[Opendispense] Questions - new memory map

Bernard Blackham bernard@blackham.com.au
Thu Aug 14 02:16:01 2003

On Thu, Aug 14, 2003 at 09:22:43AM +0800, Adrian Chadd wrote:
> > > Depends how the software is written. Whats the current interrupt handler
> > > doing?
> > 
> > The interrupt handler will only be used for the daughterboard &
> > UART. The logic board alone has it tied high.
> Ok. If you use an interrupt handler you'll have to code up the interrupt routine
> and some enqueue/dequeue code. Find out how long each loop takes to run,
> see if you can sneak in that extra UART and support code. 

Already nearly done.

> Which you may need to do anyway, if the existing code is already tight
> timewise..

I believe the main loop of the code is pretty tight - faster than
the main loop of the original ROM at least. Given that keypresses
are polled for, it can't be too long.


 Bernard Blackham 
 bernard at blackham dot com dot au