mirror of https://github.com/nmlgc/ReC98.git
27 lines
385 B
NASM
27 lines
385 B
NASM
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; int __cdecl isatty(int handle)
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public _isatty
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_isatty proc DIST
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if LDATA
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@@handle = word ptr 6
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else
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@@handle = word ptr 4
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endif
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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, 4400h
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mov bx, [bp+@@handle]
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int 21h ; DOS - 2+ - IOCTL - GET DEVICE INFORMATION
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; BX = file or device handle
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xchg ax, dx
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and ax, 80h
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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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_isatty endp
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