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Found 2 results

  1. Hi together! First of all, we will give Charles W. Marslett a Zotta (10^24) thank you for all his work he has done and another one for giving us the source code of his work into PD. Charles, from all 5 continents from all Atari users: Thank you so much!!! After a long search and loop verfication with Charles, we now can offer you: FAST FLOATING POINT source code for the ATARI, Revision F The first publication was made in 1981, improved and adapted to more and more Atari computers over the years. With Charles's work it was possible for the first time officially to make reliable calculations! All this up to 3.5 times faster than the original Atari rom for the floating point routines from $D800 to $DFFF. Another great advantage: all addresses for the floating point routines are the same as in the original Atari one! With the now final version F, sorry to say, all Atari OSs need to be vaccinated... Luckily, this can be done in just one shot by replacing the specific OS rom. Please take into account, Charles did this in 1981, while: https://en.wikipedia.org/wiki/IEEE_754 is from 1985 on... This shows how far ahead of time Charles was and still is! For the gamers this could be a nice increase in calculation speed, like: https://en.wikipedia.org/wiki/Fast_inverse_square_root in the game Doom later. For serious calculations, this is a no miss under all circumstances. We further would like to thank Robert "Bob" Puff for translating the original AMAC source code from Charles to the MAC/65 and drac030 for finding the very last byte to be changed. A big thank you goes to the University of Michigan for hosting the file: faschips.arc Have fun and warm up the EPROM bruners... All the best.
  2. Hi together, For the preservation project and the Wiki, we search for just a single file: FLOAT.OBJ, please see the picture attached. It is from Hofacker/ELCOMP and was sold additional to their Power FORTH package, which is the same as fig-FORTH. It was called: Floating Point Package for POWER Forth #7230. So, even if someone has the FLOAT.OBJ file from the fig-FORTH package, that would help us very much. Thank you all for your help. 🙂
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