假定(A)=83H,(R0)=17H,(17H)=34H,执行以下程序段
ANL A,#17H
ORL 17H,A
XRL A,@R0
CPL A
后,A的内容为( )
ANL A,#17H
ORL 17H,A
XRL A,@R0
CPL A
后,A的内容为( )
举一反三
- 【填空题】假定(A)=83H,(R0)=17H,(17H)=34H,执行以下指令后,(A)=____。 ANL A,#17H ORL 17H,A XRL A,@R0 CPL A
- 假定(A)=83H,(R0)=17H,(17H)=43H,执行以下指令后,(A)=()。 ANL A,#17H; ORL 17H,A XRL A,@R0 CPL A
- 假定A=38H,(R0)=17H,(17H)=34H,执行以下指令: ANL A,#17H ORL 17H,A XRL A,@R0 CPL A 后,A的内容为
- 假定A=83H,R0=17H,(17H)=34H,执行以下指令: ANL A, #17H ORL A, @R0 CPL A
- 假定(A)=83H,(R0)=17H,(17H)=34H,执行以下程序段后,A的内容为()MOV A,#17H ORL A, 17H