-// (c) Copyright 2006-2007 notaz, All rights reserved.\r
+// (c) Copyright 2006-2009 notaz, All rights reserved.\r
// Free for non-commercial use.\r
\r
// For commercial use, separate licencing terms must be obtained.\r
\r
#include <stdio.h>\r
#include <stdlib.h>\r
+#include <stdarg.h>\r
#ifndef NO_SYNC\r
#include <unistd.h>\r
#endif\r
#include <pico/pico_int.h>\r
#include <pico/patch.h>\r
#include <pico/cd/cue.h>\r
-#include <zlib/zlib.h>\r
\r
\r
+#define STATUS_MSG_TIMEOUT 2000\r
+\r
void *g_screen_ptr;\r
\r
#if !SCREEN_SIZE_FIXED\r
int pico_inp_mode = 0;\r
int engineState = PGS_Menu;\r
\r
+/* tmp buff to reduce stack usage for plats with small stack */\r
+static char static_buff[512];\r
/* TODO: len checking */\r
-char rom_fname_reload[512] = { 0, };\r
-char rom_fname_loaded[512] = { 0, };\r
+char rom_fname_reload[512];\r
+char rom_fname_loaded[512];\r
int rom_loaded = 0;\r
int reset_timing = 0;\r
+static unsigned int notice_msg_time; /* when started showing */\r
+static char noticeMsg[40];\r
\r
unsigned char *movie_data = NULL;\r
static int movie_size = 0;\r
return 0;\r
}\r
\r
-static void get_ext(char *file, char *ext)\r
+static void get_ext(const char *file, char *ext)\r
{\r
- char *p;\r
+ const char *p;\r
\r
p = file + strlen(file) - 4;\r
if (p < file) p = file;\r
strlwr_(ext);\r
}\r
\r
-static const char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
-static const char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
-static const char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
+static void fname_ext(char *dst, int dstlen, const char *prefix, const char *ext, const char *fname)\r
+{\r
+ int prefix_len = 0;\r
+ const char *p;\r
+\r
+ *dst = 0;\r
+ if (prefix) {\r
+ int len = plat_get_root_dir(dst, dstlen);\r
+ strcpy(dst + len, prefix);\r
+ prefix_len = len + strlen(prefix);\r
+ }\r
+\r
+ p = fname + strlen(fname) - 1;\r
+ for (; p >= fname && *p != PATH_SEP_C; p--)\r
+ ;\r
+ p++;\r
+ strncpy(dst + prefix_len, p, dstlen - prefix_len - 1);\r
+\r
+ dst[dstlen - 8] = 0;\r
+ if (dst[strlen(dst) - 4] == '.')\r
+ dst[strlen(dst) - 4] = 0;\r
+ if (ext)\r
+ strcat(dst, ext);\r
+}\r
+\r
+static void romfname_ext(char *dst, int dstlen, const char *prefix, const char *ext)\r
+{\r
+ fname_ext(dst, dstlen, prefix, ext, rom_fname_loaded);\r
+}\r
+\r
+void emu_status_msg(const char *format, ...)\r
+{\r
+ va_list vl;\r
+ int ret;\r
+\r
+ va_start(vl, format);\r
+ ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r
+ va_end(vl);\r
+\r
+ /* be sure old text gets overwritten */\r
+ for (; ret < 28; ret++)\r
+ noticeMsg[ret] = ' ';\r
+ noticeMsg[ret] = 0;\r
+\r
+ notice_msg_time = plat_get_ticks_ms();\r
+}\r
+\r
+static const char * const biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
+static const char * const biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
+static const char * const biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
\r
static int find_bios(int region, char **bios_file)\r
{\r
- static char bios_path[1024];\r
int i, count;\r
- const char **files;\r
+ const char * const *files;\r
FILE *f = NULL;\r
\r
if (region == 4) { // US\r
\r
for (i = 0; i < count; i++)\r
{\r
- emu_make_path(bios_path, files[i], sizeof(bios_path) - 4);\r
- strcat(bios_path, ".bin");\r
- f = fopen(bios_path, "rb");\r
+ emu_make_path(static_buff, files[i], sizeof(static_buff) - 4);\r
+ strcat(static_buff, ".bin");\r
+ f = fopen(static_buff, "rb");\r
if (f) break;\r
\r
- bios_path[strlen(bios_path) - 4] = 0;\r
- strcat(bios_path, ".zip");\r
- f = fopen(bios_path, "rb");\r
+ static_buff[strlen(static_buff) - 4] = 0;\r
+ strcat(static_buff, ".zip");\r
+ f = fopen(static_buff, "rb");\r
if (f) break;\r
}\r
\r
if (f) {\r
- lprintf("using bios: %s\n", bios_path);\r
+ lprintf("using bios: %s\n", static_buff);\r
fclose(f);\r
- if (bios_file) *bios_file = bios_path;\r
+ if (bios_file)\r
+ *bios_file = static_buff;\r
return 1;\r
} else {\r
- sprintf(bios_path, "no %s BIOS files found, read docs",\r
+ sprintf(static_buff, "no %s BIOS files found, read docs",\r
region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
- me_update_msg(bios_path);\r
+ me_update_msg(static_buff);\r
return 0;\r
}\r
}\r
\r
static unsigned char id_header[0x100];\r
\r
-/* checks if fname points to valid MegaCD image\r
- * if so, checks for suitable BIOS */\r
-int emu_cd_check(int *pregion, char *fname_in)\r
+/* checks if fname points to valid MegaCD image */\r
+static int emu_cd_check(int *pregion, const char *fname_in)\r
{\r
+ const char *fname = fname_in;\r
unsigned char buf[32];\r
pm_file *cd_f;\r
int region = 4; // 1: Japan, 4: US, 8: Europe\r
- char ext[5], *fname = fname_in;\r
+ char ext[5];\r
cue_track_type type = CT_UNKNOWN;\r
cue_data_t *cue_data = NULL;\r
