// license:BSD-3-Clause // copyright-holders:Pierpaolo Prazzoli /* Trivia Quest Sunn/Techstar 1984 CPU: 6809 Three SY6522 - for flashing lighted buttons? Sound: Two AY-3-8910 Forty eight! MK4027 4K Rams Six 6116 Rams with battery backup Two Crystals: 11.6688 Mhz 6 Mhz Two 8 position DIPS rom3 through rom7 - Main pcb PRG. roma through romi - Sub pcb Questions. The main pcb had empty sockets for rom0, rom1 and rom2. This pcb has been tested and works as is. driver by Pierpaolo Prazzoli Notes: - Hardware is similar to the one in gameplan.c */ #include "emu.h" #include "includes/gameplan.h" #include "cpu/m6809/m6809.h" #include "machine/6522via.h" #include "machine/nvram.h" #include "sound/ay8910.h" #include "speaker.h" READ8_MEMBER(gameplan_state::trvquest_question_r) { return memregion("questions")->base()[*m_trvquest_question * 0x2000 + offset]; } WRITE_LINE_MEMBER(gameplan_state::trvquest_coin_w) { machine().bookkeeping().coin_counter_w(0, ~state & 1); } WRITE_LINE_MEMBER(gameplan_state::trvquest_misc_w) { // data & 1 -> led on/off ? } void gameplan_state::cpu_map(address_map &map) { map(0x0000, 0x1fff).ram().share("nvram"); // cmos ram map(0x2000, 0x27ff).ram(); // main ram map(0x3800, 0x380f).m(m_via_1, FUNC(via6522_device::map)); map(0x3810, 0x381f).m(m_via_2, FUNC(via6522_device::map)); map(0x3820, 0x382f).m(m_via_0, FUNC(via6522_device::map)); map(0x3830, 0x3831).w("ay1", FUNC(ay8910_device::address_data_w)); map(0x3840, 0x3841).w("ay2", FUNC(ay8910_device::address_data_w)); map(0x3850, 0x3850).nopr(); //watchdog_reset_r ? map(0x8000, 0x9fff).r(FUNC(gameplan_state::trvquest_question_r)); map(0xa000, 0xa000).writeonly().share("trvquest_q"); map(0xa000, 0xa000).nopr(); // bogus read from the game code when reads question roms map(0xb000, 0xffff).rom(); } static INPUT_PORTS_START( trvquest ) PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Reset") PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_START("IN1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_START("UNK") PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START("DSW") PORT_DIPNAME( 0x07, 0x01, DEF_STR( Coinage ) ) PORT_DIPSETTING( 0x06, DEF_STR( 4C_1C ) ) PORT_DIPSETTING( 0x05, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x04, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x01, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x02, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x03, DEF_STR( 1C_3C ) ) // PORT_DIPSETTING( 0x07, DEF_STR( Free_Play ) ) PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) ) PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) INPUT_PORTS_END MACHINE_START_MEMBER(gameplan_state,trvquest) { /* register for save states */ save_item(NAME(m_video_x)); save_item(NAME(m_video_y)); save_item(NAME(m_video_command)); save_item(NAME(m_video_data)); /* this is needed for trivia quest */ m_via_0->write_pb5(1); } MACHINE_RESET_MEMBER(gameplan_state,trvquest) { m_video_x = 0; m_video_y = 0; m_video_command = 0; m_video_data = 0; } void