104 lines
3.0 KiB
C++
104 lines
3.0 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "common/endian.h"
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#include "glk/scott/types.h"
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#include "glk/scott/unp64/unp64.h"
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#include "glk/scott/unp64/exo_util.h"
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namespace Glk {
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namespace Scott {
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void scnSection8(UnpStr *unp) {
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byte *mem;
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int p;
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if (unp->_idFlag)
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return;
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mem = unp->_mem;
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if (unp->_depAdr == 0) {
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for (p = 0x810; p <= 0x828; p++) {
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if (u32eq(mem + p, (unsigned int)(0x00BD00A2 + (((p & 0xff) + 0x11) << 24))) &&
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u32eq(mem + p + 0x04, 0x01009D08) &&
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u32eq(mem + p + 0x10, 0x34A97801) &&
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u32eq(mem + p + 0x6a, 0xB1017820) &&
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u32eq(mem + p + 0x78, 0x017F20AE)) {
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unp->_depAdr = 0x100;
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break;
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}
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}
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if (unp->_depAdr) {
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if (unp->_info->_run == -1)
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unp->_forced = p;
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unp->_strMem = mem[p + 0x47] | mem[p + 0x4b] << 8;
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unp->_retAdr = READ_LE_UINT16(&mem[p + 0x87]); // mem[p + 0x87] | mem[p + 0x88] << 8;
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if (unp->_retAdr == 0xf7) {
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unp->_retAdr = 0xa7ae;
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mem[p + 0x87] = 0xae;
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mem[p + 0x88] = 0xa7;
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}
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unp->_endAdr = 0xae;
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unp->_idFlag = 1;
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return;
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}
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}
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/* Crackman variant? */
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if (unp->_depAdr == 0) {
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if (u32eq(mem + 0x827, 0x38BD00A2) &&
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u32eq(mem + 0x82b, 0x01009D08) &&
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u32eq(mem + 0x837, 0x34A97801) &&
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u32eq(mem + 0x891, 0xB1018420) &&
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u32eq(mem + 0x89f, 0x018b20AE)) {
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unp->_depAdr = 0x100;
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if (unp->_info->_run == -1)
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unp->_forced = 0x827;
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unp->_strMem = mem[0x86e] | mem[0x872] << 8;
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if (u16eq(mem + 0x8b7, 0xff5b)) {
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mem[0x8b6] = 0x2c;
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unp->_retAdr = READ_LE_UINT16(&mem[0x8ba]); // mem[0x8ba] | mem[0x8bb] << 8;
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} else {
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unp->_retAdr = READ_LE_UINT16(&mem[0x8b7]); // mem[0x8b7] | mem[0x8b8] << 8;
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}
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unp->_endAdr = 0xae;
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unp->_idFlag = 1;
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return;
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}
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}
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/* PET||SLAN variant? */
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if (unp->_depAdr == 0) {
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if (u32eq(mem + 0x812, 0x20BD00A2) &&
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u32eq(mem + 0x816, 0x033c9D08) &&
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u32eq(mem + 0x863, 0xB103B420) &&
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u32eq(mem + 0x86c, 0x03BB20AE)) {
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unp->_depAdr = 0x33c;
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if (unp->_info->_run == -1)
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unp->_forced = 0x812;
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unp->_strMem = mem[0x856] | mem[0x85a] << 8;
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unp->_retAdr = READ_LE_UINT16(&mem[0x896]); // mem[0x896] | mem[0x897] << 8;
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unp->_endAdr = 0xae;
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unp->_idFlag = 1;
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return;
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}
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}
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}
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} // End of namespace Scott
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} // End of namespace Glk
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