I use emu$8086-$ assembler and microprocessor emulator $4\mathrm{.}08$

Write me the code so that it outputs the output correctly, in addition to writing the code so that it is compatible with the version I am using

Q$1)$ Write an x$86$ assembly code that calculates the number of zeros in your registration number when it is considered as hex $($not BCD$),$ and stores the result in NoOfZeros byte variable. MY RegistrationNumber: $22110962$

Q$2)$Write an x$86$ assembly code that finds the maximum one of your Marks in the previous semester and stores the result in MaxMark byte variable.my marks :$90,80,72,86,83,94,74$