# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1740282770 28800
# Node ID 07faf0f5466f5e18f3b191602bf89b4f3df2d46b
# Parent  adff015dc94fbb2a380069b3b4dd89a7cf3b0a10
Add option to force use of the default region

diff -r adff015dc94f -r 07faf0f5466f default.cfg
--- a/default.cfg	Sat Feb 22 19:29:18 2025 -0800
+++ b/default.cfg	Sat Feb 22 19:52:50 2025 -0800
@@ -418,7 +418,11 @@
 	sync_source audio
 	#set this to random to debug initialization bugs
 	ram_init zero
+	#Default region to use when the ROM has no region info or there are multiple options
+	#U = USA/North America, E = Europe, J = Japan
 	default_region U
+	#Whether to always force the region selected in default_region
+	force_region off
 	#controls whether MegaWiFi support is enabled or not
 	#MegaWiFi allows ROMs to make connections to the internet
 	#so it should only be enabled for ROMs you trust
diff -r adff015dc94f -r 07faf0f5466f genesis.c
--- a/genesis.c	Sat Feb 22 19:29:18 2025 -0800
+++ b/genesis.c	Sat Feb 22 19:52:50 2025 -0800
@@ -1920,7 +1920,9 @@
 {
 	if (!region) {
 		char * def_region = tern_find_path_default(config, "system\0default_region\0", (tern_val){.ptrval = "U"}, TVAL_PTR).ptrval;
-		if (!info->regions || (info->regions & translate_region_char(toupper(*def_region)))) {
+		char * force_region = tern_find_path_default(config, "system\0force_region\0", (tern_val){.ptrval = "off"}, TVAL_PTR).ptrval;
+		
+		if (!info->regions || (info->regions & translate_region_char(toupper(*def_region))) || !strcmp(force_region, "on")) {
 			region = translate_region_char(toupper(*def_region));
 		} else {
 			region = info->regions;
diff -r adff015dc94f -r 07faf0f5466f nuklear_ui/blastem_nuklear.c
--- a/nuklear_ui/blastem_nuklear.c	Sat Feb 22 19:29:18 2025 -0800
+++ b/nuklear_ui/blastem_nuklear.c	Sat Feb 22 19:52:50 2025 -0800
@@ -2458,6 +2458,7 @@
 			config = tern_insert_path(config, config_path1, (tern_val){.ptrval = strdup(io_opts_1[selected_io_1])}, TVAL_PTR);
 		}
 		selected_region = settings_dropdown_ex(context, "Default Region", region_codes, regions, num_regions, selected_region, "system\0default_region\0");
+		settings_toggle(context, "Force Selected Region", "system\0force_region\0", 0);
 		selected_sync = settings_dropdown(context, "Sync Source", sync_opts, num_sync_opts, selected_sync, "system\0sync_source\0");
 		if (!show_sms) {
 			settings_int_property(context, "68000 Clock Divider", "", "clocks\0m68k_divider\0", 7, 1, 53);