Bandai FCG pinout
Bandai FCG-1/LZ93D36 and FCG-2: 42-pin shrink PDIP (iNES Mapper 016)
.---\/---.
? ?? | 1 42 | -- +5V
M2 -> | 2 41 | ?? ?
CPU A13 -> | 3 40 | -> PRG A17
CPU A14 -> | 4 39 | -> PRG A15
CPU A3 -> | 5 38 | -> PRG A14
CPU A2 -> | 6 37 | -> PRG A16
CPU A1 -> | 7 36 | <- CPU D7
CPU A0 -> | 8 35 | <- CPU D6
/ROMSEL -> | 9 34 | <- CPU D5
CPU D0 -> | 10 33 | <- CPU D4
CPU D1 -> | 11 32 | <- CPU D3
CPU D2 -> | 12 31 | -> /IRQ
R/W -> | 13 30 | -> CIRAM A10
PPU /RD -> | 14 29 | -> CHR A17
CHR A15 <- | 15 28 | -> CHR A14
CHR A12 <- | 16 27 | -> CHR A13
PPU A10 -> | 17 26 | -> CHR A11
PPU A11 -> | 18 25 | -> CHR A16
PPU A12 -> | 19 24 | -> CHR A10
PPU A13 -> | 20 23 | -> CHR /CE
GND -- | 21 22 | <- ?
'--------'
Pin 22 is grounded on at least one FCG-1 board and floating on at least one FCG-2.