1 // (c) Copyright 2006 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 <sys/time.h>
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9 #include <sys/stat.h>
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10 #include <sys/types.h>
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11 #include <linux/limits.h>
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21 #include "asmutils.h"
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22 #include "cpuctrl.h"
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24 #include <Pico/PicoInt.h>
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25 #include <Pico/Patch.h>
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26 #include <zlib/zlib.h>
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30 #define OSD_FPS_X 220
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32 #define OSD_FPS_X 260
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35 // PicoPad[] format: SACB RLDU
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36 char *actionNames[] = {
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37 "UP", "DOWN", "LEFT", "RIGHT", "B", "C", "A", "START",
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38 0, 0, 0, 0, 0, 0, 0, 0, // Z, Y, X, MODE (enabled only when needed), ?, ?, ?, ?
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39 0, 0, 0, 0, 0, 0, 0, "ENTER MENU", // player2_flag, ?, ?, ?, ?, ?, ?, menu
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40 "NEXT SAVE SLOT", "PREV SAVE SLOT", "SWITCH RENDERER", "SAVE STATE",
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41 "LOAD STATE", "VOLUME UP", "VOLUME DOWN", "DONE"
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45 int select_exits = 0;
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46 char *PicoConfigFile = "picoconfig.bin";
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47 currentConfig_t currentConfig;
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49 char romFileName[PATH_MAX];
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50 unsigned char *rom_data = NULL;
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52 extern int crashed_940;
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54 static short sndBuffer[2*44100/50];
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55 static char noticeMsg[64]; // notice msg to draw
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56 static struct timeval noticeMsgTime = { 0, 0 }; // when started showing
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57 static int osd_fps_x;
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58 static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos
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59 static int gp2x_old_gamma = 100;
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60 static unsigned char *movie_data = NULL;
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61 static int movie_size = 0;
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62 unsigned char *framebuff = 0; // temporary buffer for alt renderer
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64 int reset_timing = 0;
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68 static void strlwr(char* string)
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70 while ( (*string++ = (char)tolower(*string)) );
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73 static int try_rfn_cut(void)
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78 p = romFileName + strlen(romFileName) - 1;
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79 for (; p > romFileName; p--)
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80 if (*p == '.') break;
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83 if((tmp = fopen(romFileName, "rb"))) {
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90 static void get_ext(char *file, char *ext)
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94 p = file + strlen(file) - 4;
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95 if (p < file) p = file;
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101 char *biosfiles_us[] = { "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210" };
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102 char *biosfiles_eu[] = { "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210" };
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103 char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };
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105 extern char **g_argv;
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107 int find_bios(int region, char **bios_file)
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109 static char bios_path[1024];
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114 if (region == 4) { // US
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115 files = biosfiles_us;
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116 count = sizeof(biosfiles_us) / sizeof(char *);
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117 } else if (region == 8) { // EU
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118 files = biosfiles_eu;
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119 count = sizeof(biosfiles_eu) / sizeof(char *);
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120 } else if (region == 1 || region == 2) {
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121 files = biosfiles_jp;
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122 count = sizeof(biosfiles_jp) / sizeof(char *);
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127 for (i = 0; i < count; i++)
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129 strncpy(bios_path, g_argv[0], 1023);
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130 bios_path[1024-32] = 0;
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131 for (j = strlen(bios_path); j > 0; j--)
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132 if (bios_path[j] == '/') { bios_path[j+1] = 0; break; }
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133 strcat(bios_path, files[i]);
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134 strcat(bios_path, ".bin");
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135 f = fopen(bios_path, "rb");
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138 bios_path[strlen(bios_path) - 4] = 0;
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139 strcat(bios_path, ".zip");
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140 f = fopen(bios_path, "rb");
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145 printf("using bios: %s\n", bios_path);
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147 if (bios_file) *bios_file = bios_path;
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150 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",
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151 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
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152 printf("%s\n", menuErrorMsg);
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157 /* checks if romFileName points to valid MegaCD image
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158 * if so, checks for suitable BIOS */
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159 int emu_cd_check(char **bios_file)
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161 unsigned char buf[32];
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163 int type = 0, region = 4; // 1: Japan, 4: US, 8: Europe
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165 cd_f = pm_open(romFileName);
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166 if (!cd_f) return 0; // let the upper level handle this
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168 if (pm_read(buf, 32, cd_f) != 32) {
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173 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) type = 1; // Sega CD (ISO)
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174 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) type = 2; // Sega CD (BIN)
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180 /* it seems we have a CD image here. Try to detect region now.. */
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181 pm_seek(cd_f, (type == 1) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);
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182 pm_read(buf, 1, cd_f);
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185 if (buf[0] == 0x64) region = 8; // EU
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186 if (buf[0] == 0xa1) region = 1; // JAP
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188 printf("detected %s Sega/Mega CD image with %s region\n",
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189 type == 2 ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
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191 if (PicoRegionOverride) {
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192 region = PicoRegionOverride;
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193 printf("overrided region to %s\n", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
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196 if (bios_file == NULL) return type;
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198 if (find_bios(region, bios_file))
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199 return type; // CD and BIOS detected
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201 return -1; // CD detected but load failed
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204 int emu_ReloadRom(void)
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206 unsigned int rom_size = 0;
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207 char *used_rom_name = romFileName;
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212 printf("emu_ReloadRom(%s)\n", romFileName);
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214 get_ext(romFileName, ext);
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216 // detect wrong extensions
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217 if(!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz
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218 sprintf(menuErrorMsg, "Not a ROM selected.");
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224 // check for movie file
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229 if(!strcmp(ext, ".gmv")) {
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230 // check for both gmv and rom
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232 FILE *movie_file = fopen(romFileName, "rb");
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234 sprintf(menuErrorMsg, "Failed to open movie.");
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237 fseek(movie_file, 0, SEEK_END);
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238 movie_size = ftell(movie_file);
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239 fseek(movie_file, 0, SEEK_SET);
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240 if(movie_size < 64+3) {
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241 sprintf(menuErrorMsg, "Invalid GMV file.");
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242 fclose(movie_file);
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245 movie_data = malloc(movie_size);
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246 if(movie_data == NULL) {
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247 sprintf(menuErrorMsg, "low memory.");
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248 fclose(movie_file);
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251 fread(movie_data, 1, movie_size, movie_file);
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252 fclose(movie_file);
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253 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
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254 sprintf(menuErrorMsg, "Invalid GMV file.");
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257 dummy = try_rfn_cut() || try_rfn_cut();
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259 sprintf(menuErrorMsg, "Could't find a ROM for movie.");
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262 get_ext(romFileName, ext);
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264 else if (!strcmp(ext, ".pat")) {
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266 PicoPatchLoad(romFileName);
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267 dummy = try_rfn_cut() || try_rfn_cut();
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269 sprintf(menuErrorMsg, "Could't find a ROM to patch.");
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272 get_ext(romFileName, ext);
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275 // check for MegaCD image
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276 cd_state = emu_cd_check(&used_rom_name);
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277 if (cd_state > 0) {
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279 get_ext(used_rom_name, ext);
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280 } else if (cd_state == -1) {
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284 if (PicoMCD & 1) PicoExitMCD();
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288 rom = pm_open(used_rom_name);
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290 sprintf(menuErrorMsg, "Failed to open rom.");
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300 if( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {
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301 sprintf(menuErrorMsg, "PicoCartLoad() failed.");
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302 printf("%s\n", menuErrorMsg);
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308 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good
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309 if(rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||
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310 ((*(unsigned short *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {
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311 if (rom_data) free(rom_data);
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313 sprintf(menuErrorMsg, "Not a ROM selected.");
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317 // load config for this ROM (do this before insert to get correct region)
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318 ret = emu_ReadConfig(1);
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322 printf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);
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323 if(PicoCartInsert(rom_data, rom_size)) {
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324 sprintf(menuErrorMsg, "Failed to load ROM.");
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328 Pico.m.frame_count = 0;
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330 // insert CD if it was detected
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331 if (cd_state > 0) {
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332 ret = Insert_CD(romFileName, cd_state == 2);
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334 sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");
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335 printf("%s\n", menuErrorMsg);
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340 // emu_ReadConfig() might have messed currentConfig.lastRomFile
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341 strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);
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342 currentConfig.lastRomFile[sizeof(currentConfig.lastRomFile)-1] = 0;
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345 PicoPatchPrepare();
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349 // additional movie stuff
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351 if(movie_data[0x14] == '6')
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352 PicoOpt |= 0x20; // 6 button pad
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353 else PicoOpt &= ~0x20;
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354 PicoOpt |= 0x40; // accurate timing
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355 if(movie_data[0xF] >= 'A') {
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356 if(movie_data[0x16] & 0x80) {
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357 PicoRegionOverride = 8;
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359 PicoRegionOverride = 4;
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362 // TODO: bits 6 & 5
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364 movie_data[0x18+30] = 0;
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365 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);
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370 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");
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372 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");
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375 gettimeofday(¬iceMsgTime, 0);
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377 // load SRAM for this ROM
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378 if(currentConfig.EmuOpt & 1)
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379 emu_SaveLoadGame(1, 1);
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385 static void emu_msg_cb(const char *msg);
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386 static void emu_msg_tray_open(void);
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388 void emu_Init(void)
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390 // make temp buffer for alt renderer
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391 framebuff = malloc((8+320)*(8+240+8));
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394 printf("framebuff == 0\n");
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397 // make dirs for saves, cfgs, etc.
