/*************************************************************************** Sun Electronics Arabian hardware driver by Dan Boris Games supported: * Arabian [2 sets] Known bugs: * none at this time **************************************************************************** Memory map **************************************************************************** ======================================================================== CPU #1 (Arabian) ======================================================================== 0000-7FFF R xxxxxxxx Program ROM 8000-BFFF R/W xxxxxxxx Bitmap RAM C000 R ----xxxx Coin inputs C200 R ----xxxx Option switches D000-DFFF R/W xxxxxxxx Custom microprocessor RAM E000 W ----xxxx BSEL Bank select E001 W xxxxxxxx DMA ROM start address low E002 W xxxxxxxx DMA ROM start address high E003 W xxxxxxxx DMA RAM start address low E004 W xxxxxxxx DMA RAM start address high E005 W xxxxxxxx Picture size/DMA start low E006 W xxxxxxxx Picture size/DMA start high ======================================================================== C800 W xxxxxxxx Sound chip address CA00 R/W xxxxxxxx Sound chip data ======================================================================== Interrupts: NMI not connected IRQ generated by VBLANK ======================================================================== ***************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "cpu/mb88xx/mb88xx.h" #include "includes/arabian.h" #include "sound/ay8910.h" /* constants */ #define MAIN_OSC XTAL_12MHz /************************************* * * Audio chip output ports * *************************************/ static WRITE8_DEVICE_HANDLER( ay8910_porta_w ) { arabian_state *state = device->machine().driver_data(); /* bit 7 = ENA bit 6 = ENB bit 5 = /ABHF bit 4 = /AGHF bit 3 = /ARHF */ state->m_video_control = data; } static WRITE8_DEVICE_HANDLER( ay8910_portb_w ) { /* bit 5 = /IREQ to custom CPU bit 4 = /SRES to custom CPU bit 1 = coin 2 counter bit 0 = coin 1 counter */ cputag_set_input_line(device->machine(), "mcu", MB88_IRQ_LINE, data & 0x20 ? CLEAR_LINE : ASSERT_LINE); cputag_set_input_line(device->machine(), "mcu", INPUT_LINE_RESET, data & 0x10 ? CLEAR_LINE : ASSERT_LINE); /* clock the coin counters */ coin_counter_w(device->machine(), 1, ~data & 0x02); coin_counter_w(device->machine(), 0, ~data & 0x01); } /************************************* * * Custom CPU (MB8841 MCU) * *************************************/ static READ8_HANDLER( mcu_port_r_r ) { arabian_state *state = space->machine().driver_data(); UINT8 val = state->m_mcu_port_r[offset]; /* RAM mode is enabled */ if (offset == 0) val |= 4; return val; } static WRITE8_HANDLER( mcu_port_r_w ) { arabian_state *state = space->machine().driver_data(); if (offset == 0) { UINT32 ram_addr = ((state->m_mcu_port_p & 7) << 8) | state->m_mcu_port_o; if (~data & 2) state->m_custom_cpu_ram[ram_addr] = 0xf0 | state->m_mcu_port_r[3]; state->m_flip_screen = data & 8; } state->m_mcu_port_r[offset] = data & 0x0f; } static READ8_HANDLER( mcu_portk_r ) { arabian_state *state = space->machine().driver_data(); UINT8 val = 0xf; if (~state->m_mcu_port_r[0] & 1) { UINT32 ram_addr = ((state->m_mcu_port_p & 7) << 