Changes
Z80
,/* CPU control group */
=== CPU control group ===
Legend: pp: 00=BC, 01=DE, 10=HL, 11=AF ; qq: 00=BC, 01=DE, 10=IXY, 11=AF
{| class="wikitable" style="white-space: nowrap;"
! Instruction !! Opcode !! NOPs !! Cycles !! S !! Z !! 5 !! H !! 3 !! P !! N !! C !! Effect !! Description
|-
| pop qq pp || 11qq0001 11pp0001 || 3 || 10 (4,3,3) || - || - || - || - || - || - || - || - || qq pp := (sp), sp += 2 ||rowspan=2|Pop a value from the stack
|-
| pop ixy qq || 11b11101 11100001 11qq0001 || 4 || 14 (4,4,3,3) || - || - || - || - || - || - || - || - || ixy qq := (sp), sp += 2
|-
| push qq pp || 11qq0101 11pp0101 || 4 || 11 (5,3,3) || - || - || - || - || - || - || - || - || sp -= 2, (sp) := qq pp ||rowspan=2|Push a value onto the stack
|-
| push ixy qq || 11b11101 11100101 11qq0101 || 5 || 15 (4,5,3,3) || - || - || - || - || - || - || - || - || sp -= 2, (sp) := ixyqq
|-
| ld sp,hl || 11111001 || 2 || 6 (6) || - || - || - || - || - || - || - || - || sp := hl ||rowspan=2|Stack Pointer Load
