X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=platform%2Flibretro%2Flibretro.c;h=10af66373d481ee7dff1ef4fbc189c683e028f0d;hb=24a7ff72233aaf09dfdaa2f11c5c2bbcab236195;hp=057cd525d4b24d33c8982ed0bb8c25c35ffd5dbf;hpb=a1f2e1b1537146ec7b72b1e9d5d5cd4d8dd6f06e;p=picodrive.git

diff --git a/platform/libretro/libretro.c b/platform/libretro/libretro.c
index 057cd52..10af663 100644
--- a/platform/libretro/libretro.c
+++ b/platform/libretro/libretro.c
@@ -314,6 +314,7 @@ void retro_set_environment(retro_environment_t cb)
 		{ "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" },
+		{ "picodrive_region", "Region; Auto|Japan NTSC|Japan PAL|US|Europe" },
 #ifdef DRC_SH2
 		{ "picodrive_drc", "Dynamic recompilers; enabled|disabled" },
 #endif
@@ -358,7 +359,7 @@ void retro_get_system_av_info(struct retro_system_av_info *info)
 	info->geometry.base_height  = vout_height;
 	info->geometry.max_width    = VOUT_MAX_WIDTH;
 	info->geometry.max_height   = VOUT_MAX_HEIGHT;
-	info->geometry.aspect_ratio = 0.0f;
+	info->geometry.aspect_ratio = 4.0f / 3.0f;
 }
 
 /* savestates */
@@ -975,6 +976,21 @@ static void update_variables(void)
 			PicoOpt &= ~POPT_EN_MCD_RAMCART;
 	}
 
+	var.value = NULL;
+	var.key = "picodrive_region";
+	if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+		if (strcmp(var.value, "Auto") == 0)
+			PicoRegionOverride = 0;
+		else if (strcmp(var.value, "Japan NTSC") == 0)
+			PicoRegionOverride = 1;
+		else if (strcmp(var.value, "Japan PAL") == 0)
+			PicoRegionOverride = 2;
+		else if (strcmp(var.value, "US") == 0)
+			PicoRegionOverride = 4;
+		else if (strcmp(var.value, "Europe") == 0)
+			PicoRegionOverride = 8;
+	}
+
 #ifdef DRC_SH2
 	var.value = NULL;
 	var.key = "picodrive_drc";