Hello all, I have hit another milestone. I have gotten everything to run with=20 a system frequency of 4MHz which an execution time of 250nS. With four=20 cycles for most instructions that means a NOP(); should equal 1uS. Thanks, rich! On 10/25/2015 8:59 AM, alan.b.pearce@stfc.ac.uk wrote: >> Jan-Erik, >> I realize that but right now I want to get everything in the progr= am working >> correctly and then I will go in and improve the program. >> Thanks, >> rich! --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .