X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=common%2Femu.c;h=f995c1d4bcc006ca2736c0b592e193b3dfe2ae75;hb=ec54eeef35b7f889f140df082aad1c6d3334826e;hp=627c3be285356dcf5d305a83bae0020c47ace5d2;hpb=9efc102f1c8f6e2ebc5412f1b2c45a0c77acad48;p=libpicofe.git
diff --git a/common/emu.c b/common/emu.c
index 627c3be..f995c1d 100644
--- a/common/emu.c
+++ b/common/emu.c
@@ -41,9 +41,11 @@ int pico_pen_x = 320/2, pico_pen_y = 240/2;
int pico_inp_mode = 0;
int engineState = PGS_Menu;
+/* tmp buff to reduce stack usage for plats with small stack */
+static char static_buff[512];
/* TODO: len checking */
-char rom_fname_reload[512] = { 0, };
-char rom_fname_loaded[512] = { 0, };
+char rom_fname_reload[512];
+char rom_fname_loaded[512];
int rom_loaded = 0;
int reset_timing = 0;
static unsigned int notice_msg_time; /* when started showing */
@@ -90,6 +92,36 @@ static void get_ext(const char *file, char *ext)
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;
@@ -113,7 +145,6 @@ static const char * const biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };
static int find_bios(int region, char **bios_file)
{
- static char bios_path[1024];
int i, count;
const char * const *files;
FILE *f = NULL;
@@ -133,26 +164,27 @@ static int find_bios(int region, char **bios_file)
for (i = 0; i < count; i++)
{
- emu_make_path(bios_path, files[i], sizeof(bios_path) - 4);
- strcat(bios_path, ".bin");
- f = fopen(bios_path, "rb");
+ emu_make_path(static_buff, files[i], sizeof(static_buff) - 4);
+ strcat(static_buff, ".bin");
+ f = fopen(static_buff, "rb");
if (f) break;
- bios_path[strlen(bios_path) - 4] = 0;
- strcat(bios_path, ".zip");
- f = fopen(bios_path, "rb");
+ 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", bios_path);
+ lprintf("using bios: %s\n", static_buff);
fclose(f);
- if (bios_file) *bios_file = bios_path;
+ if (bios_file)
+ *bios_file = static_buff;
return 1;
} else {
- sprintf(bios_path, "no %s BIOS files found, read docs",
+ sprintf(static_buff, "no %s BIOS files found, read docs",
region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
- me_update_msg(bios_path);
+ me_update_msg(static_buff);
return 0;
}
}
@@ -363,7 +395,7 @@ static int extract_text(char *dest, const unsigned char *src, int len, int swab)
return p - dest;
}
-static char *emu_make_rom_id(void)
+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;
@@ -372,15 +404,25 @@ static char *emu_make_rom_id(void)
strcpy(id_string, "CD|");
swab = 0;
}
- else strcpy(id_string, "MD|");
+ else if (PicoAHW & PAHW_SMS)
+ strcpy(id_string, "MS|");
+ else strcpy(id_string, "MD|");
pos = 3;
- pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial
- id_string[pos] = '|'; pos++;
- pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region
- id_string[pos] = '|'; pos++;
- pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name
- id_string[pos] = 0;
+ if (!(PicoAHW & PAHW_SMS)) {
+ pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial
+ id_string[pos] = '|'; pos++;
+ pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region
+ id_string[pos] = '|'; pos++;
+ pos += extract_text(id_string + pos, 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;
}
@@ -411,11 +453,14 @@ static void shutdown_MCD(void)
static void system_announce(void)
{
- const char *sys_name, *tv_standard;
+ const char *sys_name, *tv_standard, *extra = "";
int fps;
if (PicoAHW & PAHW_SMS) {
sys_name = "Master System";
+#ifdef NO_SMS
+ extra = " [no support]";
+#endif
} else if (PicoAHW & PAHW_PICO) {
sys_name = "Pico";
} else if (PicoAHW & PAHW_MCD) {
@@ -432,7 +477,7 @@ static void system_announce(void)
tv_standard = Pico.m.pal ? "PAL" : "NTSC";
fps = Pico.m.pal ? 50 : 60;
- emu_status_msg("%s %s / %dFPS", tv_standard, sys_name, fps);
+ emu_status_msg("%s %s / %dFPS%s", tv_standard, sys_name, fps, extra);
}
// note: this function might mangle rom_fname
@@ -462,25 +507,25 @@ int emu_reload_rom(char *rom_fname)
// check for both gmv and rom
int dummy;
FILE *movie_file = fopen(rom_fname, "rb");
- if(!movie_file) {
+ if (!movie_file) {
me_update_msg("Failed to open movie.");
return 0;
}
fseek(movie_file, 0, SEEK_END);
movie_size = ftell(movie_file);
fseek(movie_file, 0, SEEK_SET);
- if(movie_size < 64+3) {
+ if (movie_size < 64+3) {
me_update_msg("Invalid GMV file.");
fclose(movie_file);
return 0;
}
movie_data = malloc(movie_size);
- if(movie_data == NULL) {
+ if (movie_data == NULL) {
me_update_msg("low memory.");
fclose(movie_file);
return 0;
}
- fread(movie_data, 1, movie_size, movie_file);
+ dummy = fread(movie_data, 1, movie_size, movie_file);
fclose(movie_file);
if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
me_update_msg("Invalid GMV file.");
@@ -514,6 +559,9 @@ int emu_reload_rom(char *rom_fname)
shutdown_MCD();
PicoPatchUnload();
+ PicoCartUnload();
+ rom_loaded = 0;
+
PicoAHW = 0;
if (media_type == PM_CD)
@@ -525,8 +573,8 @@ int emu_reload_rom(char *rom_fname)
// valid CD image, check for BIOS..
