Apple-2-Tools/dmolony-DiskBrowser
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tidying

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This commit is contained in:
Denis Molony 2021-05-04 16:31:11 +10:00
parent 7d79f8f365
commit 73e964fe76
2 changed files with 14 additions and 15 deletions
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27
src/com/bytezone/diskbrowser/prodos/write/FileWriter.java
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@ -10,7 +10,6 @@ public class FileWriter
// -----------------------------------------------------------------------------------// // -----------------------------------------------------------------------------------//
{ {
private final ProdosDisk disk; private final ProdosDisk disk;
private final byte[] buffer;
private IndexBlock indexBlock = null; private IndexBlock indexBlock = null;
private MasterIndexBlock masterIndexBlock = null; private MasterIndexBlock masterIndexBlock = null;
@ -25,7 +24,6 @@ public class FileWriter
// ---------------------------------------------------------------------------------// // ---------------------------------------------------------------------------------//
{ {
this.disk = disk; this.disk = disk;
this.buffer = disk.getBuffer ();
} }
// ---------------------------------------------------------------------------------// // ---------------------------------------------------------------------------------//
@ -45,7 +43,7 @@ public class FileWriter
int bufferPtr = actualBlockNo * BLOCK_SIZE; int bufferPtr = actualBlockNo * BLOCK_SIZE;
int tfr = Math.min (remaining, BLOCK_SIZE); int tfr = Math.min (remaining, BLOCK_SIZE);
System.arraycopy (dataBuffer, dataPtr, buffer, bufferPtr, tfr); System.arraycopy (dataBuffer, dataPtr, disk.getBuffer (), bufferPtr, tfr);
dataPtr += BLOCK_SIZE; dataPtr += BLOCK_SIZE;
remaining -= BLOCK_SIZE; remaining -= BLOCK_SIZE;
@ -78,7 +76,7 @@ public class FileWriter
int actualBlockNo = getActualBlockNo (logicalBlockNo); int actualBlockNo = getActualBlockNo (logicalBlockNo);
int bufferPtr = actualBlockNo * BLOCK_SIZE + blockOffset; int bufferPtr = actualBlockNo * BLOCK_SIZE + blockOffset;
System.arraycopy (dataBuffer, dataPtr, buffer, bufferPtr, tfr); System.arraycopy (dataBuffer, dataPtr, disk.getBuffer (), bufferPtr, tfr);
destPtr += tfr; destPtr += tfr;
dataPtr += tfr; dataPtr += tfr;
@ -134,9 +132,9 @@ public class FileWriter
// ---------------------------------------------------------------------------------// // ---------------------------------------------------------------------------------//
{ {
if (storageType == TREE) if (storageType == TREE)
masterIndexBlock.write (buffer); masterIndexBlock.write (disk.getBuffer ());
else if (storageType == SAPLING) else if (storageType == SAPLING)
indexBlock.write (buffer); indexBlock.write (disk.getBuffer ());
} }
// ---------------------------------------------------------------------------------// // ---------------------------------------------------------------------------------//
@ -156,7 +154,7 @@ public class FileWriter
else if (storageType == SEEDLING) // seedling -> sapling -> tree else if (storageType == SEEDLING) // seedling -> sapling -> tree
{ {
indexBlock = new IndexBlock (allocateNextBlock ()); indexBlock = new IndexBlock (allocateNextBlock ());
indexBlock.set (0, keyPointer); indexBlock.setPosition (0, keyPointer);
masterIndexBlock.set (0, indexBlock); masterIndexBlock.set (0, indexBlock);
} }
@ -165,38 +163,39 @@ public class FileWriter
indexBlock = null; indexBlock = null;
} }
getIndexBlock (logicalBlockNo / 256).set (logicalBlockNo % 256, actualBlockNo); getIndexBlock (logicalBlockNo / 0x100).setPosition (logicalBlockNo % 0x100,
actualBlockNo);
} }
else if (logicalBlockNo > 0) // potential SAPLING else if (logicalBlockNo > 0) // potential SAPLING
{ {
if (storageType == TREE) // already a tree if (storageType == TREE) // already a tree
{ {
getIndexBlock (0).set (logicalBlockNo, actualBlockNo); getIndexBlock (0).setPosition (logicalBlockNo, actualBlockNo);
} }
else if (storageType == SAPLING) // already a sapling else if (storageType == SAPLING) // already a sapling
{ {
indexBlock.set (logicalBlockNo, actualBlockNo); indexBlock.setPosition (logicalBlockNo, actualBlockNo);
} }
else // new file or already a seedling else // new file or already a seedling
{ {
indexBlock = new IndexBlock (allocateNextBlock ()); indexBlock = new IndexBlock (allocateNextBlock ());
if (storageType == SEEDLING) // seedling -> sapling if (storageType == SEEDLING) // seedling -> sapling
indexBlock.set (0, keyPointer); indexBlock.setPosition (0, keyPointer);
keyPointer = indexBlock.blockNo; keyPointer = indexBlock.blockNo;
storageType = SAPLING; storageType = SAPLING;
indexBlock.set (logicalBlockNo, actualBlockNo); indexBlock.setPosition (logicalBlockNo, actualBlockNo);
} }
} }
else if (logicalBlockNo == 0) // potential SEEDLING else if (logicalBlockNo == 0) // potential SEEDLING
{ {
if (storageType == TREE) // already a tree if (storageType == TREE) // already a tree
{ {
getIndexBlock (0).set (0, actualBlockNo); getIndexBlock (0).setPosition (0, actualBlockNo);
} }
else if (storageType == SAPLING) // already a sapling else if (storageType == SAPLING) // already a sapling
{ {
indexBlock.set (0, actualBlockNo); indexBlock.setPosition (0, actualBlockNo);
} }
else else
{ {

2
src/com/bytezone/diskbrowser/prodos/write/IndexBlock.java
View File

@ -18,7 +18,7 @@ public class IndexBlock
} }
// ---------------------------------------------------------------------------------// // ---------------------------------------------------------------------------------//
void set (int position, int actualBlockNo) void setPosition (int position, int actualBlockNo)
// ---------------------------------------------------------------------------------// // ---------------------------------------------------------------------------------//
{ {
if (blocks[position] == 0) if (blocks[position] == 0)