Running Doom on a Doomed GPS

What’s the first thing you think of when you see an old GPS navigation system for sale cheap at a garage sale? Our research indicates that 100% of people would wonder if it could run Doom; at least that’s what we conclude from the single data point we have, anyway. [Jason Gin] asked and answered the question — with a resounding yes — about his recent acquisition.

The unit in question is a Magellan RoadMate 1412 running Windows CE. After some playing, [Jason] found that simply connecting the unit to a computer via USB caused all the application files to appear as a FAT-formatted volume. Replacing the obviously-named “MapNavigator.exe” with a copy of TotalCommander/CE allowed browsing around the filesystem.

This revealed that much was missing from the CE install, including the Explorer shell and command prompt. Either could be used to launch Doom with the required command-line arguments. Luckily, [Jason] had another trick ready, namely using MortScript (a scripting engine) to launch the Doom executable. This worked like a charm, and after a few tweaks, he now has a dedicated demo box.

We say “demo box” instead of “Doom machine” because without a keyboard, you can’t actually play the game — only view the demo. In a valiant attempt, he connected a USB OTG connector, but the GPS doesn’t seem to recognize input devices, only USB storage devices. Keep at it, [Jason], we’d love to see you crack this one!

[Jason] is no stranger to hacking Windows CE devices. Last time we checked in, the target was a KeySight DSO1102G oscilloscope.

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