Question: M I C R O P R O C E S S O R A N D M I C R O C O N

M I C R O P R O C E S S O R A N D M I C R O C O N T R O L L E R

L e t R 0 i n i t i a l l y c o n t a i n s 3 2 b i t v a l u e , 0 x F E C 8 A 2 B 7 . M a n i p u l a t e t h e

c o n t e n t o f R 0 b y c l e a r i n g t h e b i t 2 5 t o b i t 3 1 a n d c o m p l e m e n t t h e

b i t 0 t o b i t 9 . T h e m a n i p u l a t i o n r e s u l t t h e n i s s t o r e d i n m e m o r y

s t a r t s f r o m a d d r e s s l o c a t i o n 0 x 2 0 0 0 0 1 0 0 .

( a ) G i v e a s u g g e s t i o n o n h o w t o c l e a r a n d s e t R 0 c o n t e n t f o r t h e

s i t u a t i o n g i v e n i n Q 2 . J u s t i f y y o u r a n s w e r w i t h s u i t a b l e v i s u a l a i d s .

( 7 m a r k s )

( b ) W r i t e a n a s s e m b l y p r o g r a m t o i m p l e m e n t t h e s i t u a t i o n g i v e n i n Q 2

( 7 m a r k s )

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