diff --git a/OSBindings/Mac/Clock SignalTests/WolfgangLorenzTests.swift b/OSBindings/Mac/Clock SignalTests/WolfgangLorenzTests.swift
index 9e6466923..7442ae371 100644
--- a/OSBindings/Mac/Clock SignalTests/WolfgangLorenzTests.swift	
+++ b/OSBindings/Mac/Clock SignalTests/WolfgangLorenzTests.swift	
@@ -232,6 +232,14 @@ class WolfgangLorenzTests: XCTestCase, CSTestMachineTrapHandler {
 		runTest("cia1ta", suffixes: [""], processor: .processor6502)
 	}
 
+	func testCIA1TAB() {
+		runTest("cia1tab", suffixes: [""], processor: .processor6502)
+	}
+
+	func testCIA1TB() {
+		runTest("cia1tb", suffixes: [""], processor: .processor6502)
+	}
+
 
 	// MARK: - Collections