已知(R0)=20H,(20H)=36H,(21H)=17H,(36H)=34H,执
问题:
已知(R0)=20H,(20H)=36H,(21H)=17H,(36H)=34H,执行下列程序后,则(R0)=______(R2)=______。
MOV A,@R0
MOV R0,A
MOV A,@R0
ADD A,21H
ORL A,#21H
RL A
MOV R2 A
RET
已知(R0)=20H,(20H)=36H,(21H)=17H,(36H)=34H,执行下列程序后,则(R0)=______(R2)=______。
MOV A,@R0
MOV R0,A
MOV A,@R0
ADD A,21H
ORL A,#21H
RL A
MOV R2 A
RET