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/*
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vregset.c
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@description@
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <dos.h>
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#include <conio.h>
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#include "vregset.h"
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//#define outportb loutportb
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void
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loutportb (int port, int val)
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{
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printf ("port, val: %x %x\n", port, val);
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getch ();
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}
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void
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VideoRegisterSet (int *pregset)
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{
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int port, temp0, temp1, temp2;
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for (;;) {
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switch (*pregset++) {
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case VRS_END:
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return;
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case VRS_BYTE_OUT:
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port = *pregset++;
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outportb (port, *pregset++);
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break;
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case VRS_BYTE_RMW:
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port = *pregset++;
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temp0 = *pregset++;
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temp1 = *pregset++;
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temp2 = inportb (port);
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temp2 &= temp0;
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temp2 |= temp1;
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outportb (port, temp2);
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break;
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case VRS_WORD_OUT:
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port = *pregset++;
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outportb (port, *pregset & 0xFF);
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outportb (port + 1, *pregset >> 8);
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pregset++;
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break;
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default:
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Sys_Error ("VideoRegisterSet: Invalid command\n");
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}
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}
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}
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