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MartinB
PostPosted: Sat Oct 13, 2012 10:37 pm 
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Joined: Fri Apr 25, 2008 7:55 pm
Posts: 147
On the Beeb I can selectively enable and disable interrupts by programming the system VIA. Is the equivalent selective control possible on the Elk? The ULA seems to replace the Beeb's VIA and there is the control register at $FE05 but I can't see how it can be used. Essentially, I want to be able to disable all interrupts (IRQ's) except the keyboard.
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