Programming.
Y,Rr / ST Z,Rr; no STD X+q,Rr…) ST Z+,Rr (ST X+,Rr / ST Y+,Rr) ST -Z,Rr (ST -X,Rr / ST -Y,Rr) STS k,Rr PUSH Rr POP Rd LPM Rd,Z (LPM) LPM Rd,Z+ IN Rd,A OUT A,Rr I’ve omitted SPM (writing to program memory) because I don’t think it would be useful in our context. For the AVR controllers, it makes