Semantic search
Mnemonic (use uppercase) | Status | Addressing Mode 1 | Addressing Mode 2 | C | N | PV | H | Z | S | T-States | Summary |
---|---|---|---|---|---|---|---|---|---|---|---|
EXX | S | - | - | - | - | - | - | - | - | 4 | swap(BC,BC');swap(DE,DE');swap(HL,HL') |
HALT | S | - | - | - | - | - | - | - | - | 4 | waits for interrupt |
IM n | S | Immediate | - | - | - | - | - | - | - | 8 | Interrupt mode:=n |
IN (c) | U | Register | - | - | 0 | P | 0 | S | S | 12 | in(BC)? |
IN A, (n) | S | Accumulator | Immediate | - | - | - | - | - | - | 11 | A := in(An) |
IN r, (c) | S | Register | Register | - | 0 | P | 0 | S | S | 12 | r := in(BC) |
INC (HL) | S | Indirect | - | - | 0 | ! | S | S | S | 11 | HL*++ |
INC (IXY+d) | S | Indexed | - | - | 0 | ! | S | S | S | 23 | (IXY+d)*++ |
INC BC/DE/HL/SP | S | Register | - | - | - | - | - | - | - | 6 | rr++ |
INC IXY | S | Register | - | - | - | - | - | - | - | 10 | rr++ |
INC r | S | Register | - | - | 0 | ! | S | S | S | 4 | r++ |
IND | S | - | - | ? | 1 | ? | ? | ! | ? | 16 | HL*:=in(BC); HL--; B-- |
INDR | S | - | - | ? | 1 | ? | ? | 1 | ? | 21x+16 | do IND while(B>0) |
INI | S | - | - | ? | 1 | ? | ? | ! | ? | 16 | HL*:=in(BC); HL++; B-- |
INIR | S | - | - | ? | 1 | ? | ? | 1 | ? | 21x+16 | do INI while(B>0) |
JP (C) | E | Register | - | ? | ? | ? | ? | ? | ? | 13 | PC:=PC&$C000+IN(C)<<6 |
JP (HL) | S | Register | - | - | - | - | - | - | - | 4 | PC:=HL (not PC:=HL*) |
JP (IXY) | S | Register | - | - | - | - | - | - | - | 8 | PC:=IXY (not PC:=IXY*) |
JP Z/NZ/NC/C/PO/PE/P/M, nn | S | Address | - | - | - | - | - | - | - | 10 | if cc PC:=nn |
JP nn | S | Address | - | - | - | - | - | - | - | 10 | PC:=nn |
JR C/NC/Z/NZ, nn | S | Immediate | - | - | - | - | - | - | - | 12 ; 7 if not cc | if cc PC+=nn |
JR nn | S | Immediate | - | - | - | - | - | - | - | 12 | PC+=nn |
LD (BC/DE), A | S | Indirect | Accumulator | - | - | - | - | - | - | 7 | rr* := A |
LD (HL), n | S | Indirect | Immediate | - | - | - | - | - | - | 10 | HL* := n |
LD (HL),r | S | Indirect | Register | - | - | - | - | - | - | 7 | HL* := r |
LD (IXY+d), n | S | Indexed | Immediate | - | - | - | - | - | - | 19 | (IXY+d)* := n |
LD (IXY+d),r | S | Indexed | Register | - | - | - | - | - | - | 19 | (IXY+D)* := r |
LD (nn), A | S | Address | Accumulator | - | - | - | - | - | - | 13 | (nn)* := A |
LD (nn), BC/DE/SP/IXY | S | Address | Register | - | - | - | - | - | - | 20 | (nn)* := rr |
LD (nn), HL | S | Address | Register | - | - | - | - | - | - | 16 | (nn)* := HL |
LD A, (BC/DE) | S | Accumulator | Indirect | - | - | - | - | - | - | 7 | A := rr* |
