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ReadMe.Amiga
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1994-10-19
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This is the Amiga port of hpcdtoppm written by Hadmut Danisch.
(danisch@ira.uka.de)
This port is done by Günther Röhrich. (Guenther@studbox.uni-stuttgart.de)
This program is originally written for UNIX machines and needs a lot of memory,
especially for the higher resolutions. If the program aborts due to a lack of
memory you may try it again after a reboot of your machine. The use of virtual
memory is highly recommended.
It is based in part on the work of the Independent JPEG Group. (I am using
version 4 of their JPEG software, I will turn to version 5 when I got the time)
******************************************************************************
* WARNING: increase your stack size to at least 10000 before using hpcdtoppm *
******************************************************************************
System requirements:
An Amiga with lot of (virtual) memory and:
- OS 2.0 or higher
- ixemul.library V39 or higher in the LIBS: directory
(you can find the library on Aminet in dev/gcc)
- a CD-ROM drive capable of reading Photo-CD's
The programs with the ending .020 will need a 68020 or higher processor.
As input to this program you need some pictures in the Photo-CD format. These
have the ending .PCD and can be found in the directory PHOTO_CD/IMAGES.
This port also supports creating the JPEG format. (color format only)
I have added additional options similar to the program cjpeg. It is recommended
to read the documentation to cjpeg before creating JPEG pictures. You should
also know that the JPEG-conversion is lossy. Use the ppm format to get the best
possible quality.
Note: If you use the option -optimize when creating JPEG pictures this program
will try to store temporary files in JPEGTMP:. You should assign this directory
to somewhere before invoking the program.
(for example with the command assign JPEGTMP: HD:T)
You can find the documentation in two formats:
hpcdtoppm.dvi - for printing with a TeX system
hpcdtoppm.man - for direct printing
(type hpcdtoppm.man >prt:)
- for showing on the screen
(more hpcdtoppm.man)
The rest of the German doc "LIESMICH.AMIGA" is not yet translated, sorry.
If you found a bug in this program then please contact me. You may also report
the bug to the original author, Hadmut Danisch, if it is not Amiga-specific.
Tested configuration:
Amiga 4000/030, OS 3.0, 2MB Chip, 4MB Fast
Processor: 68EC030/25MHz, Coprocessor: 68882/32MHz
CD-ROM drive: Mitsumi FX 001 D
Controller: Tandem CD+IDE
Filesystem: TandemCacheCDFS
Next I intend to implement a direct display on the screen. I will use the
routines from jpegAGA, therefore it will be for AGA machines only.
This will be a free program too and I will also release the complete source.
If you are interested in such a program it would be very nice if you would
lend me some PhotoCD's for testing purposes. You will get them back together
with my viewer/converter as soon as it will be working. If you give them to
me as a present I will be even more happy. Your name will then be mentioned
in the documentation and I will also send you the program.
To contact me write to:
electronic mail: normal mail:
**************** ************
Guenther@studbox.uni-stuttgart.de Günther Röhrich
(Internet EMAIL) Lerchenbergstr. 4
73733 Esslingen
Germany
If you don't get an answer to a EMAIL within 3 weeks then try it again
with normal mail.