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PostPosted: Wed Nov 15, 2017 4:08 pm 
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Cleaner ability to incorporate these games into a multicart, because the game can get access to the full combination of banking supported by the CPLD (PRG ROM banking AND mirroring control AND CHR-RAM banking) without touching the "supervisor" register.


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PostPosted: Wed Nov 15, 2017 4:12 pm 
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Sumez wrote:
What do these mappers allow that the other supported configurations don't?


As lidnariq said, primarily a means to bank CHR-RAM, but also provide available features such as software selectable mirroring which most discrete mappers don't provide. By the looks of things there will be plenty of logic to spare if we continue to exceed 4mbit, so perhaps things would be simplified by permitting MMC3 or the likes. Probably best for us to separate the discussion of a new mapper for future compos to a different thread, as it detracts from this thread's discussion of the current 2017 compo to which we don't want to change the rules.

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If you're gonna play the Game Boy, you gotta learn to play it right. -Kenny Rogers


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PostPosted: Wed Nov 15, 2017 7:26 pm 
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Continue new mapper discussion here.

For purposes of this compo, suffice it to say that if a mapper 28 program never writes to $81 save once at program startup, it should be patchable to work.


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