INPUT_PORTS_END
/* Machine driver */
void galeb_state::galeb(machine_config &config)
{
/* basic machine hardware */
M6502(config, m_maincpu, 1000000);
m_maincpu->set_addrmap(AS_PROGRAM, &galeb_state::galeb_mem);
/* video hardware */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_refresh_hz(50);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
screen.set_size(48*8, 16*8);
screen.set_visarea(0, 48*8-1, 0, 16*8-1);
screen.set_screen_update(FUNC(galeb_state::screen_update_galeb));
screen.set_palette(m_palette);
GFXDECODE(config, m_gfxdecode, m_palette, gfx_galeb);
PALETTE(config, m_palette, palette_device::MONOCHROME);
/* audio hardware */
SPEAKER(config, "speaker").front_center();
DAC_1BIT(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.0625); // unknown DAC
voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref", 0));
vref.set_output(5.0);
vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
}
void n8080_state::spacefev_sound(machine_config &config)
{
MCFG_SOUND_START_OVERRIDE(n8080_state,spacefev)
MCFG_SOUND_RESET_OVERRIDE(n8080_state,spacefev)
/* basic machine hardware */
I8035(config, m_audiocpu, 6000000);
m_audiocpu->set_addrmap(AS_PROGRAM, &n8080_state::n8080_sound_cpu_map);
m_audiocpu->t0_in_cb().set(FUNC(n8080_state::n8080_8035_t0_r));
m_audiocpu->t1_in_cb().set(FUNC(n8080_state::n8080_8035_t1_r));
m_audiocpu->p1_in_cb().set(FUNC(n8080_state::n8080_8035_p1_r));
m_audiocpu->p2_out_cb().set(FUNC(n8080_state::n8080_dac_w));
TIMER(config, "vco_timer").configure_periodic(FUNC(n8080_state::spacefev_vco_voltage_timer), attotime::from_hz(1000));
/* sound hardware */
SPEAKER(config, "speaker").front_center();
DAC_1BIT(config, m_n8080_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.15);
voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref", 0));
vref.add_route(0, "n8080_dac", 1.0, DAC_VREF_POS_INPUT);
SN76477(config, m_sn);
m_sn->set_noise_params(RES_K(36), RES_K(150), CAP_N(1));
m_sn->set_decay_res(RES_M(1));
m_sn->set_attack_params(CAP_U(1.0), RES_K(20));
m_sn->set_amp_res(RES_K(150));
m_sn->set_feedback_res(RES_K(47));
m_sn->set_vco_params(0, CAP_N(1), RES_M(1.5));
m_sn->set_pitch_voltage(0);
m_sn->set_slf_params(CAP_N(47), RES_M(1));
m_sn->set_oneshot_params(CAP_N(47), RES_K(820));
m_sn->set_vco_mode(0);
m_sn->set_mixer_params(0, 0, 0);
m_sn->set_envelope_params(1, 0);
m_sn->set_enable(1);
m_sn->add_route(ALL_OUTPUTS, "speaker", 0.35);
}
void hp48_state::hp48_common(machine_config &config)
{
/* cpu */
SATURN(config, m_maincpu, 3937007); /* almost 4 MHz */
m_maincpu->set_addrmap(AS_PROGRAM, &hp48_state::hp48);
m_maincpu->out_func().set(FUNC(hp48_state::reg_out));
m_maincpu->in_func().set(FUNC(hp48_state::reg_in));
m_maincpu->reset_func().set(FUNC(hp48_state::mem_reset));
m_maincpu->config_func().set(FUNC(hp48_state::mem_config));
m_maincpu->unconfig_func().set(FUNC(hp48_state::mem_unconfig));
m_maincpu->id_func().set(FUNC(hp48_state::mem_id));
m_maincpu->crc_func().set(FUNC(hp48_state::mem_crc));
m_maincpu->rsi_func().set(FUNC(hp48_state::rsi));
/* memory */
NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);
/* video */
SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
m_screen->set_refresh_hz(64);
m_screen->set_vblank_time(0);
m_screen->set_size(131, 64);
m_screen->set_visarea(0, 130, 0, 63);
m_screen->set_screen_update(FUNC(hp48_state::screen_update_hp48));
m_screen->set_palette(m_palette);
/* monochrome, but with varying contrast and grayscale */
PALETTE(config, m_palette, 256).set_init(FUNC(hp48_state::palette_init_hp48));
/* sound */
SPEAKER(config, "speaker").front_center();
DAC_1BIT(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.5);
voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref", 0));
vref.set_output(5.0);
vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
}
