mirror of
https://github.com/dmolony/DiskBrowser.git
synced 2025-02-06 04:29:56 +00:00
More nibbling
This commit is contained in:
Denis Molony
parent
6eb4acc85d
commit
d47af9b63c
@ -203,7 +203,7 @@ public class AppleDisk implements Disk
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checkSectorsForData ();
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}
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public AppleDisk (V2dDisk disk, int tracks, int sectors)
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public AppleDisk (V2dFile disk, int tracks, int sectors)
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{
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this.tracks = tracks;
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this.sectors = sectors;
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@ -218,7 +218,7 @@ public class AppleDisk implements Disk
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checkSectorsForData ();
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}
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public AppleDisk (NibDisk disk) // not used yet
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public AppleDisk (NibFile disk) // not used yet
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{
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tracks = 35;
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trackSize = 4096;
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@ -226,12 +226,12 @@ public class AppleDisk implements Disk
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diskBuffer = disk.buffer;
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}
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public AppleDisk (WozDisk disk, int tracks, int sectors)
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public AppleDisk (WozFile wozFile, int tracks, int sectors)
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{
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this.tracks = tracks;
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this.sectors = sectors;
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file = disk.file;
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diskBuffer = disk.diskBuffer;
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file = wozFile.file;
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diskBuffer = wozFile.diskBuffer;
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if (sectors == 13)
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{
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@ -231,7 +231,7 @@ public class DiskFactory
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{
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try
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{
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WozDisk wozDisk = new WozDisk (file);
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WozFile wozDisk = new WozFile (file);
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if (wozDisk.getSectorsPerTrack () == 13)
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{
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AppleDisk appleDisk = new AppleDisk (wozDisk, 35, 13);
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@ -259,7 +259,7 @@ public class DiskFactory
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if (suffix.equals ("v2d"))
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{
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V2dDisk v2dDisk = new V2dDisk (file);
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V2dFile v2dDisk = new V2dFile (file);
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AppleDisk appleDisk256 = new AppleDisk (v2dDisk, 35, 16);
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disk = checkDos (appleDisk256);
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if (disk == null)
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@ -274,7 +274,7 @@ public class DiskFactory
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if (debug)
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System.out.println (" ** nib **");
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NibDisk nibDisk = new NibDisk (file);
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NibFile nibDisk = new NibFile (file);
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AppleDisk appleDisk16 = new AppleDisk (nibDisk);
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disk = checkDos (appleDisk16);
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return null;
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@ -1,14 +1,11 @@
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package com.bytezone.diskbrowser.disk;
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import com.bytezone.diskbrowser.disk.MC3470.DiskSector;
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public abstract class DiskReader
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{
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static final int BLOCK_SIZE = 256;
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static final byte[] dataPrologue = { (byte) 0xD5, (byte) 0xAA, (byte) 0xAD };
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final int sectorsPerTrack;
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boolean debug = false;
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// ---------------------------------------------------------------------------------//
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// constructor
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@ -23,11 +20,11 @@ public abstract class DiskReader
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// abstract functions
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// ---------------------------------------------------------------------------------//
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abstract byte[] decodeSector (byte[] buffer);
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abstract byte[] decodeSector (byte[] buffer) throws DiskNibbleException;
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abstract byte[] encodeSector (byte[] buffer);
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abstract void storeBuffer (DiskSector diskSector, byte[] diskBuffer);
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abstract void storeBuffer (RawDiskSector diskSector, byte[] diskBuffer);
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abstract int expectedDataSize ();
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}
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@ -1,7 +1,5 @@
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package com.bytezone.diskbrowser.disk;
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import com.bytezone.diskbrowser.disk.MC3470.DiskSector;
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public class DiskReader13Sector extends DiskReader
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{
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private static final int RAW_BUFFER_SIZE = 410;
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@ -26,64 +24,56 @@ public class DiskReader13Sector extends DiskReader
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// ---------------------------------------------------------------------------------//
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@Override
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byte[] decodeSector (byte[] buffer)
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byte[] decodeSector (byte[] buffer) throws DiskNibbleException
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{
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byte[] decodedBuffer = new byte[BLOCK_SIZE];
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int offset = 0;
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try
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// convert legal disk values to actual 5 bit values
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for (int i = 0; i < BUFFER_WITH_CHECKSUM_SIZE; i++) // 411 bytes
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decodeA[i] = (byte) (byteTranslator.decode (buffer[offset++]) << 3);
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// reconstruct 410 bytes each with 5 bits
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byte chk = 0;
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int ptr = 0;
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for (int i = 409; i >= 256; i--) // 154 bytes
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chk = decodeB[i] = (byte) (decodeA[ptr++] ^ chk);
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for (int i = 0; i < 256; i++) // 256 bytes
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chk = decodeB[i] = (byte) (decodeA[ptr++] ^ chk);
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if ((chk ^ decodeA[ptr]) != 0)
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throw new DiskNibbleException ("Checksum failed");
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// rearrange 410 bytes into 256
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byte[] k = new byte[8];
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final int[] lines = { 0, 51, 102, 153, 204, 256, 307, 358 }; // 255 is skipped
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// process 8 disk bytes at a time, giving 5 valid bytes
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// do this 51 times, giving 255 bytes
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ptr = 0;
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for (int i = 50; i >= 0; i--)
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{
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// convert legal disk values to actual 5 bit values
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for (int i = 0; i < BUFFER_WITH_CHECKSUM_SIZE; i++) // 411 bytes
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decodeA[i] = (byte) (byteTranslator.decode (buffer[offset++]) << 3);
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for (int j = 0; j < 8; j++)
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k[j] = decodeB[i + lines[j]];
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// reconstruct 410 bytes each with 5 bits
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byte chk = 0;
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int ptr = 0;
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for (int i = 409; i >= 256; i--) // 154 bytes
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chk = decodeB[i] = (byte) (decodeA[ptr++] ^ chk);
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for (int i = 0; i < 256; i++) // 256 bytes
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chk = decodeB[i] = (byte) (decodeA[ptr++] ^ chk);
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if ((chk ^ decodeA[ptr]) != 0)
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throw new DiskNibbleException ("Checksum failed");
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k[0] |= (k[5] & 0xE0) >>> 5;
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k[1] |= (k[6] & 0xE0) >>> 5;
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k[2] |= (k[7] & 0xE0) >>> 5;
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// rearrange 410 bytes into 256
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byte[] k = new byte[8];
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final int[] lines = { 0, 51, 102, 153, 204, 256, 307, 358 }; // 255 is skipped
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k[3] |= (k[5] & 0x10) >>> 2;
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k[3] |= (k[6] & 0x10) >>> 3;
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k[3] |= (k[7] & 0x10) >>> 4;
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// process 8 disk bytes at a time, giving 5 valid bytes
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// do this 51 times, giving 255 bytes
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ptr = 0;
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for (int i = 50; i >= 0; i--)
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{
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for (int j = 0; j < 8; j++)
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k[j] = decodeB[i + lines[j]];
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k[4] |= (k[5] & 0x08) >>> 1;
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k[4] |= (k[6] & 0x08) >>> 2;
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k[4] |= (k[7] & 0x08) >>> 3;
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k[0] |= (k[5] & 0xE0) >>> 5;
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k[1] |= (k[6] & 0xE0) >>> 5;
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k[2] |= (k[7] & 0xE0) >>> 5;
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k[3] |= (k[5] & 0x10) >>> 2;
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k[3] |= (k[6] & 0x10) >>> 3;
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k[3] |= (k[7] & 0x10) >>> 4;
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k[4] |= (k[5] & 0x08) >>> 1;
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k[4] |= (k[6] & 0x08) >>> 2;
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k[4] |= (k[7] & 0x08) >>> 3;
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for (int j = 0; j < 5; j++)
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decodedBuffer[ptr++] = k[j];
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}
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// add last byte
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decodedBuffer[ptr] = (byte) (decodeB[255] | ((decodeB[409] & 0x3F) >>> 3));
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}
