Write an assembly program to allocate $100$ one$-$word data into a memory block $($consecutive memory locations$).$ The first memory location is pointed by the address label of SOURCE$\_$BLOCK. Use a loop to initialize the memory locations in the block with data from $100$ to $1$ in descending order: $100,99,98,...,5,4,3,2,1.$ No credit will be given is the db derctive statement is used.