gameplan_state::trvquest(machine_config &config) { M6809(config, m_maincpu, XTAL(6'000'000)/4); m_maincpu->set_addrmap(AS_PROGRAM, &gameplan_state::cpu_map); NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_1); MCFG_MACHINE_START_OVERRIDE(gameplan_state,trvquest) MCFG_MACHINE_RESET_OVERRIDE(gameplan_state,trvquest) /* video hardware */ trvquest_video(config); /* sound hardware */ SPEAKER(config, "mono").front_center(); AY8910(config, "ay1", XTAL(6'000'000)/2).add_route(ALL_OUTPUTS, "mono", 0.25); AY8910(config, "ay2", XTAL(6'000'000)/2).add_route(ALL_OUTPUTS, "mono", 0.25); /* via */ VIA6522(config, m_via_0, XTAL(6'000'000)/4); m_via_0->writepa_handler().set(FUNC(gameplan_state::video_data_w)); m_via_0->writepb_handler().set(FUNC(gameplan_state::gameplan_video_command_w)); m_via_0->ca2_handler().set(FUNC(gameplan_state::video_command_trigger_w)); VIA6522(config, m_via_1, XTAL(6'000'000)/4); m_via_1->readpa_handler().set_ioport("IN0"); m_via_1->readpb_handler().set_ioport("IN1"); m_via_1->ca2_handler().set(FUNC(gameplan_state::trvquest_coin_w)); VIA6522(config, m_via_2, XTAL(6'000'000)/4); m_via_2->readpa_handler().set_ioport("UNK"); m_via_2->readpb_handler().set_ioport("DSW"); m_via_2->ca2_handler().set(FUNC(gameplan_state::trvquest_misc_w)); m_via_2->irq_handler().set(FUNC(gameplan_state::via_irq)); } ROM_START( trvquest ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "rom3", 0xb000, 0x1000, CRC(2ff7f370) SHA1(66f40426ed02ee44235e17a49d9054ede42b83b9) ) ROM_LOAD( "rom4", 0xc000, 0x1000, CRC(b1adebcb) SHA1(661cabc92b1defce5c2edb8e873a80d5032084d0) ) ROM_LOAD( "rom5", 0xd000, 0x1000, CRC(2fc10a15) SHA1(8ecce32a5a167056c8fb48554a8907ae6299921e) ) ROM_LOAD( "rom6", 0xe000, 0x1000, CRC(fabf4846) SHA1(862cac32de78f2ff4afef398b864d5533d302a4f) ) ROM_LOAD( "rom7", 0xf000, 0x1000, CRC(a9f56551) SHA1(fb6fc3b17a6e66571a5ba837befbfac1ac26cc39) ) ROM_REGION( 0x18000, "questions", ROMREGION_ERASEFF ) /* Question roms */ /* 0x00000 - 0x07fff empty */ ROM_LOAD( "romi", 0x06000, 0x2000, CRC(c8368f69) SHA1(c1dfb701482c5ae922df0a93665a519995a2f4f1) ) ROM_LOAD( "romh", 0x08000, 0x2000, CRC(f3aa8a08) SHA1(2bf8f878cc1df84806a6fb8e7be2656c422d61b9) ) ROM_LOAD( "romg", 0x0a000, 0x2000, CRC(f85f8e48) SHA1(38c9142181a8ee5c0bc80cf2a06d4137fcb2a8b9) ) ROM_LOAD( "romf", 0x0c000, 0x2000, CRC(2bffdcab) SHA1(96bd9aede5a76f9ddcf29e8df2c632075d21b8f6) ) ROM_LOAD( "rome", 0x0e000, 0x2000, CRC(3ff66402) SHA1(da13fe6b99d7517ad2ecd0e42d0c306d4e49563a) ) ROM_LOAD( "romd", 0x10000, 0x2000, CRC(4e21653f) SHA1(719a8dda9b81963a6b6d7d3e4966ecde676b9ecf) ) ROM_LOAD( "romc", 0x12000, 0x2000, CRC(081a5322) SHA1(09e7ea5f1ee1dc35ec00bcea1550c6fe0bbdf60d) ) ROM_LOAD( "romb", 0x14000, 0x2000, CRC(819ab451) SHA1(78c181eae63d55d1d0643bb7be07ca3cdbe14285) ) ROM_LOAD( "roma", 0x16000, 0x2000, CRC(b4bcaf33) SHA1(c6b08fb8d55b2834d0c6c5baff9f544c795e4c15) ) ROM_END GAME( 1984, trvquest, 0, trvquest, trvquest, gameplan_state, empty_init, ROT90, "Sunn / Techstar", "Trivia Quest", MACHINE_SUPPORTS_SAVE )