z80opcode, source codes,dokumenty
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Z80 Instruction SetZ80 Opcode ListingZ-80 CPU Instruction Set---- --- ----------- ---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), decrementDE,HL,BC.LDDR Perform an LDD and repeat until BC=0.LDI Load location (DE) with location (HL), incr DE,HL; decrBC.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.? 1996 Damaged Cybernetics
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