How do I make emulators?

[Lucandrake]

I understand the switch consept since my teacher covered it in the first month of school, it was the only class I liked and payed attention to and it still is im just concentrating more on everything else, my book shows me 2 line of coding that summuns up a normal white window box, idk were to put tho, like in INT main or right after I include string and iostream...

[someboddy]

If you post the lines here, maby I can help you.