3 * (C) notaz, 2007-2010
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5 * This work is licensed under the terms of MAME license.
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6 * See COPYING file in the top-level directory.
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17 #include "../libpicofe/posix.h"
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18 #include "../libpicofe/input.h"
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19 #include "../libpicofe/fonts.h"
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20 #include "../libpicofe/sndout.h"
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21 #include "../libpicofe/lprintf.h"
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22 #include "../libpicofe/plat.h"
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24 #include "input_pico.h"
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25 #include "menu_pico.h"
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26 #include "config_file.h"
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28 #include <pico/pico_int.h>
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29 #include <pico/patch.h>
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32 #define PATH_SEP "/"
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33 #define PATH_SEP_C '/'
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35 #define PATH_SEP "\\"
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36 #define PATH_SEP_C '\\'
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39 #define STATUS_MSG_TIMEOUT 2000
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43 int g_screen_width = 320;
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44 int g_screen_height = 240;
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46 const char *PicoConfigFile = "config2.cfg";
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47 currentConfig_t currentConfig, defaultConfig;
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49 int config_slot = 0, config_slot_current = 0;
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50 int pico_pen_x = 320/2, pico_pen_y = 240/2;
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52 int flip_after_sync;
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53 int engineState = PGS_Menu;
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55 static short __attribute__((aligned(4))) sndBuffer[2*44100/50];
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57 /* tmp buff to reduce stack usage for plats with small stack */
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58 static char static_buff[512];
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59 const char *rom_fname_reload;
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60 char rom_fname_loaded[512];
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61 int reset_timing = 0;
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62 static unsigned int notice_msg_time; /* when started showing */
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63 static char noticeMsg[40];
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65 unsigned char *movie_data = NULL;
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66 static int movie_size = 0;
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69 /* don't use tolower() for easy old glibc binary compatibility */
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70 static void strlwr_(char *string)
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73 for (p = string; *p; p++)
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74 if ('A' <= *p && *p <= 'Z')
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78 static int try_rfn_cut(char *fname)
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83 p = fname + strlen(fname) - 1;
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84 for (; p > fname; p--)
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85 if (*p == '.') break;
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88 if((tmp = fopen(fname, "rb"))) {
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95 static void get_ext(const char *file, char *ext)
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99 p = file + strlen(file) - 4;
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100 if (p < file) p = file;
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101 strncpy(ext, p, 4);
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106 static void fname_ext(char *dst, int dstlen, const char *prefix, const char *ext, const char *fname)
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108 int prefix_len = 0;
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113 int len = plat_get_root_dir(dst, dstlen);
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114 strcpy(dst + len, prefix);
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115 prefix_len = len + strlen(prefix);
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118 p = fname + strlen(fname) - 1;
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119 for (; p >= fname && *p != PATH_SEP_C; p--)
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122 strncpy(dst + prefix_len, p, dstlen - prefix_len - 1);
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124 dst[dstlen - 8] = 0;
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125 if (dst[strlen(dst) - 4] == '.')
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126 dst[strlen(dst) - 4] = 0;
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131 static void romfname_ext(char *dst, int dstlen, const char *prefix, const char *ext)
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133 fname_ext(dst, dstlen, prefix, ext, rom_fname_loaded);
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136 void emu_status_msg(const char *format, ...)
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141 va_start(vl, format);
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142 ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);
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145 /* be sure old text gets overwritten */
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146 for (; ret < 28; ret++)
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147 noticeMsg[ret] = ' ';
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148 noticeMsg[ret] = 0;
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150 notice_msg_time = plat_get_ticks_ms();
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153 static const char * const biosfiles_us[] = {
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154 "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303", "bios_CD_U"
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156 static const char * const biosfiles_eu[] = {
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157 "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303", "bios_CD_E"
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159 static const char * const biosfiles_jp[] = {
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160 "jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J"
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163 static const char *find_bios(int *region, const char *cd_fname)
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166 const char * const *files;
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170 // we need to have config loaded at this point
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171 ret = emu_read_config(cd_fname, 0);
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172 if (!ret) emu_read_config(NULL, 0);
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174 if (PicoRegionOverride) {
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175 *region = PicoRegionOverride;
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176 lprintf("override region to %s\n", *region != 4 ?
