MiSTer FPGA Forum

Okay I tried going back to a year old version and didn’t make any difference, not sure how far back it’s worth going tbh. As far as I can tell the core is generating the right signals, it’s just not getting to the SNAC board

Appreciate the “head slap” questions, could have done that that earlier. Is NES core (tried PAL, NTSC and Dendy modes), SNAC is enabled, Zapper set to Off, Periphery set to None, Swap Joysticks make no difference, Multitap disabled. UART is turned off. Am playing game trying to read the controller, have separate device for navigating menu. Is defin...

I got the SNAC adaptor today, connecting it to the Digital I/O board v1.2... and it doesn’t work. I have completely disassembled the NES controller to confirm that’s working, and checked all the soldering on the SNAC board. The problem seems to be pin 3 on the SNAC, which is the latch signal. On the oscilloscope that signal is never dropping below ...