1. Trig and things Plus Palette stuff and a note about my game. I

Hello, who knows the fastest way to find an angle of a right angled
triangle, given the length of two of its sides. It doesn't need to be
too acurate, so perhaps it can be made fast by using integer numbers for
the results.

eg:


        /|
      /  |
    /    |a
  /     _|
/______|_|
A   b     C

Lengths a and b are known, and angle C is 90 degrees.
I need to find angle A.

Thanks if you can help. They didn't teach us that this year at school,
and i can't remember how to do it.

Once I've figured out how to find the angle, I'll have a new version of
my Death Factory Game, it's now called "Ground Zero", It doesn't seem to
like its names much ;) It has characters in it now, But they're not on
teams, and don't have ai either, so you just kill them with each other
if you feel like it, so theres no challenge to it yet or anything, but
it is still pretty cool!! Run it in dos, Windows does too much disk
swapping.. :(

It will be on my home page, hopefully in a few days..
    http://www.geocities.com/SiliconValley/Peaks/1899/index.html

Also, does anyone know how to set up a palette, using colors that have
been poked into memory, with out using peek and all_palette(), is there
some memory address i can copy the palette to or something?
i have multiple palettes, and change between them often, so it does slow
the game down by a noticable amount. (the colors poked are already in
the range 0..63 so no dividing by 4 is nesecary).

Now ya better help me or i'll get annoyed ;)

Thanx,
Mark / Liquid-Nitrogen;
-----------------------

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