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Fix for MT03493: spacedxo: The game reboots itself after title screen

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Since other I/O devices have similar ad hoc handlers (e.g. tc0510nio_halfword_w for driftout), I think this can be accepted as a temporary workaround
This commit is contained in:
Fabio Priuli 2009-12-28 00:58:27 +00:00
parent 35da257b08
commit 922d9fabc9
1 changed files with 14 additions and 2 deletions
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16
src/mame/drivers/taito_b.c
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@ -440,6 +440,18 @@ static READ16_HANDLER( pbobble_input_bypass_r )
}
}
static WRITE16_HANDLER( spacedxo_tc0220ioc_w )
{
const device_config *tc0220ioc = devtag_get_device(space->machine, "tc0220ioc");
if (ACCESSING_BITS_0_7)
tc0220ioc_w(tc0220ioc, offset, data & 0xff);
else
{
/* spacedxo also writes here - bug? */
tc0220ioc_w(tc0220ioc, offset, (data >> 8) & 0xff);
}
}
#define TC0180VCU_MEMRW( ADDR ) \
@ -561,16 +573,16 @@ static ADDRESS_MAP_START( spacedx_map, ADDRESS_SPACE_PROGRAM, 16 )
AM_RANGE(0x900000, 0x90ffff) AM_RAM /* Main RAM */
ADDRESS_MAP_END
static ADDRESS_MAP_START( spacedxo_map, ADDRESS_SPACE_PROGRAM, 16 )
AM_RANGE(0x000000, 0x07ffff) AM_ROM
AM_RANGE(0x100000, 0x100001) AM_READNOP AM_WRITE8(taitosound_port_w, 0xff00)
AM_RANGE(0x100002, 0x100003) AM_READWRITE8(taitosound_comm_r, taitosound_comm_w, 0xff00)
AM_RANGE(0x200000, 0x20000f) AM_DEVREADWRITE8("tc0220ioc", tc0220ioc_r, tc0220ioc_w, 0x00ff)
AM_RANGE(0x200000, 0x20000f) AM_DEVREAD8("tc0220ioc", tc0220ioc_r, 0x00ff) AM_WRITE(spacedxo_tc0220ioc_w)
AM_RANGE(0x210000, 0x210001) AM_READ_PORT("IN3")
AM_RANGE(0x220000, 0x220001) AM_READ_PORT("IN4")
AM_RANGE(0x230000, 0x230001) AM_READ_PORT("IN5")
AM_RANGE(0x300000, 0x301fff) AM_RAM_WRITE(paletteram16_RRRRGGGGBBBBRGBx_word_w) AM_BASE_GENERIC(paletteram)
AM_RANGE(0x302000, 0x303fff) AM_READONLY
AM_RANGE(0x400000, 0x40ffff) AM_RAM /* Main RAM */
TC0180VCU_MEMRW( 0x500000 )
ADDRESS_MAP_END