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MCS-51




 

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        0V AC
1.
ADD A,Ri     A (A)+(Ri), i=0...7 + + +
ADD A,rel     A (A)+(rel) + + +
ADD A,@Ri     A (A)+R(Ri), i=0,1 + + +
ADD A,#data     A (A)+(B2) + + +
ADDC A,Ri     A (A)+(Ri)+(c), i=0..7 + + +
ADDC A,rel     A (A)+(rel)+ (c) + + +
ADDC A,@Ri     A (A)+R(Ri)+(c), i=0,1 + + +
ADDC A,#data     A (A)+(B2)+ (c) + + +
SUBB A,Ri     A (A)-(Ri) -(c), i=0...7 + + +
SUBB A,rel     A (A)-(rel) -(c), + + +
SUBB A,@Ri     A (A)-R(Ri) -(c), i=0,1 + + +
SUBB A,#data     A (A)-(B2)-(c), + + +
INC A     A (A)+1      
INC Ri     Ri (Ri)+1, i=0...7      
INC rel     Rel (rel) +1      
INC DPTR     M(DPTR) M(DPTR)+1      
DEC A     A A-1      
DEC Ri     Ri (Ri)-1, i=0...7      
DEC rel     Rel (rel) -1      
DEC @Ri     R(Ri) R(Ri) -1,i=0...1      
MUL AB     B D15...D8, AD7...D0      
DIV AB     A ,OV1, =0      
DA A          
2.
ANL A,Ri     A (A)+(Ri), i=0...7      
ANL A,rel     A (A)+(rel)      
ANL A,@Ri     A (A)+R(Ri), i=0,1      
ANL A,#data     A (A)+(B2)      
ANL rel,A     (rel) (A)+(rel) + + +
ANL rel,#data     rel (rel)+(B2) + + +
ORL A,Ri     A (A)+(Ri), i=0...7 + + +
ORL A,rel     A (A)+(rel) + + +
ORL A,@Ri     A (A)+R(Ri), i=0,1 + + +
ORL A,#data     A (A)+(B2) + + +
ORL rel,A     (rel) (A)+(rel) + + +
ORL rel,#data     rel (rel)+(B2) + + +
XRL A,Ri     A (A)+(Ri), i=0...7 + + +
XRL rel,#data     rel (rel)+(B2) + + +
CLR A     A 0      
CPL A     A A/      
RL A     An+1 An, A0 A7      
RLC A     An+1 An, A0 c, c A7      
RR A     An An+1, A7 A0      
RRC A     An An+1, c A0, A7 c      
SWAP A     A3-0 A7-4      
3.
MOV A,Ri     A (Ri), i=0...7      
MOV A,rel     A (rel)      
MOV A,@Ri     A R(Ri), i=0,1      
MOV A,#data     A (B2)      
MOV Ri,A     (Ri) A, i=0...7      
MOV rel,A     (rel) A      
MOV A,@Ri     A R(Ri), i=0,1      
MOV A,#data     A (B2)      
MOV Ri,rel     (Ri) (rel)      
MOV rel,#data     rel (B2)      
MOV Ri,#data     Ri (B2), i=0...7      
MOV rel,Ri     rel (Ri), i=0...7      
MOV rel1,rel2     rel1 (rel2)      
MOV rel,@Ri     rel R(Ri), i=0,1      
MOV @Ri, A     @Ri(A), i=0,1      
MOV @Ri, rel     @Ri(rel), i=0,1      
                     

MOV @Ri, #data

2_1_@Ri(B2), i=0,1        
MOV DPTR, #data16     DPTR(B2,B3)      
MOVC A,@A+DPTR     A M((A)+DPTR)      
MOVC A,@A+PC     A M((A)+PC+1)      
MOVX A,@Ri     A M(Ri), i=0,1( )      
MOVX A,@DPTR     A M(DPTR)      
MOVX @DPTR,A     M(DPTR) A      
PUSH rel     SP (rel), (SP) (SP)+1      
POP rel     (rel) SP, (SP) (SP)-1      
XCH A,Ri     (Ri)A, i=0...7      
XCH A,rel     A (rel)      
XCH A,@Ri     A R(Ri), i=0,1      
XCHD A,@Ri     A3-0 R3-0 (Ri), i=0,1      
4.
CPL bit     bitbit/      
CPL C     Cßc/      
ANL C,bit     c bit Ù c      
ANL C,bit/     c bit/ Ù c      
ORL C,bit     c bit Ú c      
ORL C,bit/     c bit/ Úc      
MOV C,bit     c bit      
MOV bit,C     bit c      
CLR C     C ß 0      
CLR bit     bit ß 0      
SETB C     Cß1      
SETB bit     bit ß1      
5.
ACALL addr11     (PC) (PC)+2, SP (PC), (SP) (SP)+2, (PC) addr11      
LCALL addr16     (PC) (PC)+3, SP (PC), (SP) (SP)+2, (PC) addr16      
RET     (PC) SP, (SP) (SP)-2      
RETI     (PC) SP, (SP) (SP)-2      
AJMP addr11     (PC) (PC)+2, (PC) addr11      
AJMP addr16     (PC) (PC)+2, (PC) addr16      
SJMP rel     (PC) (PC)+2, (PC) (PC) + rel      
JMP @A+DPTR     (PC) (A)+(DPTR)      
JZ rel     (PC) (PC)+2, IF A=0 (PC)(PC)+rel      
JNZ rel     (PC) (PC)+2, IF A¹0 (PC)(PC)+rel      
JC rel     (PC) (PC)+2, IF c=0 (PC)(PC)+ rel      
JNC rel     (PC) (PC)+2, IF c¹0 (PC) (PC) + rel      
JB bit, rel     (PC) (PC)+3, IF bit=0 (PC) (PC) + rel      
JNB bit, rel     (PC) (PC)+3, IF bit¹0 (PC) (PC) + rel      
JBC bit, rel     (PC) (PC)+3, IF bit=0 (PC) (PC) + rel, bit0      
CJNE A,dir,rel     IF (A)=(dir) (PC) (PC)+3, IF (A)>(dir) (PC) (PC) + rel, c0 IF (A)<(dir) (PC) (PC) + rel, c1      
CJNE A,#data,rel     IF (A)=(#data) (PC) (PC)+3, IF (A)>(#data) (PC) (PC) + rel, c0 IF (A)<(#data) (PC) (PC) + rel, c1      
CJNE Ri,#data,rel     IF (Ri)=(#data) (PC) (PC)+3,i=0...7 IF (Ri)>(#data) (PC) (PC) + rel, c0 IF (Ri)<(#data) (PC) (PC) + rel, c1      
CJNE @Ri,#data,rel     IF R(Ri)=(#data)(PC) (PC)+3,i=0...7 IF R(Ri)>(#data)(PC) (PC) + rel,c0 IF R(Ri)<(#data)(PC) (PC) + rel, c1      
DJNZ Ri,rel     (PC) (PC)+2,RiRi-1,i=0...7, IF (Ri) ¹0 (PC) (PC) + rel,      
DJNZ dir,rel     (PC) (PC)+3,dirdir-1, IF dir¹0 (PC) (PC) + rel,      
NOP          
               

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1. rel 00 - FF.

Data16 - , 2 3 .

Data - , 2 .

B2 - .

M(X) - , - , .

Dir - 00 -7F.

P000) - ( 8 000 111), .

Bit - 20...3F (bit 00...7F.





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: 2016-10-06; !; : 293 |


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