Changes
Z80
,/* Control flow group */
{| class="wikitable" style="white-space: nowrap;"
|-
! Instruction !! Opcode !! Hexcode !! NOPs !! Cycles !! M-Cycle Sequence !! S !! Z !! 5 !! H !! 3 !! P !! N !! C !! Effect !! Description
|-
| rst t || 11ttt111 || C7/CF/D7/DF/E7/EF/F7/FF || 4 || 11 (5,3,3) || M1, MW, MW || rowspan=3|- || rowspan=3|- || rowspan=3|- || rowspan=3|- || rowspan=3|- || rowspan=3|- || rowspan=3|- || rowspan=3|- || sp -= 2, (sp) := pc, pc := t || Restart
ttt: 000=#0, 001=#8, 010=#10, 011=#18, 100=#20, 101=#28, 110=#30, 111=#38
|-
| call nn || 11001101 lolololo hihihihi || CD lo hi || 5 || 17 (4,3,4,3,3) || M1, MRl, MRh, INT(1), MW, MW || sp -= 2, (sp) := pc, pc := nn || Call
|-
| call cc,nn || 11ccc100 lolololo hihihihi || C4/CC/D4/DC/E4/EC/F4/FC lo hi || 5/3 || 17/10 (4,3,4,3,3)/(4,3,3) || M1, MRl, MRh(, INT(1), MW, MW) || if cc then sp -= 2, (sp) := pc, pc := nn || Conditional call
ccc: 000=NZ, 001=Z, 010=NC, 011=C, 100=PO, 101=PE, 110=P, 111=M
|-
| jp nn || 11000011 lolololo hihihihi || C3 lo hi || 3 || 10 (4,3,3) || M1, MRl, MRh || rowspan=4|- || rowspan=4|- || rowspan=4|- || rowspan=4|- || rowspan=4|- || rowspan=4|- || rowspan=4|- || rowspan=4|- || pc := nn ||rowspan=3|Jump
|-
| jp (hl) || 11101001 || E9 || 1 || 4 (4) || M1 || pc := hl
|-
| jp (ixy) || 11101001 || DD/FD 11101001 E9 || 2 || 8 (4,4) || M1, M1 || pc := ixy
|-
| jp cc,nn || 11ccc010 lolololo hihihihi || C2/CA/D2/DA/E2/EA/F2/FA lo hi || 3 || 10 (4,3,3) || M1, MRl, MRh || if cc then pc := nn || Conditional jump
ccc: 000=NZ, 001=Z, 010=NC, 011=C, 100=PO, 101=PE, 110=P, 111=M
|-
| jr e || 00011000 eeeeeeee || 18 ee || 3 || 12 (4,3,5) || M1, MRe, INT(5) || rowspan=3|- || rowspan=3|- || rowspan=3|- || rowspan=3|- || rowspan=3|- || rowspan=3|- || rowspan=3|- || rowspan=3|- || pc += e || Relative jump
|-
| jr cc,e || 001cc000 eeeeeeee || 20/28/30/38 ee || 3/2 || 12/7 (4,3,5)/(4,3) || M1, MRe(, INT(5)) || if cc then pc += e || Conditional relative jump
cc: 00=NZ, 01=Z, 10=NC, 11=C
|-
| djnz e || 00010000 eeeeeeee || 10 ee || 4/3 || 13/8 (5,3,5)/(5,3) || M1, INT(1), MRe(, INT(5)) || b -= 1, if b <> 0 then pc += e || Decrement, Jump Non-Zero
|-
| ret || 11001001 || C9 || 3 || 10 (4,3,3) || M1, MR, MR || rowspan=4|- || rowspan=4|- || rowspan=4|- || rowspan=4|- || rowspan=4|- || rowspan=4|- || rowspan=4|- || rowspan=4|- || pc := (sp), sp += 2 || Return
|-
| ret cc || 11ccc000 || C0/C8/D0/D8/E0/E8/F0/F8 || 4/2 || 11/5 (5,3,3)/(5) || M1, INT(1)(, MR, MR) || if cc then pc := (sp), sp += 2 || Conditional return
ccc: 000=NZ, 001=Z, 010=NC, 011=C, 100=PO, 101=PE, 110=P, 111=M
|-
| reti || ED 01001101 || ED 4D || 4 || 14 (4,4,3,3) || M1, M1, MR, MR || pc := (sp), sp += 2, iff1 := iff2 || Return from Interrupt
|-
| retn || ED 01***101 || ED 45/55/5D/65/6D/75/7D || 4 || 14 (4,4,3,3) || M1, M1, MR, MR || pc := (sp), sp += 2, iff1 := iff2 || Return from NMI
|}
