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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15 #include "lprintf.h"
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21 #include <pico/pico_int.h>
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22 #include <pico/patch.h>
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23 #include <pico/cd/cue.h>
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24 #include <zlib/zlib.h>
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29 #if !SCREEN_SIZE_FIXED
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30 int g_screen_width = SCREEN_WIDTH;
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31 int g_screen_height = SCREEN_HEIGHT;
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34 char *PicoConfigFile = "config.cfg";
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35 currentConfig_t currentConfig, defaultConfig;
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37 int config_slot = 0, config_slot_current = 0;
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38 int pico_pen_x = 320/2, pico_pen_y = 240/2;
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39 int pico_inp_mode = 0;
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40 int engineState = PGS_Menu;
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42 /* TODO: len checking */
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43 char rom_fname_reload[512] = { 0, };
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44 char rom_fname_loaded[512] = { 0, };
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46 int reset_timing = 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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52 /* don't use tolower() for easy old glibc binary compatibility */
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53 static void strlwr_(char *string)
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56 for (p = string; *p; p++)
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57 if ('A' <= *p && *p <= 'Z')
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61 static int try_rfn_cut(char *fname)
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66 p = fname + strlen(fname) - 1;
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67 for (; p > fname; p--)
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68 if (*p == '.') break;
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71 if((tmp = fopen(fname, "rb"))) {
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78 static void get_ext(char *file, char *ext)
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82 p = file + strlen(file) - 4;
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83 if (p < file) p = file;
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89 static const char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };
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90 static const char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };
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91 static const char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };
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93 static int find_bios(int region, char **bios_file)
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95 static char bios_path[1024];
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100 if (region == 4) { // US
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101 files = biosfiles_us;
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102 count = sizeof(biosfiles_us) / sizeof(char *);
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103 } else if (region == 8) { // EU
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104 files = biosfiles_eu;
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105 count = sizeof(biosfiles_eu) / sizeof(char *);
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106 } else if (region == 1 || region == 2) {
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107 files = biosfiles_jp;
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108 count = sizeof(biosfiles_jp) / sizeof(char *);
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113 for (i = 0; i < count; i++)
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115 emu_make_path(bios_path, files[i], sizeof(bios_path) - 4);
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116 strcat(bios_path, ".bin");
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117 f = fopen(bios_path, "rb");
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120 bios_path[strlen(bios_path) - 4] = 0;
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121 strcat(bios_path, ".zip");
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122 f = fopen(bios_path, "rb");
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127 lprintf("using bios: %s\n", bios_path);
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129 if (bios_file) *bios_file = bios_path;
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132 sprintf(bios_path, "no %s BIOS files found, read docs",
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133 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
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134 me_update_msg(bios_path);
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139 /* check if the name begins with BIOS name */
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141 static int emu_isBios(const char *name)
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144 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)
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145 if (strstr(name, biosfiles_us[i]) != NULL) return 1;
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146 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)
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147 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;
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148 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)
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149 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;
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154 static unsigned char id_header[0x100];
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156 /* checks if fname points to valid MegaCD image
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157 * if so, checks for suitable BIOS */
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158 int emu_cd_check(int *pregion, char *fname_in)
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160 unsigned char buf[32];
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162 int region = 4; // 1: Japan, 4: US, 8: Europe
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163 char ext[5], *fname = fname_in;
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164 cue_track_type type = CT_UNKNOWN;
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165 cue_data_t *cue_data = NULL;
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167 get_ext(fname_in, ext);
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168 if (strcasecmp(ext, ".cue") == 0) {
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169 cue_data = cue_parse(fname_in);
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170 if (cue_data != NULL) {
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171 fname = cue_data->tracks[1].fname;
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172 type = cue_data->tracks[1].type;
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178 cd_f = pm_open(fname);
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179 if (cue_data != NULL)
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180 cue_destroy(cue_data);
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182 if (cd_f == NULL) return 0; // let the upper level handle this
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184 if (pm_read(buf, 32, cd_f) != 32) {
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189 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {
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190 if (type && type != CT_ISO)
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191 elprintf(EL_STATUS, ".cue has wrong type: %i", type);
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192 type = CT_ISO; // Sega CD (ISO)
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194 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {
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195 if (type && type != CT_BIN)
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196 elprintf(EL_STATUS, ".cue has wrong type: %i", type);
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197 type = CT_BIN; // Sega CD (BIN)
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200 if (type == CT_UNKNOWN) {
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205 pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);
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206 pm_read(id_header, sizeof(id_header), cd_f);
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208 /* it seems we have a CD image here. Try to detect region now.. */
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209 pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);
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210 pm_read(buf, 1, cd_f);
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213 if (buf[0] == 0x64) region = 8; // EU
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214 if (buf[0] == 0xa1) region = 1; // JAP
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216 lprintf("detected %s Sega/Mega CD image with %s region\n",
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217 type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
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219 if (pregion != NULL) *pregion = region;
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224 static int extract_text(char *dest, const unsigned char *src, int len, int swab)
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229 if (swab) swab = 1;
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231 for (i = len - 1; i >= 0; i--)
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233 if (src[i^swab] != ' ') break;
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237 for (i = 0; i < len; i++)
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239 unsigned char s = src[i^swab];
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240 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&
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241 s != '[' && s != ']' && s != '\\')
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247 sprintf(p, "\\%02x", s);
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255 static char *emu_make_rom_id(void)
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257 static char id_string[3+0xe*3+0x3*3+0x30*3+3];
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260 if (PicoAHW & PAHW_MCD) {
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261 strcpy(id_string, "CD|");
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264 else strcpy(id_string, "MD|");
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267 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial
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268 id_string[pos] = '|'; pos++;
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269 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region
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270 id_string[pos] = '|'; pos++;
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271 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name
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272 id_string[pos] = 0;
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277 // buffer must be at least 150 byte long
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278 void emu_get_game_name(char *str150)
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280 int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;
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283 ret = extract_text(str150, id_header + 0x50, 0x30, swab); // overseas name
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285 for (s = d = str150 + 1; s < str150+ret; s++)
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287 if (*s == 0) break;
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288 if (*s != ' ' || d[-1] != ' ')
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294 static void shutdown_MCD(void)
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296 if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)
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298 PicoAHW &= ~PAHW_MCD;
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301 // note: this function might mangle rom_fname
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302 int emu_reload_rom(char *rom_fname)
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304 unsigned int rom_size = 0;
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305 char *used_rom_name = rom_fname;
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306 unsigned char *rom_data = NULL;
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308 pm_file *rom = NULL;
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309 int ret, cd_state, cd_region, cfg_loaded = 0;
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311 lprintf("emu_ReloadRom(%s)\n", rom_fname);
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313 get_ext(rom_fname, ext);
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315 // detect wrong extensions
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316 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz
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317 me_update_msg("Not a ROM/CD selected.");
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323 // check for movie file
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328 if (!strcmp(ext, ".gmv"))
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330 // check for both gmv and rom
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332 FILE *movie_file = fopen(rom_fname, "rb");
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334 me_update_msg("Failed to open movie.");
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337 fseek(movie_file, 0, SEEK_END);
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338 movie_size = ftell(movie_file);
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339 fseek(movie_file, 0, SEEK_SET);
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340 if(movie_size < 64+3) {
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341 me_update_msg("Invalid GMV file.");
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342 fclose(movie_file);
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345 movie_data = malloc(movie_size);
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346 if(movie_data == NULL) {
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347 me_update_msg("low memory.");
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348 fclose(movie_file);
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351 fread(movie_data, 1, movie_size, movie_file);
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352 fclose(movie_file);
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353 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
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354 me_update_msg("Invalid GMV file.");
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357 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
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359 me_update_msg("Could't find a ROM for movie.");
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362 get_ext(rom_fname, ext);
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363 lprintf("gmv loaded for %s\n", rom_fname);
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365 else if (!strcmp(ext, ".pat"))
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368 PicoPatchLoad(rom_fname);
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369 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
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371 me_update_msg("Could't find a ROM to patch.");
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374 get_ext(rom_fname, ext);
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379 // check for MegaCD image
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380 cd_state = emu_cd_check(&cd_region, rom_fname);
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381 if (cd_state >= 0 && cd_state != CIT_NOT_CD)
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383 PicoAHW |= PAHW_MCD;
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384 // valid CD image, check for BIOS..
