X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=common%2Femu.c;h=e4cce672d70f188718d329d10a8e365025306132;hb=30d5518a0b02afafea4ced92f991838b031d0aad;hp=936665b5a0d2c94d39a0651b5b48d65bf92bc54e;hpb=367b6f1f939dcd7930d372aee0ca900b0b8790b1;p=libpicofe.git

diff --git a/common/emu.c b/common/emu.c
index 936665b..e4cce67 100644
--- a/common/emu.c
+++ b/common/emu.c
@@ -41,6 +41,7 @@ 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;
@@ -88,8 +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)
@@ -232,18 +233,20 @@ 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];
-	int pos;
+	int pos, swab = 1;
 
-	if (PicoMCD & 1)
-	     strcpy(id_string, "CD|");
+	if (PicoAHW & PAHW_MCD) {
+		strcpy(id_string, "CD|");
+		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;
 
 	return id_string;
@@ -275,7 +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");
@@ -321,13 +325,14 @@ int emu_ReloadRom(void)
 		get_ext(romFileName, ext);
 	}
 
-	if ((PicoMCD & 1) && Pico_mcd != NULL)
+	if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)
 		Stop_CD();
 
 	// check for MegaCD image
 	cd_state = emu_cdCheck(&cd_region);
 	if (cd_state > 0)
 	{
+		PicoAHW |= PAHW_MCD;
 		// valid CD image, check for BIOS..
 
 		// we need to have config loaded at this point
@@ -341,16 +346,16 @@ int emu_ReloadRom(void)
 		}
 		if (!emu_findBios(cd_region, &used_rom_name)) {
 			// bios_help() ?
+			PicoAHW &= ~PAHW_MCD;
 			return 0;
 		}
 
-		PicoMCD |= 1;
 		get_ext(used_rom_name, ext);
 	}
 	else
 	{
-		if (PicoMCD & 1) Stop_CD();
-		PicoMCD &= ~1;
+		if (PicoAHW & PAHW_MCD) Stop_CD();
+		PicoAHW &= ~PAHW_MCD;
 	}
 
 	rom = pm_open(used_rom_name);
@@ -383,7 +388,7 @@ int emu_ReloadRom(void)
 	}
 
 	// load config for this ROM (do this before insert to get correct region)
-	if (!(PicoMCD&1))
+	if (!(PicoAHW & PAHW_MCD))
 		memcpy(id_header, rom_data + 0x100, sizeof(id_header));
 	if (!cfg_loaded) {
 		ret = emu_ReadConfig(1, 1);
@@ -420,16 +425,16 @@ int emu_ReloadRom(void)
 	// additional movie stuff
 	if (movie_data) {
 		if(movie_data[0x14] == '6')
-		     PicoOpt |=  0x20; // 6 button pad
-		else PicoOpt &= ~0x20;
-		PicoOpt |= 0x10040; // accurate timing, no VDP fifo timing
+		     PicoOpt |=  POPT_6BTN_PAD; // 6 button pad
+		else PicoOpt &= ~POPT_6BTN_PAD;
+		PicoOpt |= POPT_DIS_VDP_FIFO|POPT_ACC_TIMING; // accurate timing, no VDP fifo timing
 		if(movie_data[0xF] >= 'A') {
 			if(movie_data[0x16] & 0x80) {
 				PicoRegionOverride = 8;
 			} else {
 				PicoRegionOverride = 4;
 			}
-			PicoReset(0);
+			PicoReset();
 			// TODO: bits 6 & 5
 		}
 		movie_data[0x18+30] = 0;
@@ -437,7 +442,7 @@ int emu_ReloadRom(void)
 	}
 	else
 	{
-		PicoOpt &= ~0x10000;
+		PicoOpt &= ~POPT_DIS_VDP_FIFO;
 		if(Pico.m.pal) {
 			strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");
 		} else {
@@ -476,6 +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];
@@ -486,14 +503,7 @@ 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
@@ -506,14 +516,25 @@ int emu_ReadConfig(int game, int no_defaults)
 		else strcpy(cfg,  "game.cfg");
 
 		ret = -1;
-		if (config_havesect(cfg, sect)) {
+		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);
@@ -538,7 +559,7 @@ 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
@@ -651,6 +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)
 {
@@ -711,11 +773,11 @@ char *emu_GetSaveFName(int load, int is_sram, int slot)
 
 	if (is_sram)
 	{
-		romfname_ext(saveFname, (PicoMCD&1) ? "brm/" : "srm/", (PicoMCD&1) ? ".brm" : ".srm");
+		romfname_ext(saveFname, (PicoAHW&1) ? "brm/" : "srm/", (PicoAHW&1) ? ".brm" : ".srm");
 		if (load) {
 			if (try_ropen_file(saveFname)) return saveFname;
 			// try in current dir..
-			romfname_ext(saveFname, NULL, (PicoMCD&1) ? ".brm" : ".srm");
+			romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");
 			if (try_ropen_file(saveFname)) return saveFname;
 			return NULL; // give up
 		}
@@ -793,8 +855,9 @@ int emu_SaveLoadGame(int load, int sram)
 		int sram_size;
 		unsigned char *sram_data;
 		int truncate = 1;
-		if (PicoMCD&1) {
-			if (PicoOpt&0x8000) { // MCD RAM cart?
+		if (PicoAHW & PAHW_MCD)
+		{
+			if (PicoOpt&POPT_EN_MCD_RAMCART) {
 				sram_size = 0x12000;
 				sram_data = SRam.data;
 				if (sram_data)
@@ -811,12 +874,13 @@ int emu_SaveLoadGame(int load, int sram)
 		}
 		if (!sram_data) return 0; // SRam forcefully disabled for this game
 
-		if (load) {
+		if (load)
+		{
 			sramFile = fopen(saveFname, "rb");
 			if(!sramFile) return -1;
 			fread(sram_data, 1, sram_size, sramFile);
 			fclose(sramFile);
-			if ((PicoMCD&1) && (PicoOpt&0x8000))
+			if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))
 				memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);
 		} else {
 			// sram save needs some special processing
@@ -876,3 +940,4 @@ int emu_SaveLoadGame(int load, int sram)
 		return ret;
 	}
 }
+