// we need to have config loaded at this point
- ret = emu_read_config(1, 0);
- if (!ret) emu_read_config(0, 0);
+ ret = emu_read_config(rom_fname, 0);
+ if (!ret) emu_read_config(NULL, 0);
cfg_loaded = 1;
if (PicoRegionOverride) {
@@ -557,9 +605,7 @@ int emu_reload_rom(char *rom_fname)
}
menu_romload_prepare(used_rom_name); // also CD load
-
- PicoCartUnload();
- rom_loaded = 0;
+ used_rom_name = NULL; // uses static_buff
ret = PicoCartLoad(rom, &rom_data, &rom_size, (PicoAHW & PAHW_SMS) ? 1 : 0);
pm_close(rom);
@@ -590,11 +636,12 @@ int emu_reload_rom(char *rom_fname)
if (!(PicoAHW & PAHW_MCD))
memcpy(id_header, rom_data + 0x100, sizeof(id_header));
if (!cfg_loaded) {
- ret = emu_read_config(1, 0);
- if (!ret) emu_read_config(0, 0);
+ ret = emu_read_config(rom_fname, 0);
+ if (!ret) emu_read_config(NULL, 0);
}
- if (PicoCartInsert(rom_data, rom_size)) {
+ emu_make_path(static_buff, "carthw.cfg", sizeof(static_buff));
+ if (PicoCartInsert(rom_data, rom_size, static_buff)) {
me_update_msg("Failed to load ROM.");
goto fail;
}
@@ -677,29 +724,7 @@ int emu_swap_cd(const char *fname)
return 1;
}
-static void romfname_ext(char *dst, const char *prefix, const char *ext)
-{
- char *p;
- int prefix_len = 0;
-
- // make save filename
- p = rom_fname_loaded + strlen(rom_fname_loaded) - 1;
- for (; p >= rom_fname_loaded && *p != PATH_SEP_C; p--); p++;
- *dst = 0;
- if (prefix) {
- int len = plat_get_root_dir(dst, 512);
- strcpy(dst + len, prefix);
- prefix_len = len + strlen(prefix);
- }
-#ifdef UIQ3
- else p = rom_fname_loaded; // backward compatibility
-#endif
- strncpy(dst + prefix_len, p, 511-prefix_len);
- dst[511-8] = 0;
- if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;
- if (ext) strcat(dst, ext);
-}
-
+//
void emu_make_path(char *buff, const char *end, int size)
{
int pos, end_len;
@@ -725,6 +750,28 @@ static void make_config_cfg(char *cfg_buff_512)
cfg_buff_512[511] = 0;
}
+void emu_prep_defconfig(void)
+{
+ memset(&defaultConfig, 0, sizeof(defaultConfig));
+ defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|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_SVP_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.volume = 50;
+ defaultConfig.gamma = 100;
+ defaultConfig.scaling = 0;
+ defaultConfig.turbo_rate = 15;
+
+ // platform specific overrides
+ pemu_prep_defconfig();
+}
+
void emu_set_defconfig(void)
{
memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));
@@ -733,9 +780,11 @@ void emu_set_defconfig(void)
PicoRegionOverride = currentConfig.s_PicoRegion;
PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
PicoCDBuffers = currentConfig.s_PicoCDBuffers;
+ p32x_msh2_multiplier = MSH2_MULTI_DEFAULT;
+ p32x_ssh2_multiplier = SSH2_MULTI_DEFAULT;
}
-int emu_read_config(int game, int no_defaults)
+int emu_read_config(const char *rom_fname, int no_defaults)
{
char cfg[512];
int ret;
@@ -743,16 +792,16 @@ int emu_read_config(int game, int no_defaults)
if (!no_defaults)
emu_set_defconfig();
- if (!game)
+ if (rom_fname == NULL)
{
+ // global config
make_config_cfg(cfg);
ret = config_readsect(cfg, NULL);
}
else
{
- char *sect = emu_make_rom_id();
+ char *sect = emu_make_rom_id(rom_fname);
- // try new .cfg way
if (config_slot != 0)
sprintf(cfg, "game.%i.cfg", config_slot);
else strcpy(cfg, "game.cfg");
@@ -781,7 +830,7 @@ int emu_read_config(int game, int no_defaults)
}
}
- plat_validate_config();
+ pemu_validate_config();
// some sanity checks
#ifdef PSP
@@ -813,7 +862,7 @@ int emu_write_config(int is_game)
if (config_slot != 0)
sprintf(cfg, "game.%i.cfg", config_slot);
else strcpy(cfg, "game.cfg");
- game_sect = emu_make_rom_id();
+ game_sect = emu_make_rom_id(rom_fname_loaded);
lprintf("emu_write_config: sect \"%s\"\n", game_sect);
}
@@ -907,20 +956,21 @@ static int try_ropen_file(const char *fname)
char *emu_get_save_fname(int load, int is_sram, int slot)
{
- static char saveFname[512];
+ char *saveFname = static_buff;
char ext[16];
if (is_sram)
{
strcpy(ext, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");
- romfname_ext(saveFname, (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);
+ romfname_ext(saveFname, sizeof(static_buff),
+ (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);
if (!load)
return saveFname;
if (try_ropen_file(saveFname))
return saveFname;
- romfname_ext(saveFname, NULL, ext);
+ romfname_ext(saveFname, sizeof(static_buff), NULL, ext);
if (try_ropen_file(saveFname))
return saveFname;
}
@@ -934,15 +984,15 @@ char *emu_get_save_fname(int load, int is_sram, int slot)
strcat(ext, ext_main);
if (!load) {
- romfname_ext(saveFname, "mds" PATH_SEP, ext);
+ romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);
return saveFname;
}
else {
- romfname_ext(saveFname, "mds" PATH_SEP, ext);
+ romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);
if (try_ropen_file(saveFname))
return saveFname;
- romfname_ext(saveFname, NULL, ext);
+ romfname_ext(saveFname, sizeof(static_buff), NULL, ext);
if (try_ropen_file(saveFname))
return saveFname;
@@ -952,7 +1002,7 @@ char *emu_get_save_fname(int load, int is_sram, int slot)
sprintf(ext, ".%i", slot);
strcat(ext, ext_othr);
- romfname_ext(saveFname, "mds"PATH_SEP, ext);
+ romfname_ext(saveFname, sizeof(static_buff), "mds"PATH_SEP, ext);
if (try_ropen_file(saveFname))
return saveFname;
}
@@ -1003,13 +1053,16 @@ int emu_save_load_game(int load, int sram)
sram_size = SRam.size;
sram_data = SRam.data;
}
- if (!sram_data) return 0; // SRam forcefully disabled for this game
+ if (sram_data == NULL)
+ return 0; // SRam forcefully disabled for this game
if (load)
{
sramFile = fopen(saveFname, "rb");
- if(!sramFile) return -1;
- fread(sram_data, 1, sram_size, sramFile);
+ if (!sramFile)
+ return -1;
+ ret = fread(sram_data, 1, sram_size, sramFile);
+ ret = ret > 0 ? 0 : -1;
fclose(sramFile);
if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))
memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);
@@ -1087,8 +1140,11 @@ static void emu_tray_close(void)
void emu_32x_startup(void)
{
- plat_video_toggle_renderer(0, 1, 0);
+ plat_video_toggle_renderer(0, 0); // HACK
system_announce();
+
+ // force mode change event
+ rendstatus_old = -1;
}
void emu_reset_game(void)
@@ -1183,8 +1239,8 @@ static void run_events_ui(unsigned int which)
{
int do_it = 1;
if ( emu_check_save_file(state_slot) &&
- (((which & PEV_STATE_LOAD) && (currentConfig.EmuOpt & EOPT_CONFIRM_LOAD)) ||
- ((which & PEV_STATE_SAVE) && (currentConfig.EmuOpt & EOPT_CONFIRM_SAVE))) )
+ (((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];
@@ -1218,9 +1274,9 @@ static void run_events_ui(unsigned int which)
PicoStateProgressCB = NULL;
}
}
- if ((which & PEV_SWITCH_RND) && !(PicoAHW & PAHW_32X))
+ if (which & PEV_SWITCH_RND)
{
