="LineNr"> 42 </span> cursor-y <span class="SpecialChar"><-</span> decrement +<span id="L43" class="LineNr"> 43 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a>, cursor-x, cursor-y +<span id="L44" class="LineNr"> 44 </span><span class="Delimiter">}</span> +<span id="L45" class="LineNr"> 45 </span> +<span id="L46" class="LineNr"> 46 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L46'>cursor-down</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="Delimiter">{</span> +<span id="L47" class="LineNr"> 47 </span> <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L48" class="LineNr"> 48 </span> <span class="PreProc">var</span> _height/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L49" class="LineNr"> 49 </span> dummy, _height <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L49'>screen-size</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L50" class="LineNr"> 50 </span> <span class="PreProc">var</span> height/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy _height +<span id="L51" class="LineNr"> 51 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L52" class="LineNr"> 52 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L53" class="LineNr"> 53 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L99'>cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L54" class="LineNr"> 54 </span> compare cursor-y, height +<span id="L55" class="LineNr"> 55 </span> <span class="Delimiter">{</span> +<span id="L56" class="LineNr"> 56 </span> <span class="PreProc">break-if-<</span> +<span id="L57" class="LineNr"> 57 </span> <span class="PreProc">return</span> +<span id="L58" class="LineNr"> 58 </span> <span class="Delimiter">}</span> +<span id="L59" class="LineNr"> 59 </span> cursor-y <span class="SpecialChar"><-</span> increment +<span id="L60" class="LineNr"> 60 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a>, cursor-x, cursor-y +<span id="L61" class="LineNr"> 61 </span><span class="Delimiter">}</span> +<span id="L62" class="LineNr"> 62 </span> +<span id="L63" class="LineNr"> 63 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L63'>draw-grapheme-at-cursor</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), g: grapheme, color: int <span class="Delimiter">{</span> +<span id="L64" class="LineNr"> 64 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L65" class="LineNr"> 65 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L66" class="LineNr"> 66 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L99'>cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L67" class="LineNr"> 67 </span> <a href='500text-screen.mu.html#L68'>draw-grapheme</a> <a href='500text-screen.mu.html#L9'>screen</a>, g, cursor-x, cursor-y, color +<span id="L68" class="LineNr"> 68 </span><span class="Delimiter">}</span> +<span id="L69" class="LineNr"> 69 </span> +<span id="L70" class="LineNr"> 70 </span><span class="muComment"># draw a single line of text from x, y to xmax</span> +<span id="L71" class="LineNr"> 71 </span><span class="muComment"># return the next 'x' coordinate</span> +<span id="L72" class="LineNr"> 72 </span><span class="muComment"># if there isn't enough space, return 0 without modifying the screen</span> +<span id="L73" class="LineNr"> 73 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L73'>draw-text-rightward</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), text: (addr array byte), x: int, xmax: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L74" class="LineNr"> 74 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) +<span id="L75" class="LineNr"> 75 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage +<span id="L76" class="LineNr"> 76 </span> <a href='108write.subx.html#L11'>write</a> stream, text +<span id="L77" class="LineNr"> 77 </span> <span class="muComment"># check if we have enough space</span> +<span id="L78" class="LineNr"> 78 </span> <span class="PreProc">var</span> xcurr/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy x +<span id="L79" class="LineNr"> 79 </span> <span class="Delimiter">{</span> +<span id="L80" class="LineNr"> 80 </span> compare xcurr, xmax +<span id="L81" class="LineNr"> 81 </span> <span class="PreProc">break-if-></span> +<span id="L82" class="LineNr"> 82 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream +<span id="L83" class="LineNr"> 83 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L84" class="LineNr"> 84 </span> <span class="PreProc">break-if-=</span> +<span id="L85" class="LineNr"> 85 </span> xcurr <span class="SpecialChar"><-</span> increment +<span id="L86" class="LineNr"> 86 </span> <span class="PreProc">loop</span> +<span id="L87" class="LineNr"> 87 </span> <span class="Delimiter">}</span> +<span id="L88" class="LineNr"> 88 </span> compare xcurr, xmax +<span id="L89" class="LineNr"> 89 </span> <span class="Delimiter">{</span> +<span id="L90" class="LineNr"> 90 </span> <span class="PreProc">break-if-<=</span> +<span id="L91" class="LineNr"> 91 </span> <span class="PreProc">return</span> <span class="Constant">0</span> +<span id="L92" class="LineNr"> 92 </span> <span class="Delimiter">}</span> +<span id="L93" class="LineNr"> 93 </span> <span class="muComment"># we do; actually draw</span> +<span id="L94" class="LineNr"> 94 </span> <a href='106stream.subx.html#L59'>rewind-stream</a> stream +<span id="L95" class="LineNr"> 95 </span> xcurr <span class="SpecialChar"><-</span> copy x +<span id="L96" class="LineNr"> 96 </span> <span class="Delimiter">{</span> +<span id="L97" class="LineNr"> 97 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream +<span id="L98" class="LineNr"> 98 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L99" class="LineNr"> 99 </span> <span class="PreProc">break-if-=</span> +<span id="L100" class="LineNr">100 </span> <a href='500text-screen.mu.html#L68'>draw-grapheme</a> <a href='500text-screen.mu.html#L9'>screen</a>, g, xcurr, y, color +<span id="L101" class="LineNr">101 </span> xcurr <span class="SpecialChar"><-</span> increment +<span id="L102" class="LineNr">102 </span> <span class="PreProc">loop</span> +<span id="L103" class="LineNr">103 </span> <span class="Delimiter">}</span> +<span id="L104" class="LineNr">104 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a>, xcurr, y +<span id="L105" class="LineNr">105 </span> <span class="PreProc">return</span> xcurr <span id="L106" class="LineNr">106 </span><span class="Delimiter">}</span> <span id="L107" class="LineNr">107 </span> -<span id="L108" class="LineNr">108 </span><span class="muComment"># draw text in the rectangle from (xmin, ymin) to (xmax, ymax), starting from (x, y), wrapping as necessary</span> -<span id="L109" class="LineNr">109 </span><span class="muComment"># return the next (x, y) coordinate in raster order where drawing stopped</span> -<span id="L110" class="LineNr">110 </span><span class="muComment"># that way the caller can draw more if given the same min and max bounding-box.</span> -<span id="L111" class="LineNr">111 </span><span class="muComment"># if there isn't enough space, return 0 without modifying the screen</span> -<span id="L112" class="LineNr">112 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L112'>draw-text-wrapping-right-then-down</a></span> screen: (addr screen), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> -<span id="L113" class="LineNr">113 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) -<span id="L114" class="LineNr">114 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage -<span id="L115" class="LineNr">115 </span> <a href='108write.subx.html#L6'>write</a> stream, text -<span id="L116" class="LineNr">116 </span> <span class="muComment"># check if we have enough space</span> -<span id="L117" class="LineNr">117 </span> <span class="PreProc">var</span> xcurr/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy x -<span id="L118" class="LineNr">118 </span> <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy y -<span id="L119" class="LineNr">119 </span> <span class="Delimiter">{</span> -<span id="L120" class="LineNr">120 </span> compare ycurr, ymax -<span id="L121" class="LineNr">121 </span> <span class="PreProc">break-if->=</span> -<span id="L122" class="LineNr">122 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream -<span id="L123" class="LineNr">123 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> -<span id="L124" class="LineNr">124 </span> <span class="PreProc">break-if-=</span> -<span id="L125" class="LineNr">125 </span> xcurr <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> -<span id="L126" class="LineNr">126 </span> compare xcurr, xmax -<span id="L127" class="LineNr">127 </span> <span class="Delimiter">{</span> -<span id="L128" class="LineNr">128 </span> <span class="PreProc">break-if-<</span> -<span id="L129" class="LineNr">129 </span> xcurr <span class="SpecialChar"><-</span> copy xmin -<span id="L130" class="LineNr">130 </span> ycurr <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> -<span id="L131" class="LineNr">131 </span> <span class="Delimiter">}</span> -<span id="L132" class="LineNr">132 </span> <span class="PreProc">loop</span> -<span id="L133" class="LineNr">133 </span> <span class="Delimiter">}</span> -<span id="L134" class="LineNr">134 </span> compare ycurr, ymax -<span id="L135" class="LineNr">135 </span> <span class="Delimiter">{</span> -<span id="L136" class="LineNr">136 </span> <span class="PreProc">break-if-<</span> -<span id="L137" class="LineNr">137 </span> <span class="PreProc">return</span> <span class="Constant">0</span>, <span class="Constant">0</span> -<span id="L138" class="LineNr">138 </span> <span class="Delimiter">}</span> -<span id="L139" class="LineNr">139 </span> <span class="muComment"># we do; actually draw</span> -<span id="L140" class="LineNr">140 </span> <a href='106stream.subx.html#L56'>rewind-stream</a> stream -<span id="L141" class="LineNr">141 </span> xcurr <span class="SpecialChar"><-</span> copy x -<span id="L142" class="LineNr">142 </span> ycurr <span class="SpecialChar"><-</span> copy y +<span id="L108" class="LineNr">108 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L108'>draw-text-rightward-from-cursor</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), text: (addr array byte), xmax: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L109" class="LineNr">109 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L110" class="LineNr">110 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L111" class="LineNr">111 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L99'>cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L112" class="LineNr">112 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L73'>draw-text-rightward</a> <a href='500text-screen.mu.html#L9'>screen</a>, text, cursor-x, xmax, cursor-y, color +<span id="L113" class="LineNr">113 </span> <span class="PreProc">return</span> result +<span id="L114" class="LineNr">114 </span><span class="Delimiter">}</span> +<span id="L115" class="LineNr">115 </span> +<span id="L116" class="LineNr">116 </span><span class="muComment"># draw text in the rectangle from (xmin, ymin) to (xmax, ymax), starting from (x, y), wrapping as necessary</span> +<span id="L117" class="LineNr">117 </span><span class="muComment"># return the next (x, y) coordinate in raster order where drawing stopped</span> +<span id="L118" class="LineNr">118 </span><span class="muComment"># that way the caller can draw more if given the same min and max bounding-box.</span> +<span id="L119" class="LineNr">119 </span><span class="muComment"># if there isn't enough space, return 0 without modifying the screen</span> +<span id="L120" class="LineNr">120 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L120'>draw-text-wrapping-right-then-down</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L121" class="LineNr">121 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) +<span id="L122" class="LineNr">122 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage +<span id="L123" class="LineNr">123 </span> <a href='108write.subx.html#L11'>write</a> stream, text +<span id="L124" class="LineNr">124 </span> <span class="muComment"># check if we have enough space</span> +<span id="L125" class="LineNr">125 </span> <span class="PreProc">var</span> xcurr/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy x +<span id="L126" class="LineNr">126 </span> <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy y +<span id="L127" class="LineNr">127 </span> <span class="Delimiter">{</span> +<span id="L128" class="LineNr">128 </span> compare ycurr, ymax +<span id="L129" class="LineNr">129 </span> <span class="PreProc">break-if->=</span> +<span id="L130" class="LineNr">130 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream +<span id="L131" class="LineNr">131 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L132" class="LineNr">132 </span> <span class="PreProc">break-if-=</span> +<span id="L133" class="LineNr">133 </span> xcurr <span class="SpecialChar"><-</span> increment +<span id="L134" class="LineNr">134 </span> compare xcurr, xmax +<span id="L135" class="LineNr">135 </span> <span class="Delimiter">{</span> +<span id="L136" class="LineNr">136 </span> <span class="PreProc">break-if-<</span> +<span id="L137" class="LineNr">137 </span> xcurr <span class="SpecialChar"><-</span> copy xmin +<span id="L138" class="LineNr">138 </span> ycurr <span class="SpecialChar"><-</span> increment +<span id="L139" class="LineNr">139 </span> <span class="Delimiter">}</span> +<span id="L140" class="LineNr">140 </span> <span class="PreProc">loop</span> +<span id="L141" class="LineNr">141 </span> <span class="Delimiter">}</span> +<span id="L142" class="LineNr">142 </span> compare ycurr, ymax <span id="L143" class="LineNr">143 </span> <span class="Delimiter">{</span> -<span id="L144" class="LineNr">144 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream -<span id="L145" class="LineNr">145 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> -<span id="L146" class="LineNr">146 </span> <span class="PreProc">break-if-=</span> -<span id="L147" class="LineNr">147 </span> <a href='103grapheme.subx.html#L5'>draw-grapheme</a> screen, g, xcurr, ycurr, color -<span id="L148" class="LineNr">148 </span> xcurr <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> -<span id="L149" class="LineNr">149 </span> compare xcurr, xmax -<span id="L150" class="LineNr">150 </span> <span class="Delimiter">{</span> -<span id="L151" class="LineNr">151 </span> <span class="PreProc">break-if-<</span> -<span id="L152" class="LineNr">152 </span> xcurr <span class="SpecialChar"><-</span> copy xmin -<span id="L153" class="LineNr">153 </span> ycurr <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> -<span id="L154" class="LineNr">154 </span> <span class="Delimiter">}</span> -<span id="L155" class="LineNr">155 </span> <span class="PreProc">loop</span> -<span id="L156" class="LineNr">156 </span> <span class="Delimiter">}</span> -<span id="L157" class="LineNr">157 </span> <a href='103grapheme.subx.html#L90'>set-cursor-position</a> screen, xcurr, ycurr -<span id="L158" class="LineNr">158 </span> <span class="PreProc">return</span> xcurr, ycurr -<span id="L159" class="LineNr">159 </span><span class="Delimiter">}</span> -<span id="L160" class="LineNr">160 </span> -<span id="L161" class="LineNr">161 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L161'>draw-text-wrapping-right-then-down-over-full-screen</a></span> screen: (addr screen), text: (addr array byte), x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> -<span id="L162" class="LineNr">162 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L163" class="LineNr">163 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L164" class="LineNr">164 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L112'>draw-text-wrapping-right-then-down</a> screen, text, <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">0x400</span>, <span class="Constant">0x300</span>, x, y, color <span class="muComment"># 1024, 768</span> -<span id="L165" class="LineNr">165 </span> <span class="PreProc">return</span> cursor-x, cursor-y -<span id="L166" class="LineNr">166 </span><span class="Delimiter">}</span> -<span id="L167" class="LineNr">167 </span> -<span id="L168" class="LineNr">168 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L168'>draw-text-wrapping-right-then-down-from-cursor</a></span> screen: (addr screen), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, color: int <span class="Delimiter">{</span> -<span id="L169" class="LineNr">169 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L170" class="LineNr">170 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L171" class="LineNr">171 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='103grapheme.subx.html#L77'>cursor-position</a> screen -<span id="L172" class="LineNr">172 </span> <span class="PreProc">var</span> end-x/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy cursor-x -<span id="L173" class="LineNr">173 </span> end-x <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> -<span id="L174" class="LineNr">174 </span> compare end-x, xmax +<span id="L144" class="LineNr">144 </span> <span class="PreProc">break-if-<</span> +<span id="L145" class="LineNr">145 </span> <span class="PreProc">return</span> <span class="Constant">0</span>, <span class="Constant">0</span> +<span id="L146" class="LineNr">146 </span> <span class="Delimiter">}</span> +<span id="L147" class="LineNr">147 </span> <span class="muComment"># we do; actually draw</span> +<span id="L148" class="LineNr">148 </span> <a href='106stream.subx.html#L59'>rewind-stream</a> stream +<span id="L149" class="LineNr">149 </span> xcurr <span class="SpecialChar"><-</span> copy x +<span id="L150" class="LineNr">150 </span> ycurr <span class="SpecialChar"><-</span> copy y +<span id="L151" class="LineNr">151 </span> <span class="Delimiter">{</span> +<span id="L152" class="LineNr">152 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream +<span id="L153" class="LineNr">153 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L154" class="LineNr">154 </span> <span class="PreProc">break-if-=</span> +<span id="L155" class="LineNr">155 </span> <a href='500text-screen.mu.html#L68'>draw-grapheme</a> <a href='500text-screen.mu.html#L9'>screen</a>, g, xcurr, ycurr, color +<span id="L156" class="LineNr">156 </span> xcurr <span class="SpecialChar"><-</span> increment +<span id="L157" class="LineNr">157 </span> compare xcurr, xmax +<span id="L158" class="LineNr">158 </span> <span class="Delimiter">{</span> +<span id="L159" class="LineNr">159 </span> <span class="PreProc">break-if-<</span> +<span id="L160" class="LineNr">160 </span> xcurr <span class="SpecialChar"><-</span> copy xmin +<span id="L161" class="LineNr">161 </span> ycurr <span class="SpecialChar"><-</span> increment +<span id="L162" class="LineNr">162 </span> <span class="Delimiter">}</span> +<span id="L163" class="LineNr">163 </span> <span class="PreProc">loop</span> +<span id="L164" class="LineNr">164 </span> <span class="Delimiter">}</span> +<span id="L165" class="LineNr">165 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a>, xcurr, ycurr +<span id="L166" class="LineNr">166 </span> <span class="PreProc">return</span> xcurr, ycurr +<span id="L167" class="LineNr">167 </span><span class="Delimiter">}</span> +<span id="L168" class="LineNr">168 </span> +<span id="L169" class="LineNr">169 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L169'>move-cursor-rightward-and-downward</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), xmin: int, xmax: int <span class="Delimiter">{</span> +<span id="L170" class="LineNr">170 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L171" class="LineNr">171 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L172" class="LineNr">172 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L99'>cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L173" class="LineNr">173 </span> cursor-x <span class="SpecialChar"><-</span> increment +<span id="L174" class="LineNr">174 </span> compare cursor-x, xmax <span id="L175" class="LineNr">175 </span> <span class="Delimiter">{</span> <span id="L176" class="LineNr">176 </span> <span class="PreProc">break-if-<</span> <span id="L177" class="LineNr">177 </span> cursor-x <span class="SpecialChar"><-</span> copy xmin -<span id="L178" class="LineNr">178 </span> cursor-y <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> +<span id="L178" class="LineNr">178 </span> cursor-y <span class="SpecialChar"><-</span> increment <span id="L179" class="LineNr">179 </span> <span class="Delimiter">}</span> -<span id="L180" class="LineNr">180 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L112'>draw-text-wrapping-right-then-down</a> screen, text, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color +<span id="L180" class="LineNr">180 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a>, cursor-x, cursor-y <span id="L181" class="LineNr">181 </span><span class="Delimiter">}</span> <span id="L182" class="LineNr">182 </span> -<span id="L183" class="LineNr">183 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L183'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a></span> screen: (addr screen), text: (addr array byte), color: int <span class="Delimiter">{</span> -<span id="L184" class="LineNr">184 </span> <a href='501draw-text.mu.html#L168'>draw-text-wrapping-right-then-down-from-cursor</a> screen, text, <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">0x400</span>, <span class="Constant">0x300</span>, color <span class="muComment"># 1024, 768</span> -<span id="L185" class="LineNr">185 </span><span class="Delimiter">}</span> -<span id="L186" class="LineNr">186 </span> -<span id="L187" class="LineNr">187 </span><span class="muComment">## Text direction: down then right</span> -<span id="L188" class="LineNr">188 </span> -<span id="L189" class="LineNr">189 </span><span class="muComment"># draw a single line of text vertically from x, y to ymax</span> -<span id="L190" class="LineNr">190 </span><span class="muComment"># return the next 'y' coordinate</span> -<span id="L191" class="LineNr">191 </span><span class="muComment"># if there isn't enough space, return 0 without modifying the screen</span> -<span id="L192" class="LineNr">192 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L192'>draw-text-downward</a></span> screen: (addr screen), text: (addr array byte), x: int, y: int, ymax: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> -<span id="L193" class="LineNr">193 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) -<span id="L194" class="LineNr">194 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage -<span id="L195" class="LineNr">195 </span> <a href='108write.subx.html#L6'>write</a> stream, text -<span id="L196" class="LineNr">196 </span> <span class="muComment"># check if we have enough space</span> -<span id="L197" class="LineNr">197 </span> <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy y +<span id="L183" class="LineNr">183 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L183'>draw-text-wrapping-right-then-down-over-full-screen</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), text: (addr array byte), x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L184" class="LineNr">184 </span> <span class="PreProc">var</span> x2/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L185" class="LineNr">185 </span> <span class="PreProc">var</span> y2/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L186" class="LineNr">186 </span> x2, y2 <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L49'>screen-size</a> <a href='500text-screen.mu.html#L9'>screen</a> <span class="muComment"># width, height</span> +<span id="L187" class="LineNr">187 </span> x2, y2 <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L120'>draw-text-wrapping-right-then-down</a> <a href='500text-screen.mu.html#L9'>screen</a>, text, <span class="Constant">0</span>, <span class="Constant">0</span>, x2, y2, x, y, color +<span id="L188" class="LineNr">188 </span> <span class="PreProc">return</span> x2, y2 <span class="muComment"># cursor-x, cursor-y</span> +<span id="L189" class="LineNr">189 </span><span class="Delimiter">}</span> +<span id="L190" class="LineNr">190 </span> +<span id="L191" class="LineNr">191 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L191'>draw-text-wrapping-right-then-down-from-cursor</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, color: int <span class="Delimiter">{</span> +<span id="L192" class="LineNr">192 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L193" class="LineNr">193 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L194" class="LineNr">194 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L99'>cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L195" class="LineNr">195 </span> <span class="PreProc">var</span> end-x/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy cursor-x +<span id="L196" class="LineNr">196 </span> end-x <span class="SpecialChar"><-</span> increment +<span id="L197" class="LineNr">197 </span> compare end-x, xmax <span id="L198" class="LineNr">198 </span> <span class="Delimiter">{</span> -<span id="L199" class="LineNr">199 </span> compare ycurr, ymax -<span id="L200" class="LineNr">200 </span> <span class="PreProc">break-if-></span> -<span id="L201" class="LineNr">201 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream -<span id="L202" class="LineNr">202 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> -<span id="L203" class="LineNr">203 </span> <span class="PreProc">break-if-=</span> -<span id="L204" class="LineNr">204 </span> ycurr <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> -<span id="L205" class="LineNr">205 </span> <span class="PreProc">loop</span> -<span id="L206" class="LineNr">206 </span> <span class="Delimiter">}</span> -<span id="L207" class="LineNr">207 </span> compare ycurr, ymax -<span id="L208" class="LineNr">208 </span> <span class="Delimiter">{</span> -<span id="L209" class="LineNr">209 </span> <span class="PreProc">break-if-<=</span> -<span id="L210" class="LineNr">210 </span> <span class="PreProc">return</span> <span class="Constant">0</span> -<span id="L211" class="LineNr">211 </span> <span class="Delimiter">}</span> -<span id="L212" class="LineNr">212 </span> <span class="muComment"># we do; actually draw</span> -<span id="L213" class="LineNr">213 </span> <a href='106stream.subx.html#L56'>rewind-stream</a> stream -<span id="L214" class="LineNr">214 </span> ycurr <span class="SpecialChar"><-</span> copy y -<span id="L215" class="LineNr">215 </span> <span class="Delimiter">{</span> -<span id="L216" class="LineNr">216 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream -<span id="L217" class="LineNr">217 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> -<span id="L218" class="LineNr">218 </span> <span class="PreProc">break-if-=</span> -<span id="L219" class="LineNr">219 </span> <a href='103grapheme.subx.html#L5'>draw-grapheme</a> screen, g, x, ycurr, color -<span id="L220" class="LineNr">220 </span> ycurr <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> -<span id="L221" class="LineNr">221 </span> <span class="PreProc">loop</span> -<span id="L222" class="LineNr">222 </span> <span class="Delimiter">}</span> -<span id="L223" class="LineNr">223 </span> <a href='103grapheme.subx.html#L90'>set-cursor-position</a> screen, x, ycurr -<span id="L224" class="LineNr">224 </span> <span class="PreProc">return</span> ycurr -<span id="L225" class="LineNr">225 </span><span class="Delimiter">}</span> -<span id="L226" class="LineNr">226 </span> -<span id="L227" class="LineNr">227 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L227'>draw-text-downward-from-cursor</a></span> screen: (addr screen), text: (addr array byte), ymax: int, color: int <span class="Delimiter">{</span> -<span id="L228" class="LineNr">228 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L229" class="LineNr">229 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L230" class="LineNr">230 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='103grapheme.subx.html#L77'>cursor-position</a> screen -<span id="L231" class="LineNr">231 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L192'>draw-text-downward</a> screen, text, cursor-x, cursor-y, ymax, color -<span id="L232" class="LineNr">232 </span><span class="Delimiter">}</span> -<span id="L233" class="LineNr">233 </span> -<span id="L234" class="LineNr">234 </span><span class="muComment"># draw text down and right in the rectangle from (xmin, ymin) to (xmax, ymax), starting from (x, y), wrapping as necessary</span> -<span id="L235" class="LineNr">235 </span><span class="muComment"># return the next (x, y) coordinate in raster order where drawing stopped</span> -<span id="L236" class="LineNr">236 </span><span class="muComment"># that way the caller can draw more if given the same min and max bounding-box.</span> -<span id="L237" class="LineNr">237 </span><span class="muComment"># if there isn't enough space, return 0 without modifying the screen</span> -<span id="L238" class="LineNr">238 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L238'>draw-text-wrapping-down-then-right</a></span> screen: (addr screen), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> -<span id="L239" class="LineNr">239 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) -<span id="L240" class="LineNr">240 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage -<span id="L241" class="LineNr">241 </span> <a href='108write.subx.html#L6'>write</a> stream, text -<span id="L242" class="LineNr">242 </span> <span class="muComment"># check if we have enough space</span> -<span id="L243" class="LineNr">243 </span> <span class="PreProc">var</span> xcurr/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy x -<span id="L244" class="LineNr">244 </span> <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy y -<span id="L245" class="LineNr">245 </span> <span class="Delimiter">{</span> -<span id="L246" class="LineNr">246 </span> compare xcurr, xmax -<span id="L247" class="LineNr">247 </span> <span class="PreProc">break-if->=</span> -<span id="L248" class="LineNr">248 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream -<span id="L249" class="LineNr">249 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> -<span id="L250" class="LineNr">250 </span> <span class="PreProc">break-if-=</span> -<span id="L251" class="LineNr">251 </span> ycurr <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> -<span id="L252" class="LineNr">252 </span> compare ycurr, ymax -<span id="L253" class="LineNr">253 </span> <span class="Delimiter">{</span> -<span id="L254" class="LineNr">254 </span> <span class="PreProc">break-if-<</span> -<span id="L255" class="LineNr">255 </span> xcurr <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> -<span id="L256" class="LineNr">256 </span> ycurr <span class="SpecialChar"><-</span> copy ymin -<span id="L257" class="LineNr">257 </span> <span class="Delimiter">}</span> -<span id="L258" class="LineNr">258 </span> <span class="PreProc">loop</span> -<span id="L259" class="LineNr">259 </span> <span class="Delimiter">}</span> -<span id="L260" class="LineNr">260 </span> compare xcurr, xmax -<span id="L261" class="LineNr">261 </span> <span class="Delimiter">{</span> -<span id="L262" class="LineNr">262 </span> <span class="PreProc">break-if-<</span> -<span id="L263" class="LineNr">263 </span> <span class="PreProc">return</span> <span class="Constant">0</span>, <span class="Constant">0</span> -<span id="L264" class="LineNr">264 </span> <span class="Delimiter">}</span> -<span id="L265" class="LineNr">265 </span> <span class="muComment"># we do; actually draw</span> -<span id="L266" class="LineNr">266 </span> <a href='106stream.subx.html#L56'>rewind-stream</a> stream -<span id="L267" class="LineNr">267 </span> xcurr <span class="SpecialChar"><-</span> copy x -<span id="L268" class="LineNr">268 </span> ycurr <span class="SpecialChar"><-</span> copy y -<span id="L269" class="LineNr">269 </span> <span class="Delimiter">{</span> -<span id="L270" class="LineNr">270 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream -<span id="L271" class="LineNr">271 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> -<span id="L272" class="LineNr">272 </span> <span class="PreProc">break-if-=</span> -<span id="L273" class="LineNr">273 </span> <a href='103grapheme.subx.html#L5'>draw-grapheme</a> screen, g, xcurr, ycurr, color -<span id="L274" class="LineNr">274 </span> ycurr <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> -<span id="L275" class="LineNr">275 </span> compare ycurr, ymax -<span id="L276" class="LineNr">276 </span> <span class="Delimiter">{</span> -<span id="L277" class="LineNr">277 </span> <span class="PreProc">break-if-<</span> -<span id="L278" class="LineNr">278 </span> xcurr <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> -<span id="L279" class="LineNr">279 </span> ycurr <span class="SpecialChar"><-</span> copy ymin -<span id="L280" class="LineNr">280 </span> <span class="Delimiter">}</span> -<span id="L281" class="LineNr">281 </span> <span class="PreProc">loop</span> -<span id="L282" class="LineNr">282 </span> <span class="Delimiter">}</span> -<span id="L283" class="LineNr">283 </span> <a href='103grapheme.subx.html#L90'>set-cursor-position</a> screen, xcurr, ycurr -<span id="L284" class="LineNr">284 </span> <span class="PreProc">return</span> xcurr, ycurr -<span id="L285" class="LineNr">285 </span><span class="Delimiter">}</span> -<span id="L286" class="LineNr">286 </span> -<span id="L287" class="LineNr">287 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L287'>draw-text-wrapping-down-then-right-over-full-screen</a></span> screen: (addr screen), text: (addr array byte), x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> -<span id="L288" class="LineNr">288 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L289" class="LineNr">289 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L290" class="LineNr">290 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L238'>draw-text-wrapping-down-then-right</a> screen, text, <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">0x400</span>, <span class="Constant">0x300</span>, x, y, color <span class="muComment"># 1024, 768</span> -<span id="L291" class="LineNr">291 </span> <span class="PreProc">return</span> cursor-x, cursor-y -<span id="L292" class="LineNr">292 </span><span class="Delimiter">}</span> -<span id="L293" class="LineNr">293 </span> -<span id="L294" class="LineNr">294 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L294'>draw-text-wrapping-down-then-right-from-cursor</a></span> screen: (addr screen), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, color: int <span class="Delimiter">{</span> -<span id="L295" class="LineNr">295 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L296" class="LineNr">296 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L297" class="LineNr">297 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='103grapheme.subx.html#L77'>cursor-position</a> screen -<span id="L298" class="LineNr">298 </span> <span class="PreProc">var</span> end-y/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy cursor-y -<span id="L299" class="LineNr">299 </span> end-y <span class="SpecialChar"><-</span> add <span class="Constant">0x10</span> <span class="muComment"># font-height</span> -<span id="L300" class="LineNr">300 </span> compare end-y, ymax -<span id="L301" class="LineNr">301 </span> <span class="Delimiter">{</span> -<span id="L302" class="LineNr">302 </span> <span class="PreProc">break-if-<</span> -<span id="L303" class="LineNr">303 </span> cursor-x <span class="SpecialChar"><-</span> add <span class="Constant">8</span> <span class="muComment"># font-width</span> -<span id="L304" class="LineNr">304 </span> cursor-y <span class="SpecialChar"><-</span> copy ymin -<span id="L305" class="LineNr">305 </span> <span class="Delimiter">}</span> -<span id="L306" class="LineNr">306 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L238'>draw-text-wrapping-down-then-right</a> screen, text, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color -<span id="L307" class="LineNr">307 </span><span class="Delimiter">}</span> -<span id="L308" class="LineNr">308 </span> -<span id="L309" class="LineNr">309 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L309'>draw-text-wrapping-down-then-right-from-cursor-over-full-screen</a></span> screen: (addr screen), text: (addr array byte), color: int <span class="Delimiter">{</span> -<span id="L310" class="LineNr">310 </span> <a href='501draw-text.mu.html#L294'>draw-text-wrapping-down-then-right-from-cursor</a> screen, text, <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">0x400</span>, <span class="Constant">0x300</span>, color <span class="muComment"># 1024, 768</span> -<span id="L311" class="LineNr">311 </span><span class="Delimiter">}</span> +<span id="L199" class="LineNr">199 </span> <span class="PreProc">break-if-<</span> +<span id="L200" class="LineNr">200 </span> cursor-x <span class="SpecialChar"><-</span> copy xmin +<span id="L201" class="LineNr">201 </span> cursor-y <span class="SpecialChar"><-</span> increment +<span id="L202" class="LineNr">202 </span> <span class="Delimiter">}</span> +<span id="L203" class="LineNr">203 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L120'>draw-text-wrapping-right-then-down</a> <a href='500text-screen.mu.html#L9'>screen</a>, text, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color +<span id="L204" class="LineNr">204 </span><span class="Delimiter">}</span> +<span id="L205" class="LineNr">205 </span> +<span id="L206" class="LineNr">206 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), text: (addr array byte), color: int <span class="Delimiter">{</span> +<span id="L207" class="LineNr">207 </span> <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L208" class="LineNr">208 </span> <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L209" class="LineNr">209 </span> width, height <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L49'>screen-size</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L210" class="LineNr">210 </span> <a href='501draw-text.mu.html#L191'>draw-text-wrapping-right-then-down-from-cursor</a> <a href='500text-screen.mu.html#L9'>screen</a>, text, <span class="Constant">0</span>, <span class="Constant">0</span>, width, height, color +<span id="L211" class="LineNr">211 </span><span class="Delimiter">}</span> +<span id="L212" class="LineNr">212 </span> +<span id="L213" class="LineNr">213 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L213'>draw-int32-hex-wrapping-right-then-down</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), n: int, xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L214" class="LineNr">214 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) +<span id="L215" class="LineNr">215 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage +<span id="L216" class="LineNr">216 </span> <a href='117write-int-hex.subx.html#L92'>write-int32-hex</a> stream, n +<span id="L217" class="LineNr">217 </span> <span class="muComment"># check if we have enough space</span> +<span id="L218" class="LineNr">218 </span> <span class="PreProc">var</span> xcurr/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy x +<span id="L219" class="LineNr">219 </span> <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy y +<span id="L220" class="LineNr">220 </span> <span class="Delimiter">{</span> +<span id="L221" class="LineNr">221 </span> compare ycurr, ymax +<span id="L222" class="LineNr">222 </span> <span class="PreProc">break-if->=</span> +<span id="L223" class="LineNr">223 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream +<span id="L224" class="LineNr">224 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L225" class="LineNr">225 </span> <span class="PreProc">break-if-=</span> +<span id="L226" class="LineNr">226 </span> xcurr <span class="SpecialChar"><-</span> increment +<span id="L227" class="LineNr">227 </span> compare xcurr, xmax +<span id="L228" class="LineNr">228 </span> <span class="Delimiter">{</span> +<span id="L229" class="LineNr">229 </span> <span class="PreProc">break-if-<</span> +<span id="L230" class="LineNr">230 </span> xcurr <span class="SpecialChar"><-</span> copy xmin +<span id="L231" class="LineNr">231 </span> ycurr <span class="SpecialChar"><-</span> increment +<span id="L232" class="LineNr">232 </span> <span class="Delimiter">}</span> +<span id="L233" class="LineNr">233 </span> <span class="PreProc">loop</span> +<span id="L234" class="LineNr">234 </span> <span class="Delimiter">}</span> +<span id="L235" class="LineNr">235 </span> compare ycurr, ymax +<span id="L236" class="LineNr">236 </span> <span class="Delimiter">{</span> +<span id="L237" class="LineNr">237 </span> <span class="PreProc">break-if-<</span> +<span id="L238" class="LineNr">238 </span> <span class="PreProc">return</span> <span class="Constant">0</span>, <span class="Constant">0</span> +<span id="L239" class="LineNr">239 </span> <span class="Delimiter">}</span> +<span id="L240" class="LineNr">240 </span> <span class="muComment"># we do; actually draw</span> +<span id="L241" class="LineNr">241 </span> <a href='106stream.subx.html#L59'>rewind-stream</a> stream +<span id="L242" class="LineNr">242 </span> xcurr <span class="SpecialChar"><-</span> copy x +<span id="L243" class="LineNr">243 </span> ycurr <span class="SpecialChar"><-</span> copy y +<span id="L244" class="LineNr">244 </span> <span class="Delimiter">{</span> +<span id="L245" class="LineNr">245 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream +<span id="L246" class="LineNr">246 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L247" class="LineNr">247 </span> <span class="PreProc">break-if-=</span> +<span id="L248" class="LineNr">248 </span> <a href='500text-screen.mu.html#L68'>draw-grapheme</a> <a href='500text-screen.mu.html#L9'>screen</a>, g, xcurr, ycurr, color +<span id="L249" class="LineNr">249 </span> xcurr <span class="SpecialChar"><-</span> increment +<span id="L250" class="LineNr">250 </span> compare xcurr, xmax +<span id="L251" class="LineNr">251 </span> <span class="Delimiter">{</span> +<span id="L252" class="LineNr">252 </span> <span class="PreProc">break-if-<</span> +<span id="L253" class="LineNr">253 </span> xcurr <span class="SpecialChar"><-</span> copy xmin +<span id="L254" class="LineNr">254 </span> ycurr <span class="SpecialChar"><-</span> increment +<span id="L255" class="LineNr">255 </span> <span class="Delimiter">}</span> +<span id="L256" class="LineNr">256 </span> <span class="PreProc">loop</span> +<span id="L257" class="LineNr">257 </span> <span class="Delimiter">}</span> +<span id="L258" class="LineNr">258 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a>, xcurr, ycurr +<span id="L259" class="LineNr">259 </span> <span class="PreProc">return</span> xcurr, ycurr +<span id="L260" class="LineNr">260 </span><span class="Delimiter">}</span> +<span id="L261" class="LineNr">261 </span> +<span id="L262" class="LineNr">262 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L262'>draw-int32-hex-wrapping-right-then-down-over-full-screen</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), n: int, x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L263" class="LineNr">263 </span> <span class="PreProc">var</span> x2/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L264" class="LineNr">264 </span> <span class="PreProc">var</span> y2/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L265" class="LineNr">265 </span> x2, y2 <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L49'>screen-size</a> <a href='500text-screen.mu.html#L9'>screen</a> <span class="muComment"># width, height</span> +<span id="L266" class="LineNr">266 </span> x2, y2 <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L213'>draw-int32-hex-wrapping-right-then-down</a> <a href='500text-screen.mu.html#L9'>screen</a>, n, <span class="Constant">0</span>, <span class="Constant">0</span>, x2, y2, x, y, color +<span id="L267" class="LineNr">267 </span> <span class="PreProc">return</span> x2, y2 <span class="muComment"># cursor-x, cursor-y</span> +<span id="L268" class="LineNr">268 </span><span class="Delimiter">}</span> +<span id="L269" class="LineNr">269 </span> +<span id="L270" class="LineNr">270 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L270'>draw-int32-hex-wrapping-right-then-down-from-cursor</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), n: int, xmin: int, ymin: int, xmax: int, ymax: int, color: int <span class="Delimiter">{</span> +<span id="L271" class="LineNr">271 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L272" class="LineNr">272 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L273" class="LineNr">273 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L99'>cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L274" class="LineNr">274 </span> <span class="PreProc">var</span> end-x/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy cursor-x +<span id="L275" class="LineNr">275 </span> end-x <span class="SpecialChar"><-</span> increment +<span id="L276" class="LineNr">276 </span> compare end-x, xmax +<span id="L277" class="LineNr">277 </span> <span class="Delimiter">{</span> +<span id="L278" class="LineNr">278 </span> <span class="PreProc">break-if-<</span> +<span id="L279" class="LineNr">279 </span> cursor-x <span class="SpecialChar"><-</span> copy xmin +<span id="L280" class="LineNr">280 </span> cursor-y <span class="SpecialChar"><-</span> increment +<span id="L281" class="LineNr">281 </span> <span class="Delimiter">}</span> +<span id="L282" class="LineNr">282 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L213'>draw-int32-hex-wrapping-right-then-down</a> <a href='500text-screen.mu.html#L9'>screen</a>, n, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color +<span id="L283" class="LineNr">283 </span><span class="Delimiter">}</span> +<span id="L284" class="LineNr">284 </span> +<span id="L285" class="LineNr">285 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L285'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), n: int, color: int <span class="Delimiter">{</span> +<span id="L286" class="LineNr">286 </span> <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L287" class="LineNr">287 </span> <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L288" class="LineNr">288 </span> width, height <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L49'>screen-size</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L289" class="LineNr">289 </span> <a href='501draw-text.mu.html#L270'>draw-int32-hex-wrapping-right-then-down-from-cursor</a> <a href='500text-screen.mu.html#L9'>screen</a>, n, <span class="Constant">0</span>, <span class="Constant">0</span>, width, height, color +<span id="L290" class="LineNr">290 </span><span class="Delimiter">}</span> +<span id="L291" class="LineNr">291 </span> +<span id="L292" class="LineNr">292 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L292'>draw-int32-decimal-wrapping-right-then-down</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), n: int, xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L293" class="LineNr">293 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) +<span id="L294" class="LineNr">294 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage +<span id="L295" class="LineNr">295 </span> <a href='126write-int-decimal.subx.html#L8'>write-int32-decimal</a> stream, n +<span id="L296" class="LineNr">296 </span> <span class="muComment"># check if we have enough space</span> +<span id="L297" class="LineNr">297 </span> <span class="PreProc">var</span> xcurr/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy x +<span id="L298" class="LineNr">298 </span> <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy y +<span id="L299" class="LineNr">299 </span> <span class="Delimiter">{</span> +<span id="L300" class="LineNr">300 </span> compare ycurr, ymax +<span id="L301" class="LineNr">301 </span> <span class="PreProc">break-if->=</span> +<span id="L302" class="LineNr">302 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream +<span id="L303" class="LineNr">303 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L304" class="LineNr">304 </span> <span class="PreProc">break-if-=</span> +<span id="L305" class="LineNr">305 </span> xcurr <span class="SpecialChar"><-</span> increment +<span id="L306" class="LineNr">306 </span> compare xcurr, xmax +<span id="L307" class="LineNr">307 </span> <span class="Delimiter">{</span> +<span id="L308" class="LineNr">308 </span> <span class="PreProc">break-if-<</span> +<span id="L309" class="LineNr">309 </span> xcurr <span class="SpecialChar"><-</span> copy xmin +<span id="L310" class="LineNr">310 </span> ycurr <span class="SpecialChar"><-</span> increment +<span id="L311" class="LineNr">311 </span> <span class="Delimiter">}</span> +<span id="L312" class="LineNr">312 </span> <span class="PreProc">loop</span> +<span id="L313" class="LineNr">313 </span> <span class="Delimiter">}</span> +<span id="L314" class="LineNr">314 </span> compare ycurr, ymax +<span id="L315" class="LineNr">315 </span> <span class="Delimiter">{</span> +<span id="L316" class="LineNr">316 </span> <span class="PreProc">break-if-<</span> +<span id="L317" class="LineNr">317 </span> <span class="PreProc">return</span> <span class="Constant">0</span>, <span class="Constant">0</span> +<span id="L318" class="LineNr">318 </span> <span class="Delimiter">}</span> +<span id="L319" class="LineNr">319 </span> <span class="muComment"># we do; actually draw</span> +<span id="L320" class="LineNr">320 </span> <a href='106stream.subx.html#L59'>rewind-stream</a> stream +<span id="L321" class="LineNr">321 </span> xcurr <span class="SpecialChar"><-</span> copy x +<span id="L322" class="LineNr">322 </span> ycurr <span class="SpecialChar"><-</span> copy y +<span id="L323" class="LineNr">323 </span> <span class="Delimiter">{</span> +<span id="L324" class="LineNr">324 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream +<span id="L325" class="LineNr">325 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L326" class="LineNr">326 </span> <span class="PreProc">break-if-=</span> +<span id="L327" class="LineNr">327 </span> <a href='500text-screen.mu.html#L68'>draw-grapheme</a> <a href='500text-screen.mu.html#L9'>screen</a>, g, xcurr, ycurr, color +<span id="L328" class="LineNr">328 </span> xcurr <span class="SpecialChar"><-</span> increment +<span id="L329" class="LineNr">329 </span> compare xcurr, xmax +<span id="L330" class="LineNr">330 </span> <span class="Delimiter">{</span> +<span id="L331" class="LineNr">331 </span> <span class="PreProc">break-if-<</span> +<span id="L332" class="LineNr">332 </span> xcurr <span class="SpecialChar"><-</span> copy xmin +<span id="L333" class="LineNr">333 </span> ycurr <span class="SpecialChar"><-</span> increment +<span id="L334" class="LineNr">334 </span> <span class="Delimiter">}</span> +<span id="L335" class="LineNr">335 </span> <span class="PreProc">loop</span> +<span id="L336" class="LineNr">336 </span> <span class="Delimiter">}</span> +<span id="L337" class="LineNr">337 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a>, xcurr, ycurr +<span id="L338" class="LineNr">338 </span> <span class="PreProc">return</span> xcurr, ycurr +<span id="L339" class="LineNr">339 </span><span class="Delimiter">}</span> +<span id="L340" class="LineNr">340 </span> +<span id="L341" class="LineNr">341 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L341'>draw-int32-decimal-wrapping-right-then-down-over-full-screen</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), n: int, x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L342" class="LineNr">342 </span> <span class="PreProc">var</span> x2/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L343" class="LineNr">343 </span> <span class="PreProc">var</span> y2/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L344" class="LineNr">344 </span> x2, y2 <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L49'>screen-size</a> <a href='500text-screen.mu.html#L9'>screen</a> <span class="muComment"># width, height</span> +<span id="L345" class="LineNr">345 </span> x2, y2 <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L292'>draw-int32-decimal-wrapping-right-then-down</a> <a href='500text-screen.mu.html#L9'>screen</a>, n, <span class="Constant">0</span>, <span class="Constant">0</span>, x2, y2, x, y, color +<span id="L346" class="LineNr">346 </span> <span class="PreProc">return</span> x2, y2 <span class="muComment"># cursor-x, cursor-y</span> +<span id="L347" class="LineNr">347 </span><span class="Delimiter">}</span> +<span id="L348" class="LineNr">348 </span> +<span id="L349" class="LineNr">349 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L349'>draw-int32-decimal-wrapping-right-then-down-from-cursor</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), n: int, xmin: int, ymin: int, xmax: int, ymax: int, color: int <span class="Delimiter">{</span> +<span id="L350" class="LineNr">350 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L351" class="LineNr">351 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L352" class="LineNr">352 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L99'>cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L353" class="LineNr">353 </span> <span class="PreProc">var</span> end-x/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy cursor-x +<span id="L354" class="LineNr">354 </span> end-x <span class="SpecialChar"><-</span> increment +<span id="L355" class="LineNr">355 </span> compare end-x, xmax +<span id="L356" class="LineNr">356 </span> <span class="Delimiter">{</span> +<span id="L357" class="LineNr">357 </span> <span class="PreProc">break-if-<</span> +<span id="L358" class="LineNr">358 </span> cursor-x <span class="SpecialChar"><-</span> copy xmin +<span id="L359" class="LineNr">359 </span> cursor-y <span class="SpecialChar"><-</span> increment +<span id="L360" class="LineNr">360 </span> <span class="Delimiter">}</span> +<span id="L361" class="LineNr">361 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L292'>draw-int32-decimal-wrapping-right-then-down</a> <a href='500text-screen.mu.html#L9'>screen</a>, n, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color +<span id="L362" class="LineNr">362 </span><span class="Delimiter">}</span> +<span id="L363" class="LineNr">363 </span> +<span id="L364" class="LineNr">364 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L364'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), n: int, color: int <span class="Delimiter">{</span> +<span id="L365" class="LineNr">365 </span> <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L366" class="LineNr">366 </span> <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L367" class="LineNr">367 </span> width, height <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L49'>screen-size</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L368" class="LineNr">368 </span> <a href='501draw-text.mu.html#L349'>draw-int32-decimal-wrapping-right-then-down-from-cursor</a> <a href='500text-screen.mu.html#L9'>screen</a>, n, <span class="Constant">0</span>, <span class="Constant">0</span>, width, height, color +<span id="L369" class="LineNr">369 </span><span class="Delimiter">}</span> +<span id="L370" class="LineNr">370 </span> +<span id="L371" class="LineNr">371 </span><span class="muComment">## Text direction: down then right</span> +<span id="L372" class="LineNr">372 </span> +<span id="L373" class="LineNr">373 </span><span class="muComment"># draw a single line of text vertically from x, y to ymax</span> +<span id="L374" class="LineNr">374 </span><span class="muComment"># return the next 'y' coordinate</span> +<span id="L375" class="LineNr">375 </span><span class="muComment"># if there isn't enough space, return 0 without modifying the screen</span> +<span id="L376" class="LineNr">376 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L376'>draw-text-downward</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), text: (addr array byte), x: int, y: int, ymax: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L377" class="LineNr">377 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) +<span id="L378" class="LineNr">378 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage +<span id="L379" class="LineNr">379 </span> <a href='108write.subx.html#L11'>write</a> stream, text +<span id="L380" class="LineNr">380 </span> <span class="muComment"># check if we have enough space</span> +<span id="L381" class="LineNr">381 </span> <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy y +<span id="L382" class="LineNr">382 </span> <span class="Delimiter">{</span> +<span id="L383" class="LineNr">383 </span> compare ycurr, ymax +<span id="L384" class="LineNr">384 </span> <span class="PreProc">break-if-></span> +<span id="L385" class="LineNr">385 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream +<span id="L386" class="LineNr">386 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L387" class="LineNr">387 </span> <span class="PreProc">break-if-=</span> +<span id="L388" class="LineNr">388 </span> ycurr <span class="SpecialChar"><-</span> increment +<span id="L389" class="LineNr">389 </span> <span class="PreProc">loop</span> +<span id="L390" class="LineNr">390 </span> <span class="Delimiter">}</span> +<span id="L391" class="LineNr">391 </span> compare ycurr, ymax +<span id="L392" class="LineNr">392 </span> <span class="Delimiter">{</span> +<span id="L393" class="LineNr">393 </span> <span class="PreProc">break-if-<=</span> +<span id="L394" class="LineNr">394 </span> <span class="PreProc">return</span> <span class="Constant">0</span> +<span id="L395" class="LineNr">395 </span> <span class="Delimiter">}</span> +<span id="L396" class="LineNr">396 </span> <span class="muComment"># we do; actually draw</span> +<span id="L397" class="LineNr">397 </span> <a href='106stream.subx.html#L59'>rewind-stream</a> stream +<span id="L398" class="LineNr">398 </span> ycurr <span class="SpecialChar"><-</span> copy y +<span id="L399" class="LineNr">399 </span> <span class="Delimiter">{</span> +<span id="L400" class="LineNr">400 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream +<span id="L401" class="LineNr">401 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L402" class="LineNr">402 </span> <span class="PreProc">break-if-=</span> +<span id="L403" class="LineNr">403 </span> <a href='500text-screen.mu.html#L68'>draw-grapheme</a> <a href='500text-screen.mu.html#L9'>screen</a>, g, x, ycurr, color +<span id="L404" class="LineNr">404 </span> ycurr <span class="SpecialChar"><-</span> increment +<span id="L405" class="LineNr">405 </span> <span class="PreProc">loop</span> +<span id="L406" class="LineNr">406 </span> <span class="Delimiter">}</span> +<span id="L407" class="LineNr">407 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a>, x, ycurr +<span id="L408" class="LineNr">408 </span> <span class="PreProc">return</span> ycurr +<span id="L409" class="LineNr">409 </span><span class="Delimiter">}</span> +<span id="L410" class="LineNr">410 </span> +<span id="L411" class="LineNr">411 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L411'>draw-text-downward-from-cursor</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), text: (addr array byte), ymax: int, color: int <span class="Delimiter">{</span> +<span id="L412" class="LineNr">412 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L413" class="LineNr">413 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L414" class="LineNr">414 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L99'>cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L415" class="LineNr">415 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L376'>draw-text-downward</a> <a href='500text-screen.mu.html#L9'>screen</a>, text, cursor-x, cursor-y, ymax, color +<span id="L416" class="LineNr">416 </span><span class="Delimiter">}</span> +<span id="L417" class="LineNr">417 </span> +<span id="L418" class="LineNr">418 </span><span class="muComment"># draw text down and right in the rectangle from (xmin, ymin) to (xmax, ymax), starting from (x, y), wrapping as necessary</span> +<span id="L419" class="LineNr">419 </span><span class="muComment"># return the next (x, y) coordinate in raster order where drawing stopped</span> +<span id="L420" class="LineNr">420 </span><span class="muComment"># that way the caller can draw more if given the same min and max bounding-box.</span> +<span id="L421" class="LineNr">421 </span><span class="muComment"># if there isn't enough space, return 0 without modifying the screen</span> +<span id="L422" class="LineNr">422 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L422'>draw-text-wrapping-down-then-right</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L423" class="LineNr">423 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x100</span>) +<span id="L424" class="LineNr">424 </span> <span class="PreProc">var</span> stream/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address stream-storage +<span id="L425" class="LineNr">425 </span> <a href='108write.subx.html#L11'>write</a> stream, text +<span id="L426" class="LineNr">426 </span> <span class="muComment"># check if we have enough space</span> +<span id="L427" class="LineNr">427 </span> <span class="PreProc">var</span> xcurr/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy x +<span id="L428" class="LineNr">428 </span> <span class="PreProc">var</span> ycurr/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy y +<span id="L429" class="LineNr">429 </span> <span class="Delimiter">{</span> +<span id="L430" class="LineNr">430 </span> compare xcurr, xmax +<span id="L431" class="LineNr">431 </span> <span class="PreProc">break-if->=</span> +<span id="L432" class="LineNr">432 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream +<span id="L433" class="LineNr">433 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L434" class="LineNr">434 </span> <span class="PreProc">break-if-=</span> +<span id="L435" class="LineNr">435 </span> ycurr <span class="SpecialChar"><-</span> increment +<span id="L436" class="LineNr">436 </span> compare ycurr, ymax +<span id="L437" class="LineNr">437 </span> <span class="Delimiter">{</span> +<span id="L438" class="LineNr">438 </span> <span class="PreProc">break-if-<</span> +<span id="L439" class="LineNr">439 </span> xcurr <span class="SpecialChar"><-</span> increment +<span id="L440" class="LineNr">440 </span> ycurr <span class="SpecialChar"><-</span> copy ymin +<span id="L441" class="LineNr">441 </span> <span class="Delimiter">}</span> +<span id="L442" class="LineNr">442 </span> <span class="PreProc">loop</span> +<span id="L443" class="LineNr">443 </span> <span class="Delimiter">}</span> +<span id="L444" class="LineNr">444 </span> compare xcurr, xmax +<span id="L445" class="LineNr">445 </span> <span class="Delimiter">{</span> +<span id="L446" class="LineNr">446 </span> <span class="PreProc">break-if-<</span> +<span id="L447" class="LineNr">447 </span> <span class="PreProc">return</span> <span class="Constant">0</span>, <span class="Constant">0</span> +<span id="L448" class="LineNr">448 </span> <span class="Delimiter">}</span> +<span id="L449" class="LineNr">449 </span> <span class="muComment"># we do; actually draw</span> +<span id="L450" class="LineNr">450 </span> <a href='106stream.subx.html#L59'>rewind-stream</a> stream +<span id="L451" class="LineNr">451 </span> xcurr <span class="SpecialChar"><-</span> copy x +<span id="L452" class="LineNr">452 </span> ycurr <span class="SpecialChar"><-</span> copy y +<span id="L453" class="LineNr">453 </span> <span class="Delimiter">{</span> +<span id="L454" class="LineNr">454 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> stream +<span id="L455" class="LineNr">455 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> +<span id="L456" class="LineNr">456 </span> <span class="PreProc">break-if-=</span> +<span id="L457" class="LineNr">457 </span> <a href='500text-screen.mu.html#L68'>draw-grapheme</a> <a href='500text-screen.mu.html#L9'>screen</a>, g, xcurr, ycurr, color +<span id="L458" class="LineNr">458 </span> ycurr <span class="SpecialChar"><-</span> increment +<span id="L459" class="LineNr">459 </span> compare ycurr, ymax +<span id="L460" class="LineNr">460 </span> <span class="Delimiter">{</span> +<span id="L461" class="LineNr">461 </span> <span class="PreProc">break-if-<</span> +<span id="L462" class="LineNr">462 </span> xcurr <span class="SpecialChar"><-</span> increment +<span id="L463" class="LineNr">463 </span> ycurr <span class="SpecialChar"><-</span> copy ymin +<span id="L464" class="LineNr">464 </span> <span class="Delimiter">}</span> +<span id="L465" class="LineNr">465 </span> <span class="PreProc">loop</span> +<span id="L466" class="LineNr">466 </span> <span class="Delimiter">}</span> +<span id="L467" class="LineNr">467 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a>, xcurr, ycurr +<span id="L468" class="LineNr">468 </span> <span class="PreProc">return</span> xcurr, ycurr +<span id="L469" class="LineNr">469 </span><span class="Delimiter">}</span> +<span id="L470" class="LineNr">470 </span> +<span id="L471" class="LineNr">471 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L471'>draw-text-wrapping-down-then-right-over-full-screen</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), text: (addr array byte), x: int, y: int, color: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int, _/<span class="Constant">ecx</span>: int <span class="Delimiter">{</span> +<span id="L472" class="LineNr">472 </span> <span class="PreProc">var</span> x2/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L473" class="LineNr">473 </span> <span class="PreProc">var</span> y2/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L474" class="LineNr">474 </span> x2, y2 <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L49'>screen-size</a> <a href='500text-screen.mu.html#L9'>screen</a> <span class="muComment"># width, height</span> +<span id="L475" class="LineNr">475 </span> x2, y2 <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L422'>draw-text-wrapping-down-then-right</a> <a href='500text-screen.mu.html#L9'>screen</a>, text, <span class="Constant">0</span>, <span class="Constant">0</span>, x2, y2, x, y, color +<span id="L476" class="LineNr">476 </span> <span class="PreProc">return</span> x2, y2 <span class="muComment"># cursor-x, cursor-y</span> +<span id="L477" class="LineNr">477 </span><span class="Delimiter">}</span> +<span id="L478" class="LineNr">478 </span> +<span id="L479" class="LineNr">479 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L479'>draw-text-wrapping-down-then-right-from-cursor</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), text: (addr array byte), xmin: int, ymin: int, xmax: int, ymax: int, color: int <span class="Delimiter">{</span> +<span id="L480" class="LineNr">480 </span> <span