[Oct/31/99]

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Sky Smasher by NIHON SYSTEM INC. (1990)
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Location       Device      File ID       Checksum
-------------------------------------------------
U0910          27C010        ROM1          2F1B   [ sound data ]
U1016          27C512        ROM2          8C23   [ sound prog ]
U061           27C512        ROM3          FC4B   [   FIX ?    ]
U063           27C512        ROM4          7218   [   FIX ?    ]
U022           27C010        ROM5          4701   [ main prog  ]
U021           27C010        ROM6          DCEA   [ main prog  ]
U024           27C010        ROM7          7F72   [ main prog  ]
U023           27C010        ROM8          2AD5   [ main prog  ]
U064          LH53800        ROM9          6DCE   [ background ]
U078          LH53400        ROM10         832D   [  objects   ]


Notes:  PCB is made by Seibu


Brief hardware overview
-----------------------

Main processor  - 68000

Sound processor - Z80
                - YM3931 SEI0100BU    (64 pin DIP)
                - YM3812
                - M6295

GFX             - SEI0210   custom    (128 pin PQFP)
                - SEI0220BP custom    (80 pin PQFP)
                - SEI0200   custom    (100 pin PQFP)
                - SEI0160   custom    (60 pin PQFP)
                - SEI0181   custom    (80 pin PQFP)

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[MAME]

PCB is made by Seibu

Sound           - Z80
                - YM3931 SEI0100BU    (64 pin DIP)
                - YM3812
                - M6295

GFX             - SEI0210   custom    (128 pin PQFP)
                - SEI0220BP custom    (80 pin PQFP)
                - SEI0200   custom    (100 pin PQFP)
                - SEI0160   custom    (60 pin PQFP)



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