> I've not looked at the 18Fxx but the TRIS registers are in bank 1
normally
> so you'll have to do something like this:
>
> bsf             rp0             ;select register bank 1
> movlw           0x81            ;get the setting
> movwf           trisc           ;copy it to the tris register
> bcf             rp0             ;back to register bank 0
>
> The ports themselves (in bank 0) are the same address as the tris
> registers, only up in register bank 1. It's an easy mistake to make.

This doesn't apply to the PIC18 series.  They have a totally different RAM
address space model.  The RP0 and RP1 bits don't exist.  Instead there is
the BSR register and the "access bank".  See the manual for details.


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