mu - Soul of a tiny new machine. More thorough tests → More comprehensible and rewrite-friendly software → More resilient society.

	Commit message (Expand)	Author	Age	Files	Lines
*	2746	Kartik K. Agaram	2016-03-09	1	-1/+1
*	2735 - define recipes using 'def'	Kartik K. Agaram	2016-03-08	1	-3/+3
*	2426	Kartik K. Agaram	2015-11-11	1	-4/+3
*	2235	Kartik K. Agaram	2015-10-02	1	-4/+4
*	1880 - switch .mu files to new type-deducing idiom	Kartik K. Agaram	2015-07-29	1	-6/+6
*	1868 - start using naked literals everywhere	Kartik K. Agaram	2015-07-28	1	-4/+4
*	1780 - now we always reclaim local scopes	Kartik K. Agaram	2015-07-13	1	-1/+1
*	1773 - update all mu recipes to new-default-space	Kartik K. Agaram	2015-07-13	1	-1/+1
*	1363 - rename 'integer' to 'number'	Kartik K. Agaram	2015-05-13	1	-8/+8
*	1345	Kartik K. Agaram	2015-05-11	1	-3/+6
*	1298 - better ingredient/product handling	Kartik K. Agaram	2015-05-07	1	-3/+1
*	1278 - support before/after tangle directives	Kartik K. Agaram	2015-05-05	1	-0/+36
*	1276 - make C++ version the default	Kartik K. Agaram	2015-05-05	1	-35/+0
*	690 - convention: '$' commands for debugging only	Kartik K. Agaram	2015-02-01	1	-2/+2
*	578 - switch to non-polymorphic 'print' functions	Kartik K. Agaram	2015-01-17	1	-1/+1
*	574 - printing string literals is a hack; hard-code it in for now	Kartik K. Agaram	2015-01-16	1	-2/+2
*	571 - screen primitives take an explicit terminal	Kartik K. Agaram	2015-01-15	1	-3/+3
*	497 - strengthen the concept of 'space'	Kartik K. Agaram	2015-01-02	1	-1/+1
*	428 - cleanup odds and ends	Kartik K. Agaram	2014-12-14	1	-13/+13
*	403 - 'function' is more clear than 'def'	Kartik K. Agaram	2014-12-12	1	-2/+2
*	401 - stop abbreviating ops	Kartik K. Agaram	2014-12-12	1	-4/+4
*	321 - before/after can now come anywhere	Kartik K. Agaram	2014-11-24	1	-24/+9
*	319 - ack, forgot to handle blocks when tangling	Kartik K. Agaram	2014-11-24	1	-0/+50

<!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 - 134emit-hex-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,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> <meta name="colorscheme" content="minimal-light"> <style type="text/css">  </style> <script type='text/javascript'>  </script> </head> <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/master/134emit-hex-array.subx'>https://github.com/akkartik/mu/blob/master/134emit-hex-array.subx</a> <pre id='vimCodeElement'> 1 == code 2 # instruction effective address register displacement immediate 3 # . op subop mod rm32 base index scale r32 4 # . 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 5 6 # print 'arr' in hex with a space after every byte 7 emit-hex-array: # out: (addr buffered-file), arr: (addr array byte) 8 # . prologue 9 55/push-ebp 10 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp 11 # . save registers 12 50/push-eax 13 51/push-ecx 14 52/push-edx 15 57/push-edi 16 # edi = out 17 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 7/r32/edi 8/disp8 . # copy *(ebp+8) to edi 18 # edx = arr 19 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 2/r32/edx 0xc/disp8 . # copy *(ebp+12) to edx 20 # var curr/ecx: (addr byte) = arr->data 21 8d/copy-address 1/mod/*+disp8 2/rm32/edx . . . 1/r32/ecx 4/disp8 . # copy edx+4 to ecx 22 # var max/edx: (addr byte) = &arr->data[arr->size] 23 8b/copy 0/mod/indirect 2/rm32/edx . . . 2/r32/edx . . # copy *edx to edx 24 01/add 3/mod/direct 2/rm32/edx . . . 1/r32/ecx . . # add ecx to edx 25 # var c/eax: byte = 0 26 31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax 27 $emit-hex-array:loop: 28 # if (curr >= width) break 29 39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx 30 73/jump-if-addr>= $emit-hex-array:end/disp8 31 # emit-hex(out, c = *curr, width=1) 32 # . . push args 33 68/push 1/imm32/width 34 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL 35 50/push-eax 36 57/push-edi 37 # . . call 38 e8/call <a href='129emit-hex.subx.html#L7'>emit-hex</a>/disp32 39 # . . discard args 40 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp 41 # ++curr 42 41/increment-ecx 43 eb/jump $emit-hex-array:loop/disp8 44 $emit-hex-array:end: 45 # . restore registers 46 5f/pop-to-edi 47 5a/pop-to-edx 48 59/pop-to-ecx 49 58/pop-to-eax 50 # . epilogue 51 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 52 5d/pop-to-ebp 53 c3/return 54 55 test-emit-hex-array: 56 # . prologue 57 55/push-ebp 58 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp 59 # setup 60 # . clear-stream(_test-output-stream) 61 # . . push args 62 68/push <a href='115write-byte.subx.html#L285'>_test-output-stream</a>/imm32 63 # . . call 64 e8/call <a href='106stream.subx.html#L17'>clear-stream</a>/disp32 65 # . . discard args 66 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp 67 # . clear-stream($_test-output-buffered-file->buffer) 68 # . . push args 69 68/push $_test-output-buffered-file->buffer/imm32 70 # . . call 71 e8/call <a href='106stream.subx.html#L17'>clear-stream</a>/disp32 72 # . . discard args 73 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp 74 # var arr/ecx (array byte) = [01, 02, 03] 75 68/push 0x00030201/imm32 # bytes 01 02 03 76 68/push 3/imm32/size 77 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx 78 # emit-hex-array(_test-output-buffered-file, arr) 79 # . . push args 80 51/push-ecx 81 68/push <a href='115write-byte.subx.html#L423'>_test-output-buffered-file</a>/imm32 82 # . . call 83 e8/call <a href='134emit-hex-array.subx.html#L7'>emit-hex-array</a>/disp32 84 # . . discard args 85 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp 86 # . flush(_test-output-buffered-file) 87 # . . push args 88 68/push <a href='115write-byte.subx.html#L423'>_test-output-buffered-file</a>/imm32 89 # . . call 90 e8/call <a href='115write-byte.subx.html#L81'>flush</a>/disp32 91 # . . discard args 92 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp 93 +-- 33 lines: #? # dump output ------------------------------------------------------------------------------------------------------------------------------------------------------ 126 # check-next-stream-line-equal(_test-output-stream, "01 02 03 ", msg) 127 # . . push args 128 68/push "F - test-emit-hex-array"/imm32 129 68/push "01 02 03 "/imm32 130 68/push <a href='115write-byte.subx.html#L285'>_test-output-stream</a>/imm32 131 # . . call 132 e8/call <a href='109stream-equal.subx.html#L565'>check-next-stream-line-equal</a>/disp32 133 # . . discard args 134 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp 135 # . epilogue 136 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 137 5d/pop-to-ebp 138 c3/return 139 140 # . . vim:nowrap:textwidth=0 </pre> </body> </html>