diff options
Diffstat (limited to 'html/baremetal/ex2.subx.html')
| -rw-r--r-- | html/baremetal/ex2.subx.html | 42 |
1 files changed, 20 insertions, 22 deletions
diff --git a/html/baremetal/ex2.subx.html b/html/baremetal/ex2.subx.html index e150cc4a..3d27392c 100644 --- a/html/baremetal/ex2.subx.html +++ b/html/baremetal/ex2.subx.html @@ -16,6 +16,7 @@ a { color:inherit; } * { font-size:12pt; font-size: 1em; } .subxComment { color: #005faf; } .LineNr { } +.subxFunction { color: #af5f00; text-decoration: underline; } .Constant { color: #008787; } --> </style> @@ -64,30 +65,27 @@ if ('onhashchange' in window) { <span id="L10" class="LineNr">10 </span><span class="subxComment"># Expected output:</span> <span id="L11" class="LineNr">11 </span><span class="subxComment"># html/baremetal.png</span> <span id="L12" class="LineNr">12 </span> -<span id="L13" class="LineNr">13 </span><span class="subxComment"># main: (address 0x8800)</span> -<span id="L14" class="LineNr">14 </span> -<span id="L15" class="LineNr">15 </span>== code +<span id="L13" class="LineNr">13 </span><span class="subxFunction">main</span>: +<span id="L14" class="LineNr">14 </span> <span class="subxComment"># ecx <- start of video memory</span> +<span id="L15" class="LineNr">15 </span> 8b/-> *0x7f28 1/r32/ecx <span id="L16" class="LineNr">16 </span> -<span id="L17" class="LineNr">17 </span><span class="subxComment"># ecx <- start of video memory</span> -<span id="L18" class="LineNr">18 </span>8b/-> *0x7f28 1/r32/ecx +<span id="L17" class="LineNr">17 </span> <span class="subxComment"># eax <- final pixel of video memory</span> +<span id="L18" class="LineNr">18 </span> 8d/copy-address *(ecx + 0x0bffff) 0/r32/eax <span class="subxComment"># 0xbffff = 1024*768 - 1</span> <span id="L19" class="LineNr">19 </span> -<span id="L20" class="LineNr">20 </span><span class="subxComment"># eax <- final pixel of video memory</span> -<span id="L21" class="LineNr">21 </span>8d/copy-address *(ecx + 0x0bffff) 0/r32/eax <span class="subxComment"># 0xbffff = 1024*768 - 1</span> -<span id="L22" class="LineNr">22 </span> -<span id="L23" class="LineNr">23 </span><span class="subxComment"># for each pixel in video memory</span> -<span id="L24" class="LineNr">24 </span>{ -<span id="L25" class="LineNr">25 </span> 39/compare %eax 1/r32/ecx -<span id="L26" class="LineNr">26 </span> 7c/jump-if-< <span class="Constant">break</span>/disp8 -<span id="L27" class="LineNr">27 </span> <span class="subxComment"># write its column number to it</span> -<span id="L28" class="LineNr">28 </span> 88/byte<- *eax 0/r32/AL -<span id="L29" class="LineNr">29 </span> 48/decrement-eax -<span id="L30" class="LineNr">30 </span> eb/jump <span class="Constant">loop</span>/disp8 -<span id="L31" class="LineNr">31 </span>} -<span id="L32" class="LineNr">32 </span> -<span id="L33" class="LineNr">33 </span><span class="subxComment"># hang indefinitely</span> -<span id="L34" class="LineNr">34 </span>{ -<span id="L35" class="LineNr">35 </span> eb/jump <span class="Constant">loop</span>/disp8 -<span id="L36" class="LineNr">36 </span>} +<span id="L20" class="LineNr">20 </span> <span class="subxComment"># for each pixel in video memory</span> +<span id="L21" class="LineNr">21 </span> { +<span id="L22" class="LineNr">22 </span> 39/compare %eax 1/r32/ecx +<span id="L23" class="LineNr">23 </span> 7c/jump-if-< <span class="Constant">break</span>/disp8 +<span id="L24" class="LineNr">24 </span> <span class="subxComment"># write its column number to it</span> +<span id="L25" class="LineNr">25 </span> 88/byte<- *eax 0/r32/AL +<span id="L26" class="LineNr">26 </span> 48/decrement-eax +<span id="L27" class="LineNr">27 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L28" class="LineNr">28 </span> } +<span id="L29" class="LineNr">29 </span> +<span id="L30" class="LineNr">30 </span> <span class="subxComment"># hang indefinitely</span> +<span id="L31" class="LineNr">31 </span> { +<span id="L32" class="LineNr">32 </span> eb/jump <span class="Constant">loop</span>/disp8 +<span id="L33" class="LineNr">33 </span> } </pre> </body> </html> |