[uae] Re: My "Arcade e-uae"
- From: Mark Lenders <kokoko3k@xxxxxxxxx>
- To: uae@xxxxxxxxxxxxx
- Date: Thu, 12 Nov 2009 11:54:41 +0100
I ended up halving the horizontal resolution because very few games on amiga
need interlacing.
On mame side, instead, mostly runs at 60hz, so i left interlace on for the
games that need it (at 60hz is less noticeable).
2009/11/12 Fabien Meghazi <agr@xxxxxxxxxxxx>
> On Thu, Nov 12, 2009 at 09:57, Mark Lenders <kokoko3k@xxxxxxxxx> wrote:
> > Hi Fabien, as far as i know, you can use an old pal crt-tv, i think
> you'll
> > find them around for a long time.
>
> Ok, I tough you were talking about a pc monitor so I was interested
> because I never heard of a crt vga monitor
> giving this resolution :)
>
> > How much time do you keep that monitor on anyway? mine is on about 5
> > hours/week, i think it will not die before me (!).
>
> This one is on my desk, I use it mainly as a dosbox. Actually I use it
> rarely (lack of time) and this is why I'm afraid. Unused old monitors
> tend to fail faster.
>
> > By the way it is an arcade monitor from "Intervideo" which syncs
> 14->16Khz
> > from 50 to 60hz
> > (a true multisync monitor), do you know hantarex? they make arcade
> monitors
> > too.
> > By the way, the card into my cabinet is a radeon 9000 with a modified
> > firmware to outout directly to 15Khz60Hz.
> > Search google for "ArcadeVGA" to find more, they sell it, but you can
> make
> > it your own ;)
> > Search google for "JammaASD" (italian) or "J-Pac Jamma".
>
> I've got a WG25K7193 in a pit fighter cab.
> http://www.amigrave.com/upload/posts/arcade_box/25k7193/DSC01075.JPG
>
> Before buying an arcadevga and a jpac I first tried the "cheap" way.
> I hacked a vga cable in order to plug ii on the jamma interface. I put
> the brightness at 100%
> because the voltage is different between vga (1 volt) and jamma (5 volts)
>
> I cheated by sending a 640x320 resolution so the traditional 4M pixels
> bandwidth was doubled to 8M and so was accepted by my old TNT2's pixel
> clock. Then, in advmame I just doubled the horizontal pixels for the
> emulation so the aspect ratio was correct on 640x320. It was working
> ok but was not perfect, so I finally bought the arcadevga and jpac
> from andy ;-)
>
> Kde on the arcade cabinet at 640x320 :
> http://www.amigrave.com/upload/posts/arcade_box/dsc01025.jpg
>
> If I had more money, I would buy a WG D9200 so I have true 15khz modes
> with 25 & 31khz too, and the 800x600 would we usable for the amiga
> emulation. I wonder how uae would look on this monitor :
> http://www.youtube.com/watch?v=724h2-pV7HA
>
> > And you are right; with opengl vsync works, but the pc into the cabinet
> is
> > not very powerfull, so i prefer to avoid X.
> > Also i don't use SDLMame, but AdvanceMenu+AdvanceMame; that way; with
> > advancemame+svgalib,i can play each arcade game at pixel perfect and
> refresh
> > perfect resolution (no scaling at all).
> > The patches i posted are useful for you too, if your TV refresh rate
> doesn't
> > perfectly match the uae one (and you want frame perfect emulation of
> > course).
>
> I'll have a look at that for sure.
>
> Anyway I'm curious about your 768x576@50hz resolution.
> If your monitor is 14->16Khz from 50 to 60hz I guess you must use
> interlaced resolution, right ?
> If true, isn't the image too flickering ?
> I remember I tried this modeline for 800x600 on my cab
>
> Modeline "800x600@49i" 14.36 800 832 880 912 590 595 598 600 interlace
> -hsync -vsync
>
> but it was horrible on my monitor.
>
> Out of curiosity, could you send me your 768x576 modeline when you have
> time ?
>
> --
> Fabien Meghazi
>
> Website: http://www.amigrave.com
> Email: agr@xxxxxxxxxxxx
> IM: amigrave@xxxxxxxxx
>
>
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