\r
return type;\r
}\r
\r
+static int detect_media(const char *fname)\r
+{\r
+ static const short sms_offsets[] = { 0x7ff0, 0x3ff0, 0x1ff0 };\r
+ static const char *sms_exts[] = { "sms", "gg", "sg" };\r
+ static const char *md_exts[] = { "gen", "bin", "smd" };\r
+ char buff0[32], buff[32];\r
+ unsigned short *d16;\r
+ pm_file *pmf;\r
+ char ext[5];\r
+ int i;\r
+\r
+ get_ext(fname, ext);\r
+\r
+ // detect wrong extensions\r
+ if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) // s.gz ~ .mds.gz\r
+ return PM_BAD;\r
+\r
+ /* don't believe in extensions, except .cue */\r
+ if (strcasecmp(ext, ".cue") == 0)\r
+ return PM_CD;\r
+\r
+ pmf = pm_open(fname);\r
+ if (pmf == NULL)\r
+ return PM_BAD;\r
+\r
+ if (pm_read(buff0, 32, pmf) != 32) {\r
+ pm_close(pmf);\r
+ return PM_BAD;\r
+ }\r
+\r
+ if (strncasecmp("SEGADISCSYSTEM", buff0 + 0x00, 14) == 0 ||\r
+ strncasecmp("SEGADISCSYSTEM", buff0 + 0x10, 14) == 0) {\r
+ pm_close(pmf);\r
+ return PM_CD;\r
+ }\r
+\r
+ /* check for SMD evil */\r
+ if (pmf->size >= 0x4200 && (pmf->size & 0x3fff) == 0x200) {\r
+ if (pm_seek(pmf, sms_offsets[0] + 0x200, SEEK_SET) == sms_offsets[0] + 0x200 &&\r
+ pm_read(buff, 16, pmf) == 16 &&\r
+ strncmp("TMR SEGA", buff, 8) == 0)\r
+ goto looks_like_sms;\r
+\r
+ /* could parse further but don't bother */\r
+ goto extension_check;\r
+ }\r
+\r
+ /* MD header? Act as TMSS BIOS here */\r
+ if (pm_seek(pmf, 0x100, SEEK_SET) == 0x100 && pm_read(buff, 16, pmf) == 16) {\r
+ if (strncmp(buff, "SEGA", 4) == 0 || strncmp(buff, " SEG", 4) == 0)\r
+ goto looks_like_md;\r
+ }\r
+\r
+ for (i = 0; i < array_size(sms_offsets); i++) {\r
+ if (pm_seek(pmf, sms_offsets[i], SEEK_SET) != sms_offsets[i])\r
+ continue;\r
+\r
+ if (pm_read(buff, 16, pmf) != 16)\r
+ continue;\r
+\r
+ if (strncmp("TMR SEGA", buff, 8) == 0)\r
+ goto looks_like_sms;\r
+ }\r
+\r
+extension_check:\r
+ /* probably some headerless thing. Maybe check the extension after all. */\r
+ for (i = 0; i < array_size(md_exts); i++)\r
+ if (strcasecmp(pmf->ext, md_exts[i]) == 0)\r
+ goto looks_like_md;\r
+\r
+ for (i = 0; i < array_size(sms_exts); i++)\r
+ if (strcasecmp(pmf->ext, sms_exts[i]) == 0)\r
+ goto looks_like_sms;\r
+\r
+ /* If everything else fails, make a guess on the reset vector */\r
+ d16 = (unsigned short *)(buff0 + 4);\r
+ if ((((d16[0] << 16) | d16[1]) & 0xffffff) >= pmf->size) {\r
+ lprintf("bad MD reset vector, assuming SMS\n");\r
+ goto looks_like_sms;\r
+ }\r
+\r
+looks_like_md:\r
+ pm_close(pmf);\r
+ return PM_MD_CART;\r
+\r
+looks_like_sms:\r
+ pm_close(pmf);\r
+ return PM_MARK3;\r
+}\r
+\r
static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r
{\r
char *p = dest;\r
return p - dest;\r
}\r
\r
-static char *emu_make_rom_id(void)\r
+static char *emu_make_rom_id(const char *fname)\r
{\r
static char id_string[3+0xe*3+0x3*3+0x30*3+3];\r
int pos, swab = 1;\r
strcpy(id_string, "CD|");\r
swab = 0;\r
}\r
- else strcpy(id_string, "MD|");\r
+ else if (PicoAHW & PAHW_SMS)\r
+ strcpy(id_string, "MS|");\r
+ else strcpy(id_string, "MD|");\r
pos = 3;\r
\r
- pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial\r
- id_string[pos] = '|'; pos++;\r
- pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region\r
- id_string[pos] = '|'; pos++;\r
- pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name\r
- id_string[pos] = 0;\r
+ if (!(PicoAHW & PAHW_SMS)) {\r
+ pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial\r
+ id_string[pos] = '|'; pos++;\r
+ pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region\r
+ id_string[pos] = '|'; pos++;\r
+ pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name\r
+ id_string[pos] = 0;\r
+ if (pos > 5)\r
+ return id_string;\r
+ pos = 3;\r
+ }\r
+\r
+ // can't find name in ROM, use filename\r
+ fname_ext(id_string + 3, sizeof(id_string) - 3, NULL, NULL, fname);\r
\r
return id_string;\r
}\r
PicoAHW &= ~PAHW_MCD;\r
}\r
\r
+static void system_announce(void)\r
+{\r
+ const char *sys_name, *tv_standard, *extra = "";\r
+ int fps;\r
+\r
+ if (PicoAHW & PAHW_SMS) {\r
+ sys_name = "Master System";\r
+#ifdef NO_SMS\r
+ extra = " [no support]";\r
+#endif\r
+ } else if (PicoAHW & PAHW_PICO) {\r
+ sys_name = "Pico";\r
+ } else if (PicoAHW & PAHW_MCD) {\r
+ sys_name = "Mega CD";\r
+ if ((Pico.m.hardware & 0xc0) == 0x80)\r
+ sys_name = "Sega CD";\r
+ } else if (PicoAHW & PAHW_32X) {\r
+ sys_name = "32X";\r
+ } else {\r
+ sys_name = "MegaDrive";\r
+ if ((Pico.m.hardware & 0xc0) == 0x80)\r
+ sys_name = "Genesis";\r
+ }\r
+ tv_standard = Pico.m.pal ? "PAL" : "NTSC";\r
+ fps = Pico.m.pal ? 50 : 60;\r
+\r
+ emu_status_msg("%s %s / %dFPS%s", tv_standard, sys_name, fps, extra);\r
+}\r
+\r
// note: this function might mangle rom_fname\r
+// XXX: portions of this code should move to pico/\r
int emu_reload_rom(char *rom_fname)\r
{\r
unsigned int rom_size = 0;\r
unsigned char *rom_data = NULL;\r
char ext[5];\r
pm_file *rom = NULL;\r
- int ret, cd_state, cd_region, cfg_loaded = 0;\r
+ int cd_state = CIT_NOT_CD;\r
+ int ret, media_type, cd_region;\r
+ int cfg_loaded = 0, bad_rom = 0;\r
\r
lprintf("emu_ReloadRom(%s)\n", rom_fname);\r
\r
get_ext(rom_fname, ext);\r
\r
- // detect wrong extensions\r
- if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
- me_update_msg("Not a ROM/CD selected.");\r
- return 0;\r
- }\r
-\r
+ // early cleanup\r
PicoPatchUnload();\r
-\r
- // check for movie file\r
if (movie_data) {\r
free(movie_data);\r
movie_data = 0;\r
}\r
+\r
if (!strcmp(ext, ".gmv"))\r
{\r
// check for both gmv and rom\r
int dummy;\r
FILE *movie_file = fopen(rom_fname, "rb");\r
- if(!movie_file) {\r
+ if (!movie_file) {\r
me_update_msg("Failed to open movie.");\r
return 0;\r
}\r
fseek(movie_file, 0, SEEK_END);\r
movie_size = ftell(movie_file);\r
fseek(movie_file, 0, SEEK_SET);\r
- if(movie_size < 64+3) {\r
+ if (movie_size < 64+3) {\r
me_update_msg("Invalid GMV file.");\r
fclose(movie_file);\r
return 0;\r
}\r
movie_data = malloc(movie_size);\r
- if(movie_data == NULL) {\r
+ if (movie_data == NULL) {\r
me_update_msg("low memory.");\r
fclose(movie_file);\r
return 0;\r
}\r
- fread(movie_data, 1, movie_size, movie_file);\r
+ dummy = fread(movie_data, 1, movie_size, movie_file);\r
fclose(movie_file);\r
if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
me_update_msg("Invalid GMV file.");\r
get_ext(rom_fname, ext);\r
}\r
\r
+ media_type = detect_media(rom_fname);\r
+ if (media_type == PM_BAD) {\r
+ me_update_msg("Not a ROM/CD img selected.");\r
+ return 0;\r
+ }\r
+\r
shutdown_MCD();\r
+ PicoCartUnload();\r
+ rom_loaded = 0;\r
\r
- // check for MegaCD image\r
- cd_state = emu_cd_check(&cd_region, rom_fname);\r
- if (cd_state >= 0 && cd_state != CIT_NOT_CD)\r
+ PicoAHW = 0;\r
+\r
+ if (media_type == PM_CD)\r
{\r
- PicoAHW |= PAHW_MCD;\r
- // valid CD image, check for BIOS..\r
+ // check for MegaCD image\r
+ cd_state = emu_cd_check(&cd_region, rom_fname);\r
+ if (cd_state >= 0 && cd_state != CIT_NOT_CD)\r
+ {\r
+ // valid CD image, check for BIOS..\r
+\r
+ // we need to have config loaded at this point\r
+ ret = emu_read_config(rom_fname, 0);\r
+ if (!ret) emu_read_config(NULL, 0);\r
+ cfg_loaded = 1;\r
\r
- // we need to have config loaded at this point\r
- ret = emu_read_config(1, 1);\r
- if (!ret) emu_read_config(0, 1);\r
- cfg_loaded = 1;\r
+ if (PicoRegionOverride) {\r
+ cd_region = PicoRegionOverride;\r
+ lprintf("override region to %s\n", cd_region != 4 ?\r
+ (cd_region == 8 ? "EU" : "JAP") : "USA");\r
+ }\r
+ if (!find_bios(cd_region, &used_rom_name))\r
+ return 0;\r
\r
- if (PicoRegionOverride) {\r
- cd_region = PicoRegionOverride;\r
- lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");\r
+ get_ext(used_rom_name, ext);\r
+ PicoAHW |= PAHW_MCD;\r
}\r
- if (!find_bios(cd_region, &used_rom_name)) {\r
- PicoAHW &= ~PAHW_MCD;\r
+ else {\r
+ me_update_msg("Invalid CD image");\r
return 0;\r
}\r
-\r
- get_ext(used_rom_name, ext);\r
}\r
- else\r
- {\r
- if (PicoAHW & PAHW_MCD) Stop_CD();\r
- PicoAHW &= ~PAHW_MCD;\r
+ else if (media_type == PM_MARK3) {\r
+ lprintf("detected SMS ROM\n");\r
+ PicoAHW = PAHW_SMS;\r
}\r
\r
rom = pm_open(used_rom_name);\r
- if (!rom) {\r
- me_update_msg("Failed to open ROM/CD image");\r
- goto fail;\r
- }\r
-\r
- if (cd_state < 0) {\r
- me_update_msg("Invalid CD image");\r
- goto fail;\r
+ if (rom == NULL) {\r
+ me_update_msg("Failed to open ROM");\r
+ return 0;\r
}\r
\r
menu_romload_prepare(used_rom_name); // also CD load\r
+ used_rom_name = NULL; // uses static_buff\r
\r
- PicoCartUnload();\r
- rom_loaded = 0;\r
-\r
- if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
+ ret = PicoCartLoad(rom, &rom_data, &rom_size, (PicoAHW & PAHW_SMS) ? 1 : 0);\r
+ pm_close(rom);\r
+ if (ret != 0) {\r
if (ret == 2) me_update_msg("Out of memory");\r
else if (ret == 3) me_update_msg("Read failed");\r
else me_update_msg("PicoCartLoad() failed.");\r
- goto fail2;\r
+ goto fail;\r
}\r
- pm_close(rom);\r
- rom = NULL;\r
\r
- // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
- if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
- ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
- if (rom_data) free(rom_data);\r
- me_update_msg("Not a ROM selected.");\r
- goto fail2;\r
+ // detect wrong files\r
+ if (strncmp((char *)rom_data, "Pico", 4) == 0)\r
+ bad_rom = 1;\r
+ else if (!(PicoAHW & PAHW_SMS)) {\r
+ unsigned short *d = (unsigned short *)(rom_data + 4);\r
+ if ((((d[0] << 16) | d[1]) & 0xffffff) >= (int)rom_size) {\r
+ lprintf("bad reset vector\n");\r
+ bad_rom = 1;\r
+ }\r
+ }\r
+\r
+ if (bad_rom) {\r
