[uae] Re: My "Arcade e-uae"
- From: bittin <plattanemobarnet@xxxxxxxxx>
- To: uae@xxxxxxxxxxxxx
- Date: Sun, 22 Nov 2009 13:59:14 +0100
thx =)
On Thu, Nov 12, 2009 at 11:54 AM, Mark Lenders <kokoko3k@xxxxxxxxx> wrote:
> 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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