Re: A86: interrupts and on key
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Re: A86: interrupts and on key
you detect an on press from port 3, whereas if you want to detect down and
left (not sure why you want that, but i guess maybe there's a reason), then
you use port 1. the only way that down+left [probably] triggers an on
interrupt is in the system im 1 interrupt.
In a message dated 2/17/99 10:49:07 AM Eastern Standard Time,
rabidcow@juno.com writes:
> does anyone know how to tell the difference between the on key and
> something like down&left? i'm reading the keypad from an im 2 routine,
> so the os isn't involved and i'm reading directly from the ports.