mirror of
https://github.com/fadden/6502bench.git
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930 lines
40 KiB
C#
930 lines
40 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.ComponentModel;
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using System.Diagnostics;
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using System.IO;
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using System.Text;
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using Asm65;
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using CommonUtil;
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namespace SourceGen.AsmGen {
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#region IGenerator
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/// <summary>
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/// Generate source code compatible with the cc65 assembler (https://github.com/cc65/cc65).
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/// </summary>
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public class GenCc65 : IGenerator {
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private const string ASM_FILE_SUFFIX = "_cc65.S"; // must start with underscore
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private const string CFG_FILE_SUFFIX = "_cc65.cfg"; // ditto
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// IGenerator
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public DisasmProject Project { get; private set; }
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// IGenerator
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public Formatter SourceFormatter { get; private set; }
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// IGenerator
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public AppSettings Settings { get; private set; }
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// IGenerator
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public AssemblerQuirks Quirks { get; private set; }
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// IGenerator
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public LabelLocalizer Localizer { get { return mLocalizer; } }
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// IGenerator
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public int StartOffset { get { return 0; } }
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/// <summary>
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/// Working directory, i.e. where we write our output file(s).
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/// </summary>
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private string mWorkDirectory;
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/// <summary>
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/// If set, long labels get their own line.
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/// </summary>
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private bool mLongLabelNewLine;
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/// <summary>
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/// Output column widths.
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/// </summary>
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private int[] mColumnWidths;
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/// <summary>
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/// Base filename. Typically the project file name without the ".dis65" extension.
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/// </summary>
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private string mFileNameBase;
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/// <summary>
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/// StringBuilder to use when composing a line. Held here to reduce allocations.
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/// </summary>
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private StringBuilder mLineBuilder = new StringBuilder(100);
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/// <summary>
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/// Label localization helper.
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/// </summary>
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private LabelLocalizer mLocalizer;
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/// <summary>
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/// Stream to send the output to.
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/// </summary>
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private StreamWriter mOutStream;
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/// <summary>
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/// The first time we output a high-ASCII string, we generate a macro for it.
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/// </summary>
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private bool mHighAsciiMacroOutput;
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/// <summary>
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/// Address of next byte of output.
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/// </summary>
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private int mNextAddress = -1;
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/// <summary>
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/// True if we've seen an "is relative" flag in a block of address region start directives.
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/// </summary>
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/// <remarks>
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/// The trick with IsRelative is that, if there are multiple arstarts at the same
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/// offset, we need to output some or all of them, starting from the one just before
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/// the first IsRelative start. We probably want to disable the use of Flush and
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/// just generate them as they appear, using the next Flush as the signal to return
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/// to standard behavior.
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/// </remarks>
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bool mIsInRelative = false;
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/// <summary>
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/// Holds detected version of configured assembler.
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/// </summary>
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private CommonUtil.Version mAsmVersion = CommonUtil.Version.NO_VERSION;
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// Interesting versions.
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private static CommonUtil.Version V2_17 = new CommonUtil.Version(2, 17);
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private static CommonUtil.Version V2_18 = new CommonUtil.Version(2, 18);
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// Pseudo-op string constants.
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private static PseudoOp.PseudoOpNames sDataOpNames =
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new PseudoOp.PseudoOpNames(new Dictionary<string, string> {
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{ "EquDirective", "=" },
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{ "VarDirective", ".set" },
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{ "ArStartDirective", ".org" },
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{ "ArEndDirective", ".adrend" }, // on-screen display only
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//RegWidthDirective // .a8, .a16, .i8, .i16
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//DataBankDirective
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{ "DefineData1", ".byte" },
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{ "DefineData2", ".word" },
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{ "DefineData3", ".faraddr" },
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{ "DefineData4", ".dword" },
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{ "DefineBigData2", ".dbyt" },
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//DefineBigData3
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//DefineBigData4
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{ "Fill", ".res" },
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{ "Dense", ".byte" }, // really just just comma-separated bytes
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{ "Uninit", ".res" },
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//Junk
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{ "StrGeneric", ".byte" },
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//StrReverse
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{ "StrNullTerm", ".asciiz" },
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//StrLen8 // TODO(maybe): macro with .strlen?
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//StrLen16
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//StrDci
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});
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// IGenerator
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public void GetDefaultDisplayFormat(out PseudoOp.PseudoOpNames pseudoOps,
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out Formatter.FormatConfig formatConfig) {
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pseudoOps = sDataOpNames;
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formatConfig = new Formatter.FormatConfig();
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SetFormatConfigValues(ref formatConfig);
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}
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// IGenerator
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public void Configure(DisasmProject project, string workDirectory, string fileNameBase,
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AssemblerVersion asmVersion, AppSettings settings) {
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Debug.Assert(project != null);
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Debug.Assert(!string.IsNullOrEmpty(workDirectory));
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Debug.Assert(!string.IsNullOrEmpty(fileNameBase));
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Project = project;
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Quirks = new AssemblerQuirks();
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if (asmVersion != null) {
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mAsmVersion = asmVersion.Version; // Use the actual version.
