MICHAEL WROTE >Warning [224] is because Mchip does not recommend the use of the >TRISB command. NOTE: if you use the command you must be in bank 1. >here is a snipit from one of my projects for the 16c74, the use of >0x7F after TRISA will prevent the assembler from complaining about >the address range. If these messages are annoying AND you know your code is ok then you can disable them by using the ERRORLEVEL command from MPASM. eg errorlevel -224 This will suppress all #224 error messages. Tony Just when I thought I knew it all, I learned that I didn't.