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nichild.cpp: Fix VDP interrupt by filtering it through internal CTC (nw)

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This commit is contained in:
AJR 2019-04-14 13:03:04 -04:00
parent 94b8828156
commit ade7b6d3bb
1 changed files with 3 additions and 13 deletions
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16
src/mame/drivers/nichild.cpp
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@ -60,7 +60,6 @@ private:
DECLARE_WRITE8_MEMBER(portc_w);
DECLARE_WRITE8_MEMBER(portd_w);
DECLARE_WRITE8_MEMBER(gfxbank_w);
INTERRUPT_GEN_MEMBER(vdp_irq);
void nichild_io(address_map &map);
void nichild_map(address_map &map);
@ -215,29 +214,20 @@ void nichild_state::machine_reset()
{
}
#if 0
static const z80_daisy_config daisy_chain_main[] =
{
TMPZ84C011_DAISY_INTERNAL,
{ nullptr }
};
#endif
INTERRUPT_GEN_MEMBER(nichild_state::vdp_irq)
{
m_maincpu->set_input_line_and_vector(0, HOLD_LINE, 0x76); // TMPZ84C011
}
void nichild_state::nichild(machine_config &config)
{
/* basic machine hardware */
TMPZ84C011(config, m_maincpu, MAIN_CLOCK/4);
//m_maincpu->set_daisy_config(daisy_chain_main);
m_maincpu->set_daisy_config(daisy_chain_main);
m_maincpu->set_addrmap(AS_PROGRAM, &nichild_state::nichild_map);
m_maincpu->set_addrmap(AS_IO, &nichild_state::nichild_io);
m_maincpu->set_vblank_int("screen", FUNC(nichild_state::vdp_irq));
m_maincpu->in_pb_callback().set(FUNC(nichild_state::mux_r));
m_maincpu->out_pa_callback().set(FUNC(nichild_state::porta_w));
m_maincpu->out_pb_callback().set(FUNC(nichild_state::portb_w));
@ -249,8 +239,8 @@ void nichild_state::nichild(machine_config &config)
V9938(config, m_v9938, MAIN_CLOCK);
m_v9938->set_screen_ntsc("screen");
m_v9938->set_vram_size(0x40000);
// m_v9938->int_cb().set_inputline("maincpu", 0);
// m_v9938->int_cb().set(FUNC(nichild_state::vdp_irq));
m_v9938->int_cb().set(m_maincpu, FUNC(tmpz84c011_device::trg3)).invert();
SCREEN(config, "screen", SCREEN_TYPE_RASTER);
/* sound hardware */