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177 (*region == 8 ? "EU" : "JAP") : "USA");
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180 if (*region == 4) { // US
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181 files = biosfiles_us;
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182 count = sizeof(biosfiles_us) / sizeof(char *);
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183 } else if (*region == 8) { // EU
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184 files = biosfiles_eu;
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185 count = sizeof(biosfiles_eu) / sizeof(char *);
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186 } else if (*region == 1 || *region == 2) {
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187 files = biosfiles_jp;
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188 count = sizeof(biosfiles_jp) / sizeof(char *);
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193 for (i = 0; i < count; i++)
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195 emu_make_path(static_buff, files[i], sizeof(static_buff) - 4);
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196 strcat(static_buff, ".bin");
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197 f = fopen(static_buff, "rb");
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200 static_buff[strlen(static_buff) - 4] = 0;
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201 strcat(static_buff, ".zip");
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202 f = fopen(static_buff, "rb");
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207 lprintf("using bios: %s\n", static_buff);
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209 return static_buff;
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211 sprintf(static_buff, "no %s BIOS files found, read docs",
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212 *region != 4 ? (*region == 8 ? "EU" : "JAP") : "USA");
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213 menu_update_msg(static_buff);
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218 /* check if the name begins with BIOS name */
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220 static int emu_isBios(const char *name)
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223 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)
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224 if (strstr(name, biosfiles_us[i]) != NULL) return 1;
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225 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)
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226 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;
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227 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)
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228 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;
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233 static int extract_text(char *dest, const unsigned char *src, int len, int swab)
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238 if (swab) swab = 1;
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240 for (i = len - 1; i >= 0; i--)
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242 if (src[i^swab] != ' ') break;
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246 for (i = 0; i < len; i++)
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248 unsigned char s = src[i^swab];
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249 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&
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250 s != '[' && s != ']' && s != '\\')
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256 sprintf(p, "\\%02x", s);
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264 static char *emu_make_rom_id(const char *fname)
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266 static char id_string[3+0xe*3+0x3*3+0x30*3+3];
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269 if (PicoAHW & PAHW_MCD) {
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270 strcpy(id_string, "CD|");
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273 else if (PicoAHW & PAHW_SMS)
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274 strcpy(id_string, "MS|");
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275 else strcpy(id_string, "MD|");
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278 if (!(PicoAHW & PAHW_SMS)) {
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279 pos += extract_text(id_string + pos, media_id_header + 0x80, 0x0e, swab); // serial
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280 id_string[pos] = '|'; pos++;
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281 pos += extract_text(id_string + pos, media_id_header + 0xf0, 0x03, swab); // region
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282 id_string[pos] = '|'; pos++;
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283 pos += extract_text(id_string + pos, media_id_header + 0x50, 0x30, swab); // overseas name
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284 id_string[pos] = 0;
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290 // can't find name in ROM, use filename
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291 fname_ext(id_string + 3, sizeof(id_string) - 3, NULL, NULL, fname);
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296 // buffer must be at least 150 byte long
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297 void emu_get_game_name(char *str150)
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299 int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;
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302 ret = extract_text(str150, media_id_header + 0x50, 0x30, swab); // overseas name
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304 for (s = d = str150 + 1; s < str150+ret; s++)
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306 if (*s == 0) break;
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307 if (*s != ' ' || d[-1] != ' ')
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313 static void system_announce(void)
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315 const char *sys_name, *tv_standard, *extra = "";
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318 if (PicoAHW & PAHW_SMS) {
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319 sys_name = "Master System";
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321 extra = " [no support]";
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323 } else if (PicoAHW & PAHW_PICO) {
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325 } else if (PicoAHW & PAHW_MCD) {
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326 sys_name = "Mega CD";
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327 if ((Pico.m.hardware & 0xc0) == 0x80)
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328 sys_name = "Sega CD";
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329 } else if (PicoAHW & PAHW_32X) {
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332 sys_name = "MegaDrive";
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333 if ((Pico.m.hardware & 0xc0) == 0x80)
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334 sys_name = "Genesis";
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336 tv_standard = Pico.m.pal ? "PAL" : "NTSC";
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337 fps = Pico.m.pal ? 50 : 60;
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339 emu_status_msg("%s %s / %dFPS%s", tv_standard, sys_name, fps, extra);
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342 static void do_region_override(const char *media_fname)
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344 // we only need to override region if config tells us so
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345 int ret = emu_read_config(media_fname, 0);
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346 if (!ret) emu_read_config(NULL, 0);
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349 int emu_reload_rom(const char *rom_fname_in)
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351 char *rom_fname = NULL;
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353 enum media_type_e media_type;
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354 int menu_romload_started = 0;
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355 char carthw_path[512];
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358 lprintf("emu_ReloadRom(%s)\n", rom_fname_in);
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360 rom_fname = strdup(rom_fname_in);
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361 if (rom_fname == NULL)
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364 get_ext(rom_fname, ext);
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373 if (!strcmp(ext, ".gmv"))
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375 // check for both gmv and rom
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377 FILE *movie_file = fopen(rom_fname, "rb");
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379 menu_update_msg("Failed to open movie.");
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382 fseek(movie_file, 0, SEEK_END);
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383 movie_size = ftell(movie_file);
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384 fseek(movie_file, 0, SEEK_SET);
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385 if (movie_size < 64+3) {
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386 menu_update_msg("Invalid GMV file.");
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387 fclose(movie_file);
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390 movie_data = malloc(movie_size);
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391 if (movie_data == NULL) {
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392 menu_update_msg("low memory.");
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393 fclose(movie_file);
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396 dummy = fread(movie_data, 1, movie_size, movie_file);
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397 fclose(movie_file);
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398 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
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399 menu_update_msg("Invalid GMV file.");
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402 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
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404 menu_update_msg("Could't find a ROM for movie.");
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407 get_ext(rom_fname, ext);
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408 lprintf("gmv loaded for %s\n", rom_fname);
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410 else if (!strcmp(ext, ".pat"))
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413 PicoPatchLoad(rom_fname);
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414 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
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416 menu_update_msg("Could't find a ROM to patch.");
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419 get_ext(rom_fname, ext);
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422 menu_romload_prepare(rom_fname); // also CD load
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423 menu_romload_started = 1;
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425 emu_make_path(carthw_path, "carthw.cfg", sizeof(carthw_path));
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427 media_type = PicoLoadMedia(rom_fname, carthw_path,
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428 find_bios, do_region_override);
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430 switch (media_type) {
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431 case PM_BAD_DETECT:
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432 menu_update_msg("Not a ROM/CD img selected.");
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435 menu_update_msg("Invalid CD image");
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437 case PM_BAD_CD_NO_BIOS:
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438 // find_bios() prints a message
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441 menu_update_msg("Load error");
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447 // make quirks visible in UI
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448 if (PicoQuirks & PQUIRK_FORCE_6BTN)
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449 currentConfig.input_dev0 = PICO_INPUT_PAD_6BTN;
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451 menu_romload_end();
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452 menu_romload_started = 0;
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455 PicoPatchPrepare();
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459 // additional movie stuff
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462 enum input_device indev = (movie_data[0x14] == '6') ?
