Understanding the relationship between high$-$level language and assembler, Un$-$ derstanding the programming model of a CPU using the example of an Atmel AVR ATmega$32$ microcontroller..

loop :

Task $1.$

ldi r$16,$ ldi r$17,$

sub r$16,$ cpi r$16,$ brlt loop

$0$b$111111110$b$00000001$

r$170$b$00000000$

Given is the assembler program ex$01$ that implements a particular loop shape. Specify the meaning of the lines in $$pseudo$-$code$.$