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386 // we need to have config loaded at this point
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387 ret = emu_read_config(1, 1);
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388 if (!ret) emu_read_config(0, 1);
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391 if (PicoRegionOverride) {
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392 cd_region = PicoRegionOverride;
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393 lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");
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395 if (!find_bios(cd_region, &used_rom_name)) {
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396 PicoAHW &= ~PAHW_MCD;
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400 get_ext(used_rom_name, ext);
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404 if (PicoAHW & PAHW_MCD) Stop_CD();
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405 PicoAHW &= ~PAHW_MCD;
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408 rom = pm_open(used_rom_name);
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410 me_update_msg("Failed to open ROM/CD image");
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414 if (cd_state < 0) {
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415 me_update_msg("Invalid CD image");
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419 menu_romload_prepare(used_rom_name); // also CD load
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424 if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {
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425 if (ret == 2) me_update_msg("Out of memory");
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426 else if (ret == 3) me_update_msg("Read failed");
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427 else me_update_msg("PicoCartLoad() failed.");
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433 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good
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434 if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||
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435 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {
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436 if (rom_data) free(rom_data);
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437 me_update_msg("Not a ROM selected.");
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441 // load config for this ROM (do this before insert to get correct region)
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442 if (!(PicoAHW & PAHW_MCD))
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443 memcpy(id_header, rom_data + 0x100, sizeof(id_header));
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445 ret = emu_read_config(1, 1);
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446 if (!ret) emu_read_config(0, 1);
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449 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);
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450 if (PicoCartInsert(rom_data, rom_size)) {
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451 me_update_msg("Failed to load ROM.");
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455 // insert CD if it was detected
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456 if (cd_state != CIT_NOT_CD) {
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457 ret = Insert_CD(rom_fname, cd_state);
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459 me_update_msg("Insert_CD() failed, invalid CD image?");
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464 menu_romload_end();
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467 PicoPatchPrepare();
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471 // additional movie stuff
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474 if (movie_data[0x14] == '6')
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475 PicoOpt |= POPT_6BTN_PAD; // 6 button pad
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476 else PicoOpt &= ~POPT_6BTN_PAD;
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477 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing
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478 if (movie_data[0xF] >= 'A') {
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479 if (movie_data[0x16] & 0x80) {
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480 PicoRegionOverride = 8;
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482 PicoRegionOverride = 4;
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485 // TODO: bits 6 & 5
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487 movie_data[0x18+30] = 0;
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488 plat_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);
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492 PicoOpt &= ~POPT_DIS_VDP_FIFO;
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493 plat_status_msg(Pico.m.pal ? "PAL SYSTEM / 50 FPS" : "NTSC SYSTEM / 60 FPS");
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496 // load SRAM for this ROM
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497 if (currentConfig.EmuOpt & EOPT_EN_SRAM)
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498 emu_save_load_game(1, 1);
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500 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);
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501 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;
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506 menu_romload_end();
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508 if (rom != NULL) pm_close(rom);
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512 static void romfname_ext(char *dst, const char *prefix, const char *ext)
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515 int prefix_len = 0;
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517 // make save filename
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518 p = rom_fname_loaded + strlen(rom_fname_loaded) - 1;
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519 for (; p >= rom_fname_loaded && *p != PATH_SEP_C; p--); p++;
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522 int len = plat_get_root_dir(dst, 512);
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523 strcpy(dst + len, prefix);
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524 prefix_len = len + strlen(prefix);
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527 else p = rom_fname_loaded; // backward compatibility
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529 strncpy(dst + prefix_len, p, 511-prefix_len);
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531 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;
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532 if (ext) strcat(dst, ext);
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535 void emu_make_path(char *buff, const char *end, int size)
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539 end_len = strlen(end);
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540 pos = plat_get_root_dir(buff, size);
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541 strncpy(buff + pos, end, size - pos);
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542 buff[size - 1] = 0;
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543 if (pos + end_len > size - 1)
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544 lprintf("Warning: path truncated: %s\n", buff);
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547 static void make_config_cfg(char *cfg_buff_512)
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549 emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);
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550 if (config_slot != 0)
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552 char *p = strrchr(cfg_buff_512, '.');
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554 p = cfg_buff_512 + strlen(cfg_buff_512);
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555 sprintf(p, ".%i.cfg", config_slot);
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557 cfg_buff_512[511] = 0;
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560 void emu_set_defconfig(void)
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562 memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));
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563 PicoOpt = currentConfig.s_PicoOpt;
