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139 lines
4.6 KiB
Swift
139 lines
4.6 KiB
Swift
//
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// KlausDormanTests.swift
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// Clock Signal
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//
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// Created by Thomas Harte on 16/07/2015.
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// Copyright 2015 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 KlausDormannTests: XCTestCase {
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fileprivate func runTest(resource: String, processor: CSTestMachine6502Processor) -> UInt16 {
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if let filename = Bundle(for: type(of: self)).path(forResource: resource, ofType: "bin") {
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if let functionalTest = try? Data(contentsOf: URL(fileURLWithPath: filename)) {
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let machine = CSTestMachine6502(processor: processor)
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machine.setData(functionalTest, atAddress: 0)
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machine.setValue(0x400, for: .programCounter)
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while true {
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let oldPC = machine.value(for: .lastOperationAddress)
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machine.runForNumber(ofCycles: 1000)
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let newPC = machine.value(for: .lastOperationAddress)
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if newPC == oldPC {
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machine.runForNumber(ofCycles: 7)
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let retestPC = machine.value(for: .lastOperationAddress)
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if retestPC == oldPC {
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return newPC
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}
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}
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}
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}
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}
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return 0
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}
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func runTest6502(processor: CSTestMachine6502Processor) {
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func errorForTrapAddress(_ address: UInt16) -> String? {
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switch address {
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case 0x3399: return nil // success!
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case 0x052a: return "TAX, DEX or LDA did not correctly set flags, or BEQ did not branch correctly"
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case 0x05db: return "PLP did not affect N flag correctly"
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case 0x26d2: return "ASL zpg,x produced incorrect flags"
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case 0x33a7: return "Decimal ADC result has wrong value"
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case 0x33b9: return "Decimal SBC result has wrong value"
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case 0x33c0: return "Decimal SBC wrong carry flag"
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case 0x3502: return "Binary SBC result has wrong value"
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case 0x364a: return "JMP (addr) acted as JMP addr"
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case 0x36ac, 0x36f6: return "Improper JSR return address on stack"
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case 0x36c6: return "Unexpected RESET"
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case 0x36d1: return "BRK: unexpected BRK or IRQ"
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case 0x36e5: return "BRK flag not set on stack following BRK"
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case 0x36ea: return "BRK did not set the I flag"
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case 0x36fd: return "Wrong address put on stack by BRK"
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case 0: return "Didn't find tests"
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default: return "Unknown error at \(String(format:"%04x", address))"
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}
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}
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let destination = runTest(resource: "6502_functional_test", processor: processor)
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let error = errorForTrapAddress(destination)
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XCTAssert(error == nil, "Failed with error \(error!)")
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}
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func runTest65C02(processor: CSTestMachine6502Processor) {
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func errorForTrapAddress(_ address: UInt16) -> String? {
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switch address {
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case 0x24f1: return nil // success!
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case 0x0423: return "PHX: value of X not on stack page"
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case 0x0428: return "PHX: stack pointer not decremented"
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case 0x042d: return "PLY: didn't acquire value 0xaa from stack"
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case 0x0432: return "PLY: didn't acquire value 0x55 from stack"
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case 0x0437: return "PLY: stack pointer not incremented"
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case 0x043c: return "PLY: stack pointer not incremented"
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case 0x066a: return "BRA: branch not taken"
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case 0x0730: return "BBS: branch not taken"
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case 0x0733: return "BBR: branch taken"
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case 0x2884: return "JMP (abs) exhibited 6502 page-crossing bug"
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case 0x16ca: return "JMP (abs, x) failed"
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case 0x2785: return "BRK didn't clear the decimal mode flag"
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case 0x177b: return "INC A didn't function"
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case 0x1834: return "LDA (zp) acted as JAM"
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case 0x183a: return "STA (zp) acted as JAM"
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case 0x1849: return "LDA/STA (zp) left flags in incorrect state"
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case 0x1983: return "STZ didn't store zero"
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case 0x1b03: return "BIT didn't set flags correctly"
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case 0x1c6c: return "BIT immediate didn't set flags correctly"
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case 0x1d88: return "TRB set Z flag incorrectly"
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case 0x1e7c: return "RMB set flags incorrectly"
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case 0x2245: return "CMP (zero) didn't work"
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case 0x2506: return "Decimal ADC set flags incorrectly"
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case 0: return "Didn't find tests"
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default: return "Unknown error at \(String(format:"%04x", address))"
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}
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}
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let destination = runTest(resource: "65C02_extended_opcodes_test", processor: processor)
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let error = errorForTrapAddress(destination)
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XCTAssert(error == nil, "Failed with error \(error!)")
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}
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/// Runs Klaus Dormann's 6502 tests.
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func test6502() {
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runTest6502(processor: .processor6502)
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}
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/// Runs Klaus Dormann's standard 6502 tests on a 65816.
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func test65816As6502() {
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runTest6502(processor: .processor65816)
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}
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/// Runs Klaus Dormann's 65C02 tests.
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func test65C02() {
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runTest65C02(processor: .processor65C02)
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}
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/* Dormann's 65C02 tests aren't applicable to the 65816; e.g. they test BBR/BBS, which the 65816 doesn't implement. */
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}
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