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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47 unsigned char *movie_data = NULL;
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48 static int movie_size = 0;
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50 // provided by platform code:
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51 extern char romFileName[];
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52 extern void emu_noticeMsgUpdated(void);
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53 extern void emu_getMainDir(char *dst, int len);
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54 extern void emu_setDefaultConfig(void);
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55 extern void menu_romload_prepare(const char *rom_name);
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56 extern void menu_romload_end(void);
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60 static void strlwr_(char* string)
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62 while ( (*string++ = (char)tolower(*string)) );
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65 static int try_rfn_cut(void)
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70 p = romFileName + strlen(romFileName) - 1;
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71 for (; p > romFileName; p--)
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72 if (*p == '.') break;
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75 if((tmp = fopen(romFileName, "rb"))) {
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82 static void get_ext(char *file, char *ext)
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86 p = file + strlen(file) - 4;
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87 if (p < file) p = file;
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93 char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };
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94 char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };
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95 char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };
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97 int emu_findBios(int region, char **bios_file)
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99 static char bios_path[1024];
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104 if (region == 4) { // US
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105 files = biosfiles_us;
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106 count = sizeof(biosfiles_us) / sizeof(char *);
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107 } else if (region == 8) { // EU
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108 files = biosfiles_eu;
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109 count = sizeof(biosfiles_eu) / sizeof(char *);
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110 } else if (region == 1 || region == 2) {
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111 files = biosfiles_jp;
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112 count = sizeof(biosfiles_jp) / sizeof(char *);
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117 for (i = 0; i < count; i++)
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119 emu_getMainDir(bios_path, sizeof(bios_path));
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120 strcat(bios_path, files[i]);
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121 strcat(bios_path, ".bin");
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122 f = fopen(bios_path, "rb");
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125 bios_path[strlen(bios_path) - 4] = 0;
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126 strcat(bios_path, ".zip");
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127 f = fopen(bios_path, "rb");
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132 lprintf("using bios: %s\n", bios_path);
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134 if (bios_file) *bios_file = bios_path;
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137 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",
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138 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
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139 lprintf("%s\n", menuErrorMsg);
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144 /* check if the name begins with BIOS name */
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146 static int emu_isBios(const char *name)
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149 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)
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150 if (strstr(name, biosfiles_us[i]) != NULL) return 1;
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151 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)
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152 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;
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153 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)
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154 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;
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159 static unsigned char id_header[0x100];
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161 /* checks if romFileName points to valid MegaCD image
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162 * if so, checks for suitable BIOS */
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163 int emu_cdCheck(int *pregion)
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165 unsigned char buf[32];
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167 int region = 4; // 1: Japan, 4: US, 8: Europe
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168 char ext[5], *fname = romFileName;
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169 cue_track_type type = CT_UNKNOWN;
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170 cue_data_t *cue_data = NULL;
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172 get_ext(romFileName, ext);
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173 if (strcasecmp(ext, ".cue") == 0) {
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174 cue_data = cue_parse(romFileName);
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175 if (cue_data != NULL) {
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176 fname = cue_data->tracks[1].fname;
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177 type = cue_data->tracks[1].type;
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181 cd_f = pm_open(fname);
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182 if (cue_data != NULL)
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183 cue_destroy(cue_data);
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185 if (!cd_f) return 0; // let the upper level handle this
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187 if (pm_read(buf, 32, cd_f) != 32) {
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192 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {
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193 if (type && type != CT_ISO)
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194 elprintf(EL_STATUS, ".cue has wrong type: %i", type);
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195 type = CT_ISO; // Sega CD (ISO)
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197 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {
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198 if (type && type != CT_BIN)
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199 elprintf(EL_STATUS, ".cue has wrong type: %i", type);
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200 type = CT_BIN; // Sega CD (BIN)
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203 if (type == CT_UNKNOWN) {
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208 pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);
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209 pm_read(id_header, sizeof(id_header), cd_f);
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211 /* it seems we have a CD image here. Try to detect region now.. */
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212 pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);
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213 pm_read(buf, 1, cd_f);
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216 if (buf[0] == 0x64) region = 8; // EU
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217 if (buf[0] == 0xa1) region = 1; // JAP
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219 lprintf("detected %s Sega/Mega CD image with %s region\n",
