itch.io

You could always put some ANSI art in your autoexec.bat. If you wanted to see something on boot, that might be trickier.  A text mode screen is 4KB and the entire BIOS ROM is only 8KB...

I featured Frogblock on my blog. I don't know if this comment system will let me post links, but let's see...

https://martypc.blogspot.com/2026/05/60fps-video-on-cga-glyphblaster.html