Search found 4 matches

by GamingWithSkippy
Tue Oct 18, 2016 1:29 pm
Forum: Reproduction
Topic: NES Willem EPROM writing issues
Replies: 8
Views: 4321

Re: NES Willem EPROM writing issues

I figured it out. It was my own stupidity. I had the option [ Skipt Write 0xFF ] Checked off. That there could screw up any thing. I got it working though.

Thank you every one for your suggestions! I also had the EPROM under volted!

REJOICE! GWS Rom hacks on Carts!
by GamingWithSkippy
Tue Oct 18, 2016 11:57 am
Forum: Reproduction
Topic: NES Willem EPROM writing issues
Replies: 8
Views: 4321

Re: NES Willem EPROM writing issues

Yeah, because CN-ROM boards don't require any re-wiring.
by GamingWithSkippy
Mon Oct 17, 2016 1:17 pm
Forum: Reproduction
Topic: NES Willem EPROM writing issues
Replies: 8
Views: 4321

Re: NES Willem EPROM writing issues

The screen is full of random tiles, in a variety of different shades. This means that: CHR ROM appears to be working correctly PRG ROM is working far enough to upload a palette and enable rendering The CPU then crashes. The possible failure modes are (AFAIK): the PRG UVEPROM is damaged the PRG is m...
by GamingWithSkippy
Mon Oct 17, 2016 12:55 am
Forum: Reproduction
Topic: NES Willem EPROM writing issues
Replies: 8
Views: 4321

NES Willem EPROM writing issues

So I have every thing I need for programming repros for my self. But I have run in to some thing of a snag. I use Famirom to split the rom. I have the correct mirroring. The correct size eproms. But every single REPRO I try to burn turns out the same. I have tried 7 different boards, the donors have...