Began adding CP/M support.
This commit is contained in:
Robert Greene
parent
60e20e1782
commit
2b51a7469f
1
TODO
1
TODO
|
|
@ -14,6 +14,7 @@ This is the internal list of items that need to be done.
|
|||
- Export
|
||||
- Compile
|
||||
* Added support for Finder Icons File ($CA or "ICN").
|
||||
o Adding CP/M support.
|
||||
|
||||
--- FUTURE 1.3.x ---
|
||||
o Compile of BASIC programs
|
||||
|
|
|
|||
|
|
@ -19,6 +19,8 @@
|
|||
*/
|
||||
package com.webcodepro.applecommander.storage;
|
||||
|
||||
import com.webcodepro.applecommander.storage.cpm.CpmFileEntry;
|
||||
import com.webcodepro.applecommander.storage.cpm.CpmFormatDisk;
|
||||
import com.webcodepro.applecommander.util.AppleUtil;
|
||||
|
||||
import java.io.ByteArrayOutputStream;
|
||||
|
|
@ -195,6 +197,9 @@ public class Disk {
|
|||
} else if (isRdosFormat()) {
|
||||
return new FormattedDisk[]
|
||||
{ new RdosFormatDisk(filename, diskImage) };
|
||||
} else if (isCpmFormat()) {
|
||||
return new FormattedDisk[]
|
||||
{ new CpmFormatDisk(filename, diskImage) };
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
|
@ -527,6 +532,40 @@ public class Disk {
|
|||
&& directory[4] == 0 && directory[5] == 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Test the disk format to see if this is a CP/M formatted disk.
|
||||
* Check the first 256 bytes of the CP/M directory for validity.
|
||||
*/
|
||||
public boolean isCpmFormat() {
|
||||
byte[] directory = readSector(3, 0);
|
||||
int bytes[] = new int[256];
|
||||
for (int i=0; i<directory.length; i++) {
|
||||
bytes[i] = AppleUtil.getUnsignedByte(directory[i]);
|
||||
}
|
||||
int offset = 0;
|
||||
while (offset < directory.length) {
|
||||
// Check if this is an empty directory entry (and ignore it)
|
||||
int e5count = 0;
|
||||
for (int i=0; i<CpmFileEntry.ENTRY_LENGTH; i++) {
|
||||
e5count+= bytes[offset+i] == 0xe5 ? 1 : 0;
|
||||
}
|
||||
if (e5count == CpmFileEntry.ENTRY_LENGTH) continue;
|
||||
// Check user number. Should be 0-15 or 0xE5
|
||||
if (bytes[offset] > 15 && bytes[offset] != 0xe5) return false;
|
||||
// Validate filename has highbit off
|
||||
for (int i=0; i<8; i++) {
|
||||
if (bytes[offset+1+i] > 127) return false;
|
||||
}
|
||||
// Extent should be 0-31 (low = 0-31 and high = 0)
|
||||
if (bytes[offset+0xc] > 31 || bytes[offset+0xe] > 0) return false;
|
||||
// Number of used records cannot exceed 0x80
|
||||
if (bytes[offset+0xf] > 0x80) return false;
|
||||
// Next entry
|
||||
offset+= CpmFileEntry.ENTRY_LENGTH;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Test the disk format to see if this is a RDOS formatted
|
||||
* disk.
|
||||
|
|
|
|||
|
|
@ -0,0 +1,212 @@
|
|||
package com.webcodepro.applecommander.storage.cpm;
|
||||
|
||||
import com.webcodepro.applecommander.storage.DiskFullException;
|
||||
import com.webcodepro.applecommander.storage.FileEntry;
|
||||
import com.webcodepro.applecommander.storage.FileFilter;
|
||||
import com.webcodepro.applecommander.storage.FormattedDisk;
|
||||
import com.webcodepro.applecommander.util.AppleUtil;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* @author Rob
|
||||
*/
|
||||
public class CpmFileEntry implements FileEntry {
|
||||
/**
|
||||
* The standard CP/M file entry length.
|
||||
*/
|
||||
public static final int ENTRY_LENGTH = 0x20;
|
||||
/**
|
||||
* Reference to the disk this FileEntry is attached to.
|
||||
*/
|
||||
private CpmFormatDisk disk;
|
||||
/**
|
||||
* The offset into the block that the FileEntry is at.
|
||||
*/
|
||||
private int offset;
|
||||
|
||||
/**
|
||||
* Construct a CP/M file entry.
|
||||
*/
|
||||
public CpmFileEntry(CpmFormatDisk disk, int offset) {
|
||||
this.disk = disk;
|
||||
this.offset = offset;
|
||||
}
|
||||
|
||||
/**
|
||||
* Read the fileEntry bytes from the disk image.
|
||||
*/
|
||||
protected byte[] readFileEntry() {
|
||||
byte[] data = new byte[2048];
|
||||
System.arraycopy(disk.readCpmBlock(0), 0, data, 0, 1024);
|
||||
System.arraycopy(disk.readCpmBlock(1), 0, data, 1024, 1024);
|
||||
byte[] entry = new byte[ENTRY_LENGTH];
|
||||
System.arraycopy(data, offset, entry, 0, ENTRY_LENGTH);
|
||||
return entry;
|
||||
}
|
||||
|
||||
/**
|
||||
* Answer with the name of the file.
