// license:BSD-3-Clause // copyright-holders:Mike Balfour /*************************************************************************** Atari Canyon Bomber hardware driver by Mike Balfour Games supported: * Canyon Bomber Known issues: * none at this time **************************************************************************** Memory Map: 0000-01FF WRAM 0400-04FF W A0=0:MOTOR1, A0=1:MOTOR2 0500-05FF W A0=0:EXPLODE, A0=1:TIMER RESET 0600-067F W A0=0:WHISTLE1, A0=1:WHISTLE2 0680-06FF W A0=0:LED1, A0=1:LED2 0700-077F W A0=0:ATTRACT1, A0=1:ATTRACT2 0800-0FFF DISPLAY / RAM 1000-17FF SWITCHES 1800-1FFF OPTIONS 2000-27FF ROM1 2800-2FFF ROM2 3000-37FF ROM3 (Language ROM) 3800-3FFF ROM4 (Program ROM) If you have any questions about how this driver works, don't hesitate to ask. - Mike Balfour (mab22@po.cwru.edu) 2008-07 Dip locations verified with manual. ***************************************************************************/ #include "emu.h" #include "includes/canyon.h" #include "cpu/m6502/m6502.h" #include "sound/discrete.h" #include "screen.h" #include "speaker.h" /************************************* * * Palette generation * *************************************/ void canyon_state::canyon_palette(palette_device &palette) const { palette.set_pen_color(0, rgb_t(0x80, 0x80, 0x80)); // GREY palette.set_pen_color(1, rgb_t(0x00, 0x00, 0x00)); // BLACK palette.set_pen_color(2, rgb_t(0x80, 0x80, 0x80)); // GREY palette.set_pen_color(3, rgb_t(0xff, 0xff, 0xff)); // WHITE } /************************************* * * Read handlers * *************************************/ READ8_MEMBER(canyon_state::canyon_switches_r) { uint8_t val = 0; if ((ioport("IN2")->read() >> (offset & 7)) & 1) val |= 0x80; if ((ioport("IN1")->read() >> (offset & 3)) & 1) val |= 0x01; return val; } READ8_MEMBER(canyon_state::canyon_options_r) { return (ioport("DSW")->read() >> (2 * (~offset & 3))) & 3; } /************************************* * * Write handlers * *************************************/ WRITE8_MEMBER(canyon_state::output_latch_w) { // ADR1 = D, ADR8 = A2, ADR7 = A1, ADR0 = A0 m_outlatch->write_bit((offset & 0x180) >> 6 | BIT(offset, 0), BIT(offset, 1)); } /************************************* * * Main CPU memory handlers * *************************************/ void canyon_state::main_map(address_map &map) { map.global_mask(0x3fff); map(0x0000, 0x00ff).mirror(0x100).ram(); map(0x0400, 0x0401).w(FUNC(canyon_state::canyon_motor_w)); map(0x0500, 0x0500).w(FUNC(canyon_state::canyon_explode_w)); map(0x0501, 0x0501).w(m_watchdog, FUNC(watchdog_timer_device::reset_w)); /* watchdog, disabled in service mode */ map(0x0600, 0x0603).select(0x0180).w(FUNC(canyon_state::output_latch_w)); map(0x0800, 0x0bff).ram().w(FUNC(canyon_state::canyon_videoram_w)).share("videoram"); map(0x1000, 0x17ff).r(FUNC(canyon_state::canyon_switches_r)).nopw(); /* sloppy code writes here */ map(0x1800, 0x1fff).r(FUNC(canyon_state::canyon_options_r)); map(0x2000, 0x3fff).rom(); } /************************************* * * Port definitions * *************************************/ static INPUT_PORTS_START( canyon ) PORT_START("DSW") PORT_DIPNAME( 0x03, 