mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-14 00:40:55 +00:00
1fce1ea12e
this is I mistakenly did so while making some other changes (which I made sure were NOT in the checkin:)
89 lines
1.7 KiB
C
89 lines
1.7 KiB
C
|
|
/*
|
|
vregset.c
|
|
|
|
@description@
|
|
|
|
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:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
$Id$
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include <dos.h>
|
|
#include <conio.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");
|
|
}
|
|
}
|
|
}
|