- plat_video_toggle_renderer(1, 0, 0);
+ plat_video_toggle_renderer(1, 0);
}
if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))
{
@@ -1299,12 +1355,27 @@ 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");
+ pprof_init();
+
make_config_cfg(path);
config_readlrom(path);
@@ -1331,6 +1402,8 @@ void emu_finish(void)
#endif
}
+ pprof_finish();
+
PicoExit();
}
@@ -1361,6 +1434,14 @@ void emu_loop(void)
Pico.m.dirtyPal = 1;
rendstatus_old = -1;
+ PicoLoopPrepare();
+
+ // prepare CD buffer
+ if (PicoAHW & PAHW_MCD)
+ PicoCDBufferInit();
+
+ pemu_loop_prep();
+
/* number of ticks per frame */
if (Pico.m.pal) {
target_fps = 50;
@@ -1370,12 +1451,6 @@ void emu_loop(void)
target_frametime = ms_to_ticks(1000) / 60 + 1;
}
- // prepare CD buffer
- if (PicoAHW & PAHW_MCD)
- PicoCDBufferInit();
-
- pemu_loop_prep();
-
timestamp_fps = get_ticks();
reset_timing = 1;
@@ -1389,6 +1464,8 @@ void emu_loop(void)
unsigned int timestamp;
int diff, diff_lim;
+ pprof_start(main);
+
timestamp = get_ticks();
if (reset_timing) {
reset_timing = 0;
@@ -1427,6 +1504,7 @@ void emu_loop(void)
}
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) {
sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);
@@ -1444,17 +1522,15 @@ void emu_loop(void)
{
if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && currentConfig.Frameskip >= 0)
pframes_done = 0;
- else {
+ else
pframes_done -= target_fps;
- /* don't allow it to drift during heavy slowdowns */
- if (pframes_done < -5) {
- reset_timing = 1;
- continue;
- }
- if (pframes_done < -2)
- pframes_done = -2;
+ if (pframes_done < -2) {
+ /* don't drag more than 2 frames behind */
+ pframes_done = -2;
+ timestamp_base = timestamp - 2 * target_frametime;
}
- timestamp_base += ms_to_ticks(1000);
+ else
+ timestamp_base += ms_to_ticks(1000);
}
diff = timestamp - timestamp_base;
@@ -1468,7 +1544,7 @@ void emu_loop(void)
pframes_done++; frames_done++;
diff_lim += target_frametime;
- if (!(currentConfig.EmuOpt & EOPT_NO_FRMLIMIT)) {
+ if (!(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT))) {
timestamp = get_ticks();
diff = timestamp - timestamp_base;
if (!reset_timing && diff < diff_lim) // we are too fast
@@ -1479,22 +1555,23 @@ void emu_loop(void)
else if (diff > diff_lim)
{
/* no time left for this frame - skip */
- if (diff - diff_lim >= ms_to_ticks(200)) {
- /* if too much behind, reset instead */
- reset_timing = 1;
+ /* limit auto frameskip to 8 */
+ if (frames_done / 8 <= frames_shown) {
+ emu_update_input();
+ skip_frame(diff < diff_lim + target_frametime * 16);
+ pframes_done++; frames_done++;
continue;
}
- emu_update_input();
- skip_frame(diff < diff_lim + target_frametime * 2);
- pframes_done++; frames_done++;
- continue;
}
emu_update_input();
PicoFrame();
+ pemu_finalize_frame(fpsbuff, notice_msg);
+
+ // plat_video_flip();
/* frame limiter */
- if (!reset_timing && !(currentConfig.EmuOpt & EOPT_NO_FRMLIMIT))
+ if (!reset_timing && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))
{
timestamp = get_ticks();
diff = timestamp - timestamp_base;
@@ -1509,9 +1586,13 @@ void emu_loop(void)
}
}
- pemu_update_display(fpsbuff, notice_msg);
+ // XXX: for some plats it might be better to flip before vsync
+ // (due to shadow registers in display hw)
+ plat_video_flip();
pframes_done++; frames_done++; frames_shown++;
+
+ pprof_end(main);
}
emu_set_fastforward(0);