Changes
Z80
,/* CPU control group */
! Instruction !! Opcode !! NOPs !! Cycles !! S !! Z !! 5 !! H !! 3 !! P !! N !! C !! Effect !! Description
|-
| pop P qq || 11pp0001 11qq0001 || 3 || 10 (4,3,3) || - || - || - || - || - || - || - || - || P qq := (sp), sp += 2 ||rowspan=2|Pop a value from the stack
|-
| pop ixy || 11i11101 11100001 || 4 || 14 (4,4,3,3) || - || - || - || - || - || - || - || - || ixy := (sp), sp += 2
|-
| push P qq || 11pp0101 11qq0101 || 4 || 11 (5,3,3) || - || - || - || - || - || - || - || - || sp -= 2, (sp) := P qq ||rowspan=2|Push a value onto the stack
|-
| push ixy || 11i11101 11100101 || 5 || 15 (4,5,3,3) || - || - || - || - || - || - || - || - || sp -= 2, (sp) := ixy