0x00, DEF_STR( Language ) ) PORT_DIPLOCATION("SW:1,2") PORT_DIPSETTING( 0x00, DEF_STR( English ) ) PORT_DIPSETTING( 0x01, DEF_STR( Spanish ) ) PORT_DIPSETTING( 0x02, DEF_STR( French ) ) PORT_DIPSETTING( 0x03, DEF_STR( German ) ) PORT_DIPUNKNOWN_DIPLOC( 0x04, 0x04, "SW:3" ) /* Manual says these are unused */ PORT_DIPUNKNOWN_DIPLOC( 0x08, 0x08, "SW:4" ) /* Manual says these are unused */ PORT_DIPNAME( 0x30, 0x00, "Misses Per Play" ) PORT_DIPLOCATION("SW:5,6") PORT_DIPSETTING( 0x00, "3" ) PORT_DIPSETTING( 0x10, "4" ) PORT_DIPSETTING( 0x20, "5" ) PORT_DIPSETTING( 0x30, "6" ) PORT_DIPNAME( 0xc0, 0x80, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW:7,8") PORT_DIPSETTING( 0xc0, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x80, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x40, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) ) PORT_START("IN1") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_START("IN2") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START1 ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START2 ) PORT_SERVICE( 0x10, IP_ACTIVE_HIGH ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_VBLANK("screen") PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON7 ) PORT_NAME("Hiscore Reset") PORT_CODE(KEYCODE_H) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_TILT ) /* SLAM */ PORT_START("MOTOR1") PORT_ADJUSTER( 20, "Motor 1 RPM" ) PORT_START("MOTOR2") PORT_ADJUSTER( 30, "Motor 2 RPM" ) PORT_START("WHISTLE1") PORT_ADJUSTER( 70, "Whistle 1 Freq" ) PORT_START("WHISTLE2") PORT_ADJUSTER( 80, "Whistle 2 Freq" ) INPUT_PORTS_END /************************************* * * Graphics definitions * *************************************/ static const gfx_layout tile_layout = { 8, 8, 64, 1, { 0 }, { 0x4, 0x5, 0x6, 0x7, 0xC, 0xD, 0xE, 0xF }, { 0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70 }, 0x80 }; static const gfx_layout sprite_layout = { 32, 16, 4, 1, { 0 }, { 0x007, 0x006, 0x005, 0x004, 0x003, 0x002, 0x001, 0x000, 0x00F, 0x00E, 0x00D, 0x00C, 0x00B, 0x00A, 0x009, 0x008, 0x107, 0x106, 0x105, 0x104, 0x103, 0x102, 0x101, 0x100, 0x10F, 0x10E, 0x10D, 0x10C, 0x10B, 0x10A, 0x109, 0x108 }, { 0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0, 0xF0 }, 0x200 }; static GFXDECODE_START( gfx_canyon ) GFXDECODE_ENTRY( "gfx1", 0, tile_layout, 0, 2 ) GFXDECODE_ENTRY( "gfx2", 0, sprite_layout, 0, 2 ) GFXDECODE_END /************************************* * * Machine driver * *************************************/ void canyon_state::canyon(machine_config &config) { /* basic machine hardware */ M6502(config, m_maincpu, 12.096_MHz_XTAL / 16); m_maincpu->set_addrmap(AS_PROGRAM, &canyon_state::main_map); F9334(config, m_outlatch); // C7 m_outlatch->q_out_cb<0>().set("discrete", FUNC(discrete_device::write_line)); m_outlatch->q_out_cb<1>().set("discrete", FUNC(discrete_device::write_line)); m_outlatch->q_out_cb<2>().set_output("led0"); // 1 PLAYER LAMP m_outlatch->q_out_cb<3>().set_output("led1"); // 2 PLAYER LAMP m_outlatch->q_out_cb<4>().set("discrete", FUNC(discrete_device::write_line)); m_outlatch->q_out_cb<5>().set("discrete", FUNC(discrete_device::write_line)); WATCHDOG_TIMER(config, m_watchdog).set_vblank_count("screen", 8); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_raw(12.096_MHz_XTAL / 2, 384, 0, 256, 262, 0, 240); // HSYNC = 15,750 Hz screen.set_screen_update(FUNC(canyon_state::screen_update_canyon)); screen.set_palette(m_palette); screen.screen_vblank().set_inputline(m_maincpu, m6502_device::NMI_LINE); GFXDECODE(config, m_gfxdecode, m_palette, gfx_canyon); PALETTE(config, m_palette, FUNC(canyon_state::canyon_palette), 4); /* sound hardware */ SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); DISCRETE(config, m_discrete, canyon_discrete); m_discrete->add_route(0, "lspeaker", 1.0); m_discrete->add_route(1, "rspeaker", 1.0); } /************************************* * * ROM definitions * *************************************/ ROM_START( canyon ) ROM_REGION( 0x4000, "maincpu", 0 ) ROM_LOAD_NIB_LOW ( "9499-01.j1", 0x3000, 0x0400, CRC(31800767) SHA1(d4aebe12d3c45a2a8a361dc6f63e1a6230a78c17) ) ROM_LOAD_NIB_HIGH( "9503-01.p1", 0x3000, 0x0400, CRC(1eddbe28) SHA1(7d30280bf9edff743c16386d7cdec78094477996) ) ROM_LOAD ( "9496-01.d1", 0x3800, 0x0800, CRC(8be15080) SHA1(095c15e9ac91623b2d514858dca2e4c261d36fd0) ) ROM_REGION( 0x0400, "gfx1", 0 ) ROM_LOAD( "9492-01.n8", 0x0000, 0x0400, CRC(7449f754) SHA1(a8ffc39e1a86c94487551f5026eedbbd066b12c9) ) ROM_REGION( 0x0100, "gfx2", 0 ) ROM_LOAD_NIB_LOW ( "9506-01.m5", 0x0000, 0x0100, CRC(0d63396a) SHA1(147fae3b02a86310c8d022a7e7cfbf71ea511616) ) ROM_LOAD_NIB_HIGH( "9505-01.n5", 0x0000, 0x0100, CRC(60507c07) SHA1(fcb76890cbaa37e02392bf8b97f7be9a6fe6a721) ) ROM_REGION( 0x0100, "proms", 0 ) ROM_LOAD( "9491-01.j6", 0x0000, 0x0100, CRC(b8094b4c) SHA1(82dc6799a19984f3b204ee3aeeb007e55afc8be3) ) /* sync (not used) */ ROM_END ROM_START( canyonp ) ROM_REGION( 0x4000, "maincpu", 0 ) ROM_LOAD_NIB_LOW ( "cbp3000l.j1", 0x3000, 0x0800, CRC(49cf29a0) SHA1(b58f024f45f85e5c2a48a95c60e80fd1be60eaac) ) ROM_LOAD_NIB_HIGH( "cbp3000m.p1", 0x3000, 0x0800, CRC(b4385c23) SHA1(b550dfe9182f2b29aedba160a0917ca78b82f0e7) ) ROM_LOAD_NIB_LOW ( "cbp3800l.h1", 0x3800, 0x0800, CRC(c7ee4431) SHA1(7a0f4454a981c4e9ee27e273e9a8379458e660e5) ) ROM_LOAD_NIB_HIGH( "cbp3800m.r1", 0x3800, 0x0800, CRC(94246a9a) SHA1(5ff8b69fb744a5f62d4cf291e8f25e3620b479e7) ) ROM_REGION( 0x0400, "gfx1", 0 ) ROM_LOAD( "9492-01.n8", 0x0000, 0x0400, CRC(7449f754) SHA1(a8ffc39e1a86c94487551f5026eedbbd066b12c9) ) ROM_REGION( 0x0100, "gfx2", 0 ) ROM_LOAD_NIB_LOW ( "9506-01.m5", 0x0000, 0x0100, CRC(0d63396a) SHA1(147fae3b02a86310c8d022a7e7cfbf71ea511616) ) ROM_LOAD_NIB_HIGH( "9505-01.n5", 0x0000, 0x0100, CRC(60507c07) SHA1(fcb76890cbaa37e02392bf8b97f7be9a6fe6a721) ) ROM_REGION( 0x0100, "proms", 0 ) ROM_LOAD( "9491-01.j6", 0x0000, 0x0100, CRC(b8094b4c) SHA1(82dc6799a19984f3b204ee3aeeb007e55afc8be3) ) /* sync (not used) */ ROM_END /************************************* * * Game drivers * *************************************/ GAME( 1977, canyon, 0, canyon, canyon, canyon_state, empty_init, ROT0, "Atari", "Canyon Bomber", MACHINE_SUPPORTS_SAVE ) GAME( 1977, canyonp, canyon, canyon, canyon, canyon_state, empty_init, ROT0, "Atari", "Canyon Bomber (prototype)", MACHINE_SUPPORTS_SAVE )