X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=platform%2Fcommon%2Femu.c;h=14cc52aeeea38a5715582d34134b6791c86dcf16;hb=1cb1584b86a5679b8d32ccfc190f6e76c920810f;hp=9d573bf36ce583f98cec4f6c29ab6b24cbe030e6;hpb=c46ffd310f86522e2557e4d19945de5a40350ffc;p=picodrive.git

diff --git a/platform/common/emu.c b/platform/common/emu.c
index 9d573bf..14cc52a 100644
--- a/platform/common/emu.c
+++ b/platform/common/emu.c
@@ -40,6 +40,8 @@ int rom_loaded = 0;
 char noticeMsg[64];
 int state_slot = 0;
 int config_slot = 0, config_slot_current = 0;
+char lastRomFile[512];
+int kb_combo_keys = 0, kb_combo_acts = 0;	// keys and actions which need button combos
 
 unsigned char *movie_data = NULL;
 static int movie_size = 0;
@@ -87,8 +89,8 @@ static void get_ext(char *file, char *ext)
 	strlwr_(ext);
 }
 
-char *biosfiles_us[] = { "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210" };
-char *biosfiles_eu[] = { "eu_mcd2_9306", "eu_mcd2_9303",   "eu_mcd1_9210" };
+char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };
+char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303"   };
 char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };
 
 int emu_findBios(int region, char **bios_file)
@@ -139,6 +141,7 @@ int emu_findBios(int region, char **bios_file)
 }
 
 /* check if the name begins with BIOS name */
+/*
 static int emu_isBios(const char *name)
 {
 	int i;
@@ -150,8 +153,9 @@ static int emu_isBios(const char *name)
 		if (strstr(name, biosfiles_jp[i]) != NULL) return 1;
 	return 0;
 }
+*/
 
-static unsigned char scd_id_header[0x100];
+static unsigned char id_header[0x100];
 
 /* checks if romFileName points to valid MegaCD image
  * if so, checks for suitable BIOS */
@@ -177,7 +181,7 @@ int emu_cdCheck(int *pregion)
 	}
 
 	pm_seek(cd_f, (type == 1) ? 0x100 : 0x110, SEEK_SET);
-	pm_read(scd_id_header, sizeof(scd_id_header), cd_f);
+	pm_read(id_header, sizeof(id_header), cd_f);
 
 	/* it seems we have a CD image here. Try to detect region now.. */
 	pm_seek(cd_f, (type == 1) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);
@@ -229,31 +233,22 @@ static int extract_text(char *dest, unsigned char *src, int len, int swab)
 char *emu_makeRomId(void)
 {
 	static char id_string[3+0x11+0x11+0x30+16];
-	unsigned char *id_header;
-	int pos;
-
-	if (Pico.rom == NULL) {
-		id_string[0] = 0;
-		return id_string;
-	}
+	int pos, swab = 1;
 
 	if (PicoMCD & 1) {
-		id_header = scd_id_header;
 		strcpy(id_string, "CD|");
-	} else {
-		id_header = Pico.rom + 0x100;
-		strcpy(id_string, "MD|");
+		swab = 0;
 	}
+	else strcpy(id_string, "MD|");
 	pos = 3;
 
-	pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, 1); // serial
+	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, 1); // region
+	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, 1); // overseas name
+	pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name
 	id_string[pos] = 0;
 
-	printf("id_string: %s\n", id_string);
 	return id_string;
 }
 
@@ -283,7 +278,8 @@ int emu_ReloadRom(void)
 		free(movie_data);
 		movie_data = 0;
 	}
-	if (!strcmp(ext, ".gmv")) {
+	if (!strcmp(ext, ".gmv"))
+	{
 		// check for both gmv and rom
 		int dummy;
 		FILE *movie_file = fopen(romFileName, "rb");
@@ -336,6 +332,7 @@ int emu_ReloadRom(void)
 	cd_state = emu_cdCheck(&cd_region);
 	if (cd_state > 0)
 	{
+		PicoMCD |= 1;
 		// valid CD image, check for BIOS..
 
