X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=platform%2Fcommon%2Femu.c;h=b7832bbb2302bbca1390751bf44783c961bca285;hb=0336d6438af039e2108adabb861b041bb0d866ba;hp=723dfb74050e3d8c79a37a3c72353f694f117925;hpb=da42200b24749eee63cccf49d87781b861146e9f;p=picodrive.git

diff --git a/platform/common/emu.c b/platform/common/emu.c
index 723dfb7..b7832bb 100644
--- a/platform/common/emu.c
+++ b/platform/common/emu.c
@@ -26,12 +26,16 @@
 #elif defined(__GIZ__)
  #include "../gizmondo/giz.h"
  #define SCREEN_WIDTH 321
- #define SCREEN_BUFFER giz_screen // ?
+ #define SCREEN_BUFFER giz_screen
+#elif defined(PSP)
+ #include "../psp/psp.h"
+ #define SCREEN_WIDTH 512
+ #define SCREEN_BUFFER psp_screen
 #endif
 
 char *PicoConfigFile = "picoconfig.bin";
 currentConfig_t currentConfig;
-unsigned char *rom_data = NULL;
+int rom_loaded = 0;
 char noticeMsg[64];
 int state_slot = 0;
 int config_slot = 0, config_slot_current = 0;
@@ -133,6 +137,19 @@ 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;
+	for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)
+		if (strstr(name, biosfiles_us[i]) != NULL) return 1;
+	for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)
+		if (strstr(name, biosfiles_eu[i]) != NULL) return 1;
+	for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)
+		if (strstr(name, biosfiles_jp[i]) != NULL) return 1;
+	return 0;
+}
+
 /* checks if romFileName points to valid MegaCD image
  * if so, checks for suitable BIOS */
 int emu_cdCheck(int *pregion)
@@ -176,6 +193,7 @@ int emu_ReloadRom(void)
 {
 	unsigned int rom_size = 0;
 	char *used_rom_name = romFileName;
+	unsigned char *rom_data = NULL;
 	char ext[5];
 	pm_file *rom;
 	int ret, cd_state, cd_region, cfg_loaded = 0;
@@ -185,7 +203,7 @@ int emu_ReloadRom(void)
 	get_ext(romFileName, ext);
 
 	// detect wrong extensions
-	if(!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz
+	if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz
 		sprintf(menuErrorMsg, "Not a ROM selected.");
 		return 0;
 	}
@@ -193,11 +211,11 @@ int emu_ReloadRom(void)
 	PicoPatchUnload();
 
 	// check for movie file
-	if(movie_data) {
+	if (movie_data) {
 		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");
@@ -276,20 +294,17 @@ int emu_ReloadRom(void)
 	}
 
 	rom = pm_open(used_rom_name);
-	if(!rom) {
+	if (!rom) {
 		sprintf(menuErrorMsg, "Failed to open rom.");
 		return 0;
 	}
 
-	menu_romload_prepare(used_rom_name);
+	menu_romload_prepare(used_rom_name); // also CD load
 
-	if(rom_data) {
-		free(rom_data);
-		rom_data = 0;
-		rom_size = 0;
-	}
+	PicoCartUnload();
+	rom_loaded = 0;
 
-	if( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {
+	if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {
 		sprintf(menuErrorMsg, "PicoCartLoad() failed.");
 		lprintf("%s\n", menuErrorMsg);
 		pm_close(rom);
@@ -297,14 +312,13 @@ int emu_ReloadRom(void)
 		return 0;
 	}
 	pm_close(rom);
-	menu_romload_end();
 
 	// detect wrong files (Pico crashes on very small files), also see if ROM EP is good
-	if(rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||
+	if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||
 	  ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {
 		if (rom_data) free(rom_data);
-		rom_data = 0;
 		sprintf(menuErrorMsg, "Not a ROM selected.");
+		menu_romload_end();
 		return 0;
 	}
 
@@ -315,8 +329,9 @@ int emu_ReloadRom(void)
 	}
 
 	lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);
-	if(PicoCartInsert(rom_data, rom_size)) {
+	if (PicoCartInsert(rom_data, rom_size)) {
 		sprintf(menuErrorMsg, "Failed to load ROM.");
+		menu_romload_end();
 		return 0;
 	}
 
@@ -328,13 +343,19 @@ int emu_ReloadRom(void)
 		if (ret != 0) {
 			sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");
 			lprintf("%s\n", menuErrorMsg);
+			menu_romload_end();
 			return 0;
 		}
 	}
 
-	// emu_ReadConfig() might have messed currentConfig.lastRomFile
-	strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);
-	currentConfig.lastRomFile[sizeof(currentConfig.lastRomFile)-1] = 0;
+	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();
@@ -371,9 +392,10 @@ int emu_ReloadRom(void)
 	emu_noticeMsgUpdated();
 
 	// load SRAM for this ROM
-	if(currentConfig.EmuOpt & 1)
+	if (currentConfig.EmuOpt & 1)
 		emu_SaveLoadGame(1, 1);
 
+	rom_loaded = 1;
 	return 1;
 }
 
@@ -444,7 +466,11 @@ int emu_ReadConfig(int game, int no_defaults)
 	//scaling_update();
 	// some sanity checks
 	if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
+#ifdef PSP
+	if (currentConfig.gamma < -4 || currentConfig.gamma >  16) currentConfig.gamma = 0;
+#else
 	if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;
+#endif
 	if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;
 #ifdef __GP2X__
 	// if volume keys are unbound, bind them to volume control