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This commit is contained in:
Denis Molony 2016-08-04 16:08:19 +10:00
parent 3062189ee8
commit 77aebb3597
7 changed files with 95 additions and 42 deletions
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11
src/com/bytezone/diskbrowser/applefile/PascalCode.java
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@ -29,7 +29,8 @@ public class PascalCode extends AbstractFile
if (false)
{
System.out.println (name);
byte[] key = new byte[] { 0x38, 0x00, 0x0C, 0x1C };
// byte[] key = new byte[] { 0x38, 0x00, 0x0C, 0x1C };
byte[] key = new byte[] { 0x0F };
Utility.find (buffer, key);
}
@ -64,10 +65,10 @@ public class PascalCode extends AbstractFile
text.append ("Segment Dictionary\n==================\n\n");
text.append ("Slot Addr Len Len Name Kind"
+ " Text Seg# Mtyp Vers I/S\n");
text.append ("---- ---- ----- ----- -------- ---------------"
+ " ---- ---- ---- ---- ---\n");
text.append ("Slot Addr Blks Len Len Name Kind"
+ " Txt Seg Mch Ver I/S I/S\n");
text.append ("---- ---- ---- ---- ----- -------- ---------------"
+ " --- --- --- --- --- ---\n");
for (PascalSegment segment : segments)
text.append (segment.toText () + "\n");

13
src/com/bytezone/diskbrowser/applefile/PascalProcedure.java
View File

@ -67,7 +67,7 @@ public class PascalProcedure
while (ptr < max)
{
System.out.printf ("ptr:%d, max:%d, buf:%d %n", ptr, max, buffer.length);
// System.out.printf ("ptr:%d, max:%d, buf:%d %n", ptr, max, buffer.length);
if (ptr >= buffer.length || ptr < 0)
{
System.out.println ("Ptr outside buffer");
@ -138,15 +138,14 @@ public class PascalProcedure
StringBuilder text = new StringBuilder ("\nProcedure Header\n================\n\n");
if (false)
text.append (HexFormatter.format (buffer, procOffset + jumpTable, 2 - jumpTable)
+ "\n\n");
text.append (
HexFormatter.format (buffer, procOffset + jumpTable, 2 - jumpTable) + "\n\n");
text.append (String.format ("Level.......%5d %02X%n", procLevel,
procLevel & 0xFF));
text.append (
String.format ("Level.......%5d %02X%n", procLevel, procLevel & 0xFF));
text.append (String.format ("Proc no.....%5d %02X%n", procedureNo, procedureNo));
text.append (String.format ("Code entry..%5d %04X (%04X - %04X = %04X)%n",
codeStart, codeStart, (procOffset - 2), codeStart,
(procOffset - codeStart - 2)));
codeStart, codeStart, (procOffset - 2), codeStart, (procOffset - codeStart - 2)));
text.append (String.format ("Code exit...%5d %04X", codeEnd, codeEnd));
if (codeEnd > 0)
text.append (String.format (" (%04X - %04X = %04X)%n", (procOffset - 4), codeEnd,

