[ Brad Rogers wrote: ]
> That's mainly due to the way the Surf works. Although serial port
> problems aren't as bad as SCSI delays over the Surf. More DMA
> contention, you see.
> > Surf Squirrel eats some CPU time too!
> Ah, you already know that, I see. :-))
I have a Surf Squirrel and the DMA contention and/or CPU usage
problem with 256 color screens is better than with the stock
serial port. However, when I switched from 030/50 to 040/40
the problem got worse. 10 MHz less CPU cycles probably provides
less interrupts for servicing the Surf Squirrel serial port.
Both iBrowse v2.1 and Voyager v3pre5 crash my whole machine
when I switch them to 128 color mode. It's probably not the
programs themselves. I think it's coming from a datatype color
remapping problem.
Anyway, all this discussion about the contention topic has
been great, but I still haven't seen my original question
answered. It was . . . What is the best 256 color screenmode
to use on AGA to minimize the DMA and/or CPU contention ???
--
|=======================================================================|
| Michael Rye |Micronik Infinitiv A1200 Tower, Zorro II Backplane|
|UNIX/DBA/C/HTML/Java| Blizzard 1240-40 MHz, 42 Meg RAM, 2.2 Gig HD |
| Team AMIGA | Blizzard 1230 SCSI, Surf Squirrel, SupraFAX 33.6 |
| [EMAIL PROTECTED] | NEC 16X SCSI-II CD-ROM, Seagate TapeStor 8000 |
|=======================================================================|
| This space intentionally left blank. |
|=======================================================================|
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