NES 2.0 Mapper 328

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NES 2.0 mapper 328 is used for the Test Ver. 1.01 Dlya Proverki TV Pristavok test cartridge. Its UNIF board name is UNL-RT-01.

Random number generator or Protection ($CE80-$CEFF, $FE80-$FEFF, read)

Mask: Unknown

D~7654 3210
  ---------
  1111 RR1R
       ++-+- Random bits

It's not known whether the RRR bits are meant to be an actual random number or a protection that can be fooled by returning random numbers.

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