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564 PsndRate = currentConfig.s_PsndRate;
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565 PicoRegionOverride = currentConfig.s_PicoRegion;
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566 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
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567 PicoCDBuffers = currentConfig.s_PicoCDBuffers;
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570 int emu_read_config(int game, int no_defaults)
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578 emu_set_defconfig();
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579 make_config_cfg(cfg);
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580 ret = config_readsect(cfg, NULL);
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584 char *sect = emu_make_rom_id();
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586 // try new .cfg way
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587 if (config_slot != 0)
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588 sprintf(cfg, "game.%i.cfg", config_slot);
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589 else strcpy(cfg, "game.cfg");
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592 if (config_havesect(cfg, sect))
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594 // read user's config
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595 int vol = currentConfig.volume;
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596 emu_set_defconfig();
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597 ret = config_readsect(cfg, sect);
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598 currentConfig.volume = vol; // make vol global (bah)
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602 // read global config, and apply game_def.cfg on top
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603 make_config_cfg(cfg);
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604 config_readsect(cfg, NULL);
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605 ret = config_readsect("game_def.cfg", sect);
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610 lprintf("loaded cfg from sect \"%s\"\n", sect);
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614 plat_validate_config();
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616 // some sanity checks
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618 /* TODO: mv to plat_validate_config() */
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619 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
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620 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;
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621 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;
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623 if (currentConfig.volume < 0 || currentConfig.volume > 99)
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624 currentConfig.volume = 50;
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627 config_slot_current = config_slot;
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633 int emu_write_config(int is_game)
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635 char cfg[512], *game_sect = NULL;
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636 int ret, write_lrom = 0;
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640 make_config_cfg(cfg);
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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_make_rom_id();
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647 lprintf("emu_write_config: sect \"%s\"\n", game_sect);
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650 lprintf("emu_write_config: %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 /* always using built-in font */
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665 #define mk_text_out(name, type, val) \
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666 void name(int x, int y, const char *text) \
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668 int i, l, len = strlen(text); \
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669 type *screen = (type *)g_screen_ptr + x + y * g_screen_width; \
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671 for (i = 0; i < len; i++, screen += 8) \
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673 for (l = 0; l < 8; l++) \
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675 unsigned char fd = fontdata8x8[text[i] * 8 + l];\
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676 type *s = screen + l * g_screen_width; \
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677 if (fd&0x80) s[0] = val; \
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678 if (fd&0x40) s[1] = val; \
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679 if (fd&0x20) s[2] = val; \
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680 if (fd&0x10) s[3] = val; \
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681 if (fd&0x08) s[4] = val; \
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682 if (fd&0x04) s[5] = val; \
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683 if (fd&0x02) s[6] = val; \
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684 if (fd&0x01) s[7] = val; \
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689 mk_text_out(emu_textOut8, unsigned char, 0xf0)
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690 mk_text_out(emu_textOut16, unsigned short, 0xffff)
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695 void update_movie(void)
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697 int offs = Pico.m.frame_count*3 + 0x40;
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698 if (offs+3 > movie_size) {
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701 plat_status_msg("END OF MOVIE.");
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702 lprintf("END OF MOVIE.\n");
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705 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU
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706 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C
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707 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A
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708 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B
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709 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
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710 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C
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711 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A
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712 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B
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713 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
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714 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X
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715 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z
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716 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
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717 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X
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718 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z
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723 static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)
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725 return gzread(file, p, _n);
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729 static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)
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731 return gzwrite(file, p, _n);
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734 static int try_ropen_file(const char *fname)
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738 f = fopen(fname, "rb");
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746 char *emu_get_save_fname(int load, int is_sram, int slot)
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748 static char saveFname[512];
\r
753 romfname_ext(saveFname, (PicoAHW&1) ? "brm"PATH_SEP : "srm"PATH_SEP, (PicoAHW&1) ? ".brm" : ".srm");
\r
755 if (try_ropen_file(saveFname)) return saveFname;
\r
756 // try in current dir..
\r
757 romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");
\r
758 if (try_ropen_file(saveFname)) return saveFname;
\r
759 return NULL; // give up
\r
765 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
\r
766 strcat(ext, (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds");
\r
768 romfname_ext(saveFname, "mds" PATH_SEP, ext);
\r
770 if (try_ropen_file(saveFname)) return saveFname;
\r
771 romfname_ext(saveFname, NULL, ext);
\r
772 if (try_ropen_file(saveFname)) return saveFname;
\r
773 // no gzipped states, search for non-gzipped
\r
774 if (currentConfig.EmuOpt & EOPT_GZIP_SAVES)
\r
777 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
\r
778 strcat(ext, ".mds");
\r
780 romfname_ext(saveFname, "mds"PATH_SEP, ext);
\r
781 if (try_ropen_file(saveFname)) return saveFname;
\r
782 romfname_ext(saveFname, NULL, ext);
\r
783 if (try_ropen_file(saveFname)) return saveFname;
\r
792 int emu_check_save_file(int slot)
\r
794 return emu_get_save_fname(1, 0, slot) ? 1 : 0;
\r
797 void emu_setSaveStateCbs(int gz)
\r
800 areaRead = gzRead2;
\r
801 areaWrite = gzWrite2;
\r
802 areaEof = (areaeof *) gzeof;
\r
803 areaSeek = (areaseek *) gzseek;
\r
804 areaClose = (areaclose *) gzclose;
\r
806 areaRead = (arearw *) fread;
\r
807 areaWrite = (arearw *) fwrite;
\r
808 areaEof = (areaeof *) feof;
\r
809 areaSeek = (areaseek *) fseek;
\r
810 areaClose = (areaclose *) fclose;
\r
814 int emu_save_load_game(int load, int sram)
\r
819 // make save filename
\r
820 saveFname = emu_get_save_fname(load, sram, state_slot);
\r
821 if (saveFname == NULL) {
\r
823 plat_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");
\r
827 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
\r
833 unsigned char *sram_data;
\r
835 if (PicoAHW & PAHW_MCD)
\r
837 if (PicoOpt&POPT_EN_MCD_RAMCART) {
\r
838 sram_size = 0x12000;
\r
839 sram_data = SRam.data;
\r
841 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);
\r
843 sram_size = 0x2000;
\r
844 sram_data = Pico_mcd->bram;
\r
845 truncate = 0; // the .brm may contain RAM cart data after normal brm
\r
848 sram_size = SRam.end-SRam.start+1;
\r
849 if(Pico.m.sram_reg & 4) sram_size=0x2000;
\r
850 sram_data = SRam.data;
\r
852 if (!sram_data) return 0; // SRam forcefully disabled for this game
\r
856 sramFile = fopen(saveFname, "rb");
\r
857 if(!sramFile) return -1;
\r
858 fread(sram_data, 1, sram_size, sramFile);
\r
860 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))
\r
861 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);
\r
863 // sram save needs some special processing
\r
864 // see if we have anything to save
\r
865 for (; sram_size > 0; sram_size--)
\r
866 if (sram_data[sram_size-1]) break;
\r
869 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");
\r
870 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry
\r
871 if (!sramFile) return -1;
\r
872 ret = fwrite(sram_data, 1, sram_size, sramFile);
\r
873 ret = (ret != sram_size) ? -1 : 0;
\r
884 void *PmovFile = NULL;
\r
885 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)
\r
887 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {
\r
888 emu_setSaveStateCbs(1);
\r
889 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);
\r
894 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {
\r
895 emu_setSaveStateCbs(0);
\r
899 ret = PmovState(load ? 6 : 5, PmovFile);
\r
900 areaClose(PmovFile);
\r
902 if (load) Pico.m.dirtyPal=1;
