Well, as seen in a previous post I damaged the main board pretty seriously while removing the ROM daughterboard, but still had hopes it could be salvaged. In the process of making everything work, sadly, it became obvious that I would be unable to solder connectors to some of the lower…
First successful code build.
Here is the small, but significant, first step into programming the VT168. Using a standard build of the cc65 C compiler and a draft configuration file, I successfully mapped the memory and structure of the VT168 hardware. With that and the available register documentation, I had a sample running in…
NJ Pocket memory reverse engineering.
I finally got around to figure out the pinout of the little Flash ROM board in the NJ Pocket. For that I had to remove it to check the bottom pins… and well, let’s say things didn’t went very well: Despite my best efforts to safely remove it, the board…