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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45 int g_screen_ppitch = 320; // pitch in pixels
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47 const char *PicoConfigFile = "config2.cfg";
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48 currentConfig_t currentConfig, defaultConfig;
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50 int config_slot = 0, config_slot_current = 0;
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51 int pico_pen_x = 320/2, pico_pen_y = 240/2;
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53 int flip_after_sync;
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54 int engineState = PGS_Menu;
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56 static short __attribute__((aligned(4))) sndBuffer[2*44100/50];
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58 /* tmp buff to reduce stack usage for plats with small stack */
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59 static char static_buff[512];
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60 const char *rom_fname_reload;
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61 char rom_fname_loaded[512];
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62 int reset_timing = 0;
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63 static unsigned int notice_msg_time; /* when started showing */
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64 static char noticeMsg[40];
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66 unsigned char *movie_data = NULL;
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67 static int movie_size = 0;
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70 /* don't use tolower() for easy old glibc binary compatibility */
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71 static void strlwr_(char *string)
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74 for (p = string; *p; p++)
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75 if ('A' <= *p && *p <= 'Z')
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79 static int try_rfn_cut(char *fname)
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84 p = fname + strlen(fname) - 1;
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85 for (; p > fname; p--)
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86 if (*p == '.') break;
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89 if((tmp = fopen(fname, "rb"))) {
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96 static void get_ext(const char *file, char *ext)
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100 p = file + strlen(file) - 4;
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101 if (p < file) p = file;
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102 strncpy(ext, p, 4);
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107 static void fname_ext(char *dst, int dstlen, const char *prefix, const char *ext, const char *fname)
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109 int prefix_len = 0;
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114 int len = plat_get_root_dir(dst, dstlen);
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115 strcpy(dst + len, prefix);
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116 prefix_len = len + strlen(prefix);
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119 p = fname + strlen(fname) - 1;
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120 for (; p >= fname && *p != PATH_SEP_C; p--)
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123 strncpy(dst + prefix_len, p, dstlen - prefix_len - 1);
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125 dst[dstlen - 8] = 0;
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126 if (dst[strlen(dst) - 4] == '.')
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127 dst[strlen(dst) - 4] = 0;
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132 static void romfname_ext(char *dst, int dstlen, const char *prefix, const char *ext)
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134 fname_ext(dst, dstlen, prefix, ext, rom_fname_loaded);
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137 void emu_status_msg(const char *format, ...)
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142 va_start(vl, format);
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143 ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);
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146 /* be sure old text gets overwritten */
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147 for (; ret < 28; ret++)
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148 noticeMsg[ret] = ' ';
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149 noticeMsg[ret] = 0;
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151 notice_msg_time = plat_get_ticks_ms();
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154 static const char * const biosfiles_us[] = {
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155 "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210", "bios_CD_U"
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157 static const char * const biosfiles_eu[] = {
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158 "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210", "bios_CD_E"
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160 static const char * const biosfiles_jp[] = {
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161 "jp_mcd2_921222", "jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J"
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164 static const char *find_bios(int *region, const char *cd_fname)
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167 const char * const *files;
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171 // we need to have config loaded at this point
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172 ret = emu_read_config(cd_fname, 0);
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173 if (!ret) emu_read_config(NULL, 0);
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175 if (PicoIn.regionOverride) {
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176 *region = PicoIn.regionOverride;
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177 lprintf("override region to %s\n", *region != 4 ?
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178 (*region == 8 ? "EU" : "JAP") : "USA");
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181 if (*region == 4) { // US
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182 files = biosfiles_us;
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183 count = sizeof(biosfiles_us) / sizeof(char *);
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184 } else if (*region == 8) { // EU
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185 files = biosfiles_eu;
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186 count = sizeof(biosfiles_eu) / sizeof(char *);
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187 } else if (*region == 1 || *region == 2) {
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188 files = biosfiles_jp;
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189 count = sizeof(biosfiles_jp) / sizeof(char *);
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194 for (i = 0; i < count; i++)
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196 emu_make_path(static_buff, files[i], sizeof(static_buff) - 4);
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197 strcat(static_buff, ".bin");
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198 f = fopen(static_buff, "rb");
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201 static_buff[strlen(static_buff) - 4] = 0;
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202 strcat(static_buff, ".zip");
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203 f = fopen(static_buff, "rb");
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208 lprintf("using bios: %s\n", static_buff);
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210 return static_buff;
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212 sprintf(static_buff, "no %s BIOS files found, read docs",
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213 *region != 4 ? (*region == 8 ? "EU" : "JAP") : "USA");
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214 menu_update_msg(static_buff);
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219 /* check if the name begins with BIOS name */
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221 static int emu_isBios(const char *name)
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224 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)
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225 if (strstr(name, biosfiles_us[i]) != NULL) return 1;
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226 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)
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227 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;
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228 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)
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229 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;
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234 static int extract_text(char *dest, const unsigned char *src, int len, int swab)
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239 if (swab) swab = 1;
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241 for (i = len - 1; i >= 0; i--)
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243 if (src[i^swab] != ' ') break;
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247 for (i = 0; i < len; i++)
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249 unsigned char s = src[i^swab];
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250 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&
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251 s != '[' && s != ']' && s != '\\')
