+++ /dev/null
-// (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
-\r
-#include "emu.h"\r
-#include "menu.h"\r
-#include "fonts.h"\r
-#include "lprintf.h"\r
-#include "config.h"\r
-#include "plat.h"\r
-#include "input.h"\r
-#include "posix.h"\r
-\r
-#include <pico/pico_int.h>\r
-#include <pico/patch.h>\r
-#include <pico/cd/cue.h>\r
-\r
-\r
-#define STATUS_MSG_TIMEOUT 2000\r
-\r
-void *g_screen_ptr;\r
-\r
-#if !SCREEN_SIZE_FIXED\r
-int g_screen_width = SCREEN_WIDTH;\r
-int g_screen_height = SCREEN_HEIGHT;\r
-#endif\r
-\r
-char *PicoConfigFile = "config.cfg";\r
-currentConfig_t currentConfig, defaultConfig;\r
-int state_slot = 0;\r
-int config_slot = 0, config_slot_current = 0;\r
-int pico_pen_x = 320/2, pico_pen_y = 240/2;\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];\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
-\r
-\r
-/* don't use tolower() for easy old glibc binary compatibility */\r
-static void strlwr_(char *string)\r
-{\r
- char *p;\r
- for (p = string; *p; p++)\r
- if ('A' <= *p && *p <= 'Z')\r
- *p += 'a' - 'A';\r
-}\r
-\r
-static int try_rfn_cut(char *fname)\r
-{\r
- FILE *tmp;\r
- char *p;\r
-\r
- p = fname + strlen(fname) - 1;\r
- for (; p > fname; p--)\r
- if (*p == '.') break;\r
- *p = 0;\r
-\r
- if((tmp = fopen(fname, "rb"))) {\r
- fclose(tmp);\r
- return 1;\r
- }\r
- return 0;\r
-}\r
-\r
-static void get_ext(const char *file, char *ext)\r
-{\r
- const char *p;\r
-\r
- p = file + strlen(file) - 4;\r
- if (p < file) p = file;\r
- strncpy(ext, p, 4);\r
- ext[4] = 0;\r
- strlwr_(ext);\r
-}\r
-\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
- int i, count;\r
- const char * const *files;\r
- FILE *f = NULL;\r
-\r
- if (region == 4) { // US\r
- files = biosfiles_us;\r
- count = sizeof(biosfiles_us) / sizeof(char *);\r
- } else if (region == 8) { // EU\r
- files = biosfiles_eu;\r
- count = sizeof(biosfiles_eu) / sizeof(char *);\r
- } else if (region == 1 || region == 2) {\r
- files = biosfiles_jp;\r
- count = sizeof(biosfiles_jp) / sizeof(char *);\r
- } else {\r
- return 0;\r
- }\r
-\r
- for (i = 0; i < count; i++)\r
- {\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
- 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", static_buff);\r
- fclose(f);\r
- if (bios_file)\r
- *bios_file = static_buff;\r
- return 1;\r
- } else {\r
- sprintf(static_buff, "no %s BIOS files found, read docs",\r
- region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
- me_update_msg(static_buff);\r
- return 0;\r
- }\r
-}\r
-\r
-/* check if the name begins with BIOS name */\r
-/*\r
-static int emu_isBios(const char *name)\r
-{\r
- int i;\r
- for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
- if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
- for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
- if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
- for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
- if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
- return 0;\r
-}\r
-*/\r
-\r
-static unsigned char id_header[0x100];\r
-\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];\r
- cue_track_type type = CT_UNKNOWN;\r
- cue_data_t *cue_data = NULL;\r
-\r
- get_ext(fname_in, ext);\r
- if (strcasecmp(ext, ".cue") == 0) {\r
- cue_data = cue_parse(fname_in);\r
- if (cue_data != NULL) {\r
- fname = cue_data->tracks[1].fname;\r
- type = cue_data->tracks[1].type;\r
- }\r
- else\r
- return -1;\r
- }\r
-\r
- cd_f = pm_open(fname);\r
- if (cue_data != NULL)\r
- cue_destroy(cue_data);\r
-\r
- if (cd_f == NULL) return 0; // let the upper level handle this\r
-\r
- if (pm_read(buf, 32, cd_f) != 32) {\r
- pm_close(cd_f);\r
- return -1;\r
- }\r
-\r
- if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {\r
- if (type && type != CT_ISO)\r
- elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
- type = CT_ISO; // Sega CD (ISO)\r
- }\r
- if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {\r
- if (type && type != CT_BIN)\r
- elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
- type = CT_BIN; // Sega CD (BIN)\r
- }\r
-\r
- if (type == CT_UNKNOWN) {\r
- pm_close(cd_f);\r
- return 0;\r
- }\r
-\r
- pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);\r
- pm_read(id_header, sizeof(id_header), cd_f);\r
-\r
