Question 2 Which of the following is are illegal and why a a
Question 2:
Which of the following is (are) illegal? and why?
(a) add a, r5
(b) add a, #0f5h
(c) add r2, r4
(d) add a , #60h
(e) add 60h , #90
(f) add 0e0h , #55h
(g) mov r3 , #500
Solution
(c), (g), are illegal because........
we can not add register to the accumlator, we can add only the \"values\" in register to the accumlator ( question a)
in question \"g\" only value is specified not the register address...we need address of the specific value to add it to the register..
