X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=platform%2Flibretro.c;h=f3252ab5623343cdc0ee5845d5e7454ca5ebb818;hb=33afcf94ba054621a1f9cbe8149f5786461f7df5;hp=c02b2061d508265380e549ffdb82e58f8e277fc2;hpb=e4455c234287e0324b8a79b9e9578c9aa09a25f9;p=picodrive.git

diff --git a/platform/libretro.c b/platform/libretro.c
index c02b206..f3252ab 100644
--- a/platform/libretro.c
+++ b/platform/libretro.c
@@ -28,10 +28,6 @@
 #include "common/version.h"
 #include "libretro.h"
 
-#ifndef MAP_ANONYMOUS
-#define MAP_ANONYMOUS MAP_ANON
-#endif
-
 static retro_video_refresh_t video_cb;
 static retro_input_poll_t input_poll_cb;
 static retro_input_state_t input_state_cb;
@@ -167,6 +163,11 @@ static void munmap(void *addr, size_t length)
 	/* ruh-ro, we leaked handle from CreateFileMapping() ... */
 }
 #endif
+
+#ifndef MAP_ANONYMOUS
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+
 void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
 {
    int flags = MAP_PRIVATE | MAP_ANONYMOUS;
@@ -289,6 +290,13 @@ void retro_set_environment(retro_environment_t cb)
 {
 	static const struct retro_variable vars[] = {
 		//{ "region", "Region; Auto|NTSC|PAL" },
+		{ "picodrive_input1", "Input device 1; 3 button pad|6 button pad|None" },
+		{ "picodrive_input2", "Input device 2; 3 button pad|6 button pad|None" },
+		{ "picodrive_sprlim", "No sprite limit; disabled|enabled" },
+		{ "picodrive_ramcart", "MegaCD RAM cart; disabled|enabled" },
+#ifdef DRC_SH2
+		{ "picodrive_drc", "Dynamic recompilers; enabled|disabled" },
+#endif
 		{ NULL, NULL },
 	};
 
@@ -579,13 +587,13 @@ static void disk_tray_close(void)
 
 
 static const char * const biosfiles_us[] = {
-	"us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303", "bios_CD_U"
+	"us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210", "bios_CD_U"
 };
 static const char * const biosfiles_eu[] = {
-	"eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303", "bios_CD_E"
+	"eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210", "bios_CD_E"
 };
 static const char * const biosfiles_jp[] = {
-	"jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J"
+	"jp_mcd2_921222", "jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J"
 };
 
 static void make_system_path(char *buf, size_t buf_size,
@@ -651,7 +659,7 @@ bool retro_load_game(const struct retro_game_info *info)
 
 	enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
 	if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
-		lprintf("RGB565 suppot required, sorry\n");
+		lprintf("RGB565 support required, sorry\n");
 		return false;
 	}
 
@@ -698,7 +706,7 @@ bool retro_load_game(const struct retro_game_info *info)
 	PicoWriteSound = snd_write;
 	memset(sndBuffer, 0, sizeof(sndBuffer));
 	PsndOut = sndBuffer;
-	PsndRerate(1);
+	PsndRerate(0);
 
 	return true;
 }
@@ -766,13 +774,70 @@ static void snd_write(int len)
 	audio_batch_cb(PsndOut, len / 4);
 }
 
+static enum input_device input_name_to_val(const char *name)
+{
+	if (strcmp(name, "3 button pad") == 0)
+		return PICO_INPUT_PAD_3BTN;
+	if (strcmp(name, "6 button pad") == 0)
+		return PICO_INPUT_PAD_6BTN;
+	if (strcmp(name, "None") == 0)
+		return PICO_INPUT_NOTHING;
+
+	lprintf("invalid picodrive_input: '%s'\n", name);
+	return PICO_INPUT_PAD_3BTN;
+}
+
+static void update_variables(void)
+{
+	struct retro_variable var;
+
+	var.value = NULL;
+	var.key = "picodrive_input1";
+	if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+		PicoSetInputDevice(0, input_name_to_val(var.value));
+
+	var.value = NULL;
+	var.key = "picodrive_input2";
+	if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+		PicoSetInputDevice(1, input_name_to_val(var.value));
+
+	var.value = NULL;
+	var.key = "picodrive_sprlim";
+	if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+		if (strcmp(var.value, "enabled") == 0)
+			PicoOpt |= POPT_DIS_SPRITE_LIM;
+		else
+			PicoOpt &= ~POPT_DIS_SPRITE_LIM;
+	}
+
+	var.value = NULL;
+	var.key = "picodrive_ramcart";
+	if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+		if (strcmp(var.value, "enabled") == 0)
+			PicoOpt |= POPT_EN_MCD_RAMCART;
+		else
+			PicoOpt &= ~POPT_EN_MCD_RAMCART;
+	}
+
+#ifdef DRC_SH2
+	var.value = NULL;
+	var.key = "picodrive_drc";
+	if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+		if (strcmp(var.value, "enabled") == 0)
+			PicoOpt |= POPT_EN_DRC;
+		else
+			PicoOpt &= ~POPT_EN_DRC;
+	}
+#endif
+}
+
 void retro_run(void) 
 {
 	bool updated = false;
 	int pad, i;
 
 	if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
-		; //update_variables(true);
+		update_variables();
 
 	input_poll_cb();
 
@@ -809,7 +874,7 @@ void retro_init(void)
 		| POPT_EN_32X|POPT_EN_PWM
 		| POPT_ACC_SPRITES|POPT_DIS_32C_BORDER;
 #ifdef __arm__
-	PicoOpt |= POPT_EN_SVP_DRC;
+	PicoOpt |= POPT_EN_DRC;
 #endif
 	PsndRate = 44100;
 	PicoAutoRgnOrder = 0x184; // US, EU, JP
@@ -826,6 +891,8 @@ void retro_init(void)
 	//PicoMessage = plat_status_msg_busy_next;
 	PicoMCDopenTray = disk_tray_open;
 	PicoMCDcloseTray = disk_tray_close;
+
+	update_variables();
 }
 
 void retro_deinit(void)