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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19 #include <Pico/PicoInt.h>
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20 #include <Pico/Patch.h>
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21 #include <Pico/cd/cue.h>
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22 #include <zlib/zlib.h>
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24 #if defined(__GP2X__)
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25 #include "../gp2x/gp2x.h"
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26 #define SCREEN_WIDTH 320
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27 #define SCREEN_BUFFER gp2x_screen
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28 #elif defined(__GIZ__)
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29 #include "../gizmondo/giz.h"
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30 #define SCREEN_WIDTH 321
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31 #define SCREEN_BUFFER giz_screen
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33 #include "../psp/psp.h"
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34 #define SCREEN_WIDTH 512
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35 #define SCREEN_BUFFER psp_screen
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38 char *PicoConfigFile = "config.cfg";
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39 currentConfig_t currentConfig, defaultConfig;
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43 int config_slot = 0, config_slot_current = 0;
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44 char lastRomFile[512];
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45 int kb_combo_keys = 0, kb_combo_acts = 0; // keys and actions which need button combos
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46 int pico_inp_mode = 0;
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48 unsigned char *movie_data = NULL;
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49 static int movie_size = 0;
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51 // provided by platform code:
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52 extern char romFileName[];
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53 extern void emu_noticeMsgUpdated(void);
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54 extern void emu_getMainDir(char *dst, int len);
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55 extern void emu_setDefaultConfig(void);
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56 extern void menu_romload_prepare(const char *rom_name);
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57 extern void menu_romload_end(void);
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61 static void strlwr_(char* string)
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63 while ( (*string++ = (char)tolower(*string)) );
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66 static int try_rfn_cut(void)
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71 p = romFileName + strlen(romFileName) - 1;
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72 for (; p > romFileName; p--)
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73 if (*p == '.') break;
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76 if((tmp = fopen(romFileName, "rb"))) {
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83 static void get_ext(char *file, char *ext)
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87 p = file + strlen(file) - 4;
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88 if (p < file) p = file;
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94 char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };
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95 char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };
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96 char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };
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98 int emu_findBios(int region, char **bios_file)
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100 static char bios_path[1024];
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105 if (region == 4) { // US
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106 files = biosfiles_us;
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107 count = sizeof(biosfiles_us) / sizeof(char *);
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108 } else if (region == 8) { // EU
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109 files = biosfiles_eu;
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110 count = sizeof(biosfiles_eu) / sizeof(char *);
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111 } else if (region == 1 || region == 2) {
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112 files = biosfiles_jp;
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113 count = sizeof(biosfiles_jp) / sizeof(char *);
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118 for (i = 0; i < count; i++)
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120 emu_getMainDir(bios_path, sizeof(bios_path));
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121 strcat(bios_path, files[i]);
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122 strcat(bios_path, ".bin");
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123 f = fopen(bios_path, "rb");
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126 bios_path[strlen(bios_path) - 4] = 0;
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127 strcat(bios_path, ".zip");
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128 f = fopen(bios_path, "rb");
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133 lprintf("using bios: %s\n", bios_path);
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135 if (bios_file) *bios_file = bios_path;
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138 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",
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139 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
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140 lprintf("%s\n", menuErrorMsg);
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145 /* check if the name begins with BIOS name */
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147 static int emu_isBios(const char *name)
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150 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)
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151 if (strstr(name, biosfiles_us[i]) != NULL) return 1;
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152 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)
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153 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;
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154 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)
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155 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;
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160 static unsigned char id_header[0x100];
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162 /* checks if romFileName points to valid MegaCD image
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163 * if so, checks for suitable BIOS */
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164 int emu_cdCheck(int *pregion)
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166 unsigned char buf[32];
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168 int region = 4; // 1: Japan, 4: US, 8: Europe
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169 char ext[5], *fname = romFileName;
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170 cue_track_type type = CT_UNKNOWN;
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171 cue_data_t *cue_data = NULL;
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173 get_ext(romFileName, ext);
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174 if (strcasecmp(ext, ".cue") == 0) {
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175 cue_data = cue_parse(romFileName);
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176 if (cue_data != NULL) {
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177 fname = cue_data->tracks[1].fname;
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178 type = cue_data->tracks[1].type;
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184 cd_f = pm_open(fname);
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185 if (cue_data != NULL)
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186 cue_destroy(cue_data);
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188 if (cd_f == NULL) return 0; // let the upper level handle this
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190 if (pm_read(buf, 32, cd_f) != 32) {
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195 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {
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196 if (type && type != CT_ISO)
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197 elprintf(EL_STATUS, ".cue has wrong type: %i", type);
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198 type = CT_ISO; // Sega CD (ISO)
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200 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {
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201 if (type && type != CT_BIN)
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202 elprintf(EL_STATUS, ".cue has wrong type: %i", type);
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203 type = CT_BIN; // Sega CD (BIN)
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206 if (type == CT_UNKNOWN) {
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211 pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);
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212 pm_read(id_header, sizeof(id_header), cd_f);
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214 /* it seems we have a CD image here. Try to detect region now.. */
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215 pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);
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216 pm_read(buf, 1, cd_f);
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219 if (buf[0] == 0x64) region = 8; // EU
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220 if (buf[0] == 0xa1) region = 1; // JAP
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222 lprintf("detected %s Sega/Mega CD image with %s region\n",
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223 type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
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225 if (pregion != NULL) *pregion = region;
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230 static int extract_text(char *dest, const unsigned char *src, int len, int swab)
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235 if (swab) swab = 1;
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237 for (i = len - 1; i >= 0; i--)
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239 if (src[i^swab] != ' ') break;
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243 for (i = 0; i < len; i++)
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245 unsigned char s = src[i^swab];
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246 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&
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247 s != '[' && s != ']' && s != '\\')
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253 sprintf(p, "\\%02x", s);
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261 char *emu_makeRomId(void)
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263 static char id_string[3+0x11+0x11+0x30+16];
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266 if (PicoAHW & PAHW_MCD) {
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267 strcpy(id_string, "CD|");
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270 else strcpy(id_string, "MD|");
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273 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial
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274 id_string[pos] = '|'; pos++;
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275 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region
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276 id_string[pos] = '|'; pos++;
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277 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name
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278 id_string[pos] = 0;
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283 int emu_ReloadRom(void)
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285 unsigned int rom_size = 0;
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286 char *used_rom_name = romFileName;
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287 unsigned char *rom_data = NULL;
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289 pm_file *rom = NULL;
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290 int ret, cd_state, cd_region, cfg_loaded = 0;
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292 lprintf("emu_ReloadRom(%s)\n", romFileName);
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294 get_ext(romFileName, ext);
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296 // detect wrong extensions
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297 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz
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298 sprintf(menuErrorMsg, "Not a ROM/CD selected.");
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304 // check for movie file
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309 if (!strcmp(ext, ".gmv"))
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311 // check for both gmv and rom
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313 FILE *movie_file = fopen(romFileName, "rb");
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315 sprintf(menuErrorMsg, "Failed to open movie.");
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318 fseek(movie_file, 0, SEEK_END);
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319 movie_size = ftell(movie_file);
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320 fseek(movie_file, 0, SEEK_SET);
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321 if(movie_size < 64+3) {
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322 sprintf(menuErrorMsg, "Invalid GMV file.");
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323 fclose(movie_file);
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326 movie_data = malloc(movie_size);
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327 if(movie_data == NULL) {
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328 sprintf(menuErrorMsg, "low memory.");
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329 fclose(movie_file);
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332 fread(movie_data, 1, movie_size, movie_file);
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333 fclose(movie_file);
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334 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
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335 sprintf(menuErrorMsg, "Invalid GMV file.");
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338 dummy = try_rfn_cut() || try_rfn_cut();
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340 sprintf(menuErrorMsg, "Could't find a ROM for movie.");
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343 get_ext(romFileName, ext);
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345 else if (!strcmp(ext, ".pat")) {
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347 PicoPatchLoad(romFileName);
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348 dummy = try_rfn_cut() || try_rfn_cut();
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350 sprintf(menuErrorMsg, "Could't find a ROM to patch.");
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353 get_ext(romFileName, ext);
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356 if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)
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359 // check for MegaCD image
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360 cd_state = emu_cdCheck(&cd_region);
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361 if (cd_state >= 0 && cd_state != CIT_NOT_CD)
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363 PicoAHW |= PAHW_MCD;
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364 // valid CD image, check for BIOS..
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366 // we need to have config loaded at this point
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367 ret = emu_ReadConfig(1, 1);
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368 if (!ret) emu_ReadConfig(0, 1);
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371 if (PicoRegionOverride) {
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372 cd_region = PicoRegionOverride;
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373 lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");
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375 if (!emu_findBios(cd_region, &used_rom_name)) {
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377 PicoAHW &= ~PAHW_MCD;
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381 get_ext(used_rom_name, ext);
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385 if (PicoAHW & PAHW_MCD) Stop_CD();
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386 PicoAHW &= ~PAHW_MCD;
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389 rom = pm_open(used_rom_name);
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391 sprintf(menuErrorMsg, "Failed to open ROM/CD image");
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395 if (cd_state < 0) {
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396 sprintf(menuErrorMsg, "Invalid CD image");
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400 menu_romload_prepare(used_rom_name); // also CD load
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405 if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {
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406 sprintf(menuErrorMsg, "PicoCartLoad() failed.");
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407 lprintf("%s\n", menuErrorMsg);
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413 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good
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414 if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||
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415 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {
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416 if (rom_data) free(rom_data);
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417 sprintf(menuErrorMsg, "Not a ROM selected.");
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421 // load config for this ROM (do this before insert to get correct region)
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422 if (!(PicoAHW & PAHW_MCD))
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423 memcpy(id_header, rom_data + 0x100, sizeof(id_header));
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425 ret = emu_ReadConfig(1, 1);
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426 if (!ret) emu_ReadConfig(0, 1);
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429 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);
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430 if (PicoCartInsert(rom_data, rom_size)) {
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431 sprintf(menuErrorMsg, "Failed to load ROM.");
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435 // insert CD if it was detected
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436 if (cd_state != CIT_NOT_CD) {
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437 ret = Insert_CD(romFileName, cd_state);
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439 sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");
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440 lprintf("%s\n", menuErrorMsg);
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445 menu_romload_end();
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448 PicoPatchPrepare();
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452 // additional movie stuff
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455 if (movie_data[0x14] == '6')
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456 PicoOpt |= POPT_6BTN_PAD; // 6 button pad
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457 else PicoOpt &= ~POPT_6BTN_PAD;
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458 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing
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459 if (movie_data[0xF] >= 'A') {
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460 if (movie_data[0x16] & 0x80) {
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461 PicoRegionOverride = 8;
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463 PicoRegionOverride = 4;
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466 // TODO: bits 6 & 5
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468 movie_data[0x18+30] = 0;
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469 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);
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473 PicoOpt &= ~POPT_DIS_VDP_FIFO;
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475 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");
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477 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");
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480 emu_noticeMsgUpdated();
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482 // load SRAM for this ROM
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483 if (currentConfig.EmuOpt & 1)
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484 emu_SaveLoadGame(1, 1);
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486 strncpy(lastRomFile, romFileName, sizeof(lastRomFile)-1);
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487 lastRomFile[sizeof(lastRomFile)-1] = 0;
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492 menu_romload_end();
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494 if (rom != NULL) pm_close(rom);
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499 static void romfname_ext(char *dst, const char *prefix, const char *ext)
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502 int prefix_len = 0;
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504 // make save filename
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505 for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;
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508 strcpy(dst, prefix);
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509 prefix_len = strlen(prefix);
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511 strncpy(dst + prefix_len, p, 511-prefix_len);
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513 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;
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514 if (ext) strcat(dst, ext);
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518 static void make_config_cfg(char *cfg)
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520 strncpy(cfg, PicoConfigFile, 511);
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521 if (config_slot != 0)
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523 char *p = strrchr(cfg, '.');
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524 if (p == NULL) p = cfg + strlen(cfg);
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525 sprintf(p, ".%i.cfg", config_slot);
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530 int emu_ReadConfig(int game, int no_defaults)
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539 emu_setDefaultConfig();
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540 make_config_cfg(cfg);
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541 ret = config_readsect(cfg, NULL);
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545 char *sect = emu_makeRomId();
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547 // try new .cfg way
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548 if (config_slot != 0)
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549 sprintf(cfg, "game.%i.cfg", config_slot);
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550 else strcpy(cfg, "game.cfg");
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553 if (config_havesect(cfg, sect))
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555 // read user's config
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556 int vol = currentConfig.volume;
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557 emu_setDefaultConfig();
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558 ret = config_readsect(cfg, sect);
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559 currentConfig.volume = vol; // make vol global (bah)
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563 // read global config, and apply game_def.cfg on top
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564 make_config_cfg(cfg);
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565 config_readsect(cfg, NULL);
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566 ret = config_readsect("game_def.cfg", sect);
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571 // fall back to old game specific cfg
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573 if (config_slot != 0)
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574 sprintf(extbuf, ".%i.pbcfg", config_slot);
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575 else strcpy(extbuf, ".pbcfg");
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576 romfname_ext(cfg, "cfg/", extbuf);
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577 f = fopen(cfg, "rb");
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579 romfname_ext(cfg, NULL, ".pbcfg");
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580 f = fopen(cfg, "rb");
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584 fseek(f, 512, SEEK_SET); // skip unused lrom buffer
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585 bread = fread(¤tConfig, 1, sizeof(currentConfig), f);
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586 lprintf("emu_ReadConfig: %s %s\n", cfg, bread > 0 ? "(ok)" : "(failed)");
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592 PicoOpt = currentConfig.s_PicoOpt;
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593 PsndRate = currentConfig.s_PsndRate;
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594 PicoRegionOverride = currentConfig.s_PicoRegion;
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595 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
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596 // PicoCDBuffers = currentConfig.s_PicoCDBuffers; // ignore in this case
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601 lprintf("loaded cfg from sect \"%s\"\n", sect);
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605 // some sanity checks
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606 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
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608 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;
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609 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;
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611 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;
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613 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;
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615 // if volume keys are unbound, bind them to volume control
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616 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {
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617 currentConfig.KeyBinds[23] = 1<<29; // vol up
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618 currentConfig.KeyBinds[22] = 1<<30; // vol down
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621 if (ret == 0) config_slot_current = config_slot;
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626 int emu_WriteConfig(int is_game)
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628 char cfg[512], *game_sect = NULL;
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629 int ret, write_lrom = 0;
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633 strncpy(cfg, PicoConfigFile, 511);
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634 if (config_slot != 0)
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636 char *p = strrchr(cfg, '.');
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637 if (p == NULL) p = cfg + strlen(cfg);
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638 sprintf(p, ".%i.cfg", config_slot);
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643 if (config_slot != 0)
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644 sprintf(cfg, "game.%i.cfg", config_slot);
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645 else strcpy(cfg, "game.cfg");
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646 game_sect = emu_makeRomId();
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647 lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);
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650 lprintf("emu_WriteConfig: %s ", cfg);
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651 ret = config_writesect(cfg, game_sect);
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652 if (write_lrom) config_writelrom(cfg);
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656 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");
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658 if (ret == 0) config_slot_current = config_slot;
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663 void emu_textOut8(int x, int y, const char *text)
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665 int i,l,len=strlen(text);
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666 unsigned char *screen = (unsigned char *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
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668 /* always using built-in font */
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669 for (i = 0; i < len; i++)
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673 unsigned char fd = fontdata8x8[((text[i])*8)+l];
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674 if (fd&0x80) screen[l*SCREEN_WIDTH+0]=0xf0;
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675 if (fd&0x40) screen[l*SCREEN_WIDTH+1]=0xf0;
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676 if (fd&0x20) screen[l*SCREEN_WIDTH+2]=0xf0;
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677 if (fd&0x10) screen[l*SCREEN_WIDTH+3]=0xf0;
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678 if (fd&0x08) screen[l*SCREEN_WIDTH+4]=0xf0;
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679 if (fd&0x04) screen[l*SCREEN_WIDTH+5]=0xf0;
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680 if (fd&0x02) screen[l*SCREEN_WIDTH+6]=0xf0;
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681 if (fd&0x01) screen[l*SCREEN_WIDTH+7]=0xf0;
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687 void emu_textOut16(int x, int y, const char *text)
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689 int i,l,len=strlen(text);
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690 unsigned short *screen = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
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692 for (i = 0; i < len; i++)
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696 unsigned char fd = fontdata8x8[((text[i])*8)+l];
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697 if(fd&0x80) screen[l*SCREEN_WIDTH+0]=0xffff;
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698 if(fd&0x40) screen[l*SCREEN_WIDTH+1]=0xffff;
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699 if(fd&0x20) screen[l*SCREEN_WIDTH+2]=0xffff;
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700 if(fd&0x10) screen[l*SCREEN_WIDTH+3]=0xffff;
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701 if(fd&0x08) screen[l*SCREEN_WIDTH+4]=0xffff;
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702 if(fd&0x04) screen[l*SCREEN_WIDTH+5]=0xffff;
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703 if(fd&0x02) screen[l*SCREEN_WIDTH+6]=0xffff;
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704 if(fd&0x01) screen[l*SCREEN_WIDTH+7]=0xffff;
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711 #define MAX_COMBO_KEY 23
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713 #define MAX_COMBO_KEY 31
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716 void emu_findKeyBindCombos(void)
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720 // find out which keys and actions are combos
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721 kb_combo_keys = kb_combo_acts = 0;
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722 for (act = 0; act < 32; act++)
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724 int keyc = 0, keyc2 = 0;
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725 if (act == 16 || act == 17) continue; // player2 flag
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728 for (u = 0; u <= MAX_COMBO_KEY; u++)
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729 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;
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733 for (u = 0; u <= MAX_COMBO_KEY; u++)
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734 if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1
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735 (currentConfig.KeyBinds[u] & (1 << act))) keyc++;
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736 for (u = 0; u <= MAX_COMBO_KEY; u++)
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737 if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2
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738 (currentConfig.KeyBinds[u] & (1 << act))) keyc2++;
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739 if (keyc2 > keyc) keyc = keyc2;
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743 // loop again and mark those keys and actions as combo
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744 for (u = 0; u <= MAX_COMBO_KEY; u++)
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746 if (currentConfig.KeyBinds[u] & (1 << act)) {
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747 kb_combo_keys |= 1 << u;
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748 kb_combo_acts |= 1 << act;
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754 // printf("combo keys/acts: %08x %08x\n", kb_combo_keys, kb_combo_acts);
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758 void emu_updateMovie(void)
\r
760 int offs = Pico.m.frame_count*3 + 0x40;
\r
761 if (offs+3 > movie_size) {
\r
764 strcpy(noticeMsg, "END OF MOVIE.");
\r
765 lprintf("END OF MOVIE.\n");
\r
766 emu_noticeMsgUpdated();
\r
769 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU
\r
770 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A
\r
771 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B
\r
772 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A
\r
773 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
\r
774 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A
\r
775 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B
\r
776 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A
\r
777 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
\r
778 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X
\r
779 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z
\r
780 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
\r
781 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X
\r
782 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z
\r
787 static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)
\r
789 return gzread(file, p, _n);
\r
793 static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)
\r
795 return gzwrite(file, p, _n);
\r
798 static int try_ropen_file(const char *fname)
\r
802 f = fopen(fname, "rb");
\r
810 char *emu_GetSaveFName(int load, int is_sram, int slot)
\r
812 static char saveFname[512];
\r
817 romfname_ext(saveFname, (PicoAHW&1) ? "brm/" : "srm/", (PicoAHW&1) ? ".brm" : ".srm");
\r
819 if (try_ropen_file(saveFname)) return saveFname;
\r
820 // try in current dir..
\r
821 romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");
\r
822 if (try_ropen_file(saveFname)) return saveFname;
\r
823 return NULL; // give up
\r
829 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
\r
830 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");
\r
832 romfname_ext(saveFname, "mds/", ext);
\r
834 if (try_ropen_file(saveFname)) return saveFname;
\r
835 romfname_ext(saveFname, NULL, ext);
\r
836 if (try_ropen_file(saveFname)) return saveFname;
\r
837 if (currentConfig.EmuOpt & 8) {
\r
839 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
\r
840 strcat(ext, ".mds");
\r
842 romfname_ext(saveFname, "mds/", ext);
\r
843 if (try_ropen_file(saveFname)) return saveFname;
\r
844 romfname_ext(saveFname, NULL, ext);
\r
845 if (try_ropen_file(saveFname)) return saveFname;
\r
854 int emu_checkSaveFile(int slot)
\r
856 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;
\r
859 void emu_setSaveStateCbs(int gz)
\r
862 areaRead = gzRead2;
\r
863 areaWrite = gzWrite2;
\r
864 areaEof = (areaeof *) gzeof;
\r
865 areaSeek = (areaseek *) gzseek;
\r
866 areaClose = (areaclose *) gzclose;
\r
868 areaRead = (arearw *) fread;
\r
869 areaWrite = (arearw *) fwrite;
\r
870 areaEof = (areaeof *) feof;
\r
871 areaSeek = (areaseek *) fseek;
\r
872 areaClose = (areaclose *) fclose;
\r
876 int emu_SaveLoadGame(int load, int sram)
\r
881 // make save filename
\r
882 saveFname = emu_GetSaveFName(load, sram, state_slot);
\r
883 if (saveFname == NULL) {
\r
885 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");
\r
886 emu_noticeMsgUpdated();
\r
891 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
\r
897 unsigned char *sram_data;
\r
899 if (PicoAHW & PAHW_MCD)
\r
901 if (PicoOpt&POPT_EN_MCD_RAMCART) {
\r
902 sram_size = 0x12000;
\r
903 sram_data = SRam.data;
\r
905 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);
\r
907 sram_size = 0x2000;
\r
908 sram_data = Pico_mcd->bram;
\r
909 truncate = 0; // the .brm may contain RAM cart data after normal brm
\r
912 sram_size = SRam.end-SRam.start+1;
\r
913 if(Pico.m.sram_reg & 4) sram_size=0x2000;
\r
914 sram_data = SRam.data;
\r
916 if (!sram_data) return 0; // SRam forcefully disabled for this game
\r
920 sramFile = fopen(saveFname, "rb");
\r
921 if(!sramFile) return -1;
\r
922 fread(sram_data, 1, sram_size, sramFile);
\r
924 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))
\r
925 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);
\r
927 // sram save needs some special processing
\r
928 // see if we have anything to save
\r
929 for (; sram_size > 0; sram_size--)
\r
930 if (sram_data[sram_size-1]) break;
\r
933 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");
\r
934 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry
\r
935 if (!sramFile) return -1;
\r
936 ret = fwrite(sram_data, 1, sram_size, sramFile);
