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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31 #if defined(__GNUC__) && __GNUC__ >= 7
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32 #pragma GCC diagnostic ignored "-Wformat-truncation"
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36 #define PATH_SEP "/"
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37 #define PATH_SEP_C '/'
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39 #define PATH_SEP "\\"
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40 #define PATH_SEP_C '\\'
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43 #define STATUS_MSG_TIMEOUT 2000
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47 int g_screen_width = 320;
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48 int g_screen_height = 240;
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49 int g_screen_ppitch = 320; // pitch in pixels
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51 const char *PicoConfigFile = "config2.cfg";
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52 currentConfig_t currentConfig, defaultConfig;
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54 int config_slot = 0, config_slot_current = 0;
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55 int pico_pen_x = 320/2, pico_pen_y = 240/2;
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57 int flip_after_sync;
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58 int engineState = PGS_Menu;
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60 static short __attribute__((aligned(4))) sndBuffer[2*44100/50];
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62 /* tmp buff to reduce stack usage for plats with small stack */
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63 static char static_buff[512];
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64 const char *rom_fname_reload;
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65 char rom_fname_loaded[512];
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66 int reset_timing = 0;
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67 static unsigned int notice_msg_time; /* when started showing */
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68 static char noticeMsg[40];
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70 unsigned char *movie_data = NULL;
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71 static int movie_size = 0;
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74 /* don't use tolower() for easy old glibc binary compatibility */
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75 static void strlwr_(char *string)
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78 for (p = string; *p; p++)
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79 if ('A' <= *p && *p <= 'Z')
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83 static int try_rfn_cut(char *fname)
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88 p = fname + strlen(fname) - 1;
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89 for (; p > fname; p--)
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90 if (*p == '.') break;
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93 if((tmp = fopen(fname, "rb"))) {
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100 static void get_ext(const char *file, char *ext)
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104 p = file + strlen(file) - 4;
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105 if (p < file) p = file;
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106 strncpy(ext, p, 4);
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111 static void fname_ext(char *dst, int dstlen, const char *prefix, const char *ext, const char *fname)
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113 int prefix_len = 0;
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118 int len = plat_get_root_dir(dst, dstlen);
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119 strcpy(dst + len, prefix);
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120 prefix_len = len + strlen(prefix);
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123 p = fname + strlen(fname) - 1;
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124 for (; p >= fname && *p != PATH_SEP_C; p--)
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127 strncpy(dst + prefix_len, p, dstlen - prefix_len - 1);
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129 dst[dstlen - 8] = 0;
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130 if (dst[strlen(dst) - 4] == '.')
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131 dst[strlen(dst) - 4] = 0;
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136 static void romfname_ext(char *dst, int dstlen, const char *prefix, const char *ext)
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138 fname_ext(dst, dstlen, prefix, ext, rom_fname_loaded);
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141 void emu_status_msg(const char *format, ...)
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146 va_start(vl, format);
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147 ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);
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150 /* be sure old text gets overwritten */
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151 for (; ret < 28; ret++)
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152 noticeMsg[ret] = ' ';
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153 noticeMsg[ret] = 0;
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155 notice_msg_time = plat_get_ticks_ms();
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158 static const char * const biosfiles_us[] = {
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159 "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210", "bios_CD_U"
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161 static const char * const biosfiles_eu[] = {
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162 "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210", "bios_CD_E"
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164 static const char * const biosfiles_jp[] = {
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165 "jp_mcd2_921222", "jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J"
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168 static const char *find_bios(int *region, const char *cd_fname)
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171 const char * const *files;
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175 // we need to have config loaded at this point
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176 ret = emu_read_config(cd_fname, 0);
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177 if (!ret) emu_read_config(NULL, 0);
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179 if (PicoIn.regionOverride) {
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180 *region = PicoIn.regionOverride;
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181 lprintf("override region to %s\n", *region != 4 ?
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182 (*region == 8 ? "EU" : "JAP") : "USA");
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185 if (*region == 4) { // US
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186 files = biosfiles_us;
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187 count = sizeof(biosfiles_us) / sizeof(char *);
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188 } else if (*region == 8) { // EU
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189 files = biosfiles_eu;
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190 count = sizeof(biosfiles_eu) / sizeof(char *);
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191 } else if (*region == 1 || *region == 2) {
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192 files = biosfiles_jp;
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193 count = sizeof(biosfiles_jp) / sizeof(char *);
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198 for (i = 0; i < count; i++)
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200 emu_make_path(static_buff, files[i], sizeof(static_buff) - 4);
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201 strcat(static_buff, ".bin");
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202 f = fopen(static_buff, "rb");
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205 static_buff[strlen(static_buff) - 4] = 0;
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206 strcat(static_buff, ".zip");
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207 f = fopen(static_buff, "rb");
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212 lprintf("using bios: %s\n", static_buff);
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214 return static_buff;
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216 sprintf(static_buff, "no %s BIOS files found, read docs",
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217 *region != 4 ? (*region == 8 ? "EU" : "JAP") : "USA");
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218 menu_update_msg(static_buff);
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223 /* check if the name begins with BIOS name */
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225 static int emu_isBios(const char *name)
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228 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)
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229 if (strstr(name, biosfiles_us[i]) != NULL) return 1;
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230 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)
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231 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;
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232 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)
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233 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;
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238 static int extract_text(char *dest, const unsigned char *src, int len, int swab)
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243 if (swab) swab = 1;
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245 for (i = len - 1; i >= 0; i--)
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247 if (src[i^swab] != ' ') break;
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251 for (i = 0; i < len; i++)
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253 unsigned char s = src[i^swab];
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254 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&
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255 s != '[' && s != ']' && s != '\\')
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261 sprintf(p, "\\%02x", s);
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269 static char *emu_make_rom_id(const char *fname)
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271 static char id_string[3+0xe*3+0x3*3+0x30*3+3];
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274 if (PicoIn.AHW & PAHW_MCD) {
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275 strcpy(id_string, "CD|");
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278 else if (PicoIn.AHW & PAHW_SMS)
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279 strcpy(id_string, "MS|");
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280 else strcpy(id_string, "MD|");
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283 if (!(PicoIn.AHW & PAHW_SMS)) {
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284 pos += extract_text(id_string + pos, media_id_header + 0x80, 0x0e, swab); // serial
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285 id_string[pos] = '|'; pos++;
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286 pos += extract_text(id_string + pos, media_id_header + 0xf0, 0x03, swab); // region
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287 id_string[pos] = '|'; pos++;
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288 pos += extract_text(id_string + pos, media_id_header + 0x50, 0x30, swab); // overseas name
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289 id_string[pos] = 0;
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295 // can't find name in ROM, use filename
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296 fname_ext(id_string + 3, sizeof(id_string) - 3, NULL, NULL, fname);
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301 // buffer must be at least 150 byte long
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302 void emu_get_game_name(char *str150)
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304 int ret, swab = (PicoIn.AHW & PAHW_MCD) ? 0 : 1;
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307 ret = extract_text(str150, media_id_header + 0x50, 0x30, swab); // overseas name
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309 for (s = d = str150 + 1; s < str150+ret; s++)
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311 if (*s == 0) break;
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312 if (*s != ' ' || d[-1] != ' ')
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318 static void system_announce(void)
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320 const char *sys_name, *tv_standard, *extra = "";
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323 if (PicoIn.AHW & PAHW_SMS) {
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324 sys_name = "Master System";
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326 extra = " [no support]";
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328 } else if (PicoIn.AHW & PAHW_PICO) {
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330 } else if ((PicoIn.AHW & (PAHW_32X|PAHW_MCD)) == (PAHW_32X|PAHW_MCD)) {
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331 sys_name = "32X + Mega CD";
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332 if ((Pico.m.hardware & 0xc0) == 0x80)
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333 sys_name = "32X + Sega CD";
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334 } else if (PicoIn.AHW & PAHW_MCD) {
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335 sys_name = "Mega CD";
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336 if ((Pico.m.hardware & 0xc0) == 0x80)
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337 sys_name = "Sega CD";
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338 } else if (PicoIn.AHW & PAHW_32X) {
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341 sys_name = "MegaDrive";
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342 if ((Pico.m.hardware & 0xc0) == 0x80)
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343 sys_name = "Genesis";
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345 tv_standard = Pico.m.pal ? "PAL" : "NTSC";
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346 fps = Pico.m.pal ? 50 : 60;
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348 emu_status_msg("%s %s / %dFPS%s", tv_standard, sys_name, fps, extra);
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351 static void do_region_override(const char *media_fname)
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353 // we only need to override region if config tells us so
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354 int ret = emu_read_config(media_fname, 0);
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355 if (!ret) emu_read_config(NULL, 0);
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358 int emu_reload_rom(const char *rom_fname_in)
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360 // use setting before rom config is loaded
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361 int autoload = g_autostateld_opt;
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362 char *rom_fname = NULL;
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364 enum media_type_e media_type;
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365 int menu_romload_started = 0;
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366 char carthw_path[512];
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369 lprintf("emu_ReloadRom(%s)\n", rom_fname_in);
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371 rom_fname = strdup(rom_fname_in);
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372 if (rom_fname == NULL)
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375 get_ext(rom_fname, ext);
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384 if (!strcmp(ext, ".gmv"))
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386 // check for both gmv and rom
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388 FILE *movie_file = fopen(rom_fname, "rb");
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390 menu_update_msg("Failed to open movie.");
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393 fseek(movie_file, 0, SEEK_END);
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394 movie_size = ftell(movie_file);
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395 fseek(movie_file, 0, SEEK_SET);
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396 if (movie_size < 64+3) {
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397 menu_update_msg("Invalid GMV file.");
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398 fclose(movie_file);
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401 movie_data = malloc(movie_size);
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402 if (movie_data == NULL) {
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403 menu_update_msg("low memory.");
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404 fclose(movie_file);
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407 dummy = fread(movie_data, 1, movie_size, movie_file);
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408 fclose(movie_file);
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409 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
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410 menu_update_msg("Invalid GMV file.");
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413 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
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415 menu_update_msg("Could't find a ROM for movie.");
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418 get_ext(rom_fname, ext);
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419 lprintf("gmv loaded for %s\n", rom_fname);
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421 else if (!strcmp(ext, ".pat"))
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424 PicoPatchLoad(rom_fname);
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425 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
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427 menu_update_msg("Could't find a ROM to patch.");
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430 get_ext(rom_fname, ext);
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433 menu_romload_prepare(rom_fname); // also CD load
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434 menu_romload_started = 1;
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436 emu_make_path(carthw_path, "carthw.cfg", sizeof(carthw_path));
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438 media_type = PicoLoadMedia(rom_fname, carthw_path,
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439 find_bios, do_region_override);
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441 switch (media_type) {
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442 case PM_BAD_DETECT:
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443 menu_update_msg("Not a ROM/CD img selected.");
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446 menu_update_msg("Invalid CD image");
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448 case PM_BAD_CD_NO_BIOS:
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449 // find_bios() prints a message
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452 menu_update_msg("Load error");
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458 // make quirks visible in UI
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459 if (PicoIn.quirks & PQUIRK_FORCE_6BTN)
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460 currentConfig.input_dev0 = PICO_INPUT_PAD_6BTN;
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462 menu_romload_end();
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463 menu_romload_started = 0;
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466 PicoPatchPrepare();
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470 // additional movie stuff
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473 enum input_device indev = (movie_data[0x14] == '6') ?
