432 lines
15 KiB
C#
432 lines
15 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using Be.Windows.Forms;
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using FastColoredTextBoxNS;
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using Mesen.GUI.Config;
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using Mesen.GUI.Controls;
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using Mesen.GUI.Forms;
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namespace Mesen.GUI.Debugger
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{
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public partial class frmAssembler : BaseForm
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{
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private CpuType _cpuType;
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private int _startAddress;
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private int _blockLength;
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private bool _hasParsingErrors = false;
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private bool _isEditMode = false;
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private bool _startAddressValid = true;
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private string _initialCode = "";
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private int _textVersion = 0;
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private bool _updating = false;
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public frmAssembler(CpuType? cpuType = null, string code = "", int startAddress = 0, int blockLength = 0)
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{
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if(cpuType != null) {
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_cpuType = cpuType.Value;
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} else {
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_cpuType = EmuApi.GetRomInfo().CoprocessorType == CoprocessorType.Gameboy ? CpuType.Gameboy : CpuType.Cpu;
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}
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if(_cpuType == CpuType.Sa1) {
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_cpuType = CpuType.Cpu;
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}
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InitializeComponent();
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txtCode.ForeColor = Color.Black;
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AssemblerConfig cfg = ConfigManager.Config.Debug.Assembler;
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RestoreLocation(cfg.WindowLocation, cfg.WindowSize);
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txtCode.Font = new Font(cfg.FontFamily, cfg.FontSize, cfg.FontStyle);
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txtCode.Zoom = cfg.Zoom;
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UpdateCodeHighlighting();
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_initialCode = code;
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_startAddress = startAddress;
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_blockLength = blockLength;
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ctrlHexBox.Font = new Font(BaseControl.MonospaceFontFamily, 10, FontStyle.Regular);
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ctrlHexBox.SelectionForeColor = Color.White;
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ctrlHexBox.SelectionBackColor = Color.FromArgb(31, 123, 205);
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ctrlHexBox.InfoBackColor = Color.FromArgb(235, 235, 235);
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ctrlHexBox.InfoForeColor = Color.Gray;
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ctrlHexBox.Width = ctrlHexBox.RequiredWidth;
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ctrlHexBox.ByteProvider = new StaticByteProvider(new byte[0]);
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if(_cpuType == CpuType.Gameboy) {
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txtStartAddress.MaxLength = 4;
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txtStartAddress.Text = _startAddress.ToString("X4");
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} else {
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txtStartAddress.Text = _startAddress.ToString("X6");
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}
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}
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private void InitShortcuts()
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{
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mnuIncreaseFontSize.InitShortcut(this, nameof(DebuggerShortcutsConfig.IncreaseFontSize));
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mnuDecreaseFontSize.InitShortcut(this, nameof(DebuggerShortcutsConfig.DecreaseFontSize));
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mnuResetFontSize.InitShortcut(this, nameof(DebuggerShortcutsConfig.ResetFontSize));
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mnuPaste.InitShortcut(this, nameof(DebuggerShortcutsConfig.Paste));
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mnuCopy.InitShortcut(this, nameof(DebuggerShortcutsConfig.Copy));
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mnuCut.InitShortcut(this, nameof(DebuggerShortcutsConfig.Cut));
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mnuSelectAll.InitShortcut(this, nameof(DebuggerShortcutsConfig.SelectAll));
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}
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protected override void OnLoad(EventArgs e)
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{
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base.OnLoad(e);
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if(!string.IsNullOrWhiteSpace(_initialCode)) {
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_isEditMode = true;
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txtCode.Text = _initialCode;
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} else {
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_initialCode = "";
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txtCode.Text = _initialCode;
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}
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txtCode.ClearUndo();
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toolTip.SetToolTip(picSizeWarning, "Warning: The new code exceeds the original code's length." + Environment.NewLine + "Applying this modification will overwrite other portions of the code and potentially cause problems.");
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toolTip.SetToolTip(picStartAddressWarning, "Warning: Start address is invalid. Must be a valid hexadecimal string.");
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UpdateWindow();
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InitShortcuts();
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}
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private void UpdateCodeHighlighting()
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{
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if(txtCode.SyntaxDescriptor != null) {
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SyntaxDescriptor desc = txtCode.SyntaxDescriptor;
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txtCode.SyntaxDescriptor = null;
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txtCode.ClearStylesBuffer();
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desc.Dispose();
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}
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DebuggerInfo cfg = ConfigManager.Config.Debug.Debugger;
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SyntaxDescriptor syntax = new SyntaxDescriptor();
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syntax.styles.Add(new TextStyle(new SolidBrush(cfg.CodeOpcodeColor), Brushes.Transparent, FontStyle.Regular));
