mirror of https://github.com/nmlgc/ReC98.git
61 lines
924 B
NASM
61 lines
924 B
NASM
; void __cdecl setmem(void *addr, unsigned int len, char val)
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public _setmem
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_setmem proc DIST
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@@addr = dword ptr 6
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@@len = word ptr 0Ah
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@@val = byte ptr 0Ch
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push bp
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mov bp, sp
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push si
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push di
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LES_ di, [bp+@@addr]
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mov cx, [bp+@@len]
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mov al, [bp+@@val]
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mov ah, al
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cld
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test di, 1
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jz short @@isAligned
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jcxz short @@done
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stosb
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dec cx
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@@isAligned:
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shr cx, 1
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rep stosw
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jnb short @@noOdd
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stosb
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@@noOdd:
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@@done:
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pop di
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pop si
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pop bp
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ret
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_setmem endp
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; void *__cdecl memset(void *src, int c, size_t n)
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public _memset
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_memset proc DIST
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@@src = dword ptr 6
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@@c = byte ptr 0Ah
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@@n = word ptr 0Ch
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push bp
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mov bp, sp
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push si
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push di
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push word ptr [bp+@@c]
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push [bp+@@n]
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push word ptr [bp+@@src+2]
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push word ptr [bp+@@src]
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call _setmem
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add sp, 8
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mov dx, word ptr [bp+@@src+2]
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mov ax, word ptr [bp+@@src]
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pop di
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pop si
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pop bp
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ret
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_memset endp
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