Quote Originally Posted by Charles Linquis
I need to make certain that I'm never "blind" for a significant part of a character reception period. I can't afford to miss even one character.
You won't since you will be checking every one byte. The PIC buffer is 2 bytes long.

Quote Originally Posted by Charles Linquis
I'm thinking that there should be some easy assembly language routine that - upon interrupt, just dumps me to a particular line and starts execution there.
Either ASM or Basic the result with the suggested method will be the same. Maybe with ASM a few microseconds faster.

Ioannis