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- /*
- * PicoDrive
- * (C) notaz, 2007-2010
- *
- * This work is licensed under the terms of MAME license.
- * See COPYING file in the top-level directory.
- */
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <stdarg.h>
- #ifdef __GP2X__
- #include <unistd.h>
- #endif
- #include "../libpicofe/posix.h"
- #include "../libpicofe/input.h"
- #include "../libpicofe/fonts.h"
- #include "../libpicofe/sndout.h"
- #include "../libpicofe/lprintf.h"
- #include "../libpicofe/plat.h"
- #include "emu.h"
- #include "input_pico.h"
- #include "menu_pico.h"
- #include "config_file.h"
- #include <pico/pico_int.h>
- #include <pico/patch.h>
- #ifdef USE_LIBRETRO_VFS
- #include "file_stream_transforms.h"
- #endif
- #if defined(__GNUC__) && __GNUC__ >= 7
- #pragma GCC diagnostic ignored "-Wformat-truncation"
- #endif
- #ifndef _WIN32
- #define PATH_SEP "/"
- #define PATH_SEP_C '/'
- #else
- #define PATH_SEP "\\"
- #define PATH_SEP_C '\\'
- #endif
- #define STATUS_MSG_TIMEOUT 2000
- void *g_screen_ptr;
- int g_screen_width = 320;
- int g_screen_height = 240;
- int g_screen_ppitch = 320; // pitch in pixels
- const char *PicoConfigFile = "config2.cfg";
- currentConfig_t currentConfig, defaultConfig;
- int state_slot = 0;
- int config_slot = 0, config_slot_current = 0;
- int pico_pen_x = 320/2, pico_pen_y = 240/2;
- int pico_inp_mode;
- int flip_after_sync;
- int engineState = PGS_Menu;
- static short __attribute__((aligned(4))) sndBuffer[2*44100/50];
- /* tmp buff to reduce stack usage for plats with small stack */
- static char static_buff[512];
- const char *rom_fname_reload;
- char rom_fname_loaded[512];
- int reset_timing = 0;
- static unsigned int notice_msg_time; /* when started showing */
- static char noticeMsg[40];
- unsigned char *movie_data = NULL;
- static int movie_size = 0;
- /* don't use tolower() for easy old glibc binary compatibility */
- static void strlwr_(char *string)
- {
- char *p;
- for (p = string; *p; p++)
- if ('A' <= *p && *p <= 'Z')
- *p += 'a' - 'A';
- }
- static int try_rfn_cut(char *fname)
- {
- FILE *tmp;
- char *p;
- p = fname + strlen(fname) - 1;
- for (; p > fname; p--)
- if (*p == '.') break;
- *p = 0;
- if((tmp = fopen(fname, "rb"))) {
- fclose(tmp);
- return 1;
- }
- return 0;
- }
- static void get_ext(const char *file, char *ext)
- {
- const char *p;
- p = file + strlen(file) - 4;
- if (p < file) p = file;
- strncpy(ext, p, 4);
- ext[4] = 0;
- strlwr_(ext);
- }
- static void fname_ext(char *dst, int dstlen, const char *prefix, const char *ext, const char *fname)
- {
- int prefix_len = 0;
- const char *p;
- *dst = 0;
- if (prefix) {
- int len = plat_get_root_dir(dst, dstlen);
- strcpy(dst + len, prefix);
- prefix_len = len + strlen(prefix);
- }
- p = fname + strlen(fname) - 1;
- for (; p >= fname && *p != PATH_SEP_C; p--)
- ;
- p++;
- strncpy(dst + prefix_len, p, dstlen - prefix_len - 1);
- dst[dstlen - 8] = 0;
- if (dst[strlen(dst) - 4] == '.')
- dst[strlen(dst) - 4] = 0;
- if (ext)
- strcat(dst, ext);
- }
- static void romfname_ext(char *dst, int dstlen, const char *prefix, const char *ext)
- {
- fname_ext(dst, dstlen, prefix, ext, rom_fname_loaded);
- }
- void emu_status_msg(const char *format, ...)
- {
- va_list vl;
- int ret;
- va_start(vl, format);
- ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);
- va_end(vl);
- /* be sure old text gets overwritten */
- for (; ret < 28; ret++)
- noticeMsg[ret] = ' ';
- noticeMsg[ret] = 0;
- notice_msg_time = plat_get_ticks_ms();
- }
- static const char * const biosfiles_us[] = {
- "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210", "bios_CD_U"
- };
- static const char * const biosfiles_eu[] = {
- "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210", "bios_CD_E"
- };
- static const char * const biosfiles_jp[] = {
- "jp_mcd2_921222", "jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J"
- };
- static const char *find_bios(int *region, const char *cd_fname)
- {
- int i, count;
- const char * const *files;
- FILE *f = NULL;
- int ret;
- // we need to have config loaded at this point
- ret = emu_read_config(cd_fname, 0);
- if (!ret) emu_read_config(NULL, 0);
- if (PicoIn.regionOverride) {
- *region = PicoIn.regionOverride;
- lprintf("override region to %s\n", *region != 4 ?
- (*region == 8 ? "EU" : "JAP") : "USA");
- }
- if (*region == 4) { // US
- files = biosfiles_us;
- count = sizeof(biosfiles_us) / sizeof(char *);
- } else if (*region == 8) { // EU
- files = biosfiles_eu;
- count = sizeof(biosfiles_eu) / sizeof(char *);
- } else if (*region == 1 || *region == 2) {
- files = biosfiles_jp;
- count = sizeof(biosfiles_jp) / sizeof(char *);
- } else {
- return 0;
- }
- for (i = 0; i < count; i++)
- {
- emu_make_path(static_buff, files[i], sizeof(static_buff) - 4);
- strcat(static_buff, ".bin");
- f = fopen(static_buff, "rb");
- if (f) break;
- static_buff[strlen(static_buff) - 4] = 0;
- strcat(static_buff, ".zip");
- f = fopen(static_buff, "rb");
- if (f) break;
- }
- if (f) {
- lprintf("using bios: %s\n", static_buff);
- fclose(f);
- return static_buff;
- } else {
- sprintf(static_buff, "no %s BIOS files found, read docs",
- *region != 4 ? (*region == 8 ? "EU" : "JAP") : "USA");
- menu_update_msg(static_buff);
- return NULL;
- }
- }
- /* check if the name begins with BIOS name */
- /*
- static int emu_isBios(const char *name)
- {
- int i;
- for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)
- if (strstr(name, biosfiles_us[i]) != NULL) return 1;
- for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)
- if (strstr(name, biosfiles_eu[i]) != NULL) return 1;
- for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)
- if (strstr(name, biosfiles_jp[i]) != NULL) return 1;
- return 0;
- }
- */
- static int extract_text(char *dest, const unsigned char *src, int len, int swab)
- {
- char *p = dest;
- int i;
- if (swab) swab = 1;
- for (i = len - 1; i >= 0; i--)
- {
- if (src[i^swab] != ' ') break;
- }
- len = i + 1;
- for (i = 0; i < len; i++)
- {
- unsigned char s = src[i^swab];
- if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&
- s != '[' && s != ']' && s != '\\')
- {
- *p++ = s;
- }
- else
- {
- sprintf(p, "\\%02x", s);
- p += 3;
- }
- }
- return p - dest;
- }
- static char *emu_make_rom_id(const char *fname)
- {
- static char id_string[3+0xe*3+0x3*3+0x30*3+3];
- int pos, swab = 1;
- if (PicoIn.AHW & PAHW_MCD) {
- strcpy(id_string, "CD|");
- swab = 0;
- }
- else if (PicoIn.AHW & PAHW_SMS)
- strcpy(id_string, "MS|");
- else strcpy(id_string, "MD|");
- pos = 3;
- if (!(PicoIn.AHW & PAHW_SMS)) {
- pos += extract_text(id_string + pos, media_id_header + 0x80, 0x0e, swab); // serial
- id_string[pos] = '|'; pos++;
- pos += extract_text(id_string + pos, media_id_header + 0xf0, 0x03, swab); // region
- id_string[pos] = '|'; pos++;
- pos += extract_text(id_string + pos, media_id_header + 0x50, 0x30, swab); // overseas name
- id_string[pos] = 0;
- if (pos > 5)
- return id_string;
- pos = 3;
- }
- // can't find name in ROM, use filename
- fname_ext(id_string + 3, sizeof(id_string) - 3, NULL, NULL, fname);
- return id_string;
- }
- // buffer must be at least 150 byte long
- void emu_get_game_name(char *str150)
- {
- int ret, swab = (PicoIn.AHW & PAHW_MCD) ? 0 : 1;
- char *s, *d;
- ret = extract_text(str150, media_id_header + 0x50, 0x30, swab); // overseas name
- for (s = d = str150 + 1; s < str150+ret; s++)
- {
- if (*s == 0) break;
- if (*s != ' ' || d[-1] != ' ')
- *d++ = *s;
- }
- *d = 0;
- }
- static void system_announce(void)
- {
- const char *sys_name, *tv_standard, *extra = "";
- int fps;
- if (PicoIn.AHW & PAHW_SMS) {
- sys_name = "Master System";
- #ifdef NO_SMS
- extra = " [no support]";
- #endif
- } else if (PicoIn.AHW & PAHW_PICO) {
- sys_name = "Pico";
- } else if ((PicoIn.AHW & (PAHW_32X|PAHW_MCD)) == (PAHW_32X|PAHW_MCD)) {
- sys_name = "32X + Mega CD";
- if ((Pico.m.hardware & 0xc0) == 0x80)
- sys_name = "32X + Sega CD";
- } else if (PicoIn.AHW & PAHW_MCD) {
- sys_name = "Mega CD";
- if ((Pico.m.hardware & 0xc0) == 0x80)
- sys_name = "Sega CD";
- } else if (PicoIn.AHW & PAHW_32X) {
- sys_name = "32X";
- } else {
- sys_name = "MegaDrive";
- if ((Pico.m.hardware & 0xc0) == 0x80)
- sys_name = "Genesis";
- }
- tv_standard = Pico.m.pal ? "PAL" : "NTSC";
- fps = Pico.m.pal ? 50 : 60;
- emu_status_msg("%s %s / %dFPS%s", tv_standard, sys_name, fps, extra);
- }
- static void do_region_override(const char *media_fname)
- {
- // we only need to override region if config tells us so
- int ret = emu_read_config(media_fname, 0);
- if (!ret) emu_read_config(NULL, 0);
- }
- int emu_reload_rom(const char *rom_fname_in)
- {
- // use setting before rom config is loaded
- int autoload = g_autostateld_opt;
- char *rom_fname = NULL;
- char ext[5];
- enum media_type_e media_type;
- int menu_romload_started = 0;
- char carthw_path[512];
- int retval = 0;
- lprintf("emu_ReloadRom(%s)\n", rom_fname_in);
- rom_fname = strdup(rom_fname_in);
- if (rom_fname == NULL)
- return 0;
- get_ext(rom_fname, ext);
- // early cleanup
- PicoPatchUnload();
- if (movie_data) {
- free(movie_data);
- movie_data = 0;
- }
- if (!strcmp(ext, ".gmv"))
- {
- // check for both gmv and rom
- int dummy;
- FILE *movie_file = fopen(rom_fname, "rb");
- if (!movie_file) {
- menu_update_msg("Failed to open movie.");
- goto out;
- }
- fseek(movie_file, 0, SEEK_END);
- movie_size = ftell(movie_file);
- fseek(movie_file, 0, SEEK_SET);
- if (movie_size < 64+3) {
- menu_update_msg("Invalid GMV file.");
- fclose(movie_file);
- goto out;
- }
- movie_data = malloc(movie_size);
- if (movie_data == NULL) {
- menu_update_msg("low memory.");
- fclose(movie_file);
- goto out;
- }
- dummy = fread(movie_data, 1, movie_size, movie_file);
- fclose(movie_file);
- if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
- menu_update_msg("Invalid GMV file.");
- goto out;
- }
- dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
- if (!dummy) {
- menu_update_msg("Could't find a ROM for movie.");
- goto out;
- }
- get_ext(rom_fname, ext);
- lprintf("gmv loaded for %s\n", rom_fname);
- }
- else if (!strcmp(ext, ".pat"))
- {
- int dummy;
- PicoPatchLoad(rom_fname);
- dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
- if (!dummy) {
- menu_update_msg("Could't find a ROM to patch.");
- goto out;
- }
- get_ext(rom_fname, ext);
- }
- menu_romload_prepare(rom_fname); // also CD load
- menu_romload_started = 1;
- emu_make_path(carthw_path, "carthw.cfg", sizeof(carthw_path));
- media_type = PicoLoadMedia(rom_fname, carthw_path,
- find_bios, do_region_override);
- switch (media_type) {
- case PM_BAD_DETECT:
- menu_update_msg("Not a ROM/CD img selected.");
- goto out;
- case PM_BAD_CD:
- menu_update_msg("Invalid CD image");
- goto out;
- case PM_BAD_CD_NO_BIOS:
- // find_bios() prints a message
- goto out;
- case PM_ERROR:
- menu_update_msg("Load error");
- goto out;
- default:
- break;
- }
- // make quirks visible in UI
- if (PicoIn.quirks & PQUIRK_FORCE_6BTN)
- currentConfig.input_dev0 = PICO_INPUT_PAD_6BTN;
- menu_romload_end();
- menu_romload_started = 0;
- if (PicoPatches) {
- PicoPatchPrepare();
- PicoPatchApply();
- }
- // additional movie stuff
- if (movie_data)
- {
- enum input_device indev = (movie_data[0x14] == '6') ?
- PICO_INPUT_PAD_6BTN : PICO_INPUT_PAD_3BTN;
- PicoSetInputDevice(0, indev);
- PicoSetInputDevice(1, indev);
- PicoIn.opt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing
- if (movie_data[0xF] >= 'A') {
- if (movie_data[0x16] & 0x80) {
- PicoIn.regionOverride = 8;
- } else {
- PicoIn.regionOverride = 4;
- }
- PicoReset();
- // TODO: bits 6 & 5
- }
- movie_data[0x18+30] = 0;
- emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);
- }
- else
- {
- system_announce();
- PicoIn.opt &= ~POPT_DIS_VDP_FIFO;
- }
- strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);
- rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;
- // load SRAM for this ROM
- if (currentConfig.EmuOpt & EOPT_EN_SRAM)
- emu_save_load_game(1, 1);
- // state autoload?
- if (autoload) {
- int time, newest = 0, newest_slot = -1;
- int slot;
- for (slot = 0; slot < 10; slot++) {
- if (emu_check_save_file(slot, &time)) {
- if (time > newest) {
- newest = time;
- newest_slot = slot;
- }
- }
- }
- if (newest_slot >= 0) {
- lprintf("autoload slot %d\n", newest_slot);
- state_slot = newest_slot;
- emu_save_load_game(1, 0);
- }
- else {
- lprintf("no save to autoload.\n");
- }
- }
- retval = 1;
- out:
- if (menu_romload_started)
- menu_romload_end();
- free(rom_fname);
- return retval;
- }
- int emu_swap_cd(const char *fname)
- {
- enum cd_img_type cd_type;
- int ret = -1;
- cd_type = PicoCdCheck(fname, NULL);
- if (cd_type != CIT_NOT_CD)
- ret = cdd_load(fname, cd_type);
- if (ret != 0) {
- menu_update_msg("Load failed, invalid CD image?");
- return 0;
- }
- strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);
- rom_fname_loaded[sizeof(rom_fname_loaded) - 1] = 0;
- return 1;
- }
- // <base dir><end>
- void emu_make_path(char *buff, const char *end, int size)
- {
- int pos, end_len;
- end_len = strlen(end);
- pos = plat_get_root_dir(buff, size);
- strncpy(buff + pos, end, size - pos);
- buff[size - 1] = 0;
- if (pos + end_len > size - 1)
- lprintf("Warning: path truncated: %s\n", buff);
- }
- static void make_config_cfg(char *cfg_buff_512)
- {
- emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);
- if (config_slot != 0)
- {
- char *p = strrchr(cfg_buff_512, '.');
- if (p == NULL)
- p = cfg_buff_512 + strlen(cfg_buff_512);
- sprintf(p, ".%i.cfg", config_slot);
- }
- cfg_buff_512[511] = 0;
- }
- void emu_prep_defconfig(void)
- {
- memset(&defaultConfig, 0, sizeof(defaultConfig));
- defaultConfig.EmuOpt = 0x9d | EOPT_EN_CD_LEDS;
- defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |
- POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX |
- POPT_EN_DRC|POPT_ACC_SPRITES |
- POPT_EN_32X|POPT_EN_PWM;
- defaultConfig.s_PsndRate = 44100;
- defaultConfig.s_PicoRegion = 0; // auto
- defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP
- defaultConfig.s_PicoCDBuffers = 0;
- defaultConfig.confirm_save = EOPT_CONFIRM_SAVE;
- defaultConfig.Frameskip = -1; // auto
- defaultConfig.input_dev0 = PICO_INPUT_PAD_3BTN;
- defaultConfig.input_dev1 = PICO_INPUT_PAD_3BTN;
- defaultConfig.volume = 50;
- defaultConfig.gamma = 100;
- defaultConfig.scaling = 0;
- defaultConfig.turbo_rate = 15;
- defaultConfig.msh2_khz = PICO_MSH2_HZ / 1000;
- defaultConfig.ssh2_khz = PICO_SSH2_HZ / 1000;
- defaultConfig.max_skip = 4;
- // platform specific overrides
- pemu_prep_defconfig();
- }
- void emu_set_defconfig(void)
- {
- memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));
- PicoIn.opt = currentConfig.s_PicoOpt;
- PicoIn.sndRate = currentConfig.s_PsndRate;
- PicoIn.regionOverride = currentConfig.s_PicoRegion;
- PicoIn.autoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
- }
- int emu_read_config(const char *rom_fname, int no_defaults)
- {
- char cfg[512];
- int ret;
- if (!no_defaults)
- emu_set_defconfig();
- if (rom_fname == NULL)
- {
- // global config
- make_config_cfg(cfg);
- ret = config_readsect(cfg, NULL);
- }
- else
- {
- char ext[16];
- int vol;
- if (config_slot != 0)
- snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);
- else
- strcpy(ext, ".cfg");
- fname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext, rom_fname);
- // read user's config
- vol = currentConfig.volume;
- ret = config_readsect(cfg, NULL);
- currentConfig.volume = vol; // make vol global (bah)
- if (ret != 0)
- {
- // read global config, and apply game_def.cfg on top
- make_config_cfg(cfg);
- config_readsect(cfg, NULL);
- emu_make_path(cfg, "game_def.cfg", sizeof(cfg));
- ret = config_readsect(cfg, emu_make_rom_id(rom_fname));
- }
- }
- pemu_validate_config();
- PicoIn.overclockM68k = currentConfig.overclock_68k;
- // some sanity checks
- #ifdef PSP
- /* TODO: mv to plat_validate_config() */
- if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
- if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;
- if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;
- #endif
- if (currentConfig.volume < 0 || currentConfig.volume > 99)
- currentConfig.volume = 50;
- if (ret == 0)
- config_slot_current = config_slot;
- return (ret == 0);
- }
- int emu_write_config(int is_game)
- {
- char cfg[512];
- int ret, write_lrom = 0;
- if (!is_game)
- {
- make_config_cfg(cfg);
- write_lrom = 1;
- } else {
- char ext[16];
- if (config_slot != 0)
- snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);
- else
- strcpy(ext, ".cfg");
- romfname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext);
- }
- lprintf("emu_write_config: %s ", cfg);
- ret = config_write(cfg);
- if (write_lrom) config_writelrom(cfg);
- #ifdef __GP2X__
- sync();
- #endif
- lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");
- if (ret == 0) config_slot_current = config_slot;
- return ret == 0;
- }
- /* always using built-in font */
- #define mk_text_out(name, type, val, topleft, step_x, step_y) \
- void name(int x, int y, const char *text) \
- { \
- int i, l, len = strlen(text); \
- type *screen = (type *)(topleft) + x * step_x + y * step_y; \
- \
- for (i = 0; i < len; i++, screen += 8 * step_x) \
- { \
- for (l = 0; l < 8; l++) \
- { \
- unsigned char fd = fontdata8x8[text[i] * 8 + l];\
- type *s = screen + l * step_y; \
- if (fd&0x80) s[step_x * 0] = val; \
- if (fd&0x40) s[step_x * 1] = val; \
- if (fd&0x20) s[step_x * 2] = val; \
- if (fd&0x10) s[step_x * 3] = val; \
- if (fd&0x08) s[step_x * 4] = val; \
- if (fd&0x04) s[step_x * 5] = val; \
- if (fd&0x02) s[step_x * 6] = val; \
- if (fd&0x01) s[step_x * 7] = val; \
- } \
- } \
- }
- mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_ppitch)
- mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_ppitch)
- mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,
- (char *)g_screen_ptr + (g_screen_ppitch - 1) * g_screen_height, -g_screen_height, 1)
- mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,
- (short *)g_screen_ptr + (g_screen_ppitch - 1) * g_screen_height, -g_screen_height, 1)
- #undef mk_text_out
- void emu_osd_text16(int x, int y, const char *text)
- {
- int len = strlen(text) * 8;
- int i, h;
- len++;
- if (x + len > g_screen_width)
- len = g_screen_width - x;
- for (h = 0; h < 8; h++) {
- unsigned short *p;
- p = (unsigned short *)g_screen_ptr