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463 PICO_INPUT_PAD_6BTN : PICO_INPUT_PAD_3BTN;
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464 PicoSetInputDevice(0, indev);
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465 PicoSetInputDevice(1, indev);
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467 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing
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468 if (movie_data[0xF] >= 'A') {
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469 if (movie_data[0x16] & 0x80) {
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470 PicoRegionOverride = 8;
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472 PicoRegionOverride = 4;
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475 // TODO: bits 6 & 5
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477 movie_data[0x18+30] = 0;
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478 emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);
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483 PicoOpt &= ~POPT_DIS_VDP_FIFO;
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486 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);
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487 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;
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489 // load SRAM for this ROM
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490 if (currentConfig.EmuOpt & EOPT_EN_SRAM)
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491 emu_save_load_game(1, 1);
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494 if (g_autostateld_opt) {
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495 int time, newest = 0, newest_slot = -1;
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498 for (slot = 0; slot < 10; slot++) {
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499 if (emu_check_save_file(slot, &time)) {
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500 if (time > newest) {
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502 newest_slot = slot;
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507 if (newest_slot >= 0) {
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508 lprintf("autoload slot %d\n", newest_slot);
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509 state_slot = newest_slot;
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510 emu_save_load_game(1, 0);
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513 lprintf("no save to autoload.\n");
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519 if (menu_romload_started)
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520 menu_romload_end();
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525 int emu_swap_cd(const char *fname)
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527 cd_img_type cd_type;
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530 cd_type = PicoCdCheck(fname, NULL);
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531 if (cd_type != CIT_NOT_CD)
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532 ret = Insert_CD(fname, cd_type);
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534 menu_update_msg("Load failed, invalid CD image?");
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538 strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);
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539 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;
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544 void emu_make_path(char *buff, const char *end, int size)
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548 end_len = strlen(end);
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549 pos = plat_get_root_dir(buff, size);
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550 strncpy(buff + pos, end, size - pos);
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551 buff[size - 1] = 0;
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552 if (pos + end_len > size - 1)
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553 lprintf("Warning: path truncated: %s\n", buff);
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556 static void make_config_cfg(char *cfg_buff_512)
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558 emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);
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559 if (config_slot != 0)
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561 char *p = strrchr(cfg_buff_512, '.');
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563 p = cfg_buff_512 + strlen(cfg_buff_512);
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564 sprintf(p, ".%i.cfg", config_slot);
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566 cfg_buff_512[511] = 0;
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569 void emu_prep_defconfig(void)
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571 memset(&defaultConfig, 0, sizeof(defaultConfig));
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572 defaultConfig.EmuOpt = 0x9d | EOPT_EN_CD_LEDS;
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573 defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |
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574 POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX |
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575 POPT_EN_SVP_DRC|POPT_ACC_SPRITES |
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576 POPT_EN_32X|POPT_EN_PWM;
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577 defaultConfig.s_PsndRate = 44100;
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578 defaultConfig.s_PicoRegion = 0; // auto
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579 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP
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580 defaultConfig.s_PicoCDBuffers = 0;
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581 defaultConfig.confirm_save = EOPT_CONFIRM_SAVE;
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582 defaultConfig.Frameskip = -1; // auto
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583 defaultConfig.input_dev0 = PICO_INPUT_PAD_3BTN;
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584 defaultConfig.input_dev1 = PICO_INPUT_PAD_3BTN;
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585 defaultConfig.volume = 50;
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586 defaultConfig.gamma = 100;
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587 defaultConfig.scaling = 0;
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588 defaultConfig.turbo_rate = 15;
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589 defaultConfig.msh2_khz = PICO_MSH2_HZ / 1000;
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590 defaultConfig.ssh2_khz = PICO_SSH2_HZ / 1000;
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592 // platform specific overrides
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593 pemu_prep_defconfig();
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596 void emu_set_defconfig(void)
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598 memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));
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599 PicoOpt = currentConfig.s_PicoOpt;
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600 PsndRate = currentConfig.s_PsndRate;
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601 PicoRegionOverride = currentConfig.s_PicoRegion;
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602 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
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603 PicoCDBuffers = currentConfig.s_PicoCDBuffers;
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606 int emu_read_config(const char *rom_fname, int no_defaults)
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612 emu_set_defconfig();
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614 if (rom_fname == NULL)
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617 make_config_cfg(cfg);
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618 ret = config_readsect(cfg, NULL);
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625 if (config_slot != 0)
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626 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);
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628 strcpy(ext, ".cfg");
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630 fname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext, rom_fname);
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632 // read user's config
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633 vol = currentConfig.volume;
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634 ret = config_readsect(cfg, NULL);
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635 currentConfig.volume = vol; // make vol global (bah)
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639 // read global config, and apply game_def.cfg on top
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640 make_config_cfg(cfg);
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641 config_readsect(cfg, NULL);
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643 emu_make_path(cfg, "game_def.cfg", sizeof(cfg));
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644 ret = config_readsect(cfg, emu_make_rom_id(rom_fname));
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648 pemu_validate_config();
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650 // some sanity checks
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652 /* TODO: mv to plat_validate_config() */
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653 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
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654 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;
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655 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;
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657 if (currentConfig.volume < 0 || currentConfig.volume > 99)
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658 currentConfig.volume = 50;
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661 config_slot_current = config_slot;
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667 int emu_write_config(int is_game)
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670 int ret, write_lrom = 0;
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674 make_config_cfg(cfg);
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679 if (config_slot != 0)
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680 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);
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682 strcpy(ext, ".cfg");
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684 romfname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext);
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687 lprintf("emu_write_config: %s ", cfg);
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688 ret = config_write(cfg);
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689 if (write_lrom) config_writelrom(cfg);
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693 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");
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695 if (ret == 0) config_slot_current = config_slot;
