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From: toddpw@nntp-server.caltech.edu (Todd P. Whitesel)
Newsgroups: comp.sys.apple2
Subject: Re: Multitasking on a II
Message-ID: <1990Dec16.093451.2013@nntp-server.caltech.edu>
Date: 16 Dec 90 09:34:51 GMT
References: <11297.apple.net@pro-angmar>
Organization: California Institute of Technology, Pasadena
Lines: 14

I wrote:

>By the way, atomic instructions are NOT required for process communication,
>as Randy said (BTW Randy, Using 6502 Assembly Language was my
>first ML textbook) -- lack of them just makes it tougher. However, the 6502
>has always had INC/DEC, which are atomic

This was posted incomplete by mistake, it was supposed to finish with

has always had INC/DEC, which are atomic and are in fact used by the busy
flag routines of the toolbox.

Todd Whitesel
toddpw @ tybalt.caltech.edu