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257 sprintf(p, "\\%02x", s);
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265 static char *emu_make_rom_id(const char *fname)
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267 static char id_string[3+0xe*3+0x3*3+0x30*3+3];
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270 if (PicoIn.AHW & PAHW_MCD) {
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271 strcpy(id_string, "CD|");
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274 else if (PicoIn.AHW & PAHW_SMS)
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275 strcpy(id_string, "MS|");
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276 else strcpy(id_string, "MD|");
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279 if (!(PicoIn.AHW & PAHW_SMS)) {
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280 pos += extract_text(id_string + pos, media_id_header + 0x80, 0x0e, swab); // serial
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281 id_string[pos] = '|'; pos++;
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282 pos += extract_text(id_string + pos, media_id_header + 0xf0, 0x03, swab); // region
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283 id_string[pos] = '|'; pos++;
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284 pos += extract_text(id_string + pos, media_id_header + 0x50, 0x30, swab); // overseas name
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285 id_string[pos] = 0;
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291 // can't find name in ROM, use filename
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292 fname_ext(id_string + 3, sizeof(id_string) - 3, NULL, NULL, fname);
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297 // buffer must be at least 150 byte long
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298 void emu_get_game_name(char *str150)
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300 int ret, swab = (PicoIn.AHW & PAHW_MCD) ? 0 : 1;
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303 ret = extract_text(str150, media_id_header + 0x50, 0x30, swab); // overseas name
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305 for (s = d = str150 + 1; s < str150+ret; s++)
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307 if (*s == 0) break;
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308 if (*s != ' ' || d[-1] != ' ')
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314 static void system_announce(void)
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316 const char *sys_name, *tv_standard, *extra = "";
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319 if (PicoIn.AHW & PAHW_SMS) {
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320 sys_name = "Master System";
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322 extra = " [no support]";
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324 } else if (PicoIn.AHW & PAHW_PICO) {
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326 } else if ((PicoIn.AHW & (PAHW_32X|PAHW_MCD)) == (PAHW_32X|PAHW_MCD)) {
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327 sys_name = "32X + Mega CD";
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328 if ((Pico.m.hardware & 0xc0) == 0x80)
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329 sys_name = "32X + Sega CD";
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330 } else if (PicoIn.AHW & PAHW_MCD) {
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331 sys_name = "Mega CD";
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332 if ((Pico.m.hardware & 0xc0) == 0x80)
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333 sys_name = "Sega CD";
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334 } else if (PicoIn.AHW & PAHW_32X) {
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337 sys_name = "MegaDrive";
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338 if ((Pico.m.hardware & 0xc0) == 0x80)
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339 sys_name = "Genesis";
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341 tv_standard = Pico.m.pal ? "PAL" : "NTSC";
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342 fps = Pico.m.pal ? 50 : 60;
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344 emu_status_msg("%s %s / %dFPS%s", tv_standard, sys_name, fps, extra);
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347 static void do_region_override(const char *media_fname)
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349 // we only need to override region if config tells us so
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350 int ret = emu_read_config(media_fname, 0);
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351 if (!ret) emu_read_config(NULL, 0);
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354 int emu_reload_rom(const char *rom_fname_in)
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356 // use setting before rom config is loaded
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357 int autoload = g_autostateld_opt;
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358 char *rom_fname = NULL;
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360 enum media_type_e media_type;
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361 int menu_romload_started = 0;
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362 char carthw_path[512];
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365 lprintf("emu_ReloadRom(%s)\n", rom_fname_in);
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367 rom_fname = strdup(rom_fname_in);
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368 if (rom_fname == NULL)
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371 get_ext(rom_fname, ext);
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380 if (!strcmp(ext, ".gmv"))
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382 // check for both gmv and rom
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384 FILE *movie_file = fopen(rom_fname, "rb");
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386 menu_update_msg("Failed to open movie.");
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389 fseek(movie_file, 0, SEEK_END);
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390 movie_size = ftell(movie_file);
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391 fseek(movie_file, 0, SEEK_SET);
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392 if (movie_size < 64+3) {
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393 menu_update_msg("Invalid GMV file.");
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394 fclose(movie_file);
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397 movie_data = malloc(movie_size);
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398 if (movie_data == NULL) {
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399 menu_update_msg("low memory.");
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400 fclose(movie_file);
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403 dummy = fread(movie_data, 1, movie_size, movie_file);
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404 fclose(movie_file);
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405 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
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406 menu_update_msg("Invalid GMV file.");
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409 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
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411 menu_update_msg("Could't find a ROM for movie.");
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414 get_ext(rom_fname, ext);
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415 lprintf("gmv loaded for %s\n", rom_fname);
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417 else if (!strcmp(ext, ".pat"))
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420 PicoPatchLoad(rom_fname);
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421 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
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423 menu_update_msg("Could't find a ROM to patch.");
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426 get_ext(rom_fname, ext);
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429 menu_romload_prepare(rom_fname); // also CD load
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430 menu_romload_started = 1;
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432 emu_make_path(carthw_path, "carthw.cfg", sizeof(carthw_path));
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434 media_type = PicoLoadMedia(rom_fname, carthw_path,
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435 find_bios, do_region_override);
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437 switch (media_type) {
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438 case PM_BAD_DETECT:
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439 menu_update_msg("Not a ROM/CD img selected.");
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442 menu_update_msg("Invalid CD image");
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444 case PM_BAD_CD_NO_BIOS:
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445 // find_bios() prints a message
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448 menu_update_msg("Load error");
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454 // make quirks visible in UI
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455 if (PicoIn.quirks & PQUIRK_FORCE_6BTN)
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456 currentConfig.input_dev0 = PICO_INPUT_PAD_6BTN;
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458 menu_romload_end();
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459 menu_romload_started = 0;
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462 PicoPatchPrepare();
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466 // additional movie stuff
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469 enum input_device indev = (movie_data[0x14] == '6') ?
