Motorola 68k family ( was Re: Comparison of system specs. )

From: emanuel stiebler <emu_at_ecubics.com>
Date: Sun Dec 12 12:20:08 1999

----- Original Message -----
From: Zane H. Healy <healyzh_at_aracnet.com>
To: Discussion re-collecting of classic computers
<classiccmp_at_u.washington.edu>
Sent: Saturday, December 11, 1999 4:28 PM
Subject: Motorola 68k family ( was Re: Comparison of system specs. )


> > I find that very odd as usually each suceeding generation of CPU
typically
> >includes more instructions (or more addressing modes). It may be that
the
> >latest 68k CPUs have timing differences that make running certain Amiga
> >software problematic. Do you have any more information on this?
> >
> > -spc (Have Amiga will program)
>
> Unfortunatly I don't remember where I read that for sure, and I'm not 100%
> sure it's the Dragonball, but the Dragonball sounds like the right follow
> on processor. I think I read it in the TEAM Amiga Mailing list, in one of
> Dave Haynie's posts, but like I said, I don't remember.
>
> However, I think even some of the 68040 and 68060 series chips don't have
> all the instructions of earlier processors. We got any 68k pro's around
> here?
AFAIR, the FPU in had not all the instructions of the original 68881&68882.
   some of the trigonemtric functions were missing, and motorola provided a
library with an emulation of this ...

but that's a long time ago ...

cheers,
emanuel
Received on Sun Dec 12 1999 - 12:20:08 GMT