// license:BSD-3-Clause // copyright-holders:Nicola Salmoria /*************************************************************************** Taito Crazy Balloon hardware To-Do: * Video timing from schematics * Watchdog length from schematics * Interrupt timing from schematics * DIP switches * Faithfully implement the custom chips * Coin counter and lock-out ***************************************************************************/ #include "emu.h" #include "includes/crbaloon.h" #include "cpu/z80/z80.h" #include "screen.h" /************************************* * * PC3092 custom chip * * Inputs: pins 1-4 - D0-D3 of data bus * pin 5 - 1P ENTRY (start button 1) * pin 6 - 2P ENTRY (start button 2) * pin 7 - COIN * pin 8 - /4HN (pixel timing) * pin 9 - port 0x0a written to * pin 10 - port 0x08 written to * pin 11 - port 0x07 written to * pin 13 - /RESET * pin 14 - port 0x09 written to * pin 15 - port 0x0b written to * * Outputs: pins 16-19 - D28-D31 of I/O bus * pin 20 - /V-INV (flip screen) * pin 21 - coin counter * *************************************/ #define LOG_PC3092 0 void crbaloon_state::pc3092_reset(void) { /* nothing yet */ } void crbaloon_state::pc3092_update() { flip_screen_set((m_pc3092_data[1] & 0x01) ? true : false); } WRITE8_MEMBER(crbaloon_state::pc3092_w) { m_pc3092_data[offset] = data & 0x0f; if (LOG_PC3092) logerror("%04X: write PC3092 #%d = 0x%02x\n", m_maincpu->pc(), offset, m_pc3092_data[offset]); pc3092_update(); } CUSTOM_INPUT_MEMBER(crbaloon_state::pc3092_r) { uint32_t ret; /* enable coin & start input? Wild guess!!! */ if (m_pc3092_data[1] & 0x02) ret = ioport("PC3092")->read(); else ret = 0x00; if (LOG_PC3092) logerror("%s: read PC3092 = 0x%02x\n", machine().describe_context(), ret); return ret; } /************************************* * * PC3259 custom chip - * collision detection * * Inputs: pins 1-10 - 128V/64V/32V/16V/8V * 128H/64H/32H/16H/8H * video timing lines * pin 11 - CLK * pin 13 - /HTCLR * pin 14 - MVID * pin 15 - T1 * pin 16 - D7 of SOUND port buffer * pin 21/22 - AD2/AD3 of address bus * pin 23 - MSK (port 0x0c written to) * * Outputs: pins 17-20 - D24-D27 of I/O bus * *************************************/ #define LOG_PC3259 0 void crbaloon_state::pc3259_update(void) { /* nothing yet */ } READ8_MEMBER(crbaloon_state::pc3259_r) { uint8_t ret = 0; uint8_t reg = offset >> 2; uint16_t collision_address = crbaloon_get_collision_address(); int collided = (collision_address != 0xffff); switch (reg) { case 0x00: ret = collided ? (collision_address & 0x0f) : 0; break; case 0x01: ret = collided ? ((collision_address >> 4) & 0x0f) : 0; break; case 0x02:; ret = collided ? (collision_address >> 8) : 0; break; default: case 0x03: ret = collided ? 0x08 : 0x07; break; } if (LOG_PC3259) logerror("%04X: read PC3259 #%d = 0x%02x\n", m_maincpu->pc(), reg, ret); return ret | (ioport("DSW1")->read() & 0xf0); } /************************************* * * I/O ports * *************************************/ WRITE8_MEMBER(crbaloon_state::port_sound_w) { /* D0 - interrupt enable - also goes to PC3259 as /HTCTRL */ m_irq_mask = data & 0x01; crbaloon_set_clear_collision_address((data & 0x01) ? true : false); /* D1 - SOUND STOP */ machine().sound().system_enable((data & 0x02) ? true : false); /* D2 - unlabeled - music enable */ crbaloon_audio_set_music_enable(space, 0, (data & 0x04) ? true : false); /* D3 - EXPLOSION */ crbaloon_audio_set_explosion_enable((data & 0x08) ? true : false); /* D4 - BREATH */ crbaloon_audio_set_breath_enable((data & 0x10) ? true : false); /* D5 - APPEAR */ crbaloon_audio_set_appear_enable((data & 0x20) ? true : false); /* D6 - unlabeled - laugh enable */ crbaloon_audio_set_laugh_enable(space, 0, (data & 0x40) ? true : false); /* D7 - unlabeled - goes to PC3259 pin 16 */ pc3259_update(); } /************************************* * * Memory handlers * *************************************/ void crbaloon_state::main_map(address_map &map) { map.global_mask(0x7fff); /* A15 is not decoded */ map(0x0000, 0x3fff).rom(); /* not fully populated */ map(0x4000, 0x43ff).mirror(0x0400).ram(); map(0x4800, 0x4bff).mirror(0x0400).ram().w(FUNC(crbaloon_state::crbaloon_videoram_w)).share("videoram"); map(0x5000, 0x53ff).mirror(0x0400).ram().w(FUNC(crbaloon_state::crbaloon_colorram_w)).share("colorram"); map(0x5800, 0x7fff).noprw(); } /************************************* * * Port handlers * *************************************/ void crbaloon_state::main_io_map(address_map &map) { map.global_mask(0xf); map(0x00, 0x00).mirror(0x0c).portr("DSW0"); map(0x01, 0x01).mirror(0x0c).portr("IN0"); map(0x02, 0x02).select(0x0c).r(FUNC(crbaloon_state::pc3259_r)); map(0x03, 0x03).mirror(0x0c).portr("IN1"); map(0x00, 0x00).nopw(); /* not connected */ map(0x01, 0x01).nopw(); /* watchdog */ map(0x02, 0x04).writeonly().share("spriteram"); map(0x05, 0x05).w(FUNC(crbaloon_state::crbaloon_audio_set_music_freq)); map(0x06, 0x06).w(FUNC(crbaloon_state::port_sound_w)); map(0x07, 0x0b).w(FUNC(crbaloon_state::pc3092_w)).share("pc3092_data"); map(0x0c, 0x0c).nopw(); /* MSK - to PC3259 */ map(0x0d, 0x0d).nopw(); /* schematics has it in a box marked "NOT USE" */ map(0x0e, 0x0f).nopw(); } /************************************* * * Port definition * *************************************/ static INPUT_PORTS_START( crbaloon ) PORT_START("DSW0") PORT_DIPNAME( 0x01, 0x01, "Test?" ) PORT_DIPLOCATION("SW A:1") PORT_DIPSETTING( 0x01, "I/O Check?" ) PORT_DIPSETTING( 0x00, "RAM Check?" ) PORT_DIPNAME( 0x02, 0x02, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW A:2") PORT_DIPSETTING( 0x02, DEF_STR( Upright ) ) PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) ) PORT_DIPNAME( 0x0c, 0x04, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW A:3,4") PORT_DIPSETTING( 0x00, "2" ) PORT_DIPSETTING( 0x04, "3" ) PORT_DIPSETTING( 0x08, "4" ) PORT_DIPSETTING( 0x0c, "5" ) PORT_DIPNAME( 0x10, 0x00, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW A:5") PORT_DIPSETTING( 0x00, "5000" ) PORT_DIPSETTING( 0x10, "10000" ) PORT_DIPNAME( 0xe0, 0x80, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW A:6,7,8") PORT_DIPSETTING( 0x20, DEF_STR( 4C_1C ) ) PORT_DIPSETTING( 0x40, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x60, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x80, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0xa0, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0xc0, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0xe0, DEF_STR( 1C_4C ) ) PORT_DIPSETTING( 0x00, "Disable" ) PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL PORT_START("DSW1") PORT_BIT( 0x0f, IP_ACTIVE_HIGH, IPT_CUSTOM ) /* PC3259 */ PORT_DIPNAME( 0x10, 0x10, "Invulnerability") PORT_DIPLOCATION("SW B:1") PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW B:2") PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW B:3") PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW B:4") PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START("IN1") PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW B:5") PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Name Reset") PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE1 ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_TILT ) PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, crbaloon_state,pc3092_r, nullptr) PORT_START("PC3092") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_START("VR2") PORT_ADJUSTER(50, "VR2 - Beep") PORT_START("VR3") PORT_ADJUSTER(50, "VR3 - Music") INPUT_PORTS_END static const gfx_layout charlayout = { 8,8, /* 8*8 characters */ 256, /* 256 characters */ 1, /* 1 bit per pixel */ { 0 }, { 0, 1, 2, 3, 4, 5, 6, 7 }, { 7*8, 6*8, 5*8, 4*8, 3*8, 2*8, 1*8, 0*8 }, 8*8 /* every char takes 8 consecutive bytes */ }; static