LD A, (nn) | S | Accumulator | Address | - | - | - | - | - | - | 13 | A := (nn)* |
LD A, I | S | Accumulator | Register | - | 0 | ! | 0 | S | S | 9 | A := I; P/V:=IFF2 |
LD A, R | S | Accumulator | Register | - | 0 | ! | 0 | S | S | 9 | A := R; P/V:=IFF2 |
LD BC/DE/HL/SP, nn | S | Register | Immediate | - | - | - | - | - | - | 10 | rr := nn |
LD BC/DE/SP/IXY, (nn) | S | Register | Address | - | - | - | - | - | - | 20 | rr := (nn)* |
LD HL, (nn) | S | Register | Address | - | - | - | - | - | - | 16 | HL := (nn)* |
LD I, A | S | Register | Accumulator | - | - | - | - | - | - | 9 | I := A |
LD IXY, nn | S | Register | Immediate | - | - | - | - | - | - | 14 | rr := nn |
LD R, A | S | Register | Accumulator | - | - | - | - | - | - | 9 | R := A |
LD SP, HL | S | Register | Register | - | - | - | - | - | - | 6 | SP := HL |
LD SP, IXY | S | Register | Register | - | - | - | - | - | - | 10 | SP := IXY |
LD r, (HL) | S | Register | Indirect | - | - | - | - | - | - | 7 | r := HL* |
LD r, (IXY+d) | S | Register | Indexed | - | - | - | - | - | - | 19 | r := (IXY+d)* |
LD r, r' | S | Register | Register | - | - | - | - | - | - | 4 | r := r' |
LD r,n | S | Register | Immediate | - | - | - | - | - | - | 7 | r := n |
LDD | S | - | - | - | 0 | L | 0 | - | - | 16 | DE*:=HL*; DE--; HL--; BC-- |
LDDR | S | - | - | - | 0 | 0 | 0 | - | - | 21x+16 | do LDD while(BC>0) |
LDDRX | E | - | - | - | - | - | - | - | - | 21/16 | do LDDX while(BC>0) |
LDDX | E | - | - | - | - | - | - | - | - | 16 | {if HL*!=A DE*:=HL*;} DE++; HL--; BC-- |
LDI | S | - | - | - | 0 | L | 0 | - | - | 16 | DE*:=HL*; DE++; HL++; BC-- |
LDIR | S | - | - | - | 0 | L | 0 | - | - | 21x+16 | do LDI while(BC>0) |
LDIRX | E | - | - | - | - | - | - | - | - | 21/16 | do LDIX while(BC>0) |
LDIX | E | - | - | - | - | - | - | - | - | 16 | {if HL*!=A DE*:=HL*;} DE++; HL++; BC-- |
LDPIRX | E | - | - | - | - | - | - | - | - | 21/16 | do{t:=(HL&$FFF8+E&7)*; {if t!=A DE*:=t;} DE++; BC--}while(BC>0) |
LDWS | E | - | - | - | 0 | ! | S | S | S | 14 | DE*:=HL*; INC L; INC D; |
MIRROR A | E | Register | - | - | - | - | - | - | - | 8 | A[76543210]:=A[01234567] |
MUL d,e | E | - | - | - | - | - | - | - | - | 8 | DE:=D*E |
NEG | S | - | - | ! | 1 | ! | S | S | S | 8 | A:=0-A |
NEXTREG n, A | E | Immediate | Accumulator | - | - | - | - | - | - | 17 | HwNextReg_n:=A |
NEXTREG n,n' | E | Immediate | Immediate | - | - | - | - | - | - | 20 | HwNextReg_n:=n' |
NOP | S | - | - | - | - | - | - | - | - | 4 | PC+=1 |
OR (HL) | S | Indirect | - | 0 | 0 | P | 0 | S | S | 7 | A := A OR HL* |
OR (IXY+d) | S | Indexed | - | 0 | 0 | P | 0 | S | S | 19 | A := A OR (IXY+d)* |
