Re: [cc65] IEEE vs nonstandard floats - math.h???

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From: Groepaz (
Date: 2003-03-10 23:13:09

On Monday 10 March 2003 20:34, Ullrich von Bassewitz wrote:
> On Mon, Mar 10, 2003 at 03:50:48PM +0100, Groepaz wrote:
> > still in my old clumsy snapshot theres a halfway complete "math.h" and
> > float-stuff for the c64 (works on all cbm targets probably). :o)
> The library uses the BASIC subroutines, so (among) other things they will
> not work for programs exceeding $A000. On the Plus/4 with banking, the
> situation is even worse.

they do....theres a "lowcode" stub that takes care of banking basic in and 

> But within their limits, these functions are probably the way to have float
> support with as less overhead as possible on the C64 (and maybe some other
> CBMs). All functions are just small machine code wrappers for the BASIC ROM
> code.

yep...also everything you can do with basic is supported.... only the 
polynom-stuff is missing (i never used this from basic und i dont have a clue 
how it works hehe)

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