NES 2.0 Mapper 319
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NES 2.0 Mapper 319 denotes the HP-898F and KD-7/9-E circuit boards. Its UNIF board name is BMC-HP898F. Used for:
- Prima Soft 9999999-in-1
- Olympic 2000 1000000-in-1
- 4-in-1 (0207)
- 4-in-1 (0210)
- 4-in-1 (KG-443)
- 9999999-in-1 (KD-6037-B)
Banks
- CPU $8000-$BFFF: 16 KiB switchable PRG-ROM bank
- CPU $C000-$FFFF: 16 KiB switchable PRG-ROM bank
- PPU $0000-$1FFF: 8 KiB switchable CHR-ROM bank
Registers
PRG-ROM Bank and Mirroring ($6004)
Mask: $6004 D~7654 3210 --------- MDaB C... |||| +---- PRG A15 |||+------ PRG A16 ||+------- PRG A14 if D=0 |+-------- PRG A14 mode | 0: PRG A14=p (NROM-128) | 1: PRG A14=CPU A14 (NROM-256) +--------- Select nametable mirroring type 0: Horizontal 1: Vertical
CHR-ROM Bank ($6000)
Mask: $6004 D~7654 3210 --------- CCCC .... |||| |||| ++++------ Select 8 KiB CHR-ROM bank at PPU $0000-$1FFF
Solder Pad Register ($5FF0)
Mask: probably $F000 D~7654 3210 --------- .P.. .... +-------- Solder pad value