Everything for Electronics
Nuts & Volts Magazine (May 2005)

The Root of the Problem : Performing Integer Square Roots

By James Antonakos    View In Digital Edition  

When I first began playing with microprocessors, the initial eight-bit CPUs had limited eight- and 16-bit addition and subtraction capabilities, but could not multiply or divide. I always had to write an eight-bit multiply subroutine when I needed one.


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