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 // use setting before rom config is loaded
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352 int autoload = g_autostateld_opt;
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353 char *rom_fname = NULL;
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355 enum media_type_e media_type;
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356 int menu_romload_started = 0;
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357 char carthw_path[512];
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360 lprintf("emu_ReloadRom(%s)\n", rom_fname_in);
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362 rom_fname = strdup(rom_fname_in);
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363 if (rom_fname == NULL)
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366 get_ext(rom_fname, ext);
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375 if (!strcmp(ext, ".gmv"))
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377 // check for both gmv and rom
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379 FILE *movie_file = fopen(rom_fname, "rb");
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381 menu_update_msg("Failed to open movie.");
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384 fseek(movie_file, 0, SEEK_END);
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385 movie_size = ftell(movie_file);
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386 fseek(movie_file, 0, SEEK_SET);
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387 if (movie_size < 64+3) {
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388 menu_update_msg("Invalid GMV file.");
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389 fclose(movie_file);
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392 movie_data = malloc(movie_size);
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393 if (movie_data == NULL) {
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394 menu_update_msg("low memory.");
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395 fclose(movie_file);
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398 dummy = fread(movie_data, 1, movie_size, movie_file);
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399 fclose(movie_file);
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400 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
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401 menu_update_msg("Invalid GMV file.");
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404 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
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406 menu_update_msg("Could't find a ROM for movie.");
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409 get_ext(rom_fname, ext);
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410 lprintf("gmv loaded for %s\n", rom_fname);
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412 else if (!strcmp(ext, ".pat"))
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415 PicoPatchLoad(rom_fname);
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416 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
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418 menu_update_msg("Could't find a ROM to patch.");
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421 get_ext(rom_fname, ext);
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424 menu_romload_prepare(rom_fname); // also CD load
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425 menu_romload_started = 1;
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427 emu_make_path(carthw_path, "carthw.cfg", sizeof(carthw_path));
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429 media_type = PicoLoadMedia(rom_fname, carthw_path,
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430 find_bios, do_region_override);
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432 switch (media_type) {
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433 case PM_BAD_DETECT:
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434 menu_update_msg("Not a ROM/CD img selected.");
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437 menu_update_msg("Invalid CD image");
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439 case PM_BAD_CD_NO_BIOS:
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440 // find_bios() prints a message
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443 menu_update_msg("Load error");
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449 // make quirks visible in UI
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450 if (PicoQuirks & PQUIRK_FORCE_6BTN)
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451 currentConfig.input_dev0 = PICO_INPUT_PAD_6BTN;
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453 menu_romload_end();
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454 menu_romload_started = 0;
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457 PicoPatchPrepare();
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461 // additional movie stuff
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464 enum input_device indev = (movie_data[0x14] == '6') ?
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465 PICO_INPUT_PAD_6BTN : PICO_INPUT_PAD_3BTN;
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466 PicoSetInputDevice(0, indev);
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467 PicoSetInputDevice(1, indev);
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469 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing
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470 if (movie_data[0xF] >= 'A') {
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471 if (movie_data[0x16] & 0x80) {
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472 PicoRegionOverride = 8;
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474 PicoRegionOverride = 4;
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477 // TODO: bits 6 & 5
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479 movie_data[0x18+30] = 0;
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480 emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);
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485 PicoOpt &= ~POPT_DIS_VDP_FIFO;
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488 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);
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489 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;
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491 // load SRAM for this ROM
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492 if (currentConfig.EmuOpt & EOPT_EN_SRAM)
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493 emu_save_load_game(1, 1);
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497 int time, newest = 0, newest_slot = -1;
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500 for (slot = 0; slot < 10; slot++) {
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501 if (emu_check_save_file(slot, &time)) {
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502 if (time > newest) {
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504 newest_slot = slot;
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509 if (newest_slot >= 0) {
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510 lprintf("autoload slot %d\n", newest_slot);
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511 state_slot = newest_slot;
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512 emu_save_load_game(1, 0);
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515 lprintf("no save to autoload.\n");
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521 if (menu_romload_started)
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522 menu_romload_end();
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527 int emu_swap_cd(const char *fname)
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529 cd_img_type cd_type;
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532 cd_type = PicoCdCheck(fname, NULL);
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533 if (cd_type != CIT_NOT_CD)
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534 ret = Insert_CD(fname, cd_type);
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536 menu_update_msg("Load failed, invalid CD image?");
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540 strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);
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541 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;
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546 void emu_make_path(char *buff, const char *end, int size)
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550 end_len = strlen(end);
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551 pos = plat_get_root_dir(buff, size);
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552 strncpy(buff + pos, end, size - pos);
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553 buff[size - 1] = 0;
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554 if (pos + end_len > size - 1)
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555 lprintf("Warning: path truncated: %s\n", buff);
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558 static void make_config_cfg(char *cfg_buff_512)
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560 emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);
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561 if (config_slot != 0)
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563 char *p = strrchr(cfg_buff_512, '.');
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565 p = cfg_buff_512 + strlen(cfg_buff_512);
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566 sprintf(p, ".%i.cfg", config_slot);
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568 cfg_buff_512[511] = 0;
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571 void emu_prep_defconfig(void)
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573 memset(&defaultConfig, 0, sizeof(defaultConfig));
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574 defaultConfig.EmuOpt = 0x9d | EOPT_EN_CD_LEDS;
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575 defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |
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576 POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX |
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577 POPT_EN_DRC|POPT_ACC_SPRITES |
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578 POPT_EN_32X|POPT_EN_PWM;
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579 defaultConfig.s_PsndRate = 44100;
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580 defaultConfig.s_PicoRegion = 0; // auto
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581 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP
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582 defaultConfig.s_PicoCDBuffers = 0;
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583 defaultConfig.confirm_save = EOPT_CONFIRM_SAVE;
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584 defaultConfig.Frameskip = -1; // auto
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585 defaultConfig.input_dev0 = PICO_INPUT_PAD_3BTN;
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586 defaultConfig.input_dev1 = PICO_INPUT_PAD_3BTN;
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587 defaultConfig.volume = 50;
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588 defaultConfig.gamma = 100;
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589 defaultConfig.scaling = 0;
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590 defaultConfig.turbo_rate = 15;
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591 defaultConfig.msh2_khz = PICO_MSH2_HZ / 1000;
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592 defaultConfig.ssh2_khz = PICO_SSH2_HZ / 1000;
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594 // platform specific overrides
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595 pemu_prep_defconfig();
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598 void emu_set_defconfig(void)
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600 memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));
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601 PicoOpt = currentConfig.s_PicoOpt;
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602 PsndRate = currentConfig.s_PsndRate;
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603 PicoRegionOverride = currentConfig.s_PicoRegion;
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604 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
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605 PicoCDBuffers = currentConfig.s_PicoCDBuffers;
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608 int emu_read_config(const char *rom_fname, int no_defaults)
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614 emu_set_defconfig();
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616 if (rom_fname == NULL)
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619 make_config_cfg(cfg);
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620 ret = config_readsect(cfg, NULL);
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627 if (config_slot != 0)
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628 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);
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630 strcpy(ext, ".cfg");
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632 fname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext, rom_fname);
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634 // read user's config
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635 vol = currentConfig.volume;
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636 ret = config_readsect(cfg, NULL);
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637 currentConfig.volume = vol; // make vol global (bah)
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641 // read global config, and apply game_def.cfg on top
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642 make_config_cfg(cfg);
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643 config_readsect(cfg, NULL);
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645 emu_make_path(cfg, "game_def.cfg", sizeof(cfg));
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646 ret = config_readsect(cfg, emu_make_rom_id(rom_fname));
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650 pemu_validate_config();
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652 // some sanity checks