\r
909 plat_status_msg(load ? "GAME LOADED" : "GAME SAVED");
\r
912 plat_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");
\r
920 void emu_set_fastforward(int set_on)
\r
922 static void *set_PsndOut = NULL;
\r
923 static int set_Frameskip, set_EmuOpt, is_on = 0;
\r
925 if (set_on && !is_on) {
\r
926 set_PsndOut = PsndOut;
\r
927 set_Frameskip = currentConfig.Frameskip;
\r
928 set_EmuOpt = currentConfig.EmuOpt;
\r
930 currentConfig.Frameskip = 8;
\r
931 currentConfig.EmuOpt &= ~4;
\r
932 currentConfig.EmuOpt |= 0x40000;
\r
934 plat_status_msg("FAST FORWARD");
\r
936 else if (!set_on && is_on) {
\r
937 PsndOut = set_PsndOut;
\r
938 currentConfig.Frameskip = set_Frameskip;
\r
939 currentConfig.EmuOpt = set_EmuOpt;
\r
945 static void emu_msg_tray_open(void)
\r
947 plat_status_msg("CD tray opened");
\r
950 void emu_reset_game(void)
\r
956 void run_events_pico(unsigned int events)
\r
960 if (events & PEV_PICO_SWINP) {
\r
962 if (pico_inp_mode > 2)
\r
964 switch (pico_inp_mode) {
\r
965 case 2: plat_status_msg("Input: Pen on Pad"); break;
\r
966 case 1: plat_status_msg("Input: Pen on Storyware"); break;
\r
967 case 0: plat_status_msg("Input: Joystick");
\r
968 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
\r
972 if (events & PEV_PICO_PPREV) {
\r
974 if (PicoPicohw.page < 0)
\r
975 PicoPicohw.page = 0;
\r
976 plat_status_msg("Page %i", PicoPicohw.page);
\r
978 if (events & PEV_PICO_PNEXT) {
\r
980 if (PicoPicohw.page > 6)
\r
981 PicoPicohw.page = 6;
\r
982 plat_status_msg("Page %i", PicoPicohw.page);
\r
985 if (pico_inp_mode == 0)
\r
988 /* handle other input modes */
\r
989 if (PicoPad[0] & 1) pico_pen_y--;
\r
990 if (PicoPad[0] & 2) pico_pen_y++;
\r
991 if (PicoPad[0] & 4) pico_pen_x--;
\r
992 if (PicoPad[0] & 8) pico_pen_x++;
\r
993 PicoPad[0] &= ~0x0f; // release UDLR
\r
995 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;
\r
996 if (pico_pen_y < 8)
\r
998 if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)
\r
999 pico_pen_y = 224 - PICO_PEN_ADJUST_Y;
\r
1000 if (pico_pen_x < 0)
\r
1002 if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)
\r
1003 pico_pen_x = lim_x - PICO_PEN_ADJUST_X;
\r
1005 PicoPicohw.pen_pos[0] = pico_pen_x;
\r
1006 if (!(Pico.video.reg[12] & 1))
\r
1007 PicoPicohw.pen_pos[0] += pico_pen_x / 4;
\r
1008 PicoPicohw.pen_pos[0] += 0x3c;
\r
1009 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);
\r
1012 static void do_turbo(int *pad, int acts)
\r
1014 static int turbo_pad = 0;
\r
1015 static unsigned char turbo_cnt[3] = { 0, 0, 0 };
\r
1016 int inc = currentConfig.turbo_rate * 2;
\r
1018 if (acts & 0x1000) {
\r
1019 turbo_cnt[0] += inc;
\r
1020 if (turbo_cnt[0] >= 60)
\r
1021 turbo_pad ^= 0x10, turbo_cnt[0] = 0;
\r
1023 if (acts & 0x2000) {
\r
1024 turbo_cnt[1] += inc;
\r
1025 if (turbo_cnt[1] >= 60)
\r
1026 turbo_pad ^= 0x20, turbo_cnt[1] = 0;
\r
1028 if (acts & 0x4000) {
\r
1029 turbo_cnt[2] += inc;
\r
1030 if (turbo_cnt[2] >= 60)
\r
1031 turbo_pad ^= 0x40, turbo_cnt[2] = 0;
\r
1033 *pad |= turbo_pad & (acts >> 8);
\r
1036 static void run_events_ui(unsigned int which)
\r
1038 if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))
\r
1041 if ( emu_check_save_file(state_slot) &&
\r
1042 (((which & PEV_STATE_LOAD) && (currentConfig.EmuOpt & EOPT_CONFIRM_LOAD)) ||
\r
1043 ((which & PEV_STATE_SAVE) && (currentConfig.EmuOpt & EOPT_CONFIRM_SAVE))) )
\r
1049 strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");
