160 lines
6.7 KiB
Java
160 lines
6.7 KiB
Java
/*
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* AppleCommander - An Apple ][ image utility.
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* Copyright (C) 2019-2022 by Robert Greene and others
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* robgreene at users.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package io.github.applecommander.acx.command;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.util.Optional;
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import java.util.function.BiFunction;
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import java.util.stream.Collectors;
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import com.webcodepro.applecommander.util.AppleUtil;
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import io.github.applecommander.acx.arggroup.CoordinateSelection;
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import io.github.applecommander.acx.base.ReadOnlyDiskImageCommandOptions;
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import io.github.applecommander.acx.converter.IntegerTypeConverter;
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import io.github.applecommander.disassembler.api.Disassembler;
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import io.github.applecommander.disassembler.api.Instruction;
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import io.github.applecommander.disassembler.api.InstructionSet;
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import io.github.applecommander.disassembler.api.mos6502.InstructionSet6502;
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import io.github.applecommander.disassembler.api.sweet16.InstructionSetSWEET16;
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import io.github.applecommander.disassembler.api.switching6502.InstructionSet6502Switching;
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import picocli.CommandLine.ArgGroup;
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import picocli.CommandLine.Command;
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import picocli.CommandLine.Mixin;
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import picocli.CommandLine.Option;
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@Command(name = "dump", description = "Dump a block or sector.", sortOptions = false)
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public class DumpCommand extends ReadOnlyDiskImageCommandOptions {
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@ArgGroup(heading = "%nOutput Selection:%n")
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private OutputSelection output = new OutputSelection();
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@Mixin
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private Options options = new Options();
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@Override
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public int handleCommand() throws Exception {
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byte[] data = options.coordinate.read(disk);
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System.out.println(output.format(options, data));
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return 0;
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}
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public static class OutputSelection {
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private BiFunction<Options,byte[],String> fn = this::formatHexDump;
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public String format(Options options, byte[] data) {
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return fn.apply(options, data);
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}
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@Option(names = "--hex", description = "Hex dump. (default)")
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public void selectHexDump(boolean flag) {
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fn = this::formatHexDump;
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}
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@Option(names = "--disassembly", description = "Disassembly.")
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public void selectDisassembly(boolean flag) {
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fn = this::formatDisassembly;
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}
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public String formatHexDump(Options options, byte[] data) {
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return AppleUtil.getHexDump(data);
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}
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public String formatDisassembly(Options options, byte[] data) {
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// If the offset is given, use that. If not, use 0 except for the boot sector and then use 1.
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int calculatedOffset = options.disassemblerOptions.offset.orElse(options.coordinate.includesBootSector() ? 1 : 0);
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return Disassembler.with(data)
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.startingAddress(options.disassemblerOptions.address)
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.bytesToSkip(calculatedOffset)
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.use(options.disassemblerOptions.instructionSet.get())
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.decode()
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.stream()
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.map(this::formatInstruction)
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.collect(Collectors.joining());
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}
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private String formatInstruction(Instruction instruction) {
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StringWriter sw = new StringWriter();
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PrintWriter pw = new PrintWriter(sw);
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pw.printf("%04X- ", instruction.getAddress());
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byte[] code = instruction.getBytes();
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for (int i=0; i<3; i++) {
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if (i >= code.length) {
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pw.printf(" ");
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} else {
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pw.printf("%02X ", code[i]);
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}
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}
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pw.printf(" %s\n", instruction.formatOperandWithValue());
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return sw.toString();
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}
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}
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public static class Options {
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@ArgGroup(multiplicity = "1", heading = "%nCoordinate Selection:%n")
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private CoordinateSelection coordinate = new CoordinateSelection();
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@ArgGroup(heading = "%nDisassembler Options:%n", exclusive = false)
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private DisassemblerOptions disassemblerOptions = new DisassemblerOptions();
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}
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public static class DisassemblerOptions {
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@Option(names = {"-a", "--address"}, converter = IntegerTypeConverter.class,
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description = "Starting Address.")
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private int address = 0x800;
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@Option(names = {"-o", "--offset"}, converter = IntegerTypeConverter.class,
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description = "Number of bytes to skip into file before disassembling.")
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private Optional<Integer> offset = Optional.empty();
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@ArgGroup(multiplicity = "0..1")
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private InstructionSetSelection instructionSet = new InstructionSetSelection();
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public static class InstructionSetSelection {
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private InstructionSet instructionSet = InstructionSet6502.for6502();
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public InstructionSet get() {
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return this.instructionSet;
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}
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@Option(names = "--6502", description = "MOS 6502. (default)")
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public void select6502(boolean flag) {
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this.instructionSet = InstructionSet6502.for6502();
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}
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@Option(names = { "--65C02" }, description = "WDC 65C02.")
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public void select65C02(boolean flag) {
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this.instructionSet = InstructionSet6502.for65C02();
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}
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@Option(names = { "--6502X" }, description = "MOS 6502 + 'illegal' instructions.")
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public void select6502X(boolean flag) {
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this.instructionSet = InstructionSet6502.for6502withIllegalInstructions();
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}
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@Option(names = { "--SWEET16" }, description = "SWEET16.")
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public void selectSWEET16(boolean flag) {
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this.instructionSet = InstructionSetSWEET16.forSWEET16();
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}
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@Option(names = { "--6502S" }, description = "MOS 6502 with SWEET16 switching.")
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public void select6502Switching(boolean flag) {
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this.instructionSet = InstructionSet6502Switching.withSwitching();
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}
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}
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}
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}
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