Z80 INSTRUCTION INFORMATION |

Instruction Length Flags C Z P/V S N HADC A,(HL) 7 X | X | V | X | 0 | X ADC A,(Ix+d) 19 X | X | V | X | 0 | X ADC A,r 4 X | X | V | X | 0 | X ADC A,n 7 X | X | V | X | 0 | X ADC HL,rr 15 X | X | V | X | 0 | ? | | | | | ADD A,(HL) 7 X | X | V | X | 0 | X ADD A,(Ix+d) 19 X | X | V | X | 0 | X ADD A,r 4 X | X | V | X | 0 | X ADD A,n 7 X | X | V | X | 0 | X ADD HL,rr 11 X | | | | 0 | ? ADD Ix,rr 15 X | | | | 0 | ? ADD Ix,Ix 15 X | | | | 0 | ? | | | | | AND (HL) 7 0 | X | P | X | 0 | 1 AND (Ix+d) 19 0 | X | P | X | 0 | 1 AND r 4 0 | X | P | X | 0 | 1 AND n 7 0 | X | P | X | 0 | 1 | | | | | BIT b,(HL) 12 | X | # | # | 0 | 1 BIT b,(Ix+d) 20 | X | # | # | 0 | 1 BIT b,r 8 | X | # | # | 0 | 1 | | | | | CALL nn 17 | | | | | CALL cc,nn 10/17 | | | | | | | | | | CCF 4 X | | | | 0 | # | | | | | CP (HL) 7 X | X | V | X | 1 | X CP (Ix+d) 19 X | X | V | X | 1 | X CP r 4 X | X | V | X | 1 | X CP n 7 X | X | V | X | 1 | X CPD 16 | X | X | X | 1 | # CPDR 16/21 | X | X | X | 1 | # CPI 16 | X | X | X | 1 | # CPIR 16/21 | X | X | X | 1 | # | | | | | CPL 4 | | | | 1 | 1 | | | | | DAA 4 X | X | P | X | | X | | | | | DEC (HL) 11 | X | V | X | 1 | X DEC (Ix+d) 23 | X | V | X | 1 | X DEC r 4 | X | V | X | 1 | X DEC rr 6 | | | | | DEC Ix 10 | | | | | | | | | | DI 4 | | | | | | | | | | DJNZ e 8/13 | X | V | X | 1 | X | | | | | EI 4 | | | | | | | | | | EX (SP),HL 19 | | | | | EX (SP),Ix 23 | | | | | EX AF,AF' 4 | | | | | EX DE,HL 4 | | | | | EXX 4 | | | | | | | | | | HALT 8 | | | | | | | | | | IM 0-2 8 | | | | | | | | | | IN r,(C) 12 | X | P | X | 0 | 0 IN A,(n) 11 | X | P | X | 0 | 0 | | | | | INC (HL) 11 | X | V | X | 0 | X INC (Ix+d) 23 | X | V | X | 0 | X INC r 4 | X | V | X | 0 | X INC rr 6 | | | | | INC Ix 10 | | | | | | | | | | IND 16 | X | # | # | 1 | # INDR 16/21 | X | # | # | 1 | # INI 16 | X | # | # | 1 | # INIR 16/21 | X | # | # | 1 | # | | | | | JP nn 10 | | | | | JP (HL) 4 | | | | | JP (Ix) 8 | | | | | JP cc,nn 10 | | | | | | | | | | JR e 12 | | | | | JR cc,e 7/12 | | | | | | | | | | LD (rr),A 7 | | | | | LD (HL),r 7 | | | | | LD (HL),n 10 | | | | | LD (Ix+d),r 19 | | | | | LD (Ix+d),n 19 | | | | | LD (nn),A 13 | | | | | LD (nn),rr 20 | | | | | LD (nn),HL 16 | | | | | LD (nn),Ix 20 | | | | | LD (nn),SP 20 | | | | | LD A,(rr) 7 | | | | | LD r,(HL) 7 | | | | | LD r,(Ix+d) 19 | | | | | LD A,(nn) 13 | | | | | LD A,I 9 | X |if2| X | 0 | 0 LD I,A 9 | | | | | LD A,R 9 | X |if2| X | 0 | 0 LD R,A 9 | | | | | LD r,r 4 | | | | | LD r,n 7 | | | | | LD rr,(nn) 20 | | | | | LD HL,(nn) 16 | | | | | LD Ix,(nn) 20 | | | | | LD rr,nn 10 | | | | | LD Ix,nn 14 | | | | | LD SP,(nn) 20 | | | | | LD SP,HL 6 | | | | | LD SP,Ix 10 | | | | | LD SP,nn 10 | | | | | LDD 16 | # | X | # | 0 | 0 LDDR 16/21 | # | 0 | # | 0 | 0 LDI 16 | # | X | # | 0 | 0 LDIR 16/21 | # | X | # | 0 | 0 | | | | | NEG 8 X | X | V | X | 1 | X | | | | | NOP 4 | | | | | | | | | | OR (HL) 7 0 | X | P | X | 0 | 0 OR (Ix+d) 19 0 | X | P | X | 0 | 0 OR r 4 0 | X | P | X | 0 | 0 OR n 7 0 | X | P | X | 0 | 0 | | | | | OTDR 16/21 | 1 | # | # | 1 | # OTIR 16/21 | 1 | # | # | 1 | # OUT (C),r 12 | | | | | OUT (n),A 11 | | | | | OUTD 16 | X | # | # | 1 | # OUTI 16 | X | # | # | 1 | # | | | | | POP rr 10 | | | | | POP Ix 14 | | | | | | | | | | PUSH rr 11 | | | | | PUSH Ix 15 | | | | | | | | | | RES b,(HL) 15 | | | | | RES b,(Ix+d) 23 | | | | | RES b,r 8 | | | | | | | | | | RET 10 | | | | | RET cc 5/11 | | | | | | | | | | RETI 14 | | | | | RETN 14 | | | | | | | | | | RL (HL) 15 X | X | P | X | 0 | 0 RL (Ix+d) 23 X | X | P | X | 0 | 0 RL r 8 X | X | P | X | 0 | 0 RLA 4 X | | | | 0 | 0 | | | | | RLC (HL) 15 X | X | P | X | 0 | 0 RLC (Ix+d) 23 X | X | P | X | 0 | 0 RLC r 8 X | X | P | X | 0 | 0 RLCA 4 X | X | P | X | 0 | 0 | | | | | RLD 18 | X | P | X | 0 | 0 | | | | | RR (HL) 15 X | X | P | X | 0 | 0 RR (Ix+d) 23 X | X | P | X | 0 | 0 RR r 8 X | X | P | X | 0 | 0 RRA 4 X | | | | 0 | 0 | | | | | RRC (HL) 15 X | X | P | X | 0 | 0 RRC (Ix+d) 23 X | X | P | X | 0 | 0 RRC r 8 X | X | P | X | 0 | 0 RRCA 4 X | X | P | X | 0 | 0 | | | | | RRD 18 | | | | | | | | | | RST n 11 # | # | # | # | # | # | | | | | SBC A,n 7 X | X | V | X | 1 | X SBC A,(HL) 7 X | X | V | X | 1 | X SBC A,(Ix+d) 19 X | X | V | X | 1 | X SBC A,r 4 X | X | V | X | 1 | X SBC HL,rr 15 X | X | V | X | 1 | X | | | | | SCF 4 1 | | | | 0 | 0 | | | | | SET b,(HL) 15 | | | | | SET b,(Ix+d) 23 | | | | | SET b,r 8 | | | | | | | | | | SLA (HL) 15 X | X | P | X | 0 | 0 SLA (Ix+d) 23 X | X | P | X | 0 | 0 SLA r 8 X | X | P | X | 0 | 0 | | | | | SRA (HL) 15 X | X | P | X | 0 | 0 SRA (Ix+d) 23 X | X | P | X | 0 | 0 SRA r 8 X | X | P | X | 0 | 0 | | | | | SLR (HL) 15 X | X | P | X | 0 | 0 SLR (Ix+d) 23 X | X | P | X | 0 | 0 SLR r 8 X | X | P | X | 0 | 0 | | | | | SUB (HL) 7 X | X | V | X | 1 | X SUB (Ix+d) 19 X | X | V | X | 1 | X SUB r 4 X | X | V | X | 1 | X SUB n 7 X | X | V | X | 1 | X | | | | | XOR (HL) 7 0 | X | P | X | 0 | 0 XOR (Ix+d) 19 0 | X | P | X | 0 | 0 XOR r 4 0 | X | P | X | 0 | 0 XOR n 7 0 | X | P | X | 0 | 0Operands:r = 8-bit register (A, B, C, D, E, H, I, L, R) rr = 16-bit register (AF, BC, DE, HL, IX, IY, SP) Ix = Either IX or IY n = 8-bit number nn = 16-bit number b = Bit value (0-7) d = Offset onto IX or IY e = Offset destination address cc = Condition (flag)Flags:C = Carry flag (C, NC) Z = Zero (Z, NZ) P/V = Parity/oVerflow (PO, PE) S = Sign (P, M) N = additioN H = Half carry 1 = Flag is set 0 = Flag is reset X = Flag is (re)set according to the operation # = Status is not important P = The P/V flag indicates Parity V = The P/V flag indicates oVerflow ? = Status is unknown (undefined)Length:The length field is in T-states. 1 T-state is 1/3,500,000 seconds.