@RainReach: UnknownCheats has nothing to do with hardware reverse engineering. That's a cheat/anti-cheat reversing community, primarily software-side. A name showing up there doesn't demonstrate any competence in voltage-glitch hardware, EFUSE...
@RainReach : nobody asked whether you personally care about Quake. Mayo's post was an example of what this kind of payload could enable — native homebrew execution outside dev mode. That's directly relevant to what a working modchip unlocks...
Massive respect for GFL_Tech taking this on openly. The sub-nanosecond timing requirement for VGH is genuinely the hard part here. The TLV3201 comparator approach for state-tracking makes sense as a foundation though.
What I keep coming back to...