Re: A86: LCD stuff


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Re: A86: LCD stuff




In a message dated 11/20/99 07:44:06 Eastern Standard Time, 
TGaArdvark@aol.com writes:

> > Couldn't it simply be a high-priority maskable interrupt?
>  
>  How could there be interrupts that run at different priorites?
>  Explain.
>  

Well, port 3 allows you to "mask" the timer interrupts, whereas it doesn't 
allow you to "mask" the on interrupt.  So although the z80 has no priority 
settings, the hardware itself can allow certain interrupts to be more 
important than others.


----
Jonah Cohen
<ComAsYuAre@aol.com>
http://linux.hypnotic.org/~jonah/


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