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