Is it allowed to change pin reference within a subroutine?

[richard]

bit indexing

inx var byte [in pbp a bit index cannot exceed 255]


PORTB.0[inx]

if inx = 5 then it references portb.5
if inx = 7 then it references portb.7

[HenrikOlsson]

If index = 1 then use_pin = portB.5

Won't do what you want. use_pin will be be assigned the value of PortB.5 (1 or 0), you can't change aliases at runtime.

Do it the way Richard shows.

/Henrik.