OR n | S | Immediate | - | 0 | 0 | P | 0 | S | S | 7 | A := A OR n |
OR r | S | Register | - | 0 | 0 | P | 0 | S | S | 4 | A := A OR r |
OTDR | S | - | - | ? | 1 | ? | ? | 1 | ? | 21x+16 | do OUTD while (B>0) |
OTIR | S | - | - | ? | 1 | ? | ? | 1 | ? | 21x+16 | do OUTI while (B>0) |
OUT (c),0 | U | Register | Immediate | - | - | - | - | - | - | 12 | out(BC,0) |
OUT (c),r | S | Register | Register | - | - | - | - | - | - | 12 | out(BC,r) |
OUT (n),A | S | Immediate | Accumulator | - | - | - | - | - | - | 11 | out(An,A) |
OUTD | S | - | - | ? | 1 | ? | ? | ! | ? | 16 | B--; out(BC,HL*); HL-- |
OUTI | S | - | - | ? | 1 | ? | ? | ! | ? | 16 | B--; out(BC,HL*); HL++ |
OUTINB | E | - | - | ? | ? | ? | ? | ? | ? | 16 | out(BC,HL*); HL++ |
PIXELAD | E | - | - | - | - | - | - | - | - | 8 | HL:=$4000+((D&$C0)<<5)+((D&$07)<<8)+((D&$38)<<2)+(E>>3) |
PIXELDN | E | - | - | - | - | - | - | - | - | 8 | if(HL&$0700!=$0700) HL+=256; else if(HL&$e0!=$e0) HL:=HL&$F8FF+$20; else HL:=HL&$F81F+$0800 |
POP AF | S | Register | - | ! | ! | ! | ! | ! | ! | 10 | rr:=SP*; SP+=2 |
POP BC/DE/HL | S | Register | - | - | - | - | - | - | - | 10 | rr:=SP*; SP+=2 |
POP IXY | S | Register | - | - | - | - | - | - | - | 14 | rr:=SP*; SP+=2 |
PUSH BC/DE/HL/AF | S | Register | - | - | - | - | - | - | - | 11 | SP-=2; SP*:=rr |
PUSH IXY | S | Register | - | - | - | - | - | - | - | 15 | SP-=2; SP*:=rr |
PUSH nn | E | Immediate | - | - | - | - | - | - | - | 23 | SP-=2; SP*:=nn |
RES b,(HL) | S | Immediate | Register | - | - | - | - | - | - | 15 | HL*:=HL* & (~(1<<b)) |
RES b,(IXY+d) | S | Immediate | Indexed | - | - | - | - | - | - | 23 | (IXY+d)*:=(IXY+d)* & (~(1<<b)) |
RES b,r | S | Immediate | Register | - | - | - | - | - | - | 8 | r:=r & (~(1<<b)) |
RES r,b,(IX+d) | U | Immediate | Indexed | - | - | - | - | - | - | 23 | (IX+d)*:=(IX+d)* & (~(1<<b)); r:=(IX+d)* |
RET | S | - | - | - | - | - | - | - | - | 10 | PC:=SP*; SP+=2 |
RET Z/NZ/C/NC/PO/PE/P/M | S | - | - | - | - | - | - | - | - | 11 ; 5 if not cc | if cc {PC:=SP*; SP+=2} |
RETI | S | - | - | - | - | - | - | - | - | 14 | PC:=SP*; SP+=2 |
RETN | S | - | - | - | - | - | - | - | - | 14 | IFF1:=IFF2; PC:=SP*; SP+=2 |
RL (HL) | S | Indirect | - | ! | 0 | P | 0 | S | S | 15 | x:=HL*[7]; HL*:=HL*<<1; HL*[0]:=CF; CF:=x |
RL (IXY+d) | S | Indexed | - | ! | 0 | P | 0 | S | S | 23 | x:=(IXY+d)*[7]; (IXY+d)*:=(IXY+d)*<<1; (IXY+d)*[0]:=CF; CF:=x |
RL r | S | Register | - | ! | 0 | P | 0 | S | S | 8 | x:=r[7]; r:=r<<1; r[0]:=CF; CF:=x |
RL r,(IX+d) | U | Register | Indexed | ! | 0 | P | 0 | S | S | 23 | x:=(IX+d)*[7]; (IX+d)*:=(IX+d)*<<1; (IX+d)*[0]:=CF; CF:=x; r:=(IX+d)* |