\r
1050 len = strlen(tmp);
\r
1051 nm = in_get_key_name(-1, -PBTN_MA3);
\r
1052 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);
\r
1053 len = strlen(tmp);
\r
1054 nm = in_get_key_name(-1, -PBTN_MBACK);
\r
1055 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);
\r
1057 plat_status_msg_busy_first(tmp);
\r
1059 in_set_blocking(1);
\r
1060 while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))
\r
1062 while ( !((keys = in_menu_wait_any(50)) & (PBTN_MA3|PBTN_MBACK)) )
\r
1064 if (keys & PBTN_MBACK)
\r
1066 while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))
\r
1068 in_set_blocking(0);
\r
1071 plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING GAME" : "SAVING GAME");
\r
1072 PicoStateProgressCB = plat_status_msg_busy_next;
\r
1073 emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);
\r
1074 PicoStateProgressCB = NULL;
\r
1077 if (which & PEV_SWITCH_RND)
\r
1079 plat_video_toggle_renderer(1, 0);
\r
1081 if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))
\r
1083 if (which & PEV_SSLOT_PREV) {
\r
1085 if (state_slot < 0)
\r
1089 if (state_slot > 9)
\r
1093 plat_status_msg("SAVE SLOT %i [%s]", state_slot,
\r
1094 emu_check_save_file(state_slot) ? "USED" : "FREE");
\r
1096 if (which & PEV_MENU)
\r
1097 engineState = PGS_Menu;
\r
1100 void emu_update_input(void)
\r
1102 static int prev_events = 0;
\r
1103 int actions[IN_BINDTYPE_COUNT] = { 0, };
\r
1104 int pl_actions[2];
\r
1107 in_update(actions);
\r
1109 pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];
\r
1110 pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;
\r
1112 PicoPad[0] = pl_actions[0] & 0xfff;
\r
1113 PicoPad[1] = pl_actions[1] & 0xfff;
\r
1115 if (pl_actions[0] & 0x7000)
\r
1116 do_turbo(&PicoPad[0], pl_actions[0]);
\r
1117 if (pl_actions[1] & 0x7000)
\r
1118 do_turbo(&PicoPad[1], pl_actions[1]);
\r
1120 events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
\r
1122 // volume is treated in special way and triggered every frame
\r
1123 if (events & (PEV_VOL_DOWN|PEV_VOL_UP))
\r
1124 plat_update_volume(1, events & PEV_VOL_UP);
\r
1126 if ((events ^ prev_events) & PEV_FF) {
\r
1127 emu_set_fastforward(events & PEV_FF);
\r
1128 plat_update_volume(0, 0);
\r
1132 events &= ~prev_events;
\r
1134 if (PicoAHW == PAHW_PICO)
\r
1135 run_events_pico(events);
\r
1137 run_events_ui(events);
\r
1141 prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
\r
1144 static void mkdir_path(char *path_with_reserve, int pos, const char *name)
\r
1146 strcpy(path_with_reserve + pos, name);
\r
1147 if (plat_is_dir(path_with_reserve))
\r
1149 if (mkdir(path_with_reserve, 0777) < 0)
\r
1150 lprintf("failed to create: %s\n", path_with_reserve);
\r
1153 void emu_init(void)
\r
1158 /* make dirs for saves */
\r
1159 pos = plat_get_root_dir(path, sizeof(path) - 4);
\r
1160 mkdir_path(path, pos, "mds");
\r
1161 mkdir_path(path, pos, "srm");
\r
1162 mkdir_path(path, pos, "brm");
\r
1164 make_config_cfg(path);
\r
1165 config_readlrom(path);
\r
1168 PicoMessage = plat_status_msg_busy_next;
\r
1169 PicoMCDopenTray = emu_msg_tray_open;
\r
1170 PicoMCDcloseTray = menu_loop_tray;
\r
1173 void emu_finish(void)
\r
1176 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {
\r
1177 emu_save_load_game(0, 1);
\r
1181 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {
\r
1183 make_config_cfg(cfg);
\r
1184 config_writelrom(cfg);
\r