FiFo register to store numeric values

[Beno]

It is always worth doing a search in the forums if you don’t find a pac control command you need… In this case, the top result for a search of ‘shift’ finds this forum post from OptoMary;

String Table Shift

Hi All, Recently I wanted a command something like ShiftNumTableElements but for a string table. I wanted to shift all the elements down by one to add the newest string at the top (the string is a message that’s part of a simple event log). I thought about writing a subroutine with a loop, but I wanted something simple, quick, and easy to understand. So instead I decided to leverage the scratch pad area (for strings) which I wasn’t using anyway. My shift & update turned into just three lines o…