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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182 cd_f = pm_open(fname);
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183 if (cue_data != NULL)
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184 cue_destroy(cue_data);
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186 if (!cd_f) return 0; // let the upper level handle this
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188 if (pm_read(buf, 32, cd_f) != 32) {
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193 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {
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194 if (type && type != CT_ISO)
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195 elprintf(EL_STATUS, ".cue has wrong type: %i", type);
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196 type = CT_ISO; // Sega CD (ISO)
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198 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {
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199 if (type && type != CT_BIN)
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200 elprintf(EL_STATUS, ".cue has wrong type: %i", type);
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201 type = CT_BIN; // Sega CD (BIN)
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204 if (type == CT_UNKNOWN) {
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209 pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);
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210 pm_read(id_header, sizeof(id_header), cd_f);
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212 /* it seems we have a CD image here. Try to detect region now.. */
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213 pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);
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214 pm_read(buf, 1, cd_f);
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217 if (buf[0] == 0x64) region = 8; // EU
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218 if (buf[0] == 0xa1) region = 1; // JAP
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220 lprintf("detected %s Sega/Mega CD image with %s region\n",
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221 type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
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223 if (pregion != NULL) *pregion = region;
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228 static int extract_text(char *dest, const unsigned char *src, int len, int swab)
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233 if (swab) swab = 1;
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235 for (i = len - 1; i >= 0; i--)
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237 if (src[i^swab] != ' ') break;
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241 for (i = 0; i < len; i++)
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243 unsigned char s = src[i^swab];
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244 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&
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245 s != '[' && s != ']' && s != '\\')
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251 sprintf(p, "\\%02x", s);
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259 char *emu_makeRomId(void)
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261 static char id_string[3+0x11+0x11+0x30+16];
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264 if (PicoAHW & PAHW_MCD) {
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265 strcpy(id_string, "CD|");
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268 else strcpy(id_string, "MD|");
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271 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial
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272 id_string[pos] = '|'; pos++;
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273 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region
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274 id_string[pos] = '|'; pos++;
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275 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name
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276 id_string[pos] = 0;
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281 int emu_ReloadRom(void)
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283 unsigned int rom_size = 0;
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284 char *used_rom_name = romFileName;
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285 unsigned char *rom_data = NULL;
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288 int ret, cd_state, cd_region, cfg_loaded = 0;
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290 lprintf("emu_ReloadRom(%s)\n", romFileName);
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292 get_ext(romFileName, ext);
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294 // detect wrong extensions
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295 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz
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296 sprintf(menuErrorMsg, "Not a ROM selected.");
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302 // check for movie file
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307 if (!strcmp(ext, ".gmv"))
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309 // check for both gmv and rom
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311 FILE *movie_file = fopen(romFileName, "rb");
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313 sprintf(menuErrorMsg, "Failed to open movie.");
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316 fseek(movie_file, 0, SEEK_END);
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317 movie_size = ftell(movie_file);
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318 fseek(movie_file, 0, SEEK_SET);
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319 if(movie_size < 64+3) {
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320 sprintf(menuErrorMsg, "Invalid GMV file.");
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321 fclose(movie_file);
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324 movie_data = malloc(movie_size);
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325 if(movie_data == NULL) {
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326 sprintf(menuErrorMsg, "low memory.");
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327 fclose(movie_file);
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330 fread(movie_data, 1, movie_size, movie_file);
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331 fclose(movie_file);
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332 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
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333 sprintf(menuErrorMsg, "Invalid GMV file.");
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336 dummy = try_rfn_cut() || try_rfn_cut();
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338 sprintf(menuErrorMsg, "Could't find a ROM for movie.");
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341 get_ext(romFileName, ext);
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343 else if (!strcmp(ext, ".pat")) {
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345 PicoPatchLoad(romFileName);
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346 dummy = try_rfn_cut() || try_rfn_cut();
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348 sprintf(menuErrorMsg, "Could't find a ROM to patch.");
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351 get_ext(romFileName, ext);
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354 if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)
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357 // check for MegaCD image
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358 cd_state = emu_cdCheck(&cd_region);
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359 if (cd_state != CIT_NOT_CD)
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361 PicoAHW |= PAHW_MCD;
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362 // valid CD image, check for BIOS..
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364 // we need to have config loaded at this point
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365 ret = emu_ReadConfig(1, 1);
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366 if (!ret) emu_ReadConfig(0, 1);
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369 if (PicoRegionOverride) {
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370 cd_region = PicoRegionOverride;
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371 lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");
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373 if (!emu_findBios(cd_region, &used_rom_name)) {
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375 PicoAHW &= ~PAHW_MCD;
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379 get_ext(used_rom_name, ext);
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383 if (PicoAHW & PAHW_MCD) Stop_CD();
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384 PicoAHW &= ~PAHW_MCD;
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387 rom = pm_open(used_rom_name);
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389 sprintf(menuErrorMsg, "Failed to open rom.");
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393 menu_romload_prepare(used_rom_name); // also CD load
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398 if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {
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399 sprintf(menuErrorMsg, "PicoCartLoad() failed.");
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400 lprintf("%s\n", menuErrorMsg);
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402 menu_romload_end();
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407 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good
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408 if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||
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409 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {
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410 if (rom_data) free(rom_data);
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411 sprintf(menuErrorMsg, "Not a ROM selected.");
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412 menu_romload_end();
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416 // load config for this ROM (do this before insert to get correct region)
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417 if (!(PicoAHW & PAHW_MCD))
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418 memcpy(id_header, rom_data + 0x100, sizeof(id_header));
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420 ret = emu_ReadConfig(1, 1);
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421 if (!ret) emu_ReadConfig(0, 1);
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424 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);
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425 if (PicoCartInsert(rom_data, rom_size)) {
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426 sprintf(menuErrorMsg, "Failed to load ROM.");
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427 menu_romload_end();
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431 // insert CD if it was detected
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432 if (cd_state != CIT_NOT_CD) {
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433 ret = Insert_CD(romFileName, cd_state);
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435 sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");
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436 lprintf("%s\n", menuErrorMsg);
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437 menu_romload_end();
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442 menu_romload_end();
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445 PicoPatchPrepare();
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449 // additional movie stuff
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451 if(movie_data[0x14] == '6')
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452 PicoOpt |= POPT_6BTN_PAD; // 6 button pad
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453 else PicoOpt &= ~POPT_6BTN_PAD;
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454 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing
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455 if(movie_data[0xF] >= 'A') {
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456 if(movie_data[0x16] & 0x80) {
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457 PicoRegionOverride = 8;
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459 PicoRegionOverride = 4;
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462 // TODO: bits 6 & 5
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464 movie_data[0x18+30] = 0;
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465 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);
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469 PicoOpt &= ~POPT_DIS_VDP_FIFO;
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471 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");
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473 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");
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476 emu_noticeMsgUpdated();
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478 // load SRAM for this ROM
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479 if (currentConfig.EmuOpt & 1)
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480 emu_SaveLoadGame(1, 1);
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482 strncpy(lastRomFile, romFileName, sizeof(lastRomFile)-1);
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483 lastRomFile[sizeof(lastRomFile)-1] = 0;
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489 static void romfname_ext(char *dst, const char *prefix, const char *ext)
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492 int prefix_len = 0;
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494 // make save filename
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495 for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;
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498 strcpy(dst, prefix);
