Irem H3001 pinout

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Irem IF-H3001: 48-pin 0.6" DIP (canonically mapper 65)

               .--\/--.
        n/c -- |01  48| -> +5V
        n/c -- |02  47| -> CHR A17
    PRG A18 <- |03  46| -> CHR-A16
    PRG A17 <- |04  45| -> CHR-A15
    PRG-A16 <- |05  44| -> CHR-A14
    PRG-A15 <- |06  43| -> CHR-A13
    PRG-A14 <- |07  42| -> CHR-A12
    PRG-A13 <- |08  41| -> CHR-A11
        GND -- |09  40| -> CHR-A10
         M2 -> |10  39| -- GND
    CPU-A14 -> |11  38| -> PRG RAM /CE
    CPU-A13 -> |12  37| -> /IRQ     
    CPU-A12 -> |13  36| -> CIR-A10  
    CPU-R/W -> |14  35| -> CHR-/CE  
CPU-/ROMSEL -> |15  34| -> PRG-/CE 
     CPU-A2 -> |16  33| -> delayed M2
     CPU-A1 -> |17  32| <- PPU-A12  
     CPU-A0 -> |18  31| <- PPU-A11  
    PPU-A13 -> |19  30| <- PPU-A10  
    PPU-/RD -> |20  29| <- CPU-D7  
     CPU-D2 -> |21  28| <- CPU-D6  
     CPU-D1 -> |22  27| <- CPU-D5  
     CPU-D0 -> |23  26| <- CPU-D4  
        GND -- |24  25| <- CPU-D3  
               '------'

References: [1]