I want to drive a pi‘zo sounder on pin GP4 and GP5 in counter phase with
leds driven on GP0 to GP2
How can I toggle these two pins with minimum code?

Leo van Loon
SBB simpeltronics
Netherlands
tel +31 (0481) 450034
fax+31 (0481) 450051
mail sbb.simpeltron@tip.nl
url http://www.sbb-simpeltronics.nl
SBB simpeltronics ontwikkelt technische projecten voor basisschool en
basisvorming.
SBB simpeltronics develops technical projects for children in primary and
secondary education.