Re: Speed of AE Z80plus ?

[Greg Buchner <apple22@mn.rr.com>]

In article <20040801025044.10926.00002773@mb-m02.aol.com>,
 mjmahon@aol.com (Michael J. Mahon) wrote:

> (Unoptimized
> screen I/O that switched to the 6502 on each character compounded
> the sluggishness.)

I always thought that was just something inherent in Z-80 computers.  I 
worked at a place for a while that used Dec Rainbow 100's 
<http://www.cedmagic.com/history/dec-rainbow.html> and the screen when 
running under the Z-80 mode was incredibly slow.  It was like using the 
VT-100 part of it at about ~4800bps.  The company had these computers 
and all they used was the Z-80 side of them, even though they had some 
MS-DOS software sitting around that was loads faster.  That would do 
near instantaneous screen updates.

Greg B.

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