Search found 6 matches

by Nitro
Sat May 09, 2015 5:01 am
Forum: GBDev
Topic: Fixing ROMs for EMS 64 GB Smart Card USB
Replies: 332
Views: 134174

Re: Fixing ROMs for EMS 64 GB Smart Card USB

Yes, but I did not write in those positions. So I think they can use other protection.
Spirou shows "Bad emulation" on the screen at frozen.
by Nitro
Fri May 08, 2015 6:22 am
Forum: GBDev
Topic: Fixing ROMs for EMS 64 GB Smart Card USB
Replies: 332
Views: 134174

Re: Fixing ROMs for EMS 64 GB Smart Card USB

I tried to patch two ROM and has been impossible, both belong to the same company. Perhaps used some and especial protection system ?

CGB Maus, Die (Europe) (En,Fr,De,Es) -- the game does not start
CGB Spirou - La Panique Mecanique (Europe) (En,Fr,De,Es,Ne) -- the game crashes within minutes
by Nitro
Tue Jan 20, 2015 4:34 am
Forum: GBDev
Topic: Game Boy and Game Boy Color unreleased games with roms
Replies: 1
Views: 2573

Re: Game Boy and Game Boy Color unreleased games with roms

You can start by checking this link http://www.unseen64.net/category/nin/game-boy/, it is easy to find some ROM in the usual websites.

Resident Evil
Diablo
Tyrian 2000
Tyrannosaurus Tex
by Nitro
Mon Jun 30, 2014 7:02 am
Forum: GBDev
Topic: Fixing ROMs for EMS 64 GB Smart Card USB
Replies: 332
Views: 134174

Re: Fixing ROMs for EMS 64 GB Smart Card USB

You need a write breakpoint set to a region of memory. You're looking for any writes to $6000-$7FFF basically. If any game writes to this area (there is no reason to) it will mess up the EMS cartridge. There are some other things that cause incompatibility too. Odd writes to the Program Bank regist...
by Nitro
Wed Jun 18, 2014 3:05 am
Forum: GBDev
Topic: Fixing ROMs for EMS 64 GB Smart Card USB
Replies: 332
Views: 134174

Re: Fixing ROMs for EMS 64 GB Smart Card USB

Thank you very much, MottZilla! I've tried it and it works great. I understand that the protection used is attempting to write to read-only zone. Might you explain how I do the debug ROM, and using programs. I guess you run the ROM step by step until you see an attempt to write an unsupported area, ...
by Nitro
Tue Jun 17, 2014 1:42 am
Forum: GBDev
Topic: Fixing ROMs for EMS 64 GB Smart Card USB
Replies: 332
Views: 134174

Re: Fixing ROMs for EMS 64 GB Smart Card USB

First I'd like to thank for creating MottZilla manager saves for EMS. I need help to run a game unlicensed CGB, I think it's worth because the quality of play is remarkable. The rom works perfectly on emulators for PC, but to play it on the EMS only shows a blank screen. I have checked the values ​​...