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GalileoFigaro
Joined: 30 Mar 2009
Posts: 6
Location: Spain
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Posted: Fri May 22, 2009 1:55 pm |
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| We must do a new list with the users that are interesting in this board. how people interesting you need only for you think do a new boards?
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dhau
Joined: 03 Jul 2005
Posts: 35
Location: Toronto, Canada
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Posted: Fri May 29, 2009 7:17 am |
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| viletim wrote:
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Before I produce more boards I'll have to redesign the board layout to incorporate new modifications. I'll probably have to go double sided and have them manufactured professionally.
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I wish you could spend some of your efforts on GameGear RGB (and S-Video?) output PCB :)
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viletim
Joined: 24 Sep 2006
Posts: 103
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Posted: Wed Jun 17, 2009 2:09 pm |
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I'll use professionally made double sided PCBs for the next batch. I'm redesigning the layout to take full advantage of it. Also doing some research on a less labour intensive method of soldering on the components with solder paste + stencil. If no disasters take place I should have assembled boards available again before August.
| dhau wrote:
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I wish you could spend some of your efforts on GameGear RGB (and S-Video?) output PCB :)
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Actually, I have a design for one of those already. It uses a little CPLD for the logic and a video encoder chip for composite/s-video. I have several other non-Sega related widgets I'd like to produce too. But the SMS FM boards are the number one priority at the moment.
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omp
Joined: 13 Nov 2007
Posts: 100
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Posted: Fri Jun 19, 2009 1:22 am |
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Sounds good, I will definately be grabbing another sound board from you. I am going to redo another Master System for myself and make it neater this time around.
Also a Game Gear video out board will be great, I have the parts here to make one up but just don't have the time to put it together.
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incrediblehark
Joined: 18 May 2009
Posts: 2
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Posted: Tue Jun 23, 2009 12:38 pm |
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| looking forward to the new batch of fm adapters!
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scrappysphinx
Joined: 11 Jul 2009
Posts: 1
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Posted: Sat Jul 11, 2009 9:23 pm |
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hey guys, i'm interested one of the units for sms1 but my concerns are on the soldering. I know there are only a couple of wires for sound mixing but my soldering skills are novice.
Would it be something i am likely to be able to do or would i be better looking for someone to solder it for me.
My main reason for asking is because when i tried to look at the instructions on post 1 the page doesn't seem to exist anymore.
Thanks
Mike
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viletim
Joined: 24 Sep 2006
Posts: 103
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Posted: Sun Jul 12, 2009 2:56 am |
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| scrappysphinx wrote:
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My main reason for asking is because when i tried to look at the instructions on post 1 the page doesn't seem to exist anymore.
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I forgot that I had some pages hosted there... I've put the page up at:
http://users.tpg.com.au/vile88/smsfm/smsfm.html
As well as fixed the redirecton link. This spot should last at least six months.
I'll update the page with more SMS board layouts (there are quite a few of them!) before the new FM boards are available.
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unhuman
Joined: 14 Jul 2009
Posts: 5
Location: New Zealand
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Posted: Tue Jul 14, 2009 1:45 am |
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| I will also be keen for a board when you do the next run. :)
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APBoy
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Posted: Mon Aug 24, 2009 6:46 am |
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| Would it be possible at all to install this in a Genesis/Mega Drive or Power Base Converter? I'd love to hear my SMS games in FM sound without having to drag out my Japanese SMS.
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D
Joined: 01 Apr 2005
Posts: 115
Location: Netherlands, Almere
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Posted: Mon Aug 24, 2009 12:59 pm |
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| APBoy wrote:
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Would it be possible at all to install this in a Genesis/Mega Drive or Power Base Converter? I'd love to hear my SMS games in FM sound without having to drag out my Japanese SMS.
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I bet you'd have to install it (if even possible) in the genesis
And that probably your genesis games wouldn't work anymore.
But indeed! that would be a sweet set up!
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viletim
Joined: 24 Sep 2006
Posts: 103
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Posted: Mon Aug 24, 2009 1:21 pm |
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| APBoy wrote:
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Would it be possible at all to install this in a Genesis/Mega Drive or Power Base Converter? I'd love to hear my SMS games in FM sound without having to drag out my Japanese SMS.
