Add test synonym, fix operand size.

19 failures.

InstructionSets/x86/Decoder.cpp

@@ -1,4 +1,5 @@
 //
+//
 //  x86.cpp
 //  Clock Signal
 //
@@ -703,12 +704,17 @@ std::pair<int, typename Decoder<model>::InstructionT> Decoder<model>::decode(con
 				source_ = memreg;
 
 				switch(reg) {
-					default: undefined();
+					default:
+						// case 1 is treated as another form of TEST on the 8086.
+						if constexpr (model >= Model::i80286) {
+							undefined();
+						}
+						[[fallthrough]];
 
 					case 0:
 						destination_ = memreg;
 						source_ = Source::Immediate;
-						operand_size_ = data_size_;
+						operand_size_ = operation_size_;
 						SetOperation(Operation::TEST);
 					break;
 					case 2:		SetOperation(Operation::NOT);		break;

OSBindings/Mac/Clock SignalTests/8088Tests.mm

@@ -137,10 +137,9 @@ std::string to_string(InstructionSet::x86::DataPointer pointer, const Instructio
 
 - (NSArray<NSString *> *)testFiles {
 	NSString *path = [NSString stringWithUTF8String:TestSuiteHome];
-	NSSet *allowList = nil;
-//		[NSSet setWithObject:
-//			@"D2.4.json.gz"
-//		];
+	NSSet *allowList = [NSSet setWithArray:@[
+//		@"F6.0.json.gz",
+	]];
 
 	// Unofficial opcodes; ignored for now.
 	NSSet *ignoreList =
@@ -166,7 +165,7 @@ std::string to_string(InstructionSet::x86::DataPointer pointer, const Instructio
 
 	NSArray<NSString *> *files = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:path error:nil];
 	files = [files filteredArrayUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(NSString* evaluatedObject, NSDictionary<NSString *,id> *) {
-		if(allowList && ![allowList containsObject:[evaluatedObject lastPathComponent]]) {
+		if(allowList.count && ![allowList containsObject:[evaluatedObject lastPathComponent]]) {
 			return NO;
 		}
 		if([ignoreList containsObject:[evaluatedObject lastPathComponent]]) {