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Re: 6502 Multitasking OS announce



In article <4il3v4$qa4@Mercury.mcs.com>, John Payson <supercat@MCS.COM> wrote:

>[Apple and Atari groups left in in case they do anything like this; homebuilt
>group in case someone wants to build something like this]

>On the Commodore 128, one of the few useful things their MMU actually does
>is to allow the user to relocate addresses $0000-$00FF and $0100-$01FF to
>any page in memory.  With such an MMU a full multi-tasking operating system
>can become a practical option since tasks can freely use zero page and stack
>without needing to allocate them; they can then access the rest of memory
>using indirect indexed or indexed indirect addressing (which if they have all
>of zero page to play with should be quite adequate).

Gee, why didn't I think of that?.....

http://ccnga.uwaterloo.ca/~csbruce/bos2.txt

Keep on Hackin'!

-Craig Bruce
csbruce@ccnga.uwaterloo.ca
"Ability + Motivation = Achievement."