mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-29 13:16:18 +00:00
458 lines
10 KiB
C++
458 lines
10 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001-2003 The ScummVM project
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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// Simon debug functions
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#include "stdafx.h"
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#include "simon/simon.h"
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#include "simon/intern.h"
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#include "simon/debug.h"
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#include "simon/vga.h"
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#if defined (WIN32) && !defined(_WIN32_WCE)
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#include <sys/stat.h>
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#endif
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byte *SimonEngine::dumpOpcode(byte *p) {
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byte opcode;
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const char *s, *st;
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opcode = *p++;
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if (opcode == 255)
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return NULL;
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if (_game & GF_SIMON2 && _game & GF_TALKIE) {
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st = s = simon2talkie_opcode_name_table[opcode];
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} else if (_game & GF_TALKIE) {
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st = s = simon1talkie_opcode_name_table[opcode];
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} else if (_game & GF_SIMON2) {
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st = s = simon2dos_opcode_name_table[opcode];
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} else {
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st = s = simon1dos_opcode_name_table[opcode];
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}
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if (s == NULL) {
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error("INVALID OPCODE %d", opcode);
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return NULL;
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}
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while (*st != '|')
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st++;
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fprintf(_dump_file, "%s ", st + 1);
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for (;;) {
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switch (*s++) {
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case 'x':
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fprintf(_dump_file, "\n");
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return NULL;
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case '|':
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fprintf(_dump_file, "\n");
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return p;
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case 'B':{
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byte b = *p++;
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if (b == 255)
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fprintf(_dump_file, "[%d] ", *p++);
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else
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fprintf(_dump_file, "%d ", b);
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break;
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}
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case 'V':{
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byte b = *p++;
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if (b == 255)
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fprintf(_dump_file, "[[%d]] ", *p++);
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else
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fprintf(_dump_file, "[%d] ", b);
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break;
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}
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case 'W':{
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int n = (int16)((p[0] << 8) | p[1]);
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p += 2;
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if (n >= 30000 && n < 30512)
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fprintf(_dump_file, "[%d] ", n - 30000);
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else
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fprintf(_dump_file, "%d ", n);
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break;
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}
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case 'w':{
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int n = (int16)((p[0] << 8) | p[1]);
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p += 2;
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fprintf(_dump_file, "%d ", n);
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break;
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}
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case 'I':{
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int n = (int16)((p[0] << 8) | p[1]);;
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p += 2;
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if (n == -1)
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fprintf(_dump_file, "ITEM_M1 ");
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else if (n == -3)
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fprintf(_dump_file, "ITEM_M3 ");
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else if (n == -5)
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fprintf(_dump_file, "ITEM_1 ");
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else if (n == -7)
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fprintf(_dump_file, "ITEM_0 ");
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else if (n == -9)
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fprintf(_dump_file, "ITEM_A_PARENT ");
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else
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fprintf(_dump_file, "<%d> ", n);
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break;
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}
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case 'J':{
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fprintf(_dump_file, "-> ");
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}
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break;
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case 'T':{
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uint n = ((p[0] << 8) | p[1]);
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p += 2;
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if (n != 0xFFFF)
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fprintf(_dump_file, "\"%s\"(%d) ", getStringPtrByID(n), n);
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else
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fprintf(_dump_file, "NULL_STRING ");
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}
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break;
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}
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}
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}
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void SimonEngine::dumpSubroutineLine(SubroutineLine *sl, Subroutine *sub) {
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byte *p;
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printf("; ****\n");
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p = (byte *)sl + SUBROUTINE_LINE_SMALL_SIZE;
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if (sub->id == 0) {
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fprintf(_dump_file, "; cond_a=%d, cond_b=%d, cond_c=%d\n", sl->cond_a, sl->cond_b, sl->cond_c);
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p = (byte *)sl + SUBROUTINE_LINE_BIG_SIZE;
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}
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for (;;) {
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p = dumpOpcode(p);
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if (p == NULL)
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break;
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}
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}
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void SimonEngine::dumpSubroutine(Subroutine *sub) {
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SubroutineLine *sl;
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fprintf(_dump_file, "\n******************************************\n;Subroutine, ID=%d:\nSUB_%d:\n", sub->id, sub->id);
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sl = (SubroutineLine *)((byte *)sub + sub->first);
