home *** CD-ROM | disk | FTP | other *** search
- /* 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
-