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i/o 0x38 is actually 8910 read (nw)

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This commit is contained in:
angelosa 2017-05-12 02:27:24 +02:00
parent 9d97d2510e
commit 27e82a07f5
2 changed files with 5 additions and 2 deletions
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3
src/mame/drivers/epos.cpp
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@ -103,7 +103,7 @@ static ADDRESS_MAP_START( dealer_io_map, AS_IO, 8, epos_state )
AM_RANGE(0x10, 0x13) AM_DEVREADWRITE("ppi8255", i8255_device, read, write)
AM_RANGE(0x20, 0x24) AM_WRITE(dealer_decrypt_rom)
AM_RANGE(0x34, 0x34) AM_DEVWRITE("aysnd", ay8910_device, data_w)
AM_RANGE(0x38, 0x38) AM_READ_PORT("DSW")
AM_RANGE(0x38, 0x38) AM_DEVREAD("aysnd", ay8910_device, data_r)
AM_RANGE(0x3c, 0x3c) AM_DEVWRITE("aysnd", ay8910_device, address_w)
AM_RANGE(0x40, 0x40) AM_DEVWRITE("watchdog", watchdog_timer_device, reset_w)
ADDRESS_MAP_END
@ -500,6 +500,7 @@ static MACHINE_CONFIG_START( dealer, epos_state )
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("aysnd", AY8910, 11000000/4)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MCFG_AY8910_PORT_A_READ_CB(IOPORT("DSW"))
// port a writes?
MCFG_AY8910_PORT_B_WRITE_CB(WRITE8(epos_state, flip_screen_w))
MACHINE_CONFIG_END

4
src/mame/video/epos.cpp
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@ -62,8 +62,10 @@ WRITE8_MEMBER(epos_state::dealer_pal_w)
}
WRITE8_MEMBER(epos_state::flip_screen_w)
{
{
flip_screen_set(BIT(data, 7));
// bit 6: ay8910 port A/B multiplexer read?
}
WRITE8_MEMBER(epos_state::port_1_w)