1 // (c) Copyright 2006-2007 notaz, All rights reserved.
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2 // Free for non-commercial use.
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4 // For commercial use, separate licencing terms must be obtained.
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8 #include <ctype.h> // tolower
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16 #include "lprintf.h"
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20 #include <Pico/PicoInt.h>
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21 #include <Pico/Patch.h>
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22 #include <Pico/cd/cue.h>
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23 #include <zlib/zlib.h>
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26 char *PicoConfigFile = "config.cfg";
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27 currentConfig_t currentConfig, defaultConfig;
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29 char noticeMsg[64] = { 0, };
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31 int config_slot = 0, config_slot_current = 0;
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32 char loadedRomFName[512] = { 0, };
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33 int kb_combo_keys = 0, kb_combo_acts = 0; // keys and actions which need button combos
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34 int pico_inp_mode = 0;
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36 unsigned char *movie_data = NULL;
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37 static int movie_size = 0;
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39 // provided by platform code:
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40 extern void emu_noticeMsgUpdated(void);
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41 extern int emu_getMainDir(char *dst, int len);
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42 extern void menu_romload_prepare(const char *rom_name);
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43 extern void menu_romload_end(void);
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47 static void strlwr_(char* string)
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49 while ( (*string++ = (char)tolower(*string)) );
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52 static int try_rfn_cut(char *fname)
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57 p = fname + strlen(fname) - 1;
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58 for (; p > fname; p--)
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59 if (*p == '.') break;
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62 if((tmp = fopen(fname, "rb"))) {
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69 static void get_ext(char *file, char *ext)
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73 p = file + strlen(file) - 4;
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74 if (p < file) p = file;
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80 char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };
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81 char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };
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82 char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };
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84 int emu_findBios(int region, char **bios_file)
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86 static char bios_path[1024];
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91 if (region == 4) { // US
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92 files = biosfiles_us;
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93 count = sizeof(biosfiles_us) / sizeof(char *);
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94 } else if (region == 8) { // EU
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95 files = biosfiles_eu;
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96 count = sizeof(biosfiles_eu) / sizeof(char *);
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97 } else if (region == 1 || region == 2) {
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98 files = biosfiles_jp;
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99 count = sizeof(biosfiles_jp) / sizeof(char *);
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104 for (i = 0; i < count; i++)
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106 emu_getMainDir(bios_path, sizeof(bios_path));
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107 strcat(bios_path, files[i]);
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108 strcat(bios_path, ".bin");
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109 f = fopen(bios_path, "rb");
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112 bios_path[strlen(bios_path) - 4] = 0;
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113 strcat(bios_path, ".zip");
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114 f = fopen(bios_path, "rb");
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119 lprintf("using bios: %s\n", bios_path);
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121 if (bios_file) *bios_file = bios_path;
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124 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",
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125 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
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126 lprintf("%s\n", menuErrorMsg);
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131 /* check if the name begins with BIOS name */
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133 static int emu_isBios(const char *name)
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136 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)
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137 if (strstr(name, biosfiles_us[i]) != NULL) return 1;
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138 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)
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139 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;
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140 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)
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141 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;
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146 static unsigned char id_header[0x100];
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148 /* checks if fname points to valid MegaCD image
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149 * if so, checks for suitable BIOS */
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150 int emu_cdCheck(int *pregion, char *fname_in)
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152 unsigned char buf[32];
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154 int region = 4; // 1: Japan, 4: US, 8: Europe
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155 char ext[5], *fname = fname_in;
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156 cue_track_type type = CT_UNKNOWN;
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157 cue_data_t *cue_data = NULL;
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159 get_ext(fname_in, ext);
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160 if (strcasecmp(ext, ".cue") == 0) {
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161 cue_data = cue_parse(fname_in);
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162 if (cue_data != NULL) {
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163 fname = cue_data->tracks[1].fname;
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164 type = cue_data->tracks[1].type;
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170 cd_f = pm_open(fname);
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171 if (cue_data != NULL)
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172 cue_destroy(cue_data);
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174 if (cd_f == NULL) return 0; // let the upper level handle this
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176 if (pm_read(buf, 32, cd_f) != 32) {
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181 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {
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182 if (type && type != CT_ISO)
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183 elprintf(EL_STATUS, ".cue has wrong type: %i", type);
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184 type = CT_ISO; // Sega CD (ISO)
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186 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {
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187 if (type && type != CT_BIN)
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188 elprintf(EL_STATUS, ".cue has wrong type: %i", type);
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189 type = CT_BIN; // Sega CD (BIN)
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192 if (type == CT_UNKNOWN) {
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197 pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);
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198 pm_read(id_header, sizeof(id_header), cd_f);
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200 /* it seems we have a CD image here. Try to detect region now.. */
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201 pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);
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202 pm_read(buf, 1, cd_f);
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205 if (buf[0] == 0x64) region = 8; // EU
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206 if (buf[0] == 0xa1) region = 1; // JAP
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208 lprintf("detected %s Sega/Mega CD image with %s region\n",
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209 type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
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211 if (pregion != NULL) *pregion = region;
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216 static int extract_text(char *dest, const unsigned char *src, int len, int swab)
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221 if (swab) swab = 1;
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223 for (i = len - 1; i >= 0; i--)
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225 if (src[i^swab] != ' ') break;
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229 for (i = 0; i < len; i++)
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231 unsigned char s = src[i^swab];
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232 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&
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233 s != '[' && s != ']' && s != '\\')
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239 sprintf(p, "\\%02x", s);
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247 char *emu_makeRomId(void)
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249 static char id_string[3+0xe*3+0x3*3+0x30*3+3];
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252 if (PicoAHW & PAHW_MCD) {
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253 strcpy(id_string, "CD|");
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256 else strcpy(id_string, "MD|");
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259 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial
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260 id_string[pos] = '|'; pos++;
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261 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region
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262 id_string[pos] = '|'; pos++;
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263 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name
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264 id_string[pos] = 0;
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269 // buffer must be at least 150 byte long
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270 void emu_getGameName(char *str150)
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272 int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;
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275 ret = extract_text(str150, id_header + 0x50, 0x30, swab); // overseas name
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277 for (s = d = str150 + 1; s < str150+ret; s++)
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279 if (*s == 0) break;
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280 if (*s != ' ' || d[-1] != ' ')
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286 // note: this function might mangle rom_fname
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287 int emu_ReloadRom(char *rom_fname)
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289 unsigned int rom_size = 0;
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290 char *used_rom_name = rom_fname;
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291 unsigned char *rom_data = NULL;
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293 pm_file *rom = NULL;
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294 int ret, cd_state, cd_region, cfg_loaded = 0;
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296 lprintf("emu_ReloadRom(%s)\n", rom_fname);
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298 get_ext(rom_fname, ext);
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300 // detect wrong extensions
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301 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz
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302 sprintf(menuErrorMsg, "Not a ROM/CD selected.");
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308 // check for movie file
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313 if (!strcmp(ext, ".gmv"))
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315 // check for both gmv and rom
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317 FILE *movie_file = fopen(rom_fname, "rb");
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319 sprintf(menuErrorMsg, "Failed to open movie.");
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322 fseek(movie_file, 0, SEEK_END);
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323 movie_size = ftell(movie_file);
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324 fseek(movie_file, 0, SEEK_SET);
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325 if(movie_size < 64+3) {
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326 sprintf(menuErrorMsg, "Invalid GMV file.");
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327 fclose(movie_file);
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330 movie_data = malloc(movie_size);
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331 if(movie_data == NULL) {
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332 sprintf(menuErrorMsg, "low memory.");
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333 fclose(movie_file);
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336 fread(movie_data, 1, movie_size, movie_file);
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337 fclose(movie_file);
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338 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
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339 sprintf(menuErrorMsg, "Invalid GMV file.");
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342 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
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344 sprintf(menuErrorMsg, "Could't find a ROM for movie.");
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347 get_ext(rom_fname, ext);
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349 else if (!strcmp(ext, ".pat"))
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352 PicoPatchLoad(rom_fname);
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353 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
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355 sprintf(menuErrorMsg, "Could't find a ROM to patch.");
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358 get_ext(rom_fname, ext);
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363 // check for MegaCD image
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364 cd_state = emu_cdCheck(&cd_region, rom_fname);
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365 if (cd_state >= 0 && cd_state != CIT_NOT_CD)
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367 PicoAHW |= PAHW_MCD;
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368 // valid CD image, check for BIOS..
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370 // we need to have config loaded at this point
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371 ret = emu_ReadConfig(1, 1);
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372 if (!ret) emu_ReadConfig(0, 1);
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375 if (PicoRegionOverride) {
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376 cd_region = PicoRegionOverride;
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377 lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");
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379 if (!emu_findBios(cd_region, &used_rom_name)) {
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381 PicoAHW &= ~PAHW_MCD;
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385 get_ext(used_rom_name, ext);
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389 if (PicoAHW & PAHW_MCD) Stop_CD();
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390 PicoAHW &= ~PAHW_MCD;
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393 rom = pm_open(used_rom_name);
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395 sprintf(menuErrorMsg, "Failed to open ROM/CD image");
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399 if (cd_state < 0) {
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400 sprintf(menuErrorMsg, "Invalid CD image");
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404 menu_romload_prepare(used_rom_name); // also CD load
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409 if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {
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410 sprintf(menuErrorMsg, "PicoCartLoad() failed.");
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411 lprintf("%s\n", menuErrorMsg);
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417 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good
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418 if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||
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419 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {
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420 if (rom_data) free(rom_data);
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421 sprintf(menuErrorMsg, "Not a ROM selected.");
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425 // load config for this ROM (do this before insert to get correct region)
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426 if (!(PicoAHW & PAHW_MCD))
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427 memcpy(id_header, rom_data + 0x100, sizeof(id_header));
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429 ret = emu_ReadConfig(1, 1);
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430 if (!ret) emu_ReadConfig(0, 1);
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433 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);
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434 if (PicoCartInsert(rom_data, rom_size)) {
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435 sprintf(menuErrorMsg, "Failed to load ROM.");
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439 // insert CD if it was detected
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440 if (cd_state != CIT_NOT_CD) {
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441 ret = Insert_CD(rom_fname, cd_state);
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443 sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");
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444 lprintf("%s\n", menuErrorMsg);
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449 menu_romload_end();
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452 PicoPatchPrepare();
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456 // additional movie stuff
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459 if (movie_data[0x14] == '6')
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460 PicoOpt |= POPT_6BTN_PAD; // 6 button pad
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461 else PicoOpt &= ~POPT_6BTN_PAD;
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462 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing
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463 if (movie_data[0xF] >= 'A') {
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464 if (movie_data[0x16] & 0x80) {
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465 PicoRegionOverride = 8;
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467 PicoRegionOverride = 4;
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470 // TODO: bits 6 & 5
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472 movie_data[0x18+30] = 0;
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473 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);
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477 PicoOpt &= ~POPT_DIS_VDP_FIFO;
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479 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");
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481 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");
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484 emu_noticeMsgUpdated();
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486 // load SRAM for this ROM
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487 if (currentConfig.EmuOpt & EOPT_USE_SRAM)
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488 emu_SaveLoadGame(1, 1);
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490 strncpy(loadedRomFName, rom_fname, sizeof(loadedRomFName)-1);
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491 loadedRomFName[sizeof(loadedRomFName)-1] = 0;
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496 menu_romload_end();
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498 if (rom != NULL) pm_close(rom);
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503 void emu_shutdownMCD(void)
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505 if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)
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507 PicoAHW &= ~PAHW_MCD;
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510 static void romfname_ext(char *dst, const char *prefix, const char *ext)
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513 int prefix_len = 0;
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515 // make save filename
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516 p = loadedRomFName+strlen(loadedRomFName)-1;
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517 for (; p >= loadedRomFName && *p != PATH_SEP_C; p--); p++;
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520 int len = emu_getMainDir(dst, 512);
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521 strcpy(dst + len, prefix);
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522 prefix_len = len + strlen(prefix);
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525 else p = loadedRomFName; // backward compatibility
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527 strncpy(dst + prefix_len, p, 511-prefix_len);
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529 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;
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530 if (ext) strcat(dst, ext);
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534 static void make_config_cfg(char *cfg)
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537 len = emu_getMainDir(cfg, 512);
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538 strncpy(cfg + len, PicoConfigFile, 512-6-1-len);
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539 if (config_slot != 0)
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541 char *p = strrchr(cfg, '.');
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542 if (p == NULL) p = cfg + strlen(cfg);
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543 sprintf(p, ".%i.cfg", config_slot);
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548 void emu_packConfig(void)
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550 currentConfig.s_PicoOpt = PicoOpt;
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551 currentConfig.s_PsndRate = PsndRate;
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552 currentConfig.s_PicoRegion = PicoRegionOverride;
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553 currentConfig.s_PicoAutoRgnOrder = PicoAutoRgnOrder;
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554 currentConfig.s_PicoCDBuffers = PicoCDBuffers;
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557 void emu_unpackConfig(void)
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559 PicoOpt = currentConfig.s_PicoOpt;
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560 PsndRate = currentConfig.s_PsndRate;
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561 PicoRegionOverride = currentConfig.s_PicoRegion;
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562 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
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563 PicoCDBuffers = currentConfig.s_PicoCDBuffers;
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566 static void emu_setDefaultConfig(void)
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568 memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));
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569 emu_unpackConfig();
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573 int emu_ReadConfig(int game, int no_defaults)
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581 emu_setDefaultConfig();
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582 make_config_cfg(cfg);
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583 ret = config_readsect(cfg, NULL);
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587 char *sect = emu_makeRomId();
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589 // try new .cfg way
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590 if (config_slot != 0)
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591 sprintf(cfg, "game.%i.cfg", config_slot);
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592 else strcpy(cfg, "game.cfg");
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595 if (config_havesect(cfg, sect))
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597 // read user's config
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598 int vol = currentConfig.volume;
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599 emu_setDefaultConfig();
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600 ret = config_readsect(cfg, sect);
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601 currentConfig.volume = vol; // make vol global (bah)
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605 // read global config, and apply game_def.cfg on top
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606 make_config_cfg(cfg);
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607 config_readsect(cfg, NULL);
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608 ret = config_readsect("game_def.cfg", sect);
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613 lprintf("loaded cfg from sect \"%s\"\n", sect);
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617 // some sanity checks
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618 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
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620 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;
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621 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;
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623 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;
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625 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;
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627 // if volume keys are unbound, bind them to volume control
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628 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {
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629 currentConfig.KeyBinds[23] = 1<<29; // vol up
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630 currentConfig.KeyBinds[22] = 1<<30; // vol down
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633 if (ret == 0) config_slot_current = config_slot;
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638 int emu_WriteConfig(int is_game)
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640 char cfg[512], *game_sect = NULL;
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641 int ret, write_lrom = 0;
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645 make_config_cfg(cfg);
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648 if (config_slot != 0)
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649 sprintf(cfg, "game.%i.cfg", config_slot);
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650 else strcpy(cfg, "game.cfg");
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651 game_sect = emu_makeRomId();
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652 lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);
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655 lprintf("emu_WriteConfig: %s ", cfg);
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656 ret = config_writesect(cfg, game_sect);
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657 if (write_lrom) config_writelrom(cfg);
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661 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");
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663 if (ret == 0) config_slot_current = config_slot;
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669 void emu_textOut8(int x, int y, const char *text)
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671 int i,l,len=strlen(text);
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672 unsigned char *screen = (unsigned char *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
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674 /* always using built-in font */
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675 for (i = 0; i < len; i++)
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679 unsigned char fd = fontdata8x8[((text[i])*8)+l];
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680 if (fd&0x80) screen[l*SCREEN_WIDTH+0]=0xf0;
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681 if (fd&0x40) screen[l*SCREEN_WIDTH+1]=0xf0;
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682 if (fd&0x20) screen[l*SCREEN_WIDTH+2]=0xf0;
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683 if (fd&0x10) screen[l*SCREEN_WIDTH+3]=0xf0;
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684 if (fd&0x08) screen[l*SCREEN_WIDTH+4]=0xf0;
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685 if (fd&0x04) screen[l*SCREEN_WIDTH+5]=0xf0;
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686 if (fd&0x02) screen[l*SCREEN_WIDTH+6]=0xf0;
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687 if (fd&0x01) screen[l*SCREEN_WIDTH+7]=0xf0;
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693 void emu_textOut16(int x, int y, const char *text)
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695 int i,l,len=strlen(text);
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696 unsigned short *screen = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
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698 for (i = 0; i < len; i++)
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702 unsigned char fd = fontdata8x8[((text[i])*8)+l];
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703 if(fd&0x80) screen[l*SCREEN_WIDTH+0]=0xffff;
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704 if(fd&0x40) screen[l*SCREEN_WIDTH+1]=0xffff;
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705 if(fd&0x20) screen[l*SCREEN_WIDTH+2]=0xffff;
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706 if(fd&0x10) screen[l*SCREEN_WIDTH+3]=0xffff;
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707 if(fd&0x08) screen[l*SCREEN_WIDTH+4]=0xffff;
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708 if(fd&0x04) screen[l*SCREEN_WIDTH+5]=0xffff;
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709 if(fd&0x02) screen[l*SCREEN_WIDTH+6]=0xffff;
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710 if(fd&0x01) screen[l*SCREEN_WIDTH+7]=0xffff;
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718 #define MAX_COMBO_KEY 23
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720 #define MAX_COMBO_KEY 31
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723 void emu_findKeyBindCombos(void)
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727 // find out which keys and actions are combos
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728 kb_combo_keys = kb_combo_acts = 0;
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729 for (act = 0; act < 32; act++)
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731 int keyc = 0, keyc2 = 0;
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732 if (act == 16 || act == 17) continue; // player2 flag
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735 for (u = 0; u <= MAX_COMBO_KEY; u++)
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736 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;
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740 for (u = 0; u <= MAX_COMBO_KEY; u++)
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741 if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1
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742 (currentConfig.KeyBinds[u] & (1 << act))) keyc++;
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743 for (u = 0; u <= MAX_COMBO_KEY; u++)
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744 if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2
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745 (currentConfig.KeyBinds[u] & (1 << act))) keyc2++;
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746 if (keyc2 > keyc) keyc = keyc2;
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750 // loop again and mark those keys and actions as combo
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751 for (u = 0; u <= MAX_COMBO_KEY; u++)
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753 if (currentConfig.KeyBinds[u] & (1 << act)) {
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754 kb_combo_keys |= 1 << u;
\r
755 kb_combo_acts |= 1 << act;
\r
761 // printf("combo keys/acts: %08x %08x\n", kb_combo_keys, kb_combo_acts);
\r
765 void emu_updateMovie(void)
\r
767 int offs = Pico.m.frame_count*3 + 0x40;
\r
768 if (offs+3 > movie_size) {
\r
771 strcpy(noticeMsg, "END OF MOVIE.");
\r
772 lprintf("END OF MOVIE.\n");
\r
773 emu_noticeMsgUpdated();
\r
776 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU
\r
777 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A
\r
778 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B
\r
779 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A
\r
780 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
\r
781 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A
\r
782 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B
\r
783 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A
\r
784 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
\r
785 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X
\r
786 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z
\r
787 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
\r
788 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X
\r
789 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z
\r
794 static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)
\r
796 return gzread(file, p, _n);
\r
800 static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)
\r
802 return gzwrite(file, p, _n);
\r
805 static int try_ropen_file(const char *fname)
\r
809 f = fopen(fname, "rb");
\r
817 char *emu_GetSaveFName(int load, int is_sram, int slot)
\r
819 static char saveFname[512];
\r
824 romfname_ext(saveFname, (PicoAHW&1) ? "brm"PATH_SEP : "srm"PATH_SEP, (PicoAHW&1) ? ".brm" : ".srm");
\r
826 if (try_ropen_file(saveFname)) return saveFname;
\r
827 // try in current dir..
