> > Is your device fast enough to measure horizontal sync as well? Knowing the exact > > vertical frequency of a board is nice, but even better is knowing the number of > > scanlines in a frame and the VBlank duration. > > Yes, I can measure also the horizontal Sync (uusally 15.70 KHz) probing the PIN14 of > the EL4583 Sync separator IC.If you need some measurements feel free to ask.
Can your setup determine the exact (integer) number of HSyncs per VSync? In other words, the total number of scanlines (visible + blank) in a frame.
If you have any cave.c or toaplan2.c PCBs I'd like to see measurements from them.