Re: C64/VIC Bus state during RESET

From: Jim Brain (
Date: 2008-10-31 06:10:10

Jim Brain wrote:
> If I was to turn on a C64 or VIC and hold RESET low, do any of the ICs 
> hold the address or data bus?  in other words, if I had a RAM on the 
> bus (on a card, let's say), could I use another CPU not under RESET to 
> read/write to it?
> Jim
Never mind for C64.  As Adrian pointed out, VIC-II refreshes and data 
pulls still occur.

I don't have a VIC-20 setup to scope.  Anyone remember?


Jim Brain, Brain Innovations                                      (X) 
Dabbling in WWW, Embedded Systems, Old CBM computers, and Good Times! 

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