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Mr. DoAdministrator
MAME Art Editor
Reged: 09/21/03
Posts: 4875
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Cosmic Guerilla - B&W Mode?
#387941 - 09/20/20 10:13 AM
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Text from MAME driver:


Quote:

cosmicg - board can operate in b&w mode if there is no PROM, in this case
a colour overlay should be used.




Is there a way to enable this in MAME, though?



RELAX and just have fun. Remember, it's all about the games.




gregf
Ramtek's Trivia promoter
Reged: 09/21/03
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Re: Cosmic Guerilla - B&W Mode? new [Re: Mr. Do]
#387942 - 09/20/20 11:09 AM
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--
cosmicg - board can operate in b&w mode if there is no PROM, in this case
a colour overlay should be used.
-


>Is there a way to enable this in MAME, though?

Not exact thing, but maybe start with Astro Fighter as an example?

Astro Fighter https://github.com/mamedev/mame/blob/master/src/mame/drivers/astrof.cpp


The one game that I recall that could be black/white or color was Head On.

https://github.com/mamedev/mame/blob/master/src/mame/drivers/vicdual.cpp



Mr. DoAdministrator
MAME Art Editor
Reged: 09/21/03
Posts: 4875
Loc: California
Send PM


Re: Cosmic Guerilla - B&W Mode? new [Re: gregf]
#387943 - 09/20/20 11:24 AM
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> --
> cosmicg - board can operate in b&w mode if there is no PROM, in this case
> a colour overlay should be used.
> -
>
>
> > Is there a way to enable this in MAME, though?
>
> Not exact thing, but maybe start with Astro Fighter as an example?
>
> Astro Fighter
> https://github.com/mamedev/mame/blob/master/src/mame/drivers/astrof.cpp
>
>
> The one game that I recall that could be black/white or color was Head On.
>
> https://github.com/mamedev/mame/blob/master/src/mame/drivers/vicdual.cpp


And that's the kind of thing I was looking for... those two games have a "MACHINE CONFIGURATION" menu to change those settings... cosmicg does not.



RELAX and just have fun. Remember, it's all about the games.



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