MCS-51汇编指令祥解 取自 电子维基 10:37 2007年9月28日的修订版本 MCS-51汇编指令祥解 目录 [隐藏] 1 MCS-51汇编指令A表 1.1 ACALL addr111.2 ADD A,Rn1.3 ADD A,direct1.4 ADD A,@Ri1.5 ADD A,#data1.6 ADDC A,Rn1.7 ADDC A,direct1.8 ADDC A,@Ri1.9 ADDC A,#data1.10 AJMP addr111.11 ANL A,Rn1.12 ANL A,direct1.13 ANL A,@Ri1.14 ANL A,#data1.15 ANL direct,A1.16 ANL direct, #data1.17 ANL C,bit1.18 ANL C,/bit 2 MCS-51汇编指令C表 2.1 CJNE A,dircet,rel2.2 CJNE A,#data,rel2.3 CJNE Rn,#data,rel2.4 CJNE @Ri,#data,rel2.5 CLR A2.6 CLR C2.7 CLR bit2.8 CPL A2.9 CPL C2.10 CPL bit 3 MCS-51汇编指令D表 3.1 DA A3.2 DEC A3.3 DEC Rn3.4 DEC direct3.5 DEC @Ri3.6 DIV AB3.7 DJNZ Rn,rel3.8 DJNZ direct,rel 4 MCS-51汇编指令I表 4.1 INC A4.2 INC Rn4.3 INC direct4.4 INC @Ri4.5 INC DPTR 5 MCS-51汇编指令J表 5.1 JB bit,rel5.2 JBC bit,rel5.3 JC rel5.4 JMP @A+DPTR5.5 JNB bit,rel5.6 JNC rel5.7 JNZ rel5.8 JZ rel 6 MCS-51汇编指令L表 6.1 LCALL addr166.2 LJMP addrl6 7 MCS-51汇编指令M表 7.1 MOV A,Rn7.2 MOV A,direct7.3 MOV A,@Ri7.4 MOV A,#data7.5 MOV Rn,A7.6 MOV Rn,direct7.7 MOV Rn,#data7.8 MOV direct,A7.9 MOV direct,Rn7.10 MOV direct2,direct17.11 MOV direct, @Ri7.12 MOV direct,#data7.13 MOV @Ri,A7.14 MOV @Ri,direct7.15 MOV @Ri,data7.16 MOV C,bit7.17 MOV bit,C7.18 MOV DPTR,#datal67.19 MOVC A,@A+DPTR7.20 MOVC A,@A+PC7.21 MOVX A,@Ri7.22 MOVX A,@DPTR7.23 MOVX @Ri,A7.24 MOVX @DPTR,A7.25 MUL AB 8 MCS-51汇编指令N表 8.1 NOP 9 MCS-51汇编指令O表 9.1 ORL A,Rn9.2 ORL A,direct9.3 ORL A,@Ri9.4 ORL A,#data9.5 ORL direct,A9.6 ORL direct,#data9.7 ORL C,bit9.8 ORL C,/bit 10 MCS-51汇编指令P表 10.1 POP direct10.2 PUSH direct 11 MCS-51汇编指令R表 11.1 RET11.2 RETI11.3 RL A11.4 RLC A11.5 RR A11.6 RRC A 12 MCS-51汇编指令S表 12.1 SETB c12.2 SETB bit12.3 SJMP rel12.4 SUBB A,Rn12.5 SUBB A,direct12.6 SUBB A,@Ri12.7 SUBB A,#data12.8 SWAP A 13 MCS-51汇编指令X表 13.1 XCH A,Rn13.2 XCH A,direct13.3 XCH A,@Ri13.4 XCHD A,@Ri13.5 XRL A,Rn13.6 XRL A,direct13.7 XRL A,@Ri13.8 XRL A,#data13.9 XRL direct,A13.10 XRL direct,#data