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220 type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
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222 if (pregion != NULL) *pregion = region;
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227 static int extract_text(char *dest, const unsigned char *src, int len, int swab)
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232 if (swab) swab = 1;
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234 for (i = len - 1; i >= 0; i--)
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236 if (src[i^swab] != ' ') break;
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240 for (i = 0; i < len; i++)
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242 unsigned char s = src[i^swab];
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243 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&
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244 s != '[' && s != ']' && s != '\\')
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250 sprintf(p, "\\%02x", s);
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258 char *emu_makeRomId(void)
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260 static char id_string[3+0x11+0x11+0x30+16];
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263 if (PicoAHW & PAHW_MCD) {
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264 strcpy(id_string, "CD|");
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267 else strcpy(id_string, "MD|");
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270 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial
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271 id_string[pos] = '|'; pos++;
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272 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region
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273 id_string[pos] = '|'; pos++;
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274 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name
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275 id_string[pos] = 0;
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280 int emu_ReloadRom(void)
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282 unsigned int rom_size = 0;
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283 char *used_rom_name = romFileName;
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284 unsigned char *rom_data = NULL;
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287 int ret, cd_state, cd_region, cfg_loaded = 0;
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289 lprintf("emu_ReloadRom(%s)\n", romFileName);
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291 get_ext(romFileName, ext);
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293 // detect wrong extensions
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294 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz
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295 sprintf(menuErrorMsg, "Not a ROM selected.");
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301 // check for movie file
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306 if (!strcmp(ext, ".gmv"))
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308 // check for both gmv and rom
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310 FILE *movie_file = fopen(romFileName, "rb");
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312 sprintf(menuErrorMsg, "Failed to open movie.");
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315 fseek(movie_file, 0, SEEK_END);
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316 movie_size = ftell(movie_file);
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317 fseek(movie_file, 0, SEEK_SET);
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318 if(movie_size < 64+3) {
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319 sprintf(menuErrorMsg, "Invalid GMV file.");
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320 fclose(movie_file);
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323 movie_data = malloc(movie_size);
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324 if(movie_data == NULL) {
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325 sprintf(menuErrorMsg, "low memory.");
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326 fclose(movie_file);
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329 fread(movie_data, 1, movie_size, movie_file);
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330 fclose(movie_file);
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331 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
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332 sprintf(menuErrorMsg, "Invalid GMV file.");
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335 dummy = try_rfn_cut() || try_rfn_cut();
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337 sprintf(menuErrorMsg, "Could't find a ROM for movie.");
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340 get_ext(romFileName, ext);
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342 else if (!strcmp(ext, ".pat")) {
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344 PicoPatchLoad(romFileName);
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345 dummy = try_rfn_cut() || try_rfn_cut();
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347 sprintf(menuErrorMsg, "Could't find a ROM to patch.");
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350 get_ext(romFileName, ext);
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353 if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)
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356 // check for MegaCD image
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357 cd_state = emu_cdCheck(&cd_region);
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358 if (cd_state != CIT_NOT_CD)
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360 PicoAHW |= PAHW_MCD;
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361 // valid CD image, check for BIOS..
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363 // we need to have config loaded at this point
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364 ret = emu_ReadConfig(1, 1);
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365 if (!ret) emu_ReadConfig(0, 1);
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368 if (PicoRegionOverride) {
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369 cd_region = PicoRegionOverride;
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370 lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");
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372 if (!emu_findBios(cd_region, &used_rom_name)) {
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374 PicoAHW &= ~PAHW_MCD;
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378 get_ext(used_rom_name, ext);
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382 if (PicoAHW & PAHW_MCD) Stop_CD();
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383 PicoAHW &= ~PAHW_MCD;
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386 rom = pm_open(used_rom_name);
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388 sprintf(menuErrorMsg, "Failed to open rom.");
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392 menu_romload_prepare(used_rom_name); // also CD load
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397 if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {
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398 sprintf(menuErrorMsg, "PicoCartLoad() failed.");
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399 lprintf("%s\n", menuErrorMsg);
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401 menu_romload_end();
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406 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good
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407 if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||
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408 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {
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409 if (rom_data) free(rom_data);
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410 sprintf(menuErrorMsg, "Not a ROM selected.");
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411 menu_romload_end();
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415 // load config for this ROM (do this before insert to get correct region)
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416 if (!(PicoAHW & PAHW_MCD))
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417 memcpy(id_header, rom_data + 0x100, sizeof(id_header));
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419 ret = emu_ReadConfig(1, 1);
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420 if (!ret) emu_ReadConfig(0, 1);
