"Ski Hunt" and V-hold, what's wrong with that game

[highinfidelity]

Following the suggestion of a fellow here who enjoys "Ski Hunt" a lot, I gave it a try. Well, at first time I thought there was something wrong with the emulation, so I loaded it with a supercharger but things went exactly the same.

 

Expecially in later stages, the screen flips and rolls unpredictably every now and then. It's so disturbing that very soon the game gets unplayable. It seems as if the game doesn't have a fixed vertical frequency, but switches from one to another continuously so the screen is always trying to follow and hold it. May it be? Freak game indeed. Or is that a bad ROM dump, perhaps???

[jetset]

Same happens to me also! In emulation and via the supercharger. I was gonna have Al put the game on a cart for me, but the roll is just too annoying.

[Spirantho]

Same happens to me also!  In emulation and via the supercharger.   I was gonna have Al put the game on a cart for me,  but the roll is just too annoying.

 

I think Ski Hunt is PAL... you're quite likely to get roll on an NTSC TV.

[highinfidelity]

No that's whole another problem. By the way: don't know about Jet, but I was using the PAL ROM loaded on a marked PAL supercharger plugged on a PAL sixer hooked to a PAL TV set.

 

And the problem rises on Stella as well. That ROM truly has a freak vertical sync signal.

[Pixellated Ghost]

I got a 128 in 1 with that game on it, and while the cartridge is pal, the game doesn't roll. However, I tried it on an emulator, the cuttle cart, and in the past, the supercharger, and in all 3 of these cases, it would roll.