Exercise aex$3$a: Convert $-5$ to $+5$ by negating its bits and adding $1.$ Save your solution as a

file named aex$3$a$.$asm for possible future use.

$5$

Exercise aex$3$b: Calculate the value of $1234-(567+89)$ without using the sub instruction.

Save your solution as a file named aex$3$b$.$asm for possible future use.

Exercise aex$3$c: Rotate right by $4$ bits the value of $0$x$0000000000000123.$ The expected

result is $0$x$3000000000000012,$ i$.$e$.$ all hexadecimal digits move right by one position while

the rightmost one moves to the front. Save your solution as a file named aex$3$c$.$asm for

possible future use.