Answer to Question #323441 in Assembler for amna

Question

Suppose DH contains (6B) 16 hexadecimal, AH=(CB) 16 , CF=1, and CL contains 5,

What are the values of DH after the following instructions:

AND DH,AH

RCL DH, CL.

Answer 1

mov  dh, 06bh             ;DH = 06Bh

mov  ah, 0cbh              ;AH = 0CBh

mov  cl, 5                 ; CL = 5

stc                         ; CF = 1

and  dh, ah                  ; DH = 4Bh

;Rotate With Carry Left

rcl   dh, cl                     ; DH = 64h
; DH = 64h