kernel/drivers/wrpcclk.asm

50 lines
1.3 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.
;
; $Header$
;
%include "../kernel/segs.inc"
segment HMA_TEXT
;
; VOID WritePCClock(Ticks)
; ULONG Ticks;
;
global WRITEPCCLOCK
WRITEPCCLOCK:
; Ticks = 4
pop ax ; return address
pop dx
pop cx ; Ticks
push ax ; restore stack
mov ah,1
int 1ah
ret