Code related to reading IFF ILBM files on a DOS PC.

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John Bintz 1ff32316f8 initial commit		2024-02-04 17:09:38 -05:00
README.md	initial commit	2024-02-04 17:09:38 -05:00
chicken art 32 compressed.iff	initial commit	2024-02-04 17:09:38 -05:00
chicken art 32 uncompressed.iff	initial commit	2024-02-04 17:09:38 -05:00
iffilbm.c	initial commit	2024-02-04 17:09:38 -05:00
load_uncompressed.c	initial commit	2024-02-04 17:09:38 -05:00
vgapal.c	initial commit	2024-02-04 17:09:38 -05:00

IFF ILBM reader on DOS PC

There's three pieces of code in here, two for the PC and one for the Amiga.

PC code

vgapal.c cycles through every greyscale color that VGA can handle.
iffilbm.c can read up to 32 color IFF ILBM files, either compressed or uncompressed, cropping them to the top left 320x200 pixels.

Compile using Open Watcom 2.0 and use the the DOS/4G protected mode compiler wlc386.

load_uncompressed.c will render chiicken art 32 uncompressed.iff without doing any translation of the BODY chunk -- it will load it raw into Chip RAM and set up the correct modulos for the custom chips to display it.

Compile using SAS/C: sc load_uncompressed.c link.