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!Juliana++
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1994-01-10
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31 lines
!Juliana++
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(c) 1993 Jan Vlietinck/Robin Watts/Jamie Lokier
This program was originally written by Jan Vlietinck, and released on the
APDL authors disc. By far most of the work, and hence credit is down to him.
It has subsequently been hacked around by Jamie Lokier and myself (Robin
Watts) to:
a) make it run in a 256 colour mode,
b) Run with a background sprite of the mandelbrot set from which the
control point for the Julia set is chosen,
c) prettify the code greatly,
d) move more of the BASIC into assembler (to try and speed it up)
e) Munge the code severely so as to reduce recursion overheads, and
free some registers enabling several speedups.
Thanks go to Dom Layfield for hacking the sprite of the mandelbrot set into
the right aspect ratio and resolution for me (Why do none of the mandelbrot
programs around for the Arc let you have FULL control over the resultant
image?)
This is not a finished version of the program - further speedups are in the
pipeline (Gag!). This is just a taster for all those nice folks who just
can't wait.
Have fun,
Robin Watts