- + x + g_screen_ppitch * (y + h);
- for (i = len; i > 0; i--, p++)
- *p = (*p >> 2) & 0x39e7;
- }
- emu_text_out16(x, y, text);
- }
- static void update_movie(void)
- {
- int offs = Pico.m.frame_count*3 + 0x40;
- if (offs+3 > movie_size) {
- free(movie_data);
- movie_data = 0;
- emu_status_msg("END OF MOVIE.");
- lprintf("END OF MOVIE.\n");
- } else {
- // MXYZ SACB RLDU
- PicoIn.pad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU
- if(!(movie_data[offs] & 0x10)) PicoIn.pad[0] |= 0x40; // C
- if(!(movie_data[offs] & 0x20)) PicoIn.pad[0] |= 0x10; // A
- if(!(movie_data[offs] & 0x40)) PicoIn.pad[0] |= 0x20; // B
- PicoIn.pad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
- if(!(movie_data[offs+1] & 0x10)) PicoIn.pad[1] |= 0x40; // C
- if(!(movie_data[offs+1] & 0x20)) PicoIn.pad[1] |= 0x10; // A
- if(!(movie_data[offs+1] & 0x40)) PicoIn.pad[1] |= 0x20; // B
- PicoIn.pad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
- if(!(movie_data[offs+2] & 0x01)) PicoIn.pad[0] |= 0x0400; // X
- if(!(movie_data[offs+2] & 0x04)) PicoIn.pad[0] |= 0x0100; // Z
- PicoIn.pad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
- if(!(movie_data[offs+2] & 0x10)) PicoIn.pad[1] |= 0x0400; // X
- if(!(movie_data[offs+2] & 0x40)) PicoIn.pad[1] |= 0x0100; // Z
- }
- }
- static int try_ropen_file(const char *fname, int *time)
- {
- struct stat st;
- FILE *f;
- f = fopen(fname, "rb");
- if (f) {
- if (time != NULL) {
- *time = 0;
- if (fstat(fileno(f), &st) == 0)
- *time = (int)st.st_mtime;
- }
- fclose(f);
- return 1;
- }
- return 0;
- }
- char *emu_get_save_fname(int load, int is_sram, int slot, int *time)
- {
- char *saveFname = static_buff;
- char ext[16];
- if (is_sram)
- {
- strcpy(ext, (PicoIn.AHW & PAHW_MCD) ? ".brm" : ".srm");
- romfname_ext(saveFname, sizeof(static_buff),
- (PicoIn.AHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);
- if (!load)
- return saveFname;
- if (try_ropen_file(saveFname, time))
- return saveFname;
- romfname_ext(saveFname, sizeof(static_buff), NULL, ext);
- if (try_ropen_file(saveFname, time))
- return saveFname;
- }
- else
- {
- const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";
- const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";
- ext[0] = 0;
- if (slot > 0 && slot < 10)
- sprintf(ext, ".%i", slot);
- strcat(ext, ext_main);
- if (!load) {
- romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);
- return saveFname;
- }
- else {
- romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);
- if (try_ropen_file(saveFname, time))
- return saveFname;
- romfname_ext(saveFname, sizeof(static_buff), NULL, ext);
- if (try_ropen_file(saveFname, time))
- return saveFname;
- // try the other ext
- ext[0] = 0;
- if (slot > 0 && slot < 10)
- sprintf(ext, ".%i", slot);
- strcat(ext, ext_othr);
- romfname_ext(saveFname, sizeof(static_buff), "mds"PATH_SEP, ext);
- if (try_ropen_file(saveFname, time))
- return saveFname;
- }
- }
- return NULL;
- }
- int emu_check_save_file(int slot, int *time)
- {
- return emu_get_save_fname(1, 0, slot, time) ? 1 : 0;
- }
- int emu_save_load_game(int load, int sram)
- {
- int ret = 0;
- char *saveFname;
- // make save filename
- saveFname = emu_get_save_fname(load, sram, state_slot, NULL);
- if (saveFname == NULL) {
- if (!sram)
- emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");
- return -1;
- }
- lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
- if (sram)
- {
- FILE *sramFile;
- int sram_size;
- unsigned char *sram_data;
- int truncate = 1;
- if (PicoIn.AHW & PAHW_MCD)
- {
- if (PicoIn.opt & POPT_EN_MCD_RAMCART) {
- sram_size = 0x12000;
- sram_data = Pico.sv.data;
- if (sram_data)
- memcpy(sram_data, Pico_mcd->bram, 0x2000);
- } else {
- sram_size = 0x2000;
- sram_data = Pico_mcd->bram;
- truncate = 0; // the .brm may contain RAM cart data after normal brm
- }
- } else {
- sram_size = Pico.sv.size;
- sram_data = Pico.sv.data;
- }
- if (sram_data == NULL)
- return 0; // cart saves forcefully disabled for this game
- if (load)
- {
- sramFile = fopen(saveFname, "rb");
- if (!sramFile)
- return -1;
- ret = fread(sram_data, 1, sram_size, sramFile);
- ret = ret > 0 ? 0 : -1;
- fclose(sramFile);
- if ((PicoIn.AHW & PAHW_MCD) && (PicoIn.opt&POPT_EN_MCD_RAMCART))
- memcpy(Pico_mcd->bram, sram_data, 0x2000);
- } else {
- // sram save needs some special processing
- // see if we have anything to save
- for (; sram_size > 0; sram_size--)
- if (sram_data[sram_size-1]) break;
- if (sram_size) {
- sramFile = fopen(saveFname, truncate ? "wb" : "r+b");
- if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry
- if (!sramFile) return -1;
- ret = fwrite(sram_data, 1, sram_size, sramFile);
- ret = (ret != sram_size) ? -1 : 0;
- fclose(sramFile);
- #ifdef __GP2X__
- sync();
- #endif
- }
- }
- return ret;
- }
- else
- {
- ret = PicoState(saveFname, !load);
- if (!ret) {
- #ifdef __GP2X__
- if (!load) sync();
- #endif
- emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");
- } else {
- emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");
- ret = -1;
- }
- return ret;
- }
- }
- void emu_set_fastforward(int set_on)
- {
- static void *set_PsndOut = NULL;
- static int set_Frameskip, set_EmuOpt, is_on = 0;
- if (set_on && !is_on) {
- set_PsndOut = PicoIn.sndOut;
- set_Frameskip = currentConfig.Frameskip;
- set_EmuOpt = currentConfig.EmuOpt;
- PicoIn.sndOut = NULL;
- currentConfig.Frameskip = 8;
- currentConfig.EmuOpt &= ~4;
- currentConfig.EmuOpt |= 0x40000;
- is_on = 1;
- emu_status_msg("FAST FORWARD");
- }
- else if (!set_on && is_on) {
- PicoIn.sndOut = set_PsndOut;
- currentConfig.Frameskip = set_Frameskip;
- currentConfig.EmuOpt = set_EmuOpt;
- PsndRerate(1);
- is_on = 0;
- // mainly to unbreak pcm
- if (PicoIn.AHW & PAHW_MCD)
- pcd_state_loaded();
- }
- }
- static void emu_tray_open(void)
- {
- engineState = PGS_TrayMenu;
- }
- static void emu_tray_close(void)
- {
- emu_status_msg("CD tray closed.");
- }
- void emu_32x_startup(void)
- {
- plat_video_toggle_renderer(0, 0); // HACK
- system_announce();
- }
- void emu_reset_game(void)
- {
- PicoReset();
- reset_timing = 1;
- }
- void run_events_pico(unsigned int events)
- {
- int lim_x;
- if (events & PEV_PICO_SWINP) {
- pico_inp_mode++;
- if (pico_inp_mode > 2)
- pico_inp_mode = 0;
- switch (pico_inp_mode) {
- case 2: emu_status_msg("Input: Pen on Pad"); break;
- case 1: emu_status_msg("Input: Pen on Storyware"); break;
- case 0: emu_status_msg("Input: Joystick");
- PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
- break;
- }
- }
- if (events & PEV_PICO_PPREV) {
- PicoPicohw.page--;
- if (PicoPicohw.page < 0)
- PicoPicohw.page = 0;
- emu_status_msg("Page %i", PicoPicohw.page);
- }
- if (events & PEV_PICO_PNEXT) {
- PicoPicohw.page++;
- if (PicoPicohw.page > 6)
- PicoPicohw.page = 6;
- emu_status_msg("Page %i", PicoPicohw.page);
- }
- if (pico_inp_mode == 0)
- return;
- /* handle other input modes */
- if (PicoIn.pad[0] & 1) pico_pen_y--;
- if (PicoIn.pad[0] & 2) pico_pen_y++;
- if (PicoIn.pad[0] & 4) pico_pen_x--;
- if (PicoIn.pad[0] & 8) pico_pen_x++;
- PicoIn.pad[0] &= ~0x0f; // release UDLR
- lim_x = (Pico.video.reg[12]&1) ? 319 : 255;
- if (pico_pen_y < 8)
- pico_pen_y = 8;
- if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)
- pico_pen_y = 224 - PICO_PEN_ADJUST_Y;
- if (pico_pen_x < 0)
- pico_pen_x = 0;
- if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)
- pico_pen_x = lim_x - PICO_PEN_ADJUST_X;
- PicoPicohw.pen_pos[0] = pico_pen_x;
- if (!(Pico.video.reg[12] & 1))
- PicoPicohw.pen_pos[0] += pico_pen_x / 4;
- PicoPicohw.pen_pos[0] += 0x3c;
- PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);
- }
- static void do_turbo(unsigned short *pad, int acts)
- {
- static int turbo_pad = 0;
- static unsigned char turbo_cnt[3] = { 0, 0, 0 };
- int inc = currentConfig.turbo_rate * 2;
- if (acts & 0x1000) {
- turbo_cnt[0] += inc;
- if (turbo_cnt[0] >= 60)
- turbo_pad ^= 0x10, turbo_cnt[0] = 0;
- }
- if (acts & 0x2000) {
- turbo_cnt[1] += inc;
- if (turbo_cnt[1] >= 60)
- turbo_pad ^= 0x20, turbo_cnt[1] = 0;
- }
- if (acts & 0x4000) {
- turbo_cnt[2] += inc;
- if (turbo_cnt[2] >= 60)
- turbo_pad ^= 0x40, turbo_cnt[2] = 0;
- }
- *pad |= turbo_pad & (acts >> 8);
- }
- static void run_events_ui(unsigned int which)
- {
- if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))
- {
- int do_it = 1;
- if ( emu_check_save_file(state_slot, NULL) &&
- (((which & PEV_STATE_LOAD) && (currentConfig.confirm_save & EOPT_CONFIRM_LOAD)) ||
- ((which & PEV_STATE_SAVE) && (currentConfig.confirm_save & EOPT_CONFIRM_SAVE))) )
- {
- const char *nm;
- char tmp[64];
- int keys, len;
- strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE? " : "OVERWRITE SAVE? ");
- len = strlen(tmp);
- nm = in_get_key_name(-1, -PBTN_MOK);
- snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);
- len = strlen(tmp);
- nm = in_get_key_name(-1, -PBTN_MBACK);
- snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);
- plat_status_msg_busy_first(tmp);
- in_set_config_int(0, IN_CFG_BLOCKING, 1);
- while (in_menu_wait_any(NULL, 50) & (PBTN_MOK | PBTN_MBACK))
- ;
- while ( !((keys = in_menu_wait_any(NULL, 50)) & (PBTN_MOK | PBTN_MBACK)))
- ;
- if (keys & PBTN_MBACK)
- do_it = 0;
- while (in_menu_wait_any(NULL, 50) & (PBTN_MOK | PBTN_MBACK))
- ;
- in_set_config_int(0, IN_CFG_BLOCKING, 0);
- plat_status_msg_clear();
- }
- if (do_it) {
- plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");
- PicoStateProgressCB = plat_status_msg_busy_next;
- emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);
- PicoStateProgressCB = NULL;
- }
- }
- if (which & PEV_SWITCH_RND)
- {
- plat_video_toggle_renderer(1, 0);
- }
- if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))
- {
- if (which & PEV_SSLOT_PREV) {
- state_slot -= 1;
- if (state_slot < 0)
- state_slot = 9;
- } else {
- state_slot += 1;
- if (state_slot > 9)
- state_slot = 0;
- }
- emu_status_msg("SAVE SLOT %i [%s]", state_slot,
- emu_check_save_file(state_slot, NULL) ? "USED" : "FREE");
- }
- if (which & PEV_RESET)
- emu_reset_game();
- if (which & PEV_MENU)
- engineState = PGS_Menu;
- }
- void emu_update_input(void)
- {
- static int prev_events = 0;
- int actions[IN_BINDTYPE_COUNT] = { 0, };
- int pl_actions[2];
- int events;
- in_update(actions);
- pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];
- pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;
- PicoIn.pad[0] = pl_actions[0] & 0xfff;
- PicoIn.pad[1] = pl_actions[1] & 0xfff;
- if (pl_actions[0] & 0x7000)
- do_turbo(&PicoIn.pad[0], pl_actions[0]);
- if (pl_actions[1] & 0x7000)
- do_turbo(&PicoIn.pad[1], pl_actions[1]);
- events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
- // volume is treated in special way and triggered every frame
- if (events & (PEV_VOL_DOWN|PEV_VOL_UP))
- plat_update_volume(1, events & PEV_VOL_UP);
- if ((events ^ prev_events) & PEV_FF) {
- emu_set_fastforward(events & PEV_FF);
- plat_update_volume(0, 0);
- reset_timing = 1;
- }
- events &= ~prev_events;
- if (PicoIn.AHW == PAHW_PICO)
- run_events_pico(events);
- if (events)
- run_events_ui(events);
- if (movie_data)
- update_movie();
- prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
- }
- static void mkdir_path(char *path_with_reserve, int pos, const char *name)
- {
- strcpy(path_with_reserve + pos, name);
- if (plat_is_dir(path_with_reserve))
- return;
- if (mkdir(path_with_reserve, 0777) < 0)
- lprintf("failed to create: %s\n", path_with_reserve);
- }
- void emu_cmn_forced_frame(int no_scale, int do_emu)
- {
- int po_old = PicoIn.opt;
- int y;
- for (y = 0; y < g_screen_height; y++)
- memset32((short *)g_screen_ptr + g_screen_ppitch * y, 0,
- g_screen_width * 2 / 4);
- PicoIn.opt &= ~POPT_ALT_RENDERER;
- PicoIn.opt |= POPT_ACC_SPRITES;
- if (!no_scale && currentConfig.scaling)
- PicoIn.opt |= POPT_EN_SOFTSCALE;
- PicoDrawSetOutFormat(PDF_RGB555, 1);
- Pico.m.dirtyPal = 1;
- Pico.est.rendstatus |= PDRAW_DIRTY_SPRITES;
- if (do_emu)
- PicoFrame();
- else
- PicoFrameDrawOnly();
- PicoIn.opt = po_old;
- }
- void emu_init(void)
- {
- char path[512];
- int pos;
- #if 0
- // FIXME: handle through menu, etc
- FILE *f;
- f = fopen("32X_M_BIOS.BIN", "rb");
- p32x_bios_m = malloc(2048);
- fread(p32x_bios_m, 1, 2048, f);
- fclose(f);
- f = fopen("32X_S_BIOS.BIN", "rb");
- p32x_bios_s = malloc(1024);
- fread(p32x_bios_s, 1, 1024, f);
- fclose(f);
- #endif
- /* make dirs for saves */
- pos = plat_get_root_dir(path, sizeof(path) - 4);
- mkdir_path(path, pos, "mds");
- mkdir_path(path, pos, "srm");
- mkdir_path(path, pos, "brm");
- mkdir_path(path, pos, "cfg");
- pprof_init();
- make_config_cfg(path);
- config_readlrom(path);
- PicoInit();
- PicoIn.osdMessage = plat_status_msg_busy_next;
- PicoIn.mcdTrayOpen = emu_tray_open;
- PicoIn.mcdTrayClose = emu_tray_close;
- sndout_init();
- }
- void emu_finish(void)
- {
- // save SRAM
- if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && Pico.sv.changed) {
- emu_save_load_game(0, 1);
- Pico.sv.changed = 0;
- }
- if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {
- char cfg[512];
- make_config_cfg(cfg);
- config_writelrom(cfg);
- #ifdef __GP2X__
- sync();
- #endif
- }
- pprof_finish();
- PicoExit();
- sndout_exit();
- }
- static void snd_write_nonblocking(int len)
- {
- sndout_write_nb(PicoIn.sndOut, len);
- }
- void emu_sound_start(void)
- {
- PicoIn.sndOut = NULL;
- if (currentConfig.EmuOpt & EOPT_EN_SOUND)
- {
- int is_stereo = (PicoIn.opt & POPT_EN_STEREO) ? 1 : 0;
- PsndRerate(Pico.m.frame_count ? 1 : 0);
- printf("starting audio: %i len: %i stereo: %i, pal: %i\n",
- PicoIn.sndRate, Pico.snd.len, is_stereo, Pico.m.pal);
- sndout_start(PicoIn.sndRate, is_stereo);
- PicoIn.writeSound = snd_write_nonblocking;
- plat_update_volume(0, 0);
- memset(sndBuffer, 0, sizeof(sndBuffer));
- PicoIn.sndOut = sndBuffer;
- }
- }
- void emu_sound_stop(void)
- {
- sndout_stop();
- }
- void emu_sound_wait(void)
- {
- sndout_wait();
- }
- static void emu_loop_prep(void)
- {
- static int pal_old = -1;
- static int filter_old = -1;
- if (currentConfig.CPUclock != plat_target_cpu_clock_get())
