FreeDOS/drivers/wrpcclk.asm
2001-04-15 03:21:50 +00:00

92 lines
2.4 KiB
NASM

;
; File:
; wrpcclk.asm
; Description:
; WritePCClock - sysclock support
;
; Copyright (c) 1995
; Pasquale J. Villani
; All Rights Reserved
;
; This file is part of DOS-C.
;
; DOS-C is free software; you can redistribute it and/or
; modify it under the terms of the GNU General Public License
; as published by the Free Software Foundation; either version
; 2, or (at your option) any later version.
;
; DOS-C is distributed in the hope that it will be useful, but
; WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
; the GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public
; License along with DOS-C; see the file COPYING. If not,
; write to the Free Software Foundation, 675 Mass Ave,
; Cambridge, MA 02139, USA.
;
; $Logfile: C:/dos-c/src/drivers/wrpcclk.asv $
;
; $Header$
;
; $Log$
; Revision 1.5 2001/04/15 03:21:50 bartoldeman
; See history.txt for the list of fixes.
;
; Revision 1.4 2001/03/21 02:56:25 bartoldeman
; See history.txt for changes. Bug fixes and HMA support are the main ones.
;
; Revision 1.3 2000/05/25 20:56:19 jimtabor
; Fixed project history
;
; Revision 1.2 2000/05/11 03:56:20 jimtabor
; Clean up and Release
;
; Revision 1.1.1.1 2000/05/06 19:34:53 jhall1
; The FreeDOS Kernel. A DOS kernel that aims to be 100% compatible with
; MS-DOS. Distributed under the GNU GPL.
;
; Revision 1.3 1999/08/10 17:21:08 jprice
; ror4 2011-01 patch
;
; Revision 1.2 1999/03/29 17:08:31 jprice
; ror4 changes
;
; Revision 1.1.1.1 1999/03/29 15:40:35 jprice
; New version without IPL.SYS
;
; Revision 1.2 1999/01/22 04:16:40 jprice
; Formating
;
; Revision 1.1.1.1 1999/01/20 05:51:00 jprice
; Imported sources
;
;
; Rev 1.2 29 Aug 1996 13:07:12 patv
;Bug fixes for v0.91b
;
; Rev 1.1 01 Sep 1995 18:50:42 patv
;Initial GPL release.
;
; Rev 1.0 02 Jul 1995 8:01:30 patv
;Initial revision.
;
%include "..\kernel\segs.inc"
segment HMA_TEXT
;
; VOID WritePCClock(Ticks)
; ULONG Ticks;
;
global _WritePCClock
_WritePCClock:
mov bx,sp
; Ticks = 4
mov cx,word [ss:bx+4]
mov dx,word [ss:bx+2] ;Ticks
mov ah,1
int 1ah
ret