Refactor to permit newer-chip testing.

OSBindings/Mac/Clock SignalTests/68000DecoderTests.mm

@@ -15,20 +15,20 @@ using namespace InstructionSet::M68k;
 @interface M68000DecoderTests : XCTestCase
 @end
 
-@implementation M68000DecoderTests
+namespace {
 
-- (void)testInstructionSpecs {
+template <Model model> void test(NSString *filename, Class cls) {
 	NSData *const testData =
 		[NSData dataWithContentsOfURL:
-			[[NSBundle bundleForClass:[self class]]
-				URLForResource:@"68000ops"
+			[[NSBundle bundleForClass:cls]
+				URLForResource:filename
 				withExtension:@"json"
 				subdirectory:@"68000 Decoding"]];
 
 	NSDictionary<NSString *, NSString *> *const decodings = [NSJSONSerialization JSONObjectWithData:testData options:0 error:nil];
 	XCTAssertNotNil(decodings);
 
-	Predecoder<Model::M68000> decoder;
+	Predecoder<model> decoder;
 	for(int instr = 0; instr < 65536; instr++) {
 		NSString *const instrName = [NSString stringWithFormat:@"%04x", instr];
 		NSString *const expected = decodings[instrName];
@@ -41,4 +41,26 @@ using namespace InstructionSet::M68k;
 	}
 }
 
+}
+
+@implementation M68000DecoderTests
+
+- (void)test68000 {
+	test<Model::M68000>(@"68000ops", [self class]);
+}
+
+
+/*
+	TODO: generate new reference JSONs for tests below here.
+	For now these are here for manual verification of the diffs.
+*/
+
+- (void)test68010 {
+	test<Model::M68010>(@"68000ops", [self class]);
+}
+
+- (void)test68020 {
+	test<Model::M68020>(@"68000ops", [self class]);
+}
+
 @end