Hi,
Thanks for the info regarding the DEFINE OSCCAL_1K 1
Adding that to the program code has solved my little problem.
I have found referances about this define in the pbp manual, for some reason I thought that DEFINE OSC 4mhz was correct.
I assume that DEFINE OSCCAL_1K 1 means
org 0
movwf OSCCAL
Thanks for your time........Nick
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