Re: PowerPC GS?

[jpenne@ee.ualberta.ca (Jerry Penner)]

thoang@orion.oac.uci.edu (Trangdaithi Hoang) writes:

>In article <bran0097.784957345@maroon.tc.umn.edu>,
>Kathleen Branin <bran0097@maroon.tc.umn.edu> wrote:

>>	With the power pc from mac currently, you could probaly write a 
>>//gs emulator that would work faster than your current GS, since the thing 
>>is basicaly emulating a 486, or 68000 now anyways, i dont think emulating 
>>a 65c18 would be all that more above...  video might be a trick though...

>I have my doubts that a PowerPC based IIgs emulator can match the
>performance of a real stock IIgs.  I have seen the Apple II+ emulator
>(STM?) running on a 40 MHz 68040 Mac with 66 MHz PowerPC processor
>card and it's a dog.  I think you would need at least the new 110 MHz
>PowerMac 8100 to get any decent speed out of the IIgs emulator.  I'm
>more interested in an emulator that can at least match the speed of
>a Zipped up IIgs running at 14-15 MHz.

Hmm.  I'm quite sure that with a well-written emulator, you could have
a PPC emulating a 65816 that runs at least a couple times faster than
a IIgs.  The best way to do this of course will be to have the toolbox
entry points run code that's compiled native to the PPC.
--
Jerry Penner   jpenne@ee.ualberta.ca   or   jjp@myrias.ab.ca