diff --git a/OSBindings/Mac/Clock Signal/Machine/Wrappers/CSVic20.h b/OSBindings/Mac/Clock Signal/Machine/Wrappers/CSVic20.h
index daaee4c06..c8ade6c34 100644
--- a/OSBindings/Mac/Clock Signal/Machine/Wrappers/CSVic20.h	
+++ b/OSBindings/Mac/Clock Signal/Machine/Wrappers/CSVic20.h	
@@ -10,6 +10,19 @@
 #import "CSKeyboardMachine.h"
 #import "CSFastLoading.h"
 
+typedef NS_ENUM(NSInteger, CSVic20Region)
+{
+	CSVic20RegionPAL,
+	CSVic20RegionNTSC
+};
+
+typedef NS_ENUM(NSInteger, CSVic20MemorySize)
+{
+	CSVic20MemorySize5Kb,
+	CSVic20MemorySize8Kb,
+	CSVic20MemorySize32Kb,
+};
+
 @interface CSVic20 : CSMachine <CSKeyboardMachine, CSFastLoading>
 
 - (void)setKernelROM:(nonnull NSData *)rom;
@@ -24,5 +37,7 @@
 
 @property (nonatomic, assign) BOOL useFastLoadingHack;
 @property (nonatomic, assign) BOOL shouldLoadAutomatically;
+@property (nonatomic, assign) CSVic20Region region;
+@property (nonatomic, assign) CSVic20MemorySize memorySize;
 
 @end
diff --git a/OSBindings/Mac/Clock Signal/Machine/Wrappers/CSVic20.mm b/OSBindings/Mac/Clock Signal/Machine/Wrappers/CSVic20.mm
index 1ad7165f9..5108741a1 100644
--- a/OSBindings/Mac/Clock Signal/Machine/Wrappers/CSVic20.mm	
+++ b/OSBindings/Mac/Clock Signal/Machine/Wrappers/CSVic20.mm	
@@ -190,18 +190,38 @@ using namespace Commodore::Vic20;
 	}
 }
 
+#pragma mark - Public configuration options
+
 - (void)setUseFastLoadingHack:(BOOL)useFastLoadingHack {
+	_useFastLoadingHack = useFastLoadingHack;
 	@synchronized(self) {
-		_useFastLoadingHack = useFastLoadingHack;
 		_vic20.set_use_fast_tape_hack(useFastLoadingHack ? true : false);
 	}
 }
 
 - (void)setShouldLoadAutomatically:(BOOL)shouldLoadAutomatically {
+	_shouldLoadAutomatically = shouldLoadAutomatically;
 	@synchronized(self) {
-		_shouldLoadAutomatically = shouldLoadAutomatically;
 		_vic20.set_should_automatically_load_media(shouldLoadAutomatically ? true : false);
 	}
 }
 
+- (void)setRegion:(CSVic20Region)region {
+	_region = region;
+	@synchronized(self) {
+		_vic20.set_region( (region == CSVic20RegionPAL) ? Commodore::Vic20::Region::PAL : Commodore::Vic20::Region::NTSC);
+	}
+}
+
+- (void)setMemorySize:(CSVic20MemorySize)memorySize {
+	_memorySize = memorySize;
+	@synchronized(self) {
+		switch(memorySize) {
+			case CSVic20MemorySize5Kb: _vic20.set_memory_size(Commodore::Vic20::Default);	break;
+			case CSVic20MemorySize8Kb: _vic20.set_memory_size(Commodore::Vic20::ThreeKB);	break;
+			case CSVic20MemorySize32Kb: _vic20.set_memory_size(Commodore::Vic20::ThirtyTwoKB);	break;
+		}
+	}
+}
+
 @end