mirror of
https://github.com/libretro/scummvm.git
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129 lines
3.3 KiB
C++
129 lines
3.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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 "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 = getVersion();
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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 = getVersion();
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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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// 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 (getFeatures() & GF_AGDS)
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agiSetRelease(ver = 0x2440); /* ALL AGDS games built for 2.440 */
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report("Setting 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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report("Setting 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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// FIXME: Apply this fix to other games also that use 2 arguments for command 182.
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// 'adj.ego.move.to.x.y' (i.e. command 182) takes 2 arguments for at least the
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// Amiga Gold Rush! (v2.05 1989-03-09) using Amiga AGI 2.316. Amiga's Gold Rush
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// has been set to use AGI 3.149 in ScummVM so that's why this initialization is
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// here and not in setupV2Game.
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if (getGameID() == GID_GOLDRUSH && getPlatform() == Common::kPlatformAmiga)
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logicNamesCmd[182].numArgs = 2;
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return ec;
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}
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} // End of namespace Agi
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