X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=common%2Femu.c;h=a075abdf01620dedc36a65ce7f42c0642f77ddaf;hb=0c9ae59222a6fa9af18dcc072fdfb06cfca124d6;hp=370242dc951feb4ef5c5ca02f192bd5fbe087636;hpb=6c026031a80434cda8499e2208538e0155466d6b;p=libpicofe.git

diff --git a/common/emu.c b/common/emu.c
index 370242d..a075abd 100644
--- a/common/emu.c
+++ b/common/emu.c
@@ -92,6 +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;
@@ -365,7 +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;
@@ -374,15 +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;
 }
@@ -464,25 +504,25 @@ 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.");
@@ -530,8 +570,8 @@ 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) {
@@ -593,8 +633,8 @@ 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);
 	}
 
 	emu_make_path(static_buff, "carthw.cfg", sizeof(static_buff));
@@ -681,29 +721,6 @@ 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);
-}
-
 // <base dir><end>
 void emu_make_path(char *buff, const char *end, int size)
 {
@@ -730,6 +747,28 @@ 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(&currentConfig, &defaultConfig, sizeof(currentConfig));
@@ -738,9 +777,11 @@ 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;
@@ -748,16 +789,16 @@ 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");
@@ -786,7 +827,7 @@ int emu_read_config(int game, int no_defaults)
 		}
 	}
 
-	plat_validate_config();
+	pemu_validate_config();
 
 	// some sanity checks
 #ifdef PSP
@@ -818,7 +859,7 @@ 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);
 	}
 
@@ -918,14 +959,15 @@ char *emu_get_save_fname(int load, int is_sram, int slot)
 	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;
 	}
@@ -939,15 +981,15 @@ 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;
 
@@ -957,7 +999,7 @@ 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;
 		}
@@ -1008,13 +1050,16 @@ 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);
@@ -1092,7 +1137,7 @@ static void emu_tray_close(void)
 
 void emu_32x_startup(void)
 {
-	plat_video_toggle_renderer(0, 1, 0);
+	plat_video_toggle_renderer(0, 0);
 	system_announce();
 }
 
@@ -1188,8 +1233,8 @@ 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];
@@ -1223,9 +1268,9 @@ 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))
 	{
@@ -1323,6 +1368,8 @@ void emu_init(void)
 	mkdir_path(path, pos, "srm");
 	mkdir_path(path, pos, "brm");
 
+	pprof_init();
+
 	make_config_cfg(path);
 	config_readlrom(path);
 
@@ -1349,6 +1396,8 @@ void emu_finish(void)
 #endif
 	}
 
+	pprof_finish();
+
 	PicoExit();
 }
 
@@ -1408,6 +1457,8 @@ void emu_loop(void)
 		unsigned int timestamp;
 		int diff, diff_lim;
 
+		pprof_start(main);
+
 		timestamp = get_ticks();
 		if (reset_timing) {
 			reset_timing = 0;
@@ -1446,6 +1497,7 @@ 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);
@@ -1463,17 +1515,15 @@ 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;
@@ -1498,19 +1548,20 @@ 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|EOPT_EXT_FRMLIMIT)))
@@ -1528,9 +1579,13 @@ 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);