On the PC, you got QBasic out of the box. That actually lets you push things already a bit. The main things really missing were soundcard sound and mouse input.

On the PC, you got QBasic out of the box. That actually lets you push things already a bit. The main things really missing were soundcard sound and mouse input. But if you got to that stage, you had enough of a clue to go shopping about for other compilers / assemblers.