\r
937 ret = (ret != sram_size) ? -1 : 0;
\r
948 void *PmovFile = NULL;
\r
949 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)
\r
951 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {
\r
952 emu_setSaveStateCbs(1);
\r
953 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);
\r
958 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {
\r
959 emu_setSaveStateCbs(0);
\r
963 ret = PmovState(load ? 6 : 5, PmovFile);
\r
964 areaClose(PmovFile);
\r
966 if (load) Pico.m.dirtyPal=1;
\r
973 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");
\r
976 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");
\r
980 emu_noticeMsgUpdated();
\r
985 void emu_changeFastForward(int set_on)
\r
987 static void *set_PsndOut = NULL;
\r
988 static int set_Frameskip, set_EmuOpt, is_on = 0;
\r
990 if (set_on && !is_on) {
\r
991 set_PsndOut = PsndOut;
\r
992 set_Frameskip = currentConfig.Frameskip;
\r
993 set_EmuOpt = currentConfig.EmuOpt;
\r
995 currentConfig.Frameskip = 8;
\r
996 currentConfig.EmuOpt &= ~4;
\r
997 currentConfig.EmuOpt |= 0x40000;
\r
999 strcpy(noticeMsg, "FAST FORWARD ");
\r
1000 emu_noticeMsgUpdated();
\r
1002 else if (!set_on && is_on) {
\r
1003 PsndOut = set_PsndOut;
\r
1004 currentConfig.Frameskip = set_Frameskip;
\r
1005 currentConfig.EmuOpt = set_EmuOpt;
\r
1011 void emu_RunEventsPico(unsigned int events)
\r
1013 if (events & (1 << 3)) {
\r
1015 if (pico_inp_mode > 2) pico_inp_mode = 0;
\r
1016 switch (pico_inp_mode) {
\r
1017 case 2: strcpy(noticeMsg, "Input: Pen on Pad "); break;
\r
1018 case 1: strcpy(noticeMsg, "Input: Pen on Storyware"); break;
\r
1019 case 0: strcpy(noticeMsg, "Input: Joytick ");
\r
1020 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
\r
1023 emu_noticeMsgUpdated();
\r
1025 if (events & (1 << 4)) {
\r
1026 PicoPicohw.page--;
\r
1027 if (PicoPicohw.page < 0) PicoPicohw.page = 0;
\r
1028 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);
\r
1029 emu_noticeMsgUpdated();
\r
1031 if (events & (1 << 5)) {
\r
1032 PicoPicohw.page++;
\r
1033 if (PicoPicohw.page > 6) PicoPicohw.page = 6;
\r
1034 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);
\r
1035 emu_noticeMsgUpdated();
\r
1039 void emu_DoTurbo(int *pad, int acts)
\r
1041 static int turbo_pad = 0;
\r
1042 static unsigned char turbo_cnt[3] = { 0, 0, 0 };
\r
1043 int inc = currentConfig.turbo_rate * 2;
\r
1045 if (acts & 0x1000) {
\r
1046 turbo_cnt[0] += inc;
\r
1047 if (turbo_cnt[0] >= 60)
\r
1048 turbo_pad ^= 0x10, turbo_cnt[0] = 0;
\r
1050 if (acts & 0x2000) {
\r
1051 turbo_cnt[1] += inc;
\r
1052 if (turbo_cnt[1] >= 60)
\r
1053 turbo_pad ^= 0x20, turbo_cnt[1] = 0;
\r
1055 if (acts & 0x4000) {
\r
1056 turbo_cnt[2] += inc;
\r
1057 if (turbo_cnt[2] >= 60)
\r
1058 turbo_pad ^= 0x40, turbo_cnt[2] = 0;
\r
1060 *pad |= turbo_pad & (acts >> 8);
\r