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circle8.doc
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1995-03-31
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(Comp.sys.hp48)
Item: 2395 by dougc@bert.cs.byu.edu [Douglas R. Cannon]
Subj: Circle drawing.
Date: 21 Dec 1992
Try the program CIRCLE on Goodies disk #7. It is very fast.
BTW, the goodies disk index has no name for the author of the program.
Christophe NGUYEN (same guy that wrote TRON) is the author.
[Thanx, Doug. -jkh-]
CIRCLE takes 2 arguments on entry:
- A real for the diameter of the circle. If this number is negative,
the CIRCLE will draw a white circle with a diameter that is the absolute
value of the real given.
- A complex number containing the coordinates at which to draw the circle.
These two arguments are left on the stack, so if you don't need them, then
you should execute a DROP2.
Enjoy!
-Doug Cannon