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This commit is contained in:
David Haywood 2014-08-27 15:17:39 +00:00
parent 3697f48fc6
commit 89fc8a9049
2 changed files with 11 additions and 0 deletions
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9
src/mame/drivers/segaybd.c
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@ -765,9 +765,18 @@ static ADDRESS_MAP_START( link_map, AS_PROGRAM, 8, segaybd_state )
AM_RANGE(0x4000, 0x47ff) AM_RAM AM_SHARE("linkram") AM_RANGE(0x4000, 0x47ff) AM_RAM AM_SHARE("linkram")
ADDRESS_MAP_END ADDRESS_MAP_END
READ8_MEMBER(segaybd_state::link_portc0_r)
{
return 0xf8;
}
static ADDRESS_MAP_START( link_portmap, AS_IO, 8, segaybd_state ) static ADDRESS_MAP_START( link_portmap, AS_IO, 8, segaybd_state )
ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_UNMAP_HIGH
ADDRESS_MAP_GLOBAL_MASK(0xff) ADDRESS_MAP_GLOBAL_MASK(0xff)
// AM_RANGE(0x40, 0x40) AM_READ_PORT("LinkDSW")
AM_RANGE(0xc0, 0xc0) AM_READ(link_portc0_r)
ADDRESS_MAP_END ADDRESS_MAP_END
//************************************************************************** //**************************************************************************

2
src/mame/includes/segaybd.h
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@ -124,5 +124,7 @@ public:
DECLARE_READ8_MEMBER(linkram_r); DECLARE_READ8_MEMBER(linkram_r);
DECLARE_WRITE8_MEMBER(linkram_w); DECLARE_WRITE8_MEMBER(linkram_w);
DECLARE_READ8_MEMBER(link_portc0_r);
optional_shared_ptr<UINT8> m_linkram; optional_shared_ptr<UINT8> m_linkram;
}; };