// license:BSD-3-Clause // copyright-holders:Aaron Giles /*************************************************************************** Model Racing Dribbling hardware driver by Aaron Giles Games supported: * Dribbling **************************************************************************** Memory map **************************************************************************** ======================================================================== CPU #1 ======================================================================== tbd ======================================================================== Interrupts: NMI not connected IRQ generated by VBLANK ======================================================================== ***************************************************************************/ #include "emu.h" #include "includes/dribling.h" #include "cpu/z80/z80.h" #include "machine/i8255.h" #include "screen.h" /************************************* * * Interrupt generation * *************************************/ INTERRUPT_GEN_MEMBER(dribling_state::dribling_irq_gen) { if (m_di) device.execute().set_input_line(0, ASSERT_LINE); } /************************************* * * PPI inputs * *************************************/ READ8_MEMBER(dribling_state::dsr_r) { /* return DSR0-7 */ return (m_ds << m_sh) | (m_dr >> (8 - m_sh)); } READ8_MEMBER(dribling_state::input_mux0_r) { /* low value in the given bit selects */ if (!(m_input_mux & 0x01)) return ioport("MUX0")->read(); else if (!(m_input_mux & 0x02)) return ioport("MUX1")->read(); else if (!(m_input_mux & 0x04)) return ioport("MUX2")->read(); return 0xff; } /************************************* * * PPI outputs * *************************************/ WRITE8_MEMBER(dribling_state::misc_w) { /* bit 7 = di */ m_di = (data >> 7) & 1; if (!m_di) m_maincpu->set_input_line(0, CLEAR_LINE); /* bit 6 = parata */ /* bit 5 = ab. campo */ m_abca = (data >> 5) & 1; /* bit 4 = ab. a.b.f. */ /* bit 3 = n/c */ /* bit 2 = (9) = PC2 */ /* bit 1 = (10) = PC1 */ /* bit 0 = (32) = PC0 */ m_input_mux = data & 7; logerror("%s:misc_w(%02X)\n", machine().describe_context(), data); } WRITE8_MEMBER(dribling_state::sound_w) { /* bit 7 = stop palla */ /* bit 6 = contrasto */ /* bit 5 = calcio a */ /* bit 4 = fischio */ /* bit 3 = calcio b */ /* bit 2 = folla a */ /* bit 1 = folla m */ /* bit 0 = folla b */ logerror("%s:sound_w(%02X)\n", machine().describe_context(), data); } WRITE8_MEMBER(dribling_state::pb_w) { /* write PB0-7 */ logerror("%s:pb_w(%02X)\n", machine().describe_context(), data); } WRITE8_MEMBER(dribling_state::shr_w) { /* bit 3 = watchdog */ if (data & 0x08) m_watchdog->watchdog_reset(); /* bit 2-0 = SH0-2 */ m_sh = data & 0x07; } /************************************* * * PPI accessors * *************************************/ READ8_MEMBER(dribling_state::ioread) { if (offset & 0x08) return m_ppi8255_0->read(offset & 3); else if (offset & 0x10) return m_ppi8255_1->read(offset & 3); return 0xff; } WRITE8_MEMBER(dribling_state::iowrite) { if (offset & 0x08) m_ppi8255_0->write(offset & 3, data); else if (offset & 0x10) m_ppi8255_1->write(offset & 3, data); else if (offset & 0x40) { m_dr = m_ds; m_ds = data; } } /************************************* * * Main CPU memory handlers * *************************************/ void dribling_state::dribling_map(address_map &map) { map(0x0000, 0x1fff).rom(); map(0x2000, 0x3fff).ram().share("videoram"); map(0x4000, 0x7fff).rom(); map(0xc000, 0xdfff).ram().w(FUNC(dribling_state::dribling_colorram_w)).share("colorram"); } void dribling_state::io_map(address_map &map) { map.global_mask(0xff); map(0x00, 0xff).rw(FUNC(dribling_state::ioread), FUNC(dribling_state::iowrite)); } /************************************* * * Port definitions * *************************************/ static INPUT_PORTS_START( dribling ) PORT_START("MUX0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_LEFT ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_RIGHT ) PORT_PLAYER(1) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_DOWN ) PORT_PLAYER(1) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_UP ) PORT_PLAYER(1) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_LEFT ) PORT_PLAYER(1) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_RIGHT ) PORT_PLAYER(1) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_DOWN ) PORT_PLAYER(1) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_UP ) PORT_PLAYER(1) PORT_START("MUX1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_LEFT ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_RIGHT ) PORT_PLAYER(2) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_DOWN ) PORT_PLAYER(2) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_UP ) PORT_PLAYER(2) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_LEFT ) PORT_PLAYER(2) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_RIGHT ) PORT_PLAYER(2) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_DOWN ) PORT_PLAYER(2) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_UP ) PORT_PLAYER(2) PORT_START("MUX2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_BIT( 0x0c, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("IN0") PORT_BIT( 0x0f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START1 ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x40, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x80, DEF_STR( On ) ) INPUT_PORTS_END /************************************* * * Machine driver * *************************************/ void dribling_state::machine_start() { save_item(NAME(m_abca)); save_item(NAME(m_di)); save_item(NAME(m_dr)); save_item(NAME(m_ds)); save_item(NAME(m_sh)); save_item(NAME(m_input_mux)); } void dribling_state::machine_reset() { m_abca = 0; m_di = 0; m_dr = 0; m_ds = 0; m_sh = 0; m_input_mux = 0; } void dribling_state::dribling(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, 20_MHz_XTAL / 4); // XTAL verified, divider not m_maincpu->set_addrmap(AS_PROGRAM, &dribling_state::dribling_map); m_maincpu->set_addrmap(AS_IO, &dribling_state::io_map); m_maincpu->set_vblank_int("screen", FUNC(dribling_state::dribling_irq_gen)); I8255A(config, m_ppi8255_0); m_ppi8255_0->in_pa_callback().set(FUNC(dribling_state::dsr_r)); m_ppi8255_0->in_pb_callback().set(FUNC(dribling_state::input_mux0_r)); m_ppi8255_0->out_pc_callback().set(FUNC(dribling_state::misc_w)); I8255A(config, m_ppi8255_1); m_ppi8255_1->out_pa_callback().set(FUNC(dribling_state::sound_w)); m_ppi8255_1->out_pb_callback().set(FUNC(dribling_state::pb_w)); m_ppi8255_1->in_pc_callback().set_ioport("IN0"); m_ppi8255_1->out_pc_callback().set(FUNC(dribling_state::shr_w)); WATCHDOG_TIMER(config, m_watchdog); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_video_attributes(VIDEO_UPDATE_BEFORE_VBLANK); screen.set_refresh_hz(60); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500) /* not accurate */); screen.set_size(256, 256); screen.set_visarea(0, 255, 40, 255); screen.set_screen_update(FUNC(dribling_state::screen_update_dribling)); screen.set_palette("palette"); PALETTE(config, "palette", FUNC(dribling_state::dribling_palette), 256); /* sound hardware */ } /************************************* * * ROM definitions * *************************************/ ROM_START( dribling ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "5p.bin", 0x0000, 0x1000, CRC(0e791947) SHA1(57bc4f4e9e1fe3fbac1017601c9c75029b2601a4) ) ROM_LOAD( "5n.bin", 0x1000, 0x1000, CRC(bd0f223a) SHA1(f9fbc5670a8723c091d61012e545774d315eb18f) ) // ROM_LOAD( "5l.bin", 0x4000, 0x1000, CRC(1fccfc85) SHA1(c0365ad54144414218f52209173b858b927c9626) ) ROM_LOAD( "5k.bin", 0x5000, 0x1000, CRC(737628c4) SHA1(301fda413388c26da5b5150aec2cefc971801749) ) // ROM_LOAD( "5h.bin", 0x6000, 0x1000, CRC(30d0957f) SHA1(52135e12094ee1c8828a48c355bdd565aa5895de) ) // ROM_REGION( 0x2000, "gfx1", 0 ) ROM_LOAD( "3p.bin", 0x0000, 0x1000, CRC(208971b8) SHA1(f91f3ea04d75beb58a61c844472b4dba53d84c0f) ) ROM_LOAD( "3n.bin", 0x1000, 0x1000, CRC(356c9803) SHA1(8e2ce52f32b33886f4747dadf3aeb78148538173) ) ROM_REGION( 0x600, "proms", 0 ) ROM_LOAD( "93453-d9.3c", 0x0000, 0x0400, CRC(b045d005) SHA1(7e3ac10a99aa37f6348b3a57a747116b7025103e) ) ROM_LOAD( "63s140-d8.3e", 0x0400, 0x0100, CRC(8f1a9908) SHA1(12c513c589757f1282e9979d3589f9b49d30ec0f) ) ROM_LOAD( "tbp24s10.2d", 0x0500, 0x0100, CRC(a17d6956) SHA1(81724daf2e2d319f55cc34cc881b6a9a4e64e7ac) ) ROM_END ROM_START( driblingo ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "5p.bin", 0x0000, 0x1000, CRC(0e791947) SHA1(57bc4f4e9e1fe3fbac1017601c9c75029b2601a4) ) ROM_LOAD( "dribblng.5n", 0x1000, 0x1000, CRC(5271e620) SHA1(ebed8e31057bb8492840a6e3b8bc453f7cb67243) ) ROM_LOAD( "5l.bin", 0x4000, 0x1000, CRC(1fccfc85) SHA1(c0365ad54144414218f52209173b858b927c9626) ) ROM_LOAD( "dribblng.5j", 0x5000, 0x1000, CRC(e535ac5b) SHA1(ba13298378f1e5b2b40634874097ad29c402fdea) ) ROM_LOAD( "dribblng.5h", 0x6000, 0x1000, CRC(e6af7264) SHA1(a015120d85461e599c4bb9626ebea296386a31bb) ) ROM_REGION( 0x2000, "gfx1", 0 ) ROM_LOAD( "3p.bin", 0x0000, 0x1000, CRC(208971b8) SHA1(f91f3ea04d75beb58a61c844472b4dba53d84c0f) ) ROM_LOAD( "3n.bin", 0x1000, 0x1000, CRC(356c9803) SHA1(8e2ce52f32b33886f4747dadf3aeb78148538173) ) ROM_REGION( 0x600, "proms", 0 ) ROM_LOAD( "93453-d9.3c", 0x0000, 0x0400, CRC(b045d005) SHA1(7e3ac10a99aa37f6348b3a57a747116b7025103e) ) ROM_LOAD( "63s140-d8.3e", 0x0400, 0x0100, CRC(8f1a9908) SHA1(12c513c589757f1282e9979d3589f9b49d30ec0f) ) ROM_LOAD( "tbp24s10.2d", 0x0500, 0x0100, CRC(a17d6956) SHA1(81724daf2e2d319f55cc34cc881b6a9a4e64e7ac) ) ROM_END ROM_START( driblingbr ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "1", 0x0000, 0x1000, CRC(35d97f4f) SHA1(c82b1d2a91e25cf3e3f049e0127d300572f0f54c) ) ROM_LOAD( "2", 0x1000, 0x1000, CRC(bd0f223a) SHA1(f9fbc5670a8723c091d61012e545774d315eb18f) ) ROM_LOAD( "3", 0x4000, 0x1000, CRC(1fccfc85) SHA1(c0365ad54144414218f52209173b858b927c9626) ) ROM_LOAD( "4", 0x5000, 0x1000, CRC(3ed4073a) SHA1(dec36e9dda07ea5f50163b98051955783131773d) ) ROM_LOAD( "5", 0x6000, 0x1000, CRC(c21a1d32) SHA1(6e919f1416e6c4df133d3140f7331f65f65d4942) ) ROM_REGION( 0x2000, "gfx1", 0 ) ROM_LOAD( "6", 0x0000, 0x1000, CRC(208971b8) SHA1(f91f3ea04d75beb58a61c844472b4dba53d84c0f) ) ROM_LOAD( "7", 0x1000, 0x1000, CRC(356c9803) SHA1(8e2ce52f32b33886f4747dadf3aeb78148538173) ) ROM_REGION( 0x600, "proms", 0 ) ROM_LOAD( "93453-d9.3c", 0x0000, 0x0400, CRC(b045d005) SHA1(7e3ac10a99aa37f6348b3a57a747116b7025103e) ) ROM_LOAD( "63s140-d8.3e", 0x0400, 0x0100, CRC(8f1a9908) SHA1(12c513c589757f1282e9979d3589f9b49d30ec0f) ) ROM_LOAD( "tbp24s10.2d", 0x0500, 0x0100, CRC(a17d6956) SHA1(81724daf2e2d319f55cc34cc881b6a9a4e64e7ac) ) ROM_END /************************************* * * Game drivers * *************************************/ GAME( 1983, dribling, 0, dribling, dribling, dribling_state, empty_init, ROT0, "Model Racing", "Dribbling", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE ) GAME( 1983, driblingo, dribling, dribling, dribling, dribling_state, empty_init, ROT0, "Model Racing (Olympia license)", "Dribbling (Olympia)", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE ) GAME( 1983, driblingbr, dribling, dribling, dribling, dribling_state, empty_init, ROT0, "bootleg (Videomac)", "Dribbling (bootleg, Brazil)", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE )