Please answer all parts of the question with detailed explanation so I can understand.

1. Complete the following code fragment. It counts the number of Zero (null byte) values in an array which consists of 10 values in byte size pointed by the address register Al. [8 points] ORG Ox1000 CLR.L %DI // Initialize null byte counter -'%DO // Initialize the loop counter // Is the reading value equal zero? // If equals to zero, add the zero counter /1 otherwise, read the next value 1.1 TST . B BEQ BRA 2 3 D1 // update number of null bytes %DO // update number of searched bytes L1 // If not finish all 10 bytes, continue BNE TRAP #15