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syntax.styles.Add(new TextStyle(new SolidBrush(cfg.CodeLabelDefinitionColor), Brushes.Transparent, FontStyle.Regular));
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syntax.styles.Add(new TextStyle(new SolidBrush(cfg.CodeImmediateColor), Brushes.Transparent, FontStyle.Regular));
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syntax.styles.Add(new TextStyle(new SolidBrush(cfg.CodeAddressColor), Brushes.Transparent, FontStyle.Regular));
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syntax.styles.Add(new TextStyle(new SolidBrush(cfg.CodeCommentColor), Brushes.Transparent, FontStyle.Regular));
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syntax.rules.Add(new RuleDesc() { style = syntax.styles[0], pattern = @"(\n|^)[ \t]*(?<range>[a-zA-Z]{3}[*]{0,1})( |[^:a-zA-Z])" });
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syntax.rules.Add(new RuleDesc() { style = syntax.styles[1], pattern = @"(\n|^)[ \t]*(?<range>[@_a-zA-Z]+[@_a-zA-Z0-9]*):" });
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syntax.rules.Add(new RuleDesc() { style = syntax.styles[1], pattern = @"(\n|^)[ \t]*[a-zA-Z]{3}[ \t]+[(]{0,1}(?<range>[@_a-zA-Z]([@_a-zA-Z0-9])+)" });
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syntax.rules.Add(new RuleDesc() { style = syntax.styles[2], pattern = @"(\n|^)[ \t]*[a-zA-Z]{3}[ \t]+(?<range>#[$]{0,1}([A-Fa-f0-9])+)" });
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syntax.rules.Add(new RuleDesc() { style = syntax.styles[3], pattern = @"(\n|^)[ \t]*[a-zA-Z]{3}[ \t]+[\[(]{0,1}(?<range>([$][A-Fa-f0-9]+)|([0-9]+))[\])]{0,1}[ \t]*(,X|,Y|,x|,y|,s|,s\),y){0,1}[\])]{0,1}" });
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syntax.rules.Add(new RuleDesc() { style = syntax.styles[4], pattern = @"(\n|^)[^\n;]*(?<range>;[^\n]*)" });
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txtCode.SyntaxDescriptor = syntax;
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txtCode.OnTextChanged();
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}
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private bool SizeExceeded
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{
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get { return ctrlHexBox.ByteProvider.Length > _blockLength; }
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}
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private bool IsIdentical
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{
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get
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{
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if(ctrlHexBox.ByteProvider.Length != _blockLength) {
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return false;
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} else {
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for(int i = 0; i < ctrlHexBox.ByteProvider.Length; i++) {
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if(DebugApi.GetMemoryValue(_cpuType.ToMemoryType(), (UInt32)(_startAddress + i)) != ctrlHexBox.ByteProvider.ReadByte(i)) {
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return false;
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}
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}
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return true;
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}
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}
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}
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private void UpdateWindow()
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{
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if(!this.IsHandleCreated) {
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return;
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}
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btnOk.Enabled = false;
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_textVersion++;
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if(_updating) {
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return;
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}
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_updating = true;
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string text = txtCode.Text;
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int version = _textVersion;
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Task.Run(() => {
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short[] byteCode = DebugApi.AssembleCode(_cpuType, text, (UInt32)_startAddress);
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this.BeginInvoke((Action)(() => {
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_updating = false;
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if(_textVersion != version) {
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UpdateWindow();
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}
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List<byte> convertedByteCode = new List<byte>();
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List<ErrorDetail> errorList = new List<ErrorDetail>();
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string[] codeLines = text.Replace("\r", "").Split('\n');
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int line = 1;
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foreach(short s in byteCode) {
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if(s >= 0) {
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convertedByteCode.Add((byte)s);
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} else if(s == (int)AssemblerSpecialCodes.EndOfLine) {
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line++;
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} else if(s < (int)AssemblerSpecialCodes.EndOfLine) {
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string message = "unknown error";
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switch((AssemblerSpecialCodes)s) {
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case AssemblerSpecialCodes.ParsingError: message = "Invalid syntax"; break;
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case AssemblerSpecialCodes.OutOfRangeJump: message = "Relative jump is out of range (-128 to 127)"; break;
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case AssemblerSpecialCodes.LabelRedefinition: message = "Cannot redefine an existing label"; break;
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case AssemblerSpecialCodes.MissingOperand: message = "Operand is missing"; break;
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case AssemblerSpecialCodes.OperandOutOfRange: message = "Operand is out of range (invalid value)"; break;
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case AssemblerSpecialCodes.InvalidHex: message = "Hexadecimal string is invalid"; break;
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case AssemblerSpecialCodes.InvalidSpaces: message = "Operand cannot contain spaces"; break;
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case AssemblerSpecialCodes.TrailingText: message = "Invalid text trailing at the end of line"; break;
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case AssemblerSpecialCodes.UnknownLabel: message = "Unknown label"; break;
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case AssemblerSpecialCodes.InvalidInstruction: message = "Invalid instruction"; break;
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case AssemblerSpecialCodes.InvalidBinaryValue: message = "Invalid binary value"; break;
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case AssemblerSpecialCodes.InvalidOperands: message = "Invalid operands for instruction"; break;
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case AssemblerSpecialCodes.InvalidLabel: message = "Invalid label name"; break;
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}
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errorList.Add(new ErrorDetail() { Message = message + " - " + codeLines[line-1], LineNumber = line });
