[MAME]

Godzilla
Banpresto 1993

This game runs on Seibu hardware, similar to Legionairre.

PCB Layout
|----------------------------------------------------|
|   YM2151  M6295  PCM.922   8    Z80          PAL   |
|     YM3014                                   PAL   |
|           YM3931  SEI0220  14.31818MHz  6116       |
|         (SEI0100)                                  |
|                                OBJ1.648   OBJ3.743 |
|                      SEI0211                       |
|J                               OBJ2.756   OBJ4.757 |
|A                                                   |
|M     DSW1-8                 2.025  4.026  62256    |
|M     DSW2-8                               62256    |
|A           S68E08.844 PAL   1.024  3.023  62256    |
|      6264                   PAL  PAL      62256    |
|      6264                                          |
| SEI0200                   COPX-D2.313   SEI0300    |
| TC110G21AF                              TC25SC900AF|
|                                                    |
|BK1.618             11.620  20MHz   PAL   PAL       |
|          BK3.619   10.615          PAL   68000     |
|----------------------------------------------------|

Notes:
      Z80 clock    : 3.579545MHz
      68000 clock  : 10.000MHz
      YM2151 clock : 3.579545MHz
      M6295 clock  : 1.000MHz, sample rate = clk /132
      VSync        : 61Hz
      HSync        : 15.74kHz
      S68E08.844   : 82S147 bipolar PROM
      BK & OBJ     : 8M MASK (read as 238000)
      Main PRG 1-4 : 27C010 EPROM
      ROMs 8,10,11 : 27C512 EPROM
      COPX-D2.313  : 4M MASK (read as 234200)
      PCM          : 4M MASK (read as 27C040)
      
      Custom SEIBU chips:
                         SEI0211 and SEI0220: connected to OBJ ROMs
                         SEI300             : connected to PRG ROMs and 68000
                         SEI0200            : connected to BG ROMs

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