80
src/com/bytezone/diskbrowser/applefile/PascalSegment.java
View File

@ -11,7 +11,8 @@ public class PascalSegment extends AbstractFile implements PascalConstants
private final int segmentNoHeader;
private int segmentNoBody;
public final int blockNo;
public int blockNo;
public int newBlockNo;
public final int size;
private final int segKind;
@ -23,6 +24,19 @@ public class PascalSegment extends AbstractFile implements PascalConstants
private final int slot;
private int totalProcedures;
private List<PascalProcedure> procedures;
private static final List<Redirection> redirections = new ArrayList<Redirection> ();
static
{
// somehow this should match the data in SYSTEM.RELOC
redirections.add (new Redirection ("WIZARDRY", 0x01, 0x1C66, 0x01));
redirections.add (new Redirection ("KANJIREA", 0x013F, 0x104E, 0x10));
redirections.add (new Redirection ("UTILITIE", 0x48, 0x1598, 0x19));
redirections.add (new Redirection ("SHOPS", 0x53, 0x0BE2, 0x24));
redirections.add (new Redirection ("CAMP", 0x70, 0x24CA, 0x2A));
redirections.add (new Redirection ("DOCOPY", 0x83, 0x07A0, 0x3D));
redirections.add (new Redirection ("DOCACHE", 0x87, 0x072E, 0x41));
}
public PascalSegment (String name, byte[] fullBuffer, int seq)
{
@ -32,12 +46,21 @@ public class PascalSegment extends AbstractFile implements PascalConstants
this.blockNo = HexFormatter.intValue (fullBuffer[seq * 4], fullBuffer[seq * 4 + 1]);
this.size = HexFormatter.intValue (fullBuffer[seq * 4 + 2], fullBuffer[seq * 4 + 3]);
for (Redirection redirection : redirections)
if (redirection.matches (name, blockNo, size))
{
newBlockNo = redirection.newOffset;
break;
}
segKind = HexFormatter.intValue (fullBuffer[0xC0 + seq * 2],
fullBuffer[0xC0 + seq * 2 + 1]);
textAddress = HexFormatter.intValue (fullBuffer[0xE0 + seq * 2],
fullBuffer[0xE0 + seq * 2 + 1]);
// segment 1 is the main segment, 2-6 are used by the system, and 7
// onwards is for our program
this.segmentNoHeader = fullBuffer[0x100 + seq * 2] & 0xFF;
int flags = fullBuffer[0x101 + seq * 2] & 0xFF;
machineType = flags & 0x0F;
@ -48,21 +71,23 @@ public class PascalSegment extends AbstractFile implements PascalConstants
fullBuffer[0x120 + seq * 4 + 3]);
int offset = blockNo * 512;
if (newBlockNo > 0)
offset = newBlockNo * 512;
// System.out.printf ("Seq:%d, block:%d, size:%d, seg:%d, kind:%d, address:%d %n", seq,
// blockNo, size, segmentNoHeader, segKind, textAddress);
// System.out.println (HexFormatter.format (fullBuffer));
if (offset < fullBuffer.length)
{
buffer = new byte[size]; // replaces this.buffer with the segment buffer only
System.arraycopy (fullBuffer, blockNo * 512, buffer, 0, size);
System.arraycopy (fullBuffer, offset, buffer, 0, size);
totalProcedures = buffer[size - 1] & 0xFF;
segmentNoBody = buffer[size - 2] & 0xFF;
if (segmentNoHeader == 0)
System.out.printf ("Zero segment header in %s seq %d%n", name, seq);
else if (segmentNoBody != segmentNoHeader)
System.out.println ("Segment number mismatch : " + segmentNoBody + " / "
+ segmentNoHeader);
System.out.println (
"Segment number mismatch : " + segmentNoBody + " / " + segmentNoHeader);
}
else
{
@ -82,10 +107,14 @@ public class PascalSegment extends AbstractFile implements PascalConstants
public String toText ()
{
return String
.format (" %2d %02X %04X %,6d %-8s %-15s %3d %02X %d %d %d %d",
slot, blockNo, size, size, name, SegmentKind[segKind], textAddress,
segmentNoHeader, machineType, version, intrinsSegs1, intrinsSegs2);
int sizeInBlocks = (size - 1) / 512 + 1;
String newBlock = newBlockNo > 0 ? String.format ("%02X + %02X = %02X", newBlockNo,
sizeInBlocks, (newBlockNo + sizeInBlocks)) : "";
return String.format (
" %2d %02X %02X %04X %,6d %-8s %-15s%3d "
+ "%02X %d %d %d %d %s",
slot, blockNo, sizeInBlocks, size, size, name, SegmentKind[segKind], textAddress,
segmentNoHeader, machineType, version, intrinsSegs1, intrinsSegs2, newBlock);
}
@Override
@ -114,18 +143,18 @@ public class PascalSegment extends AbstractFile implements PascalConstants
text.append (HexFormatter.format (buffer, buffer.length - len, len) + "\n\n");
text.append ("Proc Offset Lvl Entry Exit Parm Data Proc header\n");
text.append ("---- ------ --- ----- ---- ---- ---- --------------------\n");
text.append (
"---- ------ --- ----- ---- ---- ---- --------------------\n");
for (PascalProcedure procedure : procedures)
{
if (procedure.valid)
{
int address = size - procedure.slot * 2 - 2;
text.append (String
.format (" %3d %04X %3d %04X %04X %04X %04X (%04X - %04X = %04X)%n",
text.append (String.format (
" %3d %04X %3d %04X %04X %04X %04X (%04X - %04X = %04X)%n",
procedure.procedureNo, procedure.offset, procedure.procLevel,
procedure.codeStart, procedure.codeEnd, procedure.parmSize,
procedure.dataSize, address, procedure.offset,
procedure.procOffset));
procedure.dataSize, address, procedure.offset, procedure.procOffset));
}
else
text.append (String.format (" %3d %04X%n", procedure.slot, procedure.offset));
@ -136,8 +165,8 @@ public class PascalSegment extends AbstractFile implements PascalConstants
{
List<PascalCodeStatement> strings = pp.extractStrings ();
for (PascalCodeStatement cs : strings)
text.append (String.format (" %2d %04X %s%n", pp.procedureNo, cs.ptr,
cs.text));
text.append (
String.format (" %2d %04X %s%n", pp.procedureNo, cs.ptr, cs.text));
}
for (PascalProcedure procedure : procedures)
@ -146,3 +175,24 @@ public class PascalSegment extends AbstractFile implements PascalConstants
return text.toString ();
}
}
class Redirection
{
int oldOffset;
int newOffset;
int length;
String name;
public Redirection (String name, int oldOffset, int length, int newOffset)
{
this.name = name;
this.oldOffset = oldOffset;
this.newOffset = newOffset;
this.length = length;
}
public boolean matches (String name, int offset, int length)
{
return this.name.equals (name) && this.oldOffset == offset && this.length == length;
}
}

