Well that brought back some memories. I didn't realise that the Space Invaders machines had any sound effects that weren't analogue. I've been looking at generating sounds by synthesis in an ESP or arduino, and RU-vid recommended this video - so for once the algorithm is working! Think I'll be checking out your other videos, I like the way you're using KiCAD to show the circuits. About 15 years ago I spent a lot of time experimenting with analogue synthesiser circuits, so this and the previous video were also a bit of a nostalgia trip. You never know, one day I might actually make that synthesiser I've thought about all these years!!!
Thank you Ian for the kind comment. I found this guide very helpful for the SN76477 drive.google.com/file/d/1V8KfUu0S1J3vCST3iLIBWLaoyQ7mAXFH/view?usp=sharing Good luck with the synthesizer!
hehe - I knew someone would catch me out as soon as I said it ;) - thanks for the comment. I feel the same way about these sounds as you. Many an hour spent in the local video arcade!
