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Forums > C64 Coding > calculating of square roots ?
2006-06-29 00:59
Trifox
Account closed

Registered: Mar 2006
Posts: 108
calculating of square roots ?

hi all, for my newest project i am in urgent need to calculate the length of a 2d vector, reminding pythagorian math i remember that i have to calculate the roots of a fixed point (8bits.8bits) number, how can that be mastered in a convenient way ?!?!?!

thx
 
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2006-07-13 17:55
chatGPZ

Registered: Dec 2001
Posts: 11510
lda table,x


8 bit input is in X, 8 bit output in A

*runs*
2006-07-14 06:33
Monte Carlos

Registered: Jun 2004
Posts: 370
I already posted, where you can look for it ;)

Monte
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