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474 PICO_INPUT_PAD_6BTN : PICO_INPUT_PAD_3BTN;
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475 PicoSetInputDevice(0, indev);
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476 PicoSetInputDevice(1, indev);
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478 PicoIn.opt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing
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479 if (movie_data[0xF] >= 'A') {
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480 if (movie_data[0x16] & 0x80) {
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481 PicoIn.regionOverride = 8;
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483 PicoIn.regionOverride = 4;
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486 // TODO: bits 6 & 5
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488 movie_data[0x18+30] = 0;
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489 emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);
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494 PicoIn.opt &= ~POPT_DIS_VDP_FIFO;
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497 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);
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498 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;
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500 // load SRAM for this ROM
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501 if (currentConfig.EmuOpt & EOPT_EN_SRAM)
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502 emu_save_load_game(1, 1);
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506 int time, newest = 0, newest_slot = -1;
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509 for (slot = 0; slot < 10; slot++) {
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510 if (emu_check_save_file(slot, &time)) {
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511 if (time > newest) {
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513 newest_slot = slot;
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518 if (newest_slot >= 0) {
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519 lprintf("autoload slot %d\n", newest_slot);
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520 state_slot = newest_slot;
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521 emu_save_load_game(1, 0);
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524 lprintf("no save to autoload.\n");
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530 if (menu_romload_started)
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531 menu_romload_end();
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536 int emu_swap_cd(const char *fname)
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538 enum cd_img_type cd_type;
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541 cd_type = PicoCdCheck(fname, NULL);
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542 if (cd_type != CIT_NOT_CD)
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543 ret = cdd_load(fname, cd_type);
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545 menu_update_msg("Load failed, invalid CD image?");
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549 strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);
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550 rom_fname_loaded[sizeof(rom_fname_loaded) - 1] = 0;
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556 void emu_make_path(char *buff, const char *end, int size)
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560 end_len = strlen(end);
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561 pos = plat_get_root_dir(buff, size);
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562 strncpy(buff + pos, end, size - pos);
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563 buff[size - 1] = 0;
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564 if (pos + end_len > size - 1)
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565 lprintf("Warning: path truncated: %s\n", buff);
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568 static void make_config_cfg(char *cfg_buff_512)
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570 emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);
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571 if (config_slot != 0)
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573 char *p = strrchr(cfg_buff_512, '.');
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575 p = cfg_buff_512 + strlen(cfg_buff_512);
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576 sprintf(p, ".%i.cfg", config_slot);
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578 cfg_buff_512[511] = 0;
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581 void emu_prep_defconfig(void)
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583 memset(&defaultConfig, 0, sizeof(defaultConfig));
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584 defaultConfig.EmuOpt = 0x9d | EOPT_EN_CD_LEDS;
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585 defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |
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586 POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX |
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587 POPT_EN_DRC|POPT_ACC_SPRITES |
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588 POPT_EN_32X|POPT_EN_PWM;
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589 defaultConfig.s_PsndRate = 44100;
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590 defaultConfig.s_PicoRegion = 0; // auto
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591 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP
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592 defaultConfig.s_PicoCDBuffers = 0;
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593 defaultConfig.confirm_save = EOPT_CONFIRM_SAVE;
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594 defaultConfig.Frameskip = -1; // auto
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595 defaultConfig.input_dev0 = PICO_INPUT_PAD_3BTN;
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596 defaultConfig.input_dev1 = PICO_INPUT_PAD_3BTN;
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597 defaultConfig.volume = 50;
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598 defaultConfig.gamma = 100;
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599 defaultConfig.scaling = 0;
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600 defaultConfig.turbo_rate = 15;
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601 defaultConfig.msh2_khz = PICO_MSH2_HZ / 1000;
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602 defaultConfig.ssh2_khz = PICO_SSH2_HZ / 1000;
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604 // platform specific overrides
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605 pemu_prep_defconfig();
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608 void emu_set_defconfig(void)
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610 memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));
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611 PicoIn.opt = currentConfig.s_PicoOpt;
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612 PicoIn.sndRate = currentConfig.s_PsndRate;
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613 PicoIn.regionOverride = currentConfig.s_PicoRegion;
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614 PicoIn.autoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
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617 int emu_read_config(const char *rom_fname, int no_defaults)
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623 emu_set_defconfig();
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625 if (rom_fname == NULL)
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628 make_config_cfg(cfg);
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629 ret = config_readsect(cfg, NULL);
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636 if (config_slot != 0)
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637 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);
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639 strcpy(ext, ".cfg");
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641 fname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext, rom_fname);
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643 // read user's config
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644 vol = currentConfig.volume;
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645 ret = config_readsect(cfg, NULL);
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646 currentConfig.volume = vol; // make vol global (bah)
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650 // read global config, and apply game_def.cfg on top
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651 make_config_cfg(cfg);
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652 config_readsect(cfg, NULL);
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654 emu_make_path(cfg, "game_def.cfg", sizeof(cfg));
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655 ret = config_readsect(cfg, emu_make_rom_id(rom_fname));
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659 pemu_validate_config();
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660 PicoIn.overclockM68k = currentConfig.overclock_68k;
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662 // some sanity checks
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664 /* TODO: mv to plat_validate_config() */
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665 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
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666 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;
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667 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;
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669 if (currentConfig.volume < 0 || currentConfig.volume > 99)
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670 currentConfig.volume = 50;
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673 config_slot_current = config_slot;
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679 int emu_write_config(int is_game)
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682 int ret, write_lrom = 0;
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686 make_config_cfg(cfg);
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691 if (config_slot != 0)
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692 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);
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694 strcpy(ext, ".cfg");
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696 romfname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext);
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699 lprintf("emu_write_config: %s ", cfg);
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700 ret = config_write(cfg);
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701 if (write_lrom) config_writelrom(cfg);
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705 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");
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707 if (ret == 0) config_slot_current = config_slot;
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712 /* always using built-in font */
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714 #define mk_text_out(name, type, val, topleft, step_x, step_y) \
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715 void name(int x, int y, const char *text) \
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717 int i, l, len = strlen(text); \
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718 type *screen = (type *)(topleft) + x * step_x + y * step_y; \
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720 for (i = 0; i < len; i++, screen += 8 * step_x) \
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722 for (l = 0; l < 8; l++) \
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724 unsigned char fd = fontdata8x8[text[i] * 8 + l];\
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725 type *s = screen + l * step_y; \
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726 if (fd&0x80) s[step_x * 0] = val; \
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727 if (fd&0x40) s[step_x * 1] = val; \
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728 if (fd&0x20) s[step_x * 2] = val; \
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729 if (fd&0x10) s[step_x * 3] = val; \
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730 if (fd&0x08) s[step_x * 4] = val; \
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731 if (fd&0x04) s[step_x * 5] = val; \
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732 if (fd&0x02) s[step_x * 6] = val; \
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733 if (fd&0x01) s[step_x * 7] = val; \
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738 mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_ppitch)
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739 mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_ppitch)
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740 mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,
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741 (char *)g_screen_ptr + (g_screen_ppitch - 1) * g_screen_height, -g_screen_height, 1)
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742 mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,
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743 (short *)g_screen_ptr + (g_screen_ppitch - 1) * g_screen_height, -g_screen_height, 1)
\r
747 void emu_osd_text16(int x, int y, const char *text)
\r
749 int len = strlen(text) * 8;
\r
753 if (x + len > g_screen_width)
\r
754 len = g_screen_width - x;
\r
756 for (h = 0; h < 8; h++) {
\r
758 p = (unsigned short *)g_screen_ptr
\r
759 + x + g_screen_ppitch * (y + h);
\r
760 for (i = len; i > 0; i--, p++)
\r
761 *p = (*p >> 2) & 0x39e7;
\r
763 emu_text_out16(x, y, text);
\r
766 static void update_movie(void)
\r
768 int offs = Pico.m.frame_count*3 + 0x40;
\r
769 if (offs+3 > movie_size) {
\r
772 emu_status_msg("END OF MOVIE.");
\r
773 lprintf("END OF MOVIE.\n");
\r
776 PicoIn.pad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU
\r
777 if(!(movie_data[offs] & 0x10)) PicoIn.pad[0] |= 0x40; // C
\r
778 if(!(movie_data[offs] & 0x20)) PicoIn.pad[0] |= 0x10; // A
\r
779 if(!(movie_data[offs] & 0x40)) PicoIn.pad[0] |= 0x20; // B
\r
780 PicoIn.pad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
\r
781 if(!(movie_data[offs+1] & 0x10)) PicoIn.pad[1] |= 0x40; // C
\r
782 if(!(movie_data[offs+1] & 0x20)) PicoIn.pad[1] |= 0x10; // A
\r
783 if(!(movie_data[offs+1] & 0x40)) PicoIn.pad[1] |= 0x20; // B
\r
784 PicoIn.pad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
\r
785 if(!(movie_data[offs+2] & 0x01)) PicoIn.pad[0] |= 0x0400; // X
\r
786 if(!(movie_data[offs+2] & 0x04)) PicoIn.pad[0] |= 0x0100; // Z
\r
787 PicoIn.pad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
\r
788 if(!(movie_data[offs+2] & 0x10)) PicoIn.pad[1] |= 0x0400; // X
\r
789 if(!(movie_data[offs+2] & 0x40)) PicoIn.pad[1] |= 0x0100; // Z
\r
793 static int try_ropen_file(const char *fname, int *time)
\r
798 f = fopen(fname, "rb");
\r
800 if (time != NULL) {
\r
802 if (fstat(fileno(f), &st) == 0)
\r
803 *time = (int)st.st_mtime;
\r
811 char *emu_get_save_fname(int load, int is_sram, int slot, int *time)
\r
813 char *saveFname = static_buff;
\r
818 strcpy(ext, (PicoIn.AHW & PAHW_MCD) ? ".brm" : ".srm");
\r
819 romfname_ext(saveFname, sizeof(static_buff),
\r
820 (PicoIn.AHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);
\r
824 if (try_ropen_file(saveFname, time))
\r
827 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);
\r
828 if (try_ropen_file(saveFname, time))
\r
833 const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";
\r
834 const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";
\r
836 if (slot > 0 && slot < 10)
\r
837 sprintf(ext, ".%i", slot);
\r
838 strcat(ext, ext_main);
\r
841 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);
\r
845 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);
\r
846 if (try_ropen_file(saveFname, time))
\r
849 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);
\r
850 if (try_ropen_file(saveFname, time))
\r
853 // try the other ext
\r
855 if (slot > 0 && slot < 10)
\r
856 sprintf(ext, ".%i", slot);
\r
857 strcat(ext, ext_othr);
\r
859 romfname_ext(saveFname, sizeof(static_buff), "mds"PATH_SEP, ext);
\r
860 if (try_ropen_file(saveFname, time))
\r
868 int emu_check_save_file(int slot, int *time)
\r
870 return emu_get_save_fname(1, 0, slot, time) ? 1 : 0;
\r
873 int emu_save_load_game(int load, int sram)
\r
878 // make save filename
\r
879 saveFname = emu_get_save_fname(load, sram, state_slot, NULL);
\r
880 if (saveFname == NULL) {
\r
882 emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");
\r
886 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
\r
892 unsigned char *sram_data;
\r
894 if (PicoIn.AHW & PAHW_MCD)
\r
896 if (PicoIn.opt & POPT_EN_MCD_RAMCART) {
\r
897 sram_size = 0x12000;
\r
898 sram_data = Pico.sv.data;
\r
900 memcpy(sram_data, Pico_mcd->bram, 0x2000);
\r
902 sram_size = 0x2000;
\r
903 sram_data = Pico_mcd->bram;
\r
904 truncate = 0; // the .brm may contain RAM cart data after normal brm
\r
907 sram_size = Pico.sv.size;
\r
908 sram_data = Pico.sv.data;
\r
910 if (sram_data == NULL)
\r
911 return 0; // cart saves forcefully disabled for this game
\r
915 sramFile = fopen(saveFname, "rb");
\r
918 ret = fread(sram_data, 1, sram_size, sramFile);
\r
919 ret = ret > 0 ? 0 : -1;
\r
921 if ((PicoIn.AHW & PAHW_MCD) && (PicoIn.opt&POPT_EN_MCD_RAMCART))
\r
922 memcpy(Pico_mcd->bram, sram_data, 0x2000);
\r
924 // sram save needs some special processing
\r
925 // see if we have anything to save
\r
926 for (; sram_size > 0; sram_size--)
\r
927 if (sram_data[sram_size-1]) break;
\r
930 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");
\r
931 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry
\r
932 if (!sramFile) return -1;
\r
933 ret = fwrite(sram_data, 1, sram_size, sramFile);
\r
934 ret = (ret != sram_size) ? -1 : 0;
\r
945 ret = PicoState(saveFname, !load);
\r
950 emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");
\r
952 emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");
\r
960 void emu_set_fastforward(int set_on)
\r
962 static void *set_PsndOut = NULL;
\r
963 static int set_Frameskip, set_EmuOpt, is_on = 0;
\r
965 if (set_on && !is_on) {
\r
966 set_PsndOut = PicoIn.sndOut;
\r
967 set_Frameskip = currentConfig.Frameskip;
\r
968 set_EmuOpt = currentConfig.EmuOpt;
\r
969 PicoIn.sndOut = NULL;
\r
970 currentConfig.Frameskip = 8;
\r
971 currentConfig.EmuOpt &= ~4;
\r
972 currentConfig.EmuOpt |= 0x40000;
\r
974 emu_status_msg("FAST FORWARD");
\r
976 else if (!set_on && is_on) {
\r
977 PicoIn.sndOut = set_PsndOut;
\r
978 currentConfig.Frameskip = set_Frameskip;
\r
979 currentConfig.EmuOpt = set_EmuOpt;
\r
982 // mainly to unbreak pcm
\r
983 if (PicoIn.AHW & PAHW_MCD)
\r
984 pcd_state_loaded();
\r
988 static void emu_tray_open(void)
\r
990 engineState = PGS_TrayMenu;
\r
993 static void emu_tray_close(void)
\r
995 emu_status_msg("CD tray closed.");
\r
998 void emu_32x_startup(void)
\r
1000 plat_video_toggle_renderer(0, 0); // HACK
\r
1001 system_announce();
\r
1004 void emu_reset_game(void)
\r
1010 void run_events_pico(unsigned int events)
\r
1014 if (events & PEV_PICO_SWINP) {
\r
1016 if (pico_inp_mode > 2)
\r
1017 pico_inp_mode = 0;
\r
1018 switch (pico_inp_mode) {
\r
1019 case 2: emu_status_msg("Input: Pen on Pad"); break;
\r
1020 case 1: emu_status_msg("Input: Pen on Storyware"); break;
\r
1021 case 0: emu_status_msg("Input: Joystick");
\r
1022 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
\r
1026 if (events & PEV_PICO_PPREV) {
\r
1027 PicoPicohw.page--;
\r
1028 if (PicoPicohw.page < 0)
\r
1029 PicoPicohw.page = 0;
\r
1030 emu_status_msg("Page %i", PicoPicohw.page);
\r
1032 if (events & PEV_PICO_PNEXT) {
\r
1033 PicoPicohw.page++;
\r
1034 if (PicoPicohw.page > 6)
\r
1035 PicoPicohw.page = 6;
\r
1036 emu_status_msg("Page %i", PicoPicohw.page);
\r
1039 if (pico_inp_mode == 0)
\r
1042 /* handle other input modes */
\r
1043 if (PicoIn.pad[0] & 1) pico_pen_y--;
\r
1044 if (PicoIn.pad[0] & 2) pico_pen_y++;
\r
1045 if (PicoIn.pad[0] & 4) pico_pen_x--;
\r
1046 if (PicoIn.pad[0] & 8) pico_pen_x++;
\r
1047 PicoIn.pad[0] &= ~0x0f; // release UDLR
\r
1049 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;
\r
1050 if (pico_pen_y < 8)
\r
1052 if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)
\r
1053 pico_pen_y = 224 - PICO_PEN_ADJUST_Y;
\r
1054 if (pico_pen_x < 0)
\r
1056 if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)
\r
1057 pico_pen_x = lim_x - PICO_PEN_ADJUST_X;
\r
1059 PicoPicohw.pen_pos[0] = pico_pen_x;
\r
1060 if (!(Pico.video.reg[12] & 1))
\r
1061 PicoPicohw.pen_pos[0] += pico_pen_x / 4;
\r
1062 PicoPicohw.pen_pos[0] += 0x3c;
\r
1063 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);
\r
1066 static void do_turbo(unsigned short *pad, int acts)
\r
1068 static int turbo_pad = 0;
\r
1069 static unsigned char turbo_cnt[3] = { 0, 0, 0 };
\r
1070 int inc = currentConfig.turbo_rate * 2;
\r
1072 if (acts & 0x1000) {
\r
1073 turbo_cnt[0] += inc;
\r
1074 if (turbo_cnt[0] >= 60)
\r
1075 turbo_pad ^= 0x10, turbo_cnt[0] = 0;
\r
1077 if (acts & 0x2000) {
\r
1078 turbo_cnt[1] += inc;
\r
1079 if (turbo_cnt[1] >= 60)
\r
1080 turbo_pad ^= 0x20, turbo_cnt[1] = 0;
\r
1082 if (acts & 0x4000) {
\r
1083 turbo_cnt[2] += inc;
\r
1084 if (turbo_cnt[2] >= 60)
\r
1085 turbo_pad ^= 0x40, turbo_cnt[2] = 0;
\r
1087 *pad |= turbo_pad & (acts >> 8);
\r
1090 static void run_events_ui(unsigned int which)
\r
1092 if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))
\r
1095 if ( emu_check_save_file(state_slot, NULL) &&
\r
1096 (((which & PEV_STATE_LOAD) && (currentConfig.confirm_save & EOPT_CONFIRM_LOAD)) ||
\r
1097 ((which & PEV_STATE_SAVE) && (currentConfig.confirm_save & EOPT_CONFIRM_SAVE))) )
\r
1103 strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE? " : "OVERWRITE SAVE? ");
\r
1104 len = strlen(tmp);
\r
1105 nm = in_get_key_name(-1, -PBTN_MOK);
\r
1106 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);
\r
1107 len = strlen(tmp);
\r
1108 nm = in_get_key_name(-1, -PBTN_MBACK);
\r
1109 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);
\r
1111 plat_status_msg_busy_first(tmp);
\r
1113 in_set_config_int(0, IN_CFG_BLOCKING, 1);
\r
1114 while (in_menu_wait_any(NULL, 50) & (PBTN_MOK | PBTN_MBACK))
\r
1116 while ( !((keys = in_menu_wait_any(NULL, 50)) & (PBTN_MOK | PBTN_MBACK)))
\r
1118 if (keys & PBTN_MBACK)
\r
1120 while (in_menu_wait_any(NULL, 50) & (PBTN_MOK | PBTN_MBACK))
\r
1122 in_set_config_int(0, IN_CFG_BLOCKING, 0);
\r
1125 plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");
\r
1126 PicoStateProgressCB = plat_status_msg_busy_next;
\r
1127 emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);
\r
1128 PicoStateProgressCB = NULL;
\r
1131 if (which & PEV_SWITCH_RND)
\r
1133 plat_video_toggle_renderer(1, 0);
\r
