> > > > EDIT 2: The game selection screen also looks oddly blueish... which does seem > > > > consistent with the other posted video! > > > > > > That just looks like the guy had the blue on the RGB knobs turned up too much, or > > the > > > G and R turned down too much. You sometimes have to adjust them for every pcb and > > he > > > didn't do it correctly for this game. > > > > see smf's reply, it's a weird issue with monitors that adjust their base voltage > > according to what it is at a certain position in vblank / vblank etc. > > > > most do this, but not all. > > > > maybe if one day MAME emulates different types of monitors (which in itself could > add > > another frame of lag) we might see simulation of how each different one reacts to > the > > signal, but until then MAME just assumes 'perfect, base voltage = 0 / black' while > > many monitors will do something else entirely. > > In regard to the bluish pic I was responding to, that is clearly from a pcb recording > setup where they have the blue adjusted wrong. It's not a pic of a monitor causing an > issue or else you would see scanlines. The pcb goes to the rgb converter then the > converter goes to the PC capture card and could also be split to also go to a monitor > but that wouldn't change the look of the capture.