C++ required_device::comp_output_cb方法代码示例

void trs80dt1_state::trs80dt1(machine_config &config)
{
	/* basic machine hardware */
	I8051(config, m_maincpu, 7372800);
	m_maincpu->set_addrmap(AS_PROGRAM, &trs80dt1_state::prg_map);
	m_maincpu->set_addrmap(AS_IO, &trs80dt1_state::io_map);
	m_maincpu->port_out_cb<1>().set(FUNC(trs80dt1_state::port1_w));
	m_maincpu->port_out_cb<3>().set(FUNC(trs80dt1_state::port3_w));

	/* video hardware */
	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
	screen.set_screen_update("crtc", FUNC(i8276_device::screen_update));
	screen.set_refresh_hz(60);
	screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
	screen.set_size(40*12, 16*16);
	screen.set_visarea(0, 40*12-1, 0, 16*16-1);

	GFXDECODE(config, "gfxdecode", m_palette, gfx_trs80dt1);

	I8276(config, m_crtc, 12480000 / 8);
	m_crtc->set_character_width(8);
	m_crtc->set_display_callback(FUNC(trs80dt1_state::crtc_update_row), this);
	m_crtc->drq_wr_callback().set_inputline(m_maincpu, MCS51_INT0_LINE); // BRDY pin goes through inverter to /INT0, so we don't invert
	m_crtc->irq_wr_callback().set(m_7474, FUNC(ttl7474_device::clear_w)); // INT pin
	m_crtc->irq_wr_callback().append(m_7474, FUNC(ttl7474_device::d_w));
	m_crtc->vrtc_wr_callback().set(m_7474, FUNC(ttl7474_device::clock_w));
	m_crtc->set_screen("screen");

	PALETTE(config, "palette").set_entries(3);

	X2210(config, "nvram");

	TTL7474(config, m_7474, 0);
	m_7474->comp_output_cb().set_inputline(m_maincpu, MCS51_INT1_LINE).invert(); // /Q connects directly to /INT1, so we need to invert?

	/* sound hardware */
	SPEAKER(config, "mono").front_center();
	BEEP(config, m_beep, 2000);
	m_beep->add_route(ALL_OUTPUTS, "mono", 0.50);
}

void spinb_state::spinb(machine_config &config)
{
	/* basic machine hardware */
	Z80(config, m_maincpu, XTAL(5'000'000) / 2);
	m_maincpu->set_addrmap(AS_PROGRAM, &spinb_state::spinb_map);
	m_maincpu->set_periodic_int(FUNC(spinb_state::irq0_line_hold), attotime::from_hz(160)); // NE556 adjustable (if faster, then jolypark has a stack problem)

	Z80(config, m_audiocpu, XTAL(5'000'000) / 2);
	m_audiocpu->set_addrmap(AS_PROGRAM, &spinb_state::spinb_audio_map);

	Z80(config, m_musiccpu, XTAL(5'000'000) / 2);
	m_musiccpu->set_addrmap(AS_PROGRAM, &spinb_state::spinb_music_map);

	I8031(config, m_dmdcpu, XTAL(16'000'000));
	m_dmdcpu->set_addrmap(AS_PROGRAM, &spinb_state::dmd_mem);
	m_dmdcpu->set_addrmap(AS_IO, &spinb_state::dmd_io);
	m_dmdcpu->port_out_cb<1>().set(FUNC(spinb_state::p1_w));
	m_dmdcpu->port_in_cb<3>().set(FUNC(spinb_state::p3_r));
	m_dmdcpu->port_out_cb<3>().set(FUNC(spinb_state::p3_w));

	NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_1);

	/* Video */
	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD));
	screen.set_refresh_hz(60);
	screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500));
	screen.set_screen_update(FUNC(spinb_state::screen_update));
	screen.set_size(128, 32);
	screen.set_visarea(0, 127, 0, 31);
	screen.set_palette("palette");

	PALETTE(config, "palette", FUNC(spinb_state::spinb_palette), 3);

	/* Sound */
	genpin_audio(config);

	SPEAKER(config, "msmavol").front_center();
	MSM5205(config, m_msm_a, XTAL(384'000));
	m_msm_a->vck_callback().set("ic5a", FUNC(ttl7474_device::clock_w));
	m_msm_a->set_prescaler_selector(msm5205_device::S48_4B); /* 4KHz 4-bit */
	m_msm_a->add_route(ALL_OUTPUTS, "msmavol", 1.0);

