Re: 20MHz 65C816 (IIGS CPU) in production: used in C= accelerator

[rubywand@aol.com]

In article <58v1cq$rkd@darla.visi.com>, nathan@visi.com (Nathan Mates)
writes:

>
>In article <19961214193500.OAA01702@ladder01.news.aol.com>,
> <rubywand@aol.com> wrote:
>>     True enough. The cure is not especially complicated. What we need
is
>>a 20MHz New GS plug-in "accelerator card" which includes 32MB of main
RAM
>>and 4MB of FlashRAM 'System ROM'.
>
>   Given that the 65816 can address 16MB of memory total, this is a
>waste.
>

     Not at all. We can 'bank-switch' 16MB blocks.

     16MB chunks of for-PC memory are very inexpensive. 32MB gives us
plenty of space for large-format pics, animations, sound sequences, etc..



>   "What we need" is a dangerous statement.


     Do not be concerned. It will not bite.



>If you really want it, go make it yourself, rather than blanket
statements
>telling others that you need something, and hoping that they'll
>just give it to you.
>

    "... just give it to you "? This is a nice thought; but, alas, it does
not very seem likely.


     The idea behind the New GS board is that it is a relatively easy
extension of current accelerator board designs. New GS is a doable project
for makers of GS boards which could be a genuine money-maker.

     It has already been observed that, as a 20MHz accelerator running
current GS wares, New GS would not greatly improve speed over accelerators
now available. Still, there will be some improvement. Getting to run
current wares on a 20MHz accelerator is a decent up-front benefit.

    The big gain would be for the next generation of GS wares written to
take advantage of a 20MHz 65C816 accessing 16MB blocks of RAM at high
speed. If we make the top-of-card bus PC-compatible, new wares could take
advantage of SVGA and 32-bit sound cards, too! 


Rubywand