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[/] [or1k_old/] [trunk/] [newlib/] [newlib/] [libc/] [sys/] [go32/] [getkey.s] - Rev 1782
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/* This is file GETKEY.S */ /* ** Copyright (C) 1993 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. Modified by J. Alan Eldridge, Liberty Brokerage, 77 Water St, NYC 10005 Changed handling of characters starting with 0xE0: Now calls interrupt 16, function 10 if leading byte was 0x00, ah = 0x01 if leading byte was 0xE0, ah = 0x02 The main function is now called getxkey()... getkey is provided to maintain compatibility with already written software */ .globl _getxkey _getxkey: pushl %ebx pushl %esi pushl %edi movb $0x10,%ah int $0x16 mov $1,%bl cmpb $0,%al je L0 cmpb $0xE0,%al jne L1 inc %bl L0: movb %ah,%al movb %bl,%ah jmp L2 L1: movb $0,%ah L2: andl $0xffff,%eax popl %edi popl %esi popl %ebx ret .globl _getkey _getkey: call _getxkey testb $0x02,%ah jz L3 movb $0x01,%ah L3: ret