	SPEAKER(config, "msmmvol").front_center();
	MSM5205(config, m_msm_m, XTAL(384'000));
	m_msm_m->vck_callback().set("ic5m", FUNC(ttl7474_device::clock_w));
	m_msm_m->set_prescaler_selector(msm5205_device::S48_4B); /* 4KHz 4-bit */
	m_msm_m->add_route(ALL_OUTPUTS, "msmmvol", 1.0);

	/* Devices */
	i8255_device &ppi60(I8255A(config, "ppi60"));
	//ppi60.in_pa_callback().set(FUNC(spinb_state::ppi60a_r));
	ppi60.out_pa_callback().set(FUNC(spinb_state::ppi60a_w));
	//ppi60.in_pb_callback().set(FUNC(spinb_state::ppi60b_r));
	ppi60.out_pb_callback().set(FUNC(spinb_state::ppi60b_w));
	ppi60.in_pc_callback().set(FUNC(spinb_state::sw_r));
	//ppi60.out_pc_callback().set(FUNC(spinb_state::ppi60c_w));

	i8255_device &ppi64(I8255A(config, "ppi64"));
	//ppi64.in_pa_callback().set(FUNC(spinb_state::ppi64a_r));
	//ppi64.out_pa_callback().set(FUNC(spinb_state::ppi64a_w));
	//ppi64.in_pb_callback().set(FUNC(spinb_state::ppi64b_r));
	//ppi64.out_pb_callback().set(FUNC(spinb_state::ppi64b_w));
	//ppi64.in_pc_callback().set(FUNC(spinb_state::ppi64c_r));
	ppi64.out_pc_callback().set(FUNC(spinb_state::ppi64c_w));

	I8255A(config, "ppi68");
	//ppi68.in_pa_callback().set(FUNC(spinb_state::ppi68a_r));
	//ppi68.out_pa_callback().set(FUNC(spinb_state::ppi68a_w));
	//ppi68.in_pb_callback().set(FUNC(spinb_state::ppi68b_r));
	//ppi68.out_pb_callback().set(FUNC(spinb_state::ppi68b_w));
	//ppi68.in_pc_callback().set(FUNC(spinb_state::ppi68c_r));
	//ppi68.out_pc_callback().set(FUNC(spinb_state::ppi68c_w));

	I8255A(config, "ppi6c");
	//ppi6c.in_pa_callback().set(FUNC(spinb_state::ppi6ca_r));
	//ppi6c.out_pa_callback().set(FUNC(spinb_state::ppi6ca_w));
	//ppi6c.in_pb_callback().set(FUNC(spinb_state::ppi6cb_r));
	//ppi6c.out_pb_callback().set(FUNC(spinb_state::ppi6cb_w));
	//ppi6c.in_pc_callback().set(FUNC(spinb_state::ppi6cc_r));
	//ppi6c.out_pc_callback().set(FUNC(spinb_state::ppi6cc_w));

	i8255_device &ppia(I8255A(config, "ppia"));
	ppia.out_pa_callback().set(FUNC(spinb_state::ppia_a_w));
	ppia.out_pb_callback().set(FUNC(spinb_state::ppia_b_w));
	ppia.in_pc_callback().set(FUNC(spinb_state::ppia_c_r));
	ppia.out_pc_callback().set(FUNC(spinb_state::ppia_c_w));

	i8255_device &ppim(I8255A(config, "ppim"));
	ppim.out_pa_callback().set(FUNC(spinb_state::ppim_a_w));
	ppim.out_pb_callback().set(FUNC(spinb_state::ppim_b_w));
	ppim.in_pc_callback().set(FUNC(spinb_state::ppim_c_r));
	ppim.out_pc_callback().set(FUNC(spinb_state::ppim_c_w));

	TTL7474(config, m_ic5a, 0);
	m_ic5a->comp_output_cb().set(FUNC(spinb_state::ic5a_w));

	HC157(config, m_ic14a, 0); // actually IC15 on Jolly Park
	m_ic14a->out_callback().set("msm_a", FUNC(msm5205_device::data_w));

	TTL7474(config, m_ic5m, 0);
//.........这里部分代码省略.........