mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-27 00:39:41 +03:00
82 lines
1.7 KiB
C
82 lines
1.7 KiB
C
/*
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
|
|
|
This program 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
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program 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 this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
*/
|
|
//
|
|
// vregset.c: video register-setting interpreter
|
|
//
|
|
|
|
#include <dos.h>
|
|
#include <conio.h>
|
|
|
|
#include "quakedef.h"
|
|
#include "vregset.h"
|
|
|
|
//#define outportb loutportb
|
|
|
|
void loutportb (int port, int val)
|
|
{
|
|
printf ("port, val: %x %x\n", port, val);
|
|
getch ();
|
|
}
|
|
|
|
/*
|
|
================
|
|
VideoRegisterSet
|
|
================
|
|
*/
|
|
void VideoRegisterSet (int *pregset)
|
|
{
|
|
int port, temp0, temp1, temp2;
|
|
|
|
for ( ;; )
|
|
{
|
|
switch (*pregset++)
|
|
{
|
|
case VRS_END:
|
|
return;
|
|
|
|
case VRS_BYTE_OUT:
|
|
port = *pregset++;
|
|
outportb (port, *pregset++);
|
|
break;
|
|
|
|
case VRS_BYTE_RMW:
|
|
port = *pregset++;
|
|
temp0 = *pregset++;
|
|
temp1 = *pregset++;
|
|
temp2 = inportb (port);
|
|
temp2 &= temp0;
|
|
temp2 |= temp1;
|
|
outportb (port, temp2);
|
|
break;
|
|
|
|
case VRS_WORD_OUT:
|
|
port = *pregset++;
|
|
outportb (port, *pregset & 0xFF);
|
|
outportb (port+1, *pregset >> 8);
|
|
pregset++;
|
|
break;
|
|
|
|
default:
|
|
Sys_Error ("VideoRegisterSet: Invalid command\n");
|
|
}
|
|
}
|
|
}
|
|
|