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331 lines
11 KiB
Swift
331 lines
11 KiB
Swift
//
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// WolfgangLorenzTests.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 XCTest
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import Foundation
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class WolfgangLorenzTests: XCTestCase, CSTestMachineTrapHandler {
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func testWolfgangLorenzStart() {
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self.runWolfgangLorenzTest(" start")
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}
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func testWolfgangLorenzLDA() {
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self.runWolfgangLorenzTest("lda", suffixes: ["b", "z", "zx", "a", "ax", "ay", "ix", "iy"])
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}
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func testWolfgangLorenzSTA() {
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self.runWolfgangLorenzTest("sta", suffixes: ["z", "zx", "a", "ax", "ay", "ix", "iy"])
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}
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func testWolfgangLorenzLDX() {
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self.runWolfgangLorenzTest("ldx", suffixes: ["b", "z", "zy", "a", "ay"])
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}
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func testWolfgangLorenzSTX() {
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self.runWolfgangLorenzTest("stx", suffixes: ["z", "zy", "a"])
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}
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func testWolfgangLorenzLDY() {
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self.runWolfgangLorenzTest("ldy", suffixes: ["b", "z", "zx", "a", "ax"])
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}
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func testWolfgangLorenzSTY() {
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self.runWolfgangLorenzTest("sty", suffixes: ["z", "zx", "a"])
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}
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func testWolfgangLorenzTransfers() {
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self.runWolfgangLorenzTest("taxn")
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self.runWolfgangLorenzTest("tayn")
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self.runWolfgangLorenzTest("txan")
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self.runWolfgangLorenzTest("tyan")
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self.runWolfgangLorenzTest("tsxn")
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self.runWolfgangLorenzTest("txsn")
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}
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func testWolfgangLorenzStack() {
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self.runWolfgangLorenzTest("phan")
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self.runWolfgangLorenzTest("plan")
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self.runWolfgangLorenzTest("phpn")
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self.runWolfgangLorenzTest("plpn")
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}
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func testWolfgangLorenzIncsAndDecs() {
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self.runWolfgangLorenzTest("inxn")
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self.runWolfgangLorenzTest("inyn")
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self.runWolfgangLorenzTest("dexn")
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self.runWolfgangLorenzTest("deyn")
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self.runWolfgangLorenzTest("incz")
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self.runWolfgangLorenzTest("inczx")
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self.runWolfgangLorenzTest("inca")
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self.runWolfgangLorenzTest("incax")
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self.runWolfgangLorenzTest("decz")
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self.runWolfgangLorenzTest("deczx")
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self.runWolfgangLorenzTest("deca")
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self.runWolfgangLorenzTest("decax")
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}
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func testWolfgangLorenzASL() {
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self.runWolfgangLorenzTest("asl", suffixes: ["n", "z", "zx", "a", "ax"])
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}
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func testWolfgangLorenzLSR() {
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self.runWolfgangLorenzTest("lsr", suffixes: ["n", "z", "zx", "a", "ax"])
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}
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func testWolfgangLorenzROL() {
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self.runWolfgangLorenzTest("rol", suffixes: ["n", "z", "zx", "a", "ax"])
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}
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func testWolfgangLorenzROR() {
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self.runWolfgangLorenzTest("ror", suffixes: ["n", "z", "zx", "a", "ax"])
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}
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func testWolfgangLorenzAND() {
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self.runWolfgangLorenzTest("and", suffixes: ["b", "z", "zx", "a", "ax", "ay", "ix", "iy"])
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}
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func testWolfgangLorenzORA() {
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self.runWolfgangLorenzTest("ora", suffixes: ["b", "z", "zx", "a", "ax", "ay", "ix", "iy"])
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}
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func testWolfgangLorenzEOR() {
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self.runWolfgangLorenzTest("eor", suffixes: ["b", "z", "zx", "a", "ax", "ay", "ix", "iy"])
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}
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func testWolfgangLorenzFlagManipulation() {
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self.runWolfgangLorenzTest("clcn")
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self.runWolfgangLorenzTest("secn")
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self.runWolfgangLorenzTest("cldn")
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self.runWolfgangLorenzTest("sedn")
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self.runWolfgangLorenzTest("clin")
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self.runWolfgangLorenzTest("sein")
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self.runWolfgangLorenzTest("clvn")
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}
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func testWolfgangLorenzADC() {
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self.runWolfgangLorenzTest("adc", suffixes: ["b", "z", "zx", "a", "ax", "ay", "ix", "iy"])
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}
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func testWolfgangLorenzSBC() {
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self.runWolfgangLorenzTest("sbc", suffixes: ["b", "z", "zx", "a", "ax", "ay", "ix", "iy"])
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}
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func testWolfgangLorenzCompare() {
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self.runWolfgangLorenzTest("cmp", suffixes: ["b", "z", "zx", "a", "ax", "ay", "ix", "iy"])