\r
828 romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");
\r
829 if (try_ropen_file(saveFname)) return saveFname;
\r
830 return NULL; // give up
\r
836 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
\r
837 strcat(ext, (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds");
\r
839 romfname_ext(saveFname, "mds" PATH_SEP, ext);
\r
841 if (try_ropen_file(saveFname)) return saveFname;
\r
842 romfname_ext(saveFname, NULL, ext);
\r
843 if (try_ropen_file(saveFname)) return saveFname;
\r
844 // no gzipped states, search for non-gzipped
\r
845 if (currentConfig.EmuOpt & EOPT_GZIP_SAVES)
\r
848 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
\r
849 strcat(ext, ".mds");
\r
851 romfname_ext(saveFname, "mds"PATH_SEP, ext);
\r
852 if (try_ropen_file(saveFname)) return saveFname;
\r
853 romfname_ext(saveFname, NULL, ext);
\r
854 if (try_ropen_file(saveFname)) return saveFname;
\r
863 int emu_checkSaveFile(int slot)
\r
865 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;
\r
868 void emu_setSaveStateCbs(int gz)
\r
871 areaRead = gzRead2;
\r
872 areaWrite = gzWrite2;
\r
873 areaEof = (areaeof *) gzeof;
\r
874 areaSeek = (areaseek *) gzseek;
\r
875 areaClose = (areaclose *) gzclose;
\r
877 areaRead = (arearw *) fread;
\r
878 areaWrite = (arearw *) fwrite;
\r
879 areaEof = (areaeof *) feof;
\r
880 areaSeek = (areaseek *) fseek;
\r
881 areaClose = (areaclose *) fclose;
\r
885 int emu_SaveLoadGame(int load, int sram)
\r
890 // make save filename
\r
891 saveFname = emu_GetSaveFName(load, sram, state_slot);
\r
892 if (saveFname == NULL) {
\r
894 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");
\r
895 emu_noticeMsgUpdated();
\r
900 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
\r
906 unsigned char *sram_data;
\r
908 if (PicoAHW & PAHW_MCD)
\r
910 if (PicoOpt&POPT_EN_MCD_RAMCART) {
\r
911 sram_size = 0x12000;
\r
912 sram_data = SRam.data;
\r
914 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);
\r
916 sram_size = 0x2000;
\r
917 sram_data = Pico_mcd->bram;
\r
918 truncate = 0; // the .brm may contain RAM cart data after normal brm
\r
921 sram_size = SRam.end-SRam.start+1;
\r
922 if(Pico.m.sram_reg & 4) sram_size=0x2000;
\r
923 sram_data = SRam.data;
\r
925 if (!sram_data) return 0; // SRam forcefully disabled for this game
\r
929 sramFile = fopen(saveFname, "rb");
\r
930 if(!sramFile) return -1;
\r
931 fread(sram_data, 1, sram_size, sramFile);
\r
933 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))
\r
934 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);
\r
936 // sram save needs some special processing
\r
937 // see if we have anything to save
\r
938 for (; sram_size > 0; sram_size--)
\r
939 if (sram_data[sram_size-1]) break;
\r
942 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");
\r
943 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry
\r
944 if (!sramFile) return -1;
