$(\%30)$

Write an assembly language program which reads a

sentence, byte by byte, from the memory. Then, the program

stores:

a$)$ the number of uppercase letters into location UPPER,

and

b$)$ the number of lowercase letters into location LOWER.

$.$MODEL SMALL

$.$STACK $64$

$.$DATA

Write an assembly language program which reads ASCII

numbers, byte by byte, from the memory. Then, the program

sums all these numbers by correcting the sum after each

addition using AAA command. Save the ASCII sum in

SUM$\_$ASCII, and then convert the sum into packed BCD

and save it in SUM$\_$PACKED

$.$MODEL SMALL

STACK $64$

$.$DATA

ASCII$\_$NUMS DB $\text{'}23574,$

SUM$\_$ASCII DB $?$

SUM$\_$PACKED DB $?$

CODE

MOV AX$,$@DATA

MOV DS$,$AX