mirror of
https://github.com/libretro/scummvm.git
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145 lines
3.3 KiB
C++
145 lines
3.3 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) 1999-2001 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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#ifdef PATCH_LOGIC
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#define ip (_game.logics[n].cIP)
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#define code (_game.logics[n].data)
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#define size (_game.logics[n].size)
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/*
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* Patches
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*/
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static const uint8 kq4dataFind[] = {
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0x0C, 0x04, 0xFF, 0x07, 0x05, 0xFF, 0x15, 0x00,
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0x03, 0x0A, 0x00, 0x77, 0x83, 0x71, 0x0D, 0x97,
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0x03, 0x98, 0xCE, 0x18, 0x98, 0x19, 0x98, 0x1B,
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0x98, 0x0C, 0x5A, 0x1A, 0x00
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};
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static const uint8 kq4dataFix[] = {
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/* v19 = 0
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* new.room(96)
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* return
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*/
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0x03, 0x13, 0x0, 0x12, 0x60, 0x00
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};
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static const uint8 grdataFind[] = {
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0x0C, 0x04, 0xFF, 0x07, 0x05, 0xFF, 0x16, 0x00,
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0x0C, 0x96, 0x03, 0x0A, 0x00, 0x77, 0x83, 0x71,
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0x0D, 0xD9, 0x03, 0xDC, 0xBF, 0x18, 0xDC, 0x19,
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0xDC, 0x1B, 0xDC, 0x0C, 0x95, 0x1A
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};
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static const uint8 grdataFix[] = {
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/* reset(227)
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* v19 = 0
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* v246 = 1
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* set(15)
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* new.room(73)
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*/
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0x0D, 0xE3, 0x03, 0x13, 0x00, 0x03, 0xF6, 0x01,
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0x0C, 0x0F, 0x12, 0x49
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};
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#if 0
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static const uint8 lsl1dataFind[] = {
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0xFF, 0xFD, 0x07, 0x1E, 0xFC, 0x07, 0x6D, 0x01,
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0x5F, 0x03, 0xFC, 0xFF, 0x12, 0x00, 0x0C, 0x6D,
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0x78, 0x8A, 0x77, 0x69, 0x16, 0x18, 0x00, 0x0D,
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0x30, 0x0D, 0x55, 0x78, 0x65, 0x0A
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};
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static const uint8 lsl1dataFix[] = {
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/* set(109)
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* reset(48)
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* reset(85)
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* accept.input()
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* new.room(11)
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*/
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0x0C, 0x6D, 0x0D, 0x30, 0x0D, 0x55, 0x78, 0x12,
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0x0B
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};
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#endif
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static const uint8 mh1dataFind[] = {
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0xFF, 0x07, 0x05, 0xFF, 0xE6, 0x00,
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0x03, 0x0A, 0x02, 0x77, 0x83, 0x71,
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0x6F, 0x01, 0x17, 0x00, 0x03, 0x00,
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0x9F, 0x03, 0x37, 0x00, 0x03, 0x32,
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0x03, 0x03, 0x3B, 0x00, 0x6C, 0x03
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};
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static const uint8 mh1dataFix[] = {
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0x0C, 0x05, 0x16, 0x5A, 0x12, 0x99
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};
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void AgiEngine::patchLogic(int n) {
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switch (n) {
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#if 0
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/* ALT-X in the questions takes care of that */
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case 6:
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/* lsl1 bypass questions */
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if (!strcmp(_game.id, "LLLLL")) {
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if (!memcmp(lsl1dataFind, (code + ip), 30))
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memmove((code + ip), lsl1dataFix, 9);
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}
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break;
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#endif
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case 125:
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/* gold rush code break */
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if (!strcmp(_game.id, "GR")) {
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if (!memcmp(grdataFind, (code + ip), 30))
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memmove((code + ip), grdataFix, 12);
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}
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break;
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case 140:
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/* kings quest 4 code break */
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if (!strcmp(_game.id, "KQ4")) {
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if (memcmp(kq4dataFind, (code + ip), 29) == 0)
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memmove((code + ip), kq4dataFix, 6);
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}
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break;
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case 159:
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/* manhunter 1 amiga */
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if (ip + 30 < size && !memcmp(mh1dataFind, (code + ip), 30)) {
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memmove((code + ip), mh1dataFix, 6);
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}
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break;
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}
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}
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#endif
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} // End of namespace Agi
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