RS0 and RS1 are ( ) A: not a part of the PSW as these are not the flags B: part of the register bank C: PS4 and PSW.5 respectively for selecting the register bank in the PSW D: PS3 and PSW.4 respectively for selecting the register bank in the PSW

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2022-06-06

RS0 and RS1 are ( ) A: not a part of the PSW as these are not the flags B: part of the register bank C: PS4 and PSW.5 respectively for selecting the register bank in the PSW D: PS3 and PSW.4 respectively for selecting the register bank in the PSW

RS0 and RS1 are ( )
A: not
a part of the PSW as these are not the flags
B: part
of the register bank
C: PS4
and PSW.5 respectively for selecting the register bank in the PSW
D: PS3
and PSW.4 respectively for selecting the register bank in the PSW

答案：

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举一反三

PSW中的 RS1和 RS0用来 ______
设初始时（PSW）=81H，（A）=7AH，（40H）=A5H，写出以下指令单独执行后（A）和（PSW）的内容：（1）ADD A，40H；（A）= ；（PSW）= ；（2）ADDC A，40H；（A）= ；（PSW）= ；（3）SUBB A，#30H；（A）= ；（PSW）= ；（4）SUBB A，40H；（A）= ；（PSW）= ；
已知PSW的Rs1和Rs0为01
中国大学MOOC: PSW中的RS1=1，RS0=0的含义是( )。
PSW中的RS1、RS0=0、1，此时R2的字节地址为 H

RS0 and RS1 are ( ) A: not<br/>a part of the PSW as these are not the flags B: part<br/>of the register bank C: PS4<br/>and PSW.5 respectively for selecting the register bank in the PSW D: PS3<br/>and PSW.4 respectively for selecting the register bank in the PSW

举一反三