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Screen Flipping Question
Posted: Sun May 12, 2019 8:44 pm
by Cjoli
Hi, i wanted to do a little experiment with one of my Arpicades, i have a empty Space Invaders Deluxe cabinet without a monitor, i was thinking i trying a 19" LCD in it with a few games that i could use with the 2 buttons for moment and a single fire, obviously Space Invader and a few others, maybe Galaga and Galaxian. Anyway is there a way to flip the display in the settings or config to display everything backwards so its correct in the mirror? With a CRT i know this is not a problem but i have not way of flipping the display on the LCD itself.
Re: Screen Flipping Question
Posted: Mon May 13, 2019 1:18 pm
by dee2eR
I'm not sure. It may be possible but I don't know offhand.
If it's not possible on a system wide level I suspect it would be possible in some versions of MAME and maybe Retroarch. For example MAME 172 has flip_x and flip_y settings in it's ini file (/home/pi/mame172/mame.ini).
Sorry I don't really have more info on this one. I'll try and look into an easy way to do the whole system at once.
Re: Screen Flipping Question
Posted: Mon May 13, 2019 2:17 pm
by Cjoli
thanks dee2eR, no problem, i will probably just put a crt in it.
Re: Screen Flipping Question
Posted: Thu Jul 18, 2019 10:19 am
by dee2eR
I think this may actually be possible on a system level. Haven't tried anything but just came across these settings for config.txt:
display_hdmi_rotate 0x10000 (for horizontal flip)
display_hdmi_rotate 0x20000 (for vertical flip)
Re: Screen Flipping Question
Posted: Thu Jul 18, 2019 12:35 pm
by Cjoli
Thanks dee2eR, thats interesting, I will have to try it.