 		// we need to have config loaded at this point
@@ -349,10 +346,10 @@ int emu_ReloadRom(void)
 		}
 		if (!emu_findBios(cd_region, &used_rom_name)) {
 			// bios_help() ?
+			PicoMCD &= ~1;
 			return 0;
 		}
 
-		PicoMCD |= 1;
 		get_ext(used_rom_name, ext);
 	}
 	else
@@ -391,6 +388,8 @@ int emu_ReloadRom(void)
 	}
 
 	// load config for this ROM (do this before insert to get correct region)
+	if (!(PicoMCD&1))
+		memcpy(id_header, rom_data + 0x100, sizeof(id_header));
 	if (!cfg_loaded) {
 		ret = emu_ReadConfig(1, 1);
 		if (!ret) emu_ReadConfig(0, 1);
@@ -418,13 +417,6 @@ int emu_ReloadRom(void)
 
 	menu_romload_end();
 
-	if (!emu_isBios(romFileName))
-	{
-		// emu_ReadConfig() might have messed currentConfig.lastRomFile
-		strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);
-		currentConfig.lastRomFile[sizeof(currentConfig.lastRomFile)-1] = 0;
-	}
-
 	if (PicoPatches) {
 		PicoPatchPrepare();
 		PicoPatchApply();
@@ -442,7 +434,7 @@ int emu_ReloadRom(void)
 			} else {
 				PicoRegionOverride = 4;
 			}
-			PicoReset(0);
+			PicoReset();
 			// TODO: bits 6 & 5
 		}
 		movie_data[0x18+30] = 0;
@@ -463,6 +455,8 @@ int emu_ReloadRom(void)
 	if (currentConfig.EmuOpt & 1)
 		emu_SaveLoadGame(1, 1);
 
+	strncpy(lastRomFile, romFileName, sizeof(lastRomFile)-1);
+	lastRomFile[sizeof(lastRomFile)-1] = 0;
 	rom_loaded = 1;
 	return 1;
 }
@@ -487,6 +481,18 @@ static void romfname_ext(char *dst, const char *prefix, const char *ext)
 }
 
 
+static void make_config_cfg(char *cfg)
+{
+	strncpy(cfg, PicoConfigFile, 511);
+	if (config_slot != 0)
+	{
+		char *p = strrchr(cfg, '.');
+		if (p == NULL) p = cfg + strlen(cfg);
+		sprintf(p, ".%i.cfg", config_slot);
+	}
+	cfg[511] = 0;
+}
+
 int emu_ReadConfig(int game, int no_defaults)
 {
 	char cfg[512];
@@ -497,30 +503,38 @@ int emu_ReadConfig(int game, int no_defaults)
 	{
 		if (!no_defaults)
 			emu_setDefaultConfig();
-		strncpy(cfg, PicoConfigFile, 511);
-		if (config_slot != 0)
-		{
-			char *p = strrchr(cfg, '.');
-			if (p == NULL) p = cfg + strlen(cfg);
-			sprintf(p, ".%i.cfg", config_slot);
-		}
-		cfg[511] = 0;
+		make_config_cfg(cfg);
 		ret = config_readsect(cfg, NULL);
 	}
 	else
 	{
-		if (!no_defaults)
-			emu_setDefaultConfig();
+		char *sect = emu_makeRomId();
 
 		// try new .cfg way
 		if (config_slot != 0)
 		     sprintf(cfg, "game.%i.cfg", config_slot);
 		else strcpy(cfg,  "game.cfg");
-		ret = config_readsect(cfg, emu_makeRomId());
+
+		ret = -1;
+		if (config_havesect(cfg, sect))
+		{
+			// read user's config
+			int vol = currentConfig.volume;
+			emu_setDefaultConfig();
+			ret = config_readsect(cfg, sect);
+			currentConfig.volume = vol; // make vol global (bah)
+		}
+		else
+		{
+			// read global config, and apply game_def.cfg on top
+			make_config_cfg(cfg);
+			config_readsect(cfg, NULL);
+			ret = config_readsect("game_def.cfg", sect);
+		}
 
 		if (ret != 0)
 		{
-			// fall back to old
+			// fall back to old game specific cfg
 			char extbuf[16];
 			if (config_slot != 0)
 				sprintf(extbuf, ".%i.pbcfg", config_slot);
@@ -532,7 +546,9 @@ int emu_ReadConfig(int game, int no_defaults)
 				f = fopen(cfg, "rb");
 			}
 			if (f) {
-				int bread = fread(&currentConfig, 1, sizeof(currentConfig), f);
+				int bread;
+				fseek(f, 512, SEEK_SET); // skip unused lrom buffer
+				bread = fread(&currentConfig, 1, sizeof(currentConfig), f);
 				lprintf("emu_ReadConfig: %s %s\n", cfg, bread > 0 ? "(ok)" : "(failed)");
 				fclose(f);
 				ret = 0;
@@ -543,12 +559,12 @@ int emu_ReadConfig(int game, int no_defaults)
 				PsndRate = currentConfig.s_PsndRate;
 				PicoRegionOverride = currentConfig.s_PicoRegion;
 				PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;
-				PicoCDBuffers = currentConfig.s_PicoCDBuffers;
+				// PicoCDBuffers = currentConfig.s_PicoCDBuffers; // ignore in this case
 			}
 		}
 		else
 		{
-			lprintf("loaded cf from game sect\n");
+			lprintf("loaded cfg from sect \"%s\"\n", sect);
 		}
 	}
 
@@ -593,10 +609,12 @@ int emu_WriteConfig(int is_game)
 		     sprintf(cfg, "game.%i.cfg", config_slot);
 		else strcpy(cfg,  "game.cfg");
 		game_sect = emu_makeRomId();
+		lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);
 	}
 
 	lprintf("emu_WriteConfig: %s ", cfg);
 	ret = config_writesect(cfg, game_sect);
+	if (write_lrom) config_writelrom(cfg);
 #ifndef NO_SYNC
 	sync();
 #endif
@@ -654,6 +672,47 @@ void emu_textOut16(int x, int y, const char *text)
 	}
 }
 
+void emu_findKeyBindCombos(void)
+{
+	int act, u;
+
+	// find out which keys and actions are combos
+	kb_combo_keys = kb_combo_acts = 0;
+	for (act = 0; act < 32; act++)
+	{
+		int keyc = 0, keyc2 = 0;
+		if (act == 16 || act == 17) continue; // player2 flag
+		if (act > 17)
+		{
+			for (u = 0; u < 32; u++)
+				if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;
+		}
+		else
+		{
+			for (u = 0; u < 32; u++)
+				if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1
+					(currentConfig.KeyBinds[u] & (1 << act))) keyc++;
+			for (u = 0; u < 32; u++)
+				if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2
+					(currentConfig.KeyBinds[u] & (1 << act))) keyc2++;
+			if (keyc2 > keyc) keyc = keyc2;
+		}
+		if (keyc > 1)
+		{
+			// loop again and mark those keys and actions as combo
+			for (u = 0; u < 32; u++)
+			{
+				if (currentConfig.KeyBinds[u] & (1 << act)) {
+					kb_combo_keys |= 1 << u;
+					kb_combo_acts |= 1 << act;
+				}
+			}
+		}
+	}
+
+	// printf("combo keys/acts: %08x %08x\n", kb_combo_keys, kb_combo_acts);
+}
+
 
 void emu_updateMovie(void)
 {
@@ -879,3 +938,4 @@ int emu_SaveLoadGame(int load, int sram)
 		return ret;
 	}
 }
+