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| author | Kartik Agaram <vc@akkartik.com> | 2020-02-29 05:53:13 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2020-02-29 05:53:13 -0800 |
| commit | af326d9e399f3834a81284f61dde2f0caaf6dd15 (patch) | |
| tree | 89f60bf88a20ba1e61d04f47ff0b3b13f0fc9d81 /075print-int-decimal.subx | |
| parent | c51f590273908d3fa314387b6e0dd605a669246d (diff) | |
| download | mu-af326d9e399f3834a81284f61dde2f0caaf6dd15.tar.gz | |
6070
Diffstat (limited to '075print-int-decimal.subx')
| -rw-r--r-- | 075print-int-decimal.subx | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/075print-int-decimal.subx b/075print-int-decimal.subx index 6967a2a7..19fae94b 100644 --- a/075print-int-decimal.subx +++ b/075print-int-decimal.subx @@ -312,16 +312,14 @@ is-decimal-digit?: # c: byte -> eax: boolean 51/push-ecx # ecx = c 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 1/r32/ecx 8/disp8 . # copy *(ebp+8) to ecx + # result = false + b8/copy-to-eax 0/imm32/false # return false if c < '0' 81 7/subop/compare 3/mod/direct 1/rm32/ecx . . . . . 0x30/imm32 # compare ecx - 7c/jump-if-< $is-decimal-digit?:false/disp8 - # return true if c <= '9' + 7c/jump-if-< $is-decimal-digit?:end/disp8 + # return (c <= '9') 81 7/subop/compare 3/mod/direct 1/rm32/ecx . . . . . 0x39/imm32 # compare ecx - 7e/jump-if-<= $is-decimal-digit?:true/disp8 - # otherwise return false -$is-decimal-digit?:false: - b8/copy-to-eax 0/imm32/false - eb/jump $is-decimal-digit?:end/disp8 + 7f/jump-if-> $is-decimal-digit?:end/disp8 $is-decimal-digit?:true: b8/copy-to-eax 1/imm32/true $is-decimal-digit?:end: |