X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=gp2x%2Femu.c;h=36408f4807709023337f30c347e8f4889ca06e9e;hb=e5d315a58516483a2e8a0f61c3bb166784029e75;hp=49291eca31edff91a1b981a55fa1783d85081a49;hpb=8dfb9fd5df1ccef9f8aba43cfed8be82c822f512;p=libpicofe.git

diff --git a/gp2x/emu.c b/gp2x/emu.c
index 49291ec..36408f4 100644
--- a/gp2x/emu.c
+++ b/gp2x/emu.c
@@ -48,6 +48,7 @@ unsigned char *rom_data = NULL;
 
 extern int crashed_940;
 
+static short sndBuffer[2*44100/50];
 static char noticeMsg[64];					// notice msg to draw
 static struct timeval noticeMsgTime = { 0, 0 };	// when started showing
 static int reset_timing, osd_fps_x;
@@ -187,11 +188,11 @@ static int cd_check(char *ext, char **bios_file)
 	}
 
 	/* it seems we have a CD image here. Try to detect region and load a suitable BIOS now.. */
-	fseek(cd_f, (type == 1) ? 0x100 : 0x110, SEEK_SET);
+	fseek(cd_f, (type == 1) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);
 	fread(buf, 1, 1, cd_f);
 	fclose(cd_f);
 
-	if (buf[0] == 0x64) region = 4; // EU
+	if (buf[0] == 0x64) region = 8; // EU
 	if (buf[0] == 0xa1) region = 1; // JAP
 
 	printf("detected %s Sega/Mega CD image with %s region\n",
@@ -276,6 +277,7 @@ int emu_ReloadRom(void)
 		// bios_help() ?
 		return 0;
 	} else {
+		if (PicoMCD & 1) PicoExitMCD();
 		PicoMCD &= ~1;
 	}
 
@@ -374,7 +376,7 @@ int emu_ReloadRom(void)
 		}
 	}
 	gettimeofday(&noticeMsgTime, 0);
-printf("PicoMCD: %x\n", PicoMCD);
+
 	// load SRAM for this ROM
 	if(currentConfig.EmuOpt & 1)
 		emu_SaveLoadGame(1, 1);
@@ -452,10 +454,11 @@ int emu_ReadConfig(int game)
 		// set default config
 		memset(&currentConfig, 0, sizeof(currentConfig));
 		currentConfig.lastRomFile[0] = 0;
-		currentConfig.EmuOpt  = 0x1f;
-		currentConfig.PicoOpt = 0x0f;
-		currentConfig.PsndRate = 22050;
+		currentConfig.EmuOpt  = 0x1f | 0x400; // | cd_leds
+		currentConfig.PicoOpt = 0x0f | 0xe00; // | use_940 | cd_pcm | cd_cdda
+		currentConfig.PsndRate = 22050; // 44100;
 		currentConfig.PicoRegion = 0; // auto
+		currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP
 		currentConfig.Frameskip = -1; // auto
 		currentConfig.CPUclock = 200;
 		currentConfig.volume = 50;
@@ -490,6 +493,7 @@ int emu_ReadConfig(int game)
 	PicoOpt = currentConfig.PicoOpt;
 	PsndRate = currentConfig.PsndRate;
 	PicoRegionOverride = currentConfig.PicoRegion;
+	PicoAutoRgnOrder = currentConfig.PicoAutoRgnOrder;
 	if (PicoOpt & 0x20) {
 		actionNames[ 8] = "Z"; actionNames[ 9] = "Y";
 		actionNames[10] = "X"; actionNames[11] = "MODE";
@@ -527,6 +531,7 @@ int emu_WriteConfig(int game)
 		currentConfig.PicoOpt = PicoOpt;
 		currentConfig.PsndRate = PsndRate;
 		currentConfig.PicoRegion = PicoRegionOverride;
+		currentConfig.PicoAutoRgnOrder = PicoAutoRgnOrder;
 		bwrite = fwrite(&currentConfig, 1, sizeof(currentConfig), f);
 		fflush(f);
 		fclose(f);
@@ -596,20 +601,20 @@ static void cd_leds(void)
 		// 8-bit modes
 		unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;
 		unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;
-		*(unsigned int *)((char *)gp2x_screen + 320*2+306) =
-		*(unsigned int *)((char *)gp2x_screen + 320*3+306) =
-		*(unsigned int *)((char *)gp2x_screen + 320*4+306) = col_g;
-		*(unsigned int *)((char *)gp2x_screen + 320*2+312) =
-		*(unsigned int *)((char *)gp2x_screen + 320*3+312) =
-		*(unsigned int *)((char *)gp2x_screen + 320*4+312) = col_r;
+		*(unsigned int *)((char *)gp2x_screen + 320*2+ 4) =
+		*(unsigned int *)((char *)gp2x_screen + 320*3+ 4) =
+		*(unsigned int *)((char *)gp2x_screen + 320*4+ 4) = col_g;
+		*(unsigned int *)((char *)gp2x_screen + 320*2+12) =
+		*(unsigned int *)((char *)gp2x_screen + 320*3+12) =
+		*(unsigned int *)((char *)gp2x_screen + 320*4+12) = col_r;
 	} else {
 		// 16-bit modes
-		unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+306);
+		unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+4);
 		unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;
 		unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;
-		*p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2;
-		*p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2;
-		*p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2;
+		*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;
+		*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;
+		*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;
 	}
 }
 
