INES Mapper 164

These notes are not very good. There is more information to be got. Check some emulator sources and please elaborate here.

 Here are Disch's original notes:  
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 =  Mapper 164          =
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 Example Game:
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 Final Fantasy V
 
 
 
 Registers:
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 Range,Mask:   $5000-FFFF, $F300
 
    $5000, $D000:  PRG reg (32k @ $8000)
 
 $6000-7FFF may have SRAM (not sure)
 
 
 On Reset
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 Reg seems to contain $FF on powerup/reset
 
 
 Notes:
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 Swapping is really simple -- the thing that is funky is the register range/mask.  $5000 and $D000 will access
 the register, however $5100, $5200, etc will not.