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From: melling@cs.psu.edu (Michael D Mellinger)
Subject: Re: Blitter vs. 040 (was: Computer Architecture question
In-Reply-To: peter@sugar.hackercorp.com's message of Sat, 18 May 1991 10: 44:57 GMT
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References: <lv2H#zg5@cs.psu.edu> <1991May16.045252.7706@NCoast.ORG>
	<7haHkcs5@cs.psu.edu> <1991May18.104457.28023@sugar.hackercorp.com>
Date: Sat, 18 May 1991 23:10:03 GMT
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In article <1991May18.104457.28023@sugar.hackercorp.com> peter@sugar.hackercorp.com (Peter da Silva) writes:

   > what can we conclude?  A DOS emulator that Peter da Silva would
   > appreciate?

   Watch it, dude. You're skating on thin ice here.

I was just refering to your disdain for DOS emulators.  You seem to
think that they are completely useless.

   > Of course, we just can't add the mips, because the blitter
   > is dedicate to graphics.  So, which chip do you let do the graphics?
   > The one that does N mips or 3N mips?

   Depends on the graphics. No point in using the 68040 to scroll console windows
   if the blitter is already doing it as fast as you can go. I use the chip that's
   doing it fast enough. The CHIP bus is already full anyway, remember. Might as
   well tow it with the pickup as the ferrari.

Would a blitter in the NeXT be scrolling as fast as it can?  It can
only move data 16 bits at a time, correct?

   > Let me know how well the 88K or R4000 fits into the current Amiga when
   > it comes time to make a bigger and better Amiga.  Or is Commodore
   > going to wait for the 050?

   Probably gonna work on a $1000 030 or 040 machine first. Remember, the Amiga
   has an entry-level machine as well.

So, does the NeXT, it just costs $5000. :-) A $999 030(32 bit bus)
Amiga with a flicker fixer would be nice, but how long do you think it
will be before you see one?  Perhaps if Commodore used one of Motos
new 030's without an MMU.

-Mike