MC68000 "size" (was Re: modern serial terminal)
spc at conman.org
Thu Nov 8 23:10:09 CST 2007
It was thus said that the Great woodelf once stated:
> All this red herring's is about the data path.
> The address calculations are done 32 bits rather than
> intel's segment offset 16 bit hack. The real cry is you don't
> have 32 bit direct addressing on the 68000 so it is not 32bits.
> What could use it today as modern OS's don't have static addressing
What do you mean by 32-bit direct addressing? The 68000 has a 32-bit
absolute address mode. Okay, it only supports 16 bit offsets from a
register (A* or PC). I'm not sure I follow your argument here.
> Something after the 70's not running Fortran.
> pointer indirect is normal array accessing, not static.
I don't understand what you are saying here.
-spc (done my fair share of 68k programming)
More information about the cctech