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not sure what I was thinking here (nw)

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This commit is contained in:
David Haywood 2014-03-12 20:03:40 +00:00
parent d5d9183020
commit b57f9d5974
1 changed files with 19 additions and 31 deletions
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50
src/mame/drivers/megaphx.c
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@ -675,57 +675,45 @@ static I8255A_INTERFACE( ppi8255_intf_0 )
};
WRITE_LINE_MEMBER(megaphx_state::z80ctc_ch0)
{
megaphx_state *drvstate = machine().driver_data<megaphx_state>();
int bank = drvstate->m_soundbank[0] & 7;
drvstate->membank("snddata")->set_entry(bank);
drvstate->m_audiocpu->set_input_line(INPUT_LINE_IRQ0, state ? ASSERT_LINE : CLEAR_LINE);
int bank = m_soundbank[0] & 7;
membank("snddata")->set_entry(bank);
m_audiocpu->set_input_line(INPUT_LINE_IRQ0, state ? ASSERT_LINE : CLEAR_LINE);
}
WRITE_LINE_MEMBER(megaphx_state::z80ctc_ch1)
{
megaphx_state *drvstate = machine().driver_data<megaphx_state>();
int bank = drvstate->m_soundbank[1] & 7;
drvstate->membank("snddata")->set_entry(bank);
drvstate->m_audiocpu->set_input_line(INPUT_LINE_IRQ0, state ? ASSERT_LINE : CLEAR_LINE);
int bank = m_soundbank[1] & 7;
membank("snddata")->set_entry(bank);
m_audiocpu->set_input_line(INPUT_LINE_IRQ0, state ? ASSERT_LINE : CLEAR_LINE);
}
WRITE_LINE_MEMBER(megaphx_state::z80ctc_ch2)
{
megaphx_state *drvstate = machine().driver_data<megaphx_state>();
int bank = drvstate->m_soundbank[2] & 7;
drvstate->membank("snddata")->set_entry(bank);
drvstate->m_audiocpu->set_input_line(INPUT_LINE_IRQ0, state ? ASSERT_LINE : CLEAR_LINE);
int bank = m_soundbank[2] & 7;
membank("snddata")->set_entry(bank);
m_audiocpu->set_input_line(INPUT_LINE_IRQ0, state ? ASSERT_LINE : CLEAR_LINE);
}
WRITE_LINE_MEMBER(megaphx_state::z80ctc_ch3)
{
megaphx_state *drvstate = machine().driver_data<megaphx_state>();
int bank = drvstate->m_soundbank[3] & 7;
drvstate->membank("snddata")->set_entry(bank);
drvstate->m_audiocpu->set_input_line(INPUT_LINE_IRQ0, state ? ASSERT_LINE : CLEAR_LINE);
int bank = m_soundbank[3] & 7;
membank("snddata")->set_entry(bank);
m_audiocpu->set_input_line(INPUT_LINE_IRQ0, state ? ASSERT_LINE : CLEAR_LINE);
}
static Z80CTC_INTERFACE( z80ctc_intf ) // runs in IM2 , vector set to 0x20 , values there are 0xCC, 0x02, 0xE6, 0x02, 0x09, 0x03, 0x23, 0x03 (so 02cc, 02e6, 0309, 0323, all of which are valid irq handlers)
{
DEVCB_DEVICE_LINE_MEMBER("ctc", megaphx_state, z80ctc_ch0), // for channel 0
DEVCB_DEVICE_LINE_MEMBER("ctc", megaphx_state, z80ctc_ch1), // for channel 1
DEVCB_DEVICE_LINE_MEMBER("ctc", megaphx_state, z80ctc_ch2), // for channel 2
DEVCB_DEVICE_LINE_MEMBER("ctc", megaphx_state, z80ctc_ch3), // for channel 3
DEVCB_DRIVER_LINE_MEMBER(megaphx_state, z80ctc_ch0), // for channel 0
DEVCB_DRIVER_LINE_MEMBER(megaphx_state, z80ctc_ch1), // for channel 1
DEVCB_DRIVER_LINE_MEMBER(megaphx_state, z80ctc_ch2), // for channel 2
DEVCB_DRIVER_LINE_MEMBER(megaphx_state, z80ctc_ch3), // for channel 3
};
static const z80_daisy_config daisy_chain[] =