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8XC251SA, SB, SP, SQ USER’S MANUAL
A-4
A.2 OPCODE MAP AND SUPPORTING TABLES
Table A-6. Instructions for MCS
®
51 Microcontrollers
Bin. 0 1 2 3 4 5 6-7 8-F
Src. 0 1 2 3 4 5 A5
x
6–A5
x
7A5
x
8–A5
x
F
0NOP AJMP
addr11
LJMP
addr16
RR
A
INC
A
INC
dir8
INC
@Ri
INC
Rn
1 JBC
bit,rel
ACALL
addr11
LCALL
addr16
RRC
A
DEC
A
DEC
dir8
DEC
@Ri
DEC
Rn
2JB
bit,rel
AJMP
addr11
RET RLA ADD
A,#data
ADD
A,dir8
ADD
A,@Ri
ADD
A,Rn
3 JNB
bit,rel
ACALL
addr11
RETI RLCA ADDC
A,#data
ADDC
A,dir8
ADDC
A,@Ri
ADDC
A,Rn
4JC
rel
AJMP
addr11
ORL
dir8,A
ORL
dir8,#data
ORL
A,#data
ORL
A,dir8
ORL
A,@Ri
ORL
A,Rn
5 JNC
rel
ACALL
addr11
ANL
dir8,A
ANL
dir8,#data
ANL
A,#data
ANL
A,dir8
ANL
A,@Ri
ANL
A,Rn
6JZ
rel
AJMP
addr11
XRL
dir8,A
XRL
dir8,#data
XRL
A,#data
XRL
A,dir8
XRL
A,@Ri
XRL
A,Rn
7 JNZ
rel
ACALL
addr11
ORL
CY,bit
JMP
@A+DPTR
MOV
A,#data
MOV
dir8,#data
MOV
@Ri,#data
MOV
Rn,#data
8 SJMP
rel
AJMP
addr11
ANL
CY,bit
MOVC
A,@A+PC
DIV
AB
MOV
dir8,dir8
MOV
dir8,@Ri
MOV
dir8,Rn
9MOV
DPTR,#data16
ACALL
addr11
MOV
bit,CY
MOVC
A,@A+DPTR
SUBB
A,#data
SUBB
A,dir8
SUBB
A,@Ri
SUBB
A,Rn
AORL
CY,bit
AJMP
addr11
MOV
CY,bit
INC
DPTR
MUL
AB
ESC MOV
@Ri,dir8
MOV
Rn,dir8
B ANL
CY,bit
ACALL
addr11
CPL
bit
CPL
CY
CJNE
A,#data,rel
CJNE
A,dir8,rel
CJNE
@Ri,#data,rel
CJNE
Rn,#data,rel
C PUSH
dir8
AJMP
addr11
CLR
bit
CLR
CY
SWAP
A
XCH
A,dir8
XCH
A,@Ri
XCH
A,Rn
D POP
dir8
ACALL
addr11
SETB
bit
SETB
CY
DA
A
DJNZ
dir8,rel
XCHD
A,@Ri
DJNZ
Rn,rel
E MOVX
A,@DPTR
AJMP
addr11
MOVX
A,@Ri
CLR
A
MOV
A,dir8
MOV
A,@Ri
MOV
A,Rn
FMOV
@DPTR,A
ACALL
addr11
MOVX
@Ri,A
CPL
A
MOV
dir8,A
MOV
@Ri,A
MOV
Rn,A