\r
#include <stdio.h>\r
#include <stdlib.h>\r
+#include <stdarg.h>\r
#ifndef NO_SYNC\r
#include <unistd.h>\r
#endif\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
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
-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
+void emu_status_msg(const char *format, ...)\r
+{\r
+ va_list vl;\r
+ int ret;\r
+\r
+ va_start(vl, format);\r
+ ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r
+ va_end(vl);\r
+\r
+ /* be sure old text gets overwritten */\r
+ for (; ret < 28; ret++)\r
+ noticeMsg[ret] = ' ';\r
+ noticeMsg[ret] = 0;\r
+\r
+ notice_msg_time = plat_get_ticks_ms();\r
+}\r
+\r
+static const char * const biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
+static const char * const biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
+static const char * const biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
\r
static int find_bios(int region, char **bios_file)\r
{\r
static char bios_path[1024];\r
int i, count;\r
- const char **files;\r
+ const char * const *files;\r
FILE *f = NULL;\r
\r
if (region == 4) { // US\r
\r
/* 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
// TODO: bits 6 & 5\r
}\r
movie_data[0x18+30] = 0;\r
- plat_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r
+ emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r
}\r
else\r
{\r
PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
- plat_status_msg(Pico.m.pal ? "PAL SYSTEM / 50 FPS" : "NTSC SYSTEM / 60 FPS");\r
+ emu_status_msg(Pico.m.pal ? "PAL SYSTEM / 50 FPS" : "NTSC SYSTEM / 60 FPS");\r
}\r
\r
// load SRAM for this ROM\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
if (offs+3 > movie_size) {\r
free(movie_data);\r
movie_data = 0;\r
- plat_status_msg("END OF MOVIE.");\r
+ emu_status_msg("END OF MOVIE.");\r
lprintf("END OF MOVIE.\n");\r
} else {\r
// MXYZ SACB RLDU\r
saveFname = emu_get_save_fname(load, sram, state_slot);\r
if (saveFname == NULL) {\r
if (!sram)\r
- plat_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r
+ emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r
return -1;\r
}\r
\r
}\r
else ret = -1;\r
if (!ret)\r
- plat_status_msg(load ? "GAME LOADED" : "GAME SAVED");\r
+ emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");\r
else\r
{\r
- plat_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r
+ emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r
ret = -1;\r
}\r
\r
currentConfig.EmuOpt &= ~4;\r
currentConfig.EmuOpt |= 0x40000;\r
is_on = 1;\r
- plat_status_msg("FAST FORWARD");\r
+ emu_status_msg("FAST FORWARD");\r
}\r
else if (!set_on && is_on) {\r
PsndOut = set_PsndOut;\r
\r
static void emu_msg_tray_open(void)\r
{\r
- plat_status_msg("CD tray opened");\r
+ emu_status_msg("CD tray opened");\r
}\r
\r
void emu_reset_game(void)\r
if (pico_inp_mode > 2)\r
pico_inp_mode = 0;\r
switch (pico_inp_mode) {\r
- case 2: plat_status_msg("Input: Pen on Pad"); break;\r
- case 1: plat_status_msg("Input: Pen on Storyware"); break;\r
- case 0: plat_status_msg("Input: Joystick");\r
+ case 2: emu_status_msg("Input: Pen on Pad"); break;\r
+ case 1: emu_status_msg("Input: Pen on Storyware"); break;\r
+ case 0: emu_status_msg("Input: Joystick");\r
PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
break;\r
}\r
PicoPicohw.page--;\r
if (PicoPicohw.page < 0)\r
PicoPicohw.page = 0;\r
- plat_status_msg("Page %i", PicoPicohw.page);\r
+ emu_status_msg("Page %i", PicoPicohw.page);\r
}\r
if (events & PEV_PICO_PNEXT) {\r
PicoPicohw.page++;\r
if (PicoPicohw.page > 6)\r
PicoPicohw.page = 6;\r
- plat_status_msg("Page %i", PicoPicohw.page);\r
+ emu_status_msg("Page %i", PicoPicohw.page);\r
}\r
\r
if (pico_inp_mode == 0)\r
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
state_slot = 0;\r
}\r
\r
- plat_status_msg("SAVE SLOT %i [%s]", state_slot,\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
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
+ pemu_loop_prep();\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
+ 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
+ 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
+ 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
notaz.gp2x.de / libpicofe.git / blobdiff