8051 C keypad code without interrupts and without using port 3

[0killingsoul0]

I urgently need keypad code in c for 8051 without using interrupts and not using port 3 because all of my interrupts are used. Actually i would have loved to write the whole code by myself but currently i have tons of other code to write and all the code on forums is using interrupts or port 3. Thanks in advance.