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423 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);
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424 if (PicoCartInsert(rom_data, rom_size)) {
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425 sprintf(menuErrorMsg, "Failed to load ROM.");
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426 menu_romload_end();
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430 // insert CD if it was detected
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431 if (cd_state != CIT_NOT_CD) {
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432 ret = Insert_CD(romFileName, cd_state);
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434 sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");
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435 lprintf("%s\n", menuErrorMsg);
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436 menu_romload_end();
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441 menu_romload_end();
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444 PicoPatchPrepare();
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448 // additional movie stuff
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450 if(movie_data[0x14] == '6')
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451 PicoOpt |= POPT_6BTN_PAD; // 6 button pad
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452 else PicoOpt &= ~POPT_6BTN_PAD;
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453 PicoOpt |= POPT_DIS_VDP_FIFO|POPT_ACC_TIMING; // accurate timing, no VDP fifo timing
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454 if(movie_data[0xF] >= 'A') {
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455 if(movie_data[0x16] & 0x80) {
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456 PicoRegionOverride = 8;
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458 PicoRegionOverride = 4;
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461 // TODO: bits 6 & 5
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463 movie_data[0x18+30] = 0;
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464 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);
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468 PicoOpt &= ~POPT_DIS_VDP_FIFO;
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470 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");
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472 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");
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475 emu_noticeMsgUpdated();
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477 // load SRAM for this ROM
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478 if (currentConfig.EmuOpt & 1)
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479 emu_SaveLoadGame(1, 1);
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481 strncpy(lastRomFile, romFileName, sizeof(lastRomFile)-1);
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482 lastRomFile[sizeof(lastRomFile)-1] = 0;
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488 static void romfname_ext(char *dst, const char *prefix, const char *ext)
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491 int prefix_len = 0;
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493 // make save filename
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494 for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;
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497 strcpy(dst, prefix);
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498 prefix_len = strlen(prefix);
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500 strncpy(dst + prefix_len, p, 511-prefix_len);
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502 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;
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503 if (ext) strcat(dst, ext);
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507 static void make_config_cfg(char *cfg)
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509 strncpy(cfg, PicoConfigFile, 511);
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510 if (config_slot != 0)
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512 char *p = strrchr(cfg, '.');
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513 if (p == NULL) p = cfg + strlen(cfg);
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514 sprintf(p, ".%i.cfg", config_slot);
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519 int emu_ReadConfig(int game, int no_defaults)
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528 emu_setDefaultConfig();
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529 make_config_cfg(cfg);
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530 ret = config_readsect(cfg, NULL);
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534 char *sect = emu_makeRomId();
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536 // try new .cfg way
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537 if (config_slot != 0)
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538 sprintf(cfg, "game.%i.cfg", config_slot);
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539 else strcpy(cfg, "game.cfg");
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542 if (config_havesect(cfg, sect))
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544 // read user's config
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545 int vol = currentConfig.volume;
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546 emu_setDefaultConfig();
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547 ret = config_readsect(cfg, sect);
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548 currentConfig.volume = vol; // make vol global (bah)
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552 // read global config, and apply game_def.cfg on top
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553 make_config_cfg(cfg);
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554 config_readsect(cfg, NULL);
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555 ret = config_readsect("game_def.cfg", sect);
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560 // fall back to old game specific cfg
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562 if (config_slot != 0)
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563 sprintf(extbuf, ".%i.pbcfg", config_slot);
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564 else strcpy(extbuf, ".pbcfg");
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565 romfname_ext(cfg, "cfg/", extbuf);
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566 f = fopen(cfg, "rb");
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568 romfname_ext(cfg, NULL, ".pbcfg");
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569 f = fopen(cfg, "rb");
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573 fseek(f, 512, SEEK_SET); // skip unused lrom buffer
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574 bread = fread(¤tConfig, 1, sizeof(currentConfig), f);
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575 lprintf("emu_ReadConfig: %s %s\n", cfg, bread > 0 ? "(ok)" : "(failed)");
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581 PicoOpt = currentConfig.s_PicoOpt;
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582 PsndRate = currentConfig.s_PsndRate;
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583 PicoRegionOverride = currentConfig.s_PicoRegion;
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584 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
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585 // PicoCDBuffers = currentConfig.s_PicoCDBuffers; // ignore in this case
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590 lprintf("loaded cfg from sect \"%s\"\n", sect);
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594 // some sanity checks
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595 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
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597 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;
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598 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;
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600 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;
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602 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;
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604 // if volume keys are unbound, bind them to volume control
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605 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {
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606 currentConfig.KeyBinds[23] = 1<<29; // vol up
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607 currentConfig.KeyBinds[22] = 1<<30; // vol down
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610 if (ret == 0) config_slot_current = config_slot;
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615 int emu_WriteConfig(int is_game)
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617 char cfg[512], *game_sect = NULL;
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618 int ret, write_lrom = 0;
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622 strncpy(cfg, PicoConfigFile, 511);
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623 if (config_slot != 0)
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625 char *p = strrchr(cfg, '.');
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626 if (p == NULL) p = cfg + strlen(cfg);
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627 sprintf(p, ".%i.cfg", config_slot);
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632 if (config_slot != 0)
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633 sprintf(cfg, "game.%i.cfg", config_slot);
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634 else strcpy(cfg, "game.cfg");
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635 game_sect = emu_makeRomId();
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636 lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);
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639 lprintf("emu_WriteConfig: %s ", cfg);
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640 ret = config_writesect(cfg, game_sect);
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641 if (write_lrom) config_writelrom(cfg);
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645 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");
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647 if (ret == 0) config_slot_current = config_slot;
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652 void emu_textOut8(int x, int y, const char *text)
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654 int i,l,len=strlen(text);
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655 unsigned char *screen = (unsigned char *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
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657 /* always using built-in font */
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658 for (i = 0; i < len; i++)
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662 unsigned char fd = fontdata8x8[((text[i])*8)+l];
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663 if (fd&0x80) screen[l*SCREEN_WIDTH+0]=0xf0;
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664 if (fd&0x40) screen[l*SCREEN_WIDTH+1]=0xf0;
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665 if (fd&0x20) screen[l*SCREEN_WIDTH+2]=0xf0;
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666 if (fd&0x10) screen[l*SCREEN_WIDTH+3]=0xf0;
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667 if (fd&0x08) screen[l*SCREEN_WIDTH+4]=0xf0;
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668 if (fd&0x04) screen[l*SCREEN_WIDTH+5]=0xf0;
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669 if (fd&0x02) screen[l*SCREEN_WIDTH+6]=0xf0;
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670 if (fd&0x01) screen[l*SCREEN_WIDTH+7]=0xf0;
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676 void emu_textOut16(int x, int y, const char *text)
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678 int i,l,len=strlen(text);
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679 unsigned short *screen = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
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681 for (i = 0; i < len; i++)
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685 unsigned char fd = fontdata8x8[((text[i])*8)+l];
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686 if(fd&0x80) screen[l*SCREEN_WIDTH+0]=0xffff;
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687 if(fd&0x40) screen[l*SCREEN_WIDTH+1]=0xffff;
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688 if(fd&0x20) screen[l*SCREEN_WIDTH+2]=0xffff;
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689 if(fd&0x10) screen[l*SCREEN_WIDTH+3]=0xffff;
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690 if(fd&0x08) screen[l*SCREEN_WIDTH+4]=0xffff;
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691 if(fd&0x04) screen[l*SCREEN_WIDTH+5]=0xffff;
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692 if(fd&0x02) screen[l*SCREEN_WIDTH+6]=0xffff;
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693 if(fd&0x01) screen[l*SCREEN_WIDTH+7]=0xffff;
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700 #define MAX_COMBO_KEY 23
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702 #define MAX_COMBO_KEY 31
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705 void emu_findKeyBindCombos(void)
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709 // find out which keys and actions are combos
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710 kb_combo_keys = kb_combo_acts = 0;
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711 for (act = 0; act < 32; act++)
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713 int keyc = 0, keyc2 = 0;
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714 if (act == 16 || act == 17) continue; // player2 flag
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717 for (u = 0; u <= MAX_COMBO_KEY; u++)
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718 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;
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722 for (u = 0; u <= MAX_COMBO_KEY; u++)
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723 if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1
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724 (currentConfig.KeyBinds[u] & (1 << act))) keyc++;
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725 for (u = 0; u <= MAX_COMBO_KEY; u++)
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726 if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2
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727 (currentConfig.KeyBinds[u] & (1 << act))) keyc2++;
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728 if (keyc2 > keyc) keyc = keyc2;
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732 // loop again and mark those keys and actions as combo
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733 for (u = 0; u <= MAX_COMBO_KEY; u++)
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735 if (currentConfig.KeyBinds[u] & (1 << act)) {
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736 kb_combo_keys |= 1 << u;
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737 kb_combo_acts |= 1 << act;
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743 // printf("combo keys/acts: %08x %08x\n", kb_combo_keys, kb_combo_acts);
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747 void emu_updateMovie(void)
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749 int offs = Pico.m.frame_count*3 + 0x40;
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750 if (offs+3 > movie_size) {
\r
753 strcpy(noticeMsg, "END OF MOVIE.");
\r
754 lprintf("END OF MOVIE.\n");
\r
755 emu_noticeMsgUpdated();
\r
758 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU
\r
759 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A
\r
760 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B
\r
761 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A
\r
762 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
\r
763 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A
\r
764 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B
\r
765 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A
\r
766 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
\r
767 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X
\r
768 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z
\r
769 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
\r
770 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X
\r
771 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z
\r
776 static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)
\r
778 return gzread(file, p, _n);
\r
782 static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)
\r
784 return gzwrite(file, p, _n);
\r
787 static int try_ropen_file(const char *fname)
\r
791 f = fopen(fname, "rb");
\r
799 char *emu_GetSaveFName(int load, int is_sram, int slot)
\r
801 static char saveFname[512];
\r
806 romfname_ext(saveFname, (PicoAHW&1) ? "brm/" : "srm/", (PicoAHW&1) ? ".brm" : ".srm");
\r
808 if (try_ropen_file(saveFname)) return saveFname;
\r
809 // try in current dir..
