PIC18 interrupt handler, where to save W etc?

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  1. - 15th May 2010, 23:07 #4
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    Bruce
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    This is helpful as well http://ww1.microchip.com/downloads/e...Doc/39500a.pdf

    You can use the fast return with auto restore for low pri ints too, but not if you have high pri & low pri interrupts enabled at the same time. The high pri interrupt can corrupt shadow values saved during the low pri interrupt.
    Last edited by Bruce; - 15th May 2010 at 23:10.
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    -Bruce
    tech at rentron.com
    http://www.rentron.com
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