AppleCommander/app/cli-acx/src/main/java/io/github/applecommander/acx/command/DumpCommand.java

104 lines
3.9 KiB
Java

/*
* AppleCommander - An Apple ][ image utility.
* Copyright (C) 2019-2022 by Robert Greene and others
* robgreene at users.sourceforge.net
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package io.github.applecommander.acx.command;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.function.BiFunction;
import java.util.stream.Collectors;
import com.webcodepro.applecommander.util.AppleUtil;
import io.github.applecommander.acx.arggroup.CoordinateSelection;
import io.github.applecommander.acx.base.ReadOnlyDiskImageCommandOptions;
import io.github.applecommander.disassembler.api.Disassembler;
import io.github.applecommander.disassembler.api.Instruction;
import io.github.applecommander.disassembler.api.mos6502.InstructionSet6502;
import picocli.CommandLine.ArgGroup;
import picocli.CommandLine.Command;
import picocli.CommandLine.Option;
@Command(name = "dump", description = "Dump a block or sector.")
public class DumpCommand extends ReadOnlyDiskImageCommandOptions {
@ArgGroup(multiplicity = "1", heading = "%nCoordinate Selection:%n")
private CoordinateSelection coordinate = new CoordinateSelection();
@ArgGroup(heading = "%nOutput Selection:%n")
private OutputSelection output = new OutputSelection();
@Option(names = { "-a", "--address" }, description = "Starting address.")
private int address = 0x800;
@Override
public int handleCommand() throws Exception {
byte[] data = coordinate.read(disk);
System.out.println(output.format(address, data));
return 0;
}
public static class OutputSelection {
private BiFunction<Integer,byte[],String> fn = this::formatHexDump;
public String format(int address, byte[] data) {
return fn.apply(address, data);
}
@Option(names = "--hex", description = "Hex dump.")
public void selectHexDump(boolean flag) {
fn = this::formatHexDump;
}
@Option(names = "--disassembly", description = "Disassembly.")
public void selectDisassembly(boolean flag) {
fn = this::formatDisassembly;
}
public String formatHexDump(int address, byte[] data) {
return AppleUtil.getHexDump(address, data);
}
public String formatDisassembly(int address, byte[] data) {
return Disassembler.with(data)
.startingAddress(address)
.use(InstructionSet6502.for6502())
.decode()
.stream()
.map(this::formatInstruction)
.collect(Collectors.joining());
}
private String formatInstruction(Instruction instruction) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
pw.printf("%04X- ", instruction.getAddress());
byte[] code = instruction.getBytes();
for (int i=0; i<3; i++) {
if (i >= code.length) {
pw.printf(" ");
} else {
pw.printf("%02X ", code[i]);
}
}
pw.printf(" %s\n", instruction.formatOperandWithValue());
return sw.toString();
}
}
}