// license:BSD-3-Clause // copyright-holders:Nathan Woods /************************************************************************* drivers/advision.c Driver for the Entex Adventure Vision **************************************************************************/ /* TODO: - convert to discrete sound - screen pincushion distortion */ #include "emu.h" #include "includes/advision.h" #include "sound/volt_reg.h" #include "screen.h" #include "softlist.h" #include "speaker.h" /* Memory Maps */ READ8_MEMBER( advision_state::rom_r ) { offset += 0x400; return m_cart->read_rom(offset & 0xfff); } void advision_state::program_map(address_map &map) { map(0x0000, 0x03ff).bankr("bank1"); map(0x0400, 0x0fff).r(FUNC(advision_state::rom_r)); } void advision_state::io_map(address_map &map) { map(0x00, 0xff).rw(FUNC(advision_state::ext_ram_r), FUNC(advision_state::ext_ram_w)); } /* Input Ports */ static INPUT_PORTS_START( advision ) PORT_START("joystick") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) PORT_8WAY PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1) PORT_8WAY PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) PORT_8WAY PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) PORT_8WAY INPUT_PORTS_END /* Machine Driver */ void advision_state::advision(machine_config &config) { /* basic machine hardware */ I8048(config, m_maincpu, XTAL(11'000'000)); m_maincpu->set_addrmap(AS_PROGRAM, &advision_state::program_map); m_maincpu->set_addrmap(AS_IO, &advision_state::io_map); m_maincpu->p1_in_cb().set(FUNC(advision_state::controller_r)); m_maincpu->p1_out_cb().set(FUNC(advision_state::bankswitch_w)); m_maincpu->p2_out_cb().set(FUNC(advision_state::av_control_w)); m_maincpu->t1_in_cb().set(FUNC(advision_state::vsync_r)); COP411(config, m_soundcpu, 52631*4); // COP411L-KCN/N, R11=82k, C8=56pF m_soundcpu->set_config(COP400_CKI_DIVISOR_4, COP400_CKO_RAM_POWER_SUPPLY, false); m_soundcpu->read_l().set(FUNC(advision_state::sound_cmd_r)); m_soundcpu->write_g().set(FUNC(advision_state::sound_g_w)); m_soundcpu->write_d().set(FUNC(advision_state::sound_d_w)); /* video hardware */ screen_device &screen(SCREEN(config, SCREEN_TAG, SCREEN_TYPE_RASTER)); screen.set_refresh_hz(4*15); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ screen.set_screen_update(FUNC(advision_state::screen_update)); screen.set_size(320, 200); screen.set_visarea(84, 235, 60, 142); screen.set_palette(m_palette); PALETTE(config, m_palette, FUNC(advision_state::advision_palette), 8); /* sound hardware */ SPEAKER(config, "speaker").front_center(); DAC_2BIT_BINARY_WEIGHTED(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.25); // unknown DAC voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref", 0)); vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT); /* cartridge */ GENERIC_CARTSLOT(config, m_cart, generic_plain_slot, "advision_cart").set_must_be_loaded(true); /* Software lists */ SOFTWARE_LIST(config, "cart_list").set_original("advision"); } /* ROMs */ ROM_START( advision ) ROM_REGION( 0x1000, I8048_TAG, ROMREGION_ERASE00 ) ROM_LOAD( "b225__ins8048-11kdp_n.u5", 0x000, 0x400, CRC(279e33d1) SHA1(bf7b0663e9125c9bfb950232eab627d9dbda8460) ) // " /B225 \\ INS8048-11KDP/N" ROM_REGION( 0x200, COP411_TAG, 0 ) ROM_LOAD( "b8223__cop411l-kcn_n.u8", 0x000, 0x200, CRC(81e95975) SHA1(8b6f8c30dd3e9d8e43f1ea20fba2361b383790eb) ) // " /B8223 \\ COP411L-KCN/N" ROM_END /* Game Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ CONS( 1982, advision, 0, 0, advision, advision, advision_state, empty_init, "Entex", "Adventure Vision", MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )