\r
#include <stdio.h>\r
#include <stdlib.h>\r
+#include <stdarg.h>\r
#ifndef NO_SYNC\r
#include <unistd.h>\r
#endif\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 <zlib/zlib.h>\r
\r
\r
+#define STATUS_MSG_TIMEOUT 2000\r
+\r
void *g_screen_ptr;\r
\r
#if !SCREEN_SIZE_FIXED\r
\r
char *PicoConfigFile = "config.cfg";\r
currentConfig_t currentConfig, defaultConfig;\r
-char noticeMsg[64] = { 0, };\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
char rom_fname_reload[512] = { 0, };\r
char rom_fname_loaded[512] = { 0, };\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
-char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
-char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
-char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\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
-int emu_findBios(int region, char **bios_file)\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
- 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_getMainDir(bios_path, sizeof(bios_path));\r
- strcat(bios_path, files[i]);\r
+ emu_make_path(bios_path, files[i], sizeof(bios_path) - 4);\r
strcat(bios_path, ".bin");\r
f = fopen(bios_path, "rb");\r
if (f) break;\r
\r
/* checks if fname points to valid MegaCD image\r
* if so, checks for suitable BIOS */\r
-int emu_cdCheck(int *pregion, char *fname_in)\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 p - dest;\r
}\r
\r
-char *emu_makeRomId(void)\r
+static char *emu_make_rom_id(void)\r
{\r
static char id_string[3+0xe*3+0x3*3+0x30*3+3];\r
int pos, swab = 1;\r
}\r
\r
// buffer must be at least 150 byte long\r
-void emu_getGameName(char *str150)\r
+void emu_get_game_name(char *str150)\r
{\r
int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;\r
char *s, *d;\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
// note: this function might mangle rom_fname\r
-int emu_ReloadRom(char *rom_fname)\r
+int emu_reload_rom(char *rom_fname)\r
{\r
unsigned int rom_size = 0;\r
char *used_rom_name = rom_fname;\r
get_ext(rom_fname, ext);\r
}\r
\r
- emu_shutdownMCD();\r
+ shutdown_MCD();\r
\r
// check for MegaCD image\r
- cd_state = emu_cdCheck(&cd_region, rom_fname);\r
+ cd_state = emu_cd_check(&cd_region, rom_fname);\r
if (cd_state >= 0 && cd_state != CIT_NOT_CD)\r
{\r
PicoAHW |= PAHW_MCD;\r
// valid CD image, check for BIOS..\r
\r
// we need to have config loaded at this point\r
- ret = emu_ReadConfig(1, 1);\r
- if (!ret) emu_ReadConfig(0, 1);\r
+ ret = emu_read_config(1, 1);\r
+ if (!ret) emu_read_config(0, 1);\r
cfg_loaded = 1;\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
}\r
- if (!emu_findBios(cd_region, &used_rom_name)) {\r
- // bios_help() ?\r
+ if (!find_bios(cd_region, &used_rom_name)) {\r
PicoAHW &= ~PAHW_MCD;\r
return 0;\r
}\r
if (!(PicoAHW & PAHW_MCD))\r
memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r
if (!cfg_loaded) {\r
- ret = emu_ReadConfig(1, 1);\r
- if (!ret) emu_ReadConfig(0, 1);\r
+ ret = emu_read_config(1, 1);\r
+ if (!ret) emu_read_config(0, 1);\r
}\r
\r
lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
// TODO: bits 6 & 5\r
}\r
movie_data[0x18+30] = 0;\r
- sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r
+ emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r
}\r
else\r
{\r
PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
- if (Pico.m.pal) {\r
- strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r
- } else {\r
- strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r
- }\r
+ emu_status_msg(Pico.m.pal ? "PAL SYSTEM / 50 FPS" : "NTSC SYSTEM / 60 FPS");\r
}\r
- emu_noticeMsgUpdated();\r
\r
// load SRAM for this ROM\r
- if (currentConfig.EmuOpt & EOPT_USE_SRAM)\r
- emu_SaveLoadGame(1, 1);\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
return 0;\r
}\r
\r
-\r
-void emu_shutdownMCD(void)\r
+int emu_swap_cd(const char *fname)\r
{\r
- if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)\r
- Stop_CD();\r
- PicoAHW &= ~PAHW_MCD;\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
static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
for (; p >= rom_fname_loaded && *p != PATH_SEP_C; p--); p++;\r
*dst = 0;\r
if (prefix) {\r
- int len = emu_getMainDir(dst, 512);\r
+ int len = plat_get_root_dir(dst, 512);\r
strcpy(dst + len, prefix);\r
prefix_len = len + strlen(prefix);\r
}\r
if (ext) strcat(dst, ext);\r
}\r
\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)\r
+static void make_config_cfg(char *cfg_buff_512)\r
{\r
- int len;\r
- len = emu_getMainDir(cfg, 512);\r
- strncpy(cfg + len, PicoConfigFile, 512-6-1-len);\r
+ emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);\r
if (config_slot != 0)\r
{\r
- char *p = strrchr(cfg, '.');\r
- if (p == NULL) p = cfg + strlen(cfg);\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[511] = 0;\r
-}\r
-\r
-void emu_packConfig(void)\r
-{\r
- currentConfig.s_PicoOpt = PicoOpt;\r
- currentConfig.s_PsndRate = PsndRate;\r
- currentConfig.s_PicoRegion = PicoRegionOverride;\r
- currentConfig.s_PicoAutoRgnOrder = PicoAutoRgnOrder;\r
- currentConfig.s_PicoCDBuffers = PicoCDBuffers;\r
+ cfg_buff_512[511] = 0;\r
}\r
\r
-void emu_unpackConfig(void)\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
PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r
}\r
\r
-static void emu_setDefaultConfig(void)\r
-{\r
- memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));\r
- emu_unpackConfig();\r
-}\r
-\r
-\r
-int emu_ReadConfig(int game, int no_defaults)\r
+int emu_read_config(int game, int no_defaults)\r
{\r
char cfg[512];\r
int ret;\r
if (!game)\r
{\r
if (!no_defaults)\r
- emu_setDefaultConfig();\r
+ emu_set_defconfig();\r
make_config_cfg(cfg);\r
ret = config_readsect(cfg, NULL);\r
}\r
else\r
{\r
- char *sect = emu_makeRomId();\r
+ char *sect = emu_make_rom_id();\r
\r
// try new .cfg way\r
if (config_slot != 0)\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
-int emu_WriteConfig(int is_game)\r
+int emu_write_config(int is_game)\r
{\r
char cfg[512], *game_sect = NULL;\r
int ret, write_lrom = 0;\r
if (config_slot != 0)\r
sprintf(cfg, "game.%i.cfg", config_slot);\r
else strcpy(cfg, "game.cfg");\r
- game_sect = emu_makeRomId();\r
- lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);\r
+ game_sect = emu_make_rom_id();\r
+ lprintf("emu_write_config: sect \"%s\"\n", game_sect);\r
}\r
\r
- lprintf("emu_WriteConfig: %s ", cfg);\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
}\r
\r
\r
-void emu_writelrom(void)\r
-{\r
- char cfg[512];\r
- make_config_cfg(cfg);\r
- config_writelrom(cfg);\r
-#ifndef NO_SYNC\r
- sync();\r
-#endif\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
\r
-void emu_updateMovie(void)\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
- strcpy(noticeMsg, "END OF MOVIE.");\r
+ emu_status_msg("END OF MOVIE.");\r
lprintf("END OF MOVIE.\n");\r
- emu_noticeMsgUpdated();\r
} else {\r
// MXYZ SACB RLDU\r
PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
return 0;\r
}\r
\r
-char *emu_GetSaveFName(int load, int is_sram, int slot)\r
+char *emu_get_save_fname(int load, int is_sram, int slot)\r
{\r
static char saveFname[512];\r
char ext[16];\r
return saveFname;\r
}\r
\r
-int emu_checkSaveFile(int slot)\r
+int emu_check_save_file(int slot)\r
{\r
- return emu_GetSaveFName(1, 0, slot) ? 1 : 0;\r
+ return emu_get_save_fname(1, 0, slot) ? 1 : 0;\r
}\r
\r
void emu_setSaveStateCbs(int gz)\r
}\r
}\r
\r
-int emu_SaveLoadGame(int load, int sram)\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_GetSaveFName(load, sram, state_slot);\r
+ saveFname = emu_get_save_fname(load, sram, state_slot);\r
if (saveFname == NULL) {\r
- if (!sram) {\r
- strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");\r
- emu_noticeMsgUpdated();\r
- }\r
+ if (!sram)\r
+ emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r
return -1;\r
}\r
\r
}\r
else ret = -1;\r
if (!ret)\r
- strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r
+ emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");\r
else\r
{\r
- strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r
+ emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r
ret = -1;\r
}\r
\r
- emu_noticeMsgUpdated();\r
return ret;\r
}\r
}\r
\r
-void emu_changeFastForward(int set_on)\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
currentConfig.EmuOpt &= ~4;\r
currentConfig.EmuOpt |= 0x40000;\r
is_on = 1;\r
- strcpy(noticeMsg, "FAST FORWARD ");\r
- emu_noticeMsgUpdated();\r
+ emu_status_msg("FAST FORWARD");\r
}\r
else if (!set_on && is_on) {\r
PsndOut = set_PsndOut;\r
}\r
}\r
\r
-void emu_RunEventsPico(unsigned int events)\r
