>as I started to think....perhaps its the WDT that forces it out?
.....
>Here is a snippit of code, right out of AN734
>
>ISR
><deleted the save stuff for the ISR entry>
>
>        banksel PIR1
>        btfss   PIR1,SSPIF      ; Is this a SSP interrupt?
>        goto    $               ; No, just trap here.
>        bcf     PIR1,SSPIF
>        call    SSP_Handler     ; Yes, service SSP interrupt.

The as published code would have a jump to somewhere else specified instead
of the $ to handle some other interrupt, e.g. timer or uart, would be my
expectation. I cannot see how they expect any use to be made of the transfer
otherwise.

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