|-
| cp n || 11111110 nnnnnnnn || 2 || tmp := a - n
|}
=== BCD group ===
{| class="wikitable" style="white-space: nowrap;"
|-
! Instruction !! Opcode !! Cycles !! Z !! N !! H !! C !! Effect !! Description
|-
| daa || 00100111 || 1 || + || - || X || X || tmp := a,