24 Apr
2007
24 Apr
'07
10:51 p.m.
Subject: Re: Hand-rolling a CP/M machine
From: Warren Wolfe <wizard at voyager.net>
Date: Tue, 24 Apr 2007 15:13:32 -0400
To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at
classiccmp.org>
On Tue, 2007-04-24 at 12:21 -0400, Allison wrote:
Gee I really didn't think that needed a smiley.
Allison
Another equally sneeky/sleezy trick was to force
NOPs (00h) on the buss
till you hit the rom address where you disable the force nop logic.
That's slow (takes 61.4mS at 4mhz) though.
Only to a computer... That is .0614 seconds, considerably less than
a tenth of a second. Studies have shown that most people cannot even
detect intervals of less than a tenth of a second. Methinks thou dost
protest too much...
25 Apr
25 Apr
1:42 p.m.
On Tue, 2007-04-24 at 17:51 -0400, Allison wrote:
Gee I really didn't think that needed a smiley.
I'm a major shareholder in SmileyCo. Please use smileys wherever
practical. Most people don't know any other way to use a semicolon; the
warehouses are jammed with them.
Peace,
Captain Literal,
wizard at voyager.net
Another equally sneeky/sleezy trick was to force NOPs
(00h) on the buss
till you hit the rom address where you disable the force nop logic.
That's slow (takes 61.4mS at 4mhz) though.
Only to a computer... That is .0614 seconds, considerably less than
a tenth of a second. Studies have shown that most people cannot even
detect intervals of less than a tenth of a second. Methinks thou dost
protest too much...
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