https://arstechnica.com/gadgets/2007/08/a-history-of-the-amiga-part-3/ https://arstechnica.com/gadgets/2007/08/a-history-of-the-ami... Even in the 70s/80s, som

https://arstechnica.com/gadgets/2007/08/a-history-of-the-amiga-part-3/ https://arstechnica.com/gadgets/2007/08/a-history-of-the-ami... Even in the 70s/80s, some prototypes were hardwired.