RLA | S | - | - | ! | 0 | - | 0 | - | - | 4 | x:=A[7]; A:=A<<1; A[0]:=CF; CF:=x |
RLC (HL) | S | Indirect | - | ! | 0 | P | 0 | S | S | 15 | x:=HL*[7]; HL*:=HL*<<1; HL*[0]:=x; CF:=x |
RLC (IXY+d) | S | Indexed | - | ! | 0 | P | 0 | S | S | 23 | x:=(IXY+d)*[7]; (IXY+d)*:=(IXY+d)*<<1; (IXY+d)*[0]:=x; CF:=x |
RLC r | S | Register | - | ! | 0 | P | 0 | S | S | 8 | x:=r[7]; r:=r<<1; r[0]:=x; CF:=x |
RLC r,(IX+d) | U | Register | Indexed | ! | 0 | P | 0 | S | S | 23 | x:=(IX+d)*[7]; (IX+d)*:=(IX+d)*<<1; (IX+d)*[0]:=x; CF:=x; r:=(IX+d)* |
RLCA | S | - | - | ! | 0 | - | 0 | - | - | 4 | x:=A[7]; A:=A<<1; A[0]:=x; CF:=x |
RLD | S | - | - | - | 0 | P | 0 | S | S | 18 | x=HL*; HL*[0123]:=A[0123]; HL*[7654]:=x[0123]; A[0123]:=x[7654] |
RR (HL) | S | Indirect | - | ! | 0 | P | 0 | S | S | 15 | x:=HL*[0]; HL*:=HL*>>1; HL*[7]:=CF; CF:=x |
RR (IXY+d) | S | Indexed | - | ! | 0 | P | 0 | S | S | 23 | x:=(IXY+d)*[0]; (IXY+d)*:=(IXY+d)*>>1; (IXY+d)*[7]:=CF; CF:=x |
RR r | S | Register | - | ! | 0 | P | 0 | S | S | 8 | x:=r[0]; r:=r>>1; r[7]:=CF; CF:=x |
RR r,(IX+d) | U | Register | Indexed | ! | 0 | P | 0 | S | S | 23 | x:=(IX+d)*[0]; (IX+d)*:=(IX+d)*>>1; (IX+d)*[7]:=CF; CF:=x; r=(IX+d)* |
RRA | S | - | - | ! | 0 | - | 0 | - | - | 4 | x:=A[0]; A:=A>>1; A[7]:=CF; CF:=x |
RRC (HL) | S | Indirect | - | ! | 0 | P | 0 | S | S | 15 | x:=HL*[0]; HL*:=HL*>>1; HL*[7]:=x; CF:=x |
RRC (IXY+d) | S | Indexed | - | ! | 0 | P | 0 | S | S | 23 | x:=(IXY+d)*[0]; (IXY+d)*:=(IXY+d)*>>1; (IXY+d)*[7]:=x; CF:=x |
RRC r | S | Register | - | ! | 0 | P | 0 | S | S | 8 | x:=r[0]; r:=r>>1; r[7]:=x; CF:=x |
RRC r,(IX+d) | U | Register | Indexed | ! | 0 | P | 0 | S | S | 23 | x:=(IX+d)*[0]; (IX+d)*:=(IX+d)*>>1; (IX+d)*[7]:=x; CF:=x; r:=(IX+d)* |
RRCA | S | - | - | ! | 0 | - | 0 | - | - | 4 | x:=A[0]; A:=A>>1; A[7]:=x; CF:=x |
RRD | S | - | - | - | 0 | P | 0 | S | S | 18 | x=HL*; HL*[7654]:=A[0123]; HL*[0123]:=x[7654]; A[0123]:=x[0123] |
RST n | S | Immediate | - | - | - | - | - | - | - | 11 | CALL n |
SBC A, (HL) | S | Accumulator | Indirect | S | 1 | V | S | S | S | 7 | A-=(HL*+(CF?1:0)) |
SBC A, (IXY+d) | S | Accumulator | Indexed | S | 1 | V | S | S | S | 19 | A-=((IXY+d)+(CF?1:0)) |
SBC A, n | S | Accumulator | Immediate | S | 1 | V | S | S | S | 7 | A-=(n+(CF?1:0)) |
SBC A, r | S | Accumulator | Register | S | 1 | V | S | S | S | 4 | A-=(r+(CF?1:0)) |
SBC HL, BC/DE/HL/SP | S | Register | Register | S | 1 | V | ! | S | S | 15 | HL-=(rr+(CF?1:0)) |
SCF | S | - | - | 1 | 0 | - | 0 | - | - | 4 | CF:=1 |
SET b,(HL) | S | Immediate | Register | - | - | - | - | - | - | 15 | HL*:=HL* OR (1<<b) |
SET b,(IXY+d) | S | Immediate | Indexed | - | - | - | - | - | - | 23 | (IXY+d)*:=(IXY+d)* OR (1<<b) |
SET b,r | S | Immediate | Register | - | - | - | - | - | - | 8 | r:=r OR (1<<b) |
SET r,b,(IX+d) | U | Immediate | Indexed | - | - | - | - | - | - | 23 | (IX+d)*:=(IX+d)* OR (1<<b); r:=(IX+d)* |
SETAE | E | - | - | - | - | - | - | - | - | 8 | A:=unsigned($80)>>(E&7) |
SL1 (HL) | U | Indirect | - | ! | 0 | P | 0 | S | S | 15 | HL*:=(HL*<<1)+1 |
SL1 (IXY+d) | U | Indexed | - | ! | 0 | P | 0 | S | S | 23 | (IXY+d)*:=((IXY+d)*<<1)+1 |
SL1 r | U | Register | - | ! | 0 | P | 0 | S | S | 8 | r:=(r<<1)+1 |
SL1 r,(IXY+d) | U | Register | Indexed | ! | 0 | P | 0 | S | S | 23 | (IXY+d)*:=((IXY+d)*<<1)+1; r=(IXY+d)* |
SLA (HL) | S | Indirect | - | ! | 0 | P | 0 | S | S | 15 | HL*:=HL*<<1 |
SLA (IXY+d) | S | Indexed | - | ! | 0 | P | 0 | S | S | 23 | (IXY+d)*:=(IXY+d)*<<1 |
SLA r | S | Register | - | ! | 0 | P | 0 | S | S | 8 | r:=r<<1 |
SLA r,(IX+d) | U | Register | Indexed | ! | 0 | P | 0 | S | S | 23 | (IX+d)*:=(IX+d)*<<1; r=(IX+d)* |
SRA (HL) | S | Indirect | - | ! | 0 | P | 0 | S | S | 15 | HL*:=HL*>>1 OR HL*[7] |
SRA (IXY+d) | S | Indexed | - | ! | 0 | P | 0 | S | S | 23 | (IXY+d)*:=(IXY+d)*>>1 OR (IXY+d)*[7] |
SRA r | S | Register | - | ! | 0 | P | 0 | S | S | 8 | r:=r>>1 OR r[7] |
SRA r,(IX+d) | U | Register | Indexed | ! | 0 | P | 0 | S | S | 23 | (IX+d)*:=(IX+d)*>>1 OR (IX+d)*[7]; r:=(IX+d)* |
SRL (HL) | S | Indirect | - | ! | 0 | P | 0 | S | 0 | 15 | HL*:=unsigned(HL*)>>1 |
SRL (IXY+d) | S | Indexed | - | ! | 0 | P | 0 | S | 0 | 23 | (IXY+d)*:=unsigned((IXY+d)*)>>1 |
SRL r | S | Register | - | ! | 0 | P | 0 | S | 0 | 8 | r:=unsigned(r)>>1 |
SRL r,(IXY+d) | U | Register | Indexed | ! | 0 | P | 0 | S | 0 | 23 | (IXY+d)*:=unsigned((IXY+d)*)>>1; r:=(IXY+d)* |
SUB (HL) | S | Indirect | - | S | 1 | V | S | S | S | 7 | A -= HL* |
SUB (IXY+d) | S | Indexed | - | S | 1 | V | S | S | S | 19 | A -= (IXY+d)* |
SUB n | S | Immediate | - | S | 1 | V | S | S | S | 7 | A -= n |
SUB r | S | Register | - | S | 1 | V | S | S | S | 4 | A -= r |
SWAPNIB | E | - | - | - | - | - | - | - | - | 8 | A:=A[3210]<<4 OR A[7654]>>4 |
TEST n | E | Immediate | - | S | ? | P | S | S | S | 11 | A&n? |
XOR (HL) | S | Indirect | - | 0 | 0 | P | 0 | S | S | 7 | A := A ^ HL* |
XOR (IXY+d) | S | Indexed | - | 0 | 0 | P | 0 | S | S | 19 | A := A ^ (IXY+d)* |
XOR n | S | Immediate | - | 0 | 0 | P | 0 | S | S | 7 | A := A ^ n |
XOR r | S | Register | - | 0 | 0 | P | 0 | S | S | 4 | A := A ^ r |
{{{opdesc}}} | {{{ad1}}} | {{{ad2}}} | {{{tstates}}} |