- /* it seems we have a CD image here. Try to detect region now.. */\r
- pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
- pm_read(buf, 1, cd_f);\r
- pm_close(cd_f);\r
-\r
- if (buf[0] == 0x64) region = 8; // EU\r
- if (buf[0] == 0xa1) region = 1; // JAP\r
-\r
- lprintf("detected %s Sega/Mega CD image with %s region\n",\r
- type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
-\r
- if (pregion != NULL) *pregion = region;\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
- int i;\r
-\r
- if (swab) swab = 1;\r
-\r
- for (i = len - 1; i >= 0; i--)\r
- {\r
- if (src[i^swab] != ' ') break;\r
- }\r
- len = i + 1;\r
-\r
- for (i = 0; i < len; i++)\r
- {\r
- unsigned char s = src[i^swab];\r
- if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
- s != '[' && s != ']' && s != '\\')\r
- {\r
- *p++ = s;\r
- }\r
- else\r
- {\r
- sprintf(p, "\\%02x", s);\r
- p += 3;\r
- }\r
- }\r
-\r
- return p - dest;\r
-}\r
-\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
-\r
- if (PicoAHW & PAHW_MCD) {\r
- strcpy(id_string, "CD|");\r
- swab = 0;\r
- }\r
- else if (PicoAHW & PAHW_SMS)\r
- strcpy(id_string, "MS|");\r
- else strcpy(id_string, "MD|");\r
- pos = 3;\r
-\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
-\r
-// buffer must be at least 150 byte long\r
-void emu_get_game_name(char *str150)\r
-{\r
- int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;\r
- char *s, *d;\r
-\r
- ret = extract_text(str150, id_header + 0x50, 0x30, swab); // overseas name\r
-\r
- for (s = d = str150 + 1; s < str150+ret; s++)\r
- {\r
- if (*s == 0) break;\r
- if (*s != ' ' || d[-1] != ' ')\r
- *d++ = *s;\r
- }\r
- *d = 0;\r
-}\r
-\r
-static void shutdown_MCD(void)\r
-{\r
- if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)\r
- Stop_CD();\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
- char *used_rom_name = rom_fname;\r
- unsigned char *rom_data = NULL;\r
- char ext[5];\r
- pm_file *rom = NULL;\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
- // early cleanup\r
- PicoPatchUnload();\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
- 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
- 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
- me_update_msg("low memory.");\r
- fclose(movie_file);\r
- return 0;\r
- }\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
- return 0;\r
- }\r
- dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
- if (!dummy) {\r
- me_update_msg("Could't find a ROM for movie.");\r
- return 0;\r
- }\r
- get_ext(rom_fname, ext);\r
- lprintf("gmv loaded for %s\n", rom_fname);\r
- }\r
- else if (!strcmp(ext, ".pat"))\r
- {\r
- int dummy;\r
- PicoPatchLoad(rom_fname);\r
- dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
- if (!dummy) {\r
- me_update_msg("Could't find a ROM to patch.");\r
- return 0;\r
- }\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
- PicoAHW = 0;\r
-\r
- if (media_type == PM_CD)\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
- {\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
- 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
- get_ext(used_rom_name, ext);\r
- PicoAHW |= PAHW_MCD;\r
- }\r
- else {\r
- me_update_msg("Invalid CD image");\r
- return 0;\r
- }\r
- }\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 == 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
- 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 fail;\r
- }\r
-\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(rom_fname, 0);\r
- if (!ret) emu_read_config(NULL, 0);\r
- }\r
-\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 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 fail;\r
- }\r
- }\r
-\r
- menu_romload_end();\r
-\r
- if (PicoPatches) {\r
- PicoPatchPrepare();\r
- PicoPatchApply();\r
- }\r
-\r
- // additional movie stuff\r
- if (movie_data)\r
- {\r
- if (movie_data[0x14] == '6')\r
- PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r
- else PicoOpt &= ~POPT_6BTN_PAD;\r
- PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r
- if (movie_data[0xF] >= 'A') {\r
- if (movie_data[0x16] & 0x80) {\r
- PicoRegionOverride = 8;\r
- } else {\r
- PicoRegionOverride = 4;\r
- }\r
- PicoReset();\r
- // TODO: bits 6 & 5\r
- }\r
- movie_data[0x18+30] = 0;\r
- emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r
- }\r
- else\r
- {\r
- system_announce();\r
- PicoOpt &= ~POPT_DIS_VDP_FIFO;\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
- return 1;\r
-\r
-fail:\r
- if (rom_data)\r
- free(rom_data);\r
- menu_romload_end();\r
- return 0;\r
-}\r
-\r
-int emu_swap_cd(const char *fname)\r
-{\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
-\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
-\r
- end_len = strlen(end);\r
- pos = plat_get_root_dir(buff, size);\r
- strncpy(buff + pos, end, size - pos);\r
- buff[size - 1] = 0;\r
- if (pos + end_len > size - 1)\r
- lprintf("Warning: path truncated: %s\n", buff);\r
-}\r
-\r
-static void make_config_cfg(char *cfg_buff_512)\r
-{\r
- emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);\r
- if (config_slot != 0)\r
- {\r
- char *p = strrchr(cfg_buff_512, '.');\r
- if (p == NULL)\r
- p = cfg_buff_512 + strlen(cfg_buff_512);\r
- sprintf(p, ".%i.cfg", config_slot);\r
- }\r
- cfg_buff_512[511] = 0;\r
-}\r
-\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
- PsndRate = currentConfig.s_PsndRate;\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(const char *rom_fname, int no_defaults)\r
-{\r
- char cfg[512];\r
- int ret;\r
-\r
- if (!no_defaults)\r
- emu_set_defconfig();\r
-\r
- if (rom_fname == NULL)\r
- {\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(rom_fname);\r
-\r
- if (config_slot != 0)\r
- sprintf(cfg, "game.%i.cfg", config_slot);\r
- else strcpy(cfg, "game.cfg");\r
-\r
- ret = -1;\r
- if (config_havesect(cfg, sect))\r
- {\r
- // read user's config\r
- int vol = currentConfig.volume;\r
- emu_set_defconfig();\r
- ret = config_readsect(cfg, sect);\r
- currentConfig.volume = vol; // make vol global (bah)\r
- }\r
- else\r
- {\r
- // read global config, and apply game_def.cfg on top\r
- make_config_cfg(cfg);\r
- config_readsect(cfg, NULL);\r
- emu_make_path(cfg, "game_def.cfg", sizeof(cfg));\r
- ret = config_readsect(cfg, sect);\r
- }\r
-\r
- if (ret == 0)\r
- {\r
- lprintf("loaded cfg from sect \"%s\"\n", sect);\r
- }\r
- }\r
-\r
- pemu_validate_config();\r
-\r
- // some sanity checks\r
-#ifdef PSP\r
- /* TODO: mv to plat_validate_config() */\r
- if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
- if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
- if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r
-#endif\r
- if (currentConfig.volume < 0 || currentConfig.volume > 99)\r
- currentConfig.volume = 50;\r
-\r
- if (ret == 0)\r
- config_slot_current = config_slot;\r
-\r
- return (ret == 0);\r
-}\r
-\r
-\r
-int emu_write_config(int is_game)\r
-{\r
- char cfg[512], *game_sect = NULL;\r
- int ret, write_lrom = 0;\r
-\r
- if (!is_game)\r
- {\r
- make_config_cfg(cfg);\r
- write_lrom = 1;\r
- } else {\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(rom_fname_loaded);\r
- lprintf("emu_write_config: sect \"%s\"\n", game_sect);\r
- }\r
-\r
- lprintf("emu_write_config: %s ", cfg);\r
- ret = config_writesect(cfg, game_sect);\r
- if (write_lrom) config_writelrom(cfg);\r
-#ifndef NO_SYNC\r
- sync();\r
-#endif\r
- lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
-\r
- if (ret == 0) config_slot_current = config_slot;\r
- return ret == 0;\r
-}\r
-\r
-\r
-/* always using built-in font */\r
-\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 *)(topleft) + x * step_x + y * step_y; \\r
- \\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 * 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_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
-\r
-void update_movie(void)\r
-{\r
- int offs = Pico.m.frame_count*3 + 0x40;\r
- if (offs+3 > movie_size) {\r
- free(movie_data);\r
- movie_data = 0;\r
- emu_status_msg("END OF MOVIE.");\r
- lprintf("END OF MOVIE.\n");\r
- } else {\r
- // MXYZ SACB RLDU\r
- PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
- if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C\r
- if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A\r
- if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B\r
- PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
- if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C\r
- if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A\r
- if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B\r
- PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
- if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
- if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
- PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
- if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
- if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
- }\r
-}\r
-\r
-static int try_ropen_file(const char *fname)\r
-{\r
- FILE *f;\r
-\r
- f = fopen(fname, "rb");\r
- if (f) {\r
- fclose(f);\r
- return 1;\r
- }\r
- return 0;\r
-}\r
-\r
-char *emu_get_save_fname(int load, int is_sram, int slot)\r
-{\r
- char *saveFname = static_buff;\r
- char ext[16];\r
-\r
- if (is_sram)\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)\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 NULL;\r
-}\r
-\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
-int emu_save_load_game(int load, int sram)\r
-{\r
- int ret = 0;\r
- char *saveFname;\r
-\r
- // make save filename\r
- saveFname = emu_get_save_fname(load, sram, state_slot);\r
- if (saveFname == NULL) {\r
- if (!sram)\r
- emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r
- return -1;\r
- }\r
-\r
- lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
-\r
- if (sram)\r
- {\r
- FILE *sramFile;\r
- int sram_size;\r
- unsigned char *sram_data;\r
- int truncate = 1;\r
- if (PicoAHW & PAHW_MCD)\r
- {\r
- if (PicoOpt & POPT_EN_MCD_RAMCART) {\r
- sram_size = 0x12000;\r
- sram_data = SRam.data;\r
- if (sram_data)\r
- memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
- } else {\r
- sram_size = 0x2000;\r
- sram_data = Pico_mcd->bram;\r
- truncate = 0; // the .brm may contain RAM cart data after normal brm\r
- }\r
- } else {\r
- sram_size = SRam.size;\r
- sram_data = SRam.data;\r
- }\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)\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
- } else {\r
- // sram save needs some special processing\r
- // see if we have anything to save\r
- for (; sram_size > 0; sram_size--)\r
- if (sram_data[sram_size-1]) break;\r
-\r
- if (sram_size) {\r
- sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
- if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
- if (!sramFile) return -1;\r
- ret = fwrite(sram_data, 1, sram_size, sramFile);\r
- ret = (ret != sram_size) ? -1 : 0;\r
- fclose(sramFile);\r
-#ifndef NO_SYNC\r
- sync();\r
-#endif\r
- }\r
- }\r
- return ret;\r
- }\r
- else\r
- {\r
- ret = PicoState(saveFname, !load);\r
- if (!ret) {\r
-#ifndef NO_SYNC\r
- if (!load) sync();\r
-#endif\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
- return ret;\r
- }\r
-}\r
-\r
-void emu_set_fastforward(int set_on)\r
-{\r
- static void *set_PsndOut = NULL;\r
- static int set_Frameskip, set_EmuOpt, is_on = 0;\r
-\r
- if (set_on && !is_on) {\r
- set_PsndOut = PsndOut;\r
- set_Frameskip = currentConfig.Frameskip;\r
- set_EmuOpt = currentConfig.EmuOpt;\r
- PsndOut = NULL;\r
- currentConfig.Frameskip = 8;\r
- currentConfig.EmuOpt &= ~4;\r
- currentConfig.EmuOpt |= 0x40000;\r
- is_on = 1;\r
- emu_status_msg("FAST FORWARD");\r
- }\r
- else if (!set_on && is_on) {\r
- PsndOut = set_PsndOut;\r
- currentConfig.Frameskip = set_Frameskip;\r
- currentConfig.EmuOpt = set_EmuOpt;\r
- PsndRerate(1);\r
- is_on = 0;\r
- }\r
-}\r
-\r
-static void emu_tray_open(void)\r
-{\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
-{\r
- PicoReset();\r
- reset_timing = 1;\r
-}\r
-\r
-void run_events_pico(unsigned int events)\r
-{\r
- int lim_x;\r
-\r
- if (events & PEV_PICO_SWINP) {\r
- pico_inp_mode++;\r
- if (pico_inp_mode > 2)\r
- pico_inp_mode = 0;\r
- switch (pico_inp_mode) {\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
- }\r
- if (events & PEV_PICO_PPREV) {\r
- PicoPicohw.page--;\r
- if (PicoPicohw.page < 0)\r
- PicoPicohw.page = 0;\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
- emu_status_msg("Page %i", PicoPicohw.page);\r
- }\r
-\r
- if (pico_inp_mode == 0)\r
- return;\r
-\r
- /* handle other input modes */\r
- if (PicoPad[0] & 1) pico_pen_y--;\r
- if (PicoPad[0] & 2) pico_pen_y++;\r
- if (PicoPad[0] & 4) pico_pen_x--;\r
- if (PicoPad[0] & 8) pico_pen_x++;\r
- PicoPad[0] &= ~0x0f; // release UDLR\r
-\r
- lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r
- if (pico_pen_y < 8)\r
- pico_pen_y = 8;\r
- if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)\r
