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Detect stack overflow during Z80 tests

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This commit is contained in:
Karol Stasiak 2019-07-31 22:29:50 +02:00
parent 96b020ce62
commit 0f9bb4fb56
1 changed files with 10 additions and 3 deletions
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13
src/test/scala/millfork/test/emu/EmuZ80Run.scala
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@ -162,14 +162,18 @@ class EmuZ80Run(cpu: millfork.Cpu.Value, nodeOptimizations: List[NodeOptimizatio
} }
val memoryBank = assembler.mem.banks("default") val memoryBank = assembler.mem.banks("default")
(0x1f0 until 0x200).foreach(i => memoryBank.readable(i) = true) (0x1ed until 0x200).foreach(i => memoryBank.readable(i) = true)
(0xff00 to 0xffff).foreach{i => (0xff00 to 0xffff).foreach{i =>
memoryBank.readable(i) = true memoryBank.readable(i) = true
memoryBank.writeable(i) = true memoryBank.writeable(i) = true
} }
// LD SP,$fffe
// CALL $0200 // CALL $0200
// HALT // HALT
memoryBank.output(0x1ed) = 0x31.toByte
memoryBank.output(0x1ee) = 0xFE.toByte
memoryBank.output(0x1ef) = 0xFF.toByte
memoryBank.output(0x1f0) = 0xCD.toByte memoryBank.output(0x1f0) = 0xCD.toByte
memoryBank.output(0x1f1) = 0 memoryBank.output(0x1f1) = 0
memoryBank.output(0x1f2) = 2 memoryBank.output(0x1f2) = 2
@ -187,13 +191,16 @@ class EmuZ80Run(cpu: millfork.Cpu.Value, nodeOptimizations: List[NodeOptimizatio
case millfork.Cpu.Z80 | millfork.Cpu.Intel8080 => case millfork.Cpu.Z80 | millfork.Cpu.Intel8080 =>
val cpu = new Z80Core(Z80Memory(memoryBank), DummyIO) val cpu = new Z80Core(Z80Memory(memoryBank), DummyIO)
cpu.reset() cpu.reset()
cpu.setProgramCounter(0x1f0) cpu.setProgramCounter(0x1ed)
cpu.resetTStates() cpu.resetTStates()
while (!cpu.getHalt) { while (!cpu.getHalt) {
cpu.executeOneInstruction() cpu.executeOneInstruction()
if (resetN) { if (resetN) {
resetNMethod.invoke(cpu) resetNMethod.invoke(cpu)
} }
if (cpu.getSP.&(0xffff) < 0xd002) {
throw new IllegalStateException("stack overflow")
}
// dump(cpu) // dump(cpu)
cpu.getTStates should be < TooManyCycles cpu.getTStates should be < TooManyCycles
} }
@ -202,7 +209,7 @@ class EmuZ80Run(cpu: millfork.Cpu.Value, nodeOptimizations: List[NodeOptimizatio
case millfork.Cpu.Sharp => case millfork.Cpu.Sharp =>
var ticks = 0L var ticks = 0L
val cpu = GameboyStubs(memoryBank).cpu val cpu = GameboyStubs(memoryBank).cpu
cpu.getRegisters.setPC(0x1f0) cpu.getRegisters.setPC(0x1ed)
while (cpu.getState != Cpu.State.HALTED) { while (cpu.getState != Cpu.State.HALTED) {
cpu.tick() cpu.tick()
// dump(cpu) // dump(cpu)