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static ADDRESS_MAP_START( sexyboom_io_map, ADDRESS_SPACE_IO, 8 )
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ADDRESS_MAP_GLOBAL_MASK(0xff)
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AM_RANGE( 0x7c, 0x7d) AM_DEVWRITE( "ym", ym2413_w )
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AM_RANGE( 0xa0, 0xa0) AM_READ_PORT("P1")
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AM_RANGE( 0xa1, 0xa1) AM_READ_PORT("P2")
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AM_RANGE( 0xf7, 0xf7) AM_READ_PORT("DSW")
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AM_RANGE( 0xf0, 0xf0) AM_READ( v9938_0_vram_r )
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AM_RANGE( 0xf1, 0xf1) AM_READ( v9938_0_status_r )
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ADDRESS_MAP_GLOBAL_MASK(0xff)
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AM_RANGE( 0x7c, 0x7d) AM_DEVWRITE( "ym", ym2413_w )
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AM_RANGE( 0xf0, 0xf0) AM_WRITE( v9938_0_vram_w )
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AM_RANGE( 0xf1, 0xf1) AM_WRITE( v9938_0_command_w )
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AM_RANGE( 0xf0, 0xf0) AM_READWRITE( v9938_0_vram_r,v9938_0_vram_w )
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AM_RANGE( 0xf1, 0xf1) AM_READWRITE( v9938_0_status_r,v9938_0_command_w )
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AM_RANGE( 0xf2, 0xf2) AM_WRITE( v9938_0_palette_w )
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AM_RANGE( 0xf3, 0xf3) AM_WRITE( v9938_0_register_w )
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AM_RANGE( 0xf7, 0xf7) AM_READ_PORT("DSW")