1135 if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))
\r
1137 if (which & PEV_SSLOT_PREV) {
\r
1139 if (state_slot < 0)
\r
1143 if (state_slot > 9)
\r
1147 emu_status_msg("SAVE SLOT %i [%s]", state_slot,
\r
1148 emu_check_save_file(state_slot, NULL) ? "USED" : "FREE");
\r
1150 if (which & PEV_RESET)
\r
1152 if (which & PEV_MENU)
\r
1153 engineState = PGS_Menu;
\r
1156 void emu_update_input(void)
\r
1158 static int prev_events = 0;
\r
1159 int actions[IN_BINDTYPE_COUNT] = { 0, };
\r
1160 int pl_actions[2];
\r
1163 in_update(actions);
\r
1165 pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];
\r
1166 pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;
\r
1168 PicoIn.pad[0] = pl_actions[0] & 0xfff;
\r
1169 PicoIn.pad[1] = pl_actions[1] & 0xfff;
\r
1171 if (pl_actions[0] & 0x7000)
\r
1172 do_turbo(&PicoIn.pad[0], pl_actions[0]);
\r
1173 if (pl_actions[1] & 0x7000)
\r
1174 do_turbo(&PicoIn.pad[1], pl_actions[1]);
\r
1176 events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
\r
1178 // volume is treated in special way and triggered every frame
\r
1179 if (events & (PEV_VOL_DOWN|PEV_VOL_UP))
\r
1180 plat_update_volume(1, events & PEV_VOL_UP);
\r
1182 if ((events ^ prev_events) & PEV_FF) {
\r
1183 emu_set_fastforward(events & PEV_FF);
\r
1184 plat_update_volume(0, 0);
\r
1188 events &= ~prev_events;
\r
1190 if (PicoIn.AHW == PAHW_PICO)
\r
1191 run_events_pico(events);
\r
1193 run_events_ui(events);
\r
1197 prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
\r
1200 static void mkdir_path(char *path_with_reserve, int pos, const char *name)
\r
1202 strcpy(path_with_reserve + pos, name);
\r
1203 if (plat_is_dir(path_with_reserve))
\r
1205 if (mkdir(path_with_reserve, 0777) < 0)
\r
1206 lprintf("failed to create: %s\n", path_with_reserve);
\r
1209 void emu_cmn_forced_frame(int no_scale, int do_emu)
\r
1211 int po_old = PicoIn.opt;
\r
1214 for (y = 0; y < g_screen_height; y++)
\r
1215 memset32((short *)g_screen_ptr + g_screen_ppitch * y, 0,
\r
1216 g_screen_width * 2 / 4);
\r
1218 PicoIn.opt &= ~POPT_ALT_RENDERER;
\r
1219 PicoIn.opt |= POPT_ACC_SPRITES;
\r
1221 PicoIn.opt |= POPT_EN_SOFTSCALE;
\r
1223 PicoDrawSetOutFormat(PDF_RGB555, 1);
\r
1224 Pico.m.dirtyPal = 1;
\r
1228 PicoFrameDrawOnly();
\r
1230 PicoIn.opt = po_old;
\r
1233 void emu_init(void)
\r
1239 // FIXME: handle through menu, etc
\r
1241 f = fopen("32X_M_BIOS.BIN", "rb");
\r
1242 p32x_bios_m = malloc(2048);
\r
1243 fread(p32x_bios_m, 1, 2048, f);
\r
1245 f = fopen("32X_S_BIOS.BIN", "rb");
\r
1246 p32x_bios_s = malloc(1024);
\r
1247 fread(p32x_bios_s, 1, 1024, f);
\r
1251 /* make dirs for saves */
\r
1252 pos = plat_get_root_dir(path, sizeof(path) - 4);
\r
1253 mkdir_path(path, pos, "mds");
\r
1254 mkdir_path(path, pos, "srm");
\r
1255 mkdir_path(path, pos, "brm");
\r
1256 mkdir_path(path, pos, "cfg");
\r
1260 make_config_cfg(path);
\r
1261 config_readlrom(path);
\r
1264 PicoIn.osdMessage = plat_status_msg_busy_next;
\r
1265 PicoIn.mcdTrayOpen = emu_tray_open;
\r
1266 PicoIn.mcdTrayClose = emu_tray_close;
\r
1271 void emu_finish(void)
\r
1274 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && Pico.sv.changed) {
\r
1275 emu_save_load_game(0, 1);
\r
1276 Pico.sv.changed = 0;
\r
1279 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {
\r
1281 make_config_cfg(cfg);
\r
1282 config_writelrom(cfg);
\r
1294 static void snd_write_nonblocking(int len)
\r
1296 sndout_write_nb(PicoIn.sndOut, len);
\r
1299 void emu_sound_start(void)
\r
1301 PicoIn.sndOut = NULL;
\r
1303 if (currentConfig.EmuOpt & EOPT_EN_SOUND)
\r
1305 int is_stereo = (PicoIn.opt & POPT_EN_STEREO) ? 1 : 0;
\r
1307 PsndRerate(Pico.m.frame_count ? 1 : 0);
\r
1309 printf("starting audio: %i len: %i stereo: %i, pal: %i\n",
\r
1310 PicoIn.sndRate, Pico.snd.len, is_stereo, Pico.m.pal);
\r
1311 sndout_start(PicoIn.sndRate, is_stereo);
\r
1312 PicoIn.writeSound = snd_write_nonblocking;
\r
1313 plat_update_volume(0, 0);
\r
1314 memset(sndBuffer, 0, sizeof(sndBuffer));
\r
1315 PicoIn.sndOut = sndBuffer;
\r
1319 void emu_sound_stop(void)
\r
1324 void emu_sound_wait(void)
\r
1329 static void emu_loop_prep(void)
\r
1331 static int pal_old = -1;
\r
1332 static int filter_old = -1;
\r
1334 if (currentConfig.CPUclock != plat_target_cpu_clock_get())
\r
1335 plat_target_cpu_clock_set(currentConfig.CPUclock);
\r
1337 if (Pico.m.pal != pal_old) {
\r
1338 plat_target_lcdrate_set(Pico.m.pal);
\r
1339 pal_old = Pico.m.pal;
\r
1342 if (currentConfig.filter != filter_old) {
\r
1343 plat_target_hwfilter_set(currentConfig.filter);
\r
1344 filter_old = currentConfig.filter;
\r
1347 plat_target_gamma_set(currentConfig.gamma, 0);
\r
1352 /* our tick here is 1 us right now */
\r
1353 #define ms_to_ticks(x) (unsigned int)(x * 1000)
\r
1354 #define get_ticks() plat_get_ticks_us()
\r
1356 void emu_loop(void)
\r
1358 int frames_done, frames_shown; /* actual frames for fps counter */
\r
1359 int target_frametime_x3;
\r
1360 unsigned int timestamp_x3 = 0;
\r
1361 unsigned int timestamp_aim_x3 = 0;
\r
1362 unsigned int timestamp_fps_x3 = 0;
\r
1363 char *notice_msg = NULL;
\r
1365 int fskip_cnt = 0;
\r
1369 PicoLoopPrepare();
\r
1371 plat_video_loop_prepare();
\r
1373 pemu_sound_start();
\r
1375 /* number of ticks per frame */
\r
1377 target_frametime_x3 = 3 * ms_to_ticks(1000) / 50;
\r
1379 target_frametime_x3 = 3 * ms_to_ticks(1000) / 60;
\r
1382 frames_done = frames_shown = 0;
\r
1384 /* loop with resync every 1 sec. */
\r
1385 while (engineState == PGS_Running)
\r
1390 pprof_start(main);
\r
1392 if (reset_timing) {
\r
1394 plat_video_wait_vsync();
\r
1395 timestamp_aim_x3 = get_ticks() * 3;
\r
1396 timestamp_fps_x3 = timestamp_aim_x3;
\r
1399 else if (currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) {
\r
1400 timestamp_aim_x3 = get_ticks() * 3;
\r
1403 timestamp_x3 = get_ticks() * 3;
\r
1405 // show notice_msg message?
\r
1406 if (notice_msg_time != 0)
\r
1408 static int noticeMsgSum;
\r
1409 if (timestamp_x3 - ms_to_ticks(notice_msg_time) * 3
\r
1410 > ms_to_ticks(STATUS_MSG_TIMEOUT) * 3)
\r
1412 notice_msg_time = 0;
\r
1413 plat_status_msg_clear();
\r
1414 plat_video_flip();
\r
1415 plat_status_msg_clear(); /* Do it again in case of double buffering */
\r
1416 notice_msg = NULL;
\r
1419 int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];
\r
1420 if (sum != noticeMsgSum) {
\r
1421 plat_status_msg_clear();
\r
1422 noticeMsgSum = sum;
\r
1424 notice_msg = noticeMsg;
\r
1428 // second changed?
\r
1429 if (timestamp_x3 - timestamp_fps_x3 >= ms_to_ticks(1000) * 3)
\r
1432 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];
\r
1433 if (++bench == 10) {
\r
1435 bench_fps_s = bench_fps;
\r
1436 bf[bfp++ & 3] = bench_fps;
\r
1439 bench_fps += frames_shown;
\r
1440 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);
\r
1441 printf("%s\n", fpsbuff);
\r
1443 if (currentConfig.EmuOpt & EOPT_SHOW_FPS)
\r
1444 snprintf(fpsbuff, 8, "%02i/%02i ", frames_shown, frames_done);
\r
1446 frames_shown = frames_done = 0;
\r
1447 timestamp_fps_x3 += ms_to_ticks(1000) * 3;
\r
1450 sprintf(fpsbuff, "%i", Pico.m.frame_count);
\r
1453 diff = timestamp_aim_x3 - timestamp_x3;
\r
1455 if (currentConfig.Frameskip >= 0) // frameskip enabled (or 0)
\r
1457 if (fskip_cnt < currentConfig.Frameskip) {
\r
1465 else if (diff < -target_frametime_x3)
\r
1467 /* no time left for this frame - skip */
\r
1468 /* limit auto frameskip to 8 */
\r
1469 if (frames_done / 8 <= frames_shown)
\r
1473 // don't go in debt too much
\r
1474 while (diff < -target_frametime_x3 * 3) {
\r
1475 timestamp_aim_x3 += target_frametime_x3;
\r
1476 diff = timestamp_aim_x3 - timestamp_x3;
\r
1479 emu_update_input();
\r
1481 int do_audio = diff > -target_frametime_x3 * 2;
\r
1482 PicoIn.skipFrame = do_audio ? 1 : 2;
\r
1484 PicoIn.skipFrame = 0;
\r
1488 pemu_finalize_frame(fpsbuff, notice_msg);
\r
1492 timestamp_aim_x3 += target_frametime_x3;
\r
1494 if (!skip && !flip_after_sync)
\r
1495 plat_video_flip();
\r
1497 /* frame limiter */
\r
1498 if (!skip && !reset_timing
\r
1499 && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))
\r
1501 unsigned int timestamp = get_ticks();
\r
1502 diff = timestamp_aim_x3 - timestamp * 3;
\r
1504 // sleep or vsync if we are still too fast
\r
1505 if (diff > target_frametime_x3 && (currentConfig.EmuOpt & EOPT_VSYNC)) {
\r
1506 // we are too fast
\r
1507 plat_video_wait_vsync();
\r
1508 timestamp = get_ticks();
\r
1509 diff = timestamp * 3 - timestamp_aim_x3;
\r
1511 if (diff > target_frametime_x3) {
\r
1513 plat_wait_till_us(timestamp + (diff - target_frametime_x3) / 3);
\r
1517 if (!skip && flip_after_sync)
\r
1518 plat_video_flip();
\r
1523 emu_set_fastforward(0);
\r
1526 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && Pico.sv.changed) {
\r
1527 plat_status_msg_busy_first("Writing SRAM/BRAM...");
\r
1528 emu_save_load_game(0, 1);
\r
1529 Pico.sv.changed = 0;
\r