On Mon, 30 Nov 1998, Valery wrote:
> Date: Mon, 30 Nov 1998 10:17:07 +0600
> From: Valery <[EMAIL PROTECTED]>
> Reply-To: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
> Subject: Re: Turbo-R ?
>
>
> Hi
>
> >>Because R800 executing DJNZ & JR
> >>instruction another way for calculating destination address
> >
> >I don't think so. R800 can execute all Z80 code in the same way as a real
> >Z80 does.
> >
>
>
> Then no sense to put 2 processors
> I take it from Z80 and R800 Assembly/Machine Language Op-code Tables
The reason is that if it would not have a Z80A, it would not be able to
work with correct timing, and therefor may not be called MSX. Since the
R800 can execute all Z80 opcodes, MSX-software usually does work on R800
(if written correctly, of course)
Bye,
shevek
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