How to get keyboard input in an Homemade OS?

Question

How to get keyboard input in an Homemade OS?

Answer 1

Take a look at this: http://wiki.osdev.org/PS2_Keyboard.

Answer 2

Given that no further explanations are given, I'll assume a x86 platform.

You need to install a handler for the keyboard interrupt. Here is an example as a Linux module that you can probably get inspiration from: http://tldp.org/LDP/lkmpg/2.4/html/x1210.html

And also:

http://wiki.osdev.org/Interrupts

If you give more detail about your OS (architecture? real or protected mode?) we can probably give you better answers.