iNES Mapper 016 is used for some of the Bandai FCG boards , namely, boards with the FCG-1 ASIC that supports no EEPROM, and the LZ93D50 ASIC with no or 256 bytes of EEPROM.
INES Mapper 016 submapper table
Submapper #
Meaning
Note
0
Unspecified
Emulate both FCG-1/2 and LZ93D50 chips in their respective CPU address ranges.
1 LZ93D50 with 128 byte serial EEPROM (24C01) Deprecated, use INES Mapper 159 instead.
2 Datach Joint ROM System Deprecated, use INES Mapper 157 instead.
3 8 KiB of WRAM instead of serial EEPROM Deprecated, use INES Mapper 153 instead.
4
FCG-1/2
Responds only in the CPU $6000-$7FFF address range; IRQ counter is not latched.
5
LZ93D50 with no or 256-byte serial EEPROM (24C02)
Responds only in the CPU $8000-$FFFF address range; IRQ counter is latched.
Contents
1 Game List 2 Banks 3 Registers
3.1 Read Serial EEPROM ($6000-$7FFF read, Submapper 5 only) 3.2 CHR-ROM Bank Select ($6000-$6007 write, Submapper 4 ; $8000-$8007 write, Submapper 5 ) 3.3 PRG-ROM Bank Select ($6008 write, Submapper 4 ; $8008 write, Submapper 5 ) 3.4 Nametable Mirroring Type Select ($6009 write, Submapper 4 ; $8009 write, Submapper 5 ) 3.5 IRQ Control ($600A write, Submapper 4 ; $800A write, Submapper 5 ) 3.6 IRQ Latch/Counter ($600B-$600C write, Submapper 4 ; $800B-$800C write, Submapper 5 ) 3.7 EEPROM Control ($800D write, Submapper 5 only)
4 Similar Mappers 5 See Also
Game List
Name
Chip
EEPROM
NES 2.0 Submapper
NES 2.0 Byte 10
Akuma-kun: Makai no Wana FCG-2
-
4
$00
Crayon Shin-chan: Ora to Poi Poi LZ93D50
-
5
$00
Dragon Ball: Daimaou Fukkatsu FCG-1
-
4
$00
Dragon Ball 3: Gokuu Den FCG-2
-
4
$00
Dragon Ball Z II: Gekishin Freezer!! LZ93D50
24C02
5
$20
Dragon Ball Z III: Ressen Jinzou Ningen LZ93D50
24C02
5
$20
Dragon Ball Z Gaiden: Saiya-jin Zetsumetsu Keikaku LZ93D50
24C02
5
$20
Famicom Jump: Hero Retsuden FCG-2
-
4
$00
Meimon! Dai-3 Yakyuu-bu FCG-1
-
4
$00
Nishimura Kyoutarou Mystery: Blue Train Satsujin Jiken FCG-1
-
4
$00
Rokudenashi Blues LZ93D50
24C02
5
$20
Sakigake!! Otoko Juku: Shippu 1-gou Sei FCG-1
-
4
$00
SD Gundam Gaiden - Knight Gundam Monogatari 2: Hikari no Kishi LZ93D50
24C02
5
$20
SD Gundam Gaiden - Knight Gundam Monogatari 3: Densetsu no Kishidan LZ93D50
24C02
5
$20
Banks CPU $8000-$BFFF: 16 KiB switchable PRG ROM bank
CPU $C000-$FFFF: 16 KiB PRG ROM bank, fixed to the last bank
PPU $0000-$03FF: 1 KiB switchable CHR ROM bank
PPU $0400-$07FF: 1 KiB switchable CHR ROM bank
PPU $0800-$0BFF: 1 KiB switchable CHR ROM bank
PPU $0C00-$0FFF: 1 KiB switchable CHR ROM bank
PPU $1000-$13FF: 1 KiB switchable CHR ROM bank
PPU $1400-$17FF: 1 KiB switchable CHR ROM bank
PPU $1800-$1BFF: 1 KiB switchable CHR ROM bank
PPU $1C00-$1FFF: 1 KiB switchable CHR ROM bank Registers Read Serial EEPROM ($6000-$7FFF read, Submapper 5 only) Mask: $E000
7 bit 0
---- ----
xxxE xxxx
|||| ||||
+++|-++++- Open bus
+------ Data out from I²C EEPROM
CHR-ROM Bank Select ($6000-$6007 write, Submapper 4 ; $8000-$8007 write, Submapper 5 ) Mask: $E00F (Submapper 4 ), $800F (Submapper 5 )
7 bit 0
---- ----
CCCC CCCC
