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Re: A couple questions on Software Interrupts

2005-03-01 by Leighton Rowe

> I think you are confusing two different things.  The SWI op-code 
generates 
> an exception to the SWI exception handler not the irq exception 
> handler.  VICSoftInt is used to generate an IRQ exception which is 
a 
> different beast and will end up being vectored through the VIC as 
the HW 
> interrupts are.
> 
> Robert

Oh ok. Didn't realize setting "VICSoftInt" bits actually 
forces "IRQ "exceptions. It makes the whole concept a bit confusing, 
but I get the idea. Thanks for the clarification.

Leighton

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