Jeff, I think that might just be a photo artifact and not a drilled hole. Looks like maybe the backlight is bleeding? Doesn't mean that the LCD isn't the culprit, though! Maybe it's loose.

besser435, you're building a known-working design to run known-working code. That makes your troubleshooting ...

Thanks for all the help everyone! I was worried it might be a wiring problem, but I guess I'll go triple-check everything again. I'll also make sure to tie that floating input to 5v.

Sorry, I forgot about that. The code can be viewed as plain text here: https://eater.net/downloads/hello-world.s

Hi everyone, I recently finished my 6502 build, but am running into some issues with Ben's hello-world and hello-world-final programs. It's running the original hello world program and the LCD text appears jumbled, and sometimes it doesn't show up at all. Additionally, when I run hello-world-final ...