GFXDECODE_START( gfx_crbaloon ) GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 16 ) GFXDECODE_END /************************************* * * Machine reset * *************************************/ void crbaloon_state::machine_reset() { address_space &space = m_maincpu->space(AS_IO); pc3092_reset(); port_sound_w(space, 0, 0); crbaloon_audio_set_music_freq(space, 0, 0); } /************************************* * * Machine driver * *************************************/ INTERRUPT_GEN_MEMBER(crbaloon_state::vblank_irq) { if(m_irq_mask) device.execute().set_input_line(0, HOLD_LINE); } MACHINE_CONFIG_START(crbaloon_state::crbaloon) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu", Z80, CRBALOON_MASTER_XTAL / 3) MCFG_DEVICE_PROGRAM_MAP(main_map) MCFG_DEVICE_IO_MAP(main_io_map) MCFG_DEVICE_VBLANK_INT_DRIVER("screen", crbaloon_state, vblank_irq) /* video hardware */ GFXDECODE(config, m_gfxdecode, "palette", gfx_crbaloon); PALETTE(config, "palette", FUNC(crbaloon_state::crbaloon_palette), 32); MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_VIDEO_ATTRIBUTES(VIDEO_ALWAYS_UPDATE) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MCFG_SCREEN_SIZE(32*8, 32*8) MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 28*8-1) MCFG_SCREEN_UPDATE_DRIVER(crbaloon_state, screen_update_crbaloon) MCFG_SCREEN_PALETTE("palette") /* audio hardware */ crbaloon_audio(config); MACHINE_CONFIG_END /************************************* * * ROM definitions * *************************************/ ROM_START( crbaloon ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "cl01.bin", 0x0000, 0x0800, CRC(9d4eef0b) SHA1(a8dd814ac2612073982123c91fa62deaf5bee242) ) ROM_LOAD( "cl02.bin", 0x0800, 0x0800, CRC(10f7a6f7) SHA1(e672a7dcdaae08b202cfc2e19033846ebb267e1b) ) ROM_LOAD( "cl03.bin", 0x1000, 0x0800, CRC(44ed6030) SHA1(8bbf5d9e893710138be15e56682037f128c83527) ) ROM_LOAD( "cl04.bin", 0x1800, 0x0800, CRC(62f66f6c) SHA1(d173b12d6b5e0719d7b25ff0cafebbe64ec6b134) ) ROM_LOAD( "cl05.bin", 0x2000, 0x0800, CRC(c8f1e2be) SHA1(a4603ce0268fa987f7f780702b6ca04e28759674) ) ROM_LOAD( "cl06.bin", 0x2800, 0x0800, CRC(7d465691) SHA1(f5dc7abe8db232f702419d126cee6607ea6a5168) ) ROM_REGION( 0x0800, "gfx1", 0 ) ROM_LOAD( "cl07.bin", 0x0000, 0x0800, CRC(2c1fbea8) SHA1(41cf2aef74d56173057886512d989f6fa3682056) ) ROM_REGION( 0x0800, "gfx2", 0 ) ROM_LOAD( "cl08.bin", 0x0000, 0x0800, CRC(ba898659) SHA1(4291059b113ff91896f1f61a4c14956716edfe1e) ) ROM_END ROM_START( crbaloon2 ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "cl01.bin", 0x0000, 0x0800, CRC(9d4eef0b) SHA1(a8dd814ac2612073982123c91fa62deaf5bee242) ) ROM_LOAD( "crazybal.ep2", 0x0800, 0x0800, CRC(87572086) SHA1(dba842c7c4cb16154ae0da43d71f8f03a56441c3) ) ROM_LOAD( "crazybal.ep3", 0x1000, 0x0800, CRC(575fe995) SHA1(829db1da27cc9b706db6d9563bd271ffcd42be4a) ) ROM_LOAD( "cl04.bin", 0x1800, 0x0800, CRC(62f66f6c) SHA1(d173b12d6b5e0719d7b25ff0cafebbe64ec6b134) ) ROM_LOAD( "cl05.bin", 0x2000, 0x0800, CRC(c8f1e2be) SHA1(a4603ce0268fa987f7f780702b6ca04e28759674) ) ROM_LOAD( "crazybal.ep6", 0x2800, 0x0800, CRC(fed6ff5c) SHA1(e6ed276949fd1511c6abe97026793193fda36e92) ) ROM_REGION( 0x0800, "gfx1", 0 ) ROM_LOAD( "cl07.bin", 0x0000, 0x0800, CRC(2c1fbea8) SHA1(41cf2aef74d56173057886512d989f6fa3682056) ) ROM_REGION( 0x0800, "gfx2", 0 ) ROM_LOAD( "cl08.bin", 0x0000, 0x0800, CRC(ba898659) SHA1(4291059b113ff91896f1f61a4c14956716edfe1e) ) ROM_END /************************************* * * Game drivers * *************************************/ GAME( 1980, crbaloon, 0, crbaloon, crbaloon, crbaloon_state, empty_init, ROT90, "Taito Corporation", "Crazy Balloon (set 1)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE ) GAME( 1980, crbaloon2, crbaloon, crbaloon, crbaloon, crbaloon_state, empty_init, ROT90, "Taito Corporation", "Crazy Balloon (set 2)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )