diff --git a/src/test/kotlin/FunctionalTestsBase.kt b/src/test/kotlin/FunctionalTestsBase.kt
index ff97e75..abb4a37 100644
--- a/src/test/kotlin/FunctionalTestsBase.kt
+++ b/src/test/kotlin/FunctionalTestsBase.kt
@@ -3,7 +3,10 @@ import razorvine.ksim65.Cpu6502
 import razorvine.ksim65.components.Ram
 import kotlin.test.*
 
-
+/*
+Wolfgang Lorenz's 6502 test suite
+See http://www.softwolves.com/arkiv/cbm-hackers/7/7114.html
+ */
 abstract class FunctionalTestsBase {
 
     val cpu: Cpu6502 = Cpu6502()
@@ -44,7 +47,7 @@ abstract class FunctionalTestsBase {
         cpu.regSP = 0xfd
         cpu.regP.fromInt(0b00100100)
         try {
-            while (cpu.totalCycles < 50000000L) {
+            while (cpu.totalCycles < 40000000L) {
                 bus.clock()
             }
             fail("test hangs: " + cpu.snapshot())
@@ -57,4 +60,13 @@ abstract class FunctionalTestsBase {
         }
         fail("test failed")
     }
+
+    protected fun runTestExpectNotImplemented(testprogram: String) {
+        try {
+            runTest(testprogram)
+            fail("expected to crash with NotImplementedError")
+        } catch(nx: NotImplementedError) {
+            // okay!
+        }
+    }
 }
diff --git a/src/test/kotlin/Test6502TestSuiteC64Specific.kt b/src/test/kotlin/Test6502TestSuiteC64Specific.kt
new file mode 100644
index 0000000..911f62e
--- /dev/null
+++ b/src/test/kotlin/Test6502TestSuiteC64Specific.kt
@@ -0,0 +1,131 @@
+import org.junit.jupiter.api.Disabled
+import org.junit.jupiter.api.parallel.Execution
+import org.junit.jupiter.api.parallel.ExecutionMode
+import kotlin.test.*
+
+// TODO: run these tests by using the C64 machine emulation components
+
+@Execution(ExecutionMode.CONCURRENT)
+@Disabled("test code is not using C64 specific components yet")
+class Test6502TestSuiteC64Specific: FunctionalTestsBase() {
+
+    @Test
+    fun testCia1pb6() {
+        runTest("cia1pb6")
+    }
+
+    @Test
+    fun testCia1pb7() {
+        runTest("cia1pb7")
+    }
+
+    @Test
+    fun testCia1ta() {
+        runTest("cia1ta")
+    }
+
+    @Test
+    fun testCia1tab() {
+        runTest("cia1tab")
+    }
+
+    @Test
+    fun testCia1tb() {
+        runTest("cia1tb")
+    }
+
+    @Test
+    fun testCia1tb123() {
+        runTest("cia1tb123")
+    }
+
+    @Test
+    fun testCia2pb6() {
+        runTest("cia2pb6")
+    }
+
+    @Test
+    fun testCia2pb7() {
+        runTest("cia2pb7")
+    }
+
+    @Test
+    fun testCia2ta() {
+        runTest("cia2ta")
+    }
+
+    @Test
+    fun testCia2tb() {
+        runTest("cia2tb")
+    }
+
+    @Test
+    fun testCia2tb123() {
+        runTest("cia2tb123")
+    }
+
+    @Test
+    fun testCntdef() {
+        runTest("cntdef")
+    }
+
+    @Test
+    fun testCnto2() {
+        runTest("cnto2")
+    }
+
+    @Test
+    fun testCpuport() {
+        runTest("cpuport")
+    }
+
+    @Test
+    fun testCputiming() {
+        runTest("cputiming")
+    }
+
+    @Test
+    fun testFlipos() {
+        runTest("flipos")
+    }
+
+    @Test
+    fun testIcr01() {
+        runTest("icr01")
+    }
+
+    @Test
+    fun testImr() {
+        runTest("imr")
+    }
+
+    @Test
+    fun testIrq() {
+        runTest("irq")
+    }
+
+    @Test
+    fun testLoadth() {
+        runTest("loadth")
+    }
+
+    @Test
+    fun testMmu() {
+        runTest("mmu")
+    }
+
+    @Test
+    fun testMmufetch() {
+        runTest("mmufetch")
+    }
+
+    @Test
+    fun testNmi() {
+        runTest("nmi")
+    }
+
+    @Test
+    fun testOneshot() {
+        runTest("oneshot")
+    }
+}
diff --git a/src/test/kotlin/Test6502TestSuiteIllegalInstructions.kt b/src/test/kotlin/Test6502TestSuiteIllegalInstructions.kt
new file mode 100644
index 0000000..d3fffd8
--- /dev/null
+++ b/src/test/kotlin/Test6502TestSuiteIllegalInstructions.kt
@@ -0,0 +1,329 @@
+import org.junit.jupiter.api.parallel.Execution
+import org.junit.jupiter.api.parallel.ExecutionMode
+import kotlin.test.*
+
+// TODO: implement the illegal instructions and replace these tests with the 'real' runTest
+
+@Execution(ExecutionMode.CONCURRENT)
+class Test6502TestSuiteIllegalInstructions: FunctionalTestsBase() {
+
+    @Test
+    fun testAlrb() {
+        runTestExpectNotImplemented("alrb")
+    }
+
+    @Test
+    fun testAncb() {
+        runTestExpectNotImplemented("ancb")
+    }
+
+    @Test
+    fun testAneb() {
+        runTestExpectNotImplemented("aneb")
+    }
+
+    @Test
+    fun testArrb() {
+        runTestExpectNotImplemented("arrb")
+    }
+
+    @Test
+    fun testAsoa() {
+        runTestExpectNotImplemented("asoa")
+    }
+
+    @Test
+    fun testAsoax() {
+        runTestExpectNotImplemented("asoax")
+    }
+
+    @Test
+    fun testAsoay() {
+        runTestExpectNotImplemented("asoay")
+    }
+
+    @Test
+    fun testAsoix() {
+        runTestExpectNotImplemented("asoix")
+    }
+
+    @Test
+    fun testAsoiy() {
+        runTestExpectNotImplemented("asoiy")
+    }
+
+    @Test
+    fun testAsoz() {
+        runTestExpectNotImplemented("asoz")
+    }
+
+    @Test
+    fun testAsozx() {
+        runTestExpectNotImplemented("asozx")
+    }
+
+    @Test
+    fun testAxsa() {
+        runTestExpectNotImplemented("axsa")
+    }
+
+    @Test
+    fun testAxsix() {
+        runTestExpectNotImplemented("axsix")
+    }
+
+    @Test
+    fun testAxsz() {
+        runTestExpectNotImplemented("axsz")
+    }
+
+    @Test
+    fun testAxszy() {
+        runTestExpectNotImplemented("axszy")
+    }
+
+    @Test
+    fun testDcma() {
+        runTestExpectNotImplemented("dcma")
+    }
+
+    @Test
+    fun testDcmax() {
+        runTestExpectNotImplemented("dcmax")
+    }
+
+    @Test
+    fun testDcmay() {
+        runTestExpectNotImplemented("dcmay")
+    }
+
+    @Test
+    fun testDcmix() {
+        runTestExpectNotImplemented("dcmix")
+    }
+
+    @Test
+    fun testDcmiy() {
+        runTestExpectNotImplemented("dcmiy")
+    }
+
+    @Test
+    fun testDcmz() {
+        runTestExpectNotImplemented("dcmz")
+    }
+
+    @Test
+    fun testDcmzx() {
+        runTestExpectNotImplemented("dcmzx")
+    }
+
+    @Test
+    fun testInsa() {
+        runTestExpectNotImplemented("insa")
+    }
+
+    @Test
+    fun testInsax() {
+        runTestExpectNotImplemented("insax")
+    }
+
+    @Test
+    fun testInsay() {
+        runTestExpectNotImplemented("insay")
+    }
+
+    @Test
+    fun testInsix() {
+        runTestExpectNotImplemented("insix")
+    }
+
+    @Test
+    fun testInsiy() {
+        runTestExpectNotImplemented("insiy")
+    }
+
+    @Test
+    fun testInsz() {
+        runTestExpectNotImplemented("insz")
+    }
+
+    @Test
+    fun testInszx() {
+        runTestExpectNotImplemented("inszx")
+    }
+
+    @Test
+    fun testLasay() {
+        runTestExpectNotImplemented("lasay")
+    }
+
+    @Test
+    fun testLaxa() {
+        runTestExpectNotImplemented("laxa")
+    }
+
+    @Test
+    fun testLaxay() {
+        runTestExpectNotImplemented("laxay")
+    }
+
+    @Test
+    fun testLaxix() {
+        runTestExpectNotImplemented("laxix")
+    }
+
+    @Test
+    fun testLaxiy() {
+        runTestExpectNotImplemented("laxiy")
+    }
+
+    @Test
+    fun testLaxz() {
+        runTestExpectNotImplemented("laxz")
+    }
+
+    @Test
+    fun testLaxzy() {
+        runTestExpectNotImplemented("laxzy")
+    }
+
+    @Test
+    fun testLsea() {
+        runTestExpectNotImplemented("lsea")
+    }
+
+    @Test
+    fun testLseax() {
+        runTestExpectNotImplemented("lseax")
+    }
+
+    @Test
+    fun testLseay() {
+        runTestExpectNotImplemented("lseay")
+    }
+
+    @Test
+    fun testLseix() {
+        runTestExpectNotImplemented("lseix")
+    }
+
+    @Test
+    fun testLseiy() {
+        runTestExpectNotImplemented("lseiy")
+    }
+
+    @Test
+    fun testLsez() {
+        runTestExpectNotImplemented("lsez")
+    }
+
+    @Test
+    fun testLsezx() {
+        runTestExpectNotImplemented("lsezx")
+    }
+
+    @Test
+    fun testLxab() {
+        runTestExpectNotImplemented("lxab")
+    }
+
+    @Test
+    fun testRlaa() {
+        runTestExpectNotImplemented("rlaa")
+    }
+
+    @Test
+    fun testRlaax() {
+        runTestExpectNotImplemented("rlaax")
+    }
+
+    @Test
+    fun testRlaay() {
+        runTestExpectNotImplemented("rlaay")
+    }
+
+    @Test
+    fun testRlaix() {
+        runTestExpectNotImplemented("rlaix")
+    }
+
+    @Test
+    fun testRlaiy() {
+        runTestExpectNotImplemented("rlaiy")
+    }
+
+    @Test
+    fun testRlaz() {
+        runTestExpectNotImplemented("rlaz")
+    }
+
+    @Test
+    fun testRlazx() {
+        runTestExpectNotImplemented("rlazx")
+    }
+
+    @Test
+    fun testRraa() {
+        runTestExpectNotImplemented("rraa")
+    }
+
+    @Test
+    fun testRraax() {
+        runTestExpectNotImplemented("rraax")
+    }
+
+    @Test
+    fun testRraay() {
+        runTestExpectNotImplemented("rraay")
+    }
+
+    @Test
+    fun testRraix() {
+        runTestExpectNotImplemented("rraix")
+    }
+
+    @Test
+    fun testRraiy() {
+        runTestExpectNotImplemented("rraiy")
+    }
+
+    @Test
+    fun testRraz() {
+        runTestExpectNotImplemented("rraz")
+    }
+
+    @Test
+    fun testRrazx() {
+        runTestExpectNotImplemented("rrazx")
+    }
+
+    @Test
+    fun testSbxb() {
+        runTestExpectNotImplemented("sbxb")
+    }
+
+    @Test
+    fun testShaay() {
+        runTestExpectNotImplemented("shaay")
+    }
+
+    @Test
+    fun testShaiy() {
+        runTestExpectNotImplemented("shaiy")
+    }
+
+    @Test
+    fun testShsay() {
+        runTestExpectNotImplemented("shsay")
+    }
+
+    @Test
+    fun testShxay() {
+        runTestExpectNotImplemented("shxay")
+    }
+
+    @Test
+    fun testShyax() {
+        runTestExpectNotImplemented("shyax")
+    }
+}
diff --git a/src/test/kotlin/Test6502TestSuitePart1.kt b/src/test/kotlin/Test6502TestSuitePart1.kt
index d54aaae..cf34cc7 100644
--- a/src/test/kotlin/Test6502TestSuitePart1.kt
+++ b/src/test/kotlin/Test6502TestSuitePart1.kt
@@ -52,18 +52,6 @@ class Test6502TestSuitePart1: FunctionalTestsBase() {
         runTest("adczx")
     }
 
