Porting Test Drive II from SNES to PC, Part 5: Making scanline validation repo-owned The cleanup thread in this repo is still product work. That point is easy to miss when a change is small. The commit I closed today, 224057d on 2026-03-19, does n...

Porting Test Drive II from SNES to PC, Part 4: Validation, cleanup, and current blockers By the second week of this repo, the technical risk had changed. The problem was no longer "we do not have enough scripts." The problem was "we have enough mo...

Porting Test Drive II from SNES to PC, Part 3: Provenance instead of screenshots Once the SDL runtime could play a real intro path, the next bottleneck was not rendering. It was evidence. If a frame looked close, that was no longer enough. The pro...

Porting Test Drive II from SNES to PC, Part 2: The first native intro slice The first two days in asmdump were about measurability. The next phase, from February 28 through March 2, was about replacing a narrow front-end slice with native code. Th...

Porting Test Drive II from SNES to PC, Part 1: Day 0 to a measurable ROM Between February 26 and March 19, 2026, the asmdump repo moved through 45 commits. It started as a raw reverse-engineering dump and ended this stretch with a C/SDL runtime, de...