Sunsoft 1 pinout

Sunsoft-1: 16 pin 0.3" PDIP (canonically mapper 184)

               .---\/---.       
(n) PPU A12 -> |01    16| -- +5V
     (n) M2 -> |02    15| -> CHR A14 (r)
(s) /ROMSEL -> |03    14| -> CHR A13 (r)
(s) CPU A13 -> |04    13| -> CHR A12 (r)
(s) CPU A14 -> |05    12| <- CPU RnW (n)
 (s) CPU D5 -> |06    11| <- CPU D0 (s)
 (s) CPU D4 -> |07    10| <- CPU D1 (s)
        GND -- |08    09| <- CPU D2 (s)
               `--------'

NOTE: D6 is NOT connected. Games simply always write to the mapper with D6 set. The wiring for Fantasy Zone implies the virtual D6 is treated as though it were connected to +5V always.

Alternative wiring for Fantasy Zone:

               .---\/---.       
(n) CPU A14 -> |01    16| -- +5V
     (n) M2 -> |02    15| -> PRG A16 (r)
(s) /ROMSEL -> |03    14| -> PRG A15 (r)
(s) CPU A13 -> |04    13| -> PRG A14 (r)
(n) CPU A14 -> |05    12| <- CPU RnW (n)
        +5V -> |06    11| <- CPU D0 (s)
        +5V -> |07    10| <- CPU D1 (s)
        GND -- |08    09| <- CPU D2 (s)
               `--------'