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Thread: [GUIDE] Make a Reprogrammable Genesis Cart

  1. #226
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    Hello dont know if this has been asked before? I want to make a repro of Sonic 3 & knuckles but that game uses some kind of eeprom saving? is there a sram patch? or what donors can be used?

    EDIT: sonic hackingwiz pro II Beta 5 added a feature to the Sonic & Knuckles Lock-On ROM creator that patched the Sonic & Knuckles portion with SRAM data so in-game saving worked with Sonic 3 & Knuckles. Also, a bug causing the automatic ROM cleaning features to no longer work was fixed.
    would that make it work in a standard sram cart? tried to download that software to try it but no luck in getting it running guess my computer is to new
    Last edited by _psx_; 6th-April-2017 at 17:05.

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    It's possible that the patch you mention will work for battery backed sram carts.

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    Anyone that can get that software running to apply that patch it would be much appriciated waiting to get my eproms so i can start making my repros.

    Software can be found here http://info.sonicretro.org/Sonic_HackingWiz_Pro


    EDIT: when using a 27c322 eprom for a game that is 24mbit/3mb should i fill the rest whit FF or just leave it empty?
    Last edited by _psx_; 8th-April-2017 at 13:41.

  4. #229
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    grab regsvr32 from your C:\Windows\System32 and replace the existing one in the package and set it to run as admin from the properties

    run Register The Sonic Codec DLL.bat

    Next you need comdlg32.ocx & mscomctl.ocx

    drop both in the folder of the app

    create a new bat file or edit the other one you just used

    edit in the lines
    regsvr32 comdlg32.ocx
    regsvr32 mscomctl.ocx

    then run the new bat file

    I did not do any testing so more ocx files may be needed (P.S. I think those are part of VB6 package but I don't think it is supported by newer Windows OS's)

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  6. #230
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    Quote Originally Posted by _psx_ View Post
    Anyone that can get that software running to apply that patch it would be much appriciated waiting to get my eproms so i can start making my repros.

    Software can be found here http://info.sonicretro.org/Sonic_HackingWiz_Pro


    EDIT: when using a 27c322 eprom for a game that is 24mbit/3mb should i fill the rest whit FF or just leave it empty?
    FF's are suggested but probably not required. In fact a little trivia for you: when an eprom is blank, it contains all 1's. That's because when tripping fuses to change the data, they can only be changed from 1 to 0. That being said, if you "left it blank" it would still be FFs.

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  8. #231
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    Made a test cartridge to test the eproms before soldering them the switch switches between 27c322 and Others,
    IMG_20170409_074057.jpgIMG_20170409_074106.jpg

    got the shwp running so here is the rom. will try it when i get my 27c322 eproms, S3ANDK.rar
    think i need to get that Ucon64 tips where i can get the latest version?
    Last edited by _psx_; 9th-April-2017 at 12:41.

  9. #232
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    Thats kickass ^^^ i want one http://ucon64.sourceforge.net/....

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    wooah that was alot to choose from hmm what will i download im more of a hardware guy im running win 10 64bit.
    yeah i tought i was a good idea to make one that can test the eproms before soldering them, i will make one from a bettery backed up cart to.
    killapinke if you want one i might can make one for you if i have any more switches lying around. or you can make one yourself it realy easy if you have a switch and a soldering iron and some breakable ic socket strip.

  11. #234
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    Adam Welch (dra600n) Said Just get the sram patched ROM .. will like couple of them if you can will pay nice price for them http://nintendoage.com/index.cfm?Fus...e&User=dra600n

    Adam Welch Said I just soldered a switch to my boards to switch between 27c322 and 27c160/800 for my test burns. It's so useful isn't it? Just get the sram patched rom I had to test it out on my boards for someone, so I know it works
    Last edited by deadlegion; 19th-April-2017 at 21:53. Reason: merged posts

  12. #235
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    okay now i lost you cant really understand what you mean? but it might be because my english is not so good

  13. #236
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    Get SRAM patched ROM I believe this is the right download. You can even customize it as well http://www.s3complete.org/

  14. #237
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    okay will try that rom to damn in ióut of eproms hate to wait for my new ones.....

  15. #238
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    Quote Originally Posted by _psx_ View Post
    okay will try that rom to damn in ióut of eproms hate to wait for my new ones.....
    Just erase eprom an re-use it lol

  16. #239
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    Dont have any of that size

    These damn errors damn! What eeproms are suitible?

    Edit again : the eproms burn whit out any trubbel dont give me any errors at least, but when it going to verify it fails at random places any ideas? I have tried to play the games that dont verify and they seem to play fine. Eproms are 27c800.
    Last edited by _psx_; 21st-April-2017 at 13:34. Reason: merged posts

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