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Split Screen Cocktail view on older versions of MAME

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Shun:
Hi All,

I have been playing around with an old Pentium 3 1Ghz laptop this weekend and I have been trying to get MAME running on it. As it is an old machine I need to run older versions of MAME (around 0.56-0.6). I've got the normal classics running OK as well as newer games such as Super Street Fighter 2. I would like to see if it is possible to get this running like a cocktail cab.

My first question is how do I get the horizontal games like Super Street Fighter 2 to run rotated in split screen mode? On my cab which is running MAME 0.129, it has the "video option" in the on screen MAME menu which allows you to choose the option COCKTAIL. This sets the following in the game .cfg file:

<video>
<target index="0" view="Cocktail" />
</video>

On older versions of MAME like 0.56 there is no "video option" and therefore no COCKTAIL option to choose.
Even the .cfg files for each game are not in XML but they seem to be in some kind of unreadable mess.
Is it possible to set the VIEW of horizontal games to COCKTAIL in these earlier versions? Maybe with some kind of DIFF file when compiling?

Thenasty:
  "Is it possible to set the VIEW of horizontal games to COCKTAIL in these earlier versions?"
NO

  "Maybe with some kind of DIFF file when compiling? "
No DIFF File exist (you can make/program/change MAME and compile one (it's gonna be alot of work).

mavsprophecy:
Bummer.  Yeah seems it was a pretty recent addition to Mame.

Shun:

--- Quote from: Thenasty on June 03, 2012, 03:54:57 pm ---  "Is it possible to set the VIEW of horizontal games to COCKTAIL in these earlier versions?"
NO

  "Maybe with some kind of DIFF file when compiling? "
No DIFF File exist (you can make/program/change MAME and compile one (it's gonna be alot of work).

--- End quote ---

Aww, that sucks  :'( Thanks for letting me know  :cheers:


--- Quote from: mavsprophecy on June 03, 2012, 06:04:06 pm ---Bummer.  Yeah seems it was a pretty recent addition to Mame.

--- End quote ---

After a bit of research today it seems that the first version of MAME to include this is 0.107. I've tried playing with this version and the classic games seem to run OK without VSync but Super Street Fighter 2 is skipping 5-6 frames just to keep up. The laptop I have only has 128mb of RAM so I have ordered an additional 256mb for £5 which should hopefully give it a little speed boost.

Also I have heard that compiling MAME on the CPU that you which to run it on can optimise the code and therefore give another speed boost.  Fingers crossed!

Thenasty:
try lowering the Samplerate to 22khz instead of the default 44khz. That should help alot.

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