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Hi! I have been trying to make some rom dumps with my universal programmer.. I can read all ok I select for read as an 27C020 the game Air rescue that makes me a dump with 256KB till now all ok! But I can't play the game on meka or in any other emulator :( What I'am doing worng? I will attach the readed dump for some one give a help :)

air-rescue.rar (22.28 KB)

hakko wrote

Hi! I have been trying to make some rom dumps with my universal programmer.. I can read all ok I select for read as an 27C020 the game Air rescue that makes me a dump with 256KB till now all ok! But I can't play the game on meka or in any other emulator :( What I'am doing worng? I will attach the readed dump for some one give a help :)

Most SMS cartridges use special ROMs that have built-in ROM banking hardware. They can't be read as regular EPROMs. Sorry to say, there isn't any universal programmer that can read these ROMs, you have to make something custom for them, like these:

http://www.smspower.org/smsreader/

http://cgfm2.emuviews.com/elec/smsread.php

You can only read ROMs from cartridges that have mapper chips. But these are hard to find and identify. Many games were released in both formats.

Are you sure that it can not be made? Coz how people write the readed rom into eprom's and it woks :) I think it's only need a conversion of the dumped file... Coz I don't think hw to read cartiges is really special like you said.. Universal readers are much more specialized that the hw build of these readers... For exemple here I have one game with 32k dump readed it seems to work but only apears blue screen when emulated.. I think it's only a rebuild of the dump by a sw like crc etc..

hakko wrote

Are you sure that it can not be made? Coz how people write the readed rom into eprom's and it woks :) I think it's only need a conversion of the dumped file... Coz I don't think hw to read cartiges is really special like you said.. Universal readers are much more specialized that the hw build of these readers... For exemple here I have one game with 32k dump readed it seems to work but only apears blue screen when emulated.. I think it's only a rebuild of the dump by a sw like crc etc..

Not sure what to say, the dump from your programmer is missing a lot of data that couldn't be recovered or ignored with a CRC change.

If you want to dump the ROMs, compare the pinouts in this file to the 27C010 or other devices your programmer supports:

http://cgfm2.emuviews.com/txt/smsmap.txt

http://www.datasheetcatalog.com/datasheets_pdf/2/7/C/0/27C010.shtml

The chips have a significant number of differences IMO.

Author	Message
hakko Joined: 28 Aug 2009 Posts: 2	Rom dump Troubles Posted: Fri Aug 28, 2009 7:52 pm
hakko Joined: 28 Aug 2009 Posts: 2	Hi! I have been trying to make some rom dumps with my universal programmer.. I can read all ok I select for read as an 27C020 the game Air rescue that makes me a dump with 256KB till now all ok! But I can't play the game on meka or in any other emulator :( What I'am doing worng? I will attach the readed dump for some one give a help :) air-rescue.rar (22.28 KB)

Charles MacDonald Joined: 28 Sep 1999 Posts: 1197	Posted: Sat Aug 29, 2009 3:53 am
Charles MacDonald Joined: 28 Sep 1999 Posts: 1197	hakko wrote Hi! I have been trying to make some rom dumps with my universal programmer.. I can read all ok I select for read as an 27C020 the game Air rescue that makes me a dump with 256KB till now all ok! But I can't play the game on meka or in any other emulator :( What I'am doing worng? I will attach the readed dump for some one give a help :) Most SMS cartridges use special ROMs that have built-in ROM banking hardware. They can't be read as regular EPROMs. Sorry to say, there isn't any universal programmer that can read these ROMs, you have to make something custom for them, like these: http://www.smspower.org/smsreader/ http://cgfm2.emuviews.com/elec/smsread.php You can only read ROMs from cartridges that have mapper chips. But these are hard to find and identify. Many games were released in both formats.

hakko Joined: 28 Aug 2009 Posts: 2	Posted: Sun Aug 30, 2009 3:29 pm
hakko Joined: 28 Aug 2009 Posts: 2	Are you sure that it can not be made? Coz how people write the readed rom into eprom's and it woks :) I think it's only need a conversion of the dumped file... Coz I don't think hw to read cartiges is really special like you said.. Universal readers are much more specialized that the hw build of these readers... For exemple here I have one game with 32k dump readed it seems to work but only apears blue screen when emulated.. I think it's only a rebuild of the dump by a sw like crc etc..

Charles MacDonald Joined: 28 Sep 1999 Posts: 1197	Posted: Sun Aug 30, 2009 4:19 pm
Charles MacDonald Joined: 28 Sep 1999 Posts: 1197	hakko wrote Are you sure that it can not be made? Coz how people write the readed rom into eprom's and it woks :) I think it's only need a conversion of the dumped file... Coz I don't think hw to read cartiges is really special like you said.. Universal readers are much more specialized that the hw build of these readers... For exemple here I have one game with 32k dump readed it seems to work but only apears blue screen when emulated.. I think it's only a rebuild of the dump by a sw like crc etc.. Not sure what to say, the dump from your programmer is missing a lot of data that couldn't be recovered or ignored with a CRC change. If you want to dump the ROMs, compare the pinouts in this file to the 27C010 or other devices your programmer supports: http://cgfm2.emuviews.com/txt/smsmap.txt http://www.datasheetcatalog.com/datasheets_pdf/2/7/C/0/27C010.shtml The chips have a significant number of differences IMO.

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