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Cream of the Crop 1
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Cream of the Crop 1.iso
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PROGRAM
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CBGRX100.ARJ
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GETKEY.S
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1992-04-08
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856b
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36 lines
/* This is file GETKEY.S */
/*
** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** A copy of "copying.dj" should accompany this file; if not, a copy
** should be available from where this file was obtained. This file
** may not be distributed without a verbatim copy of "copying.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
.globl _getkey
_getkey:
pushl %ebx
pushl %esi
pushl %edi
xorl %eax,%eax
int $0x16
orb %al,%al
jnz L1
movb %ah,%al
movb $1,%ah
jmp L2
L1:
xorb %ah,%ah
L2:
andl $0xffff,%eax
popl %edi
popl %esi
popl %ebx
ret