Thought the osc had to be set to intrc to use the internal oscillator, now realise it should be set to XT. Have now written simple program to switch on all port b pins, pause and swithch them off again in an endless loop. The program containsthe line cmcon = 7 can't remember why but I recall having to do this about a year ago when I wrotethe original star program. The osc isset to XT it compiles and produces the attached hex file but fails to flash the ports
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