package core6502 import ( "fmt" "testing" ) func TestNMOS6502(t *testing.T) { m := new(FlatMemory) s := NewNMOS6502(m) m.loadBinary("testdata/6502_functional_test.bin") executeSuite(t, s, 0x200, 240, false, 255) } // To execute test suites from https://github.com/Klaus2m5/6502_65C02_functional_tests func executeSuite(t *testing.T, s *State, stepAddress uint16, steps uint8, showStep bool, traceCPUStep uint8) { s.reg.setPC(0x0400) currentStep := uint8(255) for true { testCase := s.mem.Peek(stepAddress) if testCase != currentStep { currentStep = testCase if showStep { fmt.Printf("[ Step %d ]\n", testCase) } s.SetTrace(testCase == traceCPUStep) } if testCase >= steps { break } pc := s.reg.getPC() s.ExecuteInstruction() if pc == s.reg.getPC() { t.Fatalf("Failure in test %v.", testCase) } } }