Date   : Fri, 13 Oct 1989 16:00:49 EDT
From   : black@rom.ecse.rpi.edu (Jerry Glomph Black)
Subject: Z80 Algorithms

  (Jurjen N.E. Bos) writes:
>Maybe somebody is interested in this: I can multiply to unsigned 8-bit numbers
>in 158 clockcycles.  If you can beat me, please let me know.  If you are
>interested, I'll publish the algorithm.
>To make you anxious, I will not tell you the trick right now.
>(By the way: it costs less than 1K.)

Big deal! Use a 64180 (aka Z180) chip, has the MLT instruction, takes 17
clock cycles, or 1.85 micro seconds.  (By the way: it's a 2-byte instruction)

Jerry Glomph Black, 8-bit terrorist