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line++;
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}
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}
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_hasParsingErrors = errorList.Count > 0;
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lstErrors.BeginUpdate();
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lstErrors.Items.Clear();
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lstErrors.Items.AddRange(errorList.ToArray());
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lstErrors.EndUpdate();
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ctrlHexBox.ByteProvider = new StaticByteProvider(convertedByteCode.ToArray());
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UpdateButtons();
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}));
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});
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}
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private void UpdateButtons()
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{
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if(_isEditMode) {
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lblByteUsage.Text = ctrlHexBox.ByteProvider.Length.ToString() + " / " + _blockLength.ToString();
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lblByteUsage.ForeColor = SizeExceeded ? Color.Red : Color.Black;
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picSizeWarning.Visible = SizeExceeded;
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bool isIdentical = IsIdentical;
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lblNoChanges.Visible = isIdentical;
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btnOk.Image = _hasParsingErrors || SizeExceeded ? Properties.Resources.Warning : null;
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btnOk.Enabled = !isIdentical && _startAddressValid && ctrlHexBox.ByteProvider.Length > 0;
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} else {
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lblNoChanges.Visible = false;
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btnOk.Image = _hasParsingErrors ? Properties.Resources.Warning : null;
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btnOk.Enabled = _startAddressValid && ctrlHexBox.ByteProvider.Length > 0;
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lblByteUsage.Text = ctrlHexBox.ByteProvider.Length.ToString();
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}
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picStartAddressWarning.Visible = !_startAddressValid;
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}
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private void txtCode_TextChanged(object sender, FastColoredTextBoxNS.TextChangedEventArgs e)
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{
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UpdateWindow();
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}
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private void txtStartAddress_TextChanged(object sender, EventArgs e)
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{
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try {
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_startAddress = int.Parse(txtStartAddress.Text, System.Globalization.NumberStyles.HexNumber);
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_startAddressValid = true;
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} catch {
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_startAddressValid = false;
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}
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UpdateWindow();
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}
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private void btnOk_Click(object sender, EventArgs e)
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{
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List<string> warningMessages = new List<string>();
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if(_hasParsingErrors) {
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warningMessages.Add("Warning: The code contains parsing errors - lines with errors will be ignored.");
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}
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if(_isEditMode) {
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if(SizeExceeded) {
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warningMessages.Add("Warning: The new code exceeds the original code's length." + Environment.NewLine + "Applying this modification will overwrite other portions of the code and potentially cause problems.");
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}
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} else {
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warningMessages.Add($"Warning: The contents currently mapped to CPU memory addresses ${_startAddress.ToString("X6")} to ${(_startAddress+ctrlHexBox.ByteProvider.Length).ToString("X6")} will be overridden.");
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}
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if(warningMessages.Count == 0 || MessageBox.Show(string.Join(Environment.NewLine+Environment.NewLine, warningMessages.ToArray()) + Environment.NewLine + Environment.NewLine + "OK?", "Warning", MessageBoxButtons.OKCancel) == DialogResult.OK) {
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List<byte> bytes = new List<byte>(((StaticByteProvider)ctrlHexBox.ByteProvider).Bytes);
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int byteGap = (int)(_blockLength - ctrlHexBox.ByteProvider.Length);
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for(int i = 0; i < byteGap; i++) {
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//Pad data with NOPs as needed
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bytes.Add(0xEA);
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}
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SnesMemoryType memType;
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SnesMemoryType prgType;
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if(_cpuType == CpuType.Gameboy) {
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memType = SnesMemoryType.GameboyMemory;
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prgType = SnesMemoryType.GbPrgRom;
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} else {
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memType = SnesMemoryType.CpuMemory;
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prgType = SnesMemoryType.PrgRom;
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}
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DebugApi.SetMemoryValues(memType, (UInt32)_startAddress, bytes.ToArray(), bytes.Count);
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AddressInfo absStart = DebugApi.GetAbsoluteAddress(new AddressInfo() { Address = _startAddress, Type = memType });
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AddressInfo absEnd = DebugApi.GetAbsoluteAddress(new AddressInfo() { Address = _startAddress + bytes.Count, Type = memType });
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if(absStart.Type == prgType && absEnd.Type == prgType && (absEnd.Address - absStart.Address) == bytes.Count) {
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DebugApi.MarkBytesAs(_cpuType, (uint)absStart.Address, (uint)absEnd.Address, CdlFlags.Code);
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}
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frmDebugger debugger = DebugWindowManager.OpenDebugger(_cpuType);
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if(debugger != null) {
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debugger.RefreshDisassembly();
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}
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this.DialogResult = DialogResult.OK;
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this.Close();
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}