\r
810 romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");
\r
811 if (try_ropen_file(saveFname)) return saveFname;
\r
812 return NULL; // give up
\r
818 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
\r
819 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");
\r
821 romfname_ext(saveFname, "mds/", ext);
\r
823 if (try_ropen_file(saveFname)) return saveFname;
\r
824 romfname_ext(saveFname, NULL, ext);
\r
825 if (try_ropen_file(saveFname)) return saveFname;
\r
826 if (currentConfig.EmuOpt & 8) {
\r
828 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
\r
829 strcat(ext, ".mds");
\r
831 romfname_ext(saveFname, "mds/", ext);
\r
832 if (try_ropen_file(saveFname)) return saveFname;
\r
833 romfname_ext(saveFname, NULL, ext);
\r
834 if (try_ropen_file(saveFname)) return saveFname;
\r
843 int emu_checkSaveFile(int slot)
\r
845 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;
\r
848 void emu_setSaveStateCbs(int gz)
\r
851 areaRead = gzRead2;
\r
852 areaWrite = gzWrite2;
\r
853 areaEof = (areaeof *) gzeof;
\r
854 areaSeek = (areaseek *) gzseek;
\r
855 areaClose = (areaclose *) gzclose;
\r
857 areaRead = (arearw *) fread;
\r
858 areaWrite = (arearw *) fwrite;
\r
859 areaEof = (areaeof *) feof;
\r
860 areaSeek = (areaseek *) fseek;
\r
861 areaClose = (areaclose *) fclose;
\r
865 int emu_SaveLoadGame(int load, int sram)
\r
870 // make save filename
\r
871 saveFname = emu_GetSaveFName(load, sram, state_slot);
\r
872 if (saveFname == NULL) {
\r
874 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");
\r
875 emu_noticeMsgUpdated();
\r
880 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
\r
886 unsigned char *sram_data;
\r
888 if (PicoAHW & PAHW_MCD)
\r
890 if (PicoOpt&POPT_EN_MCD_RAMCART) {
\r
891 sram_size = 0x12000;
\r
892 sram_data = SRam.data;
\r
894 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);
\r
896 sram_size = 0x2000;
\r
897 sram_data = Pico_mcd->bram;
\r
898 truncate = 0; // the .brm may contain RAM cart data after normal brm
\r
901 sram_size = SRam.end-SRam.start+1;
\r
902 if(Pico.m.sram_reg & 4) sram_size=0x2000;
\r
903 sram_data = SRam.data;
\r
905 if (!sram_data) return 0; // SRam forcefully disabled for this game
\r
909 sramFile = fopen(saveFname, "rb");
\r
910 if(!sramFile) return -1;
\r
911 fread(sram_data, 1, sram_size, sramFile);
\r
913 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))
\r
914 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);
\r
916 // sram save needs some special processing
\r
917 // see if we have anything to save
\r
918 for (; sram_size > 0; sram_size--)
\r
919 if (sram_data[sram_size-1]) break;
\r
922 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");
\r
923 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry
\r
924 if (!sramFile) return -1;
\r
925 ret = fwrite(sram_data, 1, sram_size, sramFile);
\r
926 ret = (ret != sram_size) ? -1 : 0;
\r
937 void *PmovFile = NULL;
\r
938 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)
\r
940 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {
\r
941 emu_setSaveStateCbs(1);
\r
942 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);
\r
947 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {
\r
948 emu_setSaveStateCbs(0);
\r
952 ret = PmovState(load ? 6 : 5, PmovFile);
\r
953 areaClose(PmovFile);
\r
955 if (load) Pico.m.dirtyPal=1;
\r
962 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");
\r
965 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");
\r
969 emu_noticeMsgUpdated();
\r