8) | state->m_mcu_port_o; val = state->m_custom_cpu_ram[ram_addr]; } else { static const char *const comnames[] = { "COM0", "COM1", "COM2", "COM3", "COM4", "COM5" }; UINT8 sel = ((state->m_mcu_port_r[2] << 4) | state->m_mcu_port_r[1]) & 0x3f; int i; for (i = 0; i < 6; ++i) { if (~sel & (1 << i)) { val = input_port_read(space->machine(), comnames[i]); break; } } } return val & 0x0f; } static WRITE8_HANDLER( mcu_port_o_w ) { arabian_state *state = space->machine().driver_data(); UINT8 out = data & 0x0f; if (data & 0x10) state->m_mcu_port_o = (state->m_mcu_port_o & 0x0f) | (out << 4); else state->m_mcu_port_o = (state->m_mcu_port_o & 0xf0) | out; } static WRITE8_HANDLER( mcu_port_p_w ) { arabian_state *state = space->machine().driver_data(); state->m_mcu_port_p = data & 0x0f; } /************************************* * * Main CPU memory handlers * *************************************/ static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8 ) AM_RANGE(0x0000, 0x7fff) AM_ROM AM_RANGE(0x8000, 0xbfff) AM_WRITE(arabian_videoram_w) AM_RANGE(0xc000, 0xc000) AM_MIRROR(0x01ff) AM_READ_PORT("IN0") AM_RANGE(0xc200, 0xc200) AM_MIRROR(0x01ff) AM_READ_PORT("DSW1") AM_RANGE(0xd000, 0xd7ff) AM_MIRROR(0x0800) AM_RAM AM_BASE_MEMBER(arabian_state, m_custom_cpu_ram) AM_RANGE(0xe000, 0xe007) AM_MIRROR(0x0ff8) AM_WRITE(arabian_blitter_w) AM_BASE_MEMBER(arabian_state, m_blitter) ADDRESS_MAP_END /************************************* * * Main CPU port handlers * *************************************/ static ADDRESS_MAP_START( main_io_map, AS_IO, 8 ) AM_RANGE(0xc800, 0xc800) AM_MIRROR(0x01ff) AM_DEVWRITE("aysnd", ay8910_address_w) AM_RANGE(0xca00, 0xca00) AM_MIRROR(0x01ff) AM_DEVWRITE("aysnd", ay8910_data_w) ADDRESS_MAP_END /************************************* * * MCU port handlers * *************************************/ static ADDRESS_MAP_START( mcu_io_map, AS_IO, 8 ) AM_RANGE(MB88_PORTK, MB88_PORTK ) AM_READ(mcu_portk_r) AM_RANGE(MB88_PORTO, MB88_PORTO ) AM_WRITE(mcu_port_o_w) AM_RANGE(MB88_PORTP, MB88_PORTP ) AM_WRITE(mcu_port_p_w) AM_RANGE(MB88_PORTR0, MB88_PORTR3) AM_READWRITE(mcu_port_r_r, mcu_port_r_w) ADDRESS_MAP_END /************************************* * * Port definitions * *************************************/ static INPUT_PORTS_START( arabian ) PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_SERVICE( 0x04, IP_ACTIVE_HIGH ) /* also adds 1 credit */ PORT_BIT( 0xf8, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_START("DSW1") PORT_DIPNAME( 0x01, 0x00, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW1:!1") PORT_DIPSETTING( 0x00, "3" ) PORT_DIPSETTING( 0x01, "5" ) PORT_DIPNAME( 0x02, 0x02, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW1:!2") PORT_DIPSETTING( 0x02, DEF_STR( Upright ) ) PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) ) PORT_DIPNAME( 0x04, 0x04, DEF_STR( Flip_Screen ) ) PORT_DIPLOCATION("SW1:!3") PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x00, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW1:!4") /* Carry Bowls to Next Life */ PORT_DIPSETTING( 0x00, DEF_STR( Easy ) ) /* not reset "ARABIAN" letters */ PORT_DIPSETTING( 0x08, DEF_STR( Hard ) ) /* reset "ARABIAN" letters */ PORT_DIPNAME( 