The procedures to initializes TM$4$C Port B$,$ so pins $1,2,3,4$ as input and the rest are output is$?$

LDR R$0,$ GPIO$\_$PORTB$\_$DIR$\_$R

MOVB R$1,$#$\%10101010$

STR R$1,[$R$0]$

LDR R$0,$ PORTB

MOVB R$1,$#$\%11110000$

STR R$1,[$R$0]$

LDR RO$,$ GPIO$\_$PORTB$\_$DIR$\_$R $*$

MOVB R$1,$#$\%11100001$

STR R$1,[$R$0]$

LDR R$0,$ GPIO$\_$PORTB$\_$DIR$\_$R

MOVB R$1,$#$\%11110000$

STR R$1,[$R$0]$