Denial

Thanks Richard, I see your point about the use of these signals internally to the Vic20 but this still doesn't explain to me why put it on the expansion port. What is possible with this pin that otherwise would not be possible? I found some ram expansion schematics and they use the crw pin. http://w...

Hello,
I cannot explain by myself what is the purpose of pin 17 vr/w of the expansion port.
Could someone explain it?

Vic's address and data busses are not visible on the expansion port, so why add vrw?

Thanks,
Ovale