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ksim65/src/test/kotlin/FunctionalTestsBase.kt
2020-02-19 00:48:05 +01:00

85 lines
2.5 KiB
Kotlin

import razorvine.ksim65.Assembler
import razorvine.ksim65.Bus
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()
val ram = Ram(0, 0xffff)
val bus = Bus()
val kernalStubs = C64KernalStubs(ram)
init {
cpu.tracing = null
cpu.addBreakpoint(0xffd2) { cpu, pc -> kernalStubs.handleBreakpoint(cpu, pc) }
cpu.addBreakpoint(0xffe4) { cpu, pc -> kernalStubs.handleBreakpoint(cpu, pc) }
cpu.addBreakpoint(0xe16f) { cpu, pc -> kernalStubs.handleBreakpoint(cpu, pc) }
cpu.addBreakpoint(0x8000) { cpu, pc -> kernalStubs.handleBreakpoint(cpu, pc) }
cpu.addBreakpoint(0xa474) { cpu, pc -> kernalStubs.handleBreakpoint(cpu, pc) }
bus.add(cpu)
bus.add(ram)
bus.reset()
}
protected fun runTest(testprogram: String) {
// setup the irq/brk routine and other stubbing
// http://www.softwolves.com/arkiv/cbm-hackers/7/7114.html
val assembler = Assembler(cpu, ram, 0xff48)
val result = assembler.assemble("""
pha
txa
pha
tya
pha
tsx
lda ${'$'}0104,x
and #${'$'}10
beq *+5
jmp (${'$'}0316)
jmp (${'$'}0314)
""".lines())
assertTrue(result.success)
ram.loadPrg("src/test/kotlin/6502testsuite/$testprogram", null)
ram[0x02] = 0
ram[0xa002] = 0
ram[0xa003] = 0x80
ram[Cpu6502.IRQ_vector] = 0x48
ram[Cpu6502.IRQ_vector + 1] = 0xff
ram[Cpu6502.RESET_vector] = 0x01
ram[Cpu6502.RESET_vector + 1] = 0x08
ram[0x01fe] = 0xff
ram[0x01ff] = 0x7f
cpu.regP.fromInt(4)
cpu.regPC = 0x0801
try {
while (cpu.totalCycles < 40000000L) {
bus.clock()
}
fail("test hangs: " + cpu.snapshot())
} catch (e: Cpu6502.InstructionError) {
println(">>> INSTRUCTION ERROR: ${e.message}")
} catch (le: KernalLoadNextPart) {
return // test ok
} catch (ie: KernalInputRequired) {
fail("test failed")
}
fail("test failed")
}
protected fun runTestExpectNotImplemented(testprogram: String) {
try {
runTest(testprogram)
fail("expected to crash with NotImplementedError")
} catch(nx: NotImplementedError) {
// okay!
}
}
}