-// (c) Copyright 2006-2007 notaz, All rights reserved.\r
+// (c) Copyright 2006-2009 notaz, All rights reserved.\r
// Free for non-commercial use.\r
\r
// For commercial use, separate licencing terms must be obtained.\r
#include <pico/pico_int.h>\r
#include <pico/patch.h>\r
#include <pico/cd/cue.h>\r
-#include <zlib/zlib.h>\r
\r
\r
+#define STATUS_MSG_TIMEOUT 2000\r
+\r
void *g_screen_ptr;\r
\r
#if !SCREEN_SIZE_FIXED\r
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
void emu_status_msg(const char *format, ...)\r
{\r
va_list vl;\r
+ int ret;\r
\r
va_start(vl, format);\r
- vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\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 *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
-static const char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
-static const char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
+static const char * const biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
+static const char * const biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
+static const char * const biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
\r
static int find_bios(int region, char **bios_file)\r
{\r
static char bios_path[1024];\r
int i, count;\r
- const char **files;\r
+ const char * const *files;\r
FILE *f = NULL;\r
\r
if (region == 4) { // US\r
\r
/* checks if fname points to valid MegaCD image\r
* if so, checks for suitable BIOS */\r
-int emu_cd_check(int *pregion, char *fname_in)\r
+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
// valid CD image, check for BIOS..\r
\r
// we need to have config loaded at this point\r
- ret = emu_read_config(1, 1);\r
- if (!ret) emu_read_config(0, 1);\r
+ ret = emu_read_config(1, 0);\r
+ if (!ret) emu_read_config(0, 0);\r
cfg_loaded = 1;\r
\r
if (PicoRegionOverride) {\r
if (!(PicoAHW & PAHW_MCD))\r
memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r
if (!cfg_loaded) {\r
- ret = emu_read_config(1, 1);\r
- if (!ret) emu_read_config(0, 1);\r
+ ret = emu_read_config(1, 0);\r
+ if (!ret) emu_read_config(0, 0);\r
}\r
\r
lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
emu_status_msg(Pico.m.pal ? "PAL SYSTEM / 50 FPS" : "NTSC SYSTEM / 60 FPS");\r
}\r
\r
+ strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r
+ rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
+ rom_loaded = 1;\r
+\r
// load SRAM for this ROM\r
if (currentConfig.EmuOpt & EOPT_EN_SRAM)\r
emu_save_load_game(1, 1);\r
\r
- strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r
- rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
- rom_loaded = 1;\r
return 1;\r
\r
fail2:\r
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
static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
{\r
char *p;\r
char cfg[512];\r
int ret;\r
\r
+ if (!no_defaults)\r
+ emu_set_defconfig();\r
+\r
if (!game)\r
{\r
- if (!no_defaults)\r
- emu_set_defconfig();\r
make_config_cfg(cfg);\r
ret = config_readsect(cfg, NULL);\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
-\r
-static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
-{\r
- return gzread(file, p, _n);\r
-}\r
-\r
-\r
-static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
-{\r
- return gzwrite(file, p, _n);\r
-}\r
-\r
static int try_ropen_file(const char *fname)\r
{\r
FILE *f;\r
\r
if (is_sram)\r
{\r
- romfname_ext(saveFname, (PicoAHW&1) ? "brm"PATH_SEP : "srm"PATH_SEP, (PicoAHW&1) ? ".brm" : ".srm");\r
+ romfname_ext(saveFname, (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP,\r
+ (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
if (load) {\r
if (try_ropen_file(saveFname)) return saveFname;\r
// try in current dir..\r
return emu_get_save_fname(1, 0, slot) ? 1 : 0;\r
}\r
\r
-void emu_setSaveStateCbs(int gz)\r
-{\r
- if (gz) {\r
- areaRead = gzRead2;\r
- areaWrite = gzWrite2;\r
- areaEof = (areaeof *) gzeof;\r
- areaSeek = (areaseek *) gzseek;\r
- areaClose = (areaclose *) gzclose;\r
- } else {\r
- areaRead = (arearw *) fread;\r
- areaWrite = (arearw *) fwrite;\r
- areaEof = (areaeof *) feof;\r
- areaSeek = (areaseek *) fseek;\r
- areaClose = (areaclose *) fclose;\r
- }\r
-}\r
-\r
int emu_save_load_game(int load, int sram)\r
{\r
int ret = 0;\r
}\r
else\r
{\r
- void *PmovFile = NULL;\r
- if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)\r
- {\r
- if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
- emu_setSaveStateCbs(1);\r
- if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
- }\r
- }\r
- else\r
- {\r
- if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
- emu_setSaveStateCbs(0);\r
- }\r
- }\r
- if(PmovFile) {\r
- ret = PmovState(load ? 6 : 5, PmovFile);\r
- areaClose(PmovFile);\r
- PmovFile = 0;\r
- if (load) Pico.m.dirtyPal=1;\r
+ ret = PicoState(saveFname, !load);\r
+ if (!ret) {\r
#ifndef NO_SYNC\r
- else sync();\r
+ if (!load) sync();\r
#endif\r
- }\r
- else ret = -1;\r
- if (!ret)\r
- emu_status_msg(load ? "GAME LOADED" : "GAME SAVED");\r
- else\r
- {\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
}\r
\r
-static void emu_msg_tray_open(void)\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 opened");\r
+ emu_status_msg("CD tray closed.");\r
}\r
\r
void emu_reset_game(void)\r
in_set_blocking(0);\r
}\r
if (do_it) {\r
- plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING GAME" : "SAVING GAME");\r
+ plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");\r
PicoStateProgressCB = plat_status_msg_busy_next;\r
emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);\r
PicoStateProgressCB = NULL;\r
\r
PicoInit();\r
PicoMessage = plat_status_msg_busy_next;\r
- PicoMCDopenTray = emu_msg_tray_open;\r
- PicoMCDcloseTray = menu_loop_tray;\r
+ PicoMCDopenTray = emu_tray_open;\r
+ PicoMCDcloseTray = emu_tray_close;\r
}\r
\r
void emu_finish(void)\r
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
\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
if (notice_msg_time != 0)\r
{\r
static int noticeMsgSum;\r
- if (timestamp - ms_to_ticks(notice_msg_time) > ms_to_ticks(2000)) {\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
\r
if (timestamp - timestamp_base >= ms_to_ticks(1000))\r
{\r
- if (PsndOut == 0 && currentConfig.Frameskip >= 0)\r
+ if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && currentConfig.Frameskip >= 0)\r
pframes_done = 0;\r
- else\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
pframes_done++; frames_done++;\r
diff_lim += target_frametime;\r
\r
- if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\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
else if (diff > diff_lim)\r
{\r
/* no time left for this frame - skip */\r
- if (diff - diff_lim >= ms_to_ticks(300)) {\r
+ if (diff - diff_lim >= ms_to_ticks(200)) {\r
/* if too much behind, reset instead */\r
reset_timing = 1;\r
continue;\r
PicoFrame();\r
\r
/* frame limiter */\r
- if (!reset_timing && (PsndOut != NULL || currentConfig.Frameskip < 0))\r
+ if (!reset_timing && !(currentConfig.EmuOpt & EOPT_NO_FRMLIMIT))\r
{\r
timestamp = get_ticks();\r
diff = timestamp - timestamp_base;\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_wait_till_us(timestamp_base + diff_lim - target_frametime / 4);\r
+ if (currentConfig.EmuOpt & EOPT_VSYNC)\r
plat_video_wait_vsync();\r
- } else\r
- plat_wait_till_us(timestamp_base + diff_lim);\r
}\r
}\r
\r
\r
emu_set_fastforward(0);\r
\r
- if (PicoAHW & PAHW_MCD)\r
- PicoCDBufferFree();\r
-\r
// save SRAM\r
if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
plat_status_msg_busy_first("Writing SRAM/BRAM...");\r
SRam.changed = 0;\r
}\r
\r
- // do menu background to be sure it's right\r
- pemu_forced_frame(POPT_EN_SOFTSCALE);\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 / picodrive.git / blobdiff