MAMEWorld Forums - EmuChat - Re: Here's an example of the rotate png scanlines...

> > Best I could manage with my phone. The image is richer, and the colors brighter,
> than
> > either D3D and png, or HLSL, because they're actual hardware scanlines produced by
> > the synthesis of the resolution with the right png file. And the image isn't being
> > 'masked'.
>
> Vertical games shouldn't have horizontal scanlines. It's not a matter of opinion
> because the beam actually scans across the long dimension of the monitor. So
> horizontal scanlines for a horizontally oriented monitor and vertical for a
> vertically oriented monitor.
>
> If you think that's wrong though, here's why. In many/most of the CRT arcade monitors
> you'll see, the the shadow mask is course and the beam is too wide to see scanlines.
> So instead of the scanlines you might see the shadow mask/aperture grille instead.
>
> So on CRTs with a vertical RGB stripe mask like trinitron:
> https://en.wikipedia.org/wiki/Trinitron
> you could see vertical stripes on a horizontal monitor (and the other way around
> too). But those stripes definitely aren't the scanlines from the electron beam
> scanning across the screen. Which again, is not a matter of opinion or debate. It's
> just the way it is.
>
> EDIT: If you like horizontal lines on your vertical games that's fine. Just call them
> a "low res approximation of an aperture grille pattern" and not "scanlines" so
> nobody's head explodes when they read it
>
> EDIT2: I'm a picture of a horizontal monitor showing vertical stripes from the
> aperture grille. And you can see that the actual scan lines aren't visible at all.

Good old Punch out. That the way the lines go. The way I remember.

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