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- Z-80 CPU Instruction Set
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- ADC HL,ss Add with carry register pair ss to HL.
- ADC A,s Add with carry operand s to accumulator.
- ADD A,n Add value n to accumulator.
- ADD A,r Add register r to accumulator.
- ADD A,(HL) Add location (HL) to acccumulator.
- ADD A,(IX+d) Add location (IX+d) to accumulator.
- ADD A,(IY+d) Add location (IY+d) to accumulator.
- ADD HL,ss Add register pair ss to HL.
- ADD IX,pp Add register pair pp to IX.
- ADD IY,rr Add register pair rr to IY.
- AND s Logical AND of operand s to accumulator.
- BIT b,(HL) Test bit b of location (HL).
- BIT b,(IX+d) Test bit b of location (IX+d).
- BIT b,(IY+d) Test bit b of location (IY+d).
- BIT b,r Test bit b of register r.
- CALL cc,nn Call subroutine at location nn if condition CC is true.
- CCF Complement carry flag.
- CP s Compare operand s with accumulator.
- CPD Comapre location (HL) and acc., decrement HL and BC,
- CPDR Perform a CPD and repeat until BC=0.
- CPI Compare location (HL) and acc., incr HL, decr BC.
- CPIR Perform a CPI and repeat until BC=0.
- CPL Complement accumulator (1's complement).
- DAA Decimal adjust accumulator.
- DEC m Decrement operand m.
- DEC IX Decrement IX.
- DEC IY Decrement IY.
- DEC ss Decrement register pair ss.
- DI Disable interrupts.
- DJNZ e Decrement B and jump relative if B=0.
- EI Enable interrupts.
- EX (SP),HL Exchange the location (SP) and HL.
- EX (SP),IX Exchange the location (SP) and IX.
- EX (SP),IY Exchange the location (SP) and IY.
- EX AF,AF' Exchange the contents of AF and AF'.
- EX DE,HL Exchange the contents of DE and HL.
- EXX Exchange the contents of BC,DE,HL with BC',DE',HL'.
- HALT Halt computer and wait for interrupt.
- IM 0 Set interrupt mode 0.
- IM 1 Set interrupt mode 1.
- IM 2 Set interrupt mode 2.
- IN A,(n) Load the accumulator with input from device n.
- IN r,(c) Load the register r with input from device (C).
- INC (HL) Increment location (HL).
- INC IX Increment IX.
- INC (IX+d) Increment location (IX+d).
- INC IY Increment IY.
- INC (IY+d) Increment location (IY+d).
- INC r Increment register r.
- INC ss Increment register pair ss.
- IND (HL)=Input from port (C). Decrement HL and B.
- INDR Perform an IND and repeat until B=0.
- INI (HL)=Input from port (C). HL=HL+1. B=B-1.
- INIR Perform an INI and repeat until B=0.
- JP (HL) Unconditional jump to location (HL).
- JP (IX) Unconditional jump to location (IX).
- JP (IY) Unconditional jump to location (IY).
- JP cc,nn Jump to location nn if condition cc is true.
- JR C,e Jump relative to PC+e if carry=1.
- JR e Unconditional jump relative to PC+e.
- JR NC,e Jump relative to PC+e if carry=0.
- JR NZ,e Jump relative to PC+e if non zero (Z=0).
- JR Z,e Jump relative to PC+e if zero (Z=1).
- LD A,(BC) Load accumulator with location (BC).
- LD A,(DE) Load accumulator with location (DE).
- LD A,I Load accumulator with I.
- LD A,(nn) Load accumulator with location nn.
- LD A,R Load accumulator with R.
- LD (BC),A Load location (BC) with accumulator.
- LD (DE),A Load location (DE) with accumulator.
- LD (HL),A Load location (HL) with accumulator.
- LD dd,nn Load register pair dd with nn.
- LD dd,(nn) Load register pair dd with location (nn).
- LD HL,(nn) Load HL with location (nn).
- LD (HL),r Load location (HL) with register r.
- LD I,A Load I with accumulator.
- LD IX,nn Load IX with value nn.
- LD IX,(nn) Load IX with location (nn).
- LD (IX+d),n Load location (IX+d) with n.
- LD (IX+d),r Load location (IX+d) with register r.
- LD IY,nn Load IY with value nn.
- LD IY,(nn) Load IY with location (nn).
- LD (IY+d),n Load location (IY+d) with value n.
- LD (IY+d),r Load location (IY+d) with register r.
- LD (nn),A Load location (nn) with accumulator.
- LD (nn),dd Load location (nn) with register pair dd.
- LD (nn),HL Load location (nn) with HL.
- LD (nn),IX Load location (nn) with IX.
- LD (nn),IY Load location (nn) with IY.
- LD R,A Load R with accumulator.
- LD r,(HL) Load register r with location (HL).
- LD r,(IX+d) Load register r with location (IX+d).
- LD r,(IY+d) Load register r with location (IY+d).
- LD r,n Load register r with value n.
- LD r,r' Load register r with register r'.
- LD SP,HL Load SP with HL.
- LD SP,IX Load SP with IX.
- LD SP,IY Load SP with IY.
- LDD Load location (DE) with location (HL), decrement DE,HL,BC.
- LDDR Perform an LDD and repeat until BC=0.
- LDI Load location (DE) with location (HL), incr DE,HL; decr BC.
- LDIR Perform an LDI and repeat until BC=0.
- NEG Negate accumulator (2's complement).
- NOP No operation.
- OR s Logical OR of operand s and accumulator.
- OTDR Perform an OUTD and repeat until B=0.
- OTIR Perform an OTI and repeat until B=0.
- OUT (C),r Load output port (C) with register r.
- OUT (n),A Load output port (n) with accumulator.
- OUTD Load output port (C) with (HL), decrement HL and B.
- OUTI Load output port (C) with (HL), incr HL, decr B.
- POP IX Load IX with top of stack.
- POP IY Load IY with top of stack.
- POP qq Load register pair qq with top of stack.
- PUSH IX Load IX onto stack.
- PUSH IY Load IY onto stack.
- PUSH qq Load register pair qq onto stack.
- RES b,m Reset bit b of operand m.
- RET Return from subroutine.
- RET cc Return from subroutine if condition cc is true.
- RETI Return from interrupt.
- RETN Return from non-maskable interrupt.
- RL m Rotate left through operand m.
- RLA Rotate left accumulator through carry.
- RLC (HL) Rotate location (HL) left circular.
- RLC (IX+d) Rotate location (IX+d) left circular.
- RLC (IY+d) Rotate location (IY+d) left circular.
- RLC r Rotate register r left circular.
- RLCA Rotate left circular accumulator.
- RLD Rotate digit left and right between accumulator and (HL).
- RR m Rotate right through carry operand m.
- RRA Rotate right accumulator through carry.
- RRC m Rotate operand m right circular.
- RRCA Rotate right circular accumulator.
- RRD Rotate digit right and left between accumulator and (HL).
- RST p Restart to location p.
- SBC A,s Subtract operand s from accumulator with carry.
- SBC HL,ss Subtract register pair ss from HL with carry.
- SCF Set carry flag (C=1).
- SET b,(HL) Set bit b of location (HL).
- SET b,(IX+d) Set bit b of location (IX+d).
- SET b,(IY+d) Set bit b of location (IY+d).
- SET b,R Set bit b of register r.
- SLA m Shift operand m left arithmetic.
- SRA m Shift operand m right arithmetic.
- SRL m Shift operand m right logical.
- SUB s Subtract operand s from accumulator.
- XOR s Exclusive OR operand s and accumulator.
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