NES 2.0 Mapper 256 Submapper Proposal
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Author:  NewRisingSun [ Mon Jan 22, 2018 3:48 pm ]
Post subject:  NES 2.0 Mapper 256 Submapper Proposal

Several VTxx-based plug-and-play consoles use a simple protection scheme intended to prevent interchanging the ROM data between different consoles. The protection scheme works by simply swapping the addresses of the bankswitch registers.

I have made a submapper proposal for mapper 256 to deal with this issue. Test ROM attached.

Mapper256-Test.7z [2.04 KiB]
Downloaded 96 times

Author:  NewRisingSun [ Sat Mar 10, 2018 2:17 am ]
Post subject:  Re: NES 2.0 Mapper 256 Submapper Proposal

Since no objections have been raised after almost seven weeks, I am adding the proposal to the main submapper page.

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