\r
945 ret = fwrite(sram_data, 1, sram_size, sramFile);
\r
946 ret = (ret != sram_size) ? -1 : 0;
\r
957 void *PmovFile = NULL;
\r
958 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)
\r
960 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {
\r
961 emu_setSaveStateCbs(1);
\r
962 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);
\r
967 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {
\r
968 emu_setSaveStateCbs(0);
\r
972 ret = PmovState(load ? 6 : 5, PmovFile);
\r
973 areaClose(PmovFile);
\r
975 if (load) Pico.m.dirtyPal=1;
\r
982 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");
\r
985 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");
\r
989 emu_noticeMsgUpdated();
\r
994 void emu_changeFastForward(int set_on)
\r
996 static void *set_PsndOut = NULL;
\r
997 static int set_Frameskip, set_EmuOpt, is_on = 0;
\r
999 if (set_on && !is_on) {
\r
1000 set_PsndOut = PsndOut;
\r
1001 set_Frameskip = currentConfig.Frameskip;
\r
1002 set_EmuOpt = currentConfig.EmuOpt;
\r
1004 currentConfig.Frameskip = 8;
\r
1005 currentConfig.EmuOpt &= ~4;
\r
1006 currentConfig.EmuOpt |= 0x40000;
\r
1008 strcpy(noticeMsg, "FAST FORWARD ");
\r
1009 emu_noticeMsgUpdated();
\r
1011 else if (!set_on && is_on) {
\r
1012 PsndOut = set_PsndOut;
\r
1013 currentConfig.Frameskip = set_Frameskip;
\r
1014 currentConfig.EmuOpt = set_EmuOpt;
\r
1020 void emu_RunEventsPico(unsigned int events)
\r
1022 if (events & (1 << 3)) {
\r
1024 if (pico_inp_mode > 2) pico_inp_mode = 0;
\r
1025 switch (pico_inp_mode) {
\r
1026 case 2: strcpy(noticeMsg, "Input: Pen on Pad "); break;
\r
1027 case 1: strcpy(noticeMsg, "Input: Pen on Storyware"); break;
\r
1028 case 0: strcpy(noticeMsg, "Input: Joytick ");
\r
1029 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
\r
1032 emu_noticeMsgUpdated();
\r
1034 if (events & (1 << 4)) {
\r
1035 PicoPicohw.page--;
\r
1036 if (PicoPicohw.page < 0) PicoPicohw.page = 0;
\r
1037 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);
\r
1038 emu_noticeMsgUpdated();
\r
1040 if (events & (1 << 5)) {
\r
1041 PicoPicohw.page++;
\r
1042 if (PicoPicohw.page > 6) PicoPicohw.page = 6;
\r
1043 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);
\r
1044 emu_noticeMsgUpdated();
\r
1048 void emu_DoTurbo(int *pad, int acts)
\r
1050 static int turbo_pad = 0;
\r
1051 static unsigned char turbo_cnt[3] = { 0, 0, 0 };
\r
1052 int inc = currentConfig.turbo_rate * 2;
\r
1054 if (acts & 0x1000) {
\r
1055 turbo_cnt[0] += inc;
\r
1056 if (turbo_cnt[0] >= 60)
\r
1057 turbo_pad ^= 0x10, turbo_cnt[0] = 0;
\r
1059 if (acts & 0x2000) {
\r
1060 turbo_cnt[1] += inc;
\r
1061 if (turbo_cnt[1] >= 60)
\r
1062 turbo_pad ^= 0x20, turbo_cnt[1] = 0;
\r
1064 if (acts & 0x4000) {
\r
1065 turbo_cnt[2] += inc;
\r
1066 if (turbo_cnt[2] >= 60)
\r
1067 turbo_pad ^= 0x40, turbo_cnt[2] = 0;
\r
1069 *pad |= turbo_pad & (acts >> 8);
\r