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