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499 prefix_len = strlen(prefix);
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501 strncpy(dst + prefix_len, p, 511-prefix_len);
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503 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;
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504 if (ext) strcat(dst, ext);
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508 static void make_config_cfg(char *cfg)
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510 strncpy(cfg, PicoConfigFile, 511);
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511 if (config_slot != 0)
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513 char *p = strrchr(cfg, '.');
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514 if (p == NULL) p = cfg + strlen(cfg);
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515 sprintf(p, ".%i.cfg", config_slot);
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520 int emu_ReadConfig(int game, int no_defaults)
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529 emu_setDefaultConfig();
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530 make_config_cfg(cfg);
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531 ret = config_readsect(cfg, NULL);
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535 char *sect = emu_makeRomId();
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537 // try new .cfg way
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538 if (config_slot != 0)
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539 sprintf(cfg, "game.%i.cfg", config_slot);
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540 else strcpy(cfg, "game.cfg");
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543 if (config_havesect(cfg, sect))
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545 // read user's config
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546 int vol = currentConfig.volume;
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547 emu_setDefaultConfig();
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548 ret = config_readsect(cfg, sect);
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549 currentConfig.volume = vol; // make vol global (bah)
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553 // read global config, and apply game_def.cfg on top
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554 make_config_cfg(cfg);
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555 config_readsect(cfg, NULL);
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556 ret = config_readsect("game_def.cfg", sect);
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561 // fall back to old game specific cfg
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563 if (config_slot != 0)
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564 sprintf(extbuf, ".%i.pbcfg", config_slot);
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565 else strcpy(extbuf, ".pbcfg");
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566 romfname_ext(cfg, "cfg/", extbuf);
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567 f = fopen(cfg, "rb");
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569 romfname_ext(cfg, NULL, ".pbcfg");
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570 f = fopen(cfg, "rb");
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574 fseek(f, 512, SEEK_SET); // skip unused lrom buffer
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575 bread = fread(¤tConfig, 1, sizeof(currentConfig), f);
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576 lprintf("emu_ReadConfig: %s %s\n", cfg, bread > 0 ? "(ok)" : "(failed)");
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582 PicoOpt = currentConfig.s_PicoOpt;
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583 PsndRate = currentConfig.s_PsndRate;
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584 PicoRegionOverride = currentConfig.s_PicoRegion;
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585 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
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586 // PicoCDBuffers = currentConfig.s_PicoCDBuffers; // ignore in this case
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591 lprintf("loaded cfg from sect \"%s\"\n", sect);
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595 // some sanity checks
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596 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
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598 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;
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599 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;
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601 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;
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603 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;
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605 // if volume keys are unbound, bind them to volume control
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606 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {
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607 currentConfig.KeyBinds[23] = 1<<29; // vol up
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608 currentConfig.KeyBinds[22] = 1<<30; // vol down
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611 if (ret == 0) config_slot_current = config_slot;
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616 int emu_WriteConfig(int is_game)
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618 char cfg[512], *game_sect = NULL;
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619 int ret, write_lrom = 0;
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623 strncpy(cfg, PicoConfigFile, 511);
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624 if (config_slot != 0)
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626 char *p = strrchr(cfg, '.');
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627 if (p == NULL) p = cfg + strlen(cfg);
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628 sprintf(p, ".%i.cfg", config_slot);
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633 if (config_slot != 0)
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634 sprintf(cfg, "game.%i.cfg", config_slot);
