wudsn-ide/com.wudsn.ide.hex/src/com/wudsn/ide/hex/parser/AtariDiskImageKFileParser.java
2021-09-18 01:09:46 +02:00

49 lines
1.7 KiB
Java

/**
* Copyright (C) 2009 - 2021 <a href="https://www.wudsn.com" target="_top">Peter Dell</a>
*
* This file is part of WUDSN IDE.
*
* WUDSN IDE 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.
*
* WUDSN IDE 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 WUDSN IDE. If not, see <http://www.gnu.org/licenses/>.
*/
package com.wudsn.ide.hex.parser;
import org.eclipse.jface.viewers.StyledString;
public final class AtariDiskImageKFileParser extends AtariDiskImageParser {
// The offset where the COM file starts in an Atari Disk Image (k-file).
public static final int ATARI_DISK_IMAGE_K_FILE_COM_FILE_OFFSET = 16 + 3 * 128;
@Override
public boolean parse(StyledString contentBuilder) {
if (contentBuilder == null) {
throw new IllegalArgumentException("Parameter 'contentBuilder' must not be null.");
}
boolean error = super.parse(contentBuilder);
// If the disk image is a k-file image, the contained COM file is parsed
// as well.
if (!error) {
// The length of the k-file is stored in $709/$70a.
int length = ATARI_DISK_IMAGE_K_FILE_COM_FILE_OFFSET + fileContent.getByte(0x19)
+ 256 * fileContent.getByte(0x1a);
error = parseAtariCOMFile(contentBuilder, ATARI_DISK_IMAGE_K_FILE_COM_FILE_OFFSET, length);
}
return error;
}
}