assembly langguage

helo! im an comp engineering student and i need ur help. i have to do a Reminder system using assembly language
|-ask user key in input |-clock system |-timer system |-output.
thats the basic idea that i have for now. we are using the emulator x86, here the link https://carlosrafaelgn.com.br/Asm86/
so the input is only keypad and the output is on/off light