|||| ||||
++++-++++-- 1 KiB CHR-ROM bank number
$xxx0: Select 1 KiB CHR-ROM bank at PPU $0000-$03FF
$xxx1: Select 1 KiB CHR-ROM bank at PPU $0400-$07FF
$xxx2: Select 1 KiB CHR-ROM bank at PPU $0800-$0BFF
$xxx3: Select 1 KiB CHR-ROM bank at PPU $0C00-$0FFF
$xxx4: Select 1 KiB CHR-ROM bank at PPU $1000-$13FF
$xxx5: Select 1 KiB CHR-ROM bank at PPU $1400-$17FF
$xxx6: Select 1 KiB CHR-ROM bank at PPU $1800-$1BFF
$xxx7: Select 1 KiB CHR-ROM bank at PPU $1C00-$1FFF PRG-ROM Bank Select ($6008 write, Submapper 4 ; $8008 write, Submapper 5 ) Mask: $E00F (Submapper 4 ), $800F (Submapper 5 )
7 bit 0
---- ----
.... PPPP
||||
++++-- Select 16 KiB PRG-ROM bank at CPU $8000-$BFFF
Nametable Mirroring Type Select ($6009 write, Submapper 4 ; $8009 write, Submapper 5 ) Mask: $E00F (Submapper 4 ), $800F (Submapper 5 )
7 bit 0
---- ----
.... ..MM
||
++-- Select nametable mirroring type
0: Vertical
1: Horizontal
2: One-screen, page 0
3: One-screen, page 1
IRQ Control ($600A write, Submapper 4 ; $800A write, Submapper 5 ) Mask: $E00F (Submapper 4 ), $800F (Submapper 5 )
7 bit 0
---- ----
.... ...C
|
+-- IRQ counter control
0: Counting disabled
1: Counting enabled
Writing to this register acknowledges a pending IRQ.
On the LZ93D50 (Submapper 5 ), writing to this register also copies the latch to the actual counter.
If a write to this register enables counting while the counter is holding a value of zero, an IRQ is generated immediately. IRQ Latch/Counter ($600B-$600C write, Submapper 4 ; $800B-$800C write, Submapper 5 ) Mask: $E00F (Submapper 4 ), $800F (Submapper 5 )
$C $B
7 bit 0 7 bit 0
---- ---- ---- ----
CCCC CCCC CCCC CCCC
|||| |||| |||| ||||
++++-++++--++++-++++-- Counter value (little-endian)
If counting is enabled, the counter decreases on every M2 cycle. When it holds a value of zero, an IRQ is generated.
On the FCG-1/2 (Submapper 4 ), writing to these two registers directly modifies the counter itself; all such games therefore disable counting before changing the counter value.
On the LZ93D50 (Submapper 5 ), these registers instead modify a latch that will only be copied to the actual counter when register $800A is written to. EEPROM Control ($800D write, Submapper 5 only) Mask: $800F
7 bit 0
---- ----
RDC. ....
|||
||+-------- I²C SCL
|+--------- I²C SDA
+---------- Direction bit (1=Enable Read)
This register only exists on the LZ93D50 (Submapper 5), and only has an effect if a 24C02 EEPROM is present.
Please refer to generic I²C tutorials and the 24C02 datasheet on how to operate or emulate this register correctly. Similar Mappers INES Mapper 153 replaces the serial EEPROM with 8 KiB of battery-backed WRAM, and uses CHR-RAM instead of CHR-ROM.INES Mapper 157 adds a barcode reader, support for a second EEPROM, and uses CHR-RAM instead of CHR-ROM.INES Mapper 159 replaces the 256 byte with an 128 byte serial EEPROM.See Also A discrete logic clone of the FCG-2 has been found and reverse-engineered by Krzysiobal
Categories: INES Mappers , Mappers with cycle IRQs , NES 2.0 mappers with submappers