mirror of
https://github.com/libretro/scummvm.git
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129 lines
3.0 KiB
C++
129 lines
3.0 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2006 The ScummVM project
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*
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* Copyright (C) 1999-2003 Sarien Team
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*
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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. See the
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* 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 the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "common/stdafx.h"
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#include "agi/agi.h"
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#include "agi/opcodes.h"
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namespace Agi {
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int AgiEngine::v2IdGame() {
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int ver;
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ver = _gameDescription->version;
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_game.ver = ver;
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debugC(2, kDebugLevelMain, "game.ver = 0x%x", _game.ver);
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agiSetRelease(ver);
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return setupV2Game(ver, 0);
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}
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/*
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* Currently, there is no known difference between v3.002.098 -> v3.002.149
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* So version emulated;
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*
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* 0x0086,
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* 0x0149
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*/
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int AgiEngine::v3IdGame() {
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int ver;
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ver = _gameDescription->version;
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_game.ver = ver;
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debugC(2, kDebugLevelMain, "game.ver = 0x%x", _game.ver);
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agiSetRelease(ver);
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return setupV3Game(ver, 0);
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}
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/**
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*
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*/
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int AgiEngine::setupV2Game(int ver, uint32 crc) {
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int ec = errOK;
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if (ver == 0) {
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report("Unknown v2 Sierra game: %08x\n\n", crc);
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agiSetRelease(ver = 0x2917);
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}
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/* setup the differences in the opcodes and other bits in the
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* AGI v2 specs
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*/
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if (_opt.emuversion)
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agiSetRelease(ver = _opt.emuversion);
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// Should this go above the previous lines, so we can force emulation versions
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// even for AGDS games? -- dsymonds
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if (_opt.agdsMode)
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agiSetRelease(ver = 0x2440); /* ALL AGDS games built for 2.440 */
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report("Seting up for version 0x%04X\n", ver);
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// 'quit' takes 0 args for 2.089
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if (ver == 0x2089)
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logicNamesCmd[0x86].numArgs = 0;
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// 'print.at' and 'print.at.v' take 3 args before 2.272
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// This is documented in the specs as only < 2.440, but it seems
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// that KQ3 (2.272) needs a 'print.at' taking 4 args.
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if (ver < 0x2272) {
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logicNamesCmd[0x97].numArgs = 3;
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logicNamesCmd[0x98].numArgs = 3;
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}
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return ec;
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}
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/**
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*
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*/
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int AgiEngine::setupV3Game(int ver, uint32 crc) {
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int ec = errOK;
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if (ver == 0) {
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report("Unknown v3 Sierra game: %08x\n\n", crc);
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agiSetRelease(ver = 0x3149);
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}
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if (_opt.emuversion)
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agiSetRelease(ver = _opt.emuversion);
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report("Seting up for version 0x%04X\n", ver);
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// 'unknown176' takes 1 arg for 3.002.086, not 0 args.
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// 'unknown173' also takes 1 arg for 3.002.068, not 0 args.
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// Is this actually used anywhere? -- dsymonds
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if (ver == 0x3086) {
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logicNamesCmd[0xb0].numArgs = 1;
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logicNamesCmd[0xad].numArgs = 1;
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}
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return ec;
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}
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} // End of namespace Agi
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