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} else {
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mAsmVersion = V2_18; // No assembler installed, use default.
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}
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if (mAsmVersion <= V2_17) {
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// cc65 v2.17: https://github.com/cc65/cc65/issues/717
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// see also https://github.com/cc65/cc65/issues/926
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Quirks.BlockMoveArgsReversed = true;
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}
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// cc65 v2.17: https://github.com/cc65/cc65/issues/754
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// still broken in v2.18
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Quirks.NoPcRelBankWrap = true;
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// Special handling for forward references to zero-page labels is required.
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Quirks.SinglePassAssembler = true;
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mWorkDirectory = workDirectory;
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mFileNameBase = fileNameBase;
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Settings = settings;
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mLongLabelNewLine = Settings.GetBool(AppSettings.SRCGEN_LONG_LABEL_NEW_LINE, false);
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AssemblerConfig config = AssemblerConfig.GetConfig(settings,
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AssemblerInfo.Id.Cc65);
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mColumnWidths = (int[])config.ColumnWidths.Clone();
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}
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/// <summary>
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/// Configures the assembler-specific format items.
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/// </summary>
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private void SetFormatConfigValues(ref Formatter.FormatConfig config) {
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config.mOperandWrapLen = 64;
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config.mForceDirectOpcodeSuffix = string.Empty;
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config.mForceAbsOpcodeSuffix = string.Empty;
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config.mForceLongOpcodeSuffix = string.Empty;
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config.mForceDirectOperandPrefix = "z:"; // zero
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config.mForceAbsOperandPrefix = "a:"; // absolute
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config.mForceLongOperandPrefix = "f:"; // far
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config.mEndOfLineCommentDelimiter = ";";
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config.mFullLineCommentDelimiterBase = ";";
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config.mBoxLineCommentDelimiter = ";";
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config.mNonUniqueLabelPrefix = "@";
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config.mCommaSeparatedDense = true;
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config.mExpressionMode = Formatter.FormatConfig.ExpressionMode.Cc65;
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Formatter.DelimiterSet charSet = new Formatter.DelimiterSet();
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charSet.Set(CharEncoding.Encoding.Ascii, Formatter.SINGLE_QUOTE_DELIM);
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charSet.Set(CharEncoding.Encoding.HighAscii,
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new Formatter.DelimiterDef(string.Empty, '\'', '\'', " | $80"));
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config.mCharDelimiters = charSet;
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}
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// IGenerator
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public GenerationResults GenerateSource(BackgroundWorker worker) {
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List<string> pathNames = new List<string>(1);
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string pathName = Path.Combine(mWorkDirectory, mFileNameBase + ASM_FILE_SUFFIX);
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pathNames.Add(pathName);
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string cfgName = Path.Combine(mWorkDirectory, mFileNameBase + CFG_FILE_SUFFIX);
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pathNames.Add(cfgName);
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Formatter.FormatConfig config = new Formatter.FormatConfig();
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GenCommon.ConfigureFormatterFromSettings(Settings, ref config);
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SetFormatConfigValues(ref config);
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SourceFormatter = new Formatter(config);
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string msg = string.Format(Res.Strings.PROGRESS_GENERATING_FMT, pathName);
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worker.ReportProgress(0, msg);
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mLocalizer = new LabelLocalizer(Project);
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mLocalizer.LocalPrefix = "@";
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mLocalizer.QuirkVariablesEndScope = true; // https://github.com/cc65/cc65/issues/938
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mLocalizer.QuirkNoOpcodeMnemonics = true;
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mLocalizer.Analyze();
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// Use UTF-8 encoding, without a byte-order mark.
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using (StreamWriter sw = new StreamWriter(cfgName, false, new UTF8Encoding(false))) {
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GenerateLinkerScript(sw);
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}
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using (StreamWriter sw = new StreamWriter(pathName, false, new UTF8Encoding(false))) {
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mOutStream = sw;
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if (Settings.GetBool(AppSettings.SRCGEN_ADD_IDENT_COMMENT, false)) {
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OutputLine(SourceFormatter.FullLineCommentDelimiter +
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string.Format(Res.Strings.GENERATED_FOR_VERSION_FMT,
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"cc65", mAsmVersion,
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AsmCc65.OPTIONS + " -C " + Path.GetFileName(cfgName)));
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}
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GenCommon.Generate(this, sw, worker);
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}
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mOutStream = null;
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return new GenerationResults(pathNames, string.Empty);
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}
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private void GenerateLinkerScript(StreamWriter sw) {
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// Use a generic linker script. Note the start address is "%S", which uses the
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// command line argument, with a default value of $0200. If we wanted to support
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// PRG-style files, with the load address output by the assembler, we'd need to
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// add a LOADADDR segment.
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sw.WriteLine("# 6502bench SourceGen generated linker script for " + mFileNameBase);
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sw.WriteLine("MEMORY {");
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sw.WriteLine(" MAIN: file=%O, start=%S, size=65536;");
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sw.WriteLine("}");
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sw.WriteLine("SEGMENTS {");
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sw.WriteLine(" CODE: load=MAIN, type=rw;");
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sw.WriteLine("}");
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sw.WriteLine("FEATURES {}");
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sw.WriteLine("SYMBOLS {}");
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}
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// IGenerator
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public void OutputAsmConfig() {
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CpuDef cpuDef = Project.CpuDef;
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string cpuStr;
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if (cpuDef.Type == CpuDef.CpuType.Cpu65816) {
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cpuStr = "65816";
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} else if (cpuDef.Type == CpuDef.CpuType.Cpu65C02 ||
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cpuDef.Type == CpuDef.CpuType.CpuW65C02) {
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cpuStr = "65C02";
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} else if (cpuDef.Type == CpuDef.CpuType.Cpu6502 && cpuDef.HasUndocumented) {
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cpuStr = "6502X";
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} else {
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cpuStr = "6502";
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}
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OutputLine(string.Empty, SourceFormatter.FormatPseudoOp(".setcpu"),
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'\"' + cpuStr + '\"', string.Empty);
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}
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/// <summary>
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/// Map the undocumented opcodes to the cc65 mnemonics. There's almost no difference
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/// vs. the Unintended Opcodes mnemonics.
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///
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/// We don't include the double- and triple-byte NOPs here, as cc65 doesn't
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/// appear to have a definition for them (as of 2.17). We also omit the alias
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/// for SBC. These will all be output as hex.
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/// </summary>
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private static Dictionary<string, string> sUndocMap = new Dictionary<string, string>() {
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{ OpName.ALR, "alr" }, // imm 0x4b
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{ OpName.ANC, "anc" }, // imm 0x0b (and others)
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{ OpName.ANE, "ane" }, // imm 0x8b
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{ OpName.ARR, "arr" }, // imm 0x6b
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{ OpName.DCP, "dcp" }, // abs 0xcf
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{ OpName.ISC, "isc" }, // abs 0xef
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{ OpName.JAM, "jam" }, // abs 0x02 (and others)
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{ OpName.LAS, "las" }, // abs,y 0xbb
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{ OpName.LAX, "lax" }, // imm 0xab; abs 0xaf
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{ OpName.RLA, "rla" }, // abs 0x2f
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{ OpName.RRA, "rra" }, // abs 0x6f
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{ OpName.SAX, "sax" }, // abs 0x8f
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{ OpName.SBX, "axs" }, //* imm 0xcb
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{ OpName.SHA, "sha" }, // abs,y 0x9f
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{ OpName.SHX, "shx" }, // abs,y 0x9e
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{ OpName.SHY, "shy" }, // abs,x 0x9c
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{ OpName.SLO, "slo" }, // abs 0x0f
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{ OpName.SRE, "sre" }, // abs 0x4f
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{ OpName.TAS, "tas" }, // abs,y 0x9b
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};
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// IGenerator
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public string ModifyOpcode(int offset, OpDef op) {
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if (op == OpDef.OpBRK_StackInt) {
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if (mAsmVersion < V2_18) {
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// cc65 v2.17 assembles BRK <arg> to opcode $05
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// https://github.com/cc65/cc65/issues/716
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return null;
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} else if (Project.CpuDef.Type != CpuDef.CpuType.Cpu65816) {
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// cc65 v2.18 only supports BRK <arg> on 65816 (?!)
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return null;
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} else {
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return string.Empty;
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}
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} else if (op == OpDef.OpWDM_WDM && mAsmVersion < V2_18) {
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// cc65 v2.17 doesn't support WDM
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// https://github.com/cc65/cc65/issues/715
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return null;
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} else if (op.IsUndocumented) {
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if (sUndocMap.TryGetValue(op.Mnemonic, out string newValue)) {
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if ((op.Mnemonic == OpName.ANC && op.Opcode != 0x0b) ||
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(op.Mnemonic == OpName.JAM && op.Opcode != 0x02)) {
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// There are multiple opcodes for the same thing. cc65 outputs
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// one specific thing, so we need to match that, and just do a hex
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// dump for the others.
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return null;
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}
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return newValue;
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}
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// Unmapped values include DOP, TOP, and the alternate SBC. Output hex.
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return null;
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} else {
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return string.Empty;
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}
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}
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// IGenerator
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public FormatDescriptor ModifyInstructionOperandFormat(int offset, FormatDescriptor dfd,
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int operand) {
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return dfd;
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}
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// IGenerator
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public void UpdateCharacterEncoding(FormatDescriptor dfd) { }
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// IGenerator
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public void GenerateShortSequence(int offset, int length, out string opcode,
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out string operand) {
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Debug.Assert(length >= 1 && length <= 4);
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// Use a comma-separated list of individual hex bytes.