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testAlrb() {
-        runTest("alrb")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testAncb() {
-        runTest("ancb")
-    }
-
     @Test
     fun testAnda() {
         runTest("anda")
@@ -104,18 +92,6 @@ class Test6502TestSuitePart1: FunctionalTestsBase() {
         runTest("andzx")
     }
 
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testAneb() {
-        runTest("aneb")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testArrb() {
-        runTest("arrb")
-    }
-
     @Test
     fun testAsla() {
         runTest("asla")
@@ -141,72 +117,6 @@ class Test6502TestSuitePart1: FunctionalTestsBase() {
         runTest("aslzx")
     }
 
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testAsoa() {
-        runTest("asoa")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testAsoax() {
-        runTest("asoax")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testAsoay() {
-        runTest("asoay")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testAsoix() {
-        runTest("asoix")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testAsoiy() {
-        runTest("asoiy")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testAsoz() {
-        runTest("asoz")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testAsozx() {
-        runTest("asozx")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testAxsa() {
-        runTest("axsa")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testAxsix() {
-        runTest("axsix")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testAxsz() {
-        runTest("axsz")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testAxszy() {
-        runTest("axszy")
-    }
-
     @Test
     fun testBccr() {
         runTest("bccr")
@@ -267,72 +177,6 @@ class Test6502TestSuitePart1: FunctionalTestsBase() {
         runTest("bvsr")
     }
 
-    @Test
-    @Disabled("c64 specific component")
-    fun testCia1pb6() {
-        runTest("cia1pb6")
-    }
-
-    @Test
-    @Disabled("c64 specific component")
-    fun testCia1pb7() {
-        runTest("cia1pb7")
-    }
-
-    @Test
-    @Disabled("c64 specific component")
-    fun testCia1ta() {
-        runTest("cia1ta")
-    }
-
-    @Test
-    @Disabled("c64 specific component")
-    fun testCia1tab() {
-        runTest("cia1tab")
-    }
-
-    @Test
-    @Disabled("c64 specific component")
-    fun testCia1tb() {
-        runTest("cia1tb")
-    }
-
-    @Test
-    @Disabled("c64 specific component")
-    fun testCia1tb123() {
-        runTest("cia1tb123")
-    }
-
-    @Test
-    @Disabled("c64 specific component")
-    fun testCia2pb6() {
-        runTest("cia2pb6")
-    }
-
-    @Test
-    @Disabled("c64 specific component")
-    fun testCia2pb7() {
-        runTest("cia2pb7")
-    }
-
-    @Test
-    @Disabled("c64 specific component")
-    fun testCia2ta() {
-        runTest("cia2ta")
-    }
-
-    @Test
-    @Disabled("c64 specific component")
-    fun testCia2tb() {
-        runTest("cia2tb")
-    }
-
-    @Test
-    @Disabled("c64 specific component")
-    fun testCia2tb123() {
-        runTest("cia2tb123")
-    }
-
     @Test
     fun testClcn() {
         runTest("clcn")
@@ -393,30 +237,6 @@ class Test6502TestSuitePart1: FunctionalTestsBase() {
         runTest("cmpzx")
     }
 