@@ -629,7 +634,7 @@ static int EmuScan8(unsigned int num, void *sdata)
 	return 0;
 }
 
-static int localPal[0x100];
+int localPal[0x100];
 static void (*vidCpyM2)(void *dest, void *src) = NULL;
 
 static void blit(char *fps, char *notice)
@@ -923,24 +928,10 @@ static void updateKeys(void)
 	prevEvents = (allActions[0] | allActions[1]) >> 16;
 }
 
-static int snd_excess_add = 0, snd_excess_cnt = 0; // hack
 
-static void updateSound(void)
+static void updateSound(int len)
 {
-	int len = (PicoOpt&8)?PsndLen*2:PsndLen;
-
-	snd_excess_cnt += snd_excess_add;
-	if (snd_excess_cnt >= 0x10000) {
-		snd_excess_cnt -= 0x10000;
-		if (PicoOpt&8) {
-			PsndOut[len]   = PsndOut[len-2];
-			PsndOut[len+1] = PsndOut[len-1];
-			len+=2;
-		} else {
-			PsndOut[len]   = PsndOut[len-1];
-			len++;
-		}
-	}
+	if (PicoOpt&8) len<<=1;
 
 	gp2x_sound_write(PsndOut, len<<1);
 }
@@ -1010,6 +1001,7 @@ void emu_Loop(void)
 
 	// make sure we are in correct mode
 	vidResetMode();
+	Pico.m.dirtyPal = 1;
 	oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;
 	find_combos();
 
@@ -1020,22 +1012,23 @@ void emu_Loop(void)
 
 	// prepare sound stuff
 	if(currentConfig.EmuOpt & 4) {
+		int snd_excess_add;
 		if(PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old || crashed_940) {
 			/* if 940 is turned off, we need it to be put back to sleep */
 			if (!(PicoOpt&0x200) && ((PicoOpt^PicoOpt_old)&0x200)) {
 				Reset940(1, 2);
 				Pause940(1);
 			}
-			sound_rerate();
+			sound_rerate(1);
 		}
 		//excess_samples = PsndRate - PsndLen*target_fps;
-		snd_excess_cnt = 0;
 		snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;
 		printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n", PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);
 		gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);
 		gp2x_sound_volume(currentConfig.volume, currentConfig.volume);
 		PicoWriteSound = updateSound;
-		PsndOut = calloc((PicoOpt&8) ? (PsndLen*4+4) : (PsndLen*2+2), 1);
+		memset(sndBuffer, 0, sizeof(sndBuffer));
+		PsndOut = sndBuffer;
 		PsndRate_old = PsndRate;
 		PsndLen_real = PsndLen;
 		PicoOpt_old  = PicoOpt;
@@ -1231,13 +1224,17 @@ if (Pico.m.frame_count == 31563) {
 
 	// save SRAM
 	if((currentConfig.EmuOpt & 1) && SRam.changed) {
+		blit("", "Writing SRAM/BRAM..");
 		emu_SaveLoadGame(0, 1);
 		SRam.changed = 0;
 	}
 
-	if (PsndOut != 0) {
-		free(PsndOut);
-		PsndOut = 0;
+	// if in 16bit mode, generate 8it image for menu background
+	if (!(PicoOpt&0x10) && (currentConfig.EmuOpt&0x80)) {
+		PicoOpt |= 0x10;
+		PicoFrameFull();
+		blit("", NULL); blit("", NULL); blit("", NULL); blit("", NULL); // be sure buffer3 gets updated
+		PicoOpt &= ~0x10;
 	}
 }
 
@@ -1260,7 +1257,6 @@ size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)
 	return gzwrite(file, p, _n);
 }
 
-typedef unsigned int (*STATE_SL_FUNC)(void *, unsigned int, unsigned int, void *);
 
 int emu_SaveLoadGame(int load, int sram)
 {
@@ -1321,26 +1317,34 @@ int emu_SaveLoadGame(int load, int sram)
 			if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {
 				areaRead  = gzRead2;
 				areaWrite = gzWrite2;
+				areaEof   = (areaeof *) gzeof;
+				areaSeek  = (areaseek *) gzseek;
 				if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);
 			} else
 				saveFname[strlen(saveFname)-3] = 0;
 		}
 		if(!PmovFile) { // gzip failed or was disabled
 			if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {
-				areaRead  = (STATE_SL_FUNC) fread;
-				areaWrite = (STATE_SL_FUNC) fwrite;
+				areaRead  = (arearw *) fread;
+				areaWrite = (arearw *) fwrite;
+				areaEof   = (areaeof *) feof;
+				areaSeek  = (areaseek *) fseek;
 			}
 		}
 		if(PmovFile) {
-			PmovState(load ? 6 : 5, PmovFile);
-			strcpy(noticeMsg, load ? "GAME LOADED  " : "GAME SAVED   ");
+			ret = PmovState(load ? 6 : 5, PmovFile);
 			if(areaRead == gzRead2)
 				 gzclose(PmovFile);
 			else fclose ((FILE *) PmovFile);
 			PmovFile = 0;
 			if (!load) sync();
 			else Pico.m.dirtyPal=1;
-		} else {
+		}
+		else	ret = -1;
+		if (!ret)
+			strcpy(noticeMsg, load ? "GAME LOADED  " : "GAME SAVED   ");
+		else
+		{
 			strcpy(noticeMsg, load ? "LOAD FAILED  " : "SAVE FAILED  ");
 			ret = -1;
 		}