+ me_update_msg("Bad ROM detected.");\r
+ goto fail;\r
}\r
\r
// load config for this ROM (do this before insert to get correct region)\r
if (!(PicoAHW & PAHW_MCD))\r
memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r
if (!cfg_loaded) {\r
- ret = emu_read_config(1, 1);\r
- if (!ret) emu_read_config(0, 1);\r
+ ret = emu_read_config(rom_fname, 0);\r
+ if (!ret) emu_read_config(NULL, 0);\r
}\r
\r
- lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
- if (PicoCartInsert(rom_data, rom_size)) {\r
+ emu_make_path(static_buff, "carthw.cfg", sizeof(static_buff));\r
+ if (PicoCartInsert(rom_data, rom_size, static_buff)) {\r
me_update_msg("Failed to load ROM.");\r
- goto fail2;\r
+ goto fail;\r
}\r
\r
// insert CD if it was detected\r
if (cd_state != CIT_NOT_CD) {\r
ret = Insert_CD(rom_fname, cd_state);\r
if (ret != 0) {\r
+ PicoCartUnload();\r
+ rom_data = NULL; // freed by unload\r
me_update_msg("Insert_CD() failed, invalid CD image?");\r
- goto fail2;\r
+ goto fail;\r
}\r
}\r
\r
// TODO: bits 6 & 5\r
}\r
movie_data[0x18+30] = 0;\r
- plat_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r
+ emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r
}\r
else\r
{\r
+ system_announce();\r
PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
- plat_status_msg(Pico.m.pal ? "PAL SYSTEM / 50 FPS" : "NTSC SYSTEM / 60 FPS");\r
}\r
\r
+ strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r
+ rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
+ rom_loaded = 1;\r
+\r
// load SRAM for this ROM\r
if (currentConfig.EmuOpt & EOPT_EN_SRAM)\r
emu_save_load_game(1, 1);\r
\r
- strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r
- rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
- rom_loaded = 1;\r
return 1;\r
\r
-fail2:\r
- menu_romload_end();\r
fail:\r
- if (rom != NULL) pm_close(rom);\r
+ if (rom_data)\r
+ free(rom_data);\r
+ menu_romload_end();\r
return 0;\r
}\r
\r
-static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
+int emu_swap_cd(const char *fname)\r
{\r
- char *p;\r
- int prefix_len = 0;\r
-\r
- // make save filename\r
- p = rom_fname_loaded + strlen(rom_fname_loaded) - 1;\r
- for (; p >= rom_fname_loaded && *p != PATH_SEP_C; p--); p++;\r
- *dst = 0;\r
- if (prefix) {\r
- int len = plat_get_root_dir(dst, 512);\r
- strcpy(dst + len, prefix);\r
- prefix_len = len + strlen(prefix);\r
+ cd_img_type cd_type;\r
+ int ret = -1;\r
+\r
+ cd_type = emu_cd_check(NULL, fname);\r
+ if (cd_type != CIT_NOT_CD)\r
+ ret = Insert_CD(fname, cd_type);\r
+ if (ret != 0) {\r
+ me_update_msg("Load failed, invalid CD image?");\r
+ return 0;\r
}\r
-#ifdef UIQ3\r
- else p = rom_fname_loaded; // backward compatibility\r
-#endif\r
- strncpy(dst + prefix_len, p, 511-prefix_len);\r
- dst[511-8] = 0;\r
- if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
- if (ext) strcat(dst, ext);\r
+\r
+ strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);\r
+ rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
+ return 1;\r
}\r
\r
+// <base dir><end>\r
void emu_make_path(char *buff, const char *end, int size)\r
{\r
int pos, end_len;\r
cfg_buff_512[511] = 0;\r
}\r
\r
-static void emu_setDefaultConfig(void)\r
+void emu_prep_defconfig(void)\r
+{\r
+ memset(&defaultConfig, 0, sizeof(defaultConfig));\r
+ defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_EN_CD_LEDS;\r
+ defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |\r
+ POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES |\r
+ POPT_EN_32X|POPT_EN_PWM;\r
+ defaultConfig.s_PsndRate = 44100;\r
+ defaultConfig.s_PicoRegion = 0; // auto\r
+ defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
+ defaultConfig.s_PicoCDBuffers = 0;\r
+ defaultConfig.confirm_save = EOPT_CONFIRM_SAVE;\r
+ defaultConfig.Frameskip = -1; // auto\r
+ defaultConfig.volume = 50;\r
+ defaultConfig.gamma = 100;\r
+ defaultConfig.scaling = 0;\r
+ defaultConfig.turbo_rate = 15;\r
+\r
+ // platform specific overrides\r
+ pemu_prep_defconfig();\r
+}\r
+\r
+void emu_set_defconfig(void)\r
{\r
memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));\r
PicoOpt = currentConfig.s_PicoOpt;\r
PicoRegionOverride = currentConfig.s_PicoRegion;\r
PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r
+ p32x_msh2_multiplier = MSH2_MULTI_DEFAULT;\r
+ p32x_ssh2_multiplier = SSH2_MULTI_DEFAULT;\r
}\r
\r
-int emu_read_config(int game, int no_defaults)\r
+int emu_read_config(const char *rom_fname, int no_defaults)\r
{\r
char cfg[512];\r
int ret;\r
\r
- if (!game)\r
+ if (!no_defaults)\r
+ emu_set_defconfig();\r
+\r
+ if (rom_fname == NULL)\r
{\r
- if (!no_defaults)\r
- emu_setDefaultConfig();\r
+ // global config\r
make_config_cfg(cfg);\r
ret = config_readsect(cfg, NULL);\r
}\r
else\r
{\r
- char *sect = emu_make_rom_id();\r
+ char *sect = emu_make_rom_id(rom_fname);\r
\r
- // try new .cfg way\r
if (config_slot != 0)\r
sprintf(cfg, "game.%i.cfg", config_slot);\r
else strcpy(cfg, "game.cfg");\r
{\r
// read user's config\r
int vol = currentConfig.volume;\r
- emu_setDefaultConfig();\r
+ emu_set_defconfig();\r
ret = config_readsect(cfg, sect);\r
currentConfig.volume = vol; // make vol global (bah)\r
}\r
// read global config, and apply game_def.cfg on top\r
make_config_cfg(cfg);\r
config_readsect(cfg, NULL);\r
- ret = config_readsect("game_def.cfg", sect);\r
+ emu_make_path(cfg, "game_def.cfg", sizeof(cfg));\r
+ ret = config_readsect(cfg, sect);\r
}\r
\r
if (ret == 0)\r
}\r
}\r
\r
- plat_validate_config();\r
+ pemu_validate_config();\r
\r
// some sanity checks\r
#ifdef PSP\r
if (config_slot != 0)\r
sprintf(cfg, "game.%i.cfg", config_slot);\r
else strcpy(cfg, "game.cfg");\r
- game_sect = emu_make_rom_id();\r
+ game_sect = emu_make_rom_id(rom_fname_loaded);\r
lprintf("emu_write_config: sect \"%s\"\n", game_sect);\r
}\r
\r
\r
/* always using built-in font */\r
\r
-#define mk_text_out(name, type, val) \\r
+#define mk_text_out(name, type, val, topleft, step_x, step_y) \\r
void name(int x, int y, const char *text) \\r
{ \\r
int i, l, len = strlen(text); \\r
- type *screen = (type *)g_screen_ptr + x + y * g_screen_width; \\r
+ type *screen = (type *)(topleft) + x * step_x + y * step_y; \\r
\\r
- for (i = 0; i < len; i++, screen += 8) \\r
+ for (i = 0; i < len; i++, screen += 8 * step_x) \\r
{ \\r
for (l = 0; l < 8; l++) \\r
{ \\r
unsigned char fd = fontdata8x8[text[i] * 8 + l];\\r
- type *s = screen + l * g_screen_width; \\r
- if (fd&0x80) s[0] = val; \\r
- if (fd&0x40) s[1] = val; \\r
- if (fd&0x20) s[2] = val; \\r
- if (fd&0x10) s[3] = val; \\r
- if (fd&0x08) s[4] = val; \\r
- if (fd&0x04) s[5] = val; \\r
- if (fd&0x02) s[6] = val; \\r
- if (fd&0x01) s[7] = val; \\r
+ type *s = screen + l * step_y; \\r
+ if (fd&0x80) s[step_x * 0] = val; \\r
+ if (fd&0x40) s[step_x * 1] = val; \\r
+ if (fd&0x20) s[step_x * 2] = val; \\r
+ if (fd&0x10) s[step_x * 3] = val; \\r
+ if (fd&0x08) s[step_x * 4] = val; \\r
+ if (fd&0x04) s[step_x * 5] = val; \\r
+ if (fd&0x02) s[step_x * 6] = val; \\r
+ if (fd&0x01) s[step_x * 7] = val; \\r
} \\r
} \\r
}\r
\r
-mk_text_out(emu_textOut8, unsigned char, 0xf0)\r
-mk_text_out(emu_textOut16, unsigned short, 0xffff)\r
+mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_width)\r
+mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_width)\r
+mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,\r
+ (char *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r
+mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,\r
+ (short *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r
\r
#undef mk_text_out\r
\r
if (offs+3 > movie_size) {\r
free(movie_data);\r
movie_data = 0;\r
- plat_status_msg("END OF MOVIE.");\r
+ emu_status_msg("END OF MOVIE.");\r
lprintf("END OF MOVIE.\n");\r
} else {\r
// MXYZ SACB RLDU\r
}\r
}\r
\r
-\r
-static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
-{\r
- return gzread(file, p, _n);\r
-}\r
-\r
-\r
-static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
-{\r
- return gzwrite(file, p, _n);\r
-}\r
-\r
static int try_ropen_file(const char *fname)\r
{\r
FILE *f;\r
\r
char *emu_get_save_fname(int load, int is_sram, int slot)\r
{\r
- static char saveFname[512];\r
+ char *saveFname = static_buff;\r
char ext[16];\r
\r
if (is_sram)\r
{\r
- romfname_ext(saveFname, (PicoAHW&1) ? "brm"PATH_SEP : "srm"PATH_SEP, (PicoAHW&1) ? ".brm" : ".srm");\r
- if (load) {\r
- if (try_ropen_file(saveFname)) return saveFname;\r
- // try in current dir..\r
- romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
- if (try_ropen_file(saveFname)) return saveFname;\r
- return NULL; // give up\r
- }\r
+ strcpy(ext, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
+ romfname_ext(saveFname, sizeof(static_buff),\r
+ (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);\r
+ if (!load)\r
+ return saveFname;\r
+\r
+ if (try_ropen_file(saveFname))\r
+ return saveFname;\r
+\r
+ romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r
+ if (try_ropen_file(saveFname))\r
+ return saveFname;\r
}\r
else\r
{\r
+ const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";\r
+ const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";\r
ext[0] = 0;\r
- if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
- strcat(ext, (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds");\r
-\r
- romfname_ext(saveFname, "mds" PATH_SEP, ext);\r
- if (load) {\r
- if (try_ropen_file(saveFname)) return saveFname;\r
- romfname_ext(saveFname, NULL, ext);\r
- if (try_ropen_file(saveFname)) return saveFname;\r
- // no gzipped states, search for non-gzipped\r
- if (currentConfig.EmuOpt & EOPT_GZIP_SAVES)\r
- {\r
- ext[0] = 0;\r
- if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
- strcat(ext, ".mds");\r
-\r
- romfname_ext(saveFname, "mds"PATH_SEP, ext);\r
- if (try_ropen_file(saveFname)) return saveFname;\r
- romfname_ext(saveFname, NULL, ext);\r
- if (try_ropen_file(saveFname)) return saveFname;\r
- }\r
- return NULL;\r
+ if (slot > 0 && slot < 10)\r
+ sprintf(ext, ".%i", slot);\r
+ strcat(ext, ext_main);\r
+\r
+ if (!load) {\r
+ romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r
+ return saveFname;\r
+ }\r
+ else {\r
+ romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r
+ if (try_ropen_file(saveFname))\r
+ return saveFname;\r
+\r
+ romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r
+ if (try_ropen_file(saveFname))\r
+ return saveFname;\r
+\r
+ // try the other ext\r
+ ext[0] = 0;\r
+ if (slot > 0 && slot < 10)\r
+ sprintf(ext, ".%i", slot);\r
+ strcat(ext, ext_othr);\r
+\r
+ romfname_ext(saveFname, sizeof(static_buff), "mds"PATH_SEP, ext);\r
+ if (try_ropen_file(saveFname))\r
+ return saveFname;\r
}\r
}\r
\r
- return saveFname;\r
+ return NULL;\r
}\r
\r
-int emu_check_save_file(int slot)\r
+int emu_check_save_file(int slot, int *time)\r
{\r
return emu_get_save_fname(1, 0, slot) ? 1 : 0;\r
}\r
\r
-void emu_setSaveStateCbs(int gz)\r
-{\r
- if (gz) {\r
- areaRead = gzRead2;\r
- areaWrite = gzWrite2;\r
- areaEof = (areaeof *) gzeof;\r
- areaSeek = (areaseek *) gzseek;\r
- areaClose = (areaclose *) gzclose;\r
- } else {\r
- areaRead = (arearw *) fread;\r
- areaWrite = (arearw *) fwrite;\r
- areaEof = (areaeof *) feof;\r
- areaSeek = (areaseek *) fseek;\r
- areaClose = (areaclose *) fclose;\r
- }\r
-}\r
-\r
int emu_save_load_game(int load, int sram)\r
{\r
int ret = 0;\r
saveFname = emu_get_save_fname(load, sram, state_slot);\r
if (saveFname == NULL) {\r
if (!sram)\r
- plat_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r
+ emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r
return -1;\r
}\r
\r
int truncate = 1;\r
if (PicoAHW & PAHW_MCD)\r
{\r
- if (PicoOpt&POPT_EN_MCD_RAMCART) {\r
+ if (PicoOpt & POPT_EN_MCD_RAMCART) {\r
sram_size = 0x12000;\r
sram_data = SRam.data;\r
if (sram_data)\r
truncate = 0; // the .brm may contain RAM cart data after normal brm\r
}\r
} else {\r
- sram_size = SRam.end-SRam.start+1;\r
- if(Pico.m.sram_reg & 4) sram_size=0x2000;\r
+ sram_size = SRam.size;\r
sram_data = SRam.data;\r
}\r
- if (!sram_data) return 0; // SRam forcefully disabled for this game\r
+ if (sram_data == NULL)\r
+ return 0; // SRam forcefully disabled for this game\r
\r
if (load)\r
{\r
sramFile = fopen(saveFname, "rb");\r
- if(!sramFile) return -1;\r
- fread(sram_data, 1, sram_size, sramFile);\r
+ if (!sramFile)\r
+ return -1;\r
+ ret = fread(sram_data, 1, sram_size, sramFile);\r
+ ret = ret > 0 ? 0 : -1;\r
fclose(sramFile);\r
if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r
memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
}\r
else\r
{\r
- void *PmovFile = NULL;\r
- if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)\r
- {\r
- if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
- emu_setSaveStateCbs(1);\r
- if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
- }\r
- }\r
- else\r
- {\r
- if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
- emu_setSaveStateCbs(0);\r
- }\r
- }\r
- if(PmovFile) {\r
- ret = PmovState(load ? 6 : 5, PmovFile);\r
- areaClose(PmovFile);\r
- PmovFile = 0;\r
- if (load) Pico.m.dirtyPal=1;\r
+ ret = PicoState(saveFname, !load);\r
+ if (!ret) {\r
#ifndef NO_SYNC\r
- else sync();\r
+ if (!load) sync();\r
#endif\r
- }\r
- else ret = -1;\r
- if (!ret)\r
- plat_status_msg(load ? "GAME LOADED" : "GAME SAVED");\r
- else\r
- {\r
- plat_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r
+ emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");\r
+ } else {\r
+ emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r
ret = -1;\r
}\r
\r
currentConfig.EmuOpt &= ~4;\r
currentConfig.EmuOpt |= 0x40000;\r
is_on = 1;\r
- plat_status_msg("FAST FORWARD");\r
+ emu_status_msg("FAST FORWARD");\r
}\r
else if (!set_on && is_on) {\r
PsndOut = set_PsndOut;\r
}\r
}\r
\r
-static void emu_msg_tray_open(void)\r
+static void emu_tray_open(void)\r
{\r
- plat_status_msg("CD tray opened");\r
+ engineState = PGS_TrayMenu;\r
+}\r
+\r
+static void emu_tray_close(void)\r
+{\r
+ emu_status_msg("CD tray closed.");\r
+}\r
+\r
+void emu_32x_startup(void)\r
+{\r
+ plat_video_toggle_renderer(0, 0); // HACK\r
+ system_announce();\r
+\r
+ // force mode change event\r
+ rendstatus_old = -1;\r
}\r
\r
void emu_reset_game(void)\r
if (pico_inp_mode > 2)\r
pico_inp_mode = 0;\r
switch (pico_inp_mode) {\r
- case 2: plat_status_msg("Input: Pen on Pad"); break;\r
- case 1: plat_status_msg("Input: Pen on Storyware"); break;\r
- case 0: plat_status_msg("Input: Joystick");\r
+ case 2: emu_status_msg("Input: Pen on Pad"); break;\r
+ case 1: emu_status_msg("Input: Pen on Storyware"); break;\r
+ case 0: emu_status_msg("Input: Joystick");\r
PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
break;\r
}\r
PicoPicohw.page--;\r
if (PicoPicohw.page < 0)\r
PicoPicohw.page = 0;\r
- plat_status_msg("Page %i", PicoPicohw.page);\r
+ emu_status_msg("Page %i", PicoPicohw.page);\r
}\r
if (events & PEV_PICO_PNEXT) {\r
PicoPicohw.page++;\r
if (PicoPicohw.page > 6)\r
PicoPicohw.page = 6;\r
- plat_status_msg("Page %i", PicoPicohw.page);\r
+ emu_status_msg("Page %i", PicoPicohw.page);\r
}\r
\r
if (pico_inp_mode == 0)\r
if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))\r
{\r
int do_it = 1;\r
- if ( emu_check_save_file(state_slot) &&\r
- (((which & PEV_STATE_LOAD) && (currentConfig.EmuOpt & EOPT_CONFIRM_LOAD)) ||\r
- ((which & PEV_STATE_SAVE) && (currentConfig.EmuOpt & EOPT_CONFIRM_SAVE))) )\r
+ if ( emu_check_save_file(state_slot, NULL) &&\r
+ (((which & PEV_STATE_LOAD) && (currentConfig.confirm_save & EOPT_CONFIRM_LOAD)) ||\r
+ ((which & PEV_STATE_SAVE) && (currentConfig.confirm_save & EOPT_CONFIRM_SAVE))) )\r
{\r
const char *nm;\r
char tmp[64];\r
\r
plat_status_msg_busy_first(tmp);\r
\r
- in_set_blocking(1);\r
- while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))\r
+ in_set_config_int(0, IN_CFG_BLOCKING, 1);\r
+ while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))\r
;\r
- while ( !((keys = in_menu_wait_any(50)) & (PBTN_MA3|PBTN_MBACK)) )\r
+ while ( !((keys = in_menu_wait_any(NULL, 50)) & (PBTN_MA3|PBTN_MBACK)) )\r
;\r
if (keys & PBTN_MBACK)\r
do_it = 0;\r
- while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))\r
+ while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))\r
;\r
- in_set_blocking(0);\r
+ in_set_config_int(0, IN_CFG_BLOCKING, 0);\r
}\r
if (do_it) {\r
- plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING GAME" : "SAVING GAME");\r
+ plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");\r
PicoStateProgressCB = plat_status_msg_busy_next;\r
emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);\r
PicoStateProgressCB = NULL;\r
}\r
if (which & PEV_SWITCH_RND)\r
{\r
- plat_video_toggle_renderer();\r
+ plat_video_toggle_renderer(1, 0);\r
}\r
if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))\r
{\r
state_slot = 0;\r
}\r
\r
- plat_status_msg("SAVE SLOT %i [%s]", state_slot,\r
- emu_check_save_file(state_slot) ? "USED" : "FREE");\r
+ emu_status_msg("SAVE SLOT %i [%s]", state_slot,\r
+ emu_check_save_file(state_slot, NULL) ? "USED" : "FREE");\r
}\r
if (which & PEV_MENU)\r
engineState = PGS_Menu;\r
lprintf("failed to create: %s\n", path_with_reserve);\r
}\r
\r
+void emu_cmn_forced_frame(int no_scale, int do_emu)\r
+{\r
+ int po_old = PicoOpt;\r
+\r
+ memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
+\r
+ PicoOpt &= ~POPT_ALT_RENDERER;\r
+ PicoOpt |= POPT_ACC_SPRITES;\r
+ if (!no_scale)\r
+ PicoOpt |= POPT_EN_SOFTSCALE;\r
+\r
+ PicoDrawSetOutFormat(PDF_RGB555, 1);\r
+ Pico.m.dirtyPal = 1;\r
+ if (do_emu)\r
+ PicoFrame();\r
+ else\r
+ PicoFrameDrawOnly();\r
+\r
+ PicoOpt = po_old;\r
+}\r
+\r
void emu_init(void)\r
{\r
char path[512];\r
int pos;\r
\r
+#if 0\r
+ // FIXME: handle through menu, etc\r
+ FILE *f;\r
+ f = fopen("32X_M_BIOS.BIN", "rb");\r
+ p32x_bios_m = malloc(2048);\r
+ fread(p32x_bios_m, 1, 2048, f);\r
+ fclose(f);\r
+ f = fopen("32X_S_BIOS.BIN", "rb");\r
+ p32x_bios_s = malloc(1024);\r
+ fread(p32x_bios_s, 1, 1024, f);\r
+ fclose(f);\r
+#endif\r
+\r
/* make dirs for saves */\r
pos = plat_get_root_dir(path, sizeof(path) - 4);\r
mkdir_path(path, pos, "mds");\r
mkdir_path(path, pos, "srm");\r
mkdir_path(path, pos, "brm");\r
\r
+ pprof_init();\r
+\r
make_config_cfg(path);\r
config_readlrom(path);\r
\r
PicoInit();\r
PicoMessage = plat_status_msg_busy_next;\r
- PicoMCDopenTray = emu_msg_tray_open;\r
- PicoMCDcloseTray = menu_loop_tray;\r
+ PicoMCDopenTray = emu_tray_open;\r
+ PicoMCDcloseTray = emu_tray_close;\r
}\r
\r
void emu_finish(void)\r
#endif\r
}\r
\r
+ pprof_finish();\r
+\r
PicoExit();\r
}\r
\r
+static void skip_frame(int do_audio)\r
+{\r
+ PicoSkipFrame = do_audio ? 1 : 2;\r
+ PicoFrame();\r
+ PicoSkipFrame = 0;\r
+}\r
+\r
+/* our tick here is 1 us right now */\r
+#define ms_to_ticks(x) (unsigned int)(x * 1000)\r
+#define get_ticks() plat_get_ticks_us()\r
+\r
+void emu_loop(void)\r
+{\r
+ int pframes_done; /* "period" frames, used for sync */\r
+ int frames_done, frames_shown; /* actual frames for fps counter */\r
+ int target_fps, target_frametime;\r
+ unsigned int timestamp_base = 0, timestamp_fps;\r
+ char *notice_msg = NULL;\r
+ char fpsbuff[24];\r
+ int i;\r
+\r
+ fpsbuff[0] = 0;\r
