Gopher2600 -- display of VSYNC data and halting on VSYNC error
Video shows work in progress for the display of VSYNC stats and the ability to transfer to the debugger on VSYNC error.
Demonstration ROM is Snow White, which has very bad VSYNC programming
Things to notice in the video:
1. Overlay show VSYNC data scanline and scanline count
2. The bug icon indicates that the VSYNC profile has changed since it first stablised
3. The screen rolls & jitters and the VSYNC data changes
4. The debugger is activated at 13 seconds into the video
5. The timline shows a new VSYNC trace (in white). Mouse hovering shows the VSYNC information for a specific frame
6. Playmode is resumed and the game reset at 25 seconds into the video
7. Halting conditions for the television are enabled
8. This time, the debugger is activated automatically
9. The menu bar now includes a reason to indicate why the debugger was enabled