/* | |
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"); | |
} | |
} | |
} | |