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catch (Exception e)
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{
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// e.printStackTrace ();
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System.out.println (e);
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for (int j = 0; j < 5; j++)
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decodedBuffer[ptr++] = k[j];
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}
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// add last byte
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decodedBuffer[ptr] = (byte) (decodeB[255] | ((decodeB[409] & 0x3F) >>> 3));
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return decodedBuffer;
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}
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@ -103,7 +93,7 @@ public class DiskReader13Sector extends DiskReader
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// ---------------------------------------------------------------------------------//
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@Override
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void storeBuffer (DiskSector diskSector, byte[] diskBuffer)
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void storeBuffer (RawDiskSector diskSector, byte[] diskBuffer)
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{
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DiskAddressField addressField = diskSector.addressField;
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byte[] sectorBuffer = diskSector.buffer;
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@ -1,7 +1,5 @@
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package com.bytezone.diskbrowser.disk;
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import com.bytezone.diskbrowser.disk.MC3470.DiskSector;
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public class DiskReader16Sector extends DiskReader
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{
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private static final int RAW_BUFFER_SIZE = 342;
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@ -32,45 +30,37 @@ public class DiskReader16Sector extends DiskReader
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// ---------------------------------------------------------------------------------//
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@Override
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byte[] decodeSector (byte[] buffer)
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byte[] decodeSector (byte[] buffer) throws DiskNibbleException
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{
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// rearrange 342 bytes into 256
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byte[] decodedBuffer = new byte[BLOCK_SIZE]; // 256 bytes
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byte[] decodedBuffer = new byte[BLOCK_SIZE]; // 256 bytes
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int offset = 0;
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try
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// convert legal disk values to actual 6 bit values
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for (int i = 0; i < BUFFER_WITH_CHECKSUM_SIZE; i++) // 343 bytes
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decodeA[i] = (byte) (byteTranslator.decode (buffer[offset++]) << 2);
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// reconstruct 342 bytes each with 6 bits
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byte chk = 0;
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for (int i = decodeB.length - 1; i >= 0; i--) // 342 bytes
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chk = decodeB[i] = (byte) (decodeA[i + 1] ^ chk);
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if ((chk ^ decodeA[0]) != 0)
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throw new DiskNibbleException ("Checksum failed");
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// move 6 bits into place
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for (int i = 0; i < BLOCK_SIZE; i++)
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decodedBuffer[i] = decodeB[i + 86];
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// reattach each byte's last 2 bits
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for (int i = 0, j = 86, k = 172; i < 86; i++, j++, k++)
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{
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// convert legal disk values to actual 6 bit values
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for (int i = 0; i < BUFFER_WITH_CHECKSUM_SIZE; i++) // 343 bytes
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decodeA[i] = (byte) (byteTranslator.decode (buffer[offset++]) << 2);
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byte val = decodeB[i];
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// reconstruct 342 bytes each with 6 bits
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byte chk = 0;
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for (int i = decodeB.length - 1; i >= 0; i--) // 342 bytes
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chk = decodeB[i] = (byte) (decodeA[i + 1] ^ chk);
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if ((chk ^ decodeA[0]) != 0)
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throw new DiskNibbleException ("Checksum failed");
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decodedBuffer[i] |= reverse ((val & 0x0C) >> 2);
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decodedBuffer[j] |= reverse ((val & 0x30) >> 4);
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// move 6 bits into place
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for (int i = 0; i < BLOCK_SIZE; i++)
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decodedBuffer[i] = decodeB[i + 86];
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// reattach each byte's last 2 bits
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for (int i = 0, j = 86, k = 172; i < 86; i++, j++, k++)
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{
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byte val = decodeB[i];
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decodedBuffer[i] |= reverse ((val & 0x0C) >> 2);
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decodedBuffer[j] |= reverse ((val & 0x30) >> 4);
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if (k < BLOCK_SIZE)
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decodedBuffer[k] |= reverse ((val & 0xC0) >> 6);
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}
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}
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catch (Exception e)
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{