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398 mkdir("mds", 0777);
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399 mkdir("srm", 0777);
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400 mkdir("brm", 0777);
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401 mkdir("cfg", 0777);
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404 PicoMessage = emu_msg_cb;
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405 PicoMCDopenTray = emu_msg_tray_open;
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406 PicoMCDcloseTray = menu_loop_tray;
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410 static void romfname_ext(char *dst, const char *prefix, const char *ext)
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413 int prefix_len = 0;
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415 // make save filename
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416 for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;
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419 strcpy(dst, prefix);
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420 prefix_len = strlen(prefix);
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422 strncpy(dst + prefix_len, p, 511-prefix_len);
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424 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;
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425 if (ext) strcat(dst, ext);
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429 static void find_combos(void)
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433 // find out which keys and actions are combos
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434 combo_keys = combo_acts = 0;
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435 for (act = 0; act < 32; act++)
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438 if (act == 16) continue; // player2 flag
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439 for (u = 0; u < 32; u++)
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441 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;
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445 // loop again and mark those keys and actions as combo
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446 for (u = 0; u < 32; u++)
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448 if (currentConfig.KeyBinds[u] & (1 << act)) {
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449 combo_keys |= 1 << u;
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450 combo_acts |= 1 << act;
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455 // printf("combo keys/acts: %08x %08x\n", combo_keys, combo_acts);
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459 void scaling_update(void)
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461 PicoOpt &= ~0x4100;
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462 switch (currentConfig.scaling) {
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463 default: break; // off
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465 case 2: PicoOpt |= 0x0100; break; // hw hor+vert
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466 case 3: PicoOpt |= 0x4000; break; // sw hor
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471 int emu_ReadConfig(int game)
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479 // set default config
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480 memset(¤tConfig, 0, sizeof(currentConfig));
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481 currentConfig.lastRomFile[0] = 0;
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482 currentConfig.EmuOpt = 0x1f | 0x400; // | cd_leds
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483 currentConfig.PicoOpt = 0x0f | 0xe00; // | use_940 | cd_pcm | cd_cdda
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484 currentConfig.PsndRate = 22050; // 44100;
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485 currentConfig.PicoRegion = 0; // auto
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486 currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP
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487 currentConfig.Frameskip = -1; // auto
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488 currentConfig.CPUclock = 200;
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489 currentConfig.volume = 50;
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490 currentConfig.KeyBinds[ 0] = 1<<0; // SACB RLDU
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491 currentConfig.KeyBinds[ 4] = 1<<1;
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492 currentConfig.KeyBinds[ 2] = 1<<2;
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493 currentConfig.KeyBinds[ 6] = 1<<3;
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494 currentConfig.KeyBinds[14] = 1<<4;
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495 currentConfig.KeyBinds[13] = 1<<5;
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496 currentConfig.KeyBinds[12] = 1<<6;
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497 currentConfig.KeyBinds[ 8] = 1<<7;
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498 currentConfig.KeyBinds[15] = 1<<26; // switch rend
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499 currentConfig.KeyBinds[10] = 1<<27; // save state
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500 currentConfig.KeyBinds[11] = 1<<28; // load state
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501 currentConfig.KeyBinds[23] = 1<<29; // vol up
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502 currentConfig.KeyBinds[22] = 1<<30; // vol down
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503 currentConfig.gamma = 100;
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504 currentConfig.PicoCDBuffers = 64;
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505 currentConfig.scaling = 0;
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506 strncpy(cfg, PicoConfigFile, 511);
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509 romfname_ext(cfg, "cfg/", ".pbcfg");
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510 f = fopen(cfg, "rb");
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511 if (!f) romfname_ext(cfg, NULL, ".pbcfg");
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515 printf("emu_ReadConfig: %s ", cfg);
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516 f = fopen(cfg, "rb");
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518 bread = fread(¤tConfig, 1, sizeof(currentConfig), f);
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521 printf(bread > 0 ? "(ok)\n" : "(failed)\n");
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523 PicoOpt = currentConfig.PicoOpt;
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524 PsndRate = currentConfig.PsndRate;
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525 PicoRegionOverride = currentConfig.PicoRegion;
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526 PicoAutoRgnOrder = currentConfig.PicoAutoRgnOrder;
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527 PicoCDBuffers = currentConfig.PicoCDBuffers;
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528 if (PicoOpt & 0x20) {
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529 actionNames[ 8] = "Z"; actionNames[ 9] = "Y";
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530 actionNames[10] = "X"; actionNames[11] = "MODE";
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533 // some sanity checks
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534 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
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535 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;
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536 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;
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537 // if volume keys are unbound, bind them to volume control
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538 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {
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539 currentConfig.KeyBinds[23] = 1<<29; // vol up
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540 currentConfig.KeyBinds[22] = 1<<30; // vol down
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543 return (bread > 0); // == sizeof(currentConfig));
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547 int emu_WriteConfig(int game)
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555 strncpy(cfg, PicoConfigFile, 511);
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558 romfname_ext(cfg, "cfg/", ".pbcfg");
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561 printf("emu_WriteConfig: %s ", cfg);
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562 f = fopen(cfg, "wb");
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564 currentConfig.PicoOpt = PicoOpt;
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565 currentConfig.PsndRate = PsndRate;
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566 currentConfig.PicoRegion = PicoRegionOverride;
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567 currentConfig.PicoAutoRgnOrder = PicoAutoRgnOrder;
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568 currentConfig.PicoCDBuffers = PicoCDBuffers;
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569 bwrite = fwrite(¤tConfig, 1, sizeof(currentConfig), f);
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576 printf((bwrite == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");
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578 return (bwrite == sizeof(currentConfig));
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582 void emu_Deinit(void)
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585 if((currentConfig.EmuOpt & 1) && SRam.changed) {
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586 emu_SaveLoadGame(0, 1);
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590 if (!(currentConfig.EmuOpt & 0x20)) {
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591 FILE *f = fopen(PicoConfigFile, "r+b");
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592 if (!f) emu_WriteConfig(0);
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594 // if we already have config, reload it, except last ROM
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595 fseek(f, sizeof(currentConfig.lastRomFile), SEEK_SET);
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596 fread(¤tConfig.EmuOpt, 1, sizeof(currentConfig) - sizeof(currentConfig.lastRomFile), f);
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597 fseek(f, 0, SEEK_SET);
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598 fwrite(¤tConfig, 1, sizeof(currentConfig), f);
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612 if (gp2x_old_gamma != 100)
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617 void osd_text(int x, int y, const char *text)
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619 int len = strlen(text)*8;
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621 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {
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623 x &= ~3; // align x
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624 len = (len+3) >> 2;
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625 for (h = 0; h < 8; h++) {
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626 p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));
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627 for (i = len; i; i--, p++) *p = 0xe0e0e0e0;
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629 gp2x_text_out8_2(x, y, text, 0xf0);
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632 x &= ~1; // align x
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633 len = (len+1) >> 1;
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634 for (h = 0; h < 8; h++) {
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635 p = (int *) ((unsigned short *) gp2x_screen+x+320*(y+h));
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636 for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;
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638 gp2x_text_out15(x, y, text);
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642 static void cd_leds(void)
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647 // if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change
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648 old_reg = Pico_mcd->s68k_regs[0];
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650 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {
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652 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;
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653 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;
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654 *(unsigned int *)((char *)gp2x_screen + 320*2+ 4) =
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655 *(unsigned int *)((char *)gp2x_screen + 320*3+ 4) =
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656 *(unsigned int *)((char *)gp2x_screen + 320*4+ 4) = col_g;
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657 *(unsigned int *)((char *)gp2x_screen + 320*2+12) =
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658 *(unsigned int *)((char *)gp2x_screen + 320*3+12) =
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659 *(unsigned int *)((char *)gp2x_screen + 320*4+12) = col_r;
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662 unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+4);
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663 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;
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664 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;
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665 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;
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666 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;
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667 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;
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671 static int EmuScan16(unsigned int num, void *sdata)
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673 if (!(Pico.video.reg[1]&8)) num += 8;
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674 DrawLineDest = (unsigned short *) gp2x_screen + 320*(num+1);
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679 static int EmuScan8(unsigned int num, void *sdata)
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681 if (!(Pico.video.reg[1]&8)) num += 8;
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682 DrawLineDest = (unsigned char *) gp2x_screen + 320*(num+1);
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687 int localPal[0x100];
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688 static void (*vidCpyM2)(void *dest, void *src) = NULL;
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690 static void blit(const char *fps, const char *notice)
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692 int emu_opt = currentConfig.EmuOpt;
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694 if (PicoOpt&0x10) {
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695 // 8bit fast renderer
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696 if (Pico.m.dirtyPal) {
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697 Pico.m.dirtyPal = 0;
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698 vidConvCpyRGB32(localPal, Pico.cram, 0x40);
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699 // feed new palette to our device
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700 gp2x_video_setpalette(localPal, 0x40);
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702 vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);
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703 } else if (!(emu_opt&0x80)) {
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704 // 8bit accurate renderer
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705 if (Pico.m.dirtyPal) {
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706 Pico.m.dirtyPal = 0;
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707 if(Pico.video.reg[0xC]&8) { // shadow/hilight mode
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708 vidConvCpyRGB32(localPal, Pico.cram, 0x40);
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709 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);
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710 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);
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711 blockcpy(localPal+0xc0, localPal+0x40, 0x40*4);
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712 localPal[0xc0] = 0x0000c000;
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713 localPal[0xd0] = 0x00c00000;
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714 localPal[0xe0] = 0x00000000; // reserved pixels for OSD
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715 localPal[0xf0] = 0x00ffffff;
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716 gp2x_video_setpalette(localPal, 0x100);
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717 } else if (rendstatus & 0x20) { // mid-frame palette changes
\r
718 vidConvCpyRGB32(localPal, Pico.cram, 0x40);
\r
719 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);
\r
720 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);
\r
721 gp2x_video_setpalette(localPal, 0xc0);
\r
723 vidConvCpyRGB32(localPal, Pico.cram, 0x40);
\r
724 gp2x_video_setpalette(localPal, 0x40);
\r
729 if (notice || (emu_opt & 2)) {
\r
731 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 8;
\r
732 if (notice) osd_text(4, h, notice);
\r
734 osd_text(osd_fps_x, h, fps);
\r
736 if ((emu_opt & 0x400) && (PicoMCD & 1))
\r
739 //gp2x_video_wait_vsync();
\r
742 if (!(PicoOpt&0x10)) {
\r
743 if (!(Pico.video.reg[1]&8)) {
\r
744 if (currentConfig.EmuOpt&0x80) {
\r
745 DrawLineDest = (unsigned short *) gp2x_screen + 320*8;
\r
747 DrawLineDest = (unsigned char *) gp2x_screen + 320*8;
\r
750 DrawLineDest = gp2x_screen;
\r
756 // clears whole screen or just the notice area (in all buffers)
\r
757 static void clearArea(int full)
\r
759 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {
\r
761 if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);
\r
762 else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);
\r
764 // 16bit accurate renderer
\r
765 if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);
\r
766 else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);
\r
771 static void vidResetMode(void)
\r
773 if (PicoOpt&0x10) {
\r
774 gp2x_video_changemode(8);
\r
775 } else if (currentConfig.EmuOpt&0x80) {
\r
776 gp2x_video_changemode(15);
\r
777 PicoDrawSetColorFormat(1);
\r
778 PicoScan = EmuScan16;
\r
781 gp2x_video_changemode(8);
\r
782 PicoDrawSetColorFormat(2);
\r
783 PicoScan = EmuScan8;
\r
786 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {
\r
787 // setup pal for 8-bit modes
\r
788 localPal[0xc0] = 0x0000c000; // MCD LEDs
\r
789 localPal[0xd0] = 0x00c00000;
\r
790 localPal[0xe0] = 0x00000000; // reserved pixels for OSD
\r
791 localPal[0xf0] = 0x00ffffff;
\r
792 gp2x_video_setpalette(localPal, 0x100);
\r
793 gp2x_memset_all_buffers(0, 0xe0, 320*240);
\r
796 Pico.m.dirtyPal = 1;
\r
798 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))
\r
799 gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);
\r
800 else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);
\r
804 static void emu_msg_cb(const char *msg)
\r
806 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {
\r
808 gp2x_memset_all_buffers(320*232, 0xe0, 320*8);
\r
809 osd_text(4, 232, msg);
\r
810 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232, 320*232, 320*8);
\r
812 // 16bit accurate renderer
\r
813 gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);
\r
814 osd_text(4, 232, msg);
\r
815 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232*2, 320*232*2, 320*8*2);
\r
817 gettimeofday(¬iceMsgTime, 0);
\r
818 noticeMsgTime.tv_sec -= 2;
\r
820 /* assumption: emu_msg_cb gets called only when something slow is about to happen */
\r
824 static void emu_state_cb(const char *str)
\r
830 static void emu_msg_tray_open(void)
\r
832 strcpy(noticeMsg, "CD tray opened");
\r
833 gettimeofday(¬iceMsgTime, 0);
\r
836 static void RunEvents(unsigned int which)
\r
838 if(which & 0x1800) { // save or load (but not both)
\r
840 if (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200) && emu_check_save_file(state_slot)) {
\r
841 unsigned long keys;
\r
842 blit("", "OVERWRITE SAVE? (Y=yes, X=no)");
\r
843 while( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )
\r
845 if (keys & GP2X_X) do_it = 0;
\r
849 osd_text(4, 232, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");
\r
850 PicoStateProgressCB = emu_state_cb;
\r
851 gp2x_memcpy_all_buffers(gp2x_screen, 0, 320*240*2);
\r
852 emu_SaveLoadGame((which & 0x1000) >> 12, 0);
\r
853 PicoStateProgressCB = NULL;
\r
858 if(which & 0x0400) { // switch renderer
\r
859 if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }
\r
860 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;
\r
861 else currentConfig.EmuOpt &= ~0x80;
\r
865 if (PicoOpt&0x10) {
\r
866 strcpy(noticeMsg, " 8bit fast renderer");
\r
867 } else if (currentConfig.EmuOpt&0x80) {
\r
868 strcpy(noticeMsg, "16bit accurate renderer");
\r
870 strcpy(noticeMsg, " 8bit accurate renderer");
\r
873 gettimeofday(¬iceMsgTime, 0);
\r
875 if(which & 0x0300) {
\r
878 if(state_slot < 0) state_slot = 9;
\r
881 if(state_slot > 9) state_slot = 0;
\r
883 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_check_save_file(state_slot) ? "USED" : "FREE");
\r
884 gettimeofday(¬iceMsgTime, 0);
\r
886 if(which & 0x0080) {
\r
887 engineState = PGS_Menu;
\r
892 static void updateMovie(void)
\r
894 int offs = Pico.m.frame_count*3 + 0x40;
\r
895 if (offs+3 > movie_size) {
\r
898 strcpy(noticeMsg, "END OF MOVIE.");
\r
899 printf("END OF MOVIE.\n");
\r
900 gettimeofday(¬iceMsgTime, 0);
\r
903 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU
\r
904 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A
\r
905 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B
\r
906 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A
\r
907 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
\r
908 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A
\r
909 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B
\r
910 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A
\r
911 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
\r
912 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X
\r
913 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z
\r
914 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
\r
915 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X
\r
916 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z
\r
921 static void updateKeys(void)
\r
923 unsigned long keys, allActions[2] = { 0, 0 }, events;
\r
924 static unsigned long prevEvents = 0;
\r
927 keys = gp2x_joystick_read(0);
\r
928 if (keys & GP2X_SELECT) {
\r
929 engineState = select_exits ? PGS_Quit : PGS_Menu;
\r
930 // wait until select is released, so menu would not resume game
\r
931 while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);
\r
934 keys &= CONFIGURABLE_KEYS;
\r
936 for (i = 0; i < 32; i++)
\r
938 if (keys & (1 << i)) {
\r
939 int pl, acts = currentConfig.KeyBinds[i];
\r
940 if (!acts) continue;
\r
941 pl = (acts >> 16) & 1;
\r
942 if (combo_keys & (1 << i)) {
\r
943 int u = i+1, acts_c = acts & combo_acts;
\r
944 // let's try to find the other one
\r
946 for (; u < 32; u++)
\r
947 if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {
\r
948 allActions[pl] |= acts_c;
\r
949 keys &= ~((1 << i) | (1 << u));
\r
952 // add non-combo actions if combo ones were not found
\r
953 if (!acts_c || u == 32)
\r
954 allActions[pl] |= acts & ~combo_acts;
\r
956 allActions[pl] |= acts;
\r
962 if (num_of_joys > 0)
\r
964 gp2x_usbjoy_update();
\r
965 for (joy = 0; joy < num_of_joys; joy++) {
\r
966 int keys = gp2x_usbjoy_check2(joy);
\r
967 for (i = 0; i < 32; i++) {
\r
968 if (keys & (1 << i)) {
\r
969 int acts = currentConfig.JoyBinds[joy][i];
\r
970 int pl = (acts >> 16) & 1;
\r
971 allActions[pl] |= acts;
\r
977 PicoPad[0] = (unsigned short) allActions[0];
\r
978 PicoPad[1] = (unsigned short) allActions[1];
\r
980 events = (allActions[0] | allActions[1]) >> 16;
\r
982 // volume is treated in special way and triggered every frame
\r
983 if(events & 0x6000) {
\r
984 int vol = currentConfig.volume;
\r
985 if (events & 0x2000) {
\r
986 if (vol < 99) vol++;
\r
988 if (vol > 0) vol--;
\r
990 gp2x_sound_volume(vol, vol);
\r
991 sprintf(noticeMsg, "VOL: %02i", vol);
\r
992 gettimeofday(¬iceMsgTime, 0);
\r
993 currentConfig.volume = vol;
\r
996 events &= ~prevEvents;
\r
997 if (events) RunEvents(events);
\r
998 if (movie_data) updateMovie();
\r
1000 prevEvents = (allActions[0] | allActions[1]) >> 16;
\r
1004 static void updateSound(int len)
\r
1006 if (PicoOpt&8) len<<=1;
\r
1008 /* avoid writing audio when lagging behind to prevent audio lag */
\r
1009 if (PicoSkipFrame != 2)
\r
1010 gp2x_sound_write(PsndOut, len<<1);
\r
1014 static void SkipFrame(int do_audio)
\r
1016 PicoSkipFrame=do_audio ? 1 : 2;
\r
1022 void emu_forced_frame(void)
\r
1024 int po_old = PicoOpt;
\r
1029 if (!(Pico.video.reg[12]&1)) {
\r
1030 vidCpyM2 = vidCpyM2_32col;
\r
1032 } else vidCpyM2 = vidCpyM2_40col;
\r
1034 vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);
\r
1035 vidConvCpyRGB32(localPal, Pico.cram, 0x40);
\r
1036 gp2x_video_setpalette(localPal, 0x40);
\r
1041 static void simpleWait(int thissec, int lim_time)
\r
1043 struct timeval tval;
\r
1045 spend_cycles(1024);
\r
1046 gettimeofday(&tval, 0);
\r
1047 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;
\r
1049 while(tval.tv_usec < lim_time)
\r
1051 spend_cycles(1024);
\r
1052 gettimeofday(&tval, 0);
\r
1053 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;
\r
1058 void emu_Loop(void)
\r
1060 static int gp2x_old_clock = 200;
\r
1061 static int PsndRate_old = 0, PicoOpt_old = 0, PsndLen_real = 0, pal_old = 0;
\r
1062 char fpsbuff[24]; // fps count c string
\r
1063 struct timeval tval; // timing
\r
1064 int thissec = 0, frames_done = 0, frames_shown = 0, oldmodes = 0;
\r
1065 int target_fps, target_frametime, lim_time, i;
\r
1068 printf("entered emu_Loop()\n");
\r
1070 if (gp2x_old_clock != currentConfig.CPUclock) {
\r
1071 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);
\r
1072 set_FCLK(currentConfig.CPUclock);
\r
1073 gp2x_old_clock = currentConfig.CPUclock;
\r
1074 printf(" done\n");
\r
1077 if (gp2x_old_gamma != currentConfig.gamma) {
\r
1078 set_gamma(currentConfig.gamma);
\r
1079 gp2x_old_gamma = currentConfig.gamma;
\r
1080 printf("updated gamma to %i\n", currentConfig.gamma);
\r
1085 // make sure we are in correct mode
\r
1087 Pico.m.dirtyPal = 1;
\r
1088 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;
\r
1091 // pal/ntsc might have changed, reset related stuff
\r
1092 target_fps = Pico.m.pal ? 50 : 60;
\r
1093 target_frametime = 1000000/target_fps;
\r
1096 // prepare sound stuff
\r
1097 if(currentConfig.EmuOpt & 4) {
\r
1098 int snd_excess_add;
\r
1099 if(PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old || crashed_940) {
\r
1100 /* if 940 is turned off, we need it to be put back to sleep */
\r
1101 if (!(PicoOpt&0x200) && ((PicoOpt^PicoOpt_old)&0x200)) {
\r
1107 //excess_samples = PsndRate - PsndLen*target_fps;
\r
1108 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;
\r
1109 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n", PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);
\r
1110 gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);
\r
1111 gp2x_sound_volume(currentConfig.volume, currentConfig.volume);
\r
1112 PicoWriteSound = updateSound;
\r
1113 memset(sndBuffer, 0, sizeof(sndBuffer));
\r
1114 PsndOut = sndBuffer;
\r
1115 PsndRate_old = PsndRate;
\r
1116 PsndLen_real = PsndLen;
\r
1117 PicoOpt_old = PicoOpt;
\r
1118 pal_old = Pico.m.pal;
\r
1123 // prepare CD buffer
\r
1124 if (PicoMCD & 1) PicoCDBufferInit();
\r
1127 while (engineState == PGS_Running)
\r
1131 gettimeofday(&tval, 0);
\r
1132 if(reset_timing) {
\r
1134 thissec = tval.tv_sec;
\r
1135 frames_shown = frames_done = tval.tv_usec/target_frametime;
\r
1138 // show notice message?
\r
1139 if(noticeMsgTime.tv_sec) {
\r
1140 static int noticeMsgSum;
\r
1141 if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec
\r
1142 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;
\r
1146 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];
\r
1147 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }
\r
1148 notice = noticeMsg;
\r
1152 // check for mode changes
\r
1153 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);
\r
1154 if (modes != oldmodes) {
\r
1156 osd_fps_x = OSD_FPS_X;
\r
1158 vidCpyM2 = vidCpyM2_40col;
\r
1160 if (PicoOpt & 0x100) {
\r
1161 vidCpyM2 = vidCpyM2_32col_nobord;
\r
1163 osd_fps_x = OSD_FPS_X - 64;
\r
1165 vidCpyM2 = vidCpyM2_32col;
\r
1168 if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode
\r
1169 gp2x_video_RGB_setscaling(8, scalex, 224);
\r
1170 else gp2x_video_RGB_setscaling(0, scalex, 240);
\r
1175 // second changed?
\r
1176 if(thissec != tval.tv_sec) {
\r
1178 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];
\r
1179 if(++bench == 10) {
\r
1181 bench_fps_s = bench_fps;
\r
1182 bf[bfp++ & 3] = bench_fps;
\r
1185 bench_fps += frames_shown;
\r
1186 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);
\r
1188 if(currentConfig.EmuOpt & 2)
\r
1189 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);
\r
1191 thissec = tval.tv_sec;
\r
1193 if(PsndOut == 0 && currentConfig.Frameskip >= 0) {
\r
1194 frames_done = frames_shown = 0;
\r
1196 // it is quite common for this implementation to leave 1 fame unfinished
\r
1197 // when second changes, but we don't want buffer to starve.
\r
1198 if(PsndOut && frames_done < target_fps && frames_done > target_fps-5) {
\r
1200 SkipFrame(1); frames_done++;
\r
1203 frames_done -= target_fps; if (frames_done < 0) frames_done = 0;
\r
1204 frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;
\r
1205 if (frames_shown > frames_done) frames_shown = frames_done;
\r
1209 sprintf(fpsbuff, "%05i", Pico.m.frame_count);
\r
1211 lim_time = (frames_done+1) * target_frametime;
\r
1212 if(currentConfig.Frameskip >= 0) { // frameskip enabled
\r
1213 for(i = 0; i < currentConfig.Frameskip; i++) {
\r
1215 SkipFrame(1); frames_done++;
\r
1216 if (PsndOut) { // do framelimitting if sound is enabled
\r
1217 gettimeofday(&tval, 0);
\r
1218 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;
\r
1219 if(tval.tv_usec < lim_time) { // we are too fast
\r
1220 simpleWait(thissec, lim_time);
\r
1223 lim_time += target_frametime;
\r
1225 } else if(tval.tv_usec > lim_time) { // auto frameskip
\r
1226 // no time left for this frame - skip
\r
1227 if (tval.tv_usec - lim_time >= 0x300000) {
\r
1228 /* something caused a slowdown for us (disk access? cache flush?)
\r
1229 * try to recover by resetting timing... */
\r
1234 SkipFrame(tval.tv_usec < lim_time+target_frametime*2); frames_done++;
\r
1242 if (Pico.m.frame_count == 31563) {
\r
1244 f = fopen("ram_p.bin", "wb");
\r
1245 if (!f) { printf("!f\n"); exit(1); }
\r
1246 fwrite(Pico.ram, 1, 0x10000, f);
\r
1254 #define BYTE unsigned char
\r
1255 #define WORD unsigned short
\r
1258 BYTE IDLength; /* 00h Size of Image ID field */
\r
1259 BYTE ColorMapType; /* 01h Color map type */
\r
1260 BYTE ImageType; /* 02h Image type code */
\r
1261 WORD CMapStart; /* 03h Color map origin */
\r
1262 WORD CMapLength; /* 05h Color map length */
\r
1263 BYTE CMapDepth; /* 07h Depth of color map entries */
\r
1264 WORD XOffset; /* 08h X origin of image */
\r
1265 WORD YOffset; /* 0Ah Y origin of image */
\r
1266 WORD Width; /* 0Ch Width of image */
\r
1267 WORD Height; /* 0Eh Height of image */
\r
1268 BYTE PixelDepth; /* 10h Image pixel size */
\r
1269 BYTE ImageDescriptor; /* 11h Image descriptor byte */
\r
1270 } __attribute__((packed)) TGAHEAD;
\r
1271 static unsigned short oldscr[320*240];
\r
1272 FILE *f; char name[128]; int i;
\r
1274 memset(&TGAHEAD, 0, sizeof(TGAHEAD));
\r
1275 TGAHEAD.ImageType = 2;
\r
1276 TGAHEAD.Width = 320;
\r
1277 TGAHEAD.Height = 240;
\r
1278 TGAHEAD.PixelDepth = 16;
\r
1279 TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left
\r
1281 #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?
\r
1283 for (i = 0; i < 320*240; i++)
\r
1284 if(oldscr[i] != CONV(((unsigned short *)gp2x_screen)[i])) break;
\r
1287 for (i = 0; i < 320*240; i++)
\r
1288 oldscr[i] = CONV(((unsigned short *)gp2x_screen)[i]);
\r
1289 sprintf(name, "%05i.tga", Pico.m.frame_count);
\r
1290 f = fopen(name, "wb");
\r
1291 if (!f) { printf("!f\n"); exit(1); }
\r
1292 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);
\r
1293 fwrite(oldscr, 1, 320*240*2, f);
\r
1300 gettimeofday(&tval, 0);
\r
1301 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;
\r
1303 if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 0x300000) // slowdown detection
\r
1305 else if (PsndOut != NULL || currentConfig.Frameskip < 0)
\r
1307 // sleep if we are still too fast
\r
1308 // usleep sleeps for ~20ms minimum, so it is not a solution here
\r
1309 if(tval.tv_usec < lim_time)
\r
1311 // we are too fast
\r
1312 simpleWait(thissec, lim_time);
\r
1316 blit(fpsbuff, notice);
\r
1318 frames_done++; frames_shown++;
\r
1322 if (PicoMCD & 1) PicoCDBufferFree();
\r
1325 if((currentConfig.EmuOpt & 1) && SRam.changed) {
\r
1326 osd_text(4, 232, "Writing SRAM/BRAM..");
\r
1327 emu_SaveLoadGame(0, 1);
\r
1331 // if in 16bit mode, generate 8it image for menu background
\r
1332 if (!(PicoOpt&0x10) && (currentConfig.EmuOpt&0x80))
\r
1333 emu_forced_frame();
\r
1336 gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);
\r
1340 void emu_ResetGame(void)
\r
1347 size_t gzRead2(void *p, size_t _size, size_t _n, void *file)
\r
1349 return gzread(file, p, _n);
\r
1353 size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)
\r
1355 return gzwrite(file, p, _n);
\r
1358 static int try_ropen_file(const char *fname)
\r
1362 f = fopen(fname, "rb");
\r
1370 char *emu_GetSaveFName(int load, int is_sram, int slot)
\r
1372 static char saveFname[512];
\r
1377 romfname_ext(saveFname, (PicoMCD&1) ? "brm/" : "srm/", (PicoMCD&1) ? ".brm" : ".srm");
\r
1379 if (try_ropen_file(saveFname)) return saveFname;
\r
1380 // try in current dir..
\r
1381 romfname_ext(saveFname, NULL, (PicoMCD&1) ? ".brm" : ".srm");
\r
1382 if (try_ropen_file(saveFname)) return saveFname;
\r
1383 return NULL; // give up
\r
1389 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
\r
1390 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");
\r
1392 romfname_ext(saveFname, "mds/", ext);
\r
1394 if (try_ropen_file(saveFname)) return saveFname;
\r
1395 romfname_ext(saveFname, NULL, ext);
\r
1396 if (try_ropen_file(saveFname)) return saveFname;
\r
1397 if (currentConfig.EmuOpt & 8) {
\r
1399 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);
\r
1400 strcat(ext, ".mds");
\r
1402 romfname_ext(saveFname, "mds/", ext);
\r
1403 if (try_ropen_file(saveFname)) return saveFname;
\r
1404 romfname_ext(saveFname, NULL, ext);
\r
1405 if (try_ropen_file(saveFname)) return saveFname;
\r
1414 int emu_check_save_file(int slot)
\r
1416 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;
\r
1419 void emu_set_save_cbs(int gz)
\r
1422 areaRead = gzRead2;
\r
1423 areaWrite = gzWrite2;
\r
1424 areaEof = (areaeof *) gzeof;
\r
1425 areaSeek = (areaseek *) gzseek;
\r
1426 areaClose = (areaclose *) gzclose;
\r
1428 areaRead = (arearw *) fread;
\r
1429 areaWrite = (arearw *) fwrite;
\r
1430 areaEof = (areaeof *) feof;
\r
1431 areaSeek = (areaseek *) fseek;
\r
1432 areaClose = (areaclose *) fclose;
\r
1436 int emu_SaveLoadGame(int load, int sram)
\r
1441 // make save filename
\r
1442 saveFname = emu_GetSaveFName(load, sram, state_slot);
\r
1443 if (saveFname == NULL) {
\r
1445 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");
\r
1446 gettimeofday(¬iceMsgTime, 0);
\r
1451 printf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
\r
1456 unsigned char *sram_data;
\r
1458 sram_size = 0x2000;
\r
1459 sram_data = Pico_mcd->bram;
\r
1461 sram_size = SRam.end-SRam.start+1;
\r
1462 if(SRam.reg_back & 4) sram_size=0x2000;
\r
1463 sram_data = SRam.data;
\r
1465 if(!sram_data) return 0; // SRam forcefully disabled for this game
\r
1468 sramFile = fopen(saveFname, "rb");
\r
1469 if(!sramFile) return -1;
\r
1470 fread(sram_data, 1, sram_size, sramFile);
\r
1473 // sram save needs some special processing
\r
1474 // see if we have anything to save
\r
1475 for(; sram_size > 0; sram_size--)
\r
1476 if(sram_data[sram_size-1]) break;
\r
1479 sramFile = fopen(saveFname, "wb");
\r
1480 ret = fwrite(sram_data, 1, sram_size, sramFile);
\r
1481 ret = (ret != sram_size) ? -1 : 0;
\r
1492 void *PmovFile = NULL;
\r
1493 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0) {
\r
1494 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {
\r
1495 emu_set_save_cbs(1);
\r
1496 if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);
\r
1501 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {
\r
1502 emu_set_save_cbs(0);
\r
1506 ret = PmovState(load ? 6 : 5, PmovFile);
\r
1507 areaClose(PmovFile);
\r
1509 if (load) Pico.m.dirtyPal=1;
\r
1516 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");
\r
1519 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");
\r
1523 gettimeofday(¬iceMsgTime, 0);
\r