diff options
| author | Kartik Agaram <vc@akkartik.com> | 2018-11-30 11:10:44 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2018-11-30 11:13:36 -0800 |
| commit | ee9a9237d6324f1de1bb7150083eacf7b9af5f70 (patch) | |
| tree | 86180456f2a3cf5503783afc78856280f088a863 /subx/examples/ex10.subx | |
| parent | 6030d7e2e56d445ca67c6a0e8c9cf33e46bc673c (diff) | |
| download | mu-ee9a9237d6324f1de1bb7150083eacf7b9af5f70.tar.gz | |
4802
Some automated commenting cleanup. Still needs more careful manual scanning. sed -i 's/^# 1-3/# . 1-3/' *.subx */*.subx sed -i 's/^# op/# . op/' *.subx */*.subx sed -i 's/# vim/# . . vim/' *.subx */*.subx sed -i 's/^ # push args/ # . . push args/' *.subx */*.subx sed -i 's/^ # discard args/ # . . discard args/' *.subx */*.subx sed -i 's/^ # call/ # . . call/' *.subx */*.subx sed -i 's/^ # prolog/ # . prolog/' *.subx */*.subx sed -i 's/^ # epilog/ # . epilog/' *.subx */*.subx sed -i 's/^ # save registers/ # . save registers/' *.subx */*.subx sed -i 's/^ # restore registers/ # . restore registers/' *.subx */*.subx sed -i 's/ operand / register /' *.subx */*.subx
Diffstat (limited to 'subx/examples/ex10.subx')
| -rw-r--r-- | subx/examples/ex10.subx | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/subx/examples/ex10.subx b/subx/examples/ex10.subx index 4da713ae..936edb08 100644 --- a/subx/examples/ex10.subx +++ b/subx/examples/ex10.subx @@ -8,9 +8,9 @@ # 0 # false == code -# instruction effective address operand displacement immediate -# op subop mod rm32 base index scale r32 -# 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 +# instruction effective address register displacement immediate +# . op subop mod rm32 base index scale r32 +# . 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 # main: return argv-equal(argv[1], argv[2]) # At the start of a SubX program: @@ -18,14 +18,14 @@ # argv[0]: *(ESP+4) # argv[1]: *(ESP+8) # ... - # prolog + # . prolog 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP - # call argv-equal(argv[1], argv[2]) + # . . call argv-equal(argv[1], argv[2]) # push argv[2] ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) # push argv[1] ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x8/disp8 . # push *(EBP+8) - # call + # . . call e8/call argv-equal/disp32 # exit(EAX) $exit: @@ -69,4 +69,4 @@ $argv-equal:false: b8/copy-to-EAX 0/imm32 c3/return -# vim:nowrap:textwidth=0 +# . . vim:nowrap:textwidth=0 |