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654 /* TODO: mv to plat_validate_config() */
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655 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
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656 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;
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657 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;
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659 if (currentConfig.volume < 0 || currentConfig.volume > 99)
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660 currentConfig.volume = 50;
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663 config_slot_current = config_slot;
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669 int emu_write_config(int is_game)
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672 int ret, write_lrom = 0;
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676 make_config_cfg(cfg);
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681 if (config_slot != 0)
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682 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);
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684 strcpy(ext, ".cfg");
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686 romfname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext);
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689 lprintf("emu_write_config: %s ", cfg);
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690 ret = config_write(cfg);
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691 if (write_lrom) config_writelrom(cfg);
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695 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");
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697 if (ret == 0) config_slot_current = config_slot;
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702 /* always using built-in font */
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704 #define mk_text_out(name, type, val, topleft, step_x, step_y) \
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705 void name(int x, int y, const char *text) \
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707 int i, l, len = strlen(text); \
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708 type *screen = (type *)(topleft) + x * step_x + y * step_y; \
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710 for (i = 0; i < len; i++, screen += 8 * step_x) \
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712 for (l = 0; l < 8; l++) \
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714 unsigned char fd = fontdata8x8[text[i] * 8 + l];\
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715 type *s = screen + l * step_y; \
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716 if (fd&0x80) s[step_x * 0] = val; \
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717 if (fd&0x40) s[step_x * 1] = val; \
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718 if (fd&0x20) s[step_x * 2] = val; \
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719 if (fd&0x10) s[step_x * 3] = val; \
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720 if (fd&0x08) s[step_x * 4] = val; \
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721 if (fd&0x04) s[step_x * 5] = val; \
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722 if (fd&0x02) s[step_x * 6] = val; \
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723 if (fd&0x01) s[step_x * 7] = val; \
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728 mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_width)
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729 mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_width)
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730 mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,
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731 (char *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)
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732 mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,
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733 (short *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)
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738 void update_movie(void)
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740 int offs = Pico.m.frame_count*3 + 0x40;
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741 if (offs+3 > movie_size) {
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744 emu_status_msg("END OF MOVIE.");
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745 lprintf("END OF MOVIE.\n");
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748 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU
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749 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C
\r
750 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A
\r
751 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B
\r
752 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
\r
753 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C
\r
754 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A
\r
755 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B
\r
756 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
\r
757 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X
\r
758 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z
\r
759 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
\r
760 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X
\r
761 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z
\r
765 static int try_ropen_file(const char *fname, int *time)
\r
770 f = fopen(fname, "rb");
\r
772 if (time != NULL) {
\r
774 if (fstat(fileno(f), &st) == 0)
\r
775 *time = (int)st.st_mtime;
\r
783 char *emu_get_save_fname(int load, int is_sram, int slot, int *time)
\r
785 char *saveFname = static_buff;
\r
790 strcpy(ext, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");
\r
791 romfname_ext(saveFname, sizeof(static_buff),
\r
792 (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);
\r
796 if (try_ropen_file(saveFname, time))
\r
799 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);
\r
800 if (try_ropen_file(saveFname, time))
\r
805 const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";
\r
806 const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";
\r
808 if (slot > 0 && slot < 10)
\r
809 sprintf(ext, ".%i", slot);
\r
810 strcat(ext, ext_main);
\r
813 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);
\r
817 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);
\r
818 if (try_ropen_file(saveFname, time))
\r
821 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);
\r
822 if (try_ropen_file(saveFname, time))
\r
825 // try the other ext
\r
827 if (slot > 0 && slot < 10)
\r
828 sprintf(ext, ".%i", slot);
\r
829 strcat(ext, ext_othr);
\r
831 romfname_ext(saveFname, sizeof(static_buff), "mds"PATH_SEP, ext);
\r
832 if (try_ropen_file(saveFname, time))
\r
840 int emu_check_save_file(int slot, int *time)
\r
842 return emu_get_save_fname(1, 0, slot, time) ? 1 : 0;
\r
845 int emu_save_load_game(int load, int sram)
\r
850 // make save filename
\r
851 saveFname = emu_get_save_fname(load, sram, state_slot, NULL);
\r
852 if (saveFname == NULL) {
\r
854 emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");
\r
858 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
\r
864 unsigned char *sram_data;
\r
866 if (PicoAHW & PAHW_MCD)
\r
868 if (PicoOpt & POPT_EN_MCD_RAMCART) {
\r
869 sram_size = 0x12000;
\r
870 sram_data = SRam.data;
\r
872 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);
\r
874 sram_size = 0x2000;
\r
875 sram_data = Pico_mcd->bram;
\r
876 truncate = 0; // the .brm may contain RAM cart data after normal brm
\r
879 sram_size = SRam.size;
\r
880 sram_data = SRam.data;
\r
882 if (sram_data == NULL)
\r
883 return 0; // SRam forcefully disabled for this game
\r
887 sramFile = fopen(saveFname, "rb");
\r
890 ret = fread(sram_data, 1, sram_size, sramFile);
\r
891 ret = ret > 0 ? 0 : -1;
\r
893 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))
\r
894 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);
\r
896 // sram save needs some special processing
\r
897 // see if we have anything to save
\r
898 for (; sram_size > 0; sram_size--)
\r
899 if (sram_data[sram_size-1]) break;
\r
902 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");
\r
903 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry
\r
904 if (!sramFile) return -1;
\r
905 ret = fwrite(sram_data, 1, sram_size, sramFile);
\r
906 ret = (ret != sram_size) ? -1 : 0;
\r
917 ret = PicoState(saveFname, !load);
\r
922 emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");
\r
924 emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");
\r
932 void emu_set_fastforward(int set_on)
\r
934 static void *set_PsndOut = NULL;
\r
935 static int set_Frameskip, set_EmuOpt, is_on = 0;
\r
937 if (set_on && !is_on) {
\r
938 set_PsndOut = PsndOut;
\r
939 set_Frameskip = currentConfig.Frameskip;
\r
940 set_EmuOpt = currentConfig.EmuOpt;
\r
942 currentConfig.Frameskip = 8;
\r
943 currentConfig.EmuOpt &= ~4;
\r
944 currentConfig.EmuOpt |= 0x40000;
\r
946 emu_status_msg("FAST FORWARD");
\r
948 else if (!set_on && is_on) {
\r
949 PsndOut = set_PsndOut;
\r
950 currentConfig.Frameskip = set_Frameskip;
\r
951 currentConfig.EmuOpt = set_EmuOpt;
\r
957 static void emu_tray_open(void)
\r
