X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=frontend%2Flibretro.c;h=34316850848f171f6587dcebda8d306d1243bdbe;hp=e50580454bfccd1d48be351834e3897b300deb0b;hb=5ca2ec64779fee99d0fc347330a83ae5e982d282;hpb=bcbe4aa4b45d8d37a6a3f1d80b4da1f3beb2be16

diff --git a/frontend/libretro.c b/frontend/libretro.c
index e5058045..34316850 100644
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -41,6 +41,39 @@ int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 };
 int in_keystate;
 int in_enable_vibration;
 
+static void init_memcard(char *mcd_data)
+{
+	unsigned off = 0;
+	unsigned i;
+
+	memset(mcd_data, 0, MCD_SIZE);
+
+	mcd_data[off++] = 'M';
+	mcd_data[off++] = 'C';
+	off += 0x7d;
+	mcd_data[off++] = 0x0e;
+
+	for (i = 0; i < 15; i++) {
+		mcd_data[off++] = 0xa0;
+		off += 0x07;
+		mcd_data[off++] = 0xff;
+		mcd_data[off++] = 0xff;
+		off += 0x75;
+		mcd_data[off++] = 0xa0;
+	}
+
+	for (i = 0; i < 20; i++) {
+		mcd_data[off++] = 0xff;
+		mcd_data[off++] = 0xff;
+		mcd_data[off++] = 0xff;
+		mcd_data[off++] = 0xff;
+		off += 0x04;
+		mcd_data[off++] = 0xff;
+		mcd_data[off++] = 0xff;
+		off += 0x76;
+	}
+}
+
 static int vout_open(void)
 {
 	return 0;
@@ -50,7 +83,7 @@ static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
 {
 }
 
-#ifdef FRONTEND_SUPPORTS_RGB565
+#ifndef FRONTEND_SUPPORTS_RGB565
 static void convert(void *buf, size_t bytes)
 {
 	unsigned int i, v, *p = buf;
@@ -64,6 +97,7 @@ static void convert(void *buf, size_t bytes)
 
 static unsigned game_width;
 static unsigned game_height;
+static unsigned game_fb_dirty;
 
 static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
 {
@@ -95,10 +129,12 @@ static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
 
 out:
 #ifndef FRONTEND_SUPPORTS_RGB565
-   convert(vout_buf, w * h * 2);
+	convert(vout_buf, w * h * 2);
 #endif
-   game_width = w;
-   game_height = h;
+	game_width = w;
+	game_height = h;
+	game_fb_dirty = 1;
+	pl_rearmed_cbs.flip_cnt++;
 }
 
 static void vout_close(void)
@@ -245,7 +281,7 @@ bool retro_load_game(const struct retro_game_info *info)
 #ifdef FRONTEND_SUPPORTS_RGB565
 	enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
 	if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
-		fprintf(stderr, "RGB565 supported, using it\n");
+		SysPrintf("RGB565 supported, using it\n");
 	}
 #endif
 
@@ -258,7 +294,7 @@ bool retro_load_game(const struct retro_game_info *info)
 
 	/* have to reload after set_cd_image for correct cdr plugin */
 	if (LoadPlugins() == -1) {
-		printf("faled to load plugins\n");
+		SysPrintf("failed to load plugins\n");
 		return false;
 	}
 
@@ -266,7 +302,7 @@ bool retro_load_game(const struct retro_game_info *info)
 	NetOpened = 0;
 
 	if (OpenPlugins() == -1) {
-		printf("faled to open plugins\n");
+		SysPrintf("failed to open plugins\n");
 		return false;
 	}
 
@@ -274,14 +310,14 @@ bool retro_load_game(const struct retro_game_info *info)
 
 	Config.PsxAuto = 1;
 	if (CheckCdrom() == -1) {
-		printf("unsupported/invalid CD image: %s\n", info->path);
+		SysPrintf("unsupported/invalid CD image: %s\n", info->path);
 		return false;
 	}
 
 	SysReset();
 
 	if (LoadCdrom() == -1) {
-		printf("could not load CD-ROM!\n");
+		SysPrintf("could not load CD-ROM!\n");
 		return false;
 	}
 	emu_on_new_cd(0);
@@ -356,8 +392,9 @@ void retro_run(void)
 	psxCpu->Execute();
 
 	samples_to_send += 44100 / 60;
-	video_cb(vout_buf, game_width, game_height, game_width * 2);
-	pl_rearmed_cbs.flip_cnt++;
+
+	video_cb(game_fb_dirty ? vout_buf : NULL, game_width, game_height, game_width * 2);
+	game_fb_dirty = 0;
 }
 
 void retro_init(void)
@@ -371,7 +408,7 @@ void retro_init(void)
 	ret = emu_core_preinit();
 	ret |= emu_core_init();
 	if (ret != 0) {
-		printf("PCSX init failed, sorry\n");
+		SysPrintf("PCSX init failed.\n");
 		exit(1);
 	}
 
@@ -391,17 +428,27 @@ void retro_init(void)
 		}
 	}
 	if (f != NULL) {
-		printf("found BIOS file: %s\n", Config.Bios);
+		SysPrintf("found BIOS file: %s\n", Config.Bios);
 		fclose(f);
 	}
 	else
-		printf("no BIOS files found.\n");
+		SysPrintf("no BIOS files found.\n");
 
 	level = 1;
 	environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
 
+	/* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
+	 * we have to do this because cache misses and some IO penalties
+	 * are not emulated. Warning: changing this may break compatibility. */
+#ifdef __ARM_ARCH_7A__
+	cycle_multiplier = 175;
+#else
+	cycle_multiplier = 200;
+#endif
+
 	McdDisable[0] = 0;
 	McdDisable[1] = 1;
+	init_memcard(Mcd1Data);
 }
 
 void retro_deinit(void)