[Gllug] Re: Dual core AMDs

[Rich Walker]

Adrian McMenamin <adrian at mcmen.demon.co.uk> writes:

>> Rich Walker wrote:
>> > 
>> > You mean "256 registers, one accumulator, two index offset registers, and
>> > the ability to use any adjacent pair of registers for indirect
>> > addressing" is enough for anyone, shurely?
>
> Now, correct me if I am wrong but these "256 registers" - what you
> really mean is the first 256 bytes of RAM? Sounds like a bit of
> sophistry to me

No, it was the standard programming model. (Well, for *sane* programmers...)

>  - and, anyway, does not compare to the Z80s memory
> transfer built ins - write your screen RAM in memory and - zap - load it
> up when the *cough* monitor - oh alright then, B&W portable TV - is in
> refresh

The DRAM refresh on the Z-80 was pretty nice, I have to agree.

cheers, Rich.

-- 
rich walker         |  Shadow Robot Company | rw at shadow.org.uk
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