959 engineState = PGS_TrayMenu;
\r
962 static void emu_tray_close(void)
\r
964 emu_status_msg("CD tray closed.");
\r
967 void emu_32x_startup(void)
\r
969 plat_video_toggle_renderer(0, 0); // HACK
\r
973 void emu_reset_game(void)
\r
979 void run_events_pico(unsigned int events)
\r
983 if (events & PEV_PICO_SWINP) {
\r
985 if (pico_inp_mode > 2)
\r
987 switch (pico_inp_mode) {
\r
988 case 2: emu_status_msg("Input: Pen on Pad"); break;
\r
989 case 1: emu_status_msg("Input: Pen on Storyware"); break;
\r
990 case 0: emu_status_msg("Input: Joystick");
\r
991 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
\r
995 if (events & PEV_PICO_PPREV) {
\r
997 if (PicoPicohw.page < 0)
\r
998 PicoPicohw.page = 0;
\r
999 emu_status_msg("Page %i", PicoPicohw.page);
\r
1001 if (events & PEV_PICO_PNEXT) {
\r
1002 PicoPicohw.page++;
\r
1003 if (PicoPicohw.page > 6)
\r
1004 PicoPicohw.page = 6;
\r
1005 emu_status_msg("Page %i", PicoPicohw.page);
\r
1008 if (pico_inp_mode == 0)
\r
1011 /* handle other input modes */
\r
1012 if (PicoPad[0] & 1) pico_pen_y--;
\r
1013 if (PicoPad[0] & 2) pico_pen_y++;
\r
1014 if (PicoPad[0] & 4) pico_pen_x--;
\r
1015 if (PicoPad[0] & 8) pico_pen_x++;
\r
1016 PicoPad[0] &= ~0x0f; // release UDLR
\r
1018 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;
\r
1019 if (pico_pen_y < 8)
\r
1021 if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)
\r
1022 pico_pen_y = 224 - PICO_PEN_ADJUST_Y;
\r
1023 if (pico_pen_x < 0)
\r
1025 if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)
\r
1026 pico_pen_x = lim_x - PICO_PEN_ADJUST_X;
\r
1028 PicoPicohw.pen_pos[0] = pico_pen_x;
\r
1029 if (!(Pico.video.reg[12] & 1))
\r
1030 PicoPicohw.pen_pos[0] += pico_pen_x / 4;
\r
1031 PicoPicohw.pen_pos[0] += 0x3c;
\r
1032 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);
\r
1035 static void do_turbo(int *pad, int acts)
\r
1037 static int turbo_pad = 0;
\r
1038 static unsigned char turbo_cnt[3] = { 0, 0, 0 };
\r
1039 int inc = currentConfig.turbo_rate * 2;
\r
1041 if (acts & 0x1000) {
\r
1042 turbo_cnt[0] += inc;
\r
1043 if (turbo_cnt[0] >= 60)
\r
1044 turbo_pad ^= 0x10, turbo_cnt[0] = 0;
\r
1046 if (acts & 0x2000) {
\r
1047 turbo_cnt[1] += inc;
\r
1048 if (turbo_cnt[1] >= 60)
\r
1049 turbo_pad ^= 0x20, turbo_cnt[1] = 0;
\r
1051 if (acts & 0x4000) {
\r
1052 turbo_cnt[2] += inc;
\r
1053 if (turbo_cnt[2] >= 60)
\r
1054 turbo_pad ^= 0x40, turbo_cnt[2] = 0;
\r
1056 *pad |= turbo_pad & (acts >> 8);
\r
1059 static void run_events_ui(unsigned int which)
\r
1061 if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))
\r
1064 if ( emu_check_save_file(state_slot, NULL) &&
\r
1065 (((which & PEV_STATE_LOAD) && (currentConfig.confirm_save & EOPT_CONFIRM_LOAD)) ||
\r
1066 ((which & PEV_STATE_SAVE) && (currentConfig.confirm_save & EOPT_CONFIRM_SAVE))) )
\r
1072 strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");
\r
1073 len = strlen(tmp);
\r
1074 nm = in_get_key_name(-1, -PBTN_MA3);
\r
1075 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);
\r
1076 len = strlen(tmp);
\r
1077 nm = in_get_key_name(-1, -PBTN_MBACK);
\r
1078 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);
\r
1080 plat_status_msg_busy_first(tmp);
\r
1082 in_set_config_int(0, IN_CFG_BLOCKING, 1);
\r
1083 while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))
\r
1085 while ( !((keys = in_menu_wait_any(NULL, 50)) & (PBTN_MA3|PBTN_MBACK)) )
\r
1087 if (keys & PBTN_MBACK)
\r
1089 while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))
\r
1091 in_set_config_int(0, IN_CFG_BLOCKING, 0);
\r
1094 plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");
\r
1095 PicoStateProgressCB = plat_status_msg_busy_next;
\r
1096 emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);
\r
1097 PicoStateProgressCB = NULL;
\r
1100 if (which & PEV_SWITCH_RND)
\r
1102 plat_video_toggle_renderer(1, 0);
\r
1104 if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))
\r
1106 if (which & PEV_SSLOT_PREV) {
\r
1108 if (state_slot < 0)
\r
1112 if (state_slot > 9)
\r
1116 emu_status_msg("SAVE SLOT %i [%s]", state_slot,
\r
1117 emu_check_save_file(state_slot, NULL) ? "USED" : "FREE");
\r
1119 if (which & PEV_MENU)
\r
1120 engineState = PGS_Menu;
\r
1123 void emu_update_input(void)
\r
1125 static int prev_events = 0;
\r
1126 int actions[IN_BINDTYPE_COUNT] = { 0, };
\r
1127 int pl_actions[2];
\r
1130 in_update(actions);
\r
1132 pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];
\r
1133 pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;
\r
1135 PicoPad[0] = pl_actions[0] & 0xfff;
\r
1136 PicoPad[1] = pl_actions[1] & 0xfff;
\r
1138 if (pl_actions[0] & 0x7000)
\r
1139 do_turbo(&PicoPad[0], pl_actions[0]);
\r
1140 if (pl_actions[1] & 0x7000)
\r
1141 do_turbo(&PicoPad[1], pl_actions[1]);
\r
1143 events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
\r
1145 // volume is treated in special way and triggered every frame
\r
1146 if (events & (PEV_VOL_DOWN|PEV_VOL_UP))
\r
1147 plat_update_volume(1, events & PEV_VOL_UP);
\r
1149 if ((events ^ prev_events) & PEV_FF) {
\r
1150 emu_set_fastforward(events & PEV_FF);
\r
1151 plat_update_volume(0, 0);
\r
1155 events &= ~prev_events;
\r
1157 if (PicoAHW == PAHW_PICO)
\r
1158 run_events_pico(events);
\r
1160 run_events_ui(events);
\r
1164 prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
\r
1167 static void mkdir_path(char *path_with_reserve, int pos, const char *name)
\r
1169 strcpy(path_with_reserve + pos, name);
\r
1170 if (plat_is_dir(path_with_reserve))
\r
1172 if (mkdir(path_with_reserve, 0777) < 0)
\r
1173 lprintf("failed to create: %s\n", path_with_reserve);
\r
1176 void emu_cmn_forced_frame(int no_scale, int do_emu)
\r
1178 int po_old = PicoOpt;
\r
1180 memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);
\r
1182 PicoOpt &= ~POPT_ALT_RENDERER;
\r
1183 PicoOpt |= POPT_ACC_SPRITES;
\r
1185 PicoOpt |= POPT_EN_SOFTSCALE;
\r
1187 PicoDrawSetOutFormat(PDF_RGB555, 1);
\r
1188 Pico.m.dirtyPal = 1;
\r
1192 PicoFrameDrawOnly();
\r
1197 void emu_init(void)
\r
1203 // FIXME: handle through menu, etc
\r
1205 f = fopen("32X_M_BIOS.BIN", "rb");
\r
1206 p32x_bios_m = malloc(2048);
\r
1207 fread(p32x_bios_m, 1, 2048, f);
\r
1209 f = fopen("32X_S_BIOS.BIN", "rb");
\r
1210 p32x_bios_s = malloc(1024);
\r
1211 fread(p32x_bios_s, 1, 1024, f);
\r
1215 /* make dirs for saves */
\r
1216 pos = plat_get_root_dir(path, sizeof(path) - 4);
\r
1217 mkdir_path(path, pos, "mds");
\r
1218 mkdir_path(path, pos, "srm");
\r
1219 mkdir_path(path, pos, "brm");
\r
1220 mkdir_path(path, pos, "cfg");
\r
1224 make_config_cfg(path);
\r
1225 config_readlrom(path);
\r
1228 PicoMessage = plat_status_msg_busy_next;
\r
1229 PicoMCDopenTray = emu_tray_open;
\r
1230 PicoMCDcloseTray = emu_tray_close;
\r
1235 void emu_finish(void)
\r
1238 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {
\r
1239 emu_save_load_game(0, 1);
\r
1243 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {
\r
1245 make_config_cfg(cfg);
\r
1246 config_writelrom(cfg);
\r
1258 static void snd_write_nonblocking(int len)
\r
1260 sndout_write_nb(PsndOut, len);
\r
1263 void emu_sound_start(void)
\r
1267 if (currentConfig.EmuOpt & EOPT_EN_SOUND)
\r
1269 int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;
\r
1271 PsndRerate(Pico.m.frame_count ? 1 : 0);
\r
1273 printf("starting audio: %i len: %i stereo: %i, pal: %i\n",
\r
1274 PsndRate, PsndLen, is_stereo, Pico.m.pal);
\r
1275 sndout_start(PsndRate, is_stereo);
\r
1276 PicoWriteSound = snd_write_nonblocking;
\r
1277 plat_update_volume(0, 0);
\r
1278 memset(sndBuffer, 0, sizeof(sndBuffer));
\r
1279 PsndOut = sndBuffer;
\r
1283 void emu_sound_stop(void)
\r
1288 void emu_sound_wait(void)
\r
1293 static void emu_loop_prep(void)
\r
1295 static int pal_old = -1;
\r
1296 static int filter_old = -1;
\r
1298 if (currentConfig.CPUclock != plat_target_cpu_clock_get())
\r
1299 plat_target_cpu_clock_set(currentConfig.CPUclock);
\r
1301 if (Pico.m.pal != pal_old) {
\r
1302 plat_target_lcdrate_set(Pico.m.pal);
\r
1303 pal_old = Pico.m.pal;
\r
1306 if (currentConfig.filter != filter_old) {
\r
1307 plat_target_hwfilter_set(currentConfig.filter);
\r
1308 filter_old = currentConfig.filter;
\r
1311 plat_target_gamma_set(currentConfig.gamma, 0);
\r
1316 /* our tick here is 1 us right now */
\r
1317 #define ms_to_ticks(x) (unsigned int)(x * 1000)
\r
1318 #define get_ticks() plat_get_ticks_us()
\r
1320 void emu_loop(void)
\r
1322 int frames_done, frames_shown; /* actual frames for fps counter */
\r
1323 int target_frametime_x3;
\r
1324 unsigned int timestamp_x3 = 0;
\r
1325 unsigned int timestamp_aim_x3 = 0;
\r
1326 unsigned int timestamp_fps_x3 = 0;
\r
1327 char *notice_msg = NULL;
\r
1329 int fskip_cnt = 0;
\r
1333 PicoLoopPrepare();
\r
1335 // prepare CD buffer
\r
1336 if (PicoAHW & PAHW_MCD)
\r
1337 PicoCDBufferInit();
\r
1339 plat_video_loop_prepare();
\r
1341 pemu_sound_start();
\r
1343 /* number of ticks per frame */
\r
1345 target_frametime_x3 = 3 * ms_to_ticks(1000) / 50;
\r
1347 target_frametime_x3 = 3 * ms_to_ticks(1000) / 60;
\r
1350 frames_done = frames_shown = 0;
\r
1352 /* loop with resync every 1 sec. */
\r
1353 while (engineState == PGS_Running)
\r
1358 pprof_start(main);
\r
1360 if (reset_timing) {
\r
1362 plat_video_wait_vsync();
\r
1363 timestamp_aim_x3 = get_ticks() * 3;
\r
1364 timestamp_fps_x3 = timestamp_aim_x3;
\r
1367 else if (currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) {
\r
1368 timestamp_aim_x3 = get_ticks() * 3;
\r
1371 timestamp_x3 = get_ticks() * 3;
\r
1373 // show notice_msg message?
