Ricardo Bittencourt Vidigal Leitao wrote:
> On Fri, 21 Apr 2000, Laurens Holst wrote:
>
> > The Z80 is quite simple, constructed very logical... I think that if you
> > know how to program PLD's it shouldn't be too hard to make... But why??? It
> > is still available!!!
>
> Perhaps... because you can add new opcodes? :)
>
> The ACE002 has an Altera between the ram and the z180, and it will
> be used to add the missing secret instructions. But if I ever get my hands
> on the VHDL code of Ademir there's no doubt I'll add a lot of useful
> things :)
Like what? :-)
I believe the z80 in PLD is a great idea. Some time ago, i read in hnostar that
ASCII in Japan was thinking about developing a new z80 at 100 Mhz to use
if they produce a new MSX. Well, we all know that this new MSX will never
come out, but the idea of a fast z80 using a pld is great. great because you can
do it fast, because you can add new features, and because if zilog stop producing
z80's, you won't be in trouble as the people that did Moonsound was (they can't
make Moonsound anymore).
[]s
Mauricio Braga.
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