class="PreProc">var</span> cursor-x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L481" class="LineNr">481 </span> <span class="PreProc">var</span> cursor-y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L482" class="LineNr">482 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L99'>cursor-position</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L483" class="LineNr">483 </span> <span class="PreProc">var</span> end-y/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy cursor-y +<span id="L484" class="LineNr">484 </span> end-y <span class="SpecialChar"><-</span> increment +<span id="L485" class="LineNr">485 </span> compare end-y, ymax +<span id="L486" class="LineNr">486 </span> <span class="Delimiter">{</span> +<span id="L487" class="LineNr">487 </span> <span class="PreProc">break-if-<</span> +<span id="L488" class="LineNr">488 </span> cursor-x <span class="SpecialChar"><-</span> increment +<span id="L489" class="LineNr">489 </span> cursor-y <span class="SpecialChar"><-</span> copy ymin +<span id="L490" class="LineNr">490 </span> <span class="Delimiter">}</span> +<span id="L491" class="LineNr">491 </span> cursor-x, cursor-y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L422'>draw-text-wrapping-down-then-right</a> <a href='500text-screen.mu.html#L9'>screen</a>, text, xmin, ymin, xmax, ymax, cursor-x, cursor-y, color +<span id="L492" class="LineNr">492 </span><span class="Delimiter">}</span> +<span id="L493" class="LineNr">493 </span> +<span id="L494" class="LineNr">494 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='501draw-text.mu.html#L494'>draw-text-wrapping-down-then-right-from-cursor-over-full-screen</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), text: (addr array byte), color: int <span class="Delimiter">{</span> +<span id="L495" class="LineNr">495 </span> <span class="PreProc">var</span> width/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L496" class="LineNr">496 </span> <span class="PreProc">var</span> height/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L497" class="LineNr">497 </span> width, height <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L49'>screen-size</a> <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L498" class="LineNr">498 </span> <a href='501draw-text.mu.html#L479'>draw-text-wrapping-down-then-right-from-cursor</a> <a href='500text-screen.mu.html#L9'>screen</a>, text, <span class="Constant">0</span>, <span class="Constant">0</span>, width, height, color +<span id="L499" class="LineNr">499 </span><span class="Delimiter">}</span> </pre> </body> </html> diff --git a/html/baremetal/502test.mu.html b/html/baremetal/502test.mu.html index f1bf0f28..00a5d854 100644 --- a/html/baremetal/502test.mu.html +++ b/html/baremetal/502test.mu.html @@ -63,13 +63,13 @@ if ('onhashchange' in window) { <span id="L4" class="LineNr"> 4 </span> compare a, b <span id="L5" class="LineNr"> 5 </span> <span class="Delimiter">{</span> <span id="L6" class="LineNr"> 6 </span> <span class="PreProc">break-if-=</span> -<span id="L7" class="LineNr"> 7 </span> <a href='501draw-text.mu.html#L183'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, msg, <span class="Constant">3</span> <span class="muComment"># 3=cyan</span> +<span id="L7" class="LineNr"> 7 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, msg, <span class="Constant">3</span> <span class="muComment"># 3=cyan</span> <span id="L8" class="LineNr"> 8 </span> <a href='104test.subx.html#L5'>count-test-failure</a> <span id="L9" class="LineNr"> 9 </span> <span class="PreProc">return</span> <span id="L10" class="LineNr">10 </span> <span class="Delimiter">}</span> <span id="L11" class="LineNr">11 </span> <span class="Delimiter">{</span> <span id="L12" class="LineNr">12 </span> <span class="PreProc">break-if-!=</span> -<span id="L13" class="LineNr">13 </span> <a href='501draw-text.mu.html#L183'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"."</span>, <span class="Constant">3</span> <span class="muComment"># 3=cyan</span> +<span id="L13" class="LineNr">13 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"."</span>, <span class="Constant">3</span> <span class="muComment"># 3=cyan</span> <span id="L14" class="LineNr">14 </span> <span class="Delimiter">}</span> <span id="L15" class="LineNr">15 </span><span class="Delimiter">}</span> <span id="L16" class="LineNr">16 </span> diff --git a/html/baremetal/503manhattan-line.mu.html b/html/baremetal/503manhattan-line.mu.html index 916b6f67..e0fe8d04 100644 --- a/html/baremetal/503manhattan-line.mu.html +++ b/html/baremetal/503manhattan-line.mu.html @@ -55,30 +55,30 @@ if ('onhashchange' in window) { <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/baremetal/503manhattan-line.mu'>https://github.com/akkartik/mu/blob/main/baremetal/503manhattan-line.mu</a> <pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='503manhattan-line.mu.html#L1'>draw-box</a></span> screen: (addr screen), x1: int, y1: int, x2: int, y2: int, color: int <span class="Delimiter">{</span> -<span id="L2" class="LineNr"> 2 </span> <a href='503manhattan-line.mu.html#L8'>draw-horizontal-line</a> screen, x1, x2, y1, color -<span id="L3" class="LineNr"> 3 </span> <a href='503manhattan-line.mu.html#L19'>draw-vertical-line</a> screen, x1, y1, y2, color -<span id="L4" class="LineNr"> 4 </span> <a href='503manhattan-line.mu.html#L8'>draw-horizontal-line</a> screen, x1, x2, y2, color -<span id="L5" class="LineNr"> 5 </span> <a href='503manhattan-line.mu.html#L19'>draw-vertical-line</a> screen, x2, y1, y2, color +<span id="L1" class="LineNr"> 1 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='503manhattan-line.mu.html#L1'>draw-box-on-real-screen</a></span> x1: int, y1: int, x2: int, y2: int, color: int <span class="Delimiter">{</span> +<span id="L2" class="LineNr"> 2 </span> <a href='503manhattan-line.mu.html#L8'>draw-horizontal-line-on-real-screen</a> x1, x2, y1, color +<span id="L3" class="LineNr"> 3 </span> <a href='503manhattan-line.mu.html#L19'>draw-vertical-line-on-real-screen</a> x1, y1, y2, color +<span id="L4" class="LineNr"> 4 </span> <a href='503manhattan-line.mu.html#L8'>draw-horizontal-line-on-real-screen</a> x1, x2, y2, color +<span id="L5" class="LineNr"> 5 </span> <a href='503manhattan-line.mu.html#L19'>draw-vertical-line-on-real-screen</a> x2, y1, y2, color <span id="L6" class="LineNr"> 6 </span><span class="Delimiter">}</span> <span id="L7" class="LineNr"> 7 </span> -<span id="L8" class="LineNr"> 8 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='503manhattan-line.mu.html#L8'>draw-horizontal-line</a></span> screen: (addr screen), x1: int, x2: int, y: int, color: int <span class="Delimiter">{</span> +<span id="L8" class="LineNr"> 8 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='503manhattan-line.mu.html#L8'>draw-horizontal-line-on-real-screen</a></span> x1: int, x2: int, y: int, color: int <span class="Delimiter">{</span> <span id="L9" class="LineNr"> 9 </span> <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy x1 <span id="L10" class="LineNr">10 </span> <span class="Delimiter">{</span> <span id="L11" class="LineNr">11 </span> compare x, x2 <span id="L12" class="LineNr">12 </span> <span class="PreProc">break-if->=</span> -<span id="L13" class="LineNr">13 </span> <a href='101screen.subx.html#L5'>pixel</a> screen, x, y, color +<span id="L13" class="LineNr">13 </span> <a href='101screen.subx.html#L8'>pixel-on-real-screen</a> x, y, color <span id="L14" class="LineNr">14 </span> x <span class="SpecialChar"><-</span> increment <span id="L15" class="LineNr">15 </span> <span class="PreProc">loop</span> <span id="L16" class="LineNr">16 </span> <span class="Delimiter">}</span> <span id="L17" class="LineNr">17 </span><span class="Delimiter">}</span> <span id="L18" class="LineNr">18 </span> -<span id="L19" class="LineNr">19 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='503manhattan-line.mu.html#L19'>draw-vertical-line</a></span> screen: (addr screen), x: int, y1: int, y2: int, color: int <span class="Delimiter">{</span> +<span id="L19" class="LineNr">19 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='503manhattan-line.mu.html#L19'>draw-vertical-line-on-real-screen</a></span> x: int, y1: int, y2: int, color: int <span class="Delimiter">{</span> <span id="L20" class="LineNr">20 </span> <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy y1 <span id="L21" class="LineNr">21 </span> <span class="Delimiter">{</span> <span id="L22" class="LineNr">22 </span> compare y, y2 <span id="L23" class="LineNr">23 </span> <span class="PreProc">break-if->=</span> -<span id="L24" class="LineNr">24 </span> <a href='101screen.subx.html#L5'>pixel</a> screen, x, y, color +<span id="L24" class="LineNr">24 </span> <a href='101screen.subx.html#L8'>pixel-on-real-screen</a> x, y, color <span id="L25" class="LineNr">25 </span> y <span class="SpecialChar"><-</span> increment <span id="L26" class="LineNr">26 </span> <span class="PreProc">loop</span> <span id="L27" class="LineNr">27 </span> <span class="Delimiter">}</span> diff --git a/html/baremetal/504test-screen.mu.html b/html/baremetal/504test-screen.mu.html new file mode 100644 index 00000000..edea0c33 --- /dev/null +++ b/html/baremetal/504test-screen.mu.html @@ -0,0 +1,231 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - baremetal/504test-screen.mu</title> +<meta name="Generator" content="Vim/8.1"> +<meta name="plugin-version" content="vim8.1_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.PreProc { color: #c000c0; } +.LineNr { } +.Constant { color: #008787; } +.SpecialChar { color: #d70000; } +.Delimiter { color: #c000c0; } +.muFunction { color: #af5f00; text-decoration: underline; } +.muTest { color: #5f8700; } +.muComment { color: #005faf; } +--> +</style> + +<script type='text/javascript'> +<!-- + +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + var lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + +--> +</script> +</head> +<body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/main/baremetal/504test-screen.mu'>https://github.com/akkartik/mu/blob/main/baremetal/504test-screen.mu</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Some primitives for checking the state of fake screen objects.</span> +<span id="L2" class="LineNr"> 2 </span> +<span id="L3" class="LineNr"> 3 </span><span class="muComment"># validate data on screen regardless of attributes (color, bold, etc.)</span> +<span id="L4" class="LineNr"> 4 </span><span class="muComment"># Mu doesn't have multi-line strings, so we provide functions for rows or portions of rows.</span> +<span id="L5" class="LineNr"> 5 </span><span class="muComment"># Tab characters (that translate into multiple screen cells) not supported.</span> +<span id="L6" class="LineNr"> 6 </span> +<span id="L7" class="LineNr"> 7 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='504test-screen.mu.html#L7'>check-screen-row</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), y: int, expected: (addr array byte), msg: (addr array byte) <span class="Delimiter">{</span> +<span id="L8" class="LineNr"> 8 </span> <a href='504test-screen.mu.html#L11'>check-screen-row-from</a> <a href='500text-screen.mu.html#L9'>screen</a>, y, <span class="Constant">0</span>, expected, msg +<span id="L9" class="LineNr"> 9 </span><span class="Delimiter">}</span> +<span id="L10" class="LineNr"> 10 </span> +<span id="L11" class="LineNr"> 11 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='504test-screen.mu.html#L11'>check-screen-row-from</a></span> screen-on-stack: (addr <a href='500text-screen.mu.html#L9'>screen</a>), x: int, y: int, expected: (addr array byte), msg: (addr array byte) <span class="Delimiter">{</span> +<span id="L12" class="LineNr"> 12 </span> <span class="PreProc">var</span> <a href='500text-screen.mu.html#L9'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> copy screen-on-stack +<span id="L13" class="LineNr"> 13 </span> <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L90'>screen-cell-index</a> <a href='500text-screen.mu.html#L9'>screen</a>, y, x +<span id="L14" class="LineNr"> 14 </span> <span class="muComment"># compare 'expected' with the screen contents starting at 'idx', grapheme by grapheme</span> +<span id="L15" class="LineNr"> 15 </span> <span class="PreProc">var</span> e: (stream byte <span class="Constant">0x100</span>) +<span id="L16" class="LineNr"> 16 </span> <span class="PreProc">var</span> e-addr/<span class="Constant">edx</span>: (addr stream byte) <span class="SpecialChar"><-</span> address e +<span id="L17" class="LineNr"> 17 </span> <a href='108write.subx.html#L11'>write</a> e-addr, expected +<span id="L18" class="LineNr"> 18 </span> <span class="Delimiter">{</span> +<span id="L19" class="LineNr"> 19 </span> <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> e-addr +<span id="L20" class="LineNr"> 20 </span> compare done?, <span class="Constant">0</span> +<span id="L21" class="LineNr"> 21 </span> <span class="PreProc">break-if-!=</span> +<span id="L22" class="LineNr"> 22 </span> <span class="PreProc">var</span> _g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L234'>screen-grapheme-at-idx</a> <a href='500text-screen.mu.html#L9'>screen</a>, idx +<span id="L23" class="LineNr"> 23 </span> <span class="PreProc">var</span> g/<span class="Constant">ebx</span>: grapheme <span class="SpecialChar"><-</span> copy _g +<span id="L24" class="LineNr"> 24 </span> <span class="PreProc">var</span> expected-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> e-addr +<span id="L25" class="LineNr"> 25 </span> <span class="muComment"># compare graphemes</span> +<span id="L26" class="LineNr"> 26 </span> $check-screen-row-from:compare-graphemes: <span class="Delimiter">{</span> +<span id="L27" class="LineNr"> 27 </span> <span class="muComment"># if expected-grapheme is space, null grapheme is also ok</span> +<span id="L28" class="LineNr"> 28 </span> <span class="Delimiter">{</span> +<span id="L29" class="LineNr"> 29 </span> compare expected-grapheme, <span class="Constant">0x20</span> +<span id="L30" class="LineNr"> 30 </span> <span class="PreProc">break-if-!=</span> +<span id="L31" class="LineNr"> 31 </span> compare g, <span class="Constant">0</span> +<span id="L32" class="LineNr"> 32 </span> <span class="PreProc">break-if-=</span> $check-screen-row-from:compare-graphemes +<span id="L33" class="LineNr"> 33 </span> <span class="Delimiter">}</span> +<span id="L34" class="LineNr"> 34 </span> <span class="muComment"># if (g == expected-grapheme) print "."</span> +<span id="L35" class="LineNr"> 35 </span> compare g, expected-grapheme +<span id="L36" class="LineNr"> 36 </span> <span class="Delimiter">{</span> +<span id="L37" class="LineNr"> 37 </span> <span class="PreProc">break-if-!=</span> +<span id="L38" class="LineNr"> 38 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"."</span>, <span class="Constant">3</span> <span class="muComment"># 3=cyan</span> +<span id="L39" class="LineNr"> 39 </span> <span class="PreProc">break</span> $check-screen-row-from:compare-graphemes +<span id="L40" class="LineNr"> 40 </span> <span class="Delimiter">}</span> +<span id="L41" class="LineNr"> 41 </span> <span class="muComment"># otherwise print an error</span> +<span id="L42" class="LineNr"> 42 </span> <a href='104test.subx.html#L5'>count-test-failure</a> +<span id="L43" class="LineNr"> 43 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, msg, <span class="Constant">3</span> <span class="muComment"># 3=cyan</span> +<span id="L44" class="LineNr"> 44 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">": expected '"</span>, <span class="Constant">3</span> +<span id="L45" class="LineNr"> 45 </span> <a href='501draw-text.mu.html#L63'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, expected-grapheme, <span class="Constant">3</span> +<span id="L46" class="LineNr"> 46 </span> <a href='501draw-text.mu.html#L169'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">0x80</span> <span class="muComment"># screen-width</span> +<span id="L47" class="LineNr"> 47 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"' at ("</span>, <span class="Constant">3</span> +<span id="L48" class="LineNr"> 48 </span> <a href='501draw-text.mu.html#L285'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, x, <span class="Constant">3</span> +<span id="L49" class="LineNr"> 49 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">", "</span>, <span class="Constant">3</span> +<span id="L50" class="LineNr"> 50 </span> <a href='501draw-text.mu.html#L285'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, y, <span class="Constant">3</span> +<span id="L51" class="LineNr"> 51 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">") but observed '"</span>, <span class="Constant">3</span> +<span id="L52" class="LineNr"> 52 </span> <a href='501draw-text.mu.html#L63'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, g, <span class="Constant">3</span> +<span id="L53" class="LineNr"> 53 </span> <a href='501draw-text.mu.html#L169'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">0x80</span> <span class="muComment"># screen-width</span> +<span id="L54" class="LineNr"> 54 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"'"</span>, <span class="Constant">3</span> +<span id="L55" class="LineNr"> 55 </span> <span class="Delimiter">}</span> +<span id="L56" class="LineNr"> 56 </span> idx <span class="SpecialChar"><-</span> increment +<span id="L57" class="LineNr"> 57 </span> increment x +<span id="L58" class="LineNr"> 58 </span> <span class="PreProc">loop</span> +<span id="L59" class="LineNr"> 59 </span> <span class="Delimiter">}</span> +<span id="L60" class="LineNr"> 60 </span><span class="Delimiter">}</span> +<span id="L61" class="LineNr"> 61 </span> +<span id="L62" class="LineNr"> 62 </span><span class="muComment"># various variants by screen-cell attribute; spaces in the 'expected' data should not match the attribute</span> +<span id="L63" class="LineNr"> 63 </span> +<span id="L64" class="LineNr"> 64 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='504test-screen.mu.html#L64'>check-screen-row-in-color</a></span> <a href='500text-screen.mu.html#L9'>screen</a>: (addr <a href='500text-screen.mu.html#L9'>screen</a>), fg: int, y: int, expected: (addr array byte), msg: (addr array byte) <span class="Delimiter">{</span> +<span id="L65" class="LineNr"> 65 </span> <a href='504test-screen.mu.html#L68'>check-screen-row-in-color-from</a> <a href='500text-screen.mu.html#L9'>screen</a>, fg, y, <span class="Constant">0</span>, expected, msg +<span id="L66" class="LineNr"> 66 </span><span class="Delimiter">}</span> +<span id="L67" class="LineNr"> 67 </span> +<span id="L68" class="LineNr"> 68 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='504test-screen.mu.html#L68'>check-screen-row-in-color-from</a></span> screen-on-stack: (addr <a href='500text-screen.mu.html#L9'>screen</a>), fg: int, y: int, x: int, expected: (addr array byte), msg: (addr array byte) <span class="Delimiter">{</span> +<span id="L69" class="LineNr"> 69 </span> <span class="PreProc">var</span> <a href='500text-screen.mu.html#L9'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> copy screen-on-stack +<span id="L70" class="LineNr"> 70 </span> <span class="PreProc">var</span> idx/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L90'>screen-cell-index</a> <a href='500text-screen.mu.html#L9'>screen</a>, y, x +<span id="L71" class="LineNr"> 71 </span> <span class="muComment"># compare 'expected' with the screen contents starting at 'idx', grapheme by grapheme</span> +<span id="L72" class="LineNr"> 72 </span> <span class="PreProc">var</span> e: (stream byte <span class="Constant">0x100</span>) +<span id="L73" class="LineNr"> 73 </span> <span class="PreProc">var</span> e-addr/<span class="Constant">edx</span>: (addr stream byte) <span class="SpecialChar"><-</span> address e +<span id="L74" class="LineNr"> 74 </span> <a href='108write.subx.html#L11'>write</a> e-addr, expected +<span id="L75" class="LineNr"> 75 </span> <span class="Delimiter">{</span> +<span id="L76" class="LineNr"> 76 </span> <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> e-addr +<span id="L77" class="LineNr"> 77 </span> compare done?, <span class="Constant">0</span> +<span id="L78" class="LineNr"> 78 </span> <span class="PreProc">break-if-!=</span> +<span id="L79" class="LineNr"> 79 </span> <span class="PreProc">var</span> _g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L234'>screen-grapheme-at-idx</a> <a href='500text-screen.mu.html#L9'>screen</a>, idx +<span id="L80" class="LineNr"> 80 </span> <span class="PreProc">var</span> g/<span class="Constant">ebx</span>: grapheme <span class="SpecialChar"><-</span> copy _g +<span id="L81" class="LineNr"> 81 </span> <span class="PreProc">var</span> _expected-grapheme/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> e-addr +<span id="L82" class="LineNr"> 82 </span> <span class="PreProc">var</span> expected-grapheme/<span class="Constant">edi</span>: grapheme <span class="SpecialChar"><-</span> copy _expected-grapheme +<span id="L83" class="LineNr"> 83 </span> $check-screen-row-in-color-from:compare-cells: <span class="Delimiter">{</span> +<span id="L84" class="LineNr"> 84 </span> <span class="muComment"># if expected-grapheme is space, null grapheme is also ok</span> +<span id="L85" class="LineNr"> 85 </span> <span class="Delimiter">{</span> +<span id="L86" class="LineNr"> 86 </span> compare expected-grapheme, <span class="Constant">0x20</span> +<span id="L87" class="LineNr"> 87 </span> <span class="PreProc">break-if-!=</span> +<span id="L88" class="LineNr"> 88 </span> compare g, <span class="Constant">0</span> +<span id="L89" class="LineNr"> 89 </span> <span class="PreProc">break-if-=</span> $check-screen-row-in-color-from:compare-cells +<span id="L90" class="LineNr"> 90 </span> <span class="Delimiter">}</span> +<span id="L91" class="LineNr"> 91 </span> <span class="muComment"># if expected-grapheme is space, a different color is ok</span> +<span id="L92" class="LineNr"> 92 </span> <span class="Delimiter">{</span> +<span id="L93" class="LineNr"> 93 </span> compare expected-grapheme, <span class="Constant">0x20</span> +<span id="L94" class="LineNr"> 94 </span> <span class="PreProc">break-if-!=</span> +<span id="L95" class="LineNr"> 95 </span> <span class="PreProc">var</span> color/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L252'>screen-color-at-idx</a> <a href='500text-screen.mu.html#L9'>screen</a>, idx +<span id="L96" class="LineNr"> 96 </span> compare color, fg +<span id="L97" class="LineNr"> 97 </span> <span class="PreProc">break-if-!=</span> $check-screen-row-in-color-from:compare-cells +<span id="L98" class="LineNr"> 98 </span> <span class="Delimiter">}</span> +<span id="L99" class="LineNr"> 99 </span> <span class="muComment"># compare graphemes</span> +<span id="L100" class="LineNr">100 </span> $check-screen-row-in-color-from:compare-graphemes: <span class="Delimiter">{</span> +<span id="L101" class="LineNr">101 </span> <span class="muComment"># if (g == expected-grapheme) print "."</span> +<span id="L102" class="LineNr">102 </span> compare g, expected-grapheme +<span id="L103" class="LineNr">103 </span> <span class="Delimiter">{</span> +<span id="L104" class="LineNr">104 </span> <span class="PreProc">break-if-!=</span> +<span id="L105" class="LineNr">105 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"."</span>, <span class="Constant">3</span> <span class="muComment"># 3=cyan</span> +<span id="L106" class="LineNr">106 </span> <span class="PreProc">break</span> $check-screen-row-in-color-from:compare-graphemes +<span id="L107" class="LineNr">107 </span> <span class="Delimiter">}</span> +<span id="L108" class="LineNr">108 </span> <span class="muComment"># otherwise print an error</span> +<span id="L109" class="LineNr">109 </span> <a href='104test.subx.html#L5'>count-test-failure</a> +<span id="L110" class="LineNr">110 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, msg, <span class="Constant">3</span> <span class="muComment"># 3=cyan</span> +<span id="L111" class="LineNr">111 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">": expected '"</span>, <span class="Constant">3</span> +<span id="L112" class="LineNr">112 </span> <a href='501draw-text.mu.html#L63'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, expected-grapheme, <span class="Constant">3</span> +<span id="L113" class="LineNr">113 </span> <a href='501draw-text.mu.html#L169'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">0x80</span> <span class="muComment"># screen-width</span> +<span id="L114" class="LineNr">114 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"' at ("</span>, <span class="Constant">3</span> +<span id="L115" class="LineNr">115 </span> <a href='501draw-text.mu.html#L285'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, x, <span class="Constant">3</span> +<span id="L116" class="LineNr">116 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">", "</span>, <span class="Constant">3</span> +<span id="L117" class="LineNr">117 </span> <a href='501draw-text.mu.html#L285'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, y, <span class="Constant">3</span> +<span id="L118" class="LineNr">118 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">") but observed '"</span>, <span class="Constant">3</span> +<span id="L119" class="LineNr">119 </span> <a href='501draw-text.mu.html#L63'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, g, <span class="Constant">3</span> +<span id="L120" class="LineNr">120 </span> <a href='501draw-text.mu.html#L169'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">0x80</span> <span class="muComment"># screen-width</span> +<span id="L121" class="LineNr">121 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"'"</span>, <span class="Constant">3</span> +<span id="L122" class="LineNr">122 </span> <span class="Delimiter">}</span> +<span id="L123" class="LineNr">123 </span> $check-screen-row-in-color-from:compare-colors: <span class="Delimiter">{</span> +<span id="L124" class="LineNr">124 </span> <span class="PreProc">var</span> color/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='500text-screen.mu.html#L252'>screen-color-at-idx</a> <a href='500text-screen.mu.html#L9'>screen</a>, idx +<span id="L125" class="LineNr">125 </span> compare fg, color +<span id="L126" class="LineNr">126 </span> <span class="Delimiter">{</span> +<span id="L127" class="LineNr">127 </span> <span class="PreProc">break-if-!=</span> +<span id="L128" class="LineNr">128 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"."</span>, <span class="Constant">3</span> <span class="muComment"># 3=cyan</span> +<span id="L129" class="LineNr">129 </span> <span class="PreProc">break</span> $check-screen-row-in-color-from:compare-colors +<span id="L130" class="LineNr">130 </span> <span class="Delimiter">}</span> +<span id="L131" class="LineNr">131 </span> <span class="muComment"># otherwise print an error</span> +<span id="L132" class="LineNr">132 </span> <a href='104test.subx.html#L5'>count-test-failure</a> +<span id="L133" class="LineNr">133 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, msg, <span class="Constant">3</span> <span class="muComment"># 3=cyan</span> +<span id="L134" class="LineNr">134 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">": expected '"</span>, <span class="Constant">3</span> +<span id="L135" class="LineNr">135 </span> <a href='501draw-text.mu.html#L63'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, expected-grapheme, <span class="Constant">3</span> +<span id="L136" class="LineNr">136 </span> <a href='501draw-text.mu.html#L169'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">0x80</span> <span class="muComment"># screen-width</span> +<span id="L137" class="LineNr">137 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"' at ("</span>, <span class="Constant">3</span> +<span id="L138" class="LineNr">138 </span> <a href='501draw-text.mu.html#L285'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, x, <span class="Constant">3</span> +<span id="L139" class="LineNr">139 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">", "</span>, <span class="Constant">3</span> +<span id="L140" class="LineNr">140 </span> <a href='501draw-text.mu.html#L285'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, y, <span class="Constant">3</span> +<span id="L141" class="LineNr">141 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">") in color "</span>, <span class="Constant">3</span> +<span id="L142" class="LineNr">142 </span> <a href='501draw-text.mu.html#L285'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, fg, <span class="Constant">3</span> +<span id="L143" class="LineNr">143 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">" but observed color "</span>, <span class="Constant">3</span> +<span id="L144" class="LineNr">144 </span> <a href='501draw-text.mu.html#L285'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, color, <span class="Constant">3</span> +<span id="L145" class="LineNr">145 </span> <span class="Delimiter">}</span> +<span id="L146" class="LineNr">146 </span> <span class="Delimiter">}</span> +<span id="L147" class="LineNr">147 </span> idx <span class="SpecialChar"><-</span> increment +<span id="L148" class="LineNr">148 </span> increment x +<span id="L149" class="LineNr">149 </span> <span class="PreProc">loop</span> +<span id="L150" class="LineNr">150 </span> <span class="Delimiter">}</span> +<span id="L151" class="LineNr">151 </span><span class="Delimiter">}</span> +<span id="L152" class="LineNr">152 </span> +<span id="L153" class="LineNr">153 </span><span class="PreProc">fn</span> <span class="muTest"><a href='504test-screen.mu.html#L153'>test-draw-single-grapheme</a></span> <span class="Delimiter">{</span> +<span id="L154" class="LineNr">154 </span> <span class="PreProc">var</span> screen-on-stack: <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L155" class="LineNr">155 </span> <span class="PreProc">var</span> <a href='500text-screen.mu.html#L9'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> address screen-on-stack +<span id="L156" class="LineNr">156 </span> <a href='500text-screen.mu.html#L22'>initialize-screen</a> <a href='500text-screen.mu.html#L9'>screen</a>, <span class="Constant">5</span>, <span class="Constant">4</span> +<span id="L157" class="LineNr">157 </span> <span class="PreProc">var</span> c/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> copy <span class="Constant">0x61</span> <span class="muComment"># 'a'</span> +<span id="L158" class="LineNr">158 </span> <a href='500text-screen.mu.html#L68'>draw-grapheme</a> <a href='500text-screen.mu.html#L9'>screen</a>, c, <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">1</span> <span class="muComment"># color=1</span> +<span id="L159" class="LineNr">159 </span> <a href='504test-screen.mu.html#L7'>check-screen-row</a> <a href='500text-screen.mu.html#L9'>screen</a>, <span class="Constant">0</span>, <span class="Constant">"a"</span>, <span class="Constant">"F - test-draw-single-grapheme"</span> <span class="muComment"># top-left corner of the screen</span> +<span id="L160" class="LineNr">160 </span><span class="Delimiter">}</span> +<span id="L161" class="LineNr">161 </span> +<span id="L162" class="LineNr">162 </span><span class="PreProc">fn</span> <span class="muTest"><a href='504test-screen.mu.html#L162'>test-draw-multiple-graphemes</a></span> <span class="Delimiter">{</span> +<span id="L163" class="LineNr">163 </span> <span class="PreProc">var</span> screen-on-stack: <a href='500text-screen.mu.html#L9'>screen</a> +<span id="L164" class="LineNr">164 </span> <span class="PreProc">var</span> <a href='500text-screen.mu.html#L9'>screen</a>/<span class="Constant">esi</span>: (addr <a href='500text-screen.mu.html#L9'>screen</a>) <span class="SpecialChar"><-</span> address screen-on-stack +<span id="L165" class="LineNr">165 </span> <a href='500text-screen.mu.html#L22'>initialize-screen</a> <a href='500text-screen.mu.html#L9'>screen</a>, <span class="Constant">0x10</span>, <span class="Constant">4</span> +<span id="L166" class="LineNr">166 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500text-screen.mu.html#L9'>screen</a>, <span class="Constant">"Hello, 世界"</span>, <span class="Constant">1</span> <span class="muComment"># color=1</span> +<span id="L167" class="LineNr">167 </span> <a href='504test-screen.mu.html#L7'>check-screen-row</a> <a href='500text-screen.mu.html#L9'>screen</a>, <span class="Constant">0</span>, <span class="Constant">"Hello, 世界"</span>, <span class="Constant">"F - test-draw-multiple-graphemes"</span> +<span id="L168" class="LineNr">168 </span><span class="Delimiter">}</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> diff --git a/html/baremetal/boot.hex.html b/html/baremetal/boot.hex.html index 0547c333..d27c6b01 100644 --- a/html/baremetal/boot.hex.html +++ b/html/baremetal/boot.hex.html @@ -113,13 +113,13 @@ if ('onhashchange' in window) { <span id="L58" class="LineNr"> 58 </span> <span class="subxComment"># calls, so we don't need to initialize the stack.</span> <span id="L59" class="LineNr"> 59 </span> <span id="L60" class="LineNr"> 60 </span><span class="subxComment"># 0e:</span> -<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># load second sector from disk</span> +<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># load some sectors from disk</span> <span id="L62" class="LineNr"> 62 </span> b4 02 <span class="subxComment"># ah <- 2 # read sectors from disk</span> <span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># dl comes conveniently initialized at boot time with the index of the device being booted</span> <span id="L64" class="LineNr"> 64 </span> b5 00 <span class="subxComment"># ch <- 0 # cylinder 0</span> <span id="L65" class="LineNr"> 65 </span> b6 00 <span class="subxComment"># dh <- 0 # track 0</span> <span id="L66" class="LineNr"> 66 </span> b1 02 <span class="subxComment"># cl <- 2 # second sector, 1-based</span> -<span id="L67" class="LineNr"> 67 </span> b0 20 <span class="subxComment"># al <- 32 # number of sectors to read; all sectors must be in a single track</span> +<span id="L67" class="LineNr"> 67 </span> b0 80 <span class="subxComment"># al <- 128 # number of sectors to read; TODO - all sectors might need to be in a single track on real hardware (so 63 sectors at most including the boot sector)</span> <span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># address to write sectors to = es:bx = 0x7e00, contiguous with boot segment</span> <span id="L69" class="LineNr"> 69 </span> bb 00 00 <span class="subxComment"># bx <- 0</span> <span id="L70" class="LineNr"> 70 </span> 8e c3 <span class="subxComment"># es <- bx</span> @@ -288,7 +288,7 @@ if ('onhashchange' in window) { <span id="L233" class="LineNr">233 </span> <span class="subxComment"># if (status & 0x1) == 0, return</span> <span id="L234" class="LineNr">234 </span> 24 01 <span class="subxComment"># al <- and 0x1</span> <span id="L235" class="LineNr">235 </span> 3c 00 <span class="subxComment"># compare al, 0</span> -<span id="L236" class="LineNr">236 </span> 74 35 <span class="subxComment"># jump to epilogue if = [label]</span> +<span id="L236" class="LineNr">236 </span> 74 39 <span class="subxComment"># jump to epilogue if = [label]</span> <span id="L237" class="LineNr">237 </span><span class="subxComment"># 120:</span> <span id="L238" class="LineNr">238 </span> <span class="subxComment"># if keyboard buffer is full, return</span> <span id="L239" class="LineNr">239 </span> 31 c9 <span class="subxComment"># ecx <- xor ecx; 11/direct 001/r32/ecx 001/rm32/ecx</span> @@ -303,7 +303,7 @@ if ('onhashchange' in window) { <span id="L248" class="LineNr">248 </span> <span class="subxS1Comment"># . if (al != 0) return</span> <span id="L249" class="LineNr">249 </span> 3c 00 <span class="subxComment"># compare al, 0</span> <span id="L250" class="LineNr">250 </span><span class="subxComment"># 130:</span> -<span id="L251" class="LineNr">251 </span> 75 23 <span class="subxComment"># jump to epilogue if != [label]</span> +<span id="L251" class="LineNr">251 </span> 75 27 <span class="subxComment"># jump to epilogue if != [label]</span> <span id="L252" class="LineNr">252 </span> <span class="subxComment"># read keycode into al</span> <span id="L253" class="LineNr">253 </span> e4 60 <span class="subxComment"># al <- port 0x60</span> <span id="L254" class="LineNr">254 </span> <span class="subxComment"># if (al & 0x80) a key is being lifted; return</span> @@ -311,104 +311,104 @@ if ('onhashchange' in window) { <span id="L256" class="LineNr">256 </span> 24 80 <span class="subxComment"># al <- and 0x80</span> <span id="L257" class="LineNr">257 </span> 3c 00 <span class="subxComment"># compare al, 0</span> <span id="L258" class="LineNr">258 </span> 58 <span class="subxComment"># pop to eax (without touching flags)</span> -<span id="L259" class="LineNr">259 </span> 75 19 <span class="subxComment"># jump to epilogue if != [label]</span> +<span id="L259" class="LineNr">259 </span> 75 1d <span class="subxComment"># jump to epilogue if != [label]</span> <span id="L260" class="LineNr">260 </span><span class="subxComment"># 13c:</span> <span id="L261" class="LineNr">261 </span> <span class="subxComment"># al <- *(keyboard normal map + eax)</span> <span id="L262" class="LineNr">262 </span> 8a <span class="subxComment"># copy m8 at rm32 to r8</span> <span id="L263" class="LineNr">263 </span> 80 <span class="subxComment"># 10/mod/*+disp32 000/r8/al 000/rm32/eax</span> <span id="L264" class="LineNr">264 </span> 00 80 00 00 <span class="subxComment"># disp32 [label]</span> -<span id="L265" class="LineNr">265 </span> <span class="subxComment"># store al in keyboard buffer</span> -<span id="L266" class="LineNr">266 </span> 88 <span class="subxComment"># copy r8 to m8 at r32</span> -<span id="L267" class="LineNr">267 </span> 81 <span class="subxComment"># 10/mod/*+disp32 000/r8/al 001/rm32/ecx</span> -<span id="L268" class="LineNr">268 </span> d0 7d 00 00 <span class="subxComment"># disp32 [label]</span> -<span id="L269" class="LineNr">269 </span><span class="subxComment"># 148:</span> -<span id="L270" class="LineNr">270 </span> <span class="subxComment"># increment index</span> -<span id="L271" class="LineNr">271 </span> fe <span class="subxComment"># increment byte</span> -<span id="L272" class="LineNr">272 </span> 05 <span class="subxComment"># 00/mod/indirect 000/subop/increment 101/rm32/use-disp32</span> -<span id="L273" class="LineNr">273 </span> c8 7d 00 00 <span class="subxComment"># disp32 [label]</span> -<span id="L274" class="LineNr">274 </span> <span class="subxComment"># clear top nibble of index (keyboard buffer is circular)</span> -<span id="L275" class="LineNr">275 </span> 80 <span class="subxComment"># and byte</span> -<span id="L276" class="LineNr">276 </span> 25 <span class="subxComment"># 00/mod/indirect 100/subop/and 101/rm32/use-disp32</span> +<span id="L265" class="LineNr">265 </span> <span class="subxComment"># if there's no character mapping, return</span> +<span id="L266" class="LineNr">266 </span> 3c 00 <span class="subxComment"># compare al, 0</span> +<span id="L267" class="LineNr">267 </span> 74 13 <span class="subxComment"># jump to epilogue if = [label]</span> +<span id="L268" class="LineNr">268 </span><span class="subxComment"># 146:</span> +<span id="L269" class="LineNr">269 </span> <span class="subxComment"># store al in keyboard buffer</span> +<span id="L270" class="LineNr">270 </span> 88 <span class="subxComment"># copy r8 to m8 at r32</span> +<span id="L271" class="LineNr">271 </span> 81 <span class="subxComment"># 10/mod/*+disp32 000/r8/al 001/rm32/ecx</span> +<span id="L272" class="LineNr">272 </span> d0 7d 00 00 <span class="subxComment"># disp32 [label]</span> +<span id="L273" class="LineNr">273 </span><span class="subxComment"># 14c:</span> +<span id="L274" class="LineNr">274 </span> <span class="subxComment"># increment index</span> +<span id="L275" class="LineNr">275 </span> fe <span class="subxComment"># increment byte</span> +<span id="L276" class="LineNr">276 </span> 05 <span class="subxComment"># 00/mod/indirect 000/subop/increment 101/rm32/use-disp32</span> <span id="L277" class="LineNr">277 </span> c8 7d 00 00 <span class="subxComment"># disp32 [label]</span> -<span id="L278" class="LineNr">278 </span> 0f <span class="subxComment"># imm8</span> -<span id="L279" class="LineNr">279 </span><span class="subxComment"># 155:</span> -<span id="L280" class="LineNr">280 </span> <span class="subxComment"># epilogue</span> -<span id="L281" class="LineNr">281 </span> 61 <span class="subxComment"># pop all registers</span> -<span id="L282" class="LineNr">282 </span> fb <span class="subxComment"># enable interrupts</span> -<span id="L283" class="LineNr">283 </span> cf <span class="subxComment"># iret</span> -<span id="L284" class="LineNr">284 </span> -<span id="L285" class="LineNr">285 </span><span class="subxComment"># padding</span> -<span id="L286" class="LineNr">286 </span><span class="subxComment"># 158:</span> -<span id="L287" class="LineNr">287 </span> 00 00 00 00 00 00 00 00 -<span id="L288" class="LineNr">288 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -<span id="L289" class="LineNr">289 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -<span id="L290" class="LineNr">290 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -<span id="L291" class="LineNr">291 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +<span id="L278" class="LineNr">278 </span> <span class="subxComment"># clear top nibble of index (keyboard buffer is circular)</span> +<span id="L279" class="LineNr">279 </span> 80 <span class="subxComment"># and byte</span> +<span id="L280" class="LineNr">280 </span> 25 <span class="subxComment"># 00/mod/indirect 100/subop/and 101/rm32/use-disp32</span> +<span id="L281" class="LineNr">281 </span> c8 7d 00 00 <span class="subxComment"># disp32 [label]</span> +<span id="L282" class="LineNr">282 </span> 0f <span class="subxComment"># imm8</span> +<span id="L283" class="LineNr">283 </span><span class="subxComment"># 159:</span> +<span id="L284" class="LineNr">284 </span> <span class="subxComment"># epilogue</span> +<span id="L285" class="LineNr">285 </span> 61 <span class="subxComment"># pop all registers</span> +<span id="L286" class="LineNr">286 </span> fb <span class="subxComment"># enable interrupts</span> +<span id="L287" class="LineNr">287 </span> cf <span class="subxComment"># iret</span> +<span id="L288" class="LineNr">288 </span> +<span id="L289" class="LineNr">289 </span><span class="subxComment"># padding</span> +<span id="L290" class="LineNr">290 </span><span class="subxComment"># 15c:</span> +<span id="L291" class="LineNr">291 </span> 00 00 00 00 <span id="L292" class="LineNr">292 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <span id="L293" class="LineNr">293 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -<span id="L294" class="LineNr">294 </span>00 00 00 00 00 00 00 00 -<span id="L295" class="LineNr">295 </span> -<span id="L296" class="LineNr">296 </span><span class="subxComment"># 1c8:</span> -<span id="L297" class="LineNr">297 </span><span class="subxComment"># var keyboard circular buffer</span> -<span id="L298" class="LineNr">298 </span><span class="subxComment"># write index: nibble</span> -<span id="L299" class="LineNr">299 </span><span class="subxComment"># still take up 4 bytes so SubX can handle it</span> -<span id="L300" class="LineNr">300 </span> 00 00 00 00 -<span id="L301" class="LineNr">301 </span><span class="subxComment"># 1cc:</span> -<span id="L302" class="LineNr">302 </span><span class="subxComment"># read index: nibble</span> +<span id="L294" class="LineNr">294 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +<span id="L295" class="LineNr">295 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +<span id="L296" class="LineNr">296 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +<span id="L297" class="LineNr">297 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +<span id="L298" class="LineNr">298 </span>00 00 00 00 00 00 00 00 +<span id="L299" class="LineNr">299 </span> +<span id="L300" class="LineNr">300 </span><span class="subxComment"># 1c8:</span> +<span id="L301" class="LineNr">301 </span><span class="subxComment"># var keyboard circular buffer</span> +<span id="L302" class="LineNr">302 </span><span class="subxComment"># write index: nibble</span> <span id="L303" class="LineNr">303 </span><span class="subxComment"># still take up 4 bytes so SubX can handle it</span> <span id="L304" class="LineNr">304 </span> 00 00 00 00 -<span id="L305" class="LineNr">305 </span><span class="subxComment"># 1d0:</span> -<span id="L306" class="LineNr">306 </span><span class="subxComment"># circular buffer: byte[16]</span> -<span id="L307" class="LineNr">307 </span> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -<span id="L308" class="LineNr">308 </span> -<span id="L309" class="LineNr">309 </span><span class="subxComment"># padding</span> -<span id="L310" class="LineNr">310 </span><span class="subxComment"># 1e0:</span> -<span id="L311" class="LineNr">311 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -<span id="L312" class="LineNr">312 </span>00 00 00 00 00 00 00 00 -<span id="L313" class="LineNr">313 </span> -<span id="L314" class="LineNr">314 </span><span class="subxComment"># 1f8:</span> -<span id="L315" class="LineNr">315 </span><span class="subxComment"># idt_descriptor:</span> -<span id="L316" class="LineNr">316 </span> ff 00 <span class="subxComment"># idt_end - idt_start - 1</span> -<span id="L317" class="LineNr">317 </span> 00 7e 00 00 <span class="subxComment"># start = idt_start [label]</span> -<span id="L318" class="LineNr">318 </span> -<span id="L319" class="LineNr">319 </span><span class="subxComment"># 1fe:</span> -<span id="L320" class="LineNr">320 </span><span class="subxComment"># final 2 bytes of boot sector</span> -<span id="L321" class="LineNr">321 </span>55 aa +<span id="L305" class="LineNr">305 </span><span class="subxComment"># 1cc:</span> +<span id="L306" class="LineNr">306 </span><span class="subxComment"># read index: nibble</span> +<span id="L307" class="LineNr">307 </span><span class="subxComment"># still take up 4 bytes so SubX can handle it</span> +<span id="L308" class="LineNr">308 </span> 00 00 00 00 +<span id="L309" class="LineNr">309 </span><span class="subxComment"># 1d0:</span> +<span id="L310" class="LineNr">310 </span><span class="subxComment"># circular buffer: byte[16]</span> +<span id="L311" class="LineNr">311 </span> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +<span id="L312" class="LineNr">312 </span> +<span id="L313" class="LineNr">313 </span><span class="subxComment"># padding</span> +<span id="L314" class="LineNr">314 </span><span class="subxComment"># 1e0:</span> +<span id="L315" class="LineNr">315 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +<span id="L316" class="LineNr">316 </span>00 00 00 00 00 00 00 00 +<span id="L317" class="LineNr">317 </span> +<span id="L318" class="LineNr">318 </span><span class="subxComment"># 1f8:</span> +<span id="L319" class="LineNr">319 </span><span class="subxComment"># idt_descriptor:</span> +<span id="L320" class="LineNr">320 </span> ff 00 <span class="subxComment"># idt_end - idt_start - 1</span> +<span id="L321" class="LineNr">321 </span> 00 7e 00 00 <span class="subxComment"># start = idt_start [label]</span> <span id="L322" class="LineNr">322 </span> -<span id="L323" class="LineNr">323 </span><span class="subxComment">## sector 2</span> -<span id="L324" class="LineNr">324 </span><span class="subxComment"># loaded by load_disk, not automatically on boot</span> -<span id="L325" class="LineNr">325 </span> -<span id="L326" class="LineNr">326 </span><span class="subxComment"># offset 200 (address 0x7e00): interrupt descriptor table</span> -<span id="L327" class="LineNr">327 </span><span class="subxComment"># 32 entries * 8 bytes each = 256 bytes (0x100)</span> -<span id="L328" class="LineNr">328 </span><span class="subxComment"># idt_start:</span> +<span id="L323" class="LineNr">323 </span><span class="subxComment"># 1fe:</span> +<span id="L324" class="LineNr">324 </span><span class="subxComment"># final 2 bytes of boot sector</span> +<span id="L325" class="LineNr">325 </span>55 aa +<span id="L326" class="LineNr">326 </span> +<span id="L327" class="LineNr">327 </span><span class="subxComment">## sector 2</span> +<span id="L328" class="LineNr">328 </span><span class="subxComment"># loaded by load_disk, not automatically on boot</span> <span id="L329" class="LineNr">329 </span> -<span id="L330" class="LineNr">330 </span>00 00 00 00 00 00 00 00 -<span id="L331" class="LineNr">331 </span>00 00 00 00 00 00 00 00 -<span id="L332" class="LineNr">332 </span>00 00 00 00 00 00 00 00 -<span id="L333" class="LineNr">333 </span>00 00 00 00 00 00 00 00 +<span id="L330" class="LineNr">330 </span><span class="subxComment"># offset 200 (address 0x7e00): interrupt descriptor table</span> +<span id="L331" class="LineNr">331 </span><span class="subxComment"># 32 entries * 8 bytes each = 256 bytes (0x100)</span> +<span id="L332" class="LineNr">332 </span><span class="subxComment"># idt_start:</span> +<span id="L333" class="LineNr">333 </span> <span id="L334" class="LineNr">334 </span>00 00 00 00 00 00 00 00 <span id="L335" class="LineNr">335 </span>00 00 00 00 00 00 00 00 <span id="L336" class="LineNr">336 </span>00 00 00 00 00 00 00 00 <span id="L337" class="LineNr">337 </span>00 00 00 00 00 00 00 00 -<span id="L338" class="LineNr">338 </span> -<span id="L339" class="LineNr">339 </span><span class="subxComment"># entry 8: clock</span> -<span id="L340" class="LineNr">340 </span> 00 7d <span class="subxComment"># target[0:16] = null interrupt handler [label]</span> -<span id="L341" class="LineNr">341 </span> 08 00 <span class="subxComment"># segment selector (gdt_code)</span> -<span id="L342" class="LineNr">342 </span> 00 <span class="subxComment"># unused</span> -<span id="L343" class="LineNr">343 </span> 8e <span class="subxComment"># 1/p 00/dpl 0 1110/type/32-bit-interrupt-gate</span> -<span id="L344" class="LineNr">344 </span> 00 00 <span class="subxComment"># target[16:32]</span> -<span id="L345" class="LineNr">345 </span> -<span id="L346" class="LineNr">346 </span><span class="subxComment"># entry 9: keyboard</span> -<span id="L347" class="LineNr">347 </span> 10 7d <span class="subxComment"># target[0:16] = keyboard interrupt handler [label]</span> -<span id="L348" class="LineNr">348 </span> 08 00 <span class="subxComment"># segment selector (gdt_code)</span> -<span id="L349" class="LineNr">349 </span> 00 <span class="subxComment"># unused</span> -<span id="L350" class="LineNr">350 </span> 8e <span class="subxComment"># 1/p 00/dpl 0 1110/type/32-bit-interrupt-gate</span> -<span id="L351" class="LineNr">351 </span> 00 00 <span class="subxComment"># target[16:32]</span> -<span id="L352" class="LineNr">352 </span> -<span id="L353" class="LineNr">353 </span>00 00 00 00 00 00 00 00 -<span id="L354" class="LineNr">354 </span>00 00 00 00 00 00 00 00 -<span id="L355" class="LineNr">355 </span>00 00 00 00 00 00 00 00 -<span id="L356" class="LineNr">356 </span>00 00 00 00 00 00 00 00 +<span id="L338" class="LineNr">338 </span>00 00 00 00 00 00 00 00 +<span id="L339" class="LineNr">339 </span>00 00 00 00 00 00 00 00 +<span id="L340" class="LineNr">340 </span>00 00 00 00 00 00 00 00 +<span id="L341" class="LineNr">341 </span>00 00 00 00 00 00 00 00 +<span id="L342" class="LineNr">342 </span> +<span id="L343" class="LineNr">343 </span><span class="subxComment"># entry 8: clock</span> +<span id="L344" class="LineNr">344 </span> 00 7d <span class="subxComment"># target[0:16] = null interrupt handler [label]</span> +<span id="L345" class="LineNr">345 </span> 08 00 <span class="subxComment"># segment selector (gdt_code)</span> +<span id="L346" class="LineNr">346 </span> 00 <span class="subxComment"># unused</span> +<span id="L347" class="LineNr">347 </span> 8e <span class="subxComment"># 1/p 00/dpl 0 1110/type/32-bit-interrupt-gate</span> +<span id="L348" class="LineNr">348 </span> 00 00 <span class="subxComment"># target[16:32]</span> +<span id="L349" class="LineNr">349 </span> +<span id="L350" class="LineNr">350 </span><span class="subxComment"># entry 9: keyboard</span> +<span id="L351" class="LineNr">351 </span> 10 7d <span class="subxComment"># target[0:16] = keyboard interrupt handler [label]</span> +<span id="L352" class="LineNr">352 </span> 08 00 <span class="subxComment"># segment selector (gdt_code)</span> +<span id="L353" class="LineNr">353 </span> 00 <span class="subxComment"># unused</span> +<span id="L354" class="LineNr">354 </span> 8e <span class="subxComment"># 1/p 00/dpl 0 1110/type/32-bit-interrupt-gate</span> +<span id="L355" class="LineNr">355 </span> 00 00 <span class="subxComment"># target[16:32]</span> +<span id="L356" class="LineNr">356 </span> <span id="L357" class="LineNr">357 </span>00 00 00 00 00 00 00 00 <span id="L358" class="LineNr">358 </span>00 00 00 00 00 00 00 00 <span id="L359" class="LineNr">359 </span>00 00 00 00 00 00 00 00 @@ -427,52 +427,52 @@ if ('onhashchange' in window) { <span id="L372" class="LineNr">372 </span>00 00 00 00 00 00 00 00 <span id="L373" class="LineNr">373 </span>00 00 00 00 00 00 00 00 <span id="L374" class="LineNr">374 </span>00 00 00 00 00 00 00 00 -<span id="L375" class="LineNr">375 </span><span class="subxComment"># idt_end:</span> -<span id="L376" class="LineNr">376 </span> -<span id="L377" class="LineNr">377 </span><span class="subxComment"># offset 300 (address 0x7f00):</span> -<span id="L378" class="LineNr">378 </span><span class="subxComment"># video mode info:</span> -<span id="L379" class="LineNr">379 </span> 00 00 <span class="subxComment"># attributes</span> -<span id="L380" class="LineNr">380 </span> 00 <span class="subxComment"># winA</span> -<span id="L381" class="LineNr">381 </span> 00 <span class="subxComment"># winB</span> -<span id="L382" class="LineNr">382 </span><span class="subxComment"># 304</span> -<span id="L383" class="LineNr">383 </span> 00 00 <span class="subxComment"># granularity</span> -<span id="L384" class="LineNr">384 </span> 00 00 <span class="subxComment"># winsize</span> -<span id="L385" class="LineNr">385 </span><span class="subxComment"># 308</span> -<span id="L386" class="LineNr">386 </span> 00 00 <span class="subxComment"># segmentA</span> -<span id="L387" class="LineNr">387 </span> 00 00 <span class="subxComment"># segmentB</span> -<span id="L388" class="LineNr">388 </span><span class="subxComment"># 30c</span> -<span id="L389" class="LineNr">389 </span> 00 00 00 00 <span class="subxComment"># realFctPtr (who knows)</span> -<span id="L390" class="LineNr">390 </span><span class="subxComment"># 310</span> -<span id="L391" class="LineNr">391 </span> 00 00 <span class="subxComment"># pitch</span> -<span id="L392" class="LineNr">392 </span> 00 00 <span class="subxComment"># Xres</span> -<span id="L393" class="LineNr">393 </span><span class="subxComment"># 314</span> -<span id="L394" class="LineNr">394 </span> 00 00 <span class="subxComment"># Yres</span> -<span id="L395" class="LineNr">395 </span> 00 00 <span class="subxComment"># Wchar Ychar</span> -<span id="L396" class="LineNr">396 </span><span class="subxComment"># 318</span> -<span id="L397" class="LineNr">397 </span> 00 <span class="subxComment"># planes</span> -<span id="L398" class="LineNr">398 </span> 00 <span class="subxComment"># bpp</span> -<span id="L399" class="LineNr">399 </span> 00 <span class="subxComment"># banks</span> -<span id="L400" class="LineNr">400 </span> 00 <span class="subxComment"># memory_model</span> -<span id="L401" class="LineNr">401 </span><span class="subxComment"># 31c</span> -<span id="L402" class="LineNr">402 </span> 00 <span class="subxComment"># bank_size</span> -<span id="L403" class="LineNr">403 </span> 00 <span class="subxComment"># image_pages</span> -<span id="L404" class="LineNr">404 </span> 00 <span class="subxComment"># reserved</span> -<span id="L405" class="LineNr">405 </span><span class="subxComment"># 31f</span> -<span id="L406" class="LineNr">406 </span> 00 00 <span class="subxComment"># red_mask red_position</span> -<span id="L407" class="LineNr">407 </span> 00 00 <span class="subxComment"># green_mask green_position</span> -<span id="L408" class="LineNr">408 </span> 00 00 <span class="subxComment"># blue_mask blue_position</span> -<span id="L409" class="LineNr">409 </span> 00 00 <span class="subxComment"># rsv_mask rsv_position</span> -<span id="L410" class="LineNr">410 </span> 00 <span class="subxComment"># directcolor_attributes</span> -<span id="L411" class="LineNr">411 </span><span class="subxComment"># 328</span> -<span id="L412" class="LineNr">412 </span> 00 00 00 00 <span class="subxComment"># physbase <== linear frame buffer</span> -<span id="L413" class="LineNr">413 </span> -<span id="L414" class="LineNr">414 </span><span class="subxComment"># 32c</span> -<span id="L415" class="LineNr">415 </span><span class="subxComment"># reserved for video mode info</span> -<span id="L416" class="LineNr">416 </span> 00 00 00 00 -<span id="L417" class="LineNr">417 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -<span id="L418" class="LineNr">418 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -<span id="L419" class="LineNr">419 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -<span id="L420" class="LineNr">420 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +<span id="L375" class="LineNr">375 </span>00 00 00 00 00 00 00 00 +<span id="L376" class="LineNr">376 </span>00 00 00 00 00 00 00 00 +<span id="L377" class="LineNr">377 </span>00 00 00 00 00 00 00 00 +<span id="L378" class="LineNr">378 </span>00 00 00 00 00 00 00 00 +<span id="L379" class="LineNr">379 </span><span class="subxComment"># idt_end:</span> +<span id="L380" class="LineNr">380 </span> +<span id="L381" class="LineNr">381 </span><span class="subxComment"># offset 300 (address 0x7f00):</span> +<span id="L382" class="LineNr">382 </span><span class="subxComment"># video mode info:</span> +<span id="L383" class="LineNr">383 </span> 00 00 <span class="subxComment"># attributes</span> +<span id="L384" class="LineNr">384 </span> 00 <span class="subxComment"># winA</span> +<span id="L385" class="LineNr">385 </span> 00 <span class="subxComment"># winB</span> +<span id="L386" class="LineNr">386 </span><span class="subxComment"># 304</span> +<span id="L387" class="LineNr">387 </span> 00 00 <span class="subxComment"># granularity</span> +<span id="L388" class="LineNr">388 </span> 00 00 <span class="subxComment"># winsize</span> +<span id="L389" class="LineNr">389 </span><span class="subxComment"># 308</span> +<span id="L390" class="LineNr">390 </span> 00 00 <span class="subxComment"># segmentA</span> +<span id="L391" class="LineNr">391 </span> 00 00 <span class="subxComment"># segmentB</span> +<span id="L392" class="LineNr">392 </span><span class="subxComment"># 30c</span> +<span id="L393" class="LineNr">393 </span> 00 00 00 00 <span class="subxComment"># realFctPtr (who knows)</span> +<span id="L394" class="LineNr">394 </span><span class="subxComment"># 310</span> +<span id="L395" class="LineNr">395 </span> 00 00 <span class="subxComment"># pitch</span> +<span id="L396" class="LineNr">396 </span> 00 00 <span class="subxComment"># Xres</span> +<span id="L397" class="LineNr">397 </span><span class="subxComment"># 314</span> +<span id="L398" class="LineNr">398 </span> 00 00 <span class="subxComment"># Yres</span> +<span id="L399" class="LineNr">399 </span> 00 00 <span class="subxComment"># Wchar Ychar</span> +<span id="L400" class="LineNr">400 </span><span class="subxComment"># 318</span> +<span id="L401" class="LineNr">401 </span> 00 <span class="subxComment"># planes</span> +<span id="L402" class="LineNr">402 </span> 00 <span class="subxComment"># bpp</span> +<span id="L403" class="LineNr">403 </span> 00 <span class="subxComment"># banks</span> +<span id="L404" class="LineNr">404 </span> 00 <span class="subxComment"># memory_model</span> +<span id="L405" class="LineNr">405 </span><span class="subxComment"># 31c</span> +<span id="L406" class="LineNr">406 </span> 00 <span class="subxComment"># bank_size</span> +<span id="L407" class="LineNr">407 </span> 00 <span class="subxComment"># image_pages</span> +<span id="L408" class="LineNr">408 </span> 00 <span class="subxComment"># reserved</span> +<span id="L409" class="LineNr">409 </span><span class="subxComment"># 31f</span> +<span id="L410" class="LineNr">410 </span> 00 00 <span class="subxComment"># red_mask red_position</span> +<span id="L411" class="LineNr">411 </span> 00 00 <span class="subxComment"># green_mask green_position</span> +<span id="L412" class="LineNr">412 </span> 00 00 <span class="subxComment"># blue_mask blue_position</span> +<span id="L413" class="LineNr">413 </span> 00 00 <span class="subxComment"># rsv_mask rsv_position</span> +<span id="L414" class="LineNr">414 </span> 00 <span class="subxComment"># directcolor_attributes</span> +<span id="L415" class="LineNr">415 </span><span class="subxComment"># 328</span> +<span id="L416" class="LineNr">416 </span> 00 00 00 00 <span class="subxComment"># physbase <== linear frame buffer</span> +<span id="L417" class="LineNr">417 </span> +<span id="L418" class="LineNr">418 </span><span class="subxComment"># 32c</span> +<span id="L419" class="LineNr">419 </span><span class="subxComment"># reserved for video mode info</span> +<span id="L420" class="LineNr">420 </span> 00 00 00 00 <span id="L421" class="LineNr">421 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <span id="L422" class="LineNr">422 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <span id="L423" class="LineNr">423 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 @@ -482,18 +482,22 @@ if ('onhashchange' in window) { <span id="L427" class="LineNr">427 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <span id="L428" class="LineNr">428 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <span id="L429" class="LineNr">429 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -<span id="L430" class="LineNr">430 </span> -<span id="L431" class="LineNr">431 </span><span class="subxComment">## the rest of this file has data</span> -<span id="L432" class="LineNr">432 </span> -<span id="L433" class="LineNr">433 </span><span class="subxComment"># offset 400 (address 0x8000):</span> -<span id="L434" class="Folded">434 </span><span class="Folded">+--158 lines: # translating keys to ASCII -----------------------------------------------------------------------------------------------------------------------------------------------</span> -<span id="L592" class="LineNr">592 </span> -<span id="L593" class="LineNr">593 </span><span class="subxComment"># offset c00 (address 0x8800)</span> -<span id="L594" class="Folded">594 </span><span class="Folded">+--236 lines: # Bitmaps for some ASCII characters (soon Unicode) ------------------------------------------------------------------------------------------------------------------------</span> -<span id="L830" class="LineNr">830 </span> -<span id="L831" class="LineNr">831 </span><span class="subxComment"># offset 1400 (address 0x9000)</span> -<span id="L832" class="LineNr">832 </span> -<span id="L833" class="LineNr">833 </span><span class="subxComment"># vim:ft=subx</span> +<span id="L430" class="LineNr">430 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +<span id="L431" class="LineNr">431 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +<span id="L432" class="LineNr">432 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +<span id="L433" class="LineNr">433 </span>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +<span id="L434" class="LineNr">434 </span> +<span id="L435" class="LineNr">435 </span><span class="subxComment">## the rest of this file has data</span> +<span id="L436" class="LineNr">436 </span> +<span id="L437" class="LineNr">437 </span><span class="subxComment"># offset 400 (address 0x8000):</span> +<span id="L438" class="Folded">438 </span><span class="Folded">+--161 lines: # translating keys to ASCII -----------------------------------------------------------------------------------------------------------------------------------------------</span> +<span id="L599" class="LineNr">599 </span> +<span id="L600" class="LineNr">600 </span><span class="subxComment"># offset c00 (address 0x8800)</span> +<span id="L601" class="Folded">601 </span><span class="Folded">+--236 lines: # Bitmaps for some ASCII characters (soon Unicode) ------------------------------------------------------------------------------------------------------------------------</span> +<span id="L837" class="LineNr">837 </span> +<span id="L838" class="LineNr">838 </span><span class="subxComment"># offset 1400 (address 0x9000)</span> +<span id="L839" class="LineNr">839 </span> +<span id="L840" class="LineNr">840 </span><span class="subxComment"># vim:ft=subx</span> </pre> </body> </html> diff --git a/html/baremetal/ex2.mu.html b/html/baremetal/ex2.mu.html index dc700ce5..585e281d 100644 --- a/html/baremetal/ex2.mu.html +++ b/html/baremetal/ex2.mu.html @@ -71,15 +71,15 @@ if ('onhashchange' in window) { <span id="L13" class="LineNr">13 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex2.mu.html#L13'>main</a></span> <span class="Delimiter">{</span> <span id="L14" class="LineNr">14 </span> <span class="PreProc">var</span> y/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> <span id="L15" class="LineNr">15 </span> <span class="Delimiter">{</span> -<span id="L16" class="LineNr">16 </span> compare y, <span class="Constant">0x300</span> <span class="muComment"># 768</span> +<span id="L16" class="LineNr">16 </span> compare y, <span class="Constant">0x300</span> <span class="muComment"># screen-height = 768</span> <span id="L17" class="LineNr">17 </span> <span class="PreProc">break-if->=</span> <span id="L18" class="LineNr">18 </span> <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> <span id="L19" class="LineNr">19 </span> <span class="Delimiter">{</span> -<span id="L20" class="LineNr">20 </span> compare x, <span class="Constant">0x400</span> <span class="muComment"># 1024</span> +<span id="L20" class="LineNr">20 </span> compare x, <span class="Constant">0x400</span> <span class="muComment"># screen-width = 1024</span> <span id="L21" class="LineNr">21 </span> <span class="PreProc">break-if->=</span> <span id="L22" class="LineNr">22 </span> <span class="PreProc">var</span> color/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy x <span id="L23" class="LineNr">23 </span> color <span class="SpecialChar"><-</span> and <span class="Constant">0xff</span> -<span id="L24" class="LineNr">24 </span> <a href='101screen.subx.html#L5'>pixel</a> <span class="Constant">0</span>, x, y, color +<span id="L24" class="LineNr">24 </span> <a href='101screen.subx.html#L8'>pixel-on-real-screen</a> x, y, color <span id="L25" class="LineNr">25 </span> x <span class="SpecialChar"><-</span> increment <span id="L26" class="LineNr">26 </span> <span class="PreProc">loop</span> <span id="L27" class="LineNr">27 </span> <span class="Delimiter">}</span> diff --git a/html/baremetal/ex3.mu.html b/html/baremetal/ex3.mu.html index 288b015a..7b58231f 100644 --- a/html/baremetal/ex3.mu.html +++ b/html/baremetal/ex3.mu.html @@ -73,12 +73,12 @@ if ('onhashchange' in window) { <span id="L15" class="LineNr">15 </span> <span class="PreProc">var</span> x/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> <span id="L16" class="LineNr">16 </span> <span class="PreProc">var</span> y/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> <span id="L17" class="LineNr">17 </span> <span class="Delimiter">{</span> -<span id="L18" class="LineNr">18 </span> <span class="PreProc">var</span> key/<span class="Constant">eax</span>: byte <span class="SpecialChar"><-</span> <a href='102keyboard.subx.html#L6'>read-key</a> <span class="Constant">0</span> <span class="muComment"># real keyboard</span> +<span id="L18" class="LineNr">18 </span> <span class="PreProc">var</span> key/<span class="Constant">eax</span>: byte <span class="SpecialChar"><-</span> <a href='102keyboard.subx.html#L9'>read-key</a> <span class="Constant">0</span> <span class="muComment"># real keyboard</span> <span id="L19" class="LineNr">19 </span> compare key, <span class="Constant">0</span> <span id="L20" class="LineNr">20 </span> <span class="PreProc">loop-if-=</span> <span class="muComment"># busy wait</span> -<span id="L21" class="LineNr">21 </span> <a href='101screen.subx.html#L5'>pixel</a> <span class="Constant">0</span>, x, y, <span class="Constant">0x31</span> <span class="muComment"># green</span> +<span id="L21" class="LineNr">21 </span> <a href='101screen.subx.html#L8'>pixel-on-real-screen</a> x, y, <span class="Constant">0x31</span> <span class="muComment"># green</span> <span id="L22" class="LineNr">22 </span> x <span class="SpecialChar"><-</span> increment -<span id="L23" class="LineNr">23 </span> compare x, <span class="Constant">0x400</span> +<span id="L23" class="LineNr">23 </span> compare x, <span class="Constant">0x400</span> <span class="muComment"># screen-width</span> <span id="L24" class="LineNr">24 </span> <span class="Delimiter">{</span> <span id="L25" class="LineNr">25 </span> <span class="PreProc">break-if-<</span> <span id="L26" class="LineNr">26 </span> y <span class="SpecialChar"><-</span> increment diff --git a/html/baremetal/ex4.mu.html b/html/baremetal/ex4.mu.html index c74e8633..2a44bb75 100644 --- a/html/baremetal/ex4.mu.html +++ b/html/baremetal/ex4.mu.html @@ -69,7 +69,7 @@ if ('onhashchange' in window) { <span id="L11" class="LineNr">11 </span> <span id="L12" class="LineNr">12 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex4.mu.html#L12'>main</a></span> <span class="Delimiter">{</span> <span id="L13" class="LineNr">13 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> copy <span class="Constant">0x41</span> <span class="muComment"># 'A'</span> -<span id="L14" class="LineNr">14 </span> <a href='103grapheme.subx.html#L5'>draw-grapheme</a> <span class="Constant">0</span>, g, <span class="Constant">0x10</span>, <span class="Constant">0x10</span>, <span class="Constant">0xa</span> +<span id="L14" class="LineNr">14 </span> <a href='500text-screen.mu.html#L68'>draw-grapheme</a> <span class="Constant">0</span>, g, <span class="Constant">2</span>, <span class="Constant">1</span>, <span class="Constant">0xa</span> <span class="muComment"># x of 2 graphemes = 16px from top-left; y of 1 grapheme = 16px down from top-left</span> <span id="L15" class="LineNr">15 </span><span class="Delimiter">}</span> </pre> </body> diff --git a/html/baremetal/ex5.mu.html b/html/baremetal/ex5.mu.html index 2d58d605..1d661e78 100644 --- a/html/baremetal/ex5.mu.html +++ b/html/baremetal/ex5.mu.html @@ -69,8 +69,8 @@ if ('onhashchange' in window) { <span id="L11" class="LineNr">11 </span><span class="muComment"># Expected output: text in green near the top-left corner of screen</span> <span id="L12" class="LineNr">12 </span> <span id="L13" class="LineNr">13 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex5.mu.html#L13'>main</a></span> <span class="Delimiter">{</span> -<span id="L14" class="LineNr">14 </span> <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L65'>draw-text-rightward</a> <span class="Constant">0</span>, <span class="Constant">"hello from baremetal Mu!"</span>, <span class="Constant">0x10</span>, <span class="Constant">0x400</span>, <span class="Constant">0x10</span>, <span class="Constant">0xa</span> <span class="muComment"># xmax = end of screen, plenty of space</span> -<span id="L15" class="LineNr">15 </span> dummy <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L65'>draw-text-rightward</a> <span class="Constant">0</span>, <span class="Constant">"you shouldn't see this"</span>, <span class="Constant">0x10</span>, <span class="Constant">0xa0</span>, <span class="Constant">0x30</span>, <span class="Constant">0x3</span> <span class="muComment"># xmax = 0xa0, which is too narrow</span> +<span id="L14" class="LineNr">14 </span> <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L73'>draw-text-rightward</a> <span class="Constant">0</span>, <span class="Constant">"hello from baremetal Mu!"</span>, <span class="Constant">0x10</span>, <span class="Constant">0x400</span>, <span class="Constant">0x10</span>, <span class="Constant">0xa</span> <span class="muComment"># xmax = end of screen, plenty of space</span> +<span id="L15" class="LineNr">15 </span> dummy <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L73'>draw-text-rightward</a> <span class="Constant">0</span>, <span class="Constant">"you shouldn't see this"</span>, <span class="Constant">0x10</span>, <span class="Constant">0xa0</span>, <span class="Constant">0x30</span>, <span class="Constant">0x3</span> <span class="muComment"># xmax = 0xa0, which is too narrow</span> <span id="L16" class="LineNr">16 </span><span class="Delimiter">}</span> </pre> </body> diff --git a/html/baremetal/ex6.mu.html b/html/baremetal/ex6.mu.html index 01fd7ee4..f870f80e 100644 --- a/html/baremetal/ex6.mu.html +++ b/html/baremetal/ex6.mu.html @@ -69,24 +69,24 @@ if ('onhashchange' in window) { <span id="L11" class="LineNr">11 </span> <span id="L12" class="LineNr">12 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex6.mu.html#L12'>main</a></span> <span class="Delimiter">{</span> <span id="L13" class="LineNr">13 </span> <span class="muComment"># drawing text within a bounding box</span> -<span id="L14" class="LineNr">14 </span> <a href='503manhattan-line.mu.html#L1'>draw-box</a> <span class="Constant">0</span>, <span class="Constant">0xf</span>, <span class="Constant">0x1f</span>, <span class="Constant">0x79</span>, <span class="Constant">0x51</span>, <span class="Constant">0x4</span> +<span id="L14" class="LineNr">14 </span> <a href='503manhattan-line.mu.html#L1'>draw-box-on-real-screen</a> <span class="Constant">0xf</span>, <span class="Constant">0x1f</span>, <span class="Constant">0x79</span>, <span class="Constant">0x51</span>, <span class="Constant">0x4</span> <span id="L15" class="LineNr">15 </span> <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0x20</span> <span id="L16" class="LineNr">16 </span> <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0x20</span> -<span id="L17" class="LineNr">17 </span> x, y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L112'>draw-text-wrapping-right-then-down</a> <span class="Constant">0</span>, <span class="Constant">"hello "</span>, <span class="Constant">0x10</span>, <span class="Constant">0x20</span>, <span class="Constant">0x78</span>, <span class="Constant">0x50</span>, x, y, <span class="Constant">0xa</span> <span class="muComment"># (0x10, 0x20) -> (0x78, 0x50)</span> -<span id="L18" class="LineNr">18 </span> x, y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L112'>draw-text-wrapping-right-then-down</a> <span class="Constant">0</span>, <span class="Constant">"from "</span>, <span class="Constant">0x10</span>, <span class="Constant">0x20</span>, <span class="Constant">0x78</span>, <span class="Constant">0x50</span>, x, y, <span class="Constant">0xa</span> -<span id="L19" class="LineNr">19 </span> x, y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L112'>draw-text-wrapping-right-then-down</a> <span class="Constant">0</span>, <span class="Constant">"baremetal "</span>, <span class="Constant">0x10</span>, <span class="Constant">0x20</span>, <span class="Constant">0x78</span>, <span class="Constant">0x50</span>, x, y, <span class="Constant">0xa</span> -<span id="L20" class="LineNr">20 </span> x, y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L112'>draw-text-wrapping-right-then-down</a> <span class="Constant">0</span>, <span class="Constant">"Mu!"</span>, <span class="Constant">0x10</span>, <span class="Constant">0x20</span>, <span class="Constant">0x78</span>, <span class="Constant">0x50</span>, x, y, <span class="Constant">0xa</span> +<span id="L17" class="LineNr">17 </span> x, y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L120'>draw-text-wrapping-right-then-down</a> <span class="Constant">0</span>, <span class="Constant">"hello "</span>, <span class="Constant">0x10</span>, <span class="Constant">0x20</span>, <span class="Constant">0x78</span>, <span class="Constant">0x50</span>, x, y, <span class="Constant">0xa</span> <span class="muComment"># (0x10, 0x20) -> (0x78, 0x50)</span> +<span id="L18" class="LineNr">18 </span> x, y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L120'>draw-text-wrapping-right-then-down</a> <span class="Constant">0</span>, <span class="Constant">"from "</span>, <span class="Constant">0x10</span>, <span class="Constant">0x20</span>, <span class="Constant">0x78</span>, <span class="Constant">0x50</span>, x, y, <span class="Constant">0xa</span> +<span id="L19" class="LineNr">19 </span> x, y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L120'>draw-text-wrapping-right-then-down</a> <span class="Constant">0</span>, <span class="Constant">"baremetal "</span>, <span class="Constant">0x10</span>, <span class="Constant">0x20</span>, <span class="Constant">0x78</span>, <span class="Constant">0x50</span>, x, y, <span class="Constant">0xa</span> +<span id="L20" class="LineNr">20 </span> x, y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L120'>draw-text-wrapping-right-then-down</a> <span class="Constant">0</span>, <span class="Constant">"Mu!"</span>, <span class="Constant">0x10</span>, <span class="Constant">0x20</span>, <span class="Constant">0x78</span>, <span class="Constant">0x50</span>, x, y, <span class="Constant">0xa</span> <span id="L21" class="LineNr">21 </span> <span id="L22" class="LineNr">22 </span> <span class="muComment"># drawing at the cursor in multiple directions</span> -<span id="L23" class="LineNr">23 </span> <a href='501draw-text.mu.html#L309'>draw-text-wrapping-down-then-right-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"abc"</span>, <span class="Constant">0xa</span> -<span id="L24" class="LineNr">24 </span> <a href='501draw-text.mu.html#L183'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"def"</span>, <span class="Constant">0xa</span> +<span id="L23" class="LineNr">23 </span> <a href='501draw-text.mu.html#L494'>draw-text-wrapping-down-then-right-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"abc"</span>, <span class="Constant">0xa</span> +<span id="L24" class="LineNr">24 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"def"</span>, <span class="Constant">0xa</span> <span id="L25" class="LineNr">25 </span> <span id="L26" class="LineNr">26 </span> <span class="muComment"># test drawing near the edge</span> -<span id="L27" class="LineNr">27 </span> x <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L65'>draw-text-rightward</a> <span class="Constant">0</span>, <span class="Constant">"R"</span>, <span class="Constant">0x3f8</span>, <span class="Constant">0x400</span>, <span class="Constant">0x100</span>, <span class="Constant">0xa</span> -<span id="L28" class="LineNr">28 </span> <a href='501draw-text.mu.html#L183'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"wrapped from R"</span>, <span class="Constant">0xa</span> +<span id="L27" class="LineNr">27 </span> x <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L73'>draw-text-rightward</a> <span class="Constant">0</span>, <span class="Constant">"R"</span>, <span class="Constant">0x3f8</span>, <span class="Constant">0x400</span>, <span class="Constant">0x100</span>, <span class="Constant">0xa</span> <span class="muComment"># 0x400 = screen-width</span> +<span id="L28" class="LineNr">28 </span> <a href='501draw-text.mu.html#L206'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"wrapped from R"</span>, <span class="Constant">0xa</span> <span id="L29" class="LineNr">29 </span> -<span id="L30" class="LineNr">30 </span> x <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L192'>draw-text-downward</a> <span class="Constant">0</span>, <span class="Constant">"D"</span>, <span class="Constant">0x100</span>, <span class="Constant">0x2f0</span>, <span class="Constant">0x300</span>, <span class="Constant">0xa</span> -<span id="L31" class="LineNr">31 </span> <a href='501draw-text.mu.html#L309'>draw-text-wrapping-down-then-right-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"wrapped from D"</span>, <span class="Constant">0xa</span> +<span id="L30" class="LineNr">30 </span> x <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L376'>draw-text-downward</a> <span class="Constant">0</span>, <span class="Constant">"D"</span>, <span class="Constant">0x100</span>, <span class="Constant">0x2f0</span>, <span class="Constant">0x300</span>, <span class="Constant">0xa</span> <span class="muComment"># 0x300 = screen-height</span> +<span id="L31" class="LineNr">31 </span> <a href='501draw-text.mu.html#L494'>draw-text-wrapping-down-then-right-from-cursor-over-full-screen</a> <span class="Constant">0</span>, <span class="Constant">"wrapped from D"</span>, <span class="Constant">0xa</span> <span id="L32" class="LineNr">32 </span><span class="Delimiter">}</span> </pre> </body> diff --git a/html/baremetal/ex7.mu.html b/html/baremetal/ex7.mu.html index 843225d1..3df63b64 100644 --- a/html/baremetal/ex7.mu.html +++ b/html/baremetal/ex7.mu.html @@ -69,37 +69,42 @@ if ('onhashchange' in window) { <span id="L11" class="LineNr">11 </span><span class="muComment"># k, l.</span> <span id="L12" class="LineNr">12 </span> <span id="L13" class="LineNr">13 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex7.mu.html#L13'>main</a></span> <span class="Delimiter">{</span> -<span id="L14" class="LineNr">14 </span> <span class="PreProc">var</span> key/<span class="Constant">eax</span>: byte <span class="SpecialChar"><-</span> <a href='102keyboard.subx.html#L6'>read-key</a> <span class="Constant">0</span> -<span id="L15" class="LineNr">15 </span> <span class="Delimiter">{</span> -<span id="L16" class="LineNr">16 </span> compare key, <span class="Constant">0x68</span> <span class="muComment"># 'h'</span> -<span id="L17" class="LineNr">17 </span> <span class="PreProc">break-if-!=</span> -<span id="L18" class="LineNr">18 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> copy <span class="Constant">0x2d</span> <span class="muComment"># '-'</span> -<span id="L19" class="LineNr">19 </span> <a href='501draw-text.mu.html#L55'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, g, <span class="Constant">0x31</span> -<span id="L20" class="LineNr">20 </span> <a href='501draw-text.mu.html#L3'>cursor-left</a> <span class="Constant">0</span> -<span id="L21" class="LineNr">21 </span> <span class="Delimiter">}</span> -<span id="L22" class="LineNr">22 </span> <span class="Delimiter">{</span> -<span id="L23" class="LineNr">23 </span> compare key, <span class="Constant">0x6a</span> <span class="muComment"># 'j'</span> -<span id="L24" class="LineNr">24 </span> <span class="PreProc">break-if-!=</span> -<span id="L25" class="LineNr">25 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> copy <span class="Constant">0x7c</span> <span class="muComment"># '|'</span> -<span id="L26" class="LineNr">26 </span> <a href='501draw-text.mu.html#L55'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, g, <span class="Constant">0x31</span> -<span id="L27" class="LineNr">27 </span> <a href='501draw-text.mu.html#L42'>cursor-down</a> <span class="Constant">0</span> -<span id="L28" class="LineNr">28 </span> <span class="Delimiter">}</span> -<span id="L29" class="LineNr">29 </span> <span class="Delimiter">{</span> -<span id="L30" class="LineNr">30 </span> compare key, <span class="Constant">0x6b</span> <span class="muComment"># 'k'</span> -<span id="L31" class="LineNr">31 </span> <span class="PreProc">break-if-!=</span> -<span id="L32" class="LineNr">32 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> copy <span class="Constant">0x7c</span> <span class="muComment"># '|'</span> -<span id="L33" class="LineNr">33 </span> <a href='501draw-text.mu.html#L55'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, g, <span class="Constant">0x31</span> -<span id="L34" class="LineNr">34 </span> <a href='501draw-text.mu.html#L29'>cursor-up</a> <span class="Constant">0</span> -<span id="L35" class="LineNr">35 </span> <span class="Delimiter">}</span> -<span id="L36" class="LineNr">36 </span> <span class="Delimiter">{</span> -<span id="L37" class="LineNr">37 </span> compare key, <span class="Constant">0x6c</span> <span class="muComment"># 'l'</span> -<span id="L38" class="LineNr">38 </span> <span class="PreProc">break-if-!=</span> -<span id="L39" class="LineNr">39 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> copy <span class="Constant">0x2d</span> <span class="muComment"># '-'</span> -<span id="L40" class="LineNr">40 </span> <a href='501draw-text.mu.html#L55'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, g, <span class="Constant">0x31</span> -<span id="L41" class="LineNr">41 </span> <a href='501draw-text.mu.html#L16'>cursor-right</a> <span class="Constant">0</span> -<span id="L42" class="LineNr">42 </span> <span class="Delimiter">}</span> -<span id="L43" class="LineNr">43 </span> <span class="PreProc">loop</span> -<span id="L44" class="LineNr">44 </span><span class="Delimiter">}</span> +<span id="L14" class="LineNr">14 </span> <span class="PreProc">var</span> space/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> copy <span class="Constant">0x20</span> +<span id="L15" class="LineNr">15 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">0</span> +<span id="L16" class="LineNr">16 </span> <span class="Delimiter">{</span> +<span id="L17" class="LineNr">17 </span> <a href='500text-screen.mu.html#L162'>show-cursor</a> <span class="Constant">0</span>, space +<span id="L18" class="LineNr">18 </span> <span class="PreProc">var</span> key/<span class="Constant">eax</span>: byte <span class="SpecialChar"><-</span> <a href='102keyboard.subx.html#L9'>read-key</a> <span class="Constant">0</span> +<span id="L19" class="LineNr">19 </span> <span class="Delimiter">{</span> +<span id="L20" class="LineNr">20 </span> compare key, <span class="Constant">0x68</span> <span class="muComment"># 'h'</span> +<span id="L21" class="LineNr">21 </span> <span class="PreProc">break-if-!=</span> +<span id="L22" class="LineNr">22 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> copy <span class="Constant">0x2d</span> <span class="muComment"># '-'</span> +<span id="L23" class="LineNr">23 </span> <a href='501draw-text.mu.html#L63'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, g, <span class="Constant">0x31</span> +<span id="L24" class="LineNr">24 </span> <a href='501draw-text.mu.html#L3'>cursor-left</a> <span class="Constant">0</span> +<span id="L25" class="LineNr">25 </span> <span class="Delimiter">}</span> +<span id="L26" class="LineNr">26 </span> <span class="Delimiter">{</span> +<span id="L27" class="LineNr">27 </span> compare key, <span class="Constant">0x6a</span> <span class="muComment"># 'j'</span> +<span id="L28" class="LineNr">28 </span> <span class="PreProc">break-if-!=</span> +<span id="L29" class="LineNr">29 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> copy <span class="Constant">0x7c</span> <span class="muComment"># '|'</span> +<span id="L30" class="LineNr">30 </span> <a href='501draw-text.mu.html#L63'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, g, <span class="Constant">0x31</span> +<span id="L31" class="LineNr">31 </span> <a href='501draw-text.mu.html#L46'>cursor-down</a> <span class="Constant">0</span> +<span id="L32" class="LineNr">32 </span> <span class="Delimiter">}</span> +<span id="L33" class="LineNr">33 </span> <span class="Delimiter">{</span> +<span id="L34" class="LineNr">34 </span> compare key, <span class="Constant">0x6b</span> <span class="muComment"># 'k'</span> +<span id="L35" class="LineNr">35 </span> <span class="PreProc">break-if-!=</span> +<span id="L36" class="LineNr">36 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> copy <span class="Constant">0x7c</span> <span class="muComment"># '|'</span> +<span id="L37" class="LineNr">37 </span> <a href='501draw-text.mu.html#L63'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, g, <span class="Constant">0x31</span> +<span id="L38" class="LineNr">38 </span> <a href='501draw-text.mu.html#L33'>cursor-up</a> <span class="Constant">0</span> +<span id="L39" class="LineNr">39 </span> <span class="Delimiter">}</span> +<span id="L40" class="LineNr">40 </span> <span class="Delimiter">{</span> +<span id="L41" class="LineNr">41 </span> compare key, <span class="Constant">0x6c</span> <span class="muComment"># 'l'</span> +<span id="L42" class="LineNr">42 </span> <span class="PreProc">break-if-!=</span> +<span id="L43" class="LineNr">43 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> copy <span class="Constant">0x2d</span> <span class="muComment"># '-'</span> +<span id="L44" class="LineNr">44 </span> <a href='501draw-text.mu.html#L63'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, g, <span class="Constant">0x31</span> +<span id="L45" class="LineNr">45 </span> <a href='501draw-text.mu.html#L16'>cursor-right</a> <span class="Constant">0</span> +<span id="L46" class="LineNr">46 </span> <span class="Delimiter">}</span> +<span id="L47" class="LineNr">47 </span> <span class="PreProc">loop</span> +<span id="L48" class="LineNr">48 </span> <span class="Delimiter">}</span> +<span id="L49" class="LineNr">49 </span><span class="Delimiter">}</span> </pre> </body> </html> diff --git a/html/baremetal/mu-init.subx.html b/html/baremetal/mu-init.subx.html index b765f7e0..9886ded4 100644 --- a/html/baremetal/mu-init.subx.html +++ b/html/baremetal/mu-init.subx.html @@ -16,6 +16,7 @@ a { color:inherit; } * { font-size:12pt; font-size: 1em; } .subxComment { color: #005faf; } .LineNr { } +.SpecialChar { color: #d70000; } .Constant { color: #008787; } --> </style> @@ -62,16 +63,16 @@ if ('onhashchange' in window) { <span id="L8" class="LineNr"> 8 </span> <span id="L9" class="LineNr"> 9 </span><span class="subxComment"># initialize stack</span> <span id="L10" class="LineNr">10 </span>bd/copy-to-ebp 0/imm32 -<span id="L11" class="LineNr">11 </span><span class="subxComment"># no heap yet</span> -<span id="L12" class="LineNr">12 </span><span class="subxComment">#</span> -<span id="L13" class="LineNr">13 </span><span class="subxComment"># always first run tests</span> -<span id="L14" class="LineNr">14 </span>(run-tests) -<span id="L15" class="LineNr">15 </span>(<a href='104test.subx.html#L17'>num-test-failures</a>) <span class="subxComment"># => eax</span> -<span id="L16" class="LineNr">16 </span><span class="subxComment"># call main if tests all passed</span> -<span id="L17" class="LineNr">17 </span>{ -<span id="L18" class="LineNr">18 </span> 3d/compare-eax-and 0/imm32 -<span id="L19" class="LineNr">19 </span> 75/jump-if-!= <span class="Constant">break</span>/disp8 -<span id="L20" class="LineNr">20 </span> (<a href='500clear-screen.mu.html#L1'>clear-screen</a>) +<span id="L11" class="LineNr">11 </span><span class="subxComment"># always first run tests</span> +<span id="L12" class="LineNr">12 </span>(run-tests) +<span id="L13" class="LineNr">13 </span>(<a href='104test.subx.html#L17'>num-test-failures</a>) <span class="subxComment"># => eax</span> +<span id="L14" class="LineNr">14 </span><span class="subxComment"># call main if tests all passed</span> +<span id="L15" class="LineNr">15 </span>{ +<span id="L16" class="LineNr">16 </span> 3d/compare-eax-and 0/imm32 +<span id="L17" class="LineNr">17 </span> 75/jump-if-!= <span class="Constant">break</span>/disp8 +<span id="L18" class="LineNr">18 </span> (<a href='500text-screen.mu.html#L209'>clear-real-screen</a>) +<span id="L19" class="LineNr">19 </span> c7 0/subop/copy *<span class="SpecialChar"><a href='103grapheme.subx.html#L167'>Real-screen-cursor-x</a></span> 0/imm32 +<span id="L20" class="LineNr">20 </span> c7 0/subop/copy *<span class="SpecialChar"><a href='103grapheme.subx.html#L169'>Real-screen-cursor-y</a></span> 0/imm32 <span id="L21" class="LineNr">21 </span> (main) <span id="L22" class="LineNr">22 </span>} <span id="L23" class="LineNr">23 </span> diff --git a/html/baremetal/rpn.mu.html b/html/baremetal/rpn.mu.html new file mode 100644 index 00000000..eb25a5ae --- /dev/null +++ b/html/baremetal/rpn.mu.html @@ -0,0 +1,217 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - baremetal/rpn.mu</title> +<meta name="Generator" content="Vim/8.1"> +<meta name="plugin-version" content="vim8.1_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.PreProc { color: #c000c0; } +.LineNr { } +.Delimiter { color: #c000c0; } +.SpecialChar { color: #d70000; } +.Constant { color: #008787; } +.muFunction { color: #af5f00; text-decoration: underline; } +.muComment { color: #005faf; } +--> +</style> + +<script type='text/javascript'> +<!-- + +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + var lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + +--> +</script> +</head> +<body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/main/baremetal/rpn.mu'>https://github.com/akkartik/mu/blob/main/baremetal/rpn.mu</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Integer arithmetic using postfix notation</span> +<span id="L2" class="LineNr"> 2 </span><span class="muComment">#</span> +<span id="L3" class="LineNr"> 3 </span><span class="muComment"># Limitations:</span> +<span id="L4" class="LineNr"> 4 </span><span class="muComment"># No division yet.</span> +<span id="L5" class="LineNr"> 5 </span><span class="muComment">#</span> +<span id="L6" class="LineNr"> 6 </span><span class="muComment"># To build:</span> +<span id="L7" class="LineNr"> 7 </span><span class="muComment"># $ ./translate_mu_baremetal baremetal/rpn.mu</span> +<span id="L8" class="LineNr"> 8 </span><span class="muComment">#</span> +<span id="L9" class="LineNr"> 9 </span><span class="muComment"># Example session:</span> +<span id="L10" class="LineNr"> 10 </span><span class="muComment"># $ qemu-system-i386 disk.img</span> +<span id="L11" class="LineNr"> 11 </span><span class="muComment"># > 4</span> +<span id="L12" class="LineNr"> 12 </span><span class="muComment"># 4</span> +<span id="L13" class="LineNr"> 13 </span><span class="muComment"># > 5 3 -</span> +<span id="L14" class="LineNr"> 14 </span><span class="muComment"># 2</span> +<span id="L15" class="LineNr"> 15 </span><span class="muComment">#</span> +<span id="L16" class="LineNr"> 16 </span><span class="muComment"># '+' and '*' not supported yet because they require the shift key.</span> +<span id="L17" class="LineNr"> 17 </span><span class="muComment">#</span> +<span id="L18" class="LineNr"> 18 </span><span class="muComment"># Error handling is non-existent. This is just a prototype.</span> +<span id="L19" class="LineNr"> 19 </span> +<span id="L20" class="LineNr"> 20 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L20'>main</a></span><span class="PreProc"> -> </span>_/<span class="Constant">ebx</span>: int <span class="Delimiter">{</span> +<span id="L21" class="LineNr"> 21 </span> <span class="PreProc">var</span> in-storage: (stream byte <span class="Constant">0x80</span>) +<span id="L22" class="LineNr"> 22 </span> <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar"><-</span> address in-storage +<span id="L23" class="LineNr"> 23 </span> <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L24" class="LineNr"> 24 </span> <span class="PreProc">var</span> space/<span class="Constant">edx</span>: grapheme <span class="SpecialChar"><-</span> copy <span class="Constant">0x20</span> +<span id="L25" class="LineNr"> 25 </span> <span class="muComment"># read-eval-print loop</span> +<span id="L26" class="LineNr"> 26 </span> <span class="Delimiter">{</span> +<span id="L27" class="LineNr"> 27 </span> <span class="muComment"># print prompt</span> +<span id="L28" class="LineNr"> 28 </span> <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L73'>draw-text-rightward</a> <span class="Constant">0</span>, <span class="Constant">"> "</span>, <span class="Constant">0</span>, <span class="Constant">0x80</span>, y, <span class="Constant">3</span> +<span id="L29" class="LineNr"> 29 </span> <a href='500text-screen.mu.html#L115'>set-cursor-position</a> <span class="Constant">0</span>, x, y +<span id="L30" class="LineNr"> 30 </span> <span class="muComment"># read line from keyboard</span> +<span id="L31" class="LineNr"> 31 </span> <a href='106stream.subx.html#L20'>clear-stream</a> in +<span id="L32" class="LineNr"> 32 </span> <span class="Delimiter">{</span> +<span id="L33" class="LineNr"> 33 </span> <a href='500text-screen.mu.html#L162'>show-cursor</a> <span class="Constant">0</span>, space +<span id="L34" class="LineNr"> 34 </span> <span class="PreProc">var</span> key/<span class="Constant">eax</span>: byte <span class="SpecialChar"><-</span> <a href='102keyboard.subx.html#L9'>read-key</a> <span class="Constant">0</span> +<span id="L35" class="LineNr"> 35 </span> compare key, <span class="Constant">0xa</span> <span class="muComment"># newline</span> +<span id="L36" class="LineNr"> 36 </span> <span class="PreProc">break-if-=</span> +<span id="L37" class="LineNr"> 37 </span> compare key, <span class="Constant">0</span> +<span id="L38" class="LineNr"> 38 </span> <span class="PreProc">loop-if-=</span> +<span id="L39" class="LineNr"> 39 </span> <span class="PreProc">var</span> key2/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy key +<span id="L40" class="LineNr"> 40 </span> <a href='115write-byte.subx.html#L12'>append-byte</a> in, key2 +<span id="L41" class="LineNr"> 41 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar"><-</span> copy key2 +<span id="L42" class="LineNr"> 42 </span> <a href='501draw-text.mu.html#L63'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, g, <span class="Constant">0xf</span> +<span id="L43" class="LineNr"> 43 </span> <a href='501draw-text.mu.html#L16'>cursor-right</a> <span class="Constant">0</span> +<span id="L44" class="LineNr"> 44 </span> <span class="PreProc">loop</span> +<span id="L45" class="LineNr"> 45 </span> <span class="Delimiter">}</span> +<span id="L46" class="LineNr"> 46 </span> <span class="muComment"># clear cursor</span> +<span id="L47" class="LineNr"> 47 </span> <a href='501draw-text.mu.html#L63'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>, space, <span class="Constant">3</span> <span class="muComment"># 3=foreground color, which is never used</span> +<span id="L48" class="LineNr"> 48 </span> <span class="muComment"># parse and eval</span> +<span id="L49" class="LineNr"> 49 </span> <span class="PreProc">var</span> out/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='rpn.mu.html#L66'>simplify</a> in +<span id="L50" class="LineNr"> 50 </span> <span class="muComment"># print</span> +<span id="L51" class="LineNr"> 51 </span> y <span class="SpecialChar"><-</span> increment +<span id="L52" class="LineNr"> 52 </span> out, y <span class="SpecialChar"><-</span> <a href='501draw-text.mu.html#L292'>draw-int32-decimal-wrapping-right-then-down</a> <span class="Constant">0</span>, out, <span class="Constant">0</span>, y, <span class="Constant">0x80</span>, <span class="Constant">0x30</span>, <span class="Constant">0</span>, y, <span class="Constant">7</span> +<span id="L53" class="LineNr"> 53 </span> <span class="muComment"># newline</span> +<span id="L54" class="LineNr"> 54 </span> y <span class="SpecialChar"><-</span> increment +<span id="L55" class="LineNr"> 55 </span> <span class="muComment">#</span> +<span id="L56" class="LineNr"> 56 </span> <span class="PreProc">loop</span> +<span id="L57" class="LineNr"> 57 </span> <span class="Delimiter">}</span> +<span id="L58" class="LineNr"> 58 </span> <span class="PreProc">return</span> <span class="Constant">0</span> +<span id="L59" class="LineNr"> 59 </span><span class="Delimiter">}</span> +<span id="L60" class="LineNr"> 60 </span> +<span id="L61" class="LineNr"> 61 </span><span class="PreProc">type</span> <a href='rpn.mu.html#L61'>int-stack</a> <span class="Delimiter">{</span> +<span id="L62" class="LineNr"> 62 </span> data: (handle array int) +<span id="L63" class="LineNr"> 63 </span> top: int +<span id="L64" class="LineNr"> 64 </span><span class="Delimiter">}</span> +<span id="L65" class="LineNr"> 65 </span> +<span id="L66" class="LineNr"> 66 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L66'>simplify</a></span> in: (addr stream byte)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L67" class="LineNr"> 67 </span> <span class="PreProc">var</span> word-storage: slice +<span id="L68" class="LineNr"> 68 </span> <span class="PreProc">var</span> word/<span class="Constant">ecx</span>: (addr slice) <span class="SpecialChar"><-</span> address word-storage +<span id="L69" class="LineNr"> 69 </span> <span class="PreProc">var</span> stack-storage: <a href='rpn.mu.html#L61'>int-stack</a> +<span id="L70" class="LineNr"> 70 </span> <span class="PreProc">var</span> stack/<span class="Constant">esi</span>: (addr <a href='rpn.mu.html#L61'>int-stack</a>) <span class="SpecialChar"><-</span> address stack-storage +<span id="L71" class="LineNr"> 71 </span> <a href='rpn.mu.html#L120'>initialize-int-stack</a> stack, <span class="Constant">0x10</span> +<span id="L72" class="LineNr"> 72 </span> $simplify:word-loop: <span class="Delimiter">{</span> +<span id="L73" class="LineNr"> 73 </span> <a href='127next-word.subx.html#L11'>next-word</a> in, word +<span id="L74" class="LineNr"> 74 </span> <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> <a href='123slice.subx.html#L9'>slice-empty?</a> word +<span id="L75" class="LineNr"> 75 </span> compare done?, <span class="Constant">0</span> +<span id="L76" class="LineNr"> 76 </span> <span class="PreProc">break-if-!=</span> +<span id="L77" class="LineNr"> 77 </span> <span class="muComment"># if word is an operator, perform it</span> +<span id="L78" class="LineNr"> 78 </span> <span class="Delimiter">{</span> +<span id="L79" class="LineNr"> 79 </span> <span class="PreProc">var</span> is-add?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> <a href='123slice.subx.html#L120'>slice-equal?</a> word, <span class="Constant">"+"</span> +<span id="L80" class="LineNr"> 80 </span> compare is-add?, <span class="Constant">0</span> +<span id="L81" class="LineNr"> 81 </span> <span class="PreProc">break-if-=</span> +<span id="L82" class="LineNr"> 82 </span> <span class="PreProc">var</span> _b/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='rpn.mu.html#L140'>pop-int-stack</a> stack +<span id="L83" class="LineNr"> 83 </span> <span class="PreProc">var</span> b/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy _b +<span id="L84" class="LineNr"> 84 </span> <span class="PreProc">var</span> a/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='rpn.mu.html#L140'>pop-int-stack</a> stack +<span id="L85" class="LineNr"> 85 </span> a <span class="SpecialChar"><-</span> add b +<span id="L86" class="LineNr"> 86 </span> <a href='rpn.mu.html#L128'>push-int-stack</a> stack, a +<span id="L87" class="LineNr"> 87 </span> <span class="PreProc">loop</span> $simplify:word-loop +<span id="L88" class="LineNr"> 88 </span> <span class="Delimiter">}</span> +<span id="L89" class="LineNr"> 89 </span> <span class="Delimiter">{</span> +<span id="L90" class="LineNr"> 90 </span> <span class="PreProc">var</span> is-sub?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> <a href='123slice.subx.html#L120'>slice-equal?</a> word, <span class="Constant">"-"</span> +<span id="L91" class="LineNr"> 91 </span> compare is-sub?, <span class="Constant">0</span> +<span id="L92" class="LineNr"> 92 </span> <span class="PreProc">break-if-=</span> +<span id="L93" class="LineNr"> 93 </span> <span class="PreProc">var</span> _b/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='rpn.mu.html#L140'>pop-int-stack</a> stack +<span id="L94" class="LineNr"> 94 </span> <span class="PreProc">var</span> b/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy _b +<span id="L95" class="LineNr"> 95 </span> <span class="PreProc">var</span> a/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='rpn.mu.html#L140'>pop-int-stack</a> stack +<span id="L96" class="LineNr"> 96 </span> a <span class="SpecialChar"><-</span> subtract b +<span id="L97" class="LineNr"> 97 </span> <a href='rpn.mu.html#L128'>push-int-stack</a> stack, a +<span id="L98" class="LineNr"> 98 </span> <span class="PreProc">loop</span> $simplify:word-loop +<span id="L99" class="LineNr"> 99 </span> <span class="Delimiter">}</span> +<span id="L100" class="LineNr">100 </span> <span class="Delimiter">{</span> +<span id="L101" class="LineNr">101 </span> <span class="PreProc">var</span> is-mul?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> <a href='123slice.subx.html#L120'>slice-equal?</a> word, <span class="Constant">"*"</span> +<span id="L102" class="LineNr">102 </span> compare is-mul?, <span class="Constant">0</span> +<span id="L103" class="LineNr">103 </span> <span class="PreProc">break-if-=</span> +<span id="L104" class="LineNr">104 </span> <span class="PreProc">var</span> _b/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='rpn.mu.html#L140'>pop-int-stack</a> stack +<span id="L105" class="LineNr">105 </span> <span class="PreProc">var</span> b/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy _b +<span id="L106" class="LineNr">106 </span> <span class="PreProc">var</span> a/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='rpn.mu.html#L140'>pop-int-stack</a> stack +<span id="L107" class="LineNr">107 </span> a <span class="SpecialChar"><-</span> multiply b +<span id="L108" class="LineNr">108 </span> <a href='rpn.mu.html#L128'>push-int-stack</a> stack, a +<span id="L109" class="LineNr">109 </span> <span class="PreProc">loop</span> $simplify:word-loop +<span id="L110" class="LineNr">110 </span> <span class="Delimiter">}</span> +<span id="L111" class="LineNr">111 </span> <span class="muComment"># otherwise it's an int</span> +<span id="L112" class="LineNr">112 </span> <span class="PreProc">var</span> n/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='311decimal-int.subx.html#L4'>parse-decimal-int-from-slice</a> word +<span id="L113" class="LineNr">113 </span> <a href='rpn.mu.html#L128'>push-int-stack</a> stack, n +<span id="L114" class="LineNr">114 </span> <span class="PreProc">loop</span> +<span id="L115" class="LineNr">115 </span> <span class="Delimiter">}</span> +<span id="L116" class="LineNr">116 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='rpn.mu.html#L140'>pop-int-stack</a> stack +<span id="L117" class="LineNr">117 </span> <span class="PreProc">return</span> result +<span id="L118" class="LineNr">118 </span><span class="Delimiter">}</span> +<span id="L119" class="LineNr">119 </span> +<span id="L120" class="LineNr">120 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L120'>initialize-int-stack</a></span> _self: (addr <a href='rpn.mu.html#L61'>int-stack</a>), n: int <span class="Delimiter">{</span> +<span id="L121" class="LineNr">121 </span> <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='rpn.mu.html#L61'>int-stack</a>) <span class="SpecialChar"><-</span> copy _self +<span id="L122" class="LineNr">122 </span> <span class="PreProc">var</span> d/<span class="Constant">edi</span>: (addr handle array int) <span class="SpecialChar"><-</span> get self, data +<span id="L123" class="LineNr">123 </span> populate d, n +<span id="L124" class="LineNr">124 </span> <span class="PreProc">var</span> top/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar"><-</span> get self, top +<span id="L125" class="LineNr">125 </span> copy-to *top, <span class="Constant">0</span> +<span id="L126" class="LineNr">126 </span><span class="Delimiter">}</span> +<span id="L127" class="LineNr">127 </span> +<span id="L128" class="LineNr">128 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L128'>push-int-stack</a></span> _self: (addr <a href='rpn.mu.html#L61'>int-stack</a>), _val: int <span class="Delimiter">{</span> +<span id="L129" class="LineNr">129 </span> <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='rpn.mu.html#L61'>int-stack</a>) <span class="SpecialChar"><-</span> copy _self +<span id="L130" class="LineNr">130 </span> <span class="PreProc">var</span> top-addr/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar"><-</span> get self, top +<span id="L131" class="LineNr">131 </span> <span class="PreProc">var</span> data-ah/<span class="Constant">edx</span>: (addr handle array int) <span class="SpecialChar"><-</span> get self, data +<span id="L132" class="LineNr">132 </span> <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array int) <span class="SpecialChar"><-</span> <a href='120allocate.subx.html#L226'>lookup</a> *data-ah +<span id="L133" class="LineNr">133 </span> <span class="PreProc">var</span> top/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy *top-addr +<span id="L134" class="LineNr">134 </span> <span class="PreProc">var</span> dest-addr/<span class="Constant">edx</span>: (addr int) <span class="SpecialChar"><-</span> index data, top +<span id="L135" class="LineNr">135 </span> <span class="PreProc">var</span> val/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy _val +<span id="L136" class="LineNr">136 </span> copy-to *dest-addr, val +<span id="L137" class="LineNr">137 </span> add-to *top-addr, <span class="Constant">1</span> +<span id="L138" class="LineNr">138 </span><span class="Delimiter">}</span> +<span id="L139" class="LineNr">139 </span> +<span id="L140" class="LineNr">140 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L140'>pop-int-stack</a></span> _self: (addr <a href='rpn.mu.html#L61'>int-stack</a>)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L141" class="LineNr">141 </span> <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='rpn.mu.html#L61'>int-stack</a>) <span class="SpecialChar"><-</span> copy _self +<span id="L142" class="LineNr">142 </span> <span class="PreProc">var</span> top-addr/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar"><-</span> get self, top +<span id="L143" class="LineNr">143 </span> <span class="Delimiter">{</span> +<span id="L144" class="LineNr">144 </span> compare *top-addr, <span class="Constant">0</span> +<span id="L145" class="LineNr">145 </span> <span class="PreProc">break-if-></span> +<span id="L146" class="LineNr">146 </span> <span class="PreProc">return</span> <span class="Constant">0</span> +<span id="L147" class="LineNr">147 </span> <span class="Delimiter">}</span> +<span id="L148" class="LineNr">148 </span> subtract-from *top-addr, <span class="Constant">1</span> +<span id="L149" class="LineNr">149 </span> <span class="PreProc">var</span> data-ah/<span class="Constant">edx</span>: (addr handle array int) <span class="SpecialChar"><-</span> get self, data +<span id="L150" class="LineNr">150 </span> <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array int) <span class="SpecialChar"><-</span> <a href='120allocate.subx.html#L226'>lookup</a> *data-ah +<span id="L151" class="LineNr">151 </span> <span class="PreProc">var</span> top/<span class="Constant">edx</span>: int <span class="SpecialChar"><-</span> copy *top-addr +<span id="L152" class="LineNr">152 </span> <span class="PreProc">var</span> result-addr/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar"><-</span> index data, top +<span id="L153" class="LineNr">153 </span> <span class="PreProc">var</span> val/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> copy *result-addr +<span id="L154" class="LineNr">154 </span> <span class="PreProc">return</span> val +<span id="L155" class="LineNr">155 </span><span class="Delimiter">}</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> |