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Newbie TV walkthrough, please!

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adder:

hi rcadegaming, thought i would post here to ask u something;

i was previously satisfied with running all mame games in 640x480 interlace, but tonight i have been experimenting with the good old real low res modes with my crt tv. i have been messing around with several programs, namely soft15khz, winmodelines, powerstrip, and crt_emudriver (oh and quickres :)

the early experiments went well, and i got quite a few of the pre-defined resolutions to work (which were added to my windows xp setup by installing crt_emudriver), however there are also quite a lot which dont work on my tv

i remember you saying you have spent a lot of time setting up modelines to work on a standard tv. so my question: would you be willing to share your modelines which you created to work on a tv? if so, please simply post them here, or pm me. cheers!

note: absolutely no problem at all if you dont want to share them, i figured there was no harm in asking!

rCadeGaming:

I might get some time to play with my setup around the new year.  What resolutions do you need help with in particular?

rCadeGaming:

Have you read this whole thread?  Please make sure to first, as you'll find some tips about tweaking in Powerstrip, what you should be looking for, and things like running a game centered in a slightly larger resolution and adjusting the black border into the overscan.

adder:

ok i will read through the thread again, i think my problem is not really understanding how a modeline works and how it is put together, and also why a regular crt tv accepts certain modelines and cant cope with others (ie. i dont know what the correct ranges are for a crt tv)

i have been reading around slowly though. i still feel i am a long way off understanding it all though (hence me trying to take a shortcut and nabbing your ready made modelines instead :lol)

currently im trying to figure out a good way to display a game like 'Image Fight' (a vertical game, 256x384) on a tv mounted horizontally in the cab. so i need a modeline which has about 390 lines on the vertical. im happy to use interlace mode, but i cant figure out if its even possible to make an interlace modeline with around 390 vertical lines? in fact the closet working interlace modeline i can get is 640x480 which isnt even close :dunno

rCadeGaming:


--- Quote from: jadder on December 28, 2012, 07:42:36 pm ---ok i will read through the thread again, i think my problem is not really understanding how a modeline works and how it is put together, and also why a regular crt tv accepts certain modelines and cant cope with others (ie. i dont know what the correct ranges are for a crt tv)
--- End quote ---

Some of the presets installed with Soft15kHz happen to work with TV's, and some others need to be tweaked to get working.  It's in there. 


--- Quote from: jadder on December 28, 2012, 07:42:36 pm ---i have been reading around slowly though. i still feel i am a long way off understanding it all though (hence me trying to take a shortcut and nabbing your ready made modelines instead :lol)
--- End quote ---

The modelines I make are tweaked to my exact TV and transcoder.  What works best with your setup may be different.  If you'd like some of mine as a starting point, let me know which you're having trouble with.


--- Quote from: jadder on December 28, 2012, 07:42:36 pm ---cant figure out if its even possible to make an interlace modeline with around 390 vertical lines?
--- End quote ---

Well 390 lines isn't possible in progessive 15kHz, it's too many.  Sounds like you read that section if you're suggesting interlaced.  390 is a lot lower than the standard 480i, but MAYBE it's possible.  You might be able to get close and work with geometry from there.  I'll look into this.

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