dos33fsprogs/vaporlock/fireworks/README

19 lines
453 B
Plaintext
Raw Normal View History

2018-09-12 15:46:08 +00:00
Apple II Cycle-Counting Fireworks demo
by Vince "Deater" Weaver
vince@deater.net
http://www.deater.net/weave/vmwprod/
Loosely based on a BASIC program by FozzTexx
Usage:
BRUN FIREWORKS
press any key to toggle sound and restart
This code uses cycle counting extensively.
This is how HGR and 40x96 LORES are mixed.
HPLOT0 was made cycle-invariant, which was a pain.
HGLIN (allowing HPLOT TO) was intended to be too, but I ran out of interest.