nesdev.org

An intermittent issue like that sounds like a bad solder joint or a dirty cart edge contact. If the ROMs were switched, it wouldn't boot at all. You were right, a circle was less than half missing where a pin comes through. I used a different pcb and it works great now. Thanks, still semi novice to...

Did you make the patched rom 2.0MB before you split it? If you only wrote 1.0MB to one chip and 512Kb to the other, then you may experience problems like this. Yes, I did that. The bin files are both 1024KB. Actually I just about to go to bed and figured let me try it again. It worked, went to the ...

I too have been trying to make this cartridge. This is the only place I found where I could possibly get some answers to what's going on with the Zelda Parallel World cart I made. I hope someone can help me out here. I tested the rom in snes9x, found no title issues there, and successfully burned th...