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1992-09-02
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PPMiniCrunch v1.2
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PPMiniCrunch is Copyright 1993 Sam Baker
Contact me at 100 Beauley Road,
Southville,
Bristol,
BS3 1QG.
E-Mail address at Leeds University should be available October 93 - If I
passed my A-Levels :=)
History
=======
v0.1 to v0.5 July 28th 1993 - July 31st 1993
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Unfinished - ppmc was still in development and didn't entirely work due to
large bits of code being so far unwritten.
v1.0 July 31st - August 1st
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First release version - seems to be bug free but doesn't decrunch files -
only crunches them. Also does not support exe files but only because
powerpacker.library version 35 includes a ppWriteDataHeader() function but
not a ppWriteExeHeader() type function. PPMiniCrunch will support this as
soon as powerpacker.library does :=)
v1.1 August 1st - August 2nd
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Now supports decrunching and saving of decrunched files!
v1.11 August 3rd
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The 'File Crunched.' message is now changed to...
'File Crunched. (##% Gain).'
Partly to stop Carl Vincent of Paulton, Avon from complaining.
v1.12 August 4th
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Now features command line options, C=CUSTOMSCREEN to put the PPMiniCrunch
requester in its own screen and FILE|DIR. The latter selects the initial
directory for the file requester and if a file is appended to the path
PPMiniCrunch will attempt to load the file as if it was selected from the
source gadget.
v1.2 August 5th - August 8th
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ppAllocCrunchInfo() now gets passed a callback hook function that I use to
allow abortable crunching (via RMB checking), and to fill the info text
gadget up with colour 3 (green in my preferences :-]), the filled:unfilled
ratio being equal to the crunched:uncrunched ratio. Also includes better
command line handling (introduced in v1.12) and displays the two more
important messages ("File crunched etc." and "File decrunched") until another
message appears rather than dissapearing after 25 Intuiticks like all the
other messages do. Also the executable is SMALLER than v1.12 because the
info text gadget is no longer a gadtools TEXT_KIND gadget, but instead it
is a gadtools rendered BevelBox (stupid name) with the text rendered in
using the graphics library _LVOText() function.
Now includes kickstart version checking other than when opening libraries.
This is because the first function called in previous versions was the
DOS call, ReadArgs() which jumped way beyond the dos library jump table on
OS 1.3 and promptly threw a guru.
PPMiniCrunch can now be run from workbench with its own icon. You can shift-
select a directory making it the default dir for the file requester or
shift-select a file making the file's dir the current one and selecting the
file as if it was an argument when running PPMC from the Shell. This will
decrunch the shift-selected file if it was already crunched. Also using
the Workbench Information menu item you can set the tooltypes to:
CUSTOMSCREEN=ON, or CUSTOMSCREEN=YES to make PPMC open on a custom screen,
or,
CUSTOMSCREEN=ANYTHING_ELSE (e.g. OFF, NO etc.) to disable this function.
v1.3
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Not written yet. Should include support for (de)crunching files with 'PX20'
header, i.e. those with password key type encryption.