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opcode = sDataOpNames.DefineData1;
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StringBuilder sb = new StringBuilder(length * 4);
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for (int i = 0; i < length; i++) {
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if (i != 0) {
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sb.Append(',');
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}
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sb.Append(SourceFormatter.FormatHexValue(Project.FileData[offset + i], 2));
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}
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operand = sb.ToString();
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}
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// IGenerator
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public void OutputDataOp(int offset) {
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Formatter formatter = SourceFormatter;
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byte[] data = Project.FileData;
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Anattrib attr = Project.GetAnattrib(offset);
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string labelStr = string.Empty;
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if (attr.Symbol != null) {
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labelStr = mLocalizer.ConvLabel(attr.Symbol.Label);
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}
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string commentStr = SourceFormatter.FormatEolComment(Project.Comments[offset]);
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string opcodeStr, operandStr;
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FormatDescriptor dfd = attr.DataDescriptor;
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Debug.Assert(dfd != null);
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int length = dfd.Length;
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Debug.Assert(length > 0);
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bool multiLine = false;
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switch (dfd.FormatType) {
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case FormatDescriptor.Type.Default:
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if (length != 1) {
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Debug.Assert(false);
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length = 1;
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}
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opcodeStr = sDataOpNames.DefineData1;
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int operand = RawData.GetWord(data, offset, length, false);
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operandStr = formatter.FormatHexValue(operand, length * 2);
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break;
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case FormatDescriptor.Type.NumericLE:
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opcodeStr = sDataOpNames.GetDefineData(length);
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operand = RawData.GetWord(data, offset, length, false);
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operandStr = PseudoOp.FormatNumericOperand(formatter, Project.SymbolTable,
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mLocalizer.LabelMap, dfd, operand, length,
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PseudoOp.FormatNumericOpFlags.OmitLabelPrefixSuffix);
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break;
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case FormatDescriptor.Type.NumericBE:
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opcodeStr = sDataOpNames.GetDefineBigData(length);
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if ((string.IsNullOrEmpty(opcodeStr))) {
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// Nothing defined, output as comma-separated single-byte values.
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GenerateShortSequence(offset, length, out opcodeStr, out operandStr);
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} else {
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operand = RawData.GetWord(data, offset, length, true);
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operandStr = PseudoOp.FormatNumericOperand(formatter, Project.SymbolTable,
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mLocalizer.LabelMap, dfd, operand, length,
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PseudoOp.FormatNumericOpFlags.OmitLabelPrefixSuffix);
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}
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break;
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case FormatDescriptor.Type.Fill:
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opcodeStr = sDataOpNames.Fill;
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operandStr = length + "," + formatter.FormatHexValue(data[offset], 2);
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break;
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case FormatDescriptor.Type.Dense:
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multiLine = true;
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opcodeStr = operandStr = null;
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OutputDenseHex(offset, length, labelStr, commentStr);
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break;
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case FormatDescriptor.Type.Uninit:
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case FormatDescriptor.Type.Junk:
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// The ca65 .align directive has a dependency on the alignment of the
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// segment as a whole. We're not currently declaring multiple segments,
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// so we can't use .align without generating complaints.
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int fillVal = Helper.CheckRangeHoldsSingleValue(data, offset, length);
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if (fillVal >= 0 && (length > 1 || fillVal == 0x00)) {
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// If multi-byte, or single byte and zero, treat same as Fill.
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opcodeStr = sDataOpNames.Fill;
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operandStr = length + "," + formatter.FormatHexValue(fillVal, 2);
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} else {
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// treat same as Dense
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multiLine = true;
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opcodeStr = operandStr = null;
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OutputDenseHex(offset, length, labelStr, commentStr);
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}
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break;
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case FormatDescriptor.Type.StringGeneric:
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case FormatDescriptor.Type.StringReverse:
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case FormatDescriptor.Type.StringNullTerm:
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case FormatDescriptor.Type.StringL8:
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case FormatDescriptor.Type.StringL16:
|
|
case FormatDescriptor.Type.StringDci:
|
|
multiLine = true;
|
|
opcodeStr = operandStr = null;
|
|
OutputString(offset, labelStr, commentStr);
|
|
break;
|
|
default:
|
|
opcodeStr = "???";
|
|
operandStr = "***";
|
|
break;
|
|
}
|
|
|
|
if (!multiLine) {
|
|
opcodeStr = formatter.FormatPseudoOp(opcodeStr);
|
|
OutputLine(labelStr, opcodeStr, operandStr, commentStr);
|
|
}
|
|
}
|
|
|
|
private void OutputDenseHex(int offset, int length, string labelStr, string commentStr) {
|
|
Formatter formatter = SourceFormatter;
|
|
byte[] data = Project.FileData;
|
|
int maxPerLine = formatter.OperandWrapLen / formatter.CharsPerDenseByte;
|
|
|
|
string opcodeStr = formatter.FormatPseudoOp(sDataOpNames.Dense);
|
|
for (int i = 0; i < length; i += maxPerLine) {
|
|
int subLen = length - i;
|
|
if (subLen > maxPerLine) {
|
|
subLen = maxPerLine;
|
|
}
|
|
string operandStr = formatter.FormatDenseHex(data, offset + i, subLen);
|
|
|
|
OutputLine(labelStr, opcodeStr, operandStr, commentStr);
|
|
labelStr = commentStr = string.Empty;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Outputs formatted data in an unformatted way, because the code generator couldn't
|
|
/// figure out how to do something better.
