You may have some luck with a program called "Quack Sound Effects Studio". It's shareware, and Google turns up many a link to it on shareware sites. I'm yet to find a home page for it, but to be honest, I'm not really looking very hard. :o)
Anyway, it's like a modular synth system sorta thing specifically tailored to produce the sort of bleeps and bloops retro games crave. There are downloadable version about - it would pay you to check it out.
Anyway, it's like a modular synth system sorta thing specifically tailored to produce the sort of bleeps and bloops retro games crave. There are downloadable version about - it would pay you to check it out.