+static void emu_msg_tray_open(void)\r
{\r
- if (events & (1 << 3)) {\r
+ emu_status_msg("CD tray opened");\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) pico_inp_mode = 0;\r
+ if (pico_inp_mode > 2)\r
+ pico_inp_mode = 0;\r
switch (pico_inp_mode) {\r
- case 2: strcpy(noticeMsg, "Input: Pen on Pad "); break;\r
- case 1: strcpy(noticeMsg, "Input: Pen on Storyware"); break;\r
- case 0: strcpy(noticeMsg, "Input: Joytick ");\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
- emu_noticeMsgUpdated();\r
}\r
- if (events & (1 << 4)) {\r
+ if (events & PEV_PICO_PPREV) {\r
PicoPicohw.page--;\r
- if (PicoPicohw.page < 0) PicoPicohw.page = 0;\r
- sprintf(noticeMsg, "Page %i ", PicoPicohw.page);\r
- emu_noticeMsgUpdated();\r
+ if (PicoPicohw.page < 0)\r
+ PicoPicohw.page = 0;\r
+ emu_status_msg("Page %i", PicoPicohw.page);\r
}\r
- if (events & (1 << 5)) {\r
+ if (events & PEV_PICO_PNEXT) {\r
PicoPicohw.page++;\r
- if (PicoPicohw.page > 6) PicoPicohw.page = 6;\r
- sprintf(noticeMsg, "Page %i ", PicoPicohw.page);\r
- emu_noticeMsgUpdated();\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
-void emu_DoTurbo(int *pad, int acts)\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
*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) &&\r
+ (((which & PEV_STATE_LOAD) && (currentConfig.EmuOpt & EOPT_CONFIRM_LOAD)) ||\r
+ ((which & PEV_STATE_SAVE) && (currentConfig.EmuOpt & 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_blocking(1);\r
+ while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))\r
+ ;\r
+ while ( !((keys = in_menu_wait_any(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
+ ;\r
+ in_set_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) ? "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_init(void)\r
+{\r
+ char path[512];\r
+ int pos;\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
+ 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
+}\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
+ 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 oldmodes, 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
+ oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
+ Pico.m.dirtyPal = 1;\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
+ // prepare CD buffer\r
+ if (PicoAHW & PAHW_MCD)\r
+ PicoCDBufferInit();\r
+\r
+ if (currentConfig.EmuOpt & EOPT_PSYNC)\r
+ plat_video_wait_vsync();\r
+\r
+ pemu_loop_prep();\r
+\r
+ timestamp_fps = get_ticks();\r
+ reset_timing = 1;\r
+\r
+ frames_done = frames_shown = pframes_done = 0;\r
+\r
+ /* loop with resync every 1 sec. */\r
+ while (engineState == PGS_Running)\r
+ {\r
+ unsigned int timestamp;\r
+ int diff, diff_lim;\r
+ int modes;\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
+ // check for mode changes\r
+ modes = ((Pico.video.reg[12]&1)<<2) | (Pico.video.reg[1]&8);\r
+ if (modes != oldmodes) {\r
+ oldmodes = modes;\r
+ pemu_video_mode_change(!(modes & 4), (modes & 8));\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
+#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
+ /* don't allow it to drift during heavy slowdowns */\r
+ if (pframes_done < -5) {\r
+ reset_timing = 1;\r
+ continue;\r
+ }\r
+ if (pframes_done < -2)\r
+ pframes_done = -2;\r
+ }\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)) {\r
+ timestamp = get_ticks();\r
+ diff = timestamp - timestamp_base;\r
+ if (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
+ if (diff - diff_lim >= ms_to_ticks(200)) {\r
+ /* if too much behind, reset instead */\r
+ reset_timing = 1;\r
+ continue;\r
+ }\r
+ emu_update_input();\r
+ skip_frame(diff < diff_lim + target_frametime * 2);\r
+ pframes_done++; frames_done++;\r
+ continue;\r
+ }\r
+\r
+ emu_update_input();\r
+ PicoFrame();\r
+\r
+ /* frame limiter */\r
+ if (!reset_timing && !(currentConfig.EmuOpt & EOPT_NO_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
+ if (currentConfig.EmuOpt & EOPT_PSYNC) {\r
+ if (diff_lim - diff > target_frametime/2)\r
+ plat_wait_till_us(timestamp_base + target_frametime/4);\r
+ plat_video_wait_vsync();\r
+ } else\r
+ plat_wait_till_us(timestamp_base + diff_lim);\r
+ }\r
+ }\r
+\r
+ pemu_update_display(fpsbuff, notice_msg);\r
+\r
+ pframes_done++; frames_done++; frames_shown++;\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