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Set up a test class to allow me to discover which of the machine cycle sequences I'm in error on.

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This commit is contained in:
Thomas Harte 2017-06-15 19:06:59 -04:00
parent a336048c98
commit ac37424878
2 changed files with 61 additions and 0 deletions
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4
OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj
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4B14145F1B58885000E04248 /* WolfgangLorenzTests.swift */,
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57
OSBindings/Mac/Clock SignalTests/Z80MachineCycleTests.swift Normal file
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//
// Z80MachineCycleTests.swift
// Clock Signal
//
// Created by Thomas Harte on 15/06/2017.
// Copyright © 2017 Thomas Harte. All rights reserved.
//
import XCTest
class Z80MachineCycleTests: XCTestCase {
struct MachineCycle {
var operation: CSTestMachineZ80BusOperationCaptureOperation
var length: Int32
}
func test(program : Array<UInt8>, busCycles : [MachineCycle]) {
// Create a machine and install the supplied program at address 0, setting the PC to run from there
let machine = CSTestMachineZ80()
machine.setValue(0x0000, for: .programCounter)
machine.setData(Data(bytes: program), atAddress: 0x0000)
// Figure out the total number of cycles implied by the bus cycles
var totalCycles: Int32 = 0
for cycle in busCycles {
totalCycles += Int32(cycle.length)
}
// Run the machine, capturing bus activity
machine.captureBusActivity = true
machine.runForNumber(ofCycles: totalCycles)
// Check the results
totalCycles = 0
var index = 0
for cycle in machine.busOperationCaptures {
let length = cycle.timeStamp - totalCycles
totalCycles += length
XCTAssertEqual(length, busCycles[index].length)
XCTAssertEqual(cycle.operation, busCycles[index].operation)
index += 1
}
}
func testLDrs() {
test(
program: [0x40],
busCycles: [
MachineCycle(operation: .read, length: 4)
]
)
}
}