mirror of https://github.com/nmlgc/ReC98.git
28 lines
463 B
NASM
28 lines
463 B
NASM
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; unsigned long __cdecl _lrotl(unsigned long val, int rotate_count)
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__lrotl proc DIST
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@@val = dword ptr (cPtrSize + 2)
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@@rotate_count = word ptr (cPtrSize + 2 + 4)
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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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mov ax, word ptr [bp+@@val]
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mov dx, word ptr [bp+@@val+2]
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mov cx, [bp+@@rotate_count]
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and cx, 1Fh
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jz short @@Rotated
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@@Rotating:
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rcl ax, 1
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rcl dx, 1
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adc ax, 0
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loop @@Rotating
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@@Rotated:
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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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__lrotl endp
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