Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
Z8 Encore!®
204
Lower Nibble (Hex)
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
1.2
2.2
2.3
2.4
3.3
3.4
3.3
3.4
4.3
4.3
2.3
2.2
JR
cc,X
2.2
LD
r1,IM
3.2
JP
cc,DA
1.2
INC
r1
1.2
NOP
BRK SRP ADD ADD ADD ADD ADD ADD ADDX ADDX DJNZ
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
IM
r1,r2
r1,Ir2
R2,R1
IR2,R1
R1,IM
IR1,IM ER2,ER1 IM,ER1
r1,X
2.2
RLC
R1
2.3
2.3
2.4
3.3
3.4
3.3
3.4 4.3 4.3
See 2nd
Opcode
Map
RLC ADC ADC ADC ADC ADC ADC ADCX ADCX
IR1
r1,r2
r1,Ir2
R2,R1
IR2,R1
R1,IM
IR1,IM ER2,ER1 IM,ER1
2.2
INC
R1
2.3
INC
IR1
2.3
2.4
3.3
3.4
SUB
IR2,R1
3.3
SUB
R1,IM
3.4 4.3 4.3
SUB SUBX SUBX
IR1,IM ER2,ER1 IM,ER1
SUB SUB SUB
r1,r2
r1,Ir2
R2,R1
2.2
2.3
2.3
2.4
3.3
3.4
SBC
IR2,R1
3.3
SBC
R1,IM
3.4
4.3
4.3
DEC DEC SBC SBC SBC
R1
SBC SBCX SBCX
IR1,IM ER2,ER1 IM,ER1
IR1
r1,r2
r1,Ir2
R2,R1
2.2
DA
R1
2.3
DA
IR1
2.3
OR
r1,r2
2.4
OR
r1,Ir2
3.3
OR
R2,R1
3.4
OR
IR2,R1
3.3
OR
R1,IM
3.4
4.3
4.3
OR
ORX ORX
IR1,IM ER2,ER1 IM,ER1
2.2
2.3
2.3
2.4
3.3
3.4
3.3
3.4 4.3 4.3
1.2
WDT
POP POP AND AND AND AND AND AND ANDX ANDX
R1
IR1
r1,r2
r1,Ir2
R2,R1
IR2,R1
R1,IM
IR1,IM ER2,ER1 IM,ER1
2.2
2.3
2.3
2.4
3.3
3.4
3.3
3.4 4.3 4.3
1.2
STOP
COM COM TCM TCM TCM TCM TCM TCM TCMX TCMX
R1
IR1
r1,r2
r1,Ir2
R2,R1
IR2,R1
R1,IM
IR1,IM ER2,ER1 IM,ER1
2.2
2.3
2.3
2.4
TM
r1,Ir2
3.3
TM
R2,R1
3.4
TM
IR2,R1
3.3
TM
R1,IM
3.4
4.3
4.3
1.2
HALT
PUSH PUSH TM
R2
TM
TMX TMX
IR2
r1,r2
IR1,IM ER2,ER1 IM,ER1
2.5
2.6
2.5
2.9
3.2
3.3
LDX
3.4
LDX
3.5
3.4
3.4
1.2
DI
DECW DECW LDE LDEI LDX
RR1
LDX
LDX
LDX
IRR1
r1,Irr2
Ir1,Irr2 r1,ER2 Ir1,ER2 IRR2,R1 IRR2,IR1 r1,rr2,X rr1,r2,X
2.2
RL
R1
2.3
RL
IR1
2.5
2.9
3.2
3.3
LDX
3.4
LDX
3.5
3.3
3.5
1.2
EI
LDE LDEI LDX
r2,Irr1
LDX
LEA
LEA
Ir2,Irr1 r2,ER1 Ir2,ER1 R2,IRR1 IR2,IRR1 r1,r2,X rr1,rr2,X
2.5
2.6
2.3
CP
r1,r2
2.4
CP
r1,Ir2
3.3
CP
R2,R1
3.4
CP
IR2,R1
3.3
CP
R1,IM
3.4
4.3
4.3
1.4
RET
INCW INCW
RR1
CP
CPX
CPX
IRR1
IR1,IM ER2,ER1 IM,ER1
2.2
CLR
R1
2.3
2.3
2.4
3.3
3.4
3.3
3.4 4.3 4.3
1.5
IRET
CLR XOR XOR XOR XOR XOR XOR XORX XORX
IR1
r1,r2
r1,Ir2
R2,R1
IR2,R1
R1,IM
IR1,IM ER2,ER1 IM,ER1
2.2
2.3
2.5
2.9
2.3
JP
IRR1
2.9
LDC
Ir1,Irr2
3.3 3.2
LD PUSHX
1.2
RCF
RRC RRC LDC LDCI
R1
IR1
r1,Irr2
Ir1,Irr2
r1,r2,X
ER2
2.2
2.3
2.5
2.9
2.6
2.2
3.3
3.4
LD
r2,r1,X
3.2
POPX
ER1
1.2
SCF
SRA SRA
R1
LDC LDCI CALL BSWAP CALL
r2,Irr1
IR1
Ir2,Irr1
IRR1
R1
DA
2.2
RR
R1
2.3
RR
IR1
2.2
BIT
p,b,r1
2.3
LD
r1,Ir2
3.2
LD
R2,R1
3.3
LD
IR2,R1
3.2
LD
R1,IM
3.3
4.2
4.2
1.2
CCF
LD
LDX
LDX
IR1,IM ER2,ER1 IM,ER1
2.2
2.3
2.6
2.3
LD
Ir1,r2
2.8
MULT
RR1
3.3
LD
3.3
BTJ
3.4
BTJ
SWAP SWAP TRAP
R1
IR1
Vector
R2,IR1 p,b,r1,X p,b,Ir1,X
Figure 101. First Opcode Map
PS017610-0404
Opcode Maps
ZILOG [ ZILOG, INC. ]