|
|
/// </summary>
|
|
private void OutputNoJoy(int offset, int length, string labelStr, string commentStr) {
|
|
byte[] data = Project.FileData;
|
|
Debug.Assert(length > 0);
|
|
Debug.Assert(offset >= 0 && offset < data.Length);
|
|
|
|
bool singleValue = true;
|
|
byte val = data[offset];
|
|
for (int i = 1; i < length; i++) {
|
|
if (data[offset + i] != val) {
|
|
singleValue = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (singleValue && length > 1) {
|
|
string opcodeStr = SourceFormatter.FormatPseudoOp(sDataOpNames.Fill);
|
|
string operandStr = length + "," + SourceFormatter.FormatHexValue(val, 2);
|
|
OutputLine(labelStr, opcodeStr, operandStr, commentStr);
|
|
} else {
|
|
OutputDenseHex(offset, length, labelStr, commentStr);
|
|
}
|
|
}
|
|
|
|
// IGenerator
|
|
public void OutputEquDirective(string name, string valueStr, string comment) {
|
|
OutputLine(name, SourceFormatter.FormatPseudoOp(sDataOpNames.EquDirective),
|
|
valueStr, SourceFormatter.FormatEolComment(comment));
|
|
}
|
|
|
|
// IGenerator
|
|
public void OutputLocalVariableTable(int offset, List<DefSymbol> newDefs,
|
|
LocalVariableTable allDefs) {
|
|
foreach (DefSymbol defSym in newDefs) {
|
|
// Use an operand length of 1 so values are shown as concisely as possible.
|
|
string valueStr = PseudoOp.FormatNumericOperand(SourceFormatter,
|
|
Project.SymbolTable, null, defSym.DataDescriptor, defSym.Value, 1,
|
|
PseudoOp.FormatNumericOpFlags.OmitLabelPrefixSuffix);
|
|
OutputLine(SourceFormatter.FormatVariableLabel(defSym.Label),
|
|
SourceFormatter.FormatPseudoOp(sDataOpNames.VarDirective),
|
|
valueStr, SourceFormatter.FormatEolComment(defSym.Comment));
|
|
}
|
|
}
|
|
|
|
// IGenerator
|
|
public void OutputArDirective(CommonUtil.AddressMap.AddressChange change) {
|
|
int nextAddress = change.Address;
|
|
if (nextAddress == Address.NON_ADDR) {
|
|
// Start non-addressable regions at zero to ensure they don't overflow bank.
|
|
nextAddress = 0;
|
|
}
|
|
|
|
if (change.IsStart) {
|
|
AddressMap.AddressRegion region = change.Region;
|
|
if (region.HasValidPreLabel || region.HasValidIsRelative) {
|
|
// Need to output the previous ORG, if one is pending.
|
|
if (mNextAddress >= 0) {
|
|
OutputLine(string.Empty,
|
|
SourceFormatter.FormatPseudoOp(sDataOpNames.ArStartDirective),
|
|
SourceFormatter.FormatHexValue(mNextAddress, 4),
|
|
string.Empty);
|
|
}
|
|
}
|
|
if (region.HasValidPreLabel) {
|
|
string labelStr = mLocalizer.ConvLabel(change.Region.PreLabel);
|
|
OutputLine(labelStr, string.Empty, string.Empty, string.Empty);
|
|
}
|
|
if (region.HasValidIsRelative) {
|
|
// Found a valid IsRelative. Switch to "relative mode" if not there already.
|
|
mIsInRelative = true;
|
|
}
|
|
if (mIsInRelative) {
|
|
// Once we see a region with IsRelative set, we output regions as we
|
|
// find them until the next Flush.
|
|
string addrStr;
|
|
if (region.HasValidIsRelative) {
|
|
int diff = nextAddress - region.PreLabelAddress;
|
|
string pfxStr;
|
|
if (diff >= 0) {
|
|
pfxStr = "*+";
|
|
} else {
|
|
pfxStr = "*-";
|
|
diff = -diff;
|
|
}
|
|
addrStr = pfxStr + SourceFormatter.FormatHexValue(diff, 4);
|
|
} else {
|
|
addrStr = SourceFormatter.FormatHexValue(nextAddress, 4);
|
|
}
|
|
OutputLine(string.Empty,
|
|
SourceFormatter.FormatPseudoOp(sDataOpNames.ArStartDirective),
|
|
addrStr, string.Empty);
|
|
|
|
mNextAddress = -1;
|
|
return;
|
|
}
|
|
}
|
|
|
|
mNextAddress = nextAddress;
|
|
}
|
|
|
|
// IGenerator
|
|
public void FlushArDirectives() {
|
|
// Output pending directives. There will always be something to do here unless
|
|
// we were in "relative" mode.
|
|
Debug.Assert(mNextAddress >= 0 || mIsInRelative);
|
|
if (mNextAddress >= 0) {
|
|
OutputLine(string.Empty,
|
|
SourceFormatter.FormatPseudoOp(sDataOpNames.ArStartDirective),
|
|
SourceFormatter.FormatHexValue(mNextAddress, 4),
|
|
string.Empty);
|
|
}
|
|
mNextAddress = -1;
|
|
mIsInRelative = false;
|
|
}
|
|
|
|
// IGenerator
|
|
public void OutputRegWidthDirective(int offset, int prevM, int prevX, int newM, int newX) {
|
|
if (prevM != newM) {
|
|
string mop = (newM == 0) ? ".a16" : ".a8";
|
|
OutputLine(string.Empty, SourceFormatter.FormatPseudoOp(mop),
|
|
string.Empty, string.Empty);
|
|
}
|
|
if (prevX != newX) {
|
|
string xop = (newX == 0) ? ".i16" : ".i8";
|
|
OutputLine(string.Empty, SourceFormatter.FormatPseudoOp(xop),
|
|
string.Empty, string.Empty);
|
|
}
|
|
}
|
|
|
|
// IGenerator
|
|
public void OutputLine(string fullLine) {
|
|
mOutStream.WriteLine(fullLine);
|
|
}
|
|
|
|
// IGenerator
|
|
public void OutputLine(string label, string opcode, string operand, string comment) {
|
|
// If a label is provided, and it doesn't start with a '.' (indicating that it's
|
|
// a directive), and this isn't an EQU directive, add a ':'. Might be easier to
|
|
// just ".feature labels_without_colons", but I'm trying to do things the way
|
|
// that cc65 users will expect.
|
|
if (!string.IsNullOrEmpty(label) && label[0] != '.' &&
|
|
!string.Equals(opcode, sDataOpNames.EquDirective,
|
|
StringComparison.InvariantCultureIgnoreCase) &&
|
|
!string.Equals(opcode, sDataOpNames.VarDirective,
|
|
StringComparison.InvariantCultureIgnoreCase)) {
|
|
label += ':';
|
|
|
|
if (mLongLabelNewLine && label.Length >= mColumnWidths[0]) {
|
|
mOutStream.WriteLine(label);
|
|
label = string.Empty;
|
|
}
|
|
}
|
|
|
|
mLineBuilder.Clear();
|
|
TextUtil.AppendPaddedString(mLineBuilder, label, 0);
|
|
TextUtil.AppendPaddedString(mLineBuilder, opcode, mColumnWidths[0]);
|
|
TextUtil.AppendPaddedString(mLineBuilder, operand,
|
|
mColumnWidths[0] + mColumnWidths[1]);
|
|
TextUtil.AppendPaddedString(mLineBuilder, comment,
|
|
mColumnWidths[0] + mColumnWidths[1] + mColumnWidths[2]);
|
|
|
|
mOutStream.WriteLine(mLineBuilder.ToString());
|
|
}
|
|
|
|
private void OutputString(int offset, string labelStr, string commentStr) {
|
|
// Normal ASCII strings are straightforward: they're just part of a .byte
|
|
// directive, and can mix with anything else in the .byte.
|
|
//
|
|
// For CString we can use .asciiz, but only if the string fits on one line
|
|
// and doesn't include delimiters. For L8String and L16String we can
|
|
// define simple macros, but their use has a similar restriction. High-ASCII
|
|
// strings also require a macro.
|
|
//
|
|
// We might be able to define a macro for DCI and Reverse as well.
|
|
//
|
|
// The limitation on strings with delimiters arises because (1) I don't see a
|
|
// way to escape them within a string, and (2) the simple macro workarounds
|
|
// only take a single argument, not a comma-separated list of stuff.
|
|
//
|
|
// Some ideas here:
|
|
// https://groups.google.com/forum/#!topic/comp.sys.apple2.programmer/5Wkw8mUPcU0
|
|
|
|
Anattrib attr = Project.GetAnattrib(offset);
|
|
FormatDescriptor dfd = attr.DataDescriptor;
|
|
Debug.Assert(dfd != null);
|
|
Debug.Assert(dfd.IsString);
|
|
Debug.Assert(dfd.Length > 0);
|
|
|
|
CharEncoding.Convert charConv;
|
|
bool isHighAscii = false;
|
|
switch (dfd.FormatSubType) {
|
|
case FormatDescriptor.SubType.Ascii:
|
|
charConv = CharEncoding.ConvertAscii;
|
|
break;
|
|
case FormatDescriptor.SubType.HighAscii:
|
|
if (dfd.FormatType != FormatDescriptor.Type.StringGeneric) {
|
|
OutputNoJoy(offset, dfd.Length, labelStr, commentStr);
|
|
return;
|
|
}
|
|
charConv = CharEncoding.ConvertHighAscii;
|
|
isHighAscii = true;
|
|
break;
|
|
case FormatDescriptor.SubType.C64Petscii:
|
|
case FormatDescriptor.SubType.C64Screen:
|
|
default:
|
|
OutputNoJoy(offset, dfd.Length, labelStr, commentStr);
|
|
return;
|
|
}
|
|
|
|
Formatter formatter = SourceFormatter;
|
|
byte[] data = Project.FileData;
|
|
int leadingBytes = 0;
|
|
int trailingBytes = 0;
|
|
|
|
switch (dfd.FormatType) {
|
|
case FormatDescriptor.Type.StringGeneric:
|
|
case FormatDescriptor.Type.StringReverse:
|
|
case FormatDescriptor.Type.StringDci:
|
|
break;
|
|
case FormatDescriptor.Type.StringNullTerm:
|
|
trailingBytes = 1;
|
|
break;
|
|
case FormatDescriptor.Type.StringL8:
|
|
leadingBytes = 1;
|
|
break;
|
|
case FormatDescriptor.Type.StringL16:
|
|
leadingBytes = 2;
|
|
break;
|
|
default:
|
|
Debug.Assert(false);
|
|
return;
|
|
}
|
|
|
|
StringOpFormatter stropf = new StringOpFormatter(SourceFormatter,
|
|
Formatter.DOUBLE_QUOTE_DELIM, StringOpFormatter.RawOutputStyle.CommaSep, charConv,
|
|
false);
|
|
stropf.FeedBytes(data, offset, dfd.Length - trailingBytes, leadingBytes,
|
|
StringOpFormatter.ReverseMode.Forward);
|
|
|
|
string opcodeStr = formatter.FormatPseudoOp(sDataOpNames.StrGeneric);
|
|
|
|
if (isHighAscii) {
|
|
// Does this fit the narrow definition of what we can do with a macro?
|
|
Debug.Assert(dfd.FormatType == FormatDescriptor.Type.StringGeneric);
|
|
if (stropf.Lines.Count == 1 && !stropf.HasEscapedText) {
|
|
if (!mHighAsciiMacroOutput) {
|
|
mHighAsciiMacroOutput = true;
|
|
// Output a macro for high-ASCII strings.
|
|
//
|
|
// TODO(maybe): the preferred way to do this is apparently
|
|
// ".macpack apple2" to load some standard macros, then e.g.
|
|
// scrcode "My high-ASCII string". The macro takes 9 arguments and
|
|
// recognizes characters and numbers, so it should be possible to
|
|
// mix strings, string delimiters, and control chars so long as the
|
|
// argument count is not exceeded.
|
|
OutputLine(".macro", "HiAscii", "Arg", string.Empty);
|
|
OutputLine(string.Empty, ".repeat", ".strlen(Arg), I", string.Empty);
|
|
OutputLine(string.Empty, ".byte", ".strat(Arg, I) | $80", string.Empty);
|
|
OutputLine(string.Empty, ".endrep", string.Empty, string.Empty);
|
|
OutputLine(".endmacro", string.Empty, string.Empty, string.Empty);
|
|
}
|
|
opcodeStr = formatter.FormatPseudoOp("HiAscii");
|
|
} else {
|
|
// didn't work out, dump hex
|
|
OutputNoJoy(offset, dfd.Length, labelStr, commentStr);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (dfd.FormatType == FormatDescriptor.Type.StringNullTerm) {
|
|
if (stropf.Lines.Count == 1 && !stropf.HasEscapedText) {
|
|
// Keep it.
|
|
opcodeStr = sDataOpNames.StrNullTerm;
|
|
} else {
|
|
// Didn't fit, so re-emit it, this time with the terminating null byte.
|
|
stropf.Reset();
|
|
stropf.FeedBytes(data, offset, dfd.Length, leadingBytes,
|
|
StringOpFormatter.ReverseMode.Forward);
|
|
}
|
|
}
|
|
|
|
foreach (string str in stropf.Lines) {
|
|
OutputLine(labelStr, opcodeStr, str, commentStr);
|
|
labelStr = commentStr = string.Empty; // only show on first
|
|
}
|
|
}
|
|
}
|
|
|
|
#endregion IGenerator
|
|
|
|
|
|
#region IAssembler
|
|
|
|
/// <summary>
|
|
/// Cross-assembler execution interface.
|
|
/// </summary>
|
|
public class AsmCc65 : IAssembler {
|
|
// Fixed options. "--target none" is needed to neutralize the character encoding,
|
|
// which seems to default to PETSCII.
|
|
public const string OPTIONS = "--target none";
|
|
|
|
// Paths from generator.
|
|
private List<string> mPathNames;
|
|
|
|
// Directory to make current before executing assembler.
|
|
private string mWorkDirectory;
|
|
|
|
|
|
// IAssembler
|
|
public void GetExeIdentifiers(out string humanName, out string exeName) {
|
|
humanName = "cc65 CL";
|
|
exeName = "cl65";
|
|
}
|
|
|
|
// IAssembler
|
|
public AssemblerConfig GetDefaultConfig() {
|
|
return new AssemblerConfig(string.Empty, new int[] { 9, 8, 11, 72 });
|
|
}
|
|
|
|
// IAssembler
|
|
public AssemblerVersion QueryVersion() {
|
|
AssemblerConfig config =
|
|
AssemblerConfig.GetConfig(AppSettings.Global, AssemblerInfo.Id.Cc65);
|
|
if (config == null || string.IsNullOrEmpty(config.ExecutablePath)) {
|
|
return null;
|
|
}
|
|
|
|
ShellCommand cmd = new ShellCommand(config.ExecutablePath, "--version",
|
|
Directory.GetCurrentDirectory(), null);
|
|
cmd.Execute();
|
|
if (string.IsNullOrEmpty(cmd.Stdout)) {
|
|
return null;
|
|
}
|
|
|
|
// Windows - Stderr: "cl65.exe V2.17\r\n"
|
|
// Linux - Stderr: "cl65 V2.17 - Git N/A\n"
|
|
// Other platforms may not have the ".exe". Find first occurrence of " V".
|
|
|
|
const string PREFIX = " V";
|
|
string str = cmd.Stderr;
|
|
int start = str.IndexOf(PREFIX);
|
|
int end = (start < 0) ? -1 : str.IndexOfAny(new char[] { ' ', '\r', '\n' }, start + 1);
|
|
|
|
if (start < 0 || end < 0 || start + PREFIX.Length >= end) {
|
|
Debug.WriteLine("Couldn't find version in " + str);
|
|
return null;
|
|
}
|
|
start += PREFIX.Length;
|
|
string versionStr = str.Substring(start, end - start);
|
|
CommonUtil.Version version = CommonUtil.Version.Parse(versionStr);
|
|
if (!version.IsValid) {
|
|
return null;
|
|
}
|
|
return new AssemblerVersion(versionStr, version);
|
|
}
|
|
|
|
// IAssembler
|
|
public void Configure(GenerationResults results, string workDirectory) {
|
|
// Clone pathNames, in case the caller decides to modify the original.
|
|
mPathNames = CommonUtil.Container.CopyStringList(results.PathNames);
|
|
mWorkDirectory = workDirectory;
|
|
}
|
|
|
|
// IAssembler
|
|
public AssemblerResults RunAssembler(BackgroundWorker worker) {
|
|
Debug.Assert(mPathNames.Count == 2);
|
|
string pathName = StripWorkDirectory(mPathNames[0]);
|
|
string cfgName = StripWorkDirectory(mPathNames[1]);
|
|
|
|
AssemblerConfig config =
|
|
AssemblerConfig.GetConfig(AppSettings.Global, AssemblerInfo.Id.Cc65);
|
|
if (string.IsNullOrEmpty(config.ExecutablePath)) {
|
|
Debug.WriteLine("Assembler not configured");
|
|
return null;
|
|
}
|
|
|
|
string cfgOpt = " -C \"" + cfgName + "\"";
|
|
|
|
worker.ReportProgress(0, Res.Strings.PROGRESS_ASSEMBLING);
|
|
|
|
// Wrap pathname in quotes in case it has spaces.
|
|
// (Do we need to shell-escape quotes in the pathName?)
|
|
ShellCommand cmd = new ShellCommand(config.ExecutablePath,
|
|
OPTIONS + cfgOpt + " \"" + pathName + "\"", mWorkDirectory, null);
|
|
cmd.Execute();
|
|
|
|
// Can't really do anything with a "cancel" request.
|
|
|
|
// Output filename is the input filename without the ".S". Since the filename
|
|
// was generated by us we can be confident in the format.
|
|
string outputFile = mPathNames[0].Substring(0, mPathNames[0].Length - 2);
|
|
|
|
return new AssemblerResults(cmd.FullCommandLine, cmd.ExitCode, cmd.Stdout,
|
|
cmd.Stderr, outputFile);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Reduce input file to a partial path if possible. This is just to make
|
|
/// what we display to the user a little easier to read.
|
|
/// </summary>
|
|
/// <param name="pathName">Full pathname of file.</param>
|
|
/// <returns>Pathname with working directory prefix stripped off.</returns>
|
|
private string StripWorkDirectory(string pathName) {
|
|
if (pathName.StartsWith(mWorkDirectory)) {
|
|
return pathName.Remove(0, mWorkDirectory.Length + 1);
|
|
} else {
|
|
// Unexpected, but shouldn't be a problem.
|
|
Debug.WriteLine("NOTE: source file is not in work directory");
|
|
return pathName;
|
|
}
|
|
}
|
|
}
|
|
|
|
#endregion IAssembler
|
|
}
|