From: Oggom <Oggom@users.noreply.github.com>
Date: Mon, 23 Mar 2015 16:46:02 +0000 (+0100)
Subject: (libretro) Implement region switch
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b38bccea1210febbe0ee8df051481e0098ce7681;p=picodrive.git

(libretro) Implement region switch
---

diff --git a/platform/libretro/libretro.c b/platform/libretro/libretro.c
index 057cd525..0cada6bd 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
@@ -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";