0xf0, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW1:!5,!6,!7,!8") PORT_DIPSETTING( 0x10, "A 2/1 B 2/1" ) PORT_DIPSETTING( 0x20, "A 2/1 B 1/3" ) PORT_DIPSETTING( 0x00, "A 1/1 B 1/1" ) PORT_DIPSETTING( 0x30, "A 1/1 B 1/2" ) PORT_DIPSETTING( 0x40, "A 1/1 B 1/3" ) PORT_DIPSETTING( 0x50, "A 1/1 B 1/4" ) PORT_DIPSETTING( 0x60, "A 1/1 B 1/5" ) PORT_DIPSETTING( 0x70, "A 1/1 B 1/6" ) PORT_DIPSETTING( 0x80, "A 1/2 B 1/2" ) PORT_DIPSETTING( 0x90, "A 1/2 B 1/4" ) PORT_DIPSETTING( 0xa0, "A 1/2 B 1/5" ) PORT_DIPSETTING( 0xe0, "A 1/2 B 1/6" ) PORT_DIPSETTING( 0xb0, "A 1/2 B 1/10" ) PORT_DIPSETTING( 0xc0, "A 1/2 B 1/11" ) PORT_DIPSETTING( 0xd0, "A 1/2 B 1/12" ) PORT_DIPSETTING( 0xf0, DEF_STR( Free_Play ) ) PORT_START("COM0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START1 ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START2 ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_SERVICE1 ) /* IN3 : "AUX-S" */ PORT_START("COM1") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_START("COM2") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* IN9 */ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* IN10 */ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* IN11 */ PORT_START("COM3") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL PORT_START("COM4") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* IN17 */ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* IN18 */ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* IN19 */ PORT_START("COM5") PORT_DIPNAME( 0x01, 0x01, "Coin Counters" ) PORT_DIPLOCATION("SW2:!1") PORT_DIPSETTING( 0x01, "1" ) PORT_DIPSETTING( 0x00, "2" ) PORT_DIPNAME( 0x02, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW2:!2") PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW2:!3,!4") PORT_DIPSETTING( 0x0c, "30k 70k 40k+" ) /* last bonus life at 870k : max. 22 bonus lives */ PORT_DIPSETTING( 0x04, "20k only" ) PORT_DIPSETTING( 0x08, "40k only" ) PORT_DIPSETTING( 0x00, DEF_STR( None ) ) INPUT_PORTS_END static INPUT_PORTS_START( arabiana ) PORT_INCLUDE( arabian ) PORT_MODIFY("COM5") PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW2:!3,!4") PORT_DIPSETTING( 0x0c, "20k 50k 150k 100k+" ) /* last bonus life at 850k : max. 10 bonus lives */ PORT_DIPSETTING( 0x04, "20k only" ) PORT_DIPSETTING( 0x08, "40k only" ) PORT_DIPSETTING( 0x00, DEF_STR( None ) ) INPUT_PORTS_END /************************************* * * Sound definitions * *************************************/ static const ay8910_interface ay8910_config = { AY8910_LEGACY_OUTPUT, AY8910_DEFAULT_LOADS, DEVCB_NULL, DEVCB_NULL, DEVCB_HANDLER(ay8910_porta_w), DEVCB_HANDLER(ay8910_portb_w) }; /************************************* * * Machine driver * *************************************/ static MACHINE_START( arabian ) { arabian_state *state = machine.driver_data(); state->save_item(NAME(state->m_mcu_port_o)); state->save_item(NAME(state->m_mcu_port_p)); state->save_item(NAME(state->m_mcu_port_r)); } static MACHINE_RESET( arabian ) { arabian_state *state = machine.driver_data(); state->m_video_control = 0; } static