\r
1374 if (notice_msg_time != 0)
\r
1376 static int noticeMsgSum;
\r
1377 if (timestamp_x3 - ms_to_ticks(notice_msg_time) * 3
\r
1378 > ms_to_ticks(STATUS_MSG_TIMEOUT) * 3)
\r
1380 notice_msg_time = 0;
\r
1381 plat_status_msg_clear();
\r
1382 notice_msg = NULL;
\r
1385 int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];
\r
1386 if (sum != noticeMsgSum) {
\r
1387 plat_status_msg_clear();
\r
1388 noticeMsgSum = sum;
\r
1390 notice_msg = noticeMsg;
\r
1394 // second changed?
\r
1395 if (timestamp_x3 - timestamp_fps_x3 >= ms_to_ticks(1000) * 3)
\r
1398 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];
\r
1399 if (++bench == 10) {
\r
1401 bench_fps_s = bench_fps;
\r
1402 bf[bfp++ & 3] = bench_fps;
\r
1405 bench_fps += frames_shown;
\r
1406 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);
\r
1407 printf("%s\n", fpsbuff);
\r
1409 if (currentConfig.EmuOpt & EOPT_SHOW_FPS)
\r
1410 sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done);
\r
1412 frames_shown = frames_done = 0;
\r
1413 timestamp_fps_x3 += ms_to_ticks(1000) * 3;
\r
1416 sprintf(fpsbuff, "%i", Pico.m.frame_count);
\r
1419 diff = timestamp_aim_x3 - timestamp_x3;
\r
1421 if (currentConfig.Frameskip >= 0) // frameskip enabled (or 0)
\r
1423 if (fskip_cnt < currentConfig.Frameskip) {
\r
1431 else if (diff < -target_frametime_x3)
\r
1433 /* no time left for this frame - skip */
\r
1434 /* limit auto frameskip to 8 */
\r
1435 if (frames_done / 8 <= frames_shown)
\r
1439 // don't go in debt too much
\r
1440 while (diff < -target_frametime_x3 * 3) {
\r
1441 timestamp_aim_x3 += target_frametime_x3;
\r
1442 diff = timestamp_aim_x3 - timestamp_x3;
\r
1445 emu_update_input();
\r
1447 int do_audio = diff > -target_frametime_x3 * 2;
\r
1448 PicoSkipFrame = do_audio ? 1 : 2;
\r
1450 PicoSkipFrame = 0;
\r
1454 pemu_finalize_frame(fpsbuff, notice_msg);
\r
1458 timestamp_aim_x3 += target_frametime_x3;
\r
1460 if (!skip && !flip_after_sync)
\r
1461 plat_video_flip();
\r
1463 /* frame limiter */
\r
1464 if (!skip && !reset_timing
\r
1465 && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))
\r
1467 unsigned int timestamp = get_ticks();
\r
1468 diff = timestamp_aim_x3 - timestamp * 3;
\r
1470 // sleep or vsync if we are still too fast
\r
1471 if (diff > target_frametime_x3 && (currentConfig.EmuOpt & EOPT_VSYNC)) {
\r
1472 // we are too fast
\r
1473 plat_video_wait_vsync();
\r
1474 timestamp = get_ticks();
\r
1475 diff = timestamp * 3 - timestamp_aim_x3;
\r
1477 if (diff > target_frametime_x3) {
\r
1479 plat_wait_till_us(timestamp + (diff - target_frametime_x3) / 3);
\r
1483 if (!skip && flip_after_sync)
\r
1484 plat_video_flip();
\r
1489 emu_set_fastforward(0);
\r
1492 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {
\r
1493 plat_status_msg_busy_first("Writing SRAM/BRAM...");
\r
1494 emu_save_load_game(0, 1);
\r
1501 // pemu_loop_end() might want to do 1 frame for bg image,
\r
1502 // so free CD buffer here
\r
1503 if (PicoAHW & PAHW_MCD)
\r
1504 PicoCDBufferFree();
\r