题目内容
(请给出正确答案)
[主观题]
设(R0)=30H,(30H)=7EH。指令:MOVP0,#3FH其目的操作数的寻址方式和指令执行结果是()。
A寄存器寻址,(P0)=7EH
B间接寻址,(P0)=30H
C直接寻址,(P0)=3FH
D立即寻址,(P0)=3FH
答案
查看答案
A寄存器寻址,(P0)=7EH
B间接寻址,(P0)=30H
C直接寻址,(P0)=3FH
D立即寻址,(P0)=3FH
第1题
A.1020H
B.3020H
C.2030H
D.2010H
第3题
A.30H~39H,41H~5AH
B.40H~49H,61H~7AH
C.30H~39H,61H~7AH
D.40H~49H,71H~8AH
第4题
若使CPL=1,DP=1,SP=0100H,执行直接寻址语句:ADD 30H,A后,则得到16位的数据存储器实际地址为()。
A.00B0H
B.0130H
C.0031H
D.0030H
第6题
A.17H,4030H:2010H
B.17H,2010H:4030H
C.16H,4030H:2010H
D.16H,2010H:4030H
第7题
A.17H,4030H:2010H
B.17H,2010H:4030H
C.16H,4030H:2010H
D.16H,2010H:4030H
第10题
A.STR R1,[R0,-#0x12]
B.STR R1,[R0,#0x12]
C.LDR R1,[R0,-#0x12]
D.LDR R1,[R0,#0x12]