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470 PICO_INPUT_PAD_6BTN : PICO_INPUT_PAD_3BTN;
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471 PicoSetInputDevice(0, indev);
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472 PicoSetInputDevice(1, indev);
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474 PicoIn.opt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing
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475 if (movie_data[0xF] >= 'A') {
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476 if (movie_data[0x16] & 0x80) {
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477 PicoIn.regionOverride = 8;
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479 PicoIn.regionOverride = 4;
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482 // TODO: bits 6 & 5
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484 movie_data[0x18+30] = 0;
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485 emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);
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490 PicoIn.opt &= ~POPT_DIS_VDP_FIFO;
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493 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);
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494 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;
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496 // load SRAM for this ROM
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497 if (currentConfig.EmuOpt & EOPT_EN_SRAM)
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498 emu_save_load_game(1, 1);
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502 int time, newest = 0, newest_slot = -1;
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505 for (slot = 0; slot < 10; slot++) {
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506 if (emu_check_save_file(slot, &time)) {
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507 if (time > newest) {
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509 newest_slot = slot;
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514 if (newest_slot >= 0) {
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515 lprintf("autoload slot %d\n", newest_slot);
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516 state_slot = newest_slot;
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517 emu_save_load_game(1, 0);
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520 lprintf("no save to autoload.\n");
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526 if (menu_romload_started)
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527 menu_romload_end();
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532 int emu_swap_cd(const char *fname)
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534 enum cd_img_type cd_type;
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537 cd_type = PicoCdCheck(fname, NULL);
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538 if (cd_type != CIT_NOT_CD)
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539 ret = cdd_load(fname, cd_type);
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541 menu_update_msg("Load failed, invalid CD image?");
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545 strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);
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546 rom_fname_loaded[sizeof(rom_fname_loaded) - 1] = 0;
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552 void emu_make_path(char *buff, const char *end, int size)
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556 end_len = strlen(end);
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557 pos = plat_get_root_dir(buff, size);
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558 strncpy(buff + pos, end, size - pos);
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559 buff[size - 1] = 0;
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560 if (pos + end_len > size - 1)
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561 lprintf("Warning: path truncated: %s\n", buff);
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564 static void make_config_cfg(char *cfg_buff_512)
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566 emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);
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567 if (config_slot != 0)
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569 char *p = strrchr(cfg_buff_512, '.');
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571 p = cfg_buff_512 + strlen(cfg_buff_512);
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572 sprintf(p, ".%i.cfg", config_slot);
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574 cfg_buff_512[511] = 0;
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577 void emu_prep_defconfig(void)
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579 memset(&defaultConfig, 0, sizeof(defaultConfig));
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580 defaultConfig.EmuOpt = 0x9d | EOPT_EN_CD_LEDS;
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581 defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |
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582 POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX |
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583 POPT_EN_DRC|POPT_ACC_SPRITES |
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584 POPT_EN_32X|POPT_EN_PWM;
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585 defaultConfig.s_PsndRate = 44100;
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586 defaultConfig.s_PicoRegion = 0; // auto
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587 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP
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588 defaultConfig.s_PicoCDBuffers = 0;
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589 defaultConfig.confirm_save = EOPT_CONFIRM_SAVE;
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590 defaultConfig.Frameskip = -1; // auto
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591 defaultConfig.input_dev0 = PICO_INPUT_PAD_3BTN;
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592 defaultConfig.input_dev1 = PICO_INPUT_PAD_3BTN;
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593 defaultConfig.volume = 50;
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594 defaultConfig.gamma = 100;
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595 defaultConfig.scaling = 0;
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596 defaultConfig.turbo_rate = 15;
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597 defaultConfig.msh2_khz = PICO_MSH2_HZ / 1000;
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598 defaultConfig.ssh2_khz = PICO_SSH2_HZ / 1000;
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600 // platform specific overrides
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601 pemu_prep_defconfig();
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604 void emu_set_defconfig(void)
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606 memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));
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607 PicoIn.opt = currentConfig.s_PicoOpt;
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608 PicoIn.sndRate = currentConfig.s_PsndRate;
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609 PicoIn.regionOverride = currentConfig.s_PicoRegion;
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610 PicoIn.autoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
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613 int emu_read_config(const char *rom_fname, int no_defaults)
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619 emu_set_defconfig();
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621 if (rom_fname == NULL)
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624 make_config_cfg(cfg);
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625 ret = config_readsect(cfg, NULL);
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632 if (config_slot != 0)
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633 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);
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635 strcpy(ext, ".cfg");
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637 fname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext, rom_fname);
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639 // read user's config
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640 vol = currentConfig.volume;
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641 ret = config_readsect(cfg, NULL);
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642 currentConfig.volume = vol; // make vol global (bah)
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646 // read global config, and apply game_def.cfg on top
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647 make_config_cfg(cfg);
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648 config_readsect(cfg, NULL);
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650 emu_make_path(cfg, "game_def.cfg", sizeof(cfg));
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651 ret = config_readsect(cfg, emu_make_rom_id(rom_fname));
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655 pemu_validate_config();
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656 PicoIn.overclockM68k = currentConfig.overclock_68k;
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658 // some sanity checks
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660 /* TODO: mv to plat_validate_config() */
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661 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
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662 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;
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663 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;
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665 if (currentConfig.volume < 0 || currentConfig.volume > 99)
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666 currentConfig.volume = 50;
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669 config_slot_current = config_slot;
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675 int emu_write_config(int is_game)
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678 int ret, write_lrom = 0;
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682 make_config_cfg(cfg);
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687 if (config_slot != 0)
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688 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);
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690 strcpy(ext, ".cfg");
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692 romfname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext);
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695 lprintf("emu_write_config: %s ", cfg);
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696 ret = config_write(cfg);
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697 if (write_lrom) config_writelrom(cfg);
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701 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");
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703 if (ret == 0) config_slot_current = config_slot;
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708 /* always using built-in font */
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710 #define mk_text_out(name, type, val, topleft, step_x, step_y) \
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711 void name(int x, int y, const char *text) \
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713 int i, l, len = strlen(text); \
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714 type *screen = (type *)(topleft) + x * step_x + y * step_y; \
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716 for (i = 0; i < len; i++, screen += 8 * step_x) \
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718 for (l = 0; l < 8; l++) \
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720 unsigned char fd = fontdata8x8[text[i] * 8 + l];\
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721 type *s = screen + l * step_y; \
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722 if (fd&0x80) s[step_x * 0] = val; \
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723 if (fd&0x40) s[step_x * 1] = val; \
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724 if (fd&0x20) s[step_x * 2] = val; \
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725 if (fd&0x10) s[step_x * 3] = val; \
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726 if (fd&0x08) s[step_x * 4] = val; \
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727 if (fd&0x04) s[step_x * 5] = val; \
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728 if (fd&0x02) s[step_x * 6] = val; \
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729 if (fd&0x01) s[step_x * 7] = val; \
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734 mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_ppitch)
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735 mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_ppitch)
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736 mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,
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737 (char *)g_screen_ptr + (g_screen_ppitch - 1) * g_screen_height, -g_screen_height, 1)
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738 mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,
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739 (short *)g_screen_ptr + (g_screen_ppitch - 1) * g_screen_height, -g_screen_height, 1)
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743 void emu_osd_text16(int x, int y, const char *text)
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745 int len = strlen(text) * 8;
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749 if (x + len > g_screen_width)
\r
750 len = g_screen_width - x;
\r
752 for (h = 0; h < 8; h++) {
\r
754 p = (unsigned short *)g_screen_ptr
\r
755 + x + g_screen_ppitch * (y + h);
\r
756 for (i = len; i > 0; i--, p++)
\r
757 *p = (*p >> 2) & 0x39e7;
\r
759 emu_text_out16(x, y, text);
\r
762 static void update_movie(void)
\r
764 int offs = Pico.m.frame_count*3 + 0x40;
\r
765 if (offs+3 > movie_size) {
\r
768 emu_status_msg("END OF MOVIE.");
\r
769 lprintf("END OF MOVIE.\n");
\r
772 PicoIn.pad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU
\r
773 if(!(movie_data[offs] & 0x10)) PicoIn.pad[0] |= 0x40; // C
\r
774 if(!(movie_data[offs] & 0x20)) PicoIn.pad[0] |= 0x10; // A
\r
775 if(!(movie_data[offs] & 0x40)) PicoIn.pad[0] |= 0x20; // B
\r
776 PicoIn.pad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
\r
777 if(!(movie_data[offs+1] & 0x10)) PicoIn.pad[1] |= 0x40; // C
\r
778 if(!(movie_data[offs+1] & 0x20)) PicoIn.pad[1] |= 0x10; // A
\r
779 if(!(movie_data[offs+1] & 0x40)) PicoIn.pad[1] |= 0x20; // B
\r
780 PicoIn.pad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
\r
781 if(!(movie_data[offs+2] & 0x01)) PicoIn.pad[0] |= 0x0400; // X
\r
782 if(!(movie_data[offs+2] & 0x04)) PicoIn.pad[0] |= 0x0100; // Z
\r
783 PicoIn.pad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
\r
784 if(!(movie_data[offs+2] & 0x10)) PicoIn.pad[1] |= 0x0400; // X
\r
785 if(!(movie_data[offs+2] & 0x40)) PicoIn.pad[1] |= 0x0100; // Z
\r
789 static int try_ropen_file(const char *fname, int *time)
\r
794 f = fopen(fname, "rb");
\r
796 if (time != NULL) {
\r
798 if (fstat(fileno(f), &st) == 0)
\r
799 *time = (int)st.st_mtime;
\r
807 char *emu_get_save_fname(int load, int is_sram, int slot, int *time)
\r
809 char *saveFname = static_buff;
\r
814 strcpy(ext, (PicoIn.AHW & PAHW_MCD) ? ".brm" : ".srm");
\r
815 romfname_ext(saveFname, sizeof(static_buff),
\r
816 (PicoIn.AHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);
\r
820 if (try_ropen_file(saveFname, time))
\r
823 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);
\r
824 if (try_ropen_file(saveFname, time))
\r
829 const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";
\r
830 const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";
\r
832 if (slot > 0 && slot < 10)
\r
833 sprintf(ext, ".%i", slot);
\r
834 strcat(ext, ext_main);
\r
837 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);
\r
841 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);
\r
842 if (try_ropen_file(saveFname, time))
\r
845 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);
\r
846 if (try_ropen_file(saveFname, time))
\r
849 // try the other ext
\r
851 if (slot > 0 && slot < 10)
\r
852 sprintf(ext, ".%i", slot);
\r
853 strcat(ext, ext_othr);
\r
855 romfname_ext(saveFname, sizeof(static_buff), "mds"PATH_SEP, ext);
\r
856 if (try_ropen_file(saveFname, time))
\r
864 int emu_check_save_file(int slot, int *time)
\r
866 return emu_get_save_fname(1, 0, slot, time) ? 1 : 0;
\r
869 int emu_save_load_game(int load, int sram)
\r
874 // make save filename
\r
875 saveFname = emu_get_save_fname(load, sram, state_slot, NULL);
\r
876 if (saveFname == NULL) {
\r
878 emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");
\r
882 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
\r
888 unsigned char *sram_data;
\r
890 if (PicoIn.AHW & PAHW_MCD)
\r
892 if (PicoIn.opt & POPT_EN_MCD_RAMCART) {
\r
893 sram_size = 0x12000;
\r
894 sram_data = Pico.sv.data;
\r
896 memcpy(sram_data, Pico_mcd->bram, 0x2000);
\r
898 sram_size = 0x2000;
\r
899 sram_data = Pico_mcd->bram;
\r
900 truncate = 0; // the .brm may contain RAM cart data after normal brm
\r
903 sram_size = Pico.sv.size;
\r
904 sram_data = Pico.sv.data;
\r
906 if (sram_data == NULL)
\r
907 return 0; // cart saves forcefully disabled for this game
\r
911 sramFile = fopen(saveFname, "rb");
\r
914 ret = fread(sram_data, 1, sram_size, sramFile);
\r
915 ret = ret > 0 ? 0 : -1;
\r
917 if ((PicoIn.AHW & PAHW_MCD) && (PicoIn.opt&POPT_EN_MCD_RAMCART))
\r
918 memcpy(Pico_mcd->bram, sram_data, 0x2000);
\r
920 // sram save needs some special processing
\r
921 // see if we have anything to save
\r
922 for (; sram_size > 0; sram_size--)
\r
923 if (sram_data[sram_size-1]) break;
\r
926 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");
\r
927 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry
\r
928 if (!sramFile) return -1;
\r
929 ret = fwrite(sram_data, 1, sram_size, sramFile);
\r
930 ret = (ret != sram_size) ? -1 : 0;
\r
941 ret = PicoState(saveFname, !load);
\r
946 emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");
\r
948 emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");
\r
956 void emu_set_fastforward(int set_on)
\r
958 static void *set_PsndOut = NULL;
\r
959 static int set_Frameskip, set_EmuOpt, is_on = 0;
\r
961 if (set_on && !is_on) {
\r
962 set_PsndOut = PicoIn.sndOut;
\r
963 set_Frameskip = currentConfig.Frameskip;
\r
964 set_EmuOpt = currentConfig.EmuOpt;
\r
965 PicoIn.sndOut = NULL;
\r
966 currentConfig.Frameskip = 8;
\r
967 currentConfig.EmuOpt &= ~4;
\r
968 currentConfig.EmuOpt |= 0x40000;
\r
970 emu_status_msg("FAST FORWARD");
\r
972 else if (!set_on && is_on) {
\r
973 PicoIn.sndOut = set_PsndOut;
\r
974 currentConfig.Frameskip = set_Frameskip;
\r
975 currentConfig.EmuOpt = set_EmuOpt;
\r
978 // mainly to unbreak pcm
\r
979 if (PicoIn.AHW & PAHW_MCD)
\r
980 pcd_state_loaded();
\r
984 static void emu_tray_open(void)
\r
986 engineState = PGS_TrayMenu;
\r
989 static void emu_tray_close(void)
\r
991 emu_status_msg("CD tray closed.");
\r
994 void emu_32x_startup(void)
\r
996 plat_video_toggle_renderer(0, 0); // HACK
\r
1000 void emu_reset_game(void)
\r
1006 void run_events_pico(unsigned int events)
\r
1010 if (events & PEV_PICO_SWINP) {
\r
1012 if (pico_inp_mode > 2)
\r
1013 pico_inp_mode = 0;
\r
1014 switch (pico_inp_mode) {
\r
1015 case 2: emu_status_msg("Input: Pen on Pad"); break;
\r
1016 case 1: emu_status_msg("Input: Pen on Storyware"); break;
\r
1017 case 0: emu_status_msg("Input: Joystick");
\r
1018 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
\r
1022 if (events & PEV_PICO_PPREV) {
\r
1023 PicoPicohw.page--;
\r
1024 if (PicoPicohw.page < 0)
\r
1025 PicoPicohw.page = 0;
\r
1026 emu_status_msg("Page %i", PicoPicohw.page);
\r
1028 if (events & PEV_PICO_PNEXT) {
\r
1029 PicoPicohw.page++;
\r
1030 if (PicoPicohw.page > 6)
\r
1031 PicoPicohw.page = 6;
\r
1032 emu_status_msg("Page %i", PicoPicohw.page);
\r
1035 if (pico_inp_mode == 0)
\r
1038 /* handle other input modes */
\r
1039 if (PicoIn.pad[0] & 1) pico_pen_y--;
\r
1040 if (PicoIn.pad[0] & 2) pico_pen_y++;
\r
1041 if (PicoIn.pad[0] & 4) pico_pen_x--;
\r
1042 if (PicoIn.pad[0] & 8) pico_pen_x++;
\r
1043 PicoIn.pad[0] &= ~0x0f; // release UDLR
\r
1045 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;
\r
1046 if (pico_pen_y < 8)
\r
1048 if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)
\r
1049 pico_pen_y = 224 - PICO_PEN_ADJUST_Y;
\r
1050 if (pico_pen_x < 0)
\r
1052 if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)
\r
1053 pico_pen_x = lim_x - PICO_PEN_ADJUST_X;
\r
1055 PicoPicohw.pen_pos[0] = pico_pen_x;
\r
1056 if (!(Pico.video.reg[12] & 1))
\r
1057 PicoPicohw.pen_pos[0] += pico_pen_x / 4;
\r
1058 PicoPicohw.pen_pos[0] += 0x3c;
\r
1059 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);
\r
1062 static void do_turbo(unsigned short *pad, int acts)
\r
1064 static int turbo_pad = 0;
\r
1065 static unsigned char turbo_cnt[3] = { 0, 0, 0 };
\r
1066 int inc = currentConfig.turbo_rate * 2;
\r
1068 if (acts & 0x1000) {
\r
1069 turbo_cnt[0] += inc;
\r
1070 if (turbo_cnt[0] >= 60)
\r
1071 turbo_pad ^= 0x10, turbo_cnt[0] = 0;
\r
1073 if (acts & 0x2000) {
\r
1074 turbo_cnt[1] += inc;
\r
1075 if (turbo_cnt[1] >= 60)
\r
1076 turbo_pad ^= 0x20, turbo_cnt[1] = 0;
\r
1078 if (acts & 0x4000) {
\r
1079 turbo_cnt[2] += inc;
\r
1080 if (turbo_cnt[2] >= 60)
\r
1081 turbo_pad ^= 0x40, turbo_cnt[2] = 0;
\r
1083 *pad |= turbo_pad & (acts >> 8);
\r
1086 static void run_events_ui(unsigned int which)
\r
1088 if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))
\r
1091 if ( emu_check_save_file(state_slot, NULL) &&
\r
1092 (((which & PEV_STATE_LOAD) && (currentConfig.confirm_save & EOPT_CONFIRM_LOAD)) ||
\r
1093 ((which & PEV_STATE_SAVE) && (currentConfig.confirm_save & EOPT_CONFIRM_SAVE))) )
\r
1099 strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE? " : "OVERWRITE SAVE? ");
\r
1100 len = strlen(tmp);
\r
1101 nm = in_get_key_name(-1, -PBTN_MOK);
\r
1102 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);
\r
1103 len = strlen(tmp);
\r
1104 nm = in_get_key_name(-1, -PBTN_MBACK);
\r
1105 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);
\r
1107 plat_status_msg_busy_first(tmp);
\r
1109 in_set_config_int(0, IN_CFG_BLOCKING, 1);
\r
1110 while (in_menu_wait_any(NULL, 50) & (PBTN_MOK | PBTN_MBACK))
\r
1112 while ( !((keys = in_menu_wait_any(NULL, 50)) & (PBTN_MOK | PBTN_MBACK)))
\r
1114 if (keys & PBTN_MBACK)
\r
1116 while (in_menu_wait_any(NULL, 50) & (PBTN_MOK | PBTN_MBACK))
\r
1118 in_set_config_int(0, IN_CFG_BLOCKING, 0);
\r
1121 plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");
\r
1122 PicoStateProgressCB = plat_status_msg_busy_next;
\r
1123 emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);
\r
1124 PicoStateProgressCB = NULL;
\r
1127 if (which & PEV_SWITCH_RND)
\r
1129 plat_video_toggle_renderer(1, 0);