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System.out.println (e);
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// e.printStackTrace ();
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if (k < BLOCK_SIZE)
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decodedBuffer[k] |= reverse ((val & 0xC0) >> 6);
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}
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return decodedBuffer;
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@ -137,7 +127,7 @@ public class DiskReader16Sector extends DiskReader
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// ---------------------------------------------------------------------------------//
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@Override
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void storeBuffer (DiskSector diskSector, byte[] diskBuffer)
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void storeBuffer (RawDiskSector diskSector, byte[] diskBuffer)
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{
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DiskAddressField addressField = diskSector.addressField;
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byte[] sectorBuffer = diskSector.buffer;
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@ -7,14 +7,15 @@ import com.bytezone.diskbrowser.utilities.HexFormatter;
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class MC3470
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{
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private static final int EMPTY = 999;
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private static final int MAX_DATA = 999;
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private final boolean debug = false;
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private final boolean dump = false;
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private final List<DiskSector> diskSectors = new ArrayList<> ();
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private List<RawDiskSector> diskSectors;
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private State currentState;
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private DiskSector currentDiskSector;
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private RawDiskSector currentDiskSector;
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private int expectedDataSize;
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private boolean finished;
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private boolean restarted;
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@ -23,7 +24,7 @@ class MC3470
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private final DiskReader diskReader16 = new DiskReader16Sector ();
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private final DiskReader diskReader13 = new DiskReader13Sector ();
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private final byte[] dataBuffer = new byte[EMPTY];
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private final byte[] dataBuffer = new byte[MAX_DATA];
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private int dataPtr = 0;
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private enum State
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@ -35,40 +36,46 @@ class MC3470
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// readTrack
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// ---------------------------------------------------------------------------------//
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void readTrack (byte[] buffer, int offset, int bytesUsed, int bitCount)
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List<RawDiskSector> readTrack (byte[] buffer, int offset, int bytesUsed, int bitCount)
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throws DiskNibbleException
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{
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final int max = offset + bytesUsed;
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int totalBits = 0;
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int totalBytes = 0;
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diskSectors.clear ();
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diskSectors = new ArrayList<> ();
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diskReader = null;
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currentDiskSector = null;
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currentState = State.OTHER;
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expectedDataSize = EMPTY;
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finished = false;
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restarted = false;
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int value = 0;
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byte value = 0; // value to be stored
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dataPtr = 0;
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expectedDataSize = MAX_DATA;
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if (debug)
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{
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System.out.printf ("%nOffset : %06X%n", offset);
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System.out.printf ("Bytes used: %06X%n", bytesUsed);
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System.out.printf ("Bit count : %06X%n", bitCount);
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System.out.printf ("remaining : %06X%n", bitCount % 8);
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}
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int inPtr = offset; // keep offset in case we have to loop around
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while (!finished && inPtr < max)
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int inPtr = offset; // keep offset in case we have to loop around
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while (inPtr < max && !finished)
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{
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int b = buffer[inPtr++] & 0xFF;
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byte b = buffer[inPtr++];
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if (!restarted)
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totalBytes++;
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for (int mask = 0x80; mask != 0; mask >>>= 1)
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{
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value <<= 1;
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if ((b & mask) != 0)
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value |= 1;
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value |= 0x01;
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if ((value & 0x80) != 0) // is hi-bit set?
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if ((value & 0x80) != 0) // value is not valid until the hi-bit is set
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{
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if (dump)
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{
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@ -77,7 +84,7 @@ class MC3470
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System.out.printf ("%02X ", value);
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}
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dataBuffer[dataPtr++] = (byte) value;
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dataBuffer[dataPtr++] = value;
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checkState (value);
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value = 0;
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}
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@ -86,6 +93,7 @@ class MC3470
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break;
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}
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// check for unfinished data block, we may need to restart the track
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if (inPtr == max && currentState == State.DATA && !restarted)
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{
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inPtr = offset;
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@ -95,18 +103,28 @@ class MC3470
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if (debug)
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{
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System.out.printf ("total bits : %d%n", bitCount);
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System.out.printf ("bits used : %d%n", totalBits);
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System.out.println ("**************************************");
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System.out.printf ("* total bits : %,5d *%n", bitCount);
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System.out.printf ("* bits used : %,5d *%n", totalBits);
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System.out.printf ("* total bytes : %,5d *%n", bytesUsed);
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System.out.printf ("* bytes used : %,5d *%n", totalBytes);
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System.out.println ("**************************************");
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}
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return diskSectors;
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}
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// ---------------------------------------------------------------------------------//
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// storeSectors
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// ---------------------------------------------------------------------------------//
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void storeSectors (byte[] diskBuffer)
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void storeSectors (List<RawDiskSector> diskSectors, byte[] diskBuffer)
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throws DiskNibbleException
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{
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for (DiskSector diskSector : diskSectors)
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if (diskReader == null)
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throw new DiskNibbleException ("No DiskReader");
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for (RawDiskSector diskSector : diskSectors)
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diskReader.storeBuffer (diskSector, diskBuffer);
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}
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@ -132,11 +150,11 @@ class MC3470
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// checkState
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// ---------------------------------------------------------------------------------//
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private void checkState (int value) throws DiskNibbleException
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private void checkState (byte value) throws DiskNibbleException
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{
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switch (value)
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{
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case 0xB5:
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case (byte) 0xB5:
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if (isPrologue ())
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{
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diskReader = diskReader13;
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@ -144,7 +162,7 @@ class MC3470
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}
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break;
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case 0x96:
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case (byte) 0x96:
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if (isPrologue ())
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{
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diskReader = diskReader16;
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@ -152,12 +170,12 @@ class MC3470
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}
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break;
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case 0xAD:
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case (byte) 0xAD:
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if (isPrologue ())
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setState (State.DATA);
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break;
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|
||||
case 0xEB:
|
||||
case (byte) 0xEB:
|
||||
if (isEpilogue ())
|
||||
setState (State.OTHER);
|
||||
break;
|
||||
@ -175,7 +193,7 @@ class MC3470
|
||||
// setState
|
||||
// ---------------------------------------------------------------------------------//
|
||||
|
||||
private void setState (State newState)
|
||||
private void setState (State newState) throws DiskNibbleException
|
||||
{
|
||||
if (currentState == newState && currentState == State.OTHER)
|
||||
return;
|
||||
@ -184,13 +202,22 @@ class MC3470
|
||||
switch (currentState) // this state is now finished
|
||||
{
|
||||
case ADDRESS:
|
||||
currentDiskSector = new DiskSector (new DiskAddressField (dataBuffer));
|
||||
if (currentDiskSector != null)
|
||||
System.out.printf ("unused ADDRESS: %s%n", currentDiskSector);
|
||||
|
||||
currentDiskSector = new RawDiskSector (new DiskAddressField (dataBuffer));
|
||||
if (dump)
|
||||
System.out.println (currentDiskSector);
|
||||
break;
|
||||
|
||||
case DATA:
|
||||
if (currentDiskSector != null)
|
||||
if (currentDiskSector == null)
|
||||
{
|
||||
System.out.printf ("cannot store %d DATA no ADDRESS", dataPtr);
|
||||
if (debug)
|
||||
System.out.println (HexFormatter.format (dataBuffer, 0, dataPtr));
|
||||
}
|
||||
else
|
||||
{
|
||||
currentDiskSector.setBuffer (diskReader.decodeSector (dataBuffer));
|
||||
diskSectors.add (currentDiskSector);
|
||||
@ -198,17 +225,9 @@ class MC3470
|
||||
if (diskSectors.size () == diskReader.sectorsPerTrack)
|
||||
finished = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (debug)
|
||||
{
|
||||
System.out.printf ("cannot store %d DATA no ADDRESS", dataPtr);
|
||||
System.out.println (HexFormatter.format (dataBuffer, 0, dataPtr));
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case OTHER:
|
||||
case OTHER: // triggered by an epilogue or full address/data buffer
|
||||
break;
|
||||
}
|
||||
|
||||
@ -234,12 +253,12 @@ class MC3470
|
||||
case OTHER:
|
||||
if (dump)
|
||||
System.out.println ("OTHER");
|
||||
expectedDataSize = EMPTY; // what is the maximum filler?
|
||||
expectedDataSize = MAX_DATA; // what is the maximum filler?
|
||||
break;
|
||||
}
|
||||
|
||||
currentState = newState;
|
||||
dataPtr = 0; // start collecting new buffer
|
||||
dataPtr = 0; // start collecting new buffer
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------------//
|
||||
@ -265,30 +284,4 @@ class MC3470
|
||||
|| dataBuffer[dataPtr - 3] == (byte) 0xDA) // non-standard
|
||||
&& dataBuffer[dataPtr - 2] == (byte) 0xAA;
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------------//
|
||||
// DiskSector
|
||||
// ---------------------------------------------------------------------------------//
|
||||
|
||||
class DiskSector
|
||||
{
|
||||
final DiskAddressField addressField;
|
||||
byte[] buffer;
|
||||
|
||||
DiskSector (DiskAddressField addressField)
|
||||
{
|
||||
this.addressField = addressField;
|
||||
}
|
||||
|
||||
void setBuffer (byte[] buffer)
|
||||
{
|
||||
this.buffer = buffer;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString ()
|
||||
{
|
||||
return addressField.toString ();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -5,7 +5,7 @@ import java.io.File;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.IOException;
|
||||
|
||||
class NibDisk
|
||||
class NibFile
|
||||
{
|
||||
// private final Nibblizer nibbler;
|
||||
|
||||
@ -20,7 +20,7 @@ class NibDisk
|
||||
|
||||
// add 'nib' to Utility.suffixes to allow nib files to be selected
|
||||
|
||||
public NibDisk (File file)
|
||||
public NibFile (File file)
|
||||
{
|
||||
this.file = file;
|
||||
byte[] trackBuffer = new byte[6656];
|
||||
23
src/com/bytezone/diskbrowser/disk/RawDiskSector.java
Normal file
23
src/com/bytezone/diskbrowser/disk/RawDiskSector.java
Normal file
@ -0,0 +1,23 @@
|
||||
package com.bytezone.diskbrowser.disk;
|
||||
|
||||
public class RawDiskSector
|
||||
{
|
||||
final DiskAddressField addressField;
|
||||
byte[] buffer;
|
||||
|
||||
RawDiskSector (DiskAddressField addressField)
|
||||
{
|
||||
this.addressField = addressField;
|
||||
}
|
||||
|
||||
void setBuffer (byte[] buffer)
|
||||
{
|
||||
this.buffer = buffer;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString ()
|
||||
{
|
||||
return addressField.toString ();
|
||||
}
|
||||
}
|
||||
@ -30,7 +30,7 @@ import com.bytezone.diskbrowser.utilities.HexFormatter;
|
||||
// Position: 0 8 1 9 2 A 3 B 4 C 5 D 6 E 7 F - Prodos (.PO disks)
|
||||
// Position: 0 7 E 6 D 5 C 4 B 3 A 2 9 1 8 F - Dos (.DO disks)
|
||||
|
||||
class V2dDisk
|
||||
class V2dFile
|
||||
{
|
||||
// private static int[][] interleave =
|
||||
// { { 0, 8, 1, 9, 2, 10, 3, 11, 4, 12, 5, 13, 6, 14, 7, 15 },
|
||||
@ -48,7 +48,7 @@ class V2dDisk
|
||||
|
||||
final byte[] diskBuffer = new byte[4096 * 35];
|
||||
|
||||
public V2dDisk (File file)
|
||||
public V2dFile (File file)
|
||||
{
|
||||
this.file = file;
|
||||
int tracks = 0;
|
||||
@ -4,12 +4,13 @@ import java.io.BufferedInputStream;
|
||||
import java.io.File;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.IOException;
|
||||
import java.util.List;
|
||||
|
||||
import com.bytezone.diskbrowser.utilities.Utility;
|
||||
|
||||
class WozDisk
|
||||
class WozFile
|
||||
{
|
||||
private static final byte[] WOZ_DISK_HEADER =
|
||||
private static final byte[] WOZ_FILE_HEADER =
|
||||
{ 0x57, 0x4F, 0x5A, 0x31, (byte) 0xFF, 0x0a, 0x0D, 0x0A };
|
||||
private static final int TRK_SIZE = 0x1A00;
|
||||
private static final int INFO_SIZE = 0x3C;
|
||||
@ -28,20 +29,20 @@ class WozDisk
|
||||
// constructor
|
||||
// ---------------------------------------------------------------------------------//
|
||||
|
||||
public WozDisk (File file) throws Exception
|
||||
public WozFile (File file) throws Exception
|
||||
{
|
||||
this.file = file;
|
||||
byte[] buffer = readFile ();
|
||||
|
||||
if (!matches (WOZ_DISK_HEADER, buffer))
|
||||
if (!matches (WOZ_FILE_HEADER, buffer))
|
||||
throw new Exception ("Header error");
|
||||
|
||||
int cs1 = readInt (buffer, 8, 4);
|
||||
int cs2 = Utility.crc32 (buffer, 12, buffer.length - 12);
|
||||
if (cs1 != cs2)
|
||||
int checksum1 = readInt (buffer, 8, 4);
|
||||
int checksum2 = Utility.crc32 (buffer, 12, buffer.length - 12);
|
||||
if (checksum1 != checksum2)
|
||||
{
|
||||
System.out.printf ("Checksum : %08X%n", cs1);
|
||||
System.out.printf ("Calculated: %08X%n", cs2);
|
||||
System.out.printf ("Stored checksum : %08X%n", checksum1);
|
||||
System.out.printf ("Calculated checksum : %08X%n", checksum2);
|
||||
throw new Exception ("Checksum error");
|
||||
}
|
||||
|
||||
@ -109,7 +110,8 @@ class WozDisk
|
||||
|
||||
try
|
||||
{
|
||||
mc3470.readTrack (buffer, ptr, bytesUsed, bitCount);
|
||||
List<RawDiskSector> diskSectors =
|
||||
mc3470.readTrack (buffer, ptr, bytesUsed, bitCount);
|
||||
|
||||
if (trackNo == 0) // create disk buffer
|
||||
{
|
||||
@ -121,17 +123,16 @@ class WozDisk
|
||||
{
|
||||
System.out.println ("unknown disk format");
|
||||
break read;
|
||||
// continue;
|
||||
}
|
||||
}
|
||||
|
||||
mc3470.storeSectors (diskBuffer);
|
||||
mc3470.storeSectors (diskSectors, diskBuffer);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
// e.printStackTrace ();
|
||||
System.out.println (e);
|
||||
// break read;
|
||||
break read;
|
||||
}
|
||||
|
||||
ptr += TRK_SIZE;
|
||||
Loading…
x
Reference in New Issue
Block a user