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Yes, in both cases. Though you would have to mount some connectors for audio pass through if you were to put it in the Power Base Converter. Two games, Time Soldiers and Wonder Boy III, require a real Master System for FM sound.
On the production front: The bare PCBs arrived from the fabricator today. Tomorrow I start stuffing boards. Expect them to be available before the month's end
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APBoy
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Posted: Mon Aug 24, 2009 6:09 pm |
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| viletim wrote:
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| APBoy wrote:
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Would it be possible at all to install this in a Genesis/Mega Drive or Power Base Converter? I'd love to hear my SMS games in FM sound without having to drag out my Japanese SMS.
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Yes, in both cases. Though you would have to mount some connectors for audio pass through if you were to put it in the Power Base Converter. Two games, Time Soldiers and Wonder Boy III, require a real Master System for FM sound.
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Awesome. How would I go about installing it in a Genesis/MD, and would this affect Genesis/MD games?
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viletim
Joined: 24 Sep 2006
Posts: 103
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Posted: Sat Aug 29, 2009 6:28 am |
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| APBoy wrote:
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Awesome. How would I go about installing it in a Genesis/MD, and would this affect Genesis/MD games?
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It should just be a matter of soldering it to the data bus using the master-mega adaptor pinouts for guidance. I believe forum member TmEE is working on doing this at the moment.
FIRST POST UPDATED
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viletim
Joined: 24 Sep 2006
Posts: 103
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| YM2413 FM for Megadrive and Game Gear |
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Posted: Sat Sep 05, 2009 9:04 am |
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I've wired up an FM board to both the Game Gear and the Megadrive and can say with certainty that it works on both systems.
Neither system will generate a !KBSEL or receive a JOYKILL. Two games require the JOYKILL signal for FM detection, Wonder Boy III and Time Soldiers. No FM sound without a software patch for those two, unfortunately. !KBSEL is easy enough to generate from other signals on the bus. I've attached a circuit diagram below.
It's actually possible to install a board into a power base converter without any connection to the console itself. There are a couple of audio inputs provided in the cartridge slot. If you want to use these make sure you test the audio quality first - my MD2 distorts the audio considerably.
If you are hooking the board up to a converter, either the Power Base Converter or the Master Gear, make sure all relevant pins are connected. Both of my converters are non-official and the silly designers have forgotten to connect the !IORQ signal. Also, in my PBC the !RESET (!RST) line was connected to Vcc which didn't help much.
For Megadrive with Power Base Converter
SMS pin: | 2 | 4 | 14 | 16 | 18 | 20 | 22 | 24 | 26 | 32 |
Mega pin:| B28 | B16 | A19 | A25 | A29 | A01 | A26 | A20 | A15 | A03 |
SMS sgnl:| !WR | !RD | D7 | D5 | D3 | GND | D2 | D0 | A1 | A7 |
SMS pin: | 38 | 46 | 15 | 17 | 19 | 23 | 25 | 27 | 31 | 33 |
Mega pin:| B07 | B02 | A22 | A28 | A18 | A23 | A17 | A13 | A05 | A02 |
SMS sgnl:|!IORQ| !RST| D6 | D4 | GND | D1 | A0 | A2 | A6 | VCC |
B01 = left audio input, B03 = right audio input
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EricSC
Joined: 31 Dec 2009
Posts: 2
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| Re: YM2413 FM for Megadrive and Game Gear |
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Posted: Thu Dec 31, 2009 7:21 pm |
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| viletim wrote:
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It's actually possible to install a board into a power base converter without any connection to the console itself. There are a couple of audio inputs provided in the cartridge slot. If you want to use these make sure you test the audio quality first - my MD2 distorts the audio considerably.
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If I put a FM chip in my Power Base Converter...
Can I shut the FM off if I don't want to use it with some games that have an optional FM soundtrack? I'd still like to have the choice.
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viletim!
Guest
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Posted: Sun Jan 03, 2010 4:08 pm |
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EricSC,
My FM boards come with a toggle switch to select between FM and PSG sound. It's not pictured but it plugs into the two pin header.
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kbsel.png
