Re: Dr PC Jr. compatibility

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This message was posted by Chris, posted on August 29, 2001 at 14:15:47 coming from 216.66.137
This message is a reply to Re: Dr PC Jr. compatibility posted from Rob posted at August 28, 2001 at 18:20:32
> > > Can you play NES ROMs through disk drive? (after you convert of course)

> > Yes, of course.

> > > Supposedly most games are compatible, so I'd like to know which games are not. (Like titles, not map # please).

> > Well, there are lots of games that are not compatible. Find yourself a list of all NES games released, with their mapper numbers. Then delete (or isolate) all games that aren't mapper 0,1,2,3,4,5,66.

> > For example, MMC3 games such as Earthbound Zero, Sweet Home, etc... WILL work on the system. Games with rarer mappers such as Wizards & Warriors, Dynamite Batman, and Akumajo Densetsu (in addition to Castlevania III) will NOT work with the PCJr.

> What mapper is Super Mario Brothers and Super C? I've never gotten these two games to work correctly on the PCjr. What are the headers suppose to look like for these two games?

Super Mario Bros. is NROM (mapper 0). QND doesn't convert mapper 0, 1, 2, and 3 games properly sometimes. To get mapper 0 or 3 games to work (if they don't work), open up the converted PCJr ROM in a hex editor and change byte location $13 (HEX) to "00". If that doesn't work, then post to the board again.

Super C is an MMC3 (mapper 4) game. It should work just fine on the PCJr, so I don't know what to suggest for that. Try to find a good dump of the ROM, or get the Japanese ROM and try that in the PCJr.

Remember, that I have a messageboard for questions just like this at http://nesdev.parodius.com/cgi-bin/wwwthreads/wwwthreads.pl?action=list&Board=pcjr


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