NTDEC TC-112 pinout

NTDEC TC-112: 40-pin 0.6" PDIP. (Canonically iNES Mapper 193)

                .---\/---.
 (n)      M2 -> |1     40| -- VCC
 (s)  CPU D7 -> |2     39| -> PRG A16  (r)
 (s)  CPU D6 -> |3     38| -> PRG A15  (r)
 (s)  CPU D5 -> |4     37| -> PRG A14  (r)
 (s)  CPU D4 -> |5     36| -> PRG A13  (r)
 (s)  CPU D3 -> |6     35| -> PRG1 /CE (r)
 (s)  CPU D2 -> |7     34| -> PRG2 /CE (r)
 (s)  CPU D1 -> |8     33| -> CHR A16  (r)
 (s)  CPU A1 -> |9     32| -> CHR A15  (r)
 (s)  CPU A0 -> |10    31| -> CHR A14  (r)
 (n) CPU R/W -> |11    30| -> CHR A13  (r)
 (n) CPU /CE -> |12    29| -> CHR A12  (r)
 (n) CPU A14 -> |13    28| -> CHR A11  (r)
 (n) CPU A13 -> |14    27| -> CHR1 /CE (r)
 (n) PPU A13 -> |15    26| -> CHR2 /CE (r)
 (n) PPU A12 -> |16    25| <- CPU D0   (s)
 (n) PPU A11 -> |17    24| -- NC
 (s) PPU A10 -> |18    23| -- NC
  †  PPU /RD -> |19    22| <- CPU A2   (s) ???
         GND -- |20    21| -- NC
                `--------'

† On one board, connected to a seemingly-needlessly-complicated 7400 circuit. See the thread on the forum.