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}
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private void btnCancel_Click(object sender, EventArgs e)
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{
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this.Close();
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}
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protected override void OnClosing(CancelEventArgs e)
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{
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if(_updating) {
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e.Cancel = true;
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return;
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}
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base.OnClosing(e);
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AssemblerConfig cfg = ConfigManager.Config.Debug.Assembler;
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cfg.WindowSize = this.WindowState != FormWindowState.Normal ? this.RestoreBounds.Size : this.Size;
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cfg.WindowLocation = this.WindowState != FormWindowState.Normal ? this.RestoreBounds.Location : this.Location;
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cfg.Zoom = txtCode.Zoom;
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cfg.FontFamily = txtCode.OriginalFont.FontFamily.Name;
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cfg.FontSize = txtCode.OriginalFont.Size;
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cfg.FontStyle = txtCode.OriginalFont.Style;
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ConfigManager.ApplyChanges();
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}
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private void mnuClose_Click(object sender, EventArgs e)
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{
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this.Close();
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}
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private void mnuConfigureColors_Click(object sender, EventArgs e)
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{
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using(frmDebuggerColors frm = new frmDebuggerColors()) {
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if(frm.ShowDialog(this, this) == DialogResult.OK) {
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UpdateCodeHighlighting();
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}
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}
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}
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private void mnuIncreaseFontSize_Click(object sender, EventArgs e)
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{
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txtCode.Zoom += 10;
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}
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private void mnuDecreaseFontSize_Click(object sender, EventArgs e)
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{
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txtCode.Zoom -= 10;
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}
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private void mnuResetFontSize_Click(object sender, EventArgs e)
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{
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txtCode.Zoom = 100;
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}
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private void mnuSelectFont_Click(object sender, EventArgs e)
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{
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txtCode.Font = FontDialogHelper.SelectFont(txtCode.OriginalFont);
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txtCode.Zoom = txtCode.Zoom;
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}
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private void mnuCopy_Click(object sender, EventArgs e)
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{
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txtCode.Copy();
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}
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private void mnuCut_Click(object sender, EventArgs e)
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{
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txtCode.Cut();
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}
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private void mnuPaste_Click(object sender, EventArgs e)
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{
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txtCode.Paste();
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}
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private void mnuSelectAll_Click(object sender, EventArgs e)
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{
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txtCode.SelectAll();
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}
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enum AssemblerSpecialCodes
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{
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OK = 0,
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EndOfLine = -1,
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ParsingError = -2,
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OutOfRangeJump = -3,
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LabelRedefinition = -4,
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MissingOperand = -5,
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OperandOutOfRange = -6,
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InvalidHex = -7,
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InvalidSpaces = -8,
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TrailingText = -9,
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UnknownLabel = -10,
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InvalidInstruction = -11,
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InvalidBinaryValue = -12,
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InvalidOperands = -13,
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InvalidLabel = -14,
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}
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private void lstErrors_DoubleClick(object sender, EventArgs e)
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{
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if(lstErrors.SelectedItem != null) {
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int lineNumber = (lstErrors.SelectedItem as ErrorDetail).LineNumber;
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txtCode.Selection = txtCode.GetLine(lineNumber - 1);
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txtCode.SelectionLength = 0;
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txtCode.DoCaretVisible();
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txtCode.Focus();
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}
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}
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private class ErrorDetail
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{
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public string Message { get; set; }
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public int LineNumber { get; set; }
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public override string ToString()
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{
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return "Line " + LineNumber.ToString() + ": " + this.Message;
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}
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}
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}
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}
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