Atmel 8051 User Manual

The 8051 Instruction Set
Atmel 8051 Microcontrollers Hardware Manual 1-22
4316B–8051–02/04
x8
INC R0
1-1
DEC R0
1-1
ADD A,R0
1-1,C,OV,AC
ADDC A,R0
1-1,C,OV,AC
ORL A,R0
1-1
ANL A,R0
1-1
XRL A,R0
1-1
MOV R0,#imm
2-1
MOV dir,R0
2-2
SUBB A,R0
1-1,C,OV,AC
MOV R0,dir
2-2
CJNE R0,#imm,rel
3-2,C
XCH A,R0
1-1
DJNZ R0,rel
2-2
MOV A,R0
1-1
MOVX R0,A
1-1
Ox
1x 2x 3x 4x 5x 6x 7x 8x 9x
Ax Bx Cx Dx
Ex
Fx
x7
INC @R1
1-1
DEC @R1
1-1
ADD A,@R1
1-1,C,OV,AC
ADDC A,@R1
1-1,C,OV,AC
ORL A,@R1
1-1
ANL A,@R1
1-1
XRL A,@R1
1-1
MOV @R1,#imm
2-1
MOV dir,@R1
2-2
SUBB A,@R1
1-1,C,OV,AC
MOV @R1,dir
2-2
CJNE @R1,#imm,rel
3-2,C
XCH A,@R1
1-1
XCHD A,@R1
1-1
MOV A,@R1
1-1
MOVX @R1,A
1-1
x6
INC @R0
1-1
DEC @R0
1-1
ADD A,@R0
1-1,C,OV,AC
ADDC A,@R0
1-1,C,OV,AC
ORL, A,@R0
1-1
ANL A,@R0
1-1
XRL A,@R0
1-1
MOV @R0,#imm
2-1
MOV dir,@R0
2-2
SUBB A,@R0
1-1,C,OV,AC
MOV @R0,dir
2-2
CJNE @R0,#imm,rel
3-2,C
XCH A,@R0
1-1
XCHD A,@R0
1-1
MOV A,@R0
1-1
MOVX @R0,A
1-1
x5
INC dir
2-1
DEC dir
2-1
ADD A,dir
2-1,C,OV,AC
ADDC A,dir
2-1,C,OV,AC
ORL A,dir
2-1
ANL A,dir
2-1
XRL A,dir
2-1
MOV dir,#imm
3-2
MOV dir,dir
3-2
SUBB A,dir
2-1,C,OV,AC
CJNE A,dir,rel
3-2,C
XCH A,dir
2-1
DJNZ dir,rel
3-2
MOV A,dir
2-1
MOV dir,A
2-1
x4
INC A
1-1
DEC A
1-1
ADD A,#imm 2-1,C,OV,AC
ADDC A,#imm
2-1,C,OV,AC
ORL A,#imm
2-1
ANL A,#imm
2-1
XRL A,#imm
2-1
MOV A,#imm
2-1
DIV AB
1-4,C=0,OV
SUBB A,#imm
2-1,C,OV,AC
MUL AB
1-4,C=0,OV
CJNE A,#imm,rel
3-2,C
SWAP A
1-1
DA A
1-1,C
CLR A
1-1
CPL A
1-1
x3
RR A
1-1
RRC A
1-1.C
RL A
1-1
RLC A
1-1,C
ORL dir,#imm
3-2
ANL dir,#imm
3-2
XRL dir,#imm
3-2
JMP @A+DPTR
1-2
MOVC A,@A+PC
1-2
MOVC A,@A+DPTR
1-2
INC DPTR
1-2
CPL C
1-1,C
CLR C
1-1,C=0
SETB C
1-1,c=1
MOVX A,@R1
1-2
MOVX @R1,A
1-2
x2
LJMP code
3-2
LCALL code
3-2
RET
1-2
RETI
1-2
ORL dir,A
2-1
ANL dir,A
2-1
XRL dir,A
2-1
ORL C,bit
2-2,C
ANL C,bit
2-2,C
MOV bit,C
2-2
MOV C,bit
2-1,C
CPL bit
2-1
CLR bit
2-1
SETB bit
2-1
MOVX A,@R0
1-2
MOVX @R0,A
1-2
Table 1-14. 8051 Instruction Table (Continued)

Atmel 8051 Specifications

General

Brand	Atmel
Model	8051
Category	Microcontrollers
Language	English