Changes
Z80
,/* CPU control group */
|-
! Instruction !! Opcode !! NOPs !! Cycles !! S !! Z !! 5 !! H !! 3 !! P !! N !! C !! Effect !! Description
|-
| exx || 11011001 || 1 || 4 (4) || - || - || - || - || - || - || - || - || bc, de, hl <=> bc', de', hl' ||rowspan=5|Exchange