\r
1131 if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))
\r
1133 if (which & PEV_SSLOT_PREV) {
\r
1135 if (state_slot < 0)
\r
1139 if (state_slot > 9)
\r
1143 emu_status_msg("SAVE SLOT %i [%s]", state_slot,
\r
1144 emu_check_save_file(state_slot, NULL) ? "USED" : "FREE");
\r
1146 if (which & PEV_RESET)
\r
1148 if (which & PEV_MENU)
\r
1149 engineState = PGS_Menu;
\r
1152 void emu_update_input(void)
\r
1154 static int prev_events = 0;
\r
1155 int actions[IN_BINDTYPE_COUNT] = { 0, };
\r
1156 int pl_actions[2];
\r
1159 in_update(actions);
\r
1161 pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];
\r
1162 pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;
\r
1164 PicoIn.pad[0] = pl_actions[0] & 0xfff;
\r
1165 PicoIn.pad[1] = pl_actions[1] & 0xfff;
\r
1167 if (pl_actions[0] & 0x7000)
\r
1168 do_turbo(&PicoIn.pad[0], pl_actions[0]);
\r
1169 if (pl_actions[1] & 0x7000)
\r
1170 do_turbo(&PicoIn.pad[1], pl_actions[1]);
\r
1172 events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
\r
1174 // volume is treated in special way and triggered every frame
\r
1175 if (events & (PEV_VOL_DOWN|PEV_VOL_UP))
\r
1176 plat_update_volume(1, events & PEV_VOL_UP);
\r
1178 if ((events ^ prev_events) & PEV_FF) {
\r
1179 emu_set_fastforward(events & PEV_FF);
\r
1180 plat_update_volume(0, 0);
\r
1184 events &= ~prev_events;
\r
1186 if (PicoIn.AHW == PAHW_PICO)
\r
1187 run_events_pico(events);
\r
1189 run_events_ui(events);
\r
1193 prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
\r
1196 static void mkdir_path(char *path_with_reserve, int pos, const char *name)
\r
1198 strcpy(path_with_reserve + pos, name);
\r
1199 if (plat_is_dir(path_with_reserve))
\r
1201 if (mkdir(path_with_reserve, 0777) < 0)
\r
1202 lprintf("failed to create: %s\n", path_with_reserve);
\r
1205 void emu_cmn_forced_frame(int no_scale, int do_emu)
\r
1207 int po_old = PicoIn.opt;
\r
1210 for (y = 0; y < g_screen_height; y++)
\r
1211 memset32((short *)g_screen_ptr + g_screen_ppitch * y, 0,
\r
1212 g_screen_width * 2 / 4);
\r
1214 PicoIn.opt &= ~POPT_ALT_RENDERER;
\r
1215 PicoIn.opt |= POPT_ACC_SPRITES;
\r
1217 PicoIn.opt |= POPT_EN_SOFTSCALE;
\r
1219 PicoDrawSetOutFormat(PDF_RGB555, 1);
\r
1220 Pico.m.dirtyPal = 1;
\r
1224 PicoFrameDrawOnly();
\r
1226 PicoIn.opt = po_old;
\r
1229 void emu_init(void)
\r
1235 // FIXME: handle through menu, etc
\r
1237 f = fopen("32X_M_BIOS.BIN", "rb");
\r
1238 p32x_bios_m = malloc(2048);
\r
1239 fread(p32x_bios_m, 1, 2048, f);
\r
1241 f = fopen("32X_S_BIOS.BIN", "rb");
\r
1242 p32x_bios_s = malloc(1024);
\r
1243 fread(p32x_bios_s, 1, 1024, f);
\r
1247 /* make dirs for saves */
\r
1248 pos = plat_get_root_dir(path, sizeof(path) - 4);
\r
1249 mkdir_path(path, pos, "mds");
\r
1250 mkdir_path(path, pos, "srm");
\r
1251 mkdir_path(path, pos, "brm");
\r
1252 mkdir_path(path, pos, "cfg");
\r
1256 make_config_cfg(path);
\r
1257 config_readlrom(path);
\r
1260 PicoIn.osdMessage = plat_status_msg_busy_next;
\r
1261 PicoIn.mcdTrayOpen = emu_tray_open;
\r
1262 PicoIn.mcdTrayClose = emu_tray_close;
\r
1267 void emu_finish(void)
\r
1270 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && Pico.sv.changed) {
\r
1271 emu_save_load_game(0, 1);
\r
1272 Pico.sv.changed = 0;
\r
1275 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {
\r
1277 make_config_cfg(cfg);
\r
1278 config_writelrom(cfg);
\r
1290 static void snd_write_nonblocking(int len)
\r
1292 sndout_write_nb(PicoIn.sndOut, len);
\r
1295 void emu_sound_start(void)
\r
1297 PicoIn.sndOut = NULL;
\r
1299 if (currentConfig.EmuOpt & EOPT_EN_SOUND)
\r
1301 int is_stereo = (PicoIn.opt & POPT_EN_STEREO) ? 1 : 0;
\r
1303 PsndRerate(Pico.m.frame_count ? 1 : 0);
\r
1305 printf("starting audio: %i len: %i stereo: %i, pal: %i\n",
\r
1306 PicoIn.sndRate, Pico.snd.len, is_stereo, Pico.m.pal);
\r
1307 sndout_start(PicoIn.sndRate, is_stereo);
\r
1308 PicoIn.writeSound = snd_write_nonblocking;
\r
1309 plat_update_volume(0, 0);
\r
1310 memset(sndBuffer, 0, sizeof(sndBuffer));
\r
1311 PicoIn.sndOut = sndBuffer;
\r
1315 void emu_sound_stop(void)
\r
1320 void emu_sound_wait(void)
\r
1325 static void emu_loop_prep(void)
\r
1327 static int pal_old = -1;
\r
1328 static int filter_old = -1;
\r
1330 if (currentConfig.CPUclock != plat_target_cpu_clock_get())
\r
1331 plat_target_cpu_clock_set(currentConfig.CPUclock);
\r
1333 if (Pico.m.pal != pal_old) {
\r
1334 plat_target_lcdrate_set(Pico.m.pal);
\r
1335 pal_old = Pico.m.pal;
\r
1338 if (currentConfig.filter != filter_old) {
\r
1339 plat_target_hwfilter_set(currentConfig.filter);
\r
1340 filter_old = currentConfig.filter;
\r
1343 plat_target_gamma_set(currentConfig.gamma, 0);
\r
1348 /* our tick here is 1 us right now */
\r
1349 #define ms_to_ticks(x) (unsigned int)(x * 1000)
\r
1350 #define get_ticks() plat_get_ticks_us()
\r
1352 void emu_loop(void)
\r
1354 int frames_done, frames_shown; /* actual frames for fps counter */
\r
1355 int target_frametime_x3;
\r
1356 unsigned int timestamp_x3 = 0;
\r
1357 unsigned int timestamp_aim_x3 = 0;
\r
1358 unsigned int timestamp_fps_x3 = 0;
\r
1359 char *notice_msg = NULL;
\r
1361 int fskip_cnt = 0;
\r
1365 PicoLoopPrepare();
\r
1367 plat_video_loop_prepare();
\r
1369 pemu_sound_start();
\r
1371 /* number of ticks per frame */
\r
1373 target_frametime_x3 = 3 * ms_to_ticks(1000) / 50;
\r
1375 target_frametime_x3 = 3 * ms_to_ticks(1000) / 60;
\r
1378 frames_done = frames_shown = 0;
\r
1380 /* loop with resync every 1 sec. */
\r
1381 while (engineState == PGS_Running)
\r
1386 pprof_start(main);
\r
1388 if (reset_timing) {
\r
1390 plat_video_wait_vsync();
\r
1391 timestamp_aim_x3 = get_ticks() * 3;
\r
1392 timestamp_fps_x3 = timestamp_aim_x3;
\r
1395 else if (currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) {
\r
1396 timestamp_aim_x3 = get_ticks() * 3;
\r
1399 timestamp_x3 = get_ticks() * 3;
\r
1401 // show notice_msg message?