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self.runWolfgangLorenzTest("cpx", suffixes: ["b", "z", "a"])
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self.runWolfgangLorenzTest("cpy", suffixes: ["b", "z", "a"])
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}
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func testWolfgangLorenzBIT() {
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self.runWolfgangLorenzTest("bit", suffixes: ["z", "a"])
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}
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func testWolfgangLorenzFlow() {
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self.runWolfgangLorenzTest("brkn")
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self.runWolfgangLorenzTest("rtin")
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self.runWolfgangLorenzTest("jsrw")
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self.runWolfgangLorenzTest("rtsn")
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self.runWolfgangLorenzTest("jmpw")
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self.runWolfgangLorenzTest("jmpi")
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}
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func testWolfgangLorenzBranch() {
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self.runWolfgangLorenzTest("beqr")
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self.runWolfgangLorenzTest("bner")
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self.runWolfgangLorenzTest("bmir")
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self.runWolfgangLorenzTest("bplr")
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self.runWolfgangLorenzTest("bcsr")
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self.runWolfgangLorenzTest("bccr")
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self.runWolfgangLorenzTest("bvsr")
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self.runWolfgangLorenzTest("bvcr")
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}
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func testWolfgangLorenzNOP() {
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self.runWolfgangLorenzTest("nop", suffixes: ["n", "b", "z", "zx", "a", "ax"])
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}
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func testWolfgangLorenzASO() {
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self.runWolfgangLorenzTest("aso", suffixes: ["z", "zx", "a", "ax", "ay", "ix", "iy"])
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}
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func testWolfgangLorenzRLA() {
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self.runWolfgangLorenzTest("rla", suffixes: ["z", "zx", "a", "ax", "ay", "ix", "iy"])
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}
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func testWolfgangLorenzLSE() {
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self.runWolfgangLorenzTest("lse", suffixes: ["z", "zx", "a", "ax", "ay", "ix", "iy"])
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}
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func testWolfgangLorenzRRA() {
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self.runWolfgangLorenzTest("rra", suffixes: ["z", "zx", "a", "ax", "ay", "ix", "iy"])
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}
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func testWolfgangLorenzDCM() {
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self.runWolfgangLorenzTest("dcm", suffixes: ["z", "zx", "a", "ax", "ay", "ix", "iy"])
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}
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func testWolfgangLorenzINS() {
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self.runWolfgangLorenzTest("ins", suffixes: ["z", "zx", "a", "ax", "ay", "ix", "iy"])
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}
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func testWolfgangLorenzLAX() {
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self.runWolfgangLorenzTest("lax", suffixes: ["z", "zy", "a", "ay", "ix", "iy"])
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}
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func testWolfgangLorenzAXS() {
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self.runWolfgangLorenzTest("axs", suffixes: ["z", "zy", "a", "ix"])
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}
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func testWolfgangLorenzALR() {
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self.runWolfgangLorenzTest("alrb")
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}
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func testWolfgangLorenzARR() {
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self.runWolfgangLorenzTest("arrb")
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}
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func testWolfgangLorenzSBX() {
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self.runWolfgangLorenzTest("sbxb")
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}
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func testWolfgangLorenzSHA() {
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self.runWolfgangLorenzTest("sha", suffixes: ["ay", "iy"])
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}
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func testWolfgangLorenzSHX() {
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self.runWolfgangLorenzTest("shxay")
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}
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func testWolfgangLorenzSHY() {
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self.runWolfgangLorenzTest("shyax")
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}
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func testWolfgangLorenzSHS() {
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self.runWolfgangLorenzTest("shsay")
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}
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func testWolfgangLorenzLXA() {
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self.runWolfgangLorenzTest("lxab")
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}
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func testWolfgangLorenzANE() {
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self.runWolfgangLorenzTest("aneb")
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}
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func testWolfgangLorenzANC() {
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self.runWolfgangLorenzTest("ancb")
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}
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func testWolfgangLorenzLAS() {
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self.runWolfgangLorenzTest("lasay")
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}
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func testWolfgangLorenzSBCB() {
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self.runWolfgangLorenzTest("sbcb(eb)")
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}
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fileprivate func runWolfgangLorenzTest(_ name: String, suffixes: [String]) {
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for suffix in suffixes {
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let testName = name + suffix
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self.runWolfgangLorenzTest(testName)
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}
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}
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fileprivate var output: String = ""
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fileprivate func runWolfgangLorenzTest(_ name: String) {
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var machine: CSTestMachine6502!