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700 /* always using built-in font */
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702 #define mk_text_out(name, type, val, topleft, step_x, step_y) \
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703 void name(int x, int y, const char *text) \
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705 int i, l, len = strlen(text); \
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706 type *screen = (type *)(topleft) + x * step_x + y * step_y; \
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708 for (i = 0; i < len; i++, screen += 8 * step_x) \
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710 for (l = 0; l < 8; l++) \
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712 unsigned char fd = fontdata8x8[text[i] * 8 + l];\
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713 type *s = screen + l * step_y; \
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714 if (fd&0x80) s[step_x * 0] = val; \
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715 if (fd&0x40) s[step_x * 1] = val; \
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716 if (fd&0x20) s[step_x * 2] = val; \
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717 if (fd&0x10) s[step_x * 3] = val; \
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718 if (fd&0x08) s[step_x * 4] = val; \
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719 if (fd&0x04) s[step_x * 5] = val; \
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720 if (fd&0x02) s[step_x * 6] = val; \
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721 if (fd&0x01) s[step_x * 7] = val; \
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726 mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_width)
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727 mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_width)
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728 mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,
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729 (char *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)
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730 mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,
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731 (short *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)
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736 void update_movie(void)
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738 int offs = Pico.m.frame_count*3 + 0x40;
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739 if (offs+3 > movie_size) {
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742 emu_status_msg("END OF MOVIE.");
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743 lprintf("END OF MOVIE.\n");
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746 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU
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747 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C
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748 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A
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749 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B
\r
750 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
\r
751 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C
\r
752 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A
\r
753 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B
\r
754 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
\r
755 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X
\r
756 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z
\r
757 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
\r
758 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X
\r
759 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z
\r
763 static int try_ropen_file(const char *fname, int *time)
\r
768 f = fopen(fname, "rb");
\r
770 if (time != NULL) {
\r
772 if (fstat(fileno(f), &st) == 0)
\r
773 *time = (int)st.st_mtime;
\r
781 char *emu_get_save_fname(int load, int is_sram, int slot, int *time)
\r
783 char *saveFname = static_buff;
\r
788 strcpy(ext, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");
\r
789 romfname_ext(saveFname, sizeof(static_buff),
\r
790 (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);
\r
794 if (try_ropen_file(saveFname, time))
\r
797 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);
\r
798 if (try_ropen_file(saveFname, time))
\r
803 const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";
\r
804 const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";
\r
806 if (slot > 0 && slot < 10)
\r
807 sprintf(ext, ".%i", slot);
\r
808 strcat(ext, ext_main);
\r
811 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);
\r
815 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);
\r
816 if (try_ropen_file(saveFname, time))
\r
819 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);
\r
820 if (try_ropen_file(saveFname, time))
\r
823 // try the other ext
\r
825 if (slot > 0 && slot < 10)
\r
826 sprintf(ext, ".%i", slot);
\r
827 strcat(ext, ext_othr);
\r
829 romfname_ext(saveFname, sizeof(static_buff), "mds"PATH_SEP, ext);
\r
830 if (try_ropen_file(saveFname, time))
\r
838 int emu_check_save_file(int slot, int *time)
\r
840 return emu_get_save_fname(1, 0, slot, time) ? 1 : 0;
\r
843 int emu_save_load_game(int load, int sram)
\r
848 // make save filename
\r
849 saveFname = emu_get_save_fname(load, sram, state_slot, NULL);
\r
850 if (saveFname == NULL) {
\r
852 emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");
\r
856 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
\r
862 unsigned char *sram_data;
\r
864 if (PicoAHW & PAHW_MCD)
\r
866 if (PicoOpt & POPT_EN_MCD_RAMCART) {
\r
867 sram_size = 0x12000;
\r
868 sram_data = SRam.data;
\r
870 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);
\r
872 sram_size = 0x2000;
\r
873 sram_data = Pico_mcd->bram;
\r
874 truncate = 0; // the .brm may contain RAM cart data after normal brm
\r
877 sram_size = SRam.size;
\r
878 sram_data = SRam.data;
\r
880 if (sram_data == NULL)
\r
881 return 0; // SRam forcefully disabled for this game
\r
885 sramFile = fopen(saveFname, "rb");
\r
888 ret = fread(sram_data, 1, sram_size, sramFile);
\r
889 ret = ret > 0 ? 0 : -1;
\r
891 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))
\r
892 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);
\r
894 // sram save needs some special processing
\r
895 // see if we have anything to save
\r
896 for (; sram_size > 0; sram_size--)
\r
897 if (sram_data[sram_size-1]) break;
\r
900 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");
\r
901 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry
\r
902 if (!sramFile) return -1;
\r
903 ret = fwrite(sram_data, 1, sram_size, sramFile);
\r
904 ret = (ret != sram_size) ? -1 : 0;
\r
915 ret = PicoState(saveFname, !load);
\r
920 emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");
\r
922 emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");
\r
930 void emu_set_fastforward(int set_on)
\r
932 static void *set_PsndOut = NULL;
\r
933 static int set_Frameskip, set_EmuOpt, is_on = 0;
\r
935 if (set_on && !is_on) {
\r
936 set_PsndOut = PsndOut;
\r
937 set_Frameskip = currentConfig.Frameskip;
\r
938 set_EmuOpt = currentConfig.EmuOpt;
\r
940 currentConfig.Frameskip = 8;
\r
941 currentConfig.EmuOpt &= ~4;
\r
942 currentConfig.EmuOpt |= 0x40000;
\r
944 emu_status_msg("FAST FORWARD");
\r
946 else if (!set_on && is_on) {
\r
947 PsndOut = set_PsndOut;
\r
948 currentConfig.Frameskip = set_Frameskip;
\r
949 currentConfig.EmuOpt = set_EmuOpt;
\r
955 static void emu_tray_open(void)
\r
957 engineState = PGS_TrayMenu;
\r
960 static void emu_tray_close(void)
\r
962 emu_status_msg("CD tray closed.");
\r
965 void emu_32x_startup(void)
\r
967 plat_video_toggle_renderer(0, 0); // HACK
\r
971 void emu_reset_game(void)
\r
977 void run_events_pico(unsigned int events)
\r
981 if (events & PEV_PICO_SWINP) {
\r
983 if (pico_inp_mode > 2)
\r
985 switch (pico_inp_mode) {
\r
986 case 2: emu_status_msg("Input: Pen on Pad"); break;
\r
987 case 1: emu_status_msg("Input: Pen on Storyware"); break;
\r
988 case 0: emu_status_msg("Input: Joystick");
\r
989 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
\r
993 if (events & PEV_PICO_PPREV) {
\r
995 if (PicoPicohw.page < 0)
\r
996 PicoPicohw.page = 0;
\r
997 emu_status_msg("Page %i", PicoPicohw.page);
\r
999 if (events & PEV_PICO_PNEXT) {
\r
1000 PicoPicohw.page++;
\r
1001 if (PicoPicohw.page > 6)
\r
1002 PicoPicohw.page = 6;
\r
1003 emu_status_msg("Page %i", PicoPicohw.page);
\r
1006 if (pico_inp_mode == 0)
\r
1009 /* handle other input modes */
\r
1010 if (PicoPad[0] & 1) pico_pen_y--;
\r
1011 if (PicoPad[0] & 2) pico_pen_y++;
\r
1012 if (PicoPad[0] & 4) pico_pen_x--;
\r
1013 if (PicoPad[0] & 8) pico_pen_x++;
\r
1014 PicoPad[0] &= ~0x0f; // release UDLR
\r
1016 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;
\r
1017 if (pico_pen_y < 8)
\r
1019 if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)
\r
1020 pico_pen_y = 224 - PICO_PEN_ADJUST_Y;
\r
1021 if (pico_pen_x < 0)
\r
1023 if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)
\r
1024 pico_pen_x = lim_x - PICO_PEN_ADJUST_X;
\r
1026 PicoPicohw.pen_pos[0] = pico_pen_x;
\r
1027 if (!(Pico.video.reg[12] & 1))
\r
1028 PicoPicohw.pen_pos[0] += pico_pen_x / 4;
\r
1029 PicoPicohw.pen_pos[0] += 0x3c;
\r
1030 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);
\r
1033 static void do_turbo(int *pad, int acts)
\r
1035 static int turbo_pad = 0;
\r
1036 static unsigned char turbo_cnt[3] = { 0, 0, 0 };
\r
1037 int inc = currentConfig.turbo_rate * 2;
\r
1039 if (acts & 0x1000) {
\r
1040 turbo_cnt[0] += inc;
\r
1041 if (turbo_cnt[0] >= 60)
\r
1042 turbo_pad ^= 0x10, turbo_cnt[0] = 0;
\r
1044 if (acts & 0x2000) {
\r
1045 turbo_cnt[1] += inc;
\r
1046 if (turbo_cnt[1] >= 60)
\r
1047 turbo_pad ^= 0x20, turbo_cnt[1] = 0;
\r
1049 if (acts & 0x4000) {
\r
1050 turbo_cnt[2] += inc;
\r
1051 if (turbo_cnt[2] >= 60)
\r
1052 turbo_pad ^= 0x40, turbo_cnt[2] = 0;
\r
1054 *pad |= turbo_pad & (acts >> 8);
\r
1057 static void run_events_ui(unsigned int which)
\r
1059 if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))
\r
1062 if ( emu_check_save_file(state_slot, NULL) &&
\r
1063 (((which & PEV_STATE_LOAD) && (currentConfig.confirm_save & EOPT_CONFIRM_LOAD)) ||
\r
1064 ((which & PEV_STATE_SAVE) && (currentConfig.confirm_save & EOPT_CONFIRM_SAVE))) )
\r
1070 strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");
\r
1071 len = strlen(tmp);
\r
1072 nm = in_get_key_name(-1, -PBTN_MA3);
\r
1073 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);
\r
1074 len = strlen(tmp);
\r
1075 nm = in_get_key_name(-1, -PBTN_MBACK);
\r
1076 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);
\r
1078 plat_status_msg_busy_first(tmp);
\r
1080 in_set_config_int(0, IN_CFG_BLOCKING, 1);
\r
1081 while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))
\r
1083 while ( !((keys = in_menu_wait_any(NULL, 50)) & (PBTN_MA3|PBTN_MBACK)) )
\r
1085 if (keys & PBTN_MBACK)
\r
1087 while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))
\r
1089 in_set_config_int(0, IN_CFG_BLOCKING, 0);
\r
1092 plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");
\r
1093 PicoStateProgressCB = plat_status_msg_busy_next;
\r
1094 emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);
\r
1095 PicoStateProgressCB = NULL;
\r
1098 if (which & PEV_SWITCH_RND)
\r