MACHINE_CONFIG_START( arabian, arabian_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80, MAIN_OSC/4) MCFG_CPU_PROGRAM_MAP(main_map) MCFG_CPU_IO_MAP(main_io_map) MCFG_CPU_VBLANK_INT("screen", irq0_line_hold) MCFG_CPU_ADD("mcu", MB8841, MAIN_OSC/3/2) MCFG_CPU_IO_MAP(mcu_io_map) MCFG_QUANTUM_TIME(attotime::from_hz(6000)) MCFG_MACHINE_START(arabian) MCFG_MACHINE_RESET(arabian) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MCFG_SCREEN_SIZE(256, 256) MCFG_SCREEN_VISIBLE_AREA(0, 255, 11, 244) MCFG_SCREEN_UPDATE(arabian) MCFG_PALETTE_LENGTH(256*32) MCFG_PALETTE_INIT(arabian) MCFG_VIDEO_START(arabian) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("aysnd", AY8910, MAIN_OSC/4/2) MCFG_SOUND_CONFIG(ay8910_config) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MACHINE_CONFIG_END /************************************* * * ROM definitions * *************************************/ ROM_START( arabian ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "ic1rev2.87", 0x0000, 0x2000, CRC(5e1c98b8) SHA1(1775b7b125dde3502aefcf6221662e82f55b3f2a) ) ROM_LOAD( "ic2rev2.88", 0x2000, 0x2000, CRC(092f587e) SHA1(a722a61d35629ff4087c7a5e4c98b3ab51d6322b) ) ROM_LOAD( "ic3rev2.89", 0x4000, 0x2000, CRC(15145f23) SHA1(ae250116b57455ed84948cd9a6bdda86b2ac3e16) ) ROM_LOAD( "ic4rev2.90", 0x6000, 0x2000, CRC(32b77b44) SHA1(9d7951e723bc65e3d607f89836f1436b99f2585b) ) ROM_REGION( 0x10000, "gfx1", 0 ) ROM_LOAD( "tvg-91.ic84", 0x0000, 0x2000, CRC(c4637822) SHA1(0c73d9a4db925421a535784780ad93bb0f091051) ) ROM_LOAD( "tvg-92.ic85", 0x2000, 0x2000, CRC(f7c6866d) SHA1(34f545c5f7c152cd59f7be0a72105f739852cd6a) ) ROM_LOAD( "tvg-93.ic86", 0x4000, 0x2000, CRC(71acd48d) SHA1(cd0bffed351b14c9aebbfc1d3d4d232a5b91a68f) ) ROM_LOAD( "tvg-94.ic87", 0x6000, 0x2000, CRC(82160b9a) SHA1(03511f6ebcf22ba709a80a565e71acf5bdecbabb) ) ROM_REGION( 0x800, "mcu", 0 ) ROM_LOAD( "sun-8212.ic3", 0x000, 0x800, CRC(8869611e) SHA1(c6443f3bcb0cdb4d7b1b19afcbfe339c300f36aa) ) ROM_END ROM_START( arabiana ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "tvg-87.ic1", 0x0000, 0x2000, CRC(51e9a6b1) SHA1(a2e6beab5380eed56972f5625be21b01c7e2082a) ) ROM_LOAD( "tvg-88.ic2", 0x2000, 0x2000, CRC(1cdcc1ab) SHA1(46886d53cc8a1c1d540fd0e1ddf1811fb256c1f3) ) ROM_LOAD( "tvg-89.ic3", 0x4000, 0x2000, CRC(b7b7faa0) SHA1(719418b7b7c057acb6d3060cf7061ffacf00798c) ) ROM_LOAD( "tvg-90.ic4", 0x6000, 0x2000, CRC(dbded961) SHA1(ecc09fa95f6dd58c4ac0e095a89ffd3aae681da4) ) ROM_REGION( 0x10000, "gfx1", 0 ) ROM_LOAD( "tvg-91.ic84", 0x0000, 0x2000, CRC(c4637822) SHA1(0c73d9a4db925421a535784780ad93bb0f091051) ) ROM_LOAD( "tvg-92.ic85", 0x2000, 0x2000, CRC(f7c6866d) SHA1(34f545c5f7c152cd59f7be0a72105f739852cd6a) ) ROM_LOAD( "tvg-93.ic86", 0x4000, 0x2000, CRC(71acd48d) SHA1(cd0bffed351b14c9aebbfc1d3d4d232a5b91a68f) ) ROM_LOAD( "tvg-94.ic87", 0x6000, 0x2000, CRC(82160b9a) SHA1(03511f6ebcf22ba709a80a565e71acf5bdecbabb) ) ROM_REGION( 0x800, "mcu", 0 ) ROM_LOAD( "sun-8212.ic3", 0x000, 0x800, CRC(8869611e) SHA1(c6443f3bcb0cdb4d7b1b19afcbfe339c300f36aa) ) ROM_END /************************************* * * Game drivers * *************************************/ GAME( 1983, arabian, 0, arabian, arabian, 0, ROT270, "Sun Electronics", "Arabian", GAME_SUPPORTS_SAVE ) GAME( 1983, arabiana, arabian, arabian, arabiana, 0, ROT270, "Sun Electronics (Atari license)", "Arabian (Atari)", GAME_SUPPORTS_SAVE )