-    @Test
-    @Disabled("c64 6510 specific component")
-    fun testCntdef() {
-        runTest("cntdef")
-    }
-
-    @Test
-    @Disabled("c64 6510 specific component")
-    fun testCnto2() {
-        runTest("cnto2")
-    }
-
-    @Test
-    @Disabled("c64 6510 specific component")
-    fun testCpuport() {
-        runTest("cpuport")
-    }
-
-    @Test
-    @Disabled("todo: get all cycle times right, and uses c64 specific timing hardware")
-    fun testCputiming() {
-        runTest("cputiming")
-    }
-
     @Test
     fun testCpxa() {
         runTest("cpxa")
@@ -447,48 +267,6 @@ class Test6502TestSuitePart1: FunctionalTestsBase() {
         runTest("cpyz")
     }
 
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testDcma() {
-        runTest("dcma")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testDcmax() {
-        runTest("dcmax")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testDcmay() {
-        runTest("dcmay")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testDcmix() {
-        runTest("dcmix")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testDcmiy() {
-        runTest("dcmiy")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testDcmz() {
-        runTest("dcmz")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testDcmzx() {
-        runTest("dcmzx")
-    }
-
     @Test
     fun testDeca() {
         runTest("deca")
@@ -559,24 +337,6 @@ class Test6502TestSuitePart1: FunctionalTestsBase() {
         runTest("eorzx")
     }
 
-    @Test
-    @Disabled("c64 specific component")
-    fun testFlipos() {
-        runTest("flipos")
-    }
-
-    @Test
-    @Disabled("c64 specific component")
-    fun testIcr01() {
-        runTest("icr01")
-    }
-
-    @Test
-    @Disabled("c64 specific component")
-    fun testImr() {
-        runTest("imr")
-    }
-
     @Test
     fun testInca() {
         runTest("inca")
@@ -597,48 +357,6 @@ class Test6502TestSuitePart1: FunctionalTestsBase() {
         runTest("inczx")
     }
 
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testInsa() {
-        runTest("insa")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testInsax() {
-        runTest("insax")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testInsay() {
-        runTest("insay")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testInsix() {
-        runTest("insix")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testInsiy() {
-        runTest("insiy")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testInsz() {
-        runTest("insz")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testInszx() {
-        runTest("inszx")
-    }
-
     @Test
     fun testInxn() {
         runTest("inxn")
@@ -649,12 +367,6 @@ class Test6502TestSuitePart1: FunctionalTestsBase() {
         runTest("inyn")
     }
 
-    @Test
-    @Disabled("c64 specific component")
-    fun testIrq() {
-        runTest("irq")
-    }
-
     @Test
     fun testJmpi() {
         runTest("jmpi")
diff --git a/src/test/kotlin/Test6502TestSuitePart2.kt b/src/test/kotlin/Test6502TestSuitePart2.kt
index bc52af3..7a37fb7 100644
--- a/src/test/kotlin/Test6502TestSuitePart2.kt
+++ b/src/test/kotlin/Test6502TestSuitePart2.kt
@@ -8,48 +8,6 @@ import kotlin.test.*
 @Disabled("this test suite is quite intensive and for regular test runs, the other tests are sufficient")
 class Test6502TestSuitePart2: FunctionalTestsBase() {
 
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLasay() {
-        runTest("lasay")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLaxa() {
-        runTest("laxa")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLaxay() {
-        runTest("laxay")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLaxix() {
-        runTest("laxix")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLaxiy() {
-        runTest("laxiy")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLaxz() {
-        runTest("laxz")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLaxzy() {
-        runTest("laxzy")
-    }
-
     @Test
     fun testLdaa() {
         runTest("ldaa")
@@ -140,54 +98,6 @@ class Test6502TestSuitePart2: FunctionalTestsBase() {
         runTest("ldyzx")
     }
 
-    @Test
-    @Disabled("c64 specific component")
-    fun testLoadth() {
-        runTest("loadth")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLsea() {
-        runTest("lsea")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLseax() {
-        runTest("lseax")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLseay() {
-        runTest("lseay")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLseix() {
-        runTest("lseix")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLseiy() {
-        runTest("lseiy")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLsez() {
-        runTest("lsez")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLsezx() {
-        runTest("lsezx")
-    }
-
     @Test
     fun testLsra() {
         runTest("lsra")
@@ -213,30 +123,6 @@ class Test6502TestSuitePart2: FunctionalTestsBase() {
         runTest("lsrzx")
     }
 
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testLxab() {
-        runTest("lxab")
-    }
-
-    @Test
-    @Disabled("c64 6510 specific component")
-    fun testMmu() {
-        runTest("mmu")
-    }
-
-    @Test
-    @Disabled("c64 6510 specific component")
-    fun testMmufetch() {
-        runTest("mmufetch")
-    }
-
-    @Test
-    @Disabled("c64 specific component")
-    fun testNmi() {
-        runTest("nmi")
-    }
-
     @Test
     fun testNopa() {
         runTest("nopa")
@@ -267,12 +153,6 @@ class Test6502TestSuitePart2: FunctionalTestsBase() {
         runTest("nopzx")
     }
 
-    @Test
-    @Disabled("c64 specific component")
-    fun testOneshot() {
-        runTest("oneshot")
-    }
-
     @Test
     fun testOraa() {
         runTest("oraa")
@@ -333,48 +213,6 @@ class Test6502TestSuitePart2: FunctionalTestsBase() {
         runTest("plpn")
     }
 
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testRlaa() {
-        runTest("rlaa")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testRlaax() {
-        runTest("rlaax")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testRlaay() {
-        runTest("rlaay")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testRlaix() {
-        runTest("rlaix")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testRlaiy() {
-        runTest("rlaiy")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testRlaz() {
-        runTest("rlaz")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testRlazx() {
-        runTest("rlazx")
-    }
-
     @Test
     fun testRola() {
         runTest("rola")
@@ -425,48 +263,6 @@ class Test6502TestSuitePart2: FunctionalTestsBase() {
         runTest("rorzx")
     }
 
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testRraa() {
-        runTest("rraa")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testRraax() {
-        runTest("rraax")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testRraay() {
-        runTest("rraay")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testRraix() {
-        runTest("rraix")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testRraiy() {
-        runTest("rraiy")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testRraz() {
-        runTest("rraz")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testRrazx() {
-        runTest("rrazx")
-    }
-
     @Test
     fun testRtin() {
         runTest("rtin")
@@ -522,12 +318,6 @@ class Test6502TestSuitePart2: FunctionalTestsBase() {
         runTest("sbczx")
     }
 
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testSbxb() {
-        runTest("sbxb")
-    }
-
     @Test
     fun testSecn() {
         runTest("secn")
@@ -543,36 +333,6 @@ class Test6502TestSuitePart2: FunctionalTestsBase() {
         runTest("sein")
     }
 
-    @Test
-    @Disabled("not yet implemented- illegal instruction sha/ahx")
-    fun testShaay() {
-        runTest("shaay")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction sha/ahx")
-    fun testShaiy() {
-        runTest("shaiy")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction shs/tas")
-    fun testShsay() {
-        runTest("shsay")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testShxay() {
-        runTest("shxay")
-    }
-
-    @Test
-    @Disabled("not yet implemented- illegal instruction")
-    fun testShyax() {
-        runTest("shyax")
-    }
-
     @Test
     fun testStaa() {
         runTest("staa")