Apple-2-Tools/dmolony-DiskBrowser
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tidying

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This commit is contained in:
Denis Molony 2019-09-05 13:11:29 +10:00
parent c840ddf223
commit a7de707db4
1 changed files with 8 additions and 8 deletions
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16
src/com/bytezone/diskbrowser/nib/DiskReaderGCR.java
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@ -22,8 +22,8 @@ public class DiskReaderGCR extends DiskReader
int outPtr = 0;
int[] checksums = new int[3];
// decode four disk bytes into three data bytes (175 * 3 - 1 = 524)
for (int j = 0; j < 175; j++)
// decode four disk bytes into three data bytes (174 * 3 + 2 = 524)
while (true)
{
// ROL first checksum
checksums[0] = (checksums[0] & 0xFF) << 1; // shift left
@ -43,12 +43,12 @@ public class DiskReaderGCR extends DiskReader
outBuffer[outPtr++] = checksum (b0, checksums, 0, 2);
outBuffer[outPtr++] = checksum (b1, checksums, 2, 1);
if (j < 174) // get third byte if we are not at the very end
{
byte d2 = byteTranslator.decode (inBuffer[inPtr++]); // translate
byte b2 = (byte) ((d2 & 0x3F) | ((d3 & 0x03) << 6)); // reassemble
outBuffer[outPtr++] = checksum (b2, checksums, 1, 0); // checksum
}
if (outPtr == outBuffer.length)
break;
byte d2 = byteTranslator.decode (inBuffer[inPtr++]); // translate
byte b2 = (byte) ((d2 & 0x3F) | ((d3 & 0x03) << 6)); // reassemble
outBuffer[outPtr++] = checksum (b2, checksums, 1, 0); // checksum
}
// decode four disk bytes into three data bytes