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LZWUdates1
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1990-10-10
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686b
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15 lines
LZW Updates since version 1.01
1.02 - File errors (disc full ?) during compression were not handled right.
They are now.
- Added check on destination buffer length and 'Memory overflow' error
when the buffer overflows. r4 used to be 'unused', but action was
actually faulty when r4=0 (no output). All fixed now.
- Added return of number of result bytes in r5. This was present in
LZWD 1.03 (in r2), and is actually very much needed in LZW too
(you just cannot find out otherwise !).
- Added file-info preserve/restore for file-to-file (de)compression.
Used to produce only data & current date stamp files.