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for (; (byte *)sl != (byte *)sub; sl = (SubroutineLine *)((byte *)sub + sl->next)) {
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dumpSubroutineLine(sl, sub);
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}
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fprintf(_dump_file, "\nEND ******************************************\n");
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fflush(_dump_file);
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}
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void SimonEngine::dumpSubroutines() {
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Subroutine *sub = _subroutine_list;
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for (; sub; sub = sub->next) {
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dumpSubroutine(sub);
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}
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}
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void SimonEngine::dump_video_script(byte *src, bool one_opcode_only) {
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uint opcode;
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const char *str, *strn;
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do {
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if (!(_game & GF_SIMON2)) {
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opcode = READ_BE_UINT16(src);
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src += 2;
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} else {
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opcode = *src++;
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}
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if (opcode >= gss->NUM_VIDEO_OP_CODES) {
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error("Invalid opcode %x\n", opcode);
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return;
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}
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if (!(_game & GF_SIMON2)) {
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strn = str = simon1_video_opcode_name_table[opcode];
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} else {
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strn = str = simon2_video_opcode_name_table[opcode];
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}
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while (*strn != '|')
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strn++;
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fprintf(_dump_file, "%.2d: %s ", opcode, strn + 1);
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for (; *str != '|'; str++) {
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switch (*str) {
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case 'x':
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fprintf(_dump_file, "\n");
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return;
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case 'b':
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fprintf(_dump_file, "%d ", *src++);
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break;
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case 'd':
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fprintf(_dump_file, "%d ", READ_BE_UINT16(src));
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src += 2;
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break;
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case 'v':
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fprintf(_dump_file, "[%d] ", READ_BE_UINT16(src));
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src += 2;
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break;
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case 'i':
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fprintf(_dump_file, "%d ", (int16)READ_BE_UINT16(src));
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src += 2;
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break;
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case 'q':
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while (READ_BE_UINT16(src) != 999) {
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fprintf(_dump_file, "(%d,%d) ", READ_BE_UINT16(src),
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READ_BE_UINT16(src + 2));
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src += 4;
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}
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src++;
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break;
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default:
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error("Invalid fmt string '%c' in decompile VGA", *str);
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}
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}
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fprintf(_dump_file, "\n");
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} while (!one_opcode_only);
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}
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void SimonEngine::dump_vga_file(byte *vga) {
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{
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byte *pp;
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byte *p;
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int count;
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pp = vga;
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p = pp + READ_BE_UINT16(&((VgaFile1Header *) pp)->hdr2_start);
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count = READ_BE_UINT16(&((VgaFile1Header2 *) p)->id_count);
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p = pp + READ_BE_UINT16(&((VgaFile1Header2 *) p)->id_table);
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while (--count >= 0) {
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int id = READ_BE_UINT16(&((VgaFile1Struct0x6 *) p)->id);
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dump_vga_script_always(vga + READ_BE_UINT16(&((VgaFile1Struct0x6 *) p)->script_offs), id / 100, id);
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p += sizeof(VgaFile1Struct0x6);
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}
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}
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{
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byte *bb, *b;
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int c;
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bb = vga;
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b = bb + READ_BE_UINT16(&((VgaFile1Header *) bb)->hdr2_start);
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c = READ_BE_UINT16(&((VgaFile1Header2 *) b)->unk1);
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b = bb + READ_BE_UINT16(&((VgaFile1Header2 *) b)->unk2_offs);
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while (--c >= 0) {
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int id = READ_BE_UINT16(&((VgaFile1Struct0x8 *) b)->id);
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dump_vga_script_always(vga + READ_BE_UINT16(&((VgaFile1Struct0x8 *) b)->script_offs), id / 100, id);
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b += sizeof(VgaFile1Struct0x8);
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}
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}
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}
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const byte bmp_hdr[] = {
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0x42, 0x4D,
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0x9E, 0x14, 0x00, 0x00, /* offset 2, file size */
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0x00, 0x00, 0x00, 0x00,
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0x36, 0x04, 0x00, 0x00,
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0x28, 0x00, 0x00, 0x00,
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0x3C, 0x00, 0x00, 0x00, /* image width */
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0x46, 0x00, 0x00, 0x00, /* image height */
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0x01, 0x00, 0x08, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x01, 0x00, 0x00,
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0x00, 0x01, 0x00, 0x00,
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};
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void dump_bmp(const char *filename, int w, int h, const byte *bytes, const uint32 *palette) {
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FILE *out = fopen(filename, "wb");
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byte my_hdr[sizeof(bmp_hdr)];
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int i;
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if (out == NULL) {
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printf("DUMP ERROR\n");
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return;
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}
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memcpy(my_hdr, bmp_hdr, sizeof(bmp_hdr));
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*(uint32 *)(my_hdr + 2) = w * h + 1024 + sizeof(bmp_hdr);
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*(uint32 *)(my_hdr + 18) = w;
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*(uint32 *)(my_hdr + 22) = h;
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fwrite(my_hdr, 1, sizeof(my_hdr), out);
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for (i = 0; i != 256; i++, palette++) {
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byte color[4];
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color[0] = (byte)(*palette >> 16);
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color[1] = (byte)(*palette >> 8);
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color[2] = (byte)(*palette);
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color[3] = 0;
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fwrite(color, 1, 4, out);
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}
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while (--h >= 0) {
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fwrite(bytes + h * ((w + 3) & ~3), ((w + 3) & ~3), 1, out);
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}
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fclose(out);
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}
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void dump_bitmap(const char *filename, byte *offs, int w, int h, int flags, const byte *palette,
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byte base)
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{
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/* allocate */
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byte *b = (byte *)malloc(w * h);
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int i, j;
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VC10_state state;
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state.depack_cont = -0x80;
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state.depack_src = offs;
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state.dh = h;
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state.y_skip = 0;
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for (i = 0; i != w; i += 2) {
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byte *c = vc_10_depack_column(&state);
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for (j = 0; j != h; j++) {
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byte pix = c[j];
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b[j * w + i] = (pix >> 4) | base;
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b[j * w + i + 1] = (pix & 0xF) | base;
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}
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}
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dump_bmp(filename, w, h, b, (const uint32 *)palette);
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free(b);
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}
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void SimonEngine::dump_single_bitmap(int file, int image, byte *offs, int w, int h, byte base) {
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/* Only supported for win32 atm. mkdir doesn't work otherwise. */
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#if defined (WIN32) && !defined(_WIN32_WCE)
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char buf[255], buf2[255];
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struct stat statbuf;
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sprintf(buf, "bmp_%d\\%d.bmp", file, image);
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if (stat(buf, &statbuf) == 0)
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return;
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sprintf(buf2, "bmp_%d", file);
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mkdir(buf2);
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dump_bitmap(buf, offs, w, h, 0, _palette, base);
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#endif
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}
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void pal_load(byte *pal, const byte *vga1, int a, int b) {
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uint num = a==0 ? 0x20 : 0x10;
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byte *palptr;
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const byte *src;
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palptr = (byte*)&pal[a<<4];
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src = vga1 + 6 + b*96;
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do {
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palptr[0] = src[0]<<2;
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palptr[1] = src[1]<<2;
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palptr[2] = src[2]<<2;
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palptr[3] = 0;
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palptr += 4;
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src += 3;
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} while (--num);
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}
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void SimonEngine::dump_vga_bitmaps(byte *vga, byte *vga1, int res) {
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/* Only supported for win32 atm. mkdir doesn't work otherwise. */
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#if defined (WIN32) && !defined(_WIN32_WCE)
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int i;
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uint32 offs;
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byte *p2;
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byte pal[768];
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{
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memset(pal, 0, sizeof(pal));
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pal_load(pal, vga1, 2, 0);
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pal_load(pal, vga1, 3, 1);
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pal_load(pal, vga1, 4, 2);
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pal_load(pal, vga1, 5, 3);
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}
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{
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char buf[255], buf2[255];
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sprintf(buf, "bmp_%d", res);
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mkdir(buf2);
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}
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int width, height, flags;
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i = 538;
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for(i=1; ; i++) {
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p2 = vga + i * 8;
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offs = TO_BE_32(*(uint32*)p2);
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/* try to detect end of images.
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* assume the end when offset >= 200kb */
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if (offs >= 200*1024)
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return;
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width = TO_BE_16(*(uint16*)(p2+6));
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height = p2[5];
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flags = p2[4];
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fprintf(_dump_file, "Image %d. Width=%d, Height=%d, Flags=0x%X\n", i, width, height, flags);
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fflush(_dump_file);
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/* dump bitmap */
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{
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char buf[255];
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sprintf(buf, "bmp_%d\\%d.bmp", res, i);
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dump_bitmap(buf, vga + offs, width, height, flags, pal, 0);
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}
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}
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#endif
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}
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void SimonEngine::dump_vga_script_always(byte *ptr, uint res, uint sprite_id) {
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fprintf(_dump_file, "; address=%x, vgafile=%d vgasprite=%d\n",
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ptr - _vga_buffer_pointers[res].vgaFile1, res, sprite_id);
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dump_video_script(ptr, false);
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fprintf(_dump_file, "; end\n");
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}
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void SimonEngine::dump_vga_script(byte *ptr, uint res, uint sprite_id) {
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dump_vga_script_always(ptr, res, sprite_id);
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}
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