\r
1402 if (notice_msg_time != 0)
\r
1404 static int noticeMsgSum;
\r
1405 if (timestamp_x3 - ms_to_ticks(notice_msg_time) * 3
\r
1406 > ms_to_ticks(STATUS_MSG_TIMEOUT) * 3)
\r
1408 notice_msg_time = 0;
\r
1409 plat_status_msg_clear();
\r
1410 plat_video_flip();
\r
1411 plat_status_msg_clear(); /* Do it again in case of double buffering */
\r
1412 notice_msg = NULL;
\r
1415 int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];
\r
1416 if (sum != noticeMsgSum) {
\r
1417 plat_status_msg_clear();
\r
1418 noticeMsgSum = sum;
\r
1420 notice_msg = noticeMsg;
\r
1424 // second changed?
\r
1425 if (timestamp_x3 - timestamp_fps_x3 >= ms_to_ticks(1000) * 3)
\r
1428 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];
\r
1429 if (++bench == 10) {
\r
1431 bench_fps_s = bench_fps;
\r
1432 bf[bfp++ & 3] = bench_fps;
\r
1435 bench_fps += frames_shown;
\r
1436 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);
\r
1437 printf("%s\n", fpsbuff);
\r
1439 if (currentConfig.EmuOpt & EOPT_SHOW_FPS)
\r
1440 snprintf(fpsbuff, 8, "%02i/%02i ", frames_shown, frames_done);
\r
1442 frames_shown = frames_done = 0;
\r
1443 timestamp_fps_x3 += ms_to_ticks(1000) * 3;
\r
1446 sprintf(fpsbuff, "%i", Pico.m.frame_count);
\r
1449 diff = timestamp_aim_x3 - timestamp_x3;
\r
1451 if (currentConfig.Frameskip >= 0) // frameskip enabled (or 0)
\r
1453 if (fskip_cnt < currentConfig.Frameskip) {
\r
1461 else if (diff < -target_frametime_x3)
\r
1463 /* no time left for this frame - skip */
\r
1464 /* limit auto frameskip to 8 */
\r
1465 if (frames_done / 8 <= frames_shown)
\r
1469 // don't go in debt too much
\r
1470 while (diff < -target_frametime_x3 * 3) {
\r
1471 timestamp_aim_x3 += target_frametime_x3;
\r
1472 diff = timestamp_aim_x3 - timestamp_x3;
\r
1475 emu_update_input();
\r
1477 int do_audio = diff > -target_frametime_x3 * 2;
\r
1478 PicoIn.skipFrame = do_audio ? 1 : 2;
\r
1480 PicoIn.skipFrame = 0;
\r
1484 pemu_finalize_frame(fpsbuff, notice_msg);
\r
1488 timestamp_aim_x3 += target_frametime_x3;
\r
1490 if (!skip && !flip_after_sync)
\r
1491 plat_video_flip();
\r
1493 /* frame limiter */
\r
1494 if (!skip && !reset_timing
\r
1495 && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))
\r
1497 unsigned int timestamp = get_ticks();
\r
1498 diff = timestamp_aim_x3 - timestamp * 3;
\r
1500 // sleep or vsync if we are still too fast
\r
1501 if (diff > target_frametime_x3 && (currentConfig.EmuOpt & EOPT_VSYNC)) {
\r
1502 // we are too fast
\r
1503 plat_video_wait_vsync();
\r
1504 timestamp = get_ticks();
\r
1505 diff = timestamp * 3 - timestamp_aim_x3;
\r
1507 if (diff > target_frametime_x3) {
\r
1509 plat_wait_till_us(timestamp + (diff - target_frametime_x3) / 3);
\r
1513 if (!skip && flip_after_sync)
\r
1514 plat_video_flip();
\r
1519 emu_set_fastforward(0);
\r
1522 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && Pico.sv.changed) {
\r
1523 plat_status_msg_busy_first("Writing SRAM/BRAM...");
\r
1524 emu_save_load_game(0, 1);
\r
1525 Pico.sv.changed = 0;
\r