mirror of https://github.com/nmlgc/ReC98.git
36 lines
633 B
NASM
36 lines
633 B
NASM
; long _CType lseek(int fd, long ofs, int kind)
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public _lseek
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_lseek proc
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@@fd = word ptr dPtrSize + 2
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@@ofs = dword ptr dPtrSize + 4
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@@kind = byte ptr dPtrSize + 8
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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 bx, [bp+@@fd]
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add bx, bx
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and _openfd[bx], 0FDFFh
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mov ah, 42h
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mov al, [bp+@@kind]
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mov bx, [bp+@@fd]
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mov cx, word ptr [bp+@@ofs+2]
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mov dx, word ptr [bp+@@ofs]
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int 21h
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jb short @@lseekFailed
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jmp short @@lseekRet
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; ---------------------------------------------------------------------------
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@@lseekFailed:
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push ax
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call __IOERROR
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cwd
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@@lseekRet:
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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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_lseek endp
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