Re: Hey Tommmy, how about adding the ability to back up carts, adding game genie to games, and more mappers (like mapper 7) to work on Dr PC Jr?

Are they real FDS to NES conversions? I know how FDS games work, but I didn't try to hack one yet. SMB2J has a piraste NES version I know.

As for mapper 7 (Rare games), its pretty tough because they are very timing sensitive. To change the mapper writes done in one opcode in mapper 7, you need at least 2 using DR PC's New Mapper mode, which of course throws off the timing.

To back up games you could d/l and disassemble the DRPC Bios and see if its built in. :)

As for GG codes you actually can apply them beforehand to the rom itself. Loading a Game Genie as a trainer into $6000~$7FFF won't work because the NES itself can't change ROM addresses. I don't know if the Dr PC has that feature built in.

Anyway do you know 6502 assembler and understand NES hardware? Its a big plus when it comes to modifying roms.

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Message	> > Mapper hacking would be a deffinite plus........also the ability to copy cartridges, and maybe a way to play games with game genie enabled (perhaps there is a way to pad roms with gamegenie codes?) > Are they real FDS to NES conversions? I know how FDS games work, but I didn't try to hack one yet. SMB2J has a piraste NES version I know. > As for mapper 7 (Rare games), its pretty tough because they are very timing sensitive. To change the mapper writes done in one opcode in mapper 7, you need at least 2 using DR PC's New Mapper mode, which of course throws off the timing. > To back up games you could d/l and disassemble the DRPC Bios and see if its built in. :) > As for GG codes you actually can apply them beforehand to the rom itself. Loading a Game Genie as a trainer into $6000~$7FFF won't work because the NES itself can't change ROM addresses. I don't know if the Dr PC has that feature built in. > Anyway do you know 6502 assembler and understand NES hardware? Its a big plus when it comes to modifying roms.
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