scanline check?

[Hambo3]

Hi, All, hopefully not a strange question but i've been running my mame cab with custom ini's for each game with specific settings such as scanlines on or off, vertical or horizontal.
All my games are configured with horizontal scanlines because i thought that is how they really are but now ive added a hlsl capable graphics card and switched to using the default mame settings, games such as Galaxians, Pacman, donkey kong have vertical scanlines? Is this correct?
Im assuming these games in their original arcade form have the monitors rotated which i guess would do this. Just would like to be as faithful to the original as possible and getting the scanline effect is quite important.

cheers

[SavannahLion]

That is correct. Some games used their monitors rotated. These are relatively easy to spot given that their screen ratios wold appear "strange". The orientation can also be verified on KLOV as well.

[mgb]

Yup, vertical games use the same monitors as horizontal games but the monitor are turned on their sides.