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52 lines
1.5 KiB
Swift
52 lines
1.5 KiB
Swift
//
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// BCDTest.swift
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// Clock Signal
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//
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// Created by Thomas Harte on 04/10/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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import Foundation
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import XCTest
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class BCDTest: XCTestCase, CSTestMachineTrapHandler {
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func testBCD() {
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if let filename = Bundle(for: type(of: self)).path(forResource: "BCDTEST_beeb", ofType: nil) {
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if let bcdTest = try? Data(contentsOf: URL(fileURLWithPath: filename)) {
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let machine = CSTestMachine6502()
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machine.trapHandler = self
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machine.setData(bcdTest, atAddress: 0x2900)
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// install a launchpad
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machine.setValue(0x20, forAddress:0x200) // JSR 0x2900
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machine.setValue(0x00, forAddress:0x201)
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machine.setValue(0x29, forAddress:0x202)
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machine.setValue(0x4c, forAddress:0x203) // JMP 0x0203
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machine.setValue(0x03, forAddress:0x204)
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machine.setValue(0x02, forAddress:0x205)
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machine.setValue(0x200, for: .programCounter)
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machine.setValue(0x60, forAddress:0xffee)
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machine.addTrapAddress(0xffee) // OSWRCH, an RTS
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while(machine.value(for: .programCounter) != 0x203) {
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machine.runForNumber(ofCycles: 1000)
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}
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XCTAssert(machine.value(forAddress:0x84) == 0, output)
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}
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}
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}
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fileprivate var output: String = ""
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func testMachine(_ testMachine: CSTestMachine, didTrapAtAddress address: UInt16) {
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let machine6502 = testMachine as! CSTestMachine6502
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// Only OSWRCH is trapped, so...
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let character = machine6502.value(for: .A)
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output.append(Character(UnicodeScalar(character)!))
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}
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}
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