Write a search subroutine that check if the memory locations that stored at

$001A0$ to $0x01BF$ contains the value of $0xA5.$ Use indirect register auto

increment $x$ for this purpose. Also, use Macro code to initiate the stack.

Write a program to generate a square wave with $75\%$ duty cycle on bit PB$5.$

Hint: use delay subroutine.