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635 else strcpy(cfg, "game.cfg");
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636 game_sect = emu_makeRomId();
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637 lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);
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640 lprintf("emu_WriteConfig: %s ", cfg);
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641 ret = config_writesect(cfg, game_sect);
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642 if (write_lrom) config_writelrom(cfg);
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646 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");
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648 if (ret == 0) config_slot_current = config_slot;
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653 void emu_textOut8(int x, int y, const char *text)
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655 int i,l,len=strlen(text);
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656 unsigned char *screen = (unsigned char *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
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658 /* always using built-in font */
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659 for (i = 0; i < len; i++)
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663 unsigned char fd = fontdata8x8[((text[i])*8)+l];
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664 if (fd&0x80) screen[l*SCREEN_WIDTH+0]=0xf0;
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665 if (fd&0x40) screen[l*SCREEN_WIDTH+1]=0xf0;
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666 if (fd&0x20) screen[l*SCREEN_WIDTH+2]=0xf0;
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667 if (fd&0x10) screen[l*SCREEN_WIDTH+3]=0xf0;
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668 if (fd&0x08) screen[l*SCREEN_WIDTH+4]=0xf0;
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669 if (fd&0x04) screen[l*SCREEN_WIDTH+5]=0xf0;
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670 if (fd&0x02) screen[l*SCREEN_WIDTH+6]=0xf0;
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671 if (fd&0x01) screen[l*SCREEN_WIDTH+7]=0xf0;
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677 void emu_textOut16(int x, int y, const char *text)
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679 int i,l,len=strlen(text);
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680 unsigned short *screen = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
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682 for (i = 0; i < len; i++)
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686 unsigned char fd = fontdata8x8[((text[i])*8)+l];
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687 if(fd&0x80) screen[l*SCREEN_WIDTH+0]=0xffff;
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688 if(fd&0x40) screen[l*SCREEN_WIDTH+1]=0xffff;
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689 if(fd&0x20) screen[l*SCREEN_WIDTH+2]=0xffff;
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690 if(fd&0x10) screen[l*SCREEN_WIDTH+3]=0xffff;
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691 if(fd&0x08) screen[l*SCREEN_WIDTH+4]=0xffff;
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692 if(fd&0x04) screen[l*SCREEN_WIDTH+5]=0xffff;
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693 if(fd&0x02) screen[l*SCREEN_WIDTH+6]=0xffff;
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694 if(fd&0x01) screen[l*SCREEN_WIDTH+7]=0xffff;
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701 #define MAX_COMBO_KEY 23
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703 #define MAX_COMBO_KEY 31
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706 void emu_findKeyBindCombos(void)
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710 // find out which keys and actions are combos
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711 kb_combo_keys = kb_combo_acts = 0;
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712 for (act = 0; act < 32; act++)
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714 int keyc = 0, keyc2 = 0;
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715 if (act == 16 || act == 17) continue; // player2 flag
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718 for (u = 0; u <= MAX_COMBO_KEY; u++)
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719 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;
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723 for (u = 0; u <= MAX_COMBO_KEY; u++)
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724 if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1
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725 (currentConfig.KeyBinds[u] & (1 << act))) keyc++;
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726 for (u = 0; u <= MAX_COMBO_KEY; u++)
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727 if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2
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728 (currentConfig.KeyBinds[u] & (1 << act))) keyc2++;
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729 if (keyc2 > keyc) keyc = keyc2;
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733 // loop again and mark those keys and actions as combo
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734 for (u = 0; u <= MAX_COMBO_KEY; u++)
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736 if (currentConfig.KeyBinds[u] & (1 << act)) {
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737 kb_combo_keys |= 1 << u;
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738 kb_combo_acts |= 1 << act;
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744 // printf("combo keys/acts: %08x %08x\n", kb_combo_keys, kb_combo_acts);
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748 void emu_updateMovie(void)
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750 int offs = Pico.m.frame_count*3 + 0x40;
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751 if (offs+3 > movie_size) {
\r
754 strcpy(noticeMsg, "END OF MOVIE.");
\r
755 lprintf("END OF MOVIE.\n");
\r
756 emu_noticeMsgUpdated();
\r
759 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU
\r
760 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A
