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/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

/*
 * This code is based on the original source code of Lord Avalot d'Argent version 1.3.
 * Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
 */

#include "graph.h"

namespace Avalanche {

integer gd, gm;
byte fv;
matrix<1, 35, 0, 39, byte> a;
array<0, 3, 0, 4, 1, 35, byte> b;
int main(int argc, const char *argv[]) {
	pio_initialize(argc, argv);
	gd = 3;
	gm = 0;
	initgraph(gd, gm, "");
	for (gd = 0; gd <= 39; gd ++)
		for (gm = 1; gm <= 35; gm ++)
			a[gm][gd] = (gd + gm) % 16;
	for (gd = 0; gd <= 39; gd ++)
		for (gm = 1; gm <= 35; gm ++)
			putpixel(gd + 100, gm + 100, a[gm][gd]);

	fillchar(b, sizeof(b), '\0');
	for (gm = 1; gm <= 35; gm ++)
		for (gd = 0; gd <= 39; gd ++) {
			for (fv = 0; fv <= 3; fv ++) {
				b[fv][gd / 8][gm] = (b[fv][gd / 8][gm] << 1);
				b[fv][gd / 8][gm] += ((cardinal)(a[gm][gd] & (1 << fv)) >> fv);
			}
		}

	for (gd = 1; gd <= 35; gd ++)
		for (gm = 0; gm <= 4; gm ++) {
			for (fv = 0; fv <= 3; fv ++) {
				port[0x3c4] = 2;
				port[0x3ce] = 4;
				port[0x3c5] = 1 << fv;
				port[0x3cf] = fv;
				mem[0xa000 * gd * 80 + gm] = b[fv][gm][gd];
			}
		}
	return EXIT_SUCCESS;
}

} // End of namespace Avalanche.