+\r
+ /* make sure we are in correct mode */\r
+ Pico.m.dirtyPal = 1;\r
+ rendstatus_old = -1;\r
+\r
+ PicoLoopPrepare();\r
+\r
+ // prepare CD buffer\r
+ if (PicoAHW & PAHW_MCD)\r
+ PicoCDBufferInit();\r
+\r
+ pemu_loop_prep();\r
+\r
+ /* number of ticks per frame */\r
+ if (Pico.m.pal) {\r
+ target_fps = 50;\r
+ target_frametime = ms_to_ticks(1000) / 50;\r
+ } else {\r
+ target_fps = 60;\r
+ target_frametime = ms_to_ticks(1000) / 60 + 1;\r
+ }\r
+\r
+ timestamp_fps = get_ticks();\r
+ reset_timing = 1;\r
+\r
+ frames_done = frames_shown = pframes_done = 0;\r
+\r
+ plat_video_wait_vsync();\r
+\r
+ /* loop with resync every 1 sec. */\r
+ while (engineState == PGS_Running)\r
+ {\r
+ unsigned int timestamp;\r
+ int diff, diff_lim;\r
+\r
+ pprof_start(main);\r
+\r
+ timestamp = get_ticks();\r
+ if (reset_timing) {\r
+ reset_timing = 0;\r
+ timestamp_base = timestamp;\r
+ pframes_done = 0;\r
+ }\r
+\r
+ // show notice_msg message?\r
+ if (notice_msg_time != 0)\r
+ {\r
+ static int noticeMsgSum;\r
+ if (timestamp - ms_to_ticks(notice_msg_time) > ms_to_ticks(STATUS_MSG_TIMEOUT)) {\r
+ notice_msg_time = 0;\r
+ plat_status_msg_clear();\r
+ notice_msg = NULL;\r
+ } else {\r
+ int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];\r
+ if (sum != noticeMsgSum) {\r
+ plat_status_msg_clear();\r
+ noticeMsgSum = sum;\r
+ }\r
+ notice_msg = noticeMsg;\r
+ }\r
+ }\r
+\r
+ // second changed?\r
+ if (timestamp - timestamp_fps >= ms_to_ticks(1000))\r
+ {\r
+#ifdef BENCHMARK\r
+ static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
+ if (++bench == 10) {\r
+ bench = 0;\r
+ bench_fps_s = bench_fps;\r
+ bf[bfp++ & 3] = bench_fps;\r
+ bench_fps = 0;\r
+ }\r
+ bench_fps += frames_shown;\r
+ sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
+ printf("%s\n", fpsbuff);\r
+#else\r
+ if (currentConfig.EmuOpt & EOPT_SHOW_FPS) {\r
+ sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
+ if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
+ }\r
+#endif\r
+ frames_shown = frames_done = 0;\r
+ timestamp_fps += ms_to_ticks(1000);\r
+ }\r
+#ifdef PFRAMES\r
+ sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
+#endif\r
+\r
+ if (timestamp - timestamp_base >= ms_to_ticks(1000))\r
+ {\r
+ if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && currentConfig.Frameskip >= 0)\r
+ pframes_done = 0;\r
+ else\r
+ pframes_done -= target_fps;\r
+ if (pframes_done < -2) {\r
+ /* don't drag more than 2 frames behind */\r
+ pframes_done = -2;\r
+ timestamp_base = timestamp - 2 * target_frametime;\r
+ }\r
+ else\r
+ timestamp_base += ms_to_ticks(1000);\r
+ }\r
+\r
+ diff = timestamp - timestamp_base;\r
+ diff_lim = (pframes_done + 1) * target_frametime;\r
+\r
+ if (currentConfig.Frameskip >= 0) // frameskip enabled\r
+ {\r
+ for (i = 0; i < currentConfig.Frameskip; i++) {\r
+ emu_update_input();\r
+ skip_frame(1);\r
+ pframes_done++; frames_done++;\r
+ diff_lim += target_frametime;\r
+\r
+ if (!(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT))) {\r
+ timestamp = get_ticks();\r
+ diff = timestamp - timestamp_base;\r
+ if (!reset_timing && diff < diff_lim) // we are too fast\r
+ plat_wait_till_us(timestamp_base + diff_lim);\r
+ }\r
+ }\r
+ }\r
+ else if (diff > diff_lim)\r
+ {\r
+ /* no time left for this frame - skip */\r
+ /* limit auto frameskip to 8 */\r
+ if (frames_done / 8 <= frames_shown) {\r
+ emu_update_input();\r
+ skip_frame(diff < diff_lim + target_frametime * 16);\r
+ pframes_done++; frames_done++;\r
+ continue;\r
+ }\r
+ }\r
+\r
+ emu_update_input();\r
+ PicoFrame();\r
+ pemu_finalize_frame(fpsbuff, notice_msg);\r
+\r
+ // plat_video_flip();\r
+\r
+ /* frame limiter */\r
+ if (!reset_timing && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))\r
+ {\r
+ timestamp = get_ticks();\r
+ diff = timestamp - timestamp_base;\r
+\r
+ // sleep or vsync if we are still too fast\r
+ if (diff < diff_lim)\r
+ {\r
+ // we are too fast\r
+ plat_wait_till_us(timestamp_base + diff_lim - target_frametime / 4);\r
+ if (currentConfig.EmuOpt & EOPT_VSYNC)\r
+ plat_video_wait_vsync();\r
+ }\r
+ }\r
+\r
+ // XXX: for some plats it might be better to flip before vsync\r
+ // (due to shadow registers in display hw)\r
+ plat_video_flip();\r
+\r
+ pframes_done++; frames_done++; frames_shown++;\r
+\r
+ pprof_end(main);\r
+ }\r
+\r
+ emu_set_fastforward(0);\r
+\r
+ // save SRAM\r
+ if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
+ plat_status_msg_busy_first("Writing SRAM/BRAM...");\r
+ emu_save_load_game(0, 1);\r
+ SRam.changed = 0;\r
+ }\r
+\r
+ pemu_loop_end();\r
+\r
+ // pemu_loop_end() might want to do 1 frame for bg image,\r
+ // so free CD buffer here\r
+ if (PicoAHW & PAHW_MCD)\r
+ PicoCDBufferFree();\r
+}\r
+\r
notaz.gp2x.de / libpicofe.git / blobdiff