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: Mappers with cycle IRQs, NES 2.0 mappers with submappers, INES Mappers