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Yes it works well, momentary switch to pause the game.



So I received the official power base converter today (along with a Pete Sampras tennis prototype).
Popped the hood and there's the...

486254862648627

OK so here is the progress I have made with getting phantasy star on to a megadrive/genesis cartridge.
First I build a pin converter from master system 50pin to Megadrive 64pin. This works very well...

Info on 315-5342
http://www.smspower.org/forums/14084-PowerBaseConverterInfo

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I have a few spare Master system carts with mappers.

MAPPERS I HAVE ARE
315-5235
315-5208
315-5365

Could I use SRAM from a Genesis cartridge because I have HEAPS spare

Sure thing, I will upload PAL ROM when I get home. For my next endeavour I would like to try and put an English SMS Phantasy Star ROM on a genesis cartridge, I can't figure out how to enable master...

I just settler with the European ROM. Chips are soldered in now so that's how its gonna be.
One thing I noticed is that both the PAL and NTSC ROM used the numbers instead of J,U OR E.

On another...

Instead of J or U or E all the version I looked at had 4. They wouldn't run with a European Bios. Only USA. I was in a hurry so I just split and burned it anyway. YES 100% working on a genesis but...

An observation and a question here,
It seems the music is stored on the bottom ROM. I forgot to put the top ROM in and I got music and no video haha!
I used 2 27c160 eproms because that's all I had...

Awesome! So all I need to do is split the ROM into 2mb and 1mb and use a 27c160 and 27c800?
I'm confident writing the chips with gq4x. Just not sure how or where to split the ROM

48178

Yes they are the same except my board has an extra chip in the top left

Wow thanks for the reply. I'm not home at the moment but I'm pretty sure I have one similar (2 mask ROMs, SRAM and a couple of other chips). I will take pics when I can. Its a baseball game I think
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Hello there.. Thanks for all the info, it has been very useful. Can I buy a Japanese phantasy star IV cartridge and put the English version on it ? Are the PCB the same? I understand there is 2 mask...