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r22858 Thursday 16th May, 2013 at 19:05:11 UTC by smf
replaced the io map with an empty one as the default map still refers to a sound chip that has been replaced (nw)
[src/mame/drivers]snowbros.c

trunk/src/mame/drivers/snowbros.c
r22857r22858
396396   AM_RANGE(0xf008, 0xf008) AM_READ(soundlatch_byte_r)
397397ADDRESS_MAP_END
398398
399static ADDRESS_MAP_START( hyperpac_sound_io_map, AS_IO, 8, snowbros_state )
400   ADDRESS_MAP_GLOBAL_MASK(0xff)
401ADDRESS_MAP_END
402
399403/* Same volume used for all samples at the Moment, could be right, we have no
400404   way of knowing .. */
401405READ16_MEMBER(snowbros_state::sb3_sound_r)
r22857r22858
15781582   MCFG_CPU_MODIFY("soundcpu")
15791583   MCFG_CPU_CLOCK(4000000) /* 4.0 MHz ??? */
15801584   MCFG_CPU_PROGRAM_MAP(hyperpac_sound_map)
1585   MCFG_CPU_IO_MAP(hyperpac_sound_io_map)
15811586
15821587   MCFG_GFXDECODE(hyperpac)
15831588

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