5
src/com/bytezone/diskbrowser/applefile/Relocator.java
View File

@ -100,8 +100,9 @@ public class Relocator extends AbstractFile
@Override
public String toString ()
{
return String.format (" %04X %04X %04X %04X", logicalBlock,
physicalBlock, segmentLength, (physicalBlock - 0x46));
return String.format (" %04X %04X %04X %04X %04X",
logicalBlock, physicalBlock, segmentLength,
(logicalBlock - 0x46), (physicalBlock - 0x46));
}
}
}

5
src/com/bytezone/diskbrowser/pascal/CatalogEntry.java
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@ -30,16 +30,15 @@ abstract class CatalogEntry implements AppleFileSource
firstBlock = HexFormatter.intValue (buffer[0], buffer[1]);
lastBlock = HexFormatter.intValue (buffer[2], buffer[3]);
fileType = HexFormatter.intValue (buffer[4], buffer[5]);
// fileType = buffer[4] & 0x0F;
name = HexFormatter.getPascalString (buffer, 6);
bytesUsedInLastBlock = HexFormatter.intValue (buffer[16], buffer[17]);
Disk disk = parent.getDisk ();
for (int i = firstBlock; i < lastBlock; i++)
{
if (i >= 280)
if (i >= 0x118)
{
System.out.printf ("CatalogEntry: block %04X >= 280%n", i);
System.out.printf ("CatalogEntry: block 0x%04X >= 0x0118%n", i);
break;
}
blocks.add (disk.getDiskAddress (i));

3
src/com/bytezone/diskbrowser/pascal/FileEntry.java
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@ -64,6 +64,9 @@ class FileEntry extends CatalogEntry
switch (fileType)
{
case 2:
if (name.equals ("SYSTEM.INTERP"))
file = new AssemblerProgram (name, buffer, 0xD000);
else
file = new PascalCode (name, buffer);
break;

2
src/com/bytezone/diskbrowser/pascal/PascalDisk.java
View File

@ -103,7 +103,7 @@ public class PascalDisk extends AbstractFormattedDisk
fileEntries.add (fileEntry);
DefaultMutableTreeNode node = new DefaultMutableTreeNode (fileEntry);
if (fileEntry.fileType == 2) // PascalCode
if (fileEntry.fileType == 2 && fileEntry.getDataSource () instanceof PascalCode) // PascalCode
{
node.setAllowsChildren (true);
PascalCode pascalCode = (PascalCode) fileEntry.getDataSource ();