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#getFilename()
|
||||
*/
|
||||
public String getFilename() {
|
||||
return AppleUtil.getString(readFileEntry(), 1, 8).trim();
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#setFilename(java.lang.String)
|
||||
*/
|
||||
public void setFilename(String filename) {
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Answer with the filetype.
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#getFiletype()
|
||||
*/
|
||||
public String getFiletype() {
|
||||
return AppleUtil.getString(readFileEntry(), 9, 3).trim();
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#setFiletype(java.lang.String)
|
||||
*/
|
||||
public void setFiletype(String filetype) {
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Indicates if this file is locked.
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#isLocked()
|
||||
*/
|
||||
public boolean isLocked() {
|
||||
return AppleUtil.isBitSet(readFileEntry()[0x9], 8);
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#setLocked(boolean)
|
||||
*/
|
||||
public void setLocked(boolean lock) {
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#getSize()
|
||||
*/
|
||||
public int getSize() {
|
||||
// TODO Auto-generated method stub
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#isDirectory()
|
||||
*/
|
||||
public boolean isDirectory() {
|
||||
// TODO Auto-generated method stub
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Indicates if this fileEntry is a deleted file.
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#isDeleted()
|
||||
*/
|
||||
public boolean isDeleted() {
|
||||
return 0xe5 == AppleUtil.getUnsignedByte(readFileEntry()[0]);
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#delete()
|
||||
*/
|
||||
public void delete() {
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#getFileColumnData(int)
|
||||
*/
|
||||
public List getFileColumnData(int displayMode) {
|
||||
// TODO Auto-generated method stub
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#getFileData()
|
||||
*/
|
||||
public byte[] getFileData() {
|
||||
// TODO Auto-generated method stub
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#setFileData(byte[])
|
||||
*/
|
||||
public void setFileData(byte[] data) throws DiskFullException {
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#getSuggestedFilter()
|
||||
*/
|
||||
public FileFilter getSuggestedFilter() {
|
||||
// TODO Auto-generated method stub
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Answer with the formatted disk.
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#getFormattedDisk()
|
||||
*/
|
||||
public FormattedDisk getFormattedDisk() {
|
||||
return disk;
|
||||
}
|
||||
|
||||
/**
|
||||
* Answer with the maximum filename length.
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#getMaximumFilenameLength()
|
||||
*/
|
||||
public int getMaximumFilenameLength() {
|
||||
return 8;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#needsAddress()
|
||||
*/
|
||||
public boolean needsAddress() {
|
||||
// TODO Auto-generated method stub
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#setAddress(int)
|
||||
*/
|
||||
public void setAddress(int address) {
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FileEntry#canCompile()
|
||||
*/
|
||||
public boolean canCompile() {
|
||||
// TODO Auto-generated method stub
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Indicates if this is an empty file entry.
|
||||
* An empty file entry contains all 0xE5.
|
||||
*/
|
||||
public boolean isEmpty() {
|
||||
byte[] data = readFileEntry();
|
||||
for (int i=0; i<ENTRY_LENGTH; i++) {
|
||||
int byt = AppleUtil.getUnsignedByte(data[i]);
|
||||
if (byt != 0xE5) return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,261 @@
|
|||
/*
|
||||
* AppleCommander - An Apple ][ image utility.
|
||||
* Copyright (C) 2003 by Robert Greene
|
||||
* 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 com.webcodepro.applecommander.storage.cpm;
|
||||
|
||||
import com.webcodepro.applecommander.storage.DiskFullException;
|
||||
import com.webcodepro.applecommander.storage.FileEntry;
|
||||
import com.webcodepro.applecommander.storage.FormattedDisk;
|
||||
import com.webcodepro.applecommander.storage.FormattedDisk.DiskUsage;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Manages a disk that is in the Apple CP/M format.
|
||||
* <p>
|
||||
* @author Rob Greene
|
||||
*/
|
||||
public class CpmFormatDisk extends FormattedDisk {
|
||||
/**
|
||||
* Create a CP/M formatted disk.
|
||||
*/
|
||||
public CpmFormatDisk(String filename, byte[] diskImage) {
|
||||
super(filename, diskImage);
|
||||
}
|
||||
|
||||
/**
|
||||
* There apparantly is no corresponding CP/M disk name.
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#getDiskName()
|
||||
*/
|
||||
public String getDiskName() {
|
||||
return "CP/M Volume";
|
||||
}
|
||||
|
||||
/**
|
||||
* Identify the operating system format of this disk.
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#getFormat()
|
||||
*/
|
||||
public String getFormat() {
|
||||
return "CP/M";
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#getFreeSpace()
|
||||
*/
|
||||
public int getFreeSpace() {
|
||||
// TODO Auto-generated method stub
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#getUsedSpace()
|
||||
*/
|
||||
public int getUsedSpace() {
|
||||
// TODO Auto-generated method stub
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#getBitmapDimensions()
|
||||
*/
|
||||
public int[] getBitmapDimensions() {
|
||||
// TODO Auto-generated method stub
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#getBitmapLength()
|
||||
*/
|
||||
public int getBitmapLength() {
|
||||
// TODO Auto-generated method stub
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#getDiskUsage()
|
||||
*/
|
||||
public DiskUsage getDiskUsage() {
|
||||
// TODO Auto-generated method stub
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#getBitmapLabels()
|
||||
*/
|
||||
public String[] getBitmapLabels() {
|
||||
// TODO Auto-generated method stub
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Indicates if this disk format supports "deleted" files.
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#supportsDeletedFiles()
|
||||
*/
|
||||
public boolean supportsDeletedFiles() {
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#canReadFileData()
|
||||
*/
|
||||
public boolean canReadFileData() {
|
||||
// TODO Auto-generated method stub
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#canWriteFileData()
|
||||
*/
|
||||
public boolean canWriteFileData() {
|
||||
// TODO Auto-generated method stub
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#canHaveDirectories()
|
||||
*/
|
||||
public boolean canHaveDirectories() {
|
||||
// TODO Auto-generated method stub
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#canDeleteFile()
|
||||
*/
|
||||
public boolean canDeleteFile() {
|
||||
// TODO Auto-generated method stub
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#getFileData(com.webcodepro.applecommander.storage.FileEntry)
|
||||
*/
|
||||
public byte[] getFileData(FileEntry fileEntry) {
|
||||
// TODO Auto-generated method stub
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#format()
|
||||
*/
|
||||
public void format() {
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#getLogicalDiskNumber()
|
||||
*/
|
||||
public int getLogicalDiskNumber() {
|
||||
// TODO Auto-generated method stub
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#getSuggestedFilename(java.lang.String)
|
||||
*/
|
||||
public String getSuggestedFilename(String filename) {
|
||||
// TODO Auto-generated method stub
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#getSuggestedFiletype(java.lang.String)
|
||||
*/
|
||||
public String getSuggestedFiletype(String filename) {
|
||||
// TODO Auto-generated method stub
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#getFiletypes()
|
||||
*/
|
||||
public String[] getFiletypes() {
|
||||
// TODO Auto-generated method stub
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.FormattedDisk#needsAddress(java.lang.String)
|
||||
*/
|
||||
public boolean needsAddress(String filetype) {
|
||||
// TODO Auto-generated method stub
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Answer with a list of file entries.
|
||||
* @see com.webcodepro.applecommander.storage.DirectoryEntry#getFiles()
|
||||
*/
|
||||
public List getFiles() {
|
||||
List files = new ArrayList();
|
||||
for (int i=0; i<64; i++) {
|
||||
CpmFileEntry fileEntry = new CpmFileEntry(this, i*CpmFileEntry.ENTRY_LENGTH);
|
||||
if (!fileEntry.isEmpty()) {
|
||||
files.add(fileEntry);
|
||||
}
|
||||
}
|
||||
return files;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.DirectoryEntry#createFile()
|
||||
*/
|
||||
public FileEntry createFile() throws DiskFullException {
|
||||
// TODO Auto-generated method stub
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.DirectoryEntry#canCreateDirectories()
|
||||
*/
|
||||
public boolean canCreateDirectories() {
|
||||
// TODO Auto-generated method stub
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see com.webcodepro.applecommander.storage.DirectoryEntry#canCreateFile()
|
||||
*/
|
||||
public boolean canCreateFile() {
|
||||
// TODO Auto-generated method stub
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Read a CP/M block (1K in size).
|
||||
* <p>
|
||||
* Apparantly, data block #0 starts at track 3, sector 0.
|
||||
* There should be 64 directory entries.
|
||||
* Each block is 1024 bytes (16 128-byte sectors).
|
||||
* One block should be the entire directory...
|
||||
*/
|
||||
public byte[] readCpmBlock(int block) {
|
||||
byte[] data = new byte[1024];
|
||||
int track = 3 + (block / 4);
|
||||
int sector = block % 4;
|
||||
for (int i=0; i<4; i++) {
|
||||
System.arraycopy(readSector(track, sector+i),
|
||||
0, data, i*SECTOR_SIZE, SECTOR_SIZE);
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue