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UNDL 1.2 19.01.93
ABOUT
UNDL unpacks DL animation files from PClones into frames. Each
frame is stored as an 8-bit IFF file, which can then be converted
to HAM or some other Amiga format before recombination into an
Amiga GL file. This is a KS2.0 program.
UNDL is Copyright © 1993 by John Bickers.
REQUIREMENTS
KS2.0 and Christian Weber's iff.library are essential. The latter
is available from amiga.physik.unizh.ch and its mirrors, or from
Fish disk #674.
USAGE
The usage template is:
FROM/A,CENTRE/S,INFO/S,SAVECONTROL/K
The FROM option is the name of the DL you want to unpack. The
frames will be stored in the current directory with names of the
form undl.NNN, where NNN is the frame number. This number counts
from one.
The CENTRE option will centre each frame within a 320x200
rectangle. This is convenient for building an IFF animation file,
but should never be used when building a GL file.
The INFO option will make UNDL quit after displaying the header
information.
The SAVECONTROL option specifies the name of a "control" file to
use. This file is a list of the order in which the frames should
be played, and can be used to construct FLY commands for a GL
animation. "mark" and "loop" commands are inserted as required,
though you'll have to add the "fly" commands yourself.
USEFUL UTILITIES
Ed Hanway's HamLabPlus is very handy for converting the frames
from 8-bit pictures to a more usual Amiga format.
My GL package can be used to create an Amiga GL file out of the
frames, as well as play the resulting animation.
My mkanim utility can be used to recombine the frames back into an
IFF ANIM file.
GL OR ANIM?
A GL version of a DL file is quite likely to turn out smaller than
an ANIM version, though of course it depends on the animation. I
converted the file BIRRA.DL into both ANIM and GL, and the GL file
was less than half (!) the size of the ANIM one.
CREDITS
UNDL is written by John Bickers using SAS C 6.1.
The DL file format and PC programs were created by Davide Tome'
and Luca De Gregorio.
Christian A. Weber's iff.library is used for saving ILBM files.
The format of a DL file was obtained by looking at BIRRA.DL, and
running Davide and Luca's DL-VIEW.EXE under Microsoft's CodeView
debugger.
DISTRIBUTION
UNDL is Copyright © 1993 by John Bickers.
Distribution is via normal channels. That is, distribute it for
free, or for Fred Fish like costs, but not more. And remember to
include the documentation.
This program is not shareware in the sense that you should pay for
it if you use it a lot, but suggestions or demands will be
received in a spirit of pronounced no-enthusiasm unless
accompanied by a donation of some sort.
If you have one lying around, why not send me an R18 DL?
CONTACT INFO
If you're having problems or would like to pay me to convert a
file, I can be reached at:
John Bickers
214 Rata St
Naenae 6301
New Zealand
Or: jbickers@templar.actrix.gen.nz
DISCLAIMER
It works on my machine.