Program which one change pressed key

[freestaila]

hello!

I have to write a program which after press key change it for random another key. I think nasm will be the best option. Im totali newbie in this language and in my language i cant find good instructions to this.
I have key listing section in basic:
xor ax,ax
int 16h

Thanks for help

[Frank Kotler]

Yeah.... that's a BIOS interrupt. Is that what you want? What's your question?

Best,
Frank