- plat_target_cpu_clock_set(currentConfig.CPUclock);
- if (Pico.m.pal != pal_old) {
- plat_target_lcdrate_set(Pico.m.pal);
- pal_old = Pico.m.pal;
- }
- if (currentConfig.filter != filter_old) {
- plat_target_hwfilter_set(currentConfig.filter);
- filter_old = currentConfig.filter;
- }
- plat_target_gamma_set(currentConfig.gamma, 0);
- pemu_loop_prep();
- }
- /* our tick here is 1 us right now */
- #define ms_to_ticks(x) (unsigned int)(x * 1000)
- #define get_ticks() plat_get_ticks_us()
- void emu_loop(void)
- {
- int frames_done, frames_shown; /* actual frames for fps counter */
- int target_frametime_x3;
- unsigned int timestamp_x3 = 0;
- unsigned int timestamp_aim_x3 = 0;
- unsigned int timestamp_fps_x3 = 0;
- char *notice_msg = NULL;
- char fpsbuff[24];
- int fskip_cnt = 0;
- fpsbuff[0] = 0;
- PicoLoopPrepare();
- plat_video_loop_prepare();
- emu_loop_prep();
- pemu_sound_start();
- /* number of ticks per frame */
- if (Pico.m.pal)
- target_frametime_x3 = 3 * ms_to_ticks(1000) / 50;
- else
- target_frametime_x3 = 3 * ms_to_ticks(1000) / 60;
- reset_timing = 1;
- frames_done = frames_shown = 0;
- /* loop with resync every 1 sec. */
- while (engineState == PGS_Running)
- {
- int skip = 0;
- int diff;
- pprof_start(main);
- if (reset_timing) {
- reset_timing = 0;
- plat_video_wait_vsync();
- timestamp_aim_x3 = get_ticks() * 3;
- timestamp_fps_x3 = timestamp_aim_x3;
- fskip_cnt = 0;
- }
- else if (currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) {
- timestamp_aim_x3 = get_ticks() * 3;
- }
- timestamp_x3 = get_ticks() * 3;
- // show notice_msg message?
- if (notice_msg_time != 0)
- {
- static int noticeMsgSum;
- if (timestamp_x3 - ms_to_ticks(notice_msg_time) * 3
- > ms_to_ticks(STATUS_MSG_TIMEOUT) * 3)
- {
- notice_msg_time = 0;
- notice_msg = NULL;
- plat_status_msg_clear();
- }
- else {
- int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];
- if (sum != noticeMsgSum) {
- plat_status_msg_clear();
- noticeMsgSum = sum;
- }
- notice_msg = noticeMsg;
- }
- }
- // second changed?
- if (timestamp_x3 - timestamp_fps_x3 >= ms_to_ticks(1000) * 3)
- {
- #ifdef BENCHMARK
- static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];
- if (++bench == 10) {
- bench = 0;
- bench_fps_s = bench_fps;
- bf[bfp++ & 3] = bench_fps;
- bench_fps = 0;
- }
- bench_fps += frames_shown;
- sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);
- printf("%s\n", fpsbuff);
- #else
- if (currentConfig.EmuOpt & EOPT_SHOW_FPS)
- snprintf(fpsbuff, 8, "%02i/%02i ", frames_shown, frames_done);
- #endif
- frames_shown = frames_done = 0;
- timestamp_fps_x3 += ms_to_ticks(1000) * 3;
- }
- #ifdef PFRAMES
- sprintf(fpsbuff, "%i", Pico.m.frame_count);
- #endif
- diff = timestamp_aim_x3 - timestamp_x3;
- if (currentConfig.Frameskip >= 0) // frameskip enabled (or 0)
- {
- if (fskip_cnt < currentConfig.Frameskip) {
- fskip_cnt++;
- skip = 1;
- }
- else {
- fskip_cnt = 0;
- }
- }
- else if (diff < -target_frametime_x3)
- {
- /* no time left for this frame - skip */
- /* limit auto frameskip to max_skip */
- if (fskip_cnt < currentConfig.max_skip) {
- fskip_cnt++;
- skip = 1;
- }
- else {
- fskip_cnt = 0;
- }
- } else
- fskip_cnt = 0;
- // don't go in debt too much
- while (diff < -target_frametime_x3 * 3) {
- timestamp_aim_x3 += target_frametime_x3;
- diff = timestamp_aim_x3 - timestamp_x3;
- }
- emu_update_input();
- if (skip) {
- int do_audio = diff > -target_frametime_x3 * 2;
- PicoIn.skipFrame = do_audio ? 1 : 2;
- PicoFrame();
- PicoIn.skipFrame = 0;
- }
- else {
- PicoFrame();
- pemu_finalize_frame(fpsbuff, notice_msg);
- frames_shown++;
- }
- frames_done++;
- timestamp_aim_x3 += target_frametime_x3;
- if (!skip && !flip_after_sync)
- plat_video_flip();
- /* frame limiter */
- if (!skip && !reset_timing
- && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))
- {
- unsigned int timestamp = get_ticks();
- diff = timestamp_aim_x3 - timestamp * 3;
- // sleep or vsync if we are still too fast
- if (diff > target_frametime_x3 && (currentConfig.EmuOpt & EOPT_VSYNC)) {
- // we are too fast
- plat_video_wait_vsync();
- timestamp = get_ticks();
- diff = timestamp * 3 - timestamp_aim_x3;
- }
- if (diff > target_frametime_x3) {
- // still too fast
- plat_wait_till_us(timestamp + (diff - target_frametime_x3) / 3);
- }
- }
- if (!skip && flip_after_sync)
- plat_video_flip();
- pprof_end(main);
- }
- emu_set_fastforward(0);
- // save SRAM
- if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && Pico.sv.changed) {
- plat_status_msg_busy_first("Writing SRAM/BRAM...");
- emu_save_load_game(0, 1);
- Pico.sv.changed = 0;
- }
- pemu_loop_end();
- emu_sound_stop();
- }
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