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Manually editing ROMS for different region

 
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atreyu187



Joined: 17 Jun 2008
Posts: 40
Location: Roscommon,MI

PostPosted: Sun Jun 29, 2008 3:27 am    Post subject: Manually editing ROMS for different region Reply with quote

Does anyone know the hexstring on a Turblgrafx 16 ROM so that I can manually hack the ROM to work on my PC DUO-RX???
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RGB_Gamer



Joined: 01 Oct 2007
Posts: 879

PostPosted: Mon Jun 30, 2008 2:47 am    Post subject: Re: Manually editing ROMS for different region Reply with quote

atreyu187 wrote:
Does anyone know the hexstring on a Turblgrafx 16 ROM so that I can manually hack the ROM to work on my PC DUO-RX???


This was already done with a disc called, "Super Hu Card".

see here:

http://www.zeograd.com/super_hucard_download.php
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kyuusaku



Joined: 26 Jul 2003
Posts: 941
Location: .ma.us

PostPosted: Mon Jun 30, 2008 7:07 am    Post subject: Reply with quote

Use uCON64. I checked uCON's source to find the string, but the memory replacing function's arguments aren't self explanatory and the function itself isn't easy to track down. You can try replacing 0x29,40,F0 with 0x29,40,80 for all instances in the first 32K, but there might be more to it..
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atreyu187



Joined: 17 Jun 2008
Posts: 40
Location: Roscommon,MI

PostPosted: Wed Jul 02, 2008 9:39 pm    Post subject: Reply with quote

Thanks I will giv ethat a go. I think I have got the region lock out done though. I ordered a PCB to bypass the region protection in the PCEngine!!
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kyuusaku



Joined: 26 Jul 2003
Posts: 941
Location: .ma.us

PostPosted: Wed Jul 02, 2008 11:12 pm    Post subject: Reply with quote

What is the PCB for? To actually play TGX Hucards you need to mirror the data bits, but to just bypass protection you'll either have to crack the games or solder one pin inside the console.
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atreyu187



Joined: 17 Jun 2008
Posts: 40
Location: Roscommon,MI

PostPosted: Fri Oct 31, 2008 3:36 pm    Post subject: Reply with quote

The PCB is for originals to play different region games my friend.
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haynor



Joined: 12 Jan 2010
Posts: 31
Location: Poland

PostPosted: Sun Aug 08, 2010 11:11 am    Post subject: Reply with quote

I tried running US games on PC Engine CoreII but even with crack function from ucon64 still games doesn't work. Any advise ?
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MottZilla



Joined: 08 Sep 2004
Posts: 765

PostPosted: Sun Aug 08, 2010 9:36 pm    Post subject: Reply with quote

PCE and TG16 have a "region" setting. No Japanese games check this setting. But lots, maybe all US games do check the region. The solution is to modify your PCE to have this region bit changed to make US games happy.

Basically there are two things with PCE region protection. The bit that software can check which only US games do. And then the physical pinout change on the cartridge connector. To play Japanese games on a US system you just need an adapter. The reverse requires you to make that modification to your system's region setting. I don't have a guide for it though but it can be done.
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