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if let filename = Bundle(for: type(of: self)).path(forResource: name, ofType: nil) {
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if let testData = try? Data(contentsOf: URL(fileURLWithPath: filename)) {
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machine = CSTestMachine6502()
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machine.trapHandler = self
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// machine.logActivity = true
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output = ""
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let dataPointer = (testData as NSData).bytes.bindMemory(to: UInt8.self, capacity: testData.count)
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let loadAddress = UInt16(dataPointer[0]) | (UInt16(dataPointer[1]) << 8)
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let contents = testData.subdata(in: 2..<(testData.count - 2))
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machine.setData(contents, atAddress: loadAddress)
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machine.setValue(0x00, forAddress: 0x0002)
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machine.setValue(0x00, forAddress: 0xa002)
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machine.setValue(0x80, forAddress: 0xa003)
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machine.setValue(0xff, forAddress: 0x01fe)
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machine.setValue(0x7f, forAddress: 0x01ff)
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machine.setValue(0x48, forAddress: 0xfffe)
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machine.setValue(0xff, forAddress: 0xffff)
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let irqHandler = Data(bytes: UnsafePointer<UInt8>([
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0x48, 0x8a, 0x48, 0x98, 0x48, 0xba, 0xbd, 0x04, 0x01,
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0x29, 0x10, 0xf0, 0x03, 0x6c, 0x16, 0x03, 0x6c, 0x14, 0x03
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] as [UInt8]), count: 19)
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machine.setData( irqHandler, atAddress: 0xff48)
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machine.addTrapAddress(0xffd2) // print character
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machine.addTrapAddress(0xffe4) // scan keyboard
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machine.addTrapAddress(0x8000) // exit
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machine.addTrapAddress(0xa474) // exit
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machine.setValue(0x60, forAddress:0xffd2) // 0x60 is RTS
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machine.setValue(0x60, forAddress:0xffe4)
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machine.setValue(0x60, forAddress:0x8000)
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machine.setValue(0x60, forAddress:0xa474)
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machine.setValue(CSTestMachine6502JamOpcode, forAddress:0xe16f) // load
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machine.setValue(0x0801, for: CSTestMachine6502Register.programCounter)
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machine.setValue(0xfd, for: CSTestMachine6502Register.stackPointer)
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machine.setValue(0x04, for: CSTestMachine6502Register.flags)
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}
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}
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if machine == nil {
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NSException(name: NSExceptionName(rawValue: "Failed Test"), reason: "Couldn't load file \(name)", userInfo: nil).raise()
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}
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while !machine.isJammed {
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machine.runForNumber(ofCycles: 1000)
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}
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let jammedPC = machine.value(for: CSTestMachine6502Register.lastOperationAddress)
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if jammedPC != 0xe16f {
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let hexAddress = String(format:"%04x", jammedPC)
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NSException(name: NSExceptionName(rawValue: "Failed Test"), reason: "Processor jammed unexpectedly at \(hexAddress)", userInfo: nil).raise()
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}
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}
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// MARK: MachineJamHandler
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func petsciiToString(_ string: String) -> String {
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let petsciiToCharCommon: [String] = [
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"?", "?", "?", "[RUN/STOP]", "?", "[WHT]", "?", "?", "[SHIFT DISABLE]", "[SHIFT ENABLE]", "?", "?", "?", "\r", "[TEXT MODE]", "?",
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"?", "\n", "[RVS ON]", "[HOME]", "[DEL]", "?", "?", "?", "?", "?", "?", "?", "[RED]", "[RIGHT]", "[GRN]", "[BLU]",
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" ", "!", "\"", "#", "$", "%", "&", "'", "(", ")", "*", "+", ",", "-", ".", "/",
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"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ":", ";", "<", "=", ">", "?",
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];
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let petsciiToCharRegular: [String] = [
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"@", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o",
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"p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "[", "£", "]", "↑", "←",
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]
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let petsciiToCharInverse: [String] = [
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"@", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O",
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"P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "[", "£", "]", "↑", "←",
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]
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var result: String = ""
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for character in string.utf16 {
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let charInt: Int = Int(character)
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var stringToAppend = ""
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if charInt&0x7f < petsciiToCharCommon.count {
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stringToAppend = petsciiToCharCommon[charInt&0x7f]
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} else {
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let lookupTable = (charInt > 0x80) ? petsciiToCharInverse : petsciiToCharRegular
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let lookupIndex = (charInt&0x7f) - petsciiToCharCommon.count
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if lookupIndex < lookupTable.count {
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stringToAppend = lookupTable[lookupIndex]
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} else {
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stringToAppend += "!"
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}
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}
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result += stringToAppend
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}
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return result
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}
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func testMachine(_ testMachine: CSTestMachine, didTrapAtAddress address: UInt16) {
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let testMachine6502 = testMachine as! CSTestMachine6502
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switch address {
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case 0xffd2:
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testMachine6502.setValue(0x00, forAddress: 0x030c)
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let character = testMachine6502.value(for: CSTestMachine6502Register.A)
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output.append(Character(UnicodeScalar(character)!))
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case 0xffe4:
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testMachine6502.setValue(0x3, for:CSTestMachine6502Register.A)
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case 0x8000, 0xa474:
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NSException(name: NSExceptionName(rawValue: "Failed test"), reason: self.petsciiToString(output), userInfo: nil).raise()
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case 0x0000:
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NSException(name: NSExceptionName(rawValue: "Failed test"), reason: "Execution hit 0000", userInfo: nil).raise()
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default:
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let hexAddress = String(format:"%04x", address)
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NSException(name: NSExceptionName(rawValue: "Failed Test"), reason: "Processor jammed unexpectedly at \(hexAddress)", userInfo: nil).raise()
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}
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}
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}
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