MOV R1,#40H;MOV A,@R1;RL A;MOV R0,A;RL A;RL A;ADD A,RO; MOV
2、阅读下列程序,说明其功能.MOV R0,#30H MOV A,@R0 RL A MOV R1,A RL A RL A
MOV P0,A MOV A,R1 MOV P2,A
执行下列程序段后,(A)=_______,(CY)=____.MOV A,#C5H RL A
1.下列指令中,错误的指令是( ). A.MOV A,@R1 B.MOV 41H,@
was a fun mov
MOV P1,单片机的,还有个MOV A,P1
3.下列指令中哪条是正确的( ) A.MOV DS,0200H B.MOV AX,[SI][DI] C.MOV BP,A
MOV R2,R7 MOV A,@R2 DEC DPTR CPL 2FH MOV 20H.7,F0 PUSH DPTR
MOV P2.4,A和MOV R2,@R0对吗?如果错了错在哪?并改正!
判断与简单1,下面指令中20H所表示的含义相同吗?为什么?MOV A,#20H;MOV 30H,20H;MOV C,20
MOV A,AD_NUM_BCD_H_0 ANL A,#0F0H SWAP A MOV B,#10 MUL AB.功能,
单片机借位 怎么回事 clr c mov a,#56h subb a,#0f8h mov 40h,a (40h)=?详细