1100 plat_video_toggle_renderer(1, 0);
\r
1102 if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))
\r
1104 if (which & PEV_SSLOT_PREV) {
\r
1106 if (state_slot < 0)
\r
1110 if (state_slot > 9)
\r
1114 emu_status_msg("SAVE SLOT %i [%s]", state_slot,
\r
1115 emu_check_save_file(state_slot, NULL) ? "USED" : "FREE");
\r
1117 if (which & PEV_MENU)
\r
1118 engineState = PGS_Menu;
\r
1121 void emu_update_input(void)
\r
1123 static int prev_events = 0;
\r
1124 int actions[IN_BINDTYPE_COUNT] = { 0, };
\r
1125 int pl_actions[2];
\r
1128 in_update(actions);
\r
1130 pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];
\r
1131 pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;
\r
1133 PicoPad[0] = pl_actions[0] & 0xfff;
\r
1134 PicoPad[1] = pl_actions[1] & 0xfff;
\r
1136 if (pl_actions[0] & 0x7000)
\r
1137 do_turbo(&PicoPad[0], pl_actions[0]);
\r
1138 if (pl_actions[1] & 0x7000)
\r
1139 do_turbo(&PicoPad[1], pl_actions[1]);
\r
1141 events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
\r
1143 // volume is treated in special way and triggered every frame
\r
1144 if (events & (PEV_VOL_DOWN|PEV_VOL_UP))
\r
1145 plat_update_volume(1, events & PEV_VOL_UP);
\r
1147 if ((events ^ prev_events) & PEV_FF) {
\r
1148 emu_set_fastforward(events & PEV_FF);
\r
1149 plat_update_volume(0, 0);
\r
1153 events &= ~prev_events;
\r
1155 if (PicoAHW == PAHW_PICO)
\r
1156 run_events_pico(events);
\r
1158 run_events_ui(events);
\r
1162 prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
\r
1165 static void mkdir_path(char *path_with_reserve, int pos, const char *name)
\r
1167 strcpy(path_with_reserve + pos, name);
\r
1168 if (plat_is_dir(path_with_reserve))
\r
1170 if (mkdir(path_with_reserve, 0777) < 0)
\r
1171 lprintf("failed to create: %s\n", path_with_reserve);
\r
1174 void emu_cmn_forced_frame(int no_scale, int do_emu)
\r
1176 int po_old = PicoOpt;
\r
1178 memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);
\r
1180 PicoOpt &= ~POPT_ALT_RENDERER;
\r
1181 PicoOpt |= POPT_ACC_SPRITES;
\r
1183 PicoOpt |= POPT_EN_SOFTSCALE;
\r
1185 PicoDrawSetOutFormat(PDF_RGB555, 1);
\r
1186 Pico.m.dirtyPal = 1;
\r
1190 PicoFrameDrawOnly();
\r
1195 void emu_init(void)
\r
1201 // FIXME: handle through menu, etc
\r
1203 f = fopen("32X_M_BIOS.BIN", "rb");
\r
1204 p32x_bios_m = malloc(2048);
\r
1205 fread(p32x_bios_m, 1, 2048, f);
\r
1207 f = fopen("32X_S_BIOS.BIN", "rb");
\r
1208 p32x_bios_s = malloc(1024);
\r
1209 fread(p32x_bios_s, 1, 1024, f);
\r
1213 /* make dirs for saves */
\r
1214 pos = plat_get_root_dir(path, sizeof(path) - 4);
\r
1215 mkdir_path(path, pos, "mds");
\r
1216 mkdir_path(path, pos, "srm");
\r
1217 mkdir_path(path, pos, "brm");
\r
1218 mkdir_path(path, pos, "cfg");
\r
1222 make_config_cfg(path);
\r
1223 config_readlrom(path);
\r
1226 PicoMessage = plat_status_msg_busy_next;
\r
1227 PicoMCDopenTray = emu_tray_open;
\r
1228 PicoMCDcloseTray = emu_tray_close;
\r
1233 void emu_finish(void)
\r
1236 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {
\r
1237 emu_save_load_game(0, 1);
\r
1241 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {
\r
1243 make_config_cfg(cfg);
\r
1244 config_writelrom(cfg);
\r
1256 static void snd_write_nonblocking(int len)
\r
1258 sndout_write_nb(PsndOut, len);
\r
1261 void emu_sound_start(void)
\r
1265 if (currentConfig.EmuOpt & EOPT_EN_SOUND)
\r
1267 int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;
\r
1269 PsndRerate(Pico.m.frame_count ? 1 : 0);
\r
1271 printf("starting audio: %i len: %i stereo: %i, pal: %i\n",
\r
1272 PsndRate, PsndLen, is_stereo, Pico.m.pal);
\r
1273 sndout_start(PsndRate, is_stereo);
\r
1274 PicoWriteSound = snd_write_nonblocking;
\r
1275 plat_update_volume(0, 0);
\r
1276 memset(sndBuffer, 0, sizeof(sndBuffer));
\r
1277 PsndOut = sndBuffer;
\r
1281 void emu_sound_stop(void)
\r
1286 void emu_sound_wait(void)
\r
1291 static void emu_loop_prep(void)
\r
1293 static int pal_old = -1;
\r
1294 static int filter_old = -1;
\r
1296 if (currentConfig.CPUclock != plat_target_cpu_clock_get())
\r
1297 plat_target_cpu_clock_set(currentConfig.CPUclock);
\r
1299 if (Pico.m.pal != pal_old) {
\r
1300 plat_target_lcdrate_set(Pico.m.pal);
\r
1301 pal_old = Pico.m.pal;
\r
1304 if (currentConfig.filter != filter_old) {
\r
1305 plat_target_hwfilter_set(currentConfig.filter);
\r
1306 filter_old = currentConfig.filter;
\r
1309 printf("-- gamma %d\n", currentConfig.gamma);
\r
1310 plat_target_gamma_set(currentConfig.gamma, 0);
\r
1315 /* our tick here is 1 us right now */
\r
1316 #define ms_to_ticks(x) (unsigned int)(x * 1000)
\r
1317 #define get_ticks() plat_get_ticks_us()
\r
1319 void emu_loop(void)
\r
1321 int frames_done, frames_shown; /* actual frames for fps counter */
\r
1322 int target_frametime_x3;
\r
1323 unsigned int timestamp_x3 = 0;
\r
1324 unsigned int timestamp_aim_x3 = 0;
\r
1325 unsigned int timestamp_fps_x3 = 0;
\r
1326 char *notice_msg = NULL;
\r
1328 int fskip_cnt = 0;
\r
1332 PicoLoopPrepare();
\r
1334 // prepare CD buffer
\r
1335 if (PicoAHW & PAHW_MCD)
\r
1336 PicoCDBufferInit();
\r
1338 plat_video_loop_prepare();
\r
1340 pemu_sound_start();
\r
1342 /* number of ticks per frame */
\r
1344 target_frametime_x3 = 3 * ms_to_ticks(1000) / 50;
\r
1346 target_frametime_x3 = 3 * ms_to_ticks(1000) / 60;
\r
1349 frames_done = frames_shown = 0;
\r
1351 /* loop with resync every 1 sec. */
\r
1352 while (engineState == PGS_Running)
\r
1357 pprof_start(main);
\r
1359 if (reset_timing) {
\r
1361 plat_video_wait_vsync();
\r
1362 timestamp_aim_x3 = get_ticks() * 3;
\r
1363 timestamp_fps_x3 = timestamp_aim_x3;
\r
1366 else if (currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) {
\r
1367 timestamp_aim_x3 = get_ticks() * 3;
\r
1370 timestamp_x3 = get_ticks() * 3;
\r
1372 // show notice_msg message?
