执行前(A)=45H,执行下列指令后, MOV 60H ,#78H CJNE A, 60H, NEXT (A)=_______,(60H)=_______,CY=_______
举一反三
- 假设(30H)=60H,(60H)=55H,则执行下列指令后,(A)=H,MOV R0,30HMOV A,@R0
- 已知 (A) = 78H, (R5) = 60H,(60H)=50H,执行指令 MOV A,@R5后 (A)= __ A: 78H B: 60H C: 50H D: 80H
- 中国大学MOOC: 已知 (A) = 78H, (R5) = 60H,(60H)=50H,执行指令 MOV A,@R5后 (A)= __
- 已知(10H)=5AH,(2EH)=1FH, (40H)=2EH,(60H)=3DH<br/>执行下列程序段后:MOV 20H,60H MOV R1,20H MOV A,40H XCH A,R1 XCH A,60H XCH A,@R1 MOV R0,#10H XCHD A,@R0 (A)=______ ,(10H)=______ ,(2EH)=______ ,(40H)=______ ,(60H)=______
- 假定(SP)=40H ,(39H)=30H,(40H)=60H。执行下列指令:POP DPHPOP DPL后,DPTR的内容为 H。