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Author Topic: Monitor question (technical)  (Read 2825 times)

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Elkor

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Monitor question (technical)
« on: October 19, 2002, 10:32:59 am »
I have a 28" hantarex mtc9000 out of an old operation thunderbolt game.  as this was a shooter, the monitor was originally mounted horizontally and viewed with a mirror.  I plan on mounting the monitor for direct viewing but can't figure out how to correct the video signal  (it displays reversed)

I know this shouldn't be hard, can anyone help?

please?!?!???

-C
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-- only the savage fears what he does not understand.
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Thenasty

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Re:Monitor question (technical)
« Reply #1 on: October 19, 2002, 11:14:06 am »
What do you mean it displays reversed ? Do you mean the original game Operation Thunderbolt ? You trying to view it direct, or you trying to do with MAME ?
Thenasty's Arcademania Horizontal/Vertical setup.
http://forum.arcadecontrols.com/index.php?topic=26696.0

Free VGA Breakout Cable
http://forum.arcadecontrols.com/index.php?topic=38228.0

Ultimate All in One Coin Mech write up (Make your own)
http://forum.arcadecontrols.com/index.php?topic=19200.0

Elkor

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Re:Monitor question (technical)
« Reply #2 on: October 19, 2002, 11:52:14 am »
Originally, the monitor was mounted horizontally and viewed with a mirror.

Because of this, it was configured to display everything reversed (so that to the player the text would be legible).

Now, I have the monitor mounted vertically (direct-view, no mirror) and I have to figure out how to un-reverse the video signal.

Yes, I'm using mame (advmame); but this is definately a monitor hardware-thing (I have a streetfighterII board here, when plugged in that displays reversed as well)

If possible, I would like to make the monitor display correctly.

I know that advmenu has a "mirror" option, but I cannot find a similar setting for advmame, so while I can get the frontend to display properly, any games launched are 'reversed'.


once again, I would be gratefull for any help (at all!)

-C
The sudden sight of me causes panic in the streets. They have yet to learn
-- only the savage fears what he does not understand.
                -- The Silver Surfer

Elkor

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Re:Monitor question (technical)
« Reply #3 on: October 19, 2002, 01:02:41 pm »
Got it working!

one of the guys from the advancemame-users list helped me out.
thanks anyway nasty!

-C
The sudden sight of me causes panic in the streets. They have yet to learn
-- only the savage fears what he does not understand.
                -- The Silver Surfer

rampy

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Re:Monitor question (technical)
« Reply #4 on: October 19, 2002, 11:32:28 pm »
Got it working!

one of the guys from the advancemame-users list helped me out.
thanks anyway nasty!

-C

for historical purposes, and curiousity, and the odd chance some one else will have this problem in the future... what was the solution?

rampy

MameFan

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Re:Monitor question (technical)
« Reply #5 on: October 20, 2002, 12:35:01 am »
Sounds like you needed to just swap the yoke wires around.

Red+Blue,  Green+Yellow


Flip them both(red on blue, blue on red, green on yellow, yellow on green) and you essentially rotate the monitor 180 degrees.  

If you're only experiencing a "mirror" image, then you just swap one of the 2, depending on the axis it's mirrored.

Red/Blue = Horizontal (widest measurement of screen)
Green/Yellow = Vertical (shortest measurement of screen)

Elkor

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Re:Monitor question (technical)
« Reply #6 on: October 20, 2002, 01:53:46 am »
yup, just switch the pairs around as needed.    I needed to swap both pairs
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-- only the savage fears what he does not understand.
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Re:Monitor question (technical)
« Reply #7 on: October 20, 2002, 02:58:36 am »
same thing with those 19" Eygos that were on ebay (I have one).