- pico_pen_y = 224 - PICO_PEN_ADJUST_Y;\r
- if (pico_pen_x < 0)\r
- pico_pen_x = 0;\r
- if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)\r
- pico_pen_x = lim_x - PICO_PEN_ADJUST_X;\r
-\r
- PicoPicohw.pen_pos[0] = pico_pen_x;\r
- if (!(Pico.video.reg[12] & 1))\r
- PicoPicohw.pen_pos[0] += pico_pen_x / 4;\r
- PicoPicohw.pen_pos[0] += 0x3c;\r
- PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
-}\r
-\r
-static void do_turbo(int *pad, int acts)\r
-{\r
- static int turbo_pad = 0;\r
- static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r
- int inc = currentConfig.turbo_rate * 2;\r
-\r
- if (acts & 0x1000) {\r
- turbo_cnt[0] += inc;\r
- if (turbo_cnt[0] >= 60)\r
- turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r
- }\r
- if (acts & 0x2000) {\r
- turbo_cnt[1] += inc;\r
- if (turbo_cnt[1] >= 60)\r
- turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r
- }\r
- if (acts & 0x4000) {\r
- turbo_cnt[2] += inc;\r
- if (turbo_cnt[2] >= 60)\r
- turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r
- }\r
- *pad |= turbo_pad & (acts >> 8);\r
-}\r
-\r
-static void run_events_ui(unsigned int which)\r
-{\r
- if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))\r
- {\r
- int do_it = 1;\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
- int keys, len;\r
-\r
- strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");\r
- len = strlen(tmp);\r
- nm = in_get_key_name(-1, -PBTN_MA3);\r
- snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r
- len = strlen(tmp);\r
- nm = in_get_key_name(-1, -PBTN_MBACK);\r
- snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r
-\r
- plat_status_msg_busy_first(tmp);\r
-\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(NULL, 50)) & (PBTN_MA3|PBTN_MBACK)) )\r
- ;\r
- if (keys & PBTN_MBACK)\r
- do_it = 0;\r
- while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))\r
- ;\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 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
- }\r
- if (which & PEV_SWITCH_RND)\r
- {\r
- plat_video_toggle_renderer(1, 0);\r
- }\r
- if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))\r
- {\r
- if (which & PEV_SSLOT_PREV) {\r
- state_slot -= 1;\r
- if (state_slot < 0)\r
- state_slot = 9;\r
- } else {\r
- state_slot += 1;\r
- if (state_slot > 9)\r
- state_slot = 0;\r
- }\r
-\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
-}\r
-\r
-void emu_update_input(void)\r
-{\r
- static int prev_events = 0;\r
- int actions[IN_BINDTYPE_COUNT] = { 0, };\r
- int pl_actions[2];\r
- int events;\r
-\r
- in_update(actions);\r
-\r
- pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];\r
- pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;\r
-\r
- PicoPad[0] = pl_actions[0] & 0xfff;\r
- PicoPad[1] = pl_actions[1] & 0xfff;\r
-\r
- if (pl_actions[0] & 0x7000)\r
- do_turbo(&PicoPad[0], pl_actions[0]);\r
- if (pl_actions[1] & 0x7000)\r
- do_turbo(&PicoPad[1], pl_actions[1]);\r
-\r
- events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
-\r
- // volume is treated in special way and triggered every frame\r
- if (events & (PEV_VOL_DOWN|PEV_VOL_UP))\r
- plat_update_volume(1, events & PEV_VOL_UP);\r
-\r
- if ((events ^ prev_events) & PEV_FF) {\r
- emu_set_fastforward(events & PEV_FF);\r
- plat_update_volume(0, 0);\r
- reset_timing = 1;\r
- }\r
-\r
- events &= ~prev_events;\r
-\r
- if (PicoAHW == PAHW_PICO)\r
- run_events_pico(events);\r
- if (events)\r
- run_events_ui(events);\r
- if (movie_data)\r
- update_movie();\r
-\r
- prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
-}\r
-\r
-static void mkdir_path(char *path_with_reserve, int pos, const char *name)\r
-{\r
- strcpy(path_with_reserve + pos, name);\r
- if (plat_is_dir(path_with_reserve))\r
- return;\r
- if (mkdir(path_with_reserve, 0777) < 0)\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_tray_open;\r
- PicoMCDcloseTray = emu_tray_close;\r
-}\r
-\r
-void emu_finish(void)\r
-{\r
- // save SRAM\r
- if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
- emu_save_load_game(0, 1);\r
- SRam.changed = 0;\r
- }\r
-\r
- if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {\r
- char cfg[512];\r
- make_config_cfg(cfg);\r
- config_writelrom(cfg);\r
-#ifndef NO_SYNC\r
- sync();\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