mirror of
https://github.com/fadden/6502bench.git
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0d164e1719
Relative branches should display as $xxxx, not $xx.
210 lines
7.8 KiB
C#
210 lines
7.8 KiB
C#
/*
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* Copyright 2019 faddenSoft
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Runtime.CompilerServices;
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using System.Text;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Input;
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using Asm65;
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namespace SourceGen.Tools.WpfGui {
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/// <summary>
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/// CPU instruction chart.
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/// </summary>
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public partial class InstructionChart : Window, INotifyPropertyChanged {
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/// <summary>
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/// Item for CPU selection combo box.
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/// </summary>
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public class CpuItem {
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public string Name { get; private set; }
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public CpuDef.CpuType Type { get; private set; }
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public CpuItem(string name, CpuDef.CpuType type) {
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Name = name;
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Type = type;
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}
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}
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public CpuItem[] CpuItems { get; private set; }
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public bool ShowUndocumented {
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get { return mShowUndocumented; }
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set { mShowUndocumented = value; OnPropertyChanged(); UpdateControls(); }
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}
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private bool mShowUndocumented;
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/// <summary>
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/// Item for main list.
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/// </summary>
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public class InstructionItem {
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public string Opcode { get; private set; }
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public string Sample { get; private set; }
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public string Flags { get; private set; }
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public string Cycles { get; private set; }
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public string ShortDesc { get; private set; }
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public string AddressMode { get; private set; }
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public bool IsUndocumented { get; private set; }
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public InstructionItem(string opcode, string sample, string flags, string cycles,
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string shortDesc, string addrMode, bool isUndoc) {
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Opcode = opcode;
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Sample = sample;
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Flags = flags;
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Cycles = cycles;
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ShortDesc = shortDesc;
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AddressMode = addrMode;
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IsUndocumented = isUndoc;
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}
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}
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public ObservableCollection<InstructionItem> InstructionItems { get; private set; } =
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new ObservableCollection<InstructionItem>();
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private OpDescription mOpDesc = OpDescription.GetOpDescription(null);
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private Formatter mFormatter;
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// INotifyPropertyChanged implementation
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public event PropertyChangedEventHandler PropertyChanged;
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private void OnPropertyChanged([CallerMemberName] string propertyName = "") {
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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}
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/// <summary>
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/// Constructor.
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/// </summary>
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/// <param name="owner">Parent window.</param>
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/// <param name="formatter">Text formatter.</param>
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public InstructionChart(Window owner, Formatter formatter) {
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InitializeComponent();
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Owner = owner;
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DataContext = this;
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mFormatter = formatter;
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CpuItems = new CpuItem[] {
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new CpuItem((string)FindResource("str_6502"), CpuDef.CpuType.Cpu6502),
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new CpuItem((string)FindResource("str_65C02"), CpuDef.CpuType.Cpu65C02),
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new CpuItem((string)FindResource("str_W65C02"), CpuDef.CpuType.CpuW65C02),
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new CpuItem((string)FindResource("str_65816"), CpuDef.CpuType.Cpu65816),
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};
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}
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public void Window_Loaded(object sender, RoutedEventArgs e) {
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// Restore chart settings.
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CpuDef.CpuType type = (CpuDef.CpuType)AppSettings.Global.GetEnum(
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AppSettings.INSTCH_MODE, typeof(CpuDef.CpuType), (int)CpuDef.CpuType.Cpu6502);
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ShowUndocumented = AppSettings.Global.GetBool(AppSettings.INSTCH_SHOW_UNDOC, true);
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int index = 0;
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for (int i = 0; i < CpuItems.Length; i++) {
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if (CpuItems[i].Type == type) {
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index = i;
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break;
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}
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}
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cpuSelectionComboBox.SelectedIndex = index;
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}
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// Catch ESC key.
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private void Window_KeyEventHandler(object sender, KeyEventArgs e) {
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if (e.Key == Key.Escape) {
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Close();
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}
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}
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private void CpuSelectionComboBox_SelectionChanged(object sender,
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SelectionChangedEventArgs e) {
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UpdateControls();
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}
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private void UpdateControls() {
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CpuItem item = (CpuItem)cpuSelectionComboBox.SelectedItem;
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if (item == null) {
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// initializing
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return;
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}
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// Push current choice to settings.
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AppSettings.Global.SetEnum(AppSettings.INSTCH_MODE, typeof(CpuDef.CpuType),
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(int)item.Type);
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AppSettings.Global.SetBool(AppSettings.INSTCH_SHOW_UNDOC, mShowUndocumented);
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// Populate the items source.
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InstructionItems.Clear();
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CpuDef cpuDef = CpuDef.GetBestMatch(item.Type, true, false);
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for (int opc = 0; opc < 256; opc++) {
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OpDef op = cpuDef[opc];
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if (!mShowUndocumented && op.IsUndocumented) {
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continue;
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}
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int instrLen = op.GetLength(StatusFlags.AllIndeterminate);
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if (op.AddrMode == OpDef.AddressMode.PCRel) {
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// Single-byte branch instructions are formatted with a 16-bit
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// absolute addres.
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instrLen = 3;
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}
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string sampleValue = "$12";
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if (op.AddrMode == OpDef.AddressMode.BlockMove) {
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sampleValue = "#$12,#$34";
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} else if (op.AddrMode == OpDef.AddressMode.DPPCRel) {
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sampleValue = "$12,$1234";
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} else if (instrLen == 3) {
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sampleValue = "$1234";
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} else if (instrLen == 4) {
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sampleValue = "$123456";
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}
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string instrSample = mFormatter.FormatMnemonic(op.Mnemonic,
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OpDef.WidthDisambiguation.None) + " " +
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mFormatter.FormatOperand(op, sampleValue, OpDef.WidthDisambiguation.None);
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StringBuilder flags = new StringBuilder(8);
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const string FLAGS = "NVMXDIZC";
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Asm65.StatusFlags affectedFlags = op.FlagsAffected;
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for (int fl = 0; fl < 8; fl++) {
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if (affectedFlags.GetBit((StatusFlags.FlagBits)(7 - fl)) >= 0) {
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flags.Append(FLAGS[fl]);
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} else {
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flags.Append("-");
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}
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}
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string cycles = op.Cycles.ToString();
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OpDef.CycleMod mods = cpuDef.GetOpCycleMod(opc);
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if (mods != 0) {
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cycles += '+';
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}
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InstructionItems.Add(new InstructionItem(mFormatter.FormatHexValue(opc, 2),
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instrSample, flags.ToString(), cycles,
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mOpDesc.GetShortDescription(op.Mnemonic),
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mOpDesc.GetAddressModeDescription(op.AddrMode),
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op.IsUndocumented));
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}
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}
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}
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}
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