Padu, your inits sound good (even if don't know anything about =B5Pascal, so I = hope :=3D means a LET or "=3D" in Basic). 68K is also perfect for this test. Two things come into my mind: 1. May be you already killed your PIC by hardwiring RA0 to +5V. 2. Are you sure, your PIC is running? Is any LED blinking? If not, there also would be no init, which could explain. Peter --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist