SUDDEN DESU

disassemblies・digital archaeology・data preservation

Tinkle Pit leftover demo screen and level select (and more!)

Tinkle Pit leftover demo screen and level select (and more!)

I’ve been playing around with the MAME debugger recently. I loaded up Tinkle Pit, a cute, simple (at first…) maze game and started playing around with altering memory values. I found what appeared to be the value for the current game mode, and after poking it for a bit, I came across an odd screen…

┇Disassembly / Analysis
🖉 by Ryou

Ghosts in the ROM

Ghosts in the ROM

This is a fascinating older post made by the NYC Resistor group detailing the technical data behind the images left behind in the Apple Mac SE ROM<. As the ROM only used 89kB of the available 256kB, the original development digitized pictures of themselves and hid them away in the remaining space. The article goes into some interesting details about the image format and CPU opcodes.

Damian Ward has also posted some nice shots of the images on hardware: here, here, here and here.

┇Article
🖉 by Ryou