\r
761 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B
\r
762 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A
\r
763 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
\r
764 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A
\r
765 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B
\r
766 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A
\r
767 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
\r
768 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X
\r
769 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z
\r
770 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
\r
771 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X
\r
772 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z
\r
777 static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)
\r
779 return gzread(file, p, _n);
\r
783 static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)
\r
785 return gzwrite(file, p, _n);
\r
788 static int try_ropen_file(const char *fname)
\r
792 f = fopen(fname, "rb");
\r
800 char *emu_GetSaveFName(int load, int is_sram, int slot)
\r
802 static char saveFname[512];
\r
807 romfname_ext(saveFname, (PicoAHW&1) ? "brm/" : "srm/", (PicoAHW&1) ? ".brm" : ".srm");
\r
809 if (try_ropen_file(saveFname)) return saveFname;
\r
810 // try in current dir..
\r
811 romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");
\r
812 if (try_ropen_file(saveFname)) return saveFname;
\r
813 return NULL; // give up
\r
819 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
\r
820 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");
\r
822 romfname_ext(saveFname, "mds/", ext);
\r
824 if (try_ropen_file(saveFname)) return saveFname;
\r
825 romfname_ext(saveFname, NULL, ext);
\r
826 if (try_ropen_file(saveFname)) return saveFname;
\r
827 if (currentConfig.EmuOpt & 8) {
\r
829 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
\r
830 strcat(ext, ".mds");
\r
832 romfname_ext(saveFname, "mds/", ext);
\r
833 if (try_ropen_file(saveFname)) return saveFname;
\r
834 romfname_ext(saveFname, NULL, ext);
\r
835 if (try_ropen_file(saveFname)) return saveFname;
\r
844 int emu_checkSaveFile(int slot)
\r
846 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;
\r
849 void emu_setSaveStateCbs(int gz)
\r
852 areaRead = gzRead2;
\r
853 areaWrite = gzWrite2;
\r
854 areaEof = (areaeof *) gzeof;
\r
855 areaSeek = (areaseek *) gzseek;
\r
856 areaClose = (areaclose *) gzclose;
\r
858 areaRead = (arearw *) fread;
\r
859 areaWrite = (arearw *) fwrite;
\r
860 areaEof = (areaeof *) feof;
\r
861 areaSeek = (areaseek *) fseek;
\r
862 areaClose = (areaclose *) fclose;
\r
866 int emu_SaveLoadGame(int load, int sram)
\r
871 // make save filename
\r
872 saveFname = emu_GetSaveFName(load, sram, state_slot);
\r
873 if (saveFname == NULL) {
\r
875 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");
\r
876 emu_noticeMsgUpdated();
\r
881 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
\r
887 unsigned char *sram_data;
\r
889 if (PicoAHW & PAHW_MCD)
\r
891 if (PicoOpt&POPT_EN_MCD_RAMCART) {
\r
892 sram_size = 0x12000;
\r
893 sram_data = SRam.data;
\r
895 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);
\r
897 sram_size = 0x2000;
\r
898 sram_data = Pico_mcd->bram;
\r
899 truncate = 0; // the .brm may contain RAM cart data after normal brm
\r
902 sram_size = SRam.end-SRam.start+1;
\r
903 if(Pico.m.sram_reg & 4) sram_size=0x2000;
\r
904 sram_data = SRam.data;
\r
906 if (!sram_data) return 0; // SRam forcefully disabled for this game
\r
910 sramFile = fopen(saveFname, "rb");
\r
911 if(!sramFile) return -1;
\r
912 fread(sram_data, 1, sram_size, sramFile);
\r
914 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))
\r
915 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);
\r
917 // sram save needs some special processing
\r
918 // see if we have anything to save
\r
919 for (; sram_size > 0; sram_size--)
\r
920 if (sram_data[sram_size-1]) break;
\r
923 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");
\r
924 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry
\r
925 if (!sramFile) return -1;
\r
926 ret = fwrite(sram_data, 1, sram_size, sramFile);
\r
927 ret = (ret != sram_size) ? -1 : 0;
\r
938 void *PmovFile = NULL;
\r
939 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)
\r
941 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {
\r
942 emu_setSaveStateCbs(1);
\r
943 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);
\r
948 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {
\r
949 emu_setSaveStateCbs(0);
\r
953 ret = PmovState(load ? 6 : 5, PmovFile);
\r
954 areaClose(PmovFile);
\r
956 if (load) Pico.m.dirtyPal=1;
\r
963 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");
\r
966 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");
\r
970 emu_noticeMsgUpdated();
\r
975 void emu_changeFastForward(int set_on)
\r
977 static void *set_PsndOut = NULL;
\r
978 static int set_Frameskip, set_EmuOpt, is_on = 0;
\r
980 if (set_on && !is_on) {
\r
981 set_PsndOut = PsndOut;
\r
982 set_Frameskip = currentConfig.Frameskip;
\r
983 set_EmuOpt = currentConfig.EmuOpt;
\r
985 currentConfig.Frameskip = 8;
\r
986 currentConfig.EmuOpt &= ~4;
\r
987 currentConfig.EmuOpt |= 0x40000;
\r
989 strcpy(noticeMsg, "FAST FORWARD ");
\r
990 emu_noticeMsgUpdated();
\r
992 else if (!set_on && is_on) {
\r
993 PsndOut = set_PsndOut;
\r
994 currentConfig.Frameskip = set_Frameskip;
\r
995 currentConfig.EmuOpt = set_EmuOpt;
\r
1001 void emu_RunEventsPico(unsigned int events)
\r
1003 if (events & (1 << 3)) {
\r
1005 if (pico_inp_mode > 2) pico_inp_mode = 0;
\r
1006 switch (pico_inp_mode) {
\r
1007 case 2: strcpy(noticeMsg, "Input: Pen on Pad "); break;
\r
1008 case 1: strcpy(noticeMsg, "Input: Pen on Storyware"); break;
\r
1009 case 0: strcpy(noticeMsg, "Input: Joytick ");
\r
1010 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
\r
1013 emu_noticeMsgUpdated();
\r
1015 if (events & (1 << 4)) {
\r
1016 PicoPicohw.page--;
\r
1017 if (PicoPicohw.page < 0) PicoPicohw.page = 0;
\r
1018 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);
\r
1019 emu_noticeMsgUpdated();
\r
1021 if (events & (1 << 5)) {
\r
1022 PicoPicohw.page++;
\r
1023 if (PicoPicohw.page > 6) PicoPicohw.page = 6;
\r
1024 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);
\r
1025 emu_noticeMsgUpdated();
\r