Re: A86:Multitasking

To: assembly-86@lists.ticalc.org
Subject: Re: A86:Multitasking
From: rabidcow@juno.com
Date: Tue, 20 Jun 2000 12:40:36 -0700
Reply-To: assembly-86@lists.ticalc.org

you could install an im 1 or alt_int interrupt that would switch tasks,
but you'd need a separate stack & asm_exec_ram for each program running. 
alos, that wouldn't work for programs that inatalled their own interrupt
handlers, such as grayscale routines.

-josh

On Tue, 20 Jun 2000 13:06:26 EDT ComAsYuAre@aol.com writes:
> 
> In a message dated 6/20/00 1:04:36 PM Eastern Daylight Time, 
> Rgdtad@aol.com 
> writes:
> 
> > How is multitasking accomplished in TSE for the 83+?  Can that 
> same method, 
> >  or a similar one be used on the 86?  If so, why has no one done 
> it?
> >  
> 
> Programs would have to be specifically written for the shell, so it 
> would be 
> useless unless everybody started supporting it (which just isn't 
> going to 
> happen).  The 86 is the only calc where all asm programs can run 
> without a 
> shell, and it would be great if we kept it that way.  There isn't 
> that much 
> advantage to multi-tasking anyway, since the screen size is so small 
> and the 
> processor is so slow.
> 
> 
> ----
> Jonah Cohen
> <ComAsYuAre@aol.com>
> http://jonah.ticalc.org
> 

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Follow-Ups:

RE: A86:Multitasking

From: "Kirk Meyer" <KirkMeyer@bigfoot.com>