Programming.
instructions For the Load/Store instructions, I’ve identified the following groups: LDD Rd,Z+q (LDD Rd,Y+q / LD Rd,Z / LD Rd,X / LD Rd,Y; there exists no LDD Rd,X+q instruction, however…) LD Rd,Z+ (LD Rd,X+ / LD Rd,Y+) LD Rd,-Z (LD Rd,-X / LD Rd,-Y) LDS Rd,k STD Z+q,Rr (STD Y+q,Rr / ST X,Rr / ST