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Article #623860

Re: What microprocessor is more powerful, the Z80 or 6502?

#623860
From: Anne Lynn Wheeler
Date: Fri, 08 Jun 2018 03:26
55 lines
4445 bytes
Dan Espen <dan1...@gmail.com> writes:
> I considered myself an expert ISPF user (including the editor).
> Sorry having to hit enter just didn't cut it for me.
> Only 7 colors?
> Emacs offers so much more.

after the 23june1969 unbundling announcement and starting to charge for
(applicaton) software, se services, etc ... POK had hard time adjusting
to the rules, monthly charge had to cover original development as well
as ongoing development and support. unbundling posts
http://www.garlic.com/~lynn/submain.html#unbundle

JES2 NJE couldn't come up with business case ... at any price, market
was somewhat price sensitive, as they raised the (forecasted) product
price (to try and make up the shortfall), the number of (forecasted)
customers dropped. What they eventually hit on was announcing JES2 NJE &
VM370 VNET as "joint" products ... where the revenue from VNET was used
to make up the NJE shortfall. hasp, jes, nje, etc posts
http://www.garlic.com/~lynn/submain.html#hasp

JES2 had tried $300/month, $600/month, & $1200/month for NJE ... but
forecasted customers were dropping faster than the price was going up.
VNET easily met its business case at $30/month ... they announced joint
product at $600/month (with effectively nearly all the money going to
NJE).

ISPF had similar problem coming up with business case ...  but by the
early 80s, they had relaxed the rules so the products just had to be in
the same organization. They moved vm370 performance products into the
same business unit as ISPF ... reducing the staff to three people
... and used the VM370 products revenue to underwrite the cost of the
200 people in the ISPF group.
https://en.wikipedia.org/wiki/ISPF

some misc. recent posts mentioning ISPF:
http://www.garlic.com/~lynn/2017c.html#2 ISPF (was Fujitsu Mainframe Vs IBM mainframe)
http://www.garlic.com/~lynn/2017c.html#82 Great mainframe history(?)
http://www.garlic.com/~lynn/2017e.html#25 [CM] What was your first home computer?
http://www.garlic.com/~lynn/2017g.html#34 Programmers Who Use Spaces Paid More
http://www.garlic.com/~lynn/2017i.html#23 progress in e-mail, such as AOL
http://www.garlic.com/~lynn/2018d.html#48 IPCS, DUMPRX, 3092, EREP

more (editor) drift, trying to promote RED which had quite a bit of
internal use and maturity at the time Endicott decided to develop XEDIT.
Endicott eventually responded it was the RED author's fault that RED was
so much better than XEDIT, and therefor it should be RED author's
responsibility to bring XEDIT up to RED level.
http://www.garlic.com/~lynn/2006u.html#email790606
in this (long winded) post along with other old RED/XEDIT email from the
period (and other subjects)
http://www.garlic.com/~lynn/2006u.html#26

-- 
virtualization experience starting Jan1968, online at home since Mar1970
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From: Anne & Lynn Wheeler <ly...@garlic.com>
Newsgroups: alt.folklore.computers
Subject: Re: What microprocessor is more powerful, the Z80 or 6502?
Date: Thu, 07 Jun 2018 20:26:15 -0700
Organization: Wheeler&Wheeler
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