swirl

swirly patterns
M.Dobie
1994

History 01-Nov-2000: Allocation checks
13-May-1997: jwz_at_jwz.org: turned into a standalone program.
21-Apr-1995: improved startup time for TrueColour displays
(limited to 16bpp to save memory) S.Early
09-Jan-1995: fixed colour maps (more colourful) and the image now spirals
outwards from the centre with a fixed number of points drawn
every iteration. Thanks to M.Dobie .
1994: written. Copyright (c) 1994 M.Dobie
based on original code by R.Taylor