\r
1373 if (notice_msg_time != 0)
\r
1375 static int noticeMsgSum;
\r
1376 if (timestamp_x3 - ms_to_ticks(notice_msg_time) * 3
\r
1377 > ms_to_ticks(STATUS_MSG_TIMEOUT) * 3)
\r
1379 notice_msg_time = 0;
\r
1380 plat_status_msg_clear();
\r
1381 notice_msg = NULL;
\r
1384 int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];
\r
1385 if (sum != noticeMsgSum) {
\r
1386 plat_status_msg_clear();
\r
1387 noticeMsgSum = sum;
\r
1389 notice_msg = noticeMsg;
\r
1393 // second changed?
\r
1394 if (timestamp_x3 - timestamp_fps_x3 >= ms_to_ticks(1000) * 3)
\r
1397 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];
\r
1398 if (++bench == 10) {
\r
1400 bench_fps_s = bench_fps;
\r
1401 bf[bfp++ & 3] = bench_fps;
\r
1404 bench_fps += frames_shown;
\r
1405 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);
\r
1406 printf("%s\n", fpsbuff);
\r
1408 if (currentConfig.EmuOpt & EOPT_SHOW_FPS)
\r
1409 sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done);
\r
1411 frames_shown = frames_done = 0;
\r
1412 timestamp_fps_x3 += ms_to_ticks(1000) * 3;
\r
1415 sprintf(fpsbuff, "%i", Pico.m.frame_count);
\r
1418 diff = timestamp_aim_x3 - timestamp_x3;
\r
1420 if (currentConfig.Frameskip >= 0) // frameskip enabled (or 0)
\r
1422 if (fskip_cnt < currentConfig.Frameskip) {
\r
1430 else if (diff < -target_frametime_x3)
\r
1432 /* no time left for this frame - skip */
\r
1433 /* limit auto frameskip to 8 */
\r
1434 if (frames_done / 8 <= frames_shown)
\r
1438 // don't go in debt too much
\r
1439 while (diff < -target_frametime_x3 * 3) {
\r
1440 timestamp_aim_x3 += target_frametime_x3;
\r
1441 diff = timestamp_aim_x3 - timestamp_x3;
\r
1444 emu_update_input();
\r
1446 int do_audio = diff > -target_frametime_x3 * 2;
\r
1447 PicoSkipFrame = do_audio ? 1 : 2;
\r
1449 PicoSkipFrame = 0;
\r
1453 pemu_finalize_frame(fpsbuff, notice_msg);
\r
1457 timestamp_aim_x3 += target_frametime_x3;
\r
1459 if (!skip && !flip_after_sync)
\r
1460 plat_video_flip();
\r
1462 /* frame limiter */
\r
1463 if (!skip && !reset_timing
\r
1464 && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))
\r
1466 unsigned int timestamp = get_ticks();
\r
1467 diff = timestamp_aim_x3 - timestamp * 3;
\r
1469 // sleep or vsync if we are still too fast
\r
1470 if (diff > target_frametime_x3 && (currentConfig.EmuOpt & EOPT_VSYNC)) {
\r
1471 // we are too fast
\r
1472 plat_video_wait_vsync();
\r
1473 timestamp = get_ticks();
\r
1474 diff = timestamp * 3 - timestamp_aim_x3;
\r
1476 if (diff > target_frametime_x3) {
\r
1478 plat_wait_till_us(timestamp + (diff - target_frametime_x3) / 3);
\r
1482 if (!skip && flip_after_sync)
\r
1483 plat_video_flip();
\r
1488 emu_set_fastforward(0);
\r
1491 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {
\r
1492 plat_status_msg_busy_first("Writing SRAM/BRAM...");
\r
1493 emu_save_load_game(0, 1);
\r
1500 // pemu_loop_end() might want to do 1 frame for bg image,
\r
1501 // so free CD buffer here
\r
1502 if (PicoAHW & PAHW_MCD)
\r
1503 PicoCDBufferFree();
\r