diff options
Diffstat (limited to 'src/mame/drivers/othello.cpp')
-rw-r--r-- | src/mame/drivers/othello.cpp | 467 |
1 files changed, 467 insertions, 0 deletions
diff --git a/src/mame/drivers/othello.cpp b/src/mame/drivers/othello.cpp new file mode 100644 index 00000000000..dd5d720ea14 --- /dev/null +++ b/src/mame/drivers/othello.cpp @@ -0,0 +1,467 @@ +// license:LGPL-2.1+ +// copyright-holders:Tomasz Slanina +/* + +Othello (version 3.0) - Success 1984 +------------------------------------- + +driver by Tomasz Slanina + +CPU Board: + D780C - main CPU (Z80) + HD46505SP - CRTC + D780-C - Sound CPU (Z80) + AY-3-8910 x2 - Sound + D7751C - ADPCM "Speech processor" + D8243 - I/O Expander for D7751C (8048 based) + +Video Board: + almost empty - 3/4 sodlering pins not populated + + + +Todo: + +- hook up upd7751c sample player (it works correctly but there's main cpu side write(latch/command) missing) +- correct colors (based on the color DAC (24 resistors) on pcb +- cocktail mode +- map a bunch of unknown read/writes (related to above i think) + +Notes: + +DSw 1:2 +Limit for help/undo (matta): +- when it's off, you can use each of them twice + every time you win and advance to the next game +- when it's on, you can only use them twice throughout the game + +*/ + +#include "emu.h" +#include "cpu/z80/z80.h" +#include "cpu/mcs48/mcs48.h" +#include "machine/i8243.h" +#include "sound/dac.h" +#include "sound/ay8910.h" +#include "video/mc6845.h" + + +#define TILE_WIDTH 6 + + +class othello_state : public driver_device +{ +public: + othello_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_videoram(*this, "videoram"), + m_maincpu(*this, "maincpu"), + m_ay1(*this, "ay1"), + m_ay2(*this, "ay2"), + m_palette(*this, "palette") + { + } + + /* memory pointers */ + required_shared_ptr<UINT8> m_videoram; + + /* video-related */ + int m_tile_bank; + + /* misc */ + int m_ay_select; + int m_ack_data; + UINT8 m_n7751_command; +// UINT32 m_n7751_rom_address; + int m_sound_addr; + int m_n7751_busy; + + /* devices */ + required_device<cpu_device> m_maincpu; + required_device<ay8910_device> m_ay1; + required_device<ay8910_device> m_ay2; + mc6845_device *m_mc6845; + device_t *m_n7751; + required_device<palette_device> m_palette; + + DECLARE_READ8_MEMBER(unk_87_r); + DECLARE_WRITE8_MEMBER(unk_8a_w); + DECLARE_WRITE8_MEMBER(unk_8c_w); + DECLARE_READ8_MEMBER(unk_8c_r); + DECLARE_READ8_MEMBER(sound_ack_r); + DECLARE_WRITE8_MEMBER(unk_8f_w); + DECLARE_WRITE8_MEMBER(tilebank_w); + DECLARE_READ8_MEMBER(latch_r); + DECLARE_WRITE8_MEMBER(ay_select_w); + DECLARE_WRITE8_MEMBER(ack_w); + DECLARE_WRITE8_MEMBER(ay_address_w); + DECLARE_WRITE8_MEMBER(ay_data_w); + DECLARE_READ8_MEMBER(n7751_rom_r); + DECLARE_READ8_MEMBER(n7751_command_r); + DECLARE_READ8_MEMBER(n7751_t1_r); + DECLARE_WRITE8_MEMBER(n7751_p2_w); + DECLARE_WRITE8_MEMBER(n7751_rom_control_w); + virtual void machine_start(); + virtual void machine_reset(); + DECLARE_PALETTE_INIT(othello); + MC6845_UPDATE_ROW(crtc_update_row); +}; + + +MC6845_UPDATE_ROW( othello_state::crtc_update_row ) +{ + const rgb_t *palette = m_palette->palette()->entry_list_raw(); + int cx, x; + UINT32 data_address; + UINT32 tmp; + + const UINT8 *gfx = memregion("gfx")->base(); + + for(cx = 0; cx < x_count; ++cx) + { + data_address = ((m_videoram[ma + cx] + m_tile_bank) << 4) | ra; + tmp = gfx[data_address] | (gfx[data_address + 0x2000] << 8) | (gfx[data_address + 0x4000] << 16); + + for(x = 0; x < TILE_WIDTH; ++x) + { + bitmap.pix32(y, (cx * TILE_WIDTH + x) ^ 1) = palette[tmp & 0x0f]; + tmp >>= 4; + } + } +} + +PALETTE_INIT_MEMBER(othello_state, othello) +{ + int i; + for (i = 0; i < palette.entries(); i++) + { + palette.set_pen_color(i, rgb_t(0xff, 0x00, 0xff)); + } + + /* only colors 2,3,7,9,c,d,f are used */ + palette.set_pen_color(0x02, rgb_t(0x00, 0xff, 0x00)); + palette.set_pen_color(0x03, rgb_t(0xff, 0x7f, 0x00)); + palette.set_pen_color(0x07, rgb_t(0x00, 0x00, 0x00)); + palette.set_pen_color(0x09, rgb_t(0xff, 0x00, 0x00)); + palette.set_pen_color(0x0c, rgb_t(0x00, 0x00, 0xff)); + palette.set_pen_color(0x0d, rgb_t(0x7f, 0x7f, 0x00)); + palette.set_pen_color(0x0f, rgb_t(0xff, 0xff, 0xff)); +} + +static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8, othello_state ) + AM_RANGE(0x0000, 0x1fff) AM_ROM + AM_RANGE(0x8000, 0x97ff) AM_NOP /* not populated */ + AM_RANGE(0x9800, 0x9fff) AM_RAM AM_SHARE("videoram") + AM_RANGE(0xf000, 0xffff) AM_RAM +ADDRESS_MAP_END + +READ8_MEMBER(othello_state::unk_87_r) +{ + /* n7751_status_r ? bit 7 = ack/status from device connected to port 8a? */ + return machine().rand(); +} + +WRITE8_MEMBER(othello_state::unk_8a_w) +{ + /* + + + m_n7751_command = (data & 0x07); + m_n7751->set_input_line(0, ((data & 0x08) == 0) ? ASSERT_LINE : CLEAR_LINE); + //m_n7751->set_input_line(0, (data & 0x02) ? CLEAR_LINE : ASSERT_LINE); + machine().scheduler().boost_interleave(attotime::zero, attotime::from_usec(100)); + */ + + logerror("8a -> %x\n", data); +} + +WRITE8_MEMBER(othello_state::unk_8c_w) +{ + logerror("8c -> %x\n", data); +} + +READ8_MEMBER(othello_state::unk_8c_r) +{ + return machine().rand(); +} + +READ8_MEMBER(othello_state::sound_ack_r) +{ + return m_ack_data; +} + +WRITE8_MEMBER(othello_state::unk_8f_w) +{ + logerror("8f -> %x\n", data); +} + +WRITE8_MEMBER(othello_state::tilebank_w) +{ + m_tile_bank = (data == 0x0f) ? 0x100 : 0x00; + logerror("tilebank -> %x\n", data); +} + +static ADDRESS_MAP_START( main_portmap, AS_IO, 8, othello_state ) + ADDRESS_MAP_GLOBAL_MASK(0xff) + AM_RANGE(0x08, 0x08) AM_DEVWRITE("crtc", mc6845_device, address_w) + AM_RANGE(0x09, 0x09) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w) + AM_RANGE(0x80, 0x80) AM_READ_PORT("INP") + AM_RANGE(0x81, 0x81) AM_READ_PORT("SYSTEM") + AM_RANGE(0x83, 0x83) AM_READ_PORT("DSW") + AM_RANGE(0x86, 0x86) AM_WRITE(tilebank_w) + AM_RANGE(0x87, 0x87) AM_READ(unk_87_r) + AM_RANGE(0x8a, 0x8a) AM_WRITE(unk_8a_w) + AM_RANGE(0x8c, 0x8c) AM_READWRITE(unk_8c_r, unk_8c_w) + AM_RANGE(0x8d, 0x8d) AM_READWRITE(sound_ack_r, soundlatch_byte_w) + AM_RANGE(0x8f, 0x8f) AM_WRITE(unk_8f_w) +ADDRESS_MAP_END + +READ8_MEMBER(othello_state::latch_r) +{ + int retval = soundlatch_byte_r(space, 0); + soundlatch_clear_byte_w(space, 0, 0); + return retval; +} + +WRITE8_MEMBER(othello_state::ay_select_w) +{ + m_ay_select = data; +} + +WRITE8_MEMBER(othello_state::ack_w) +{ + m_ack_data = data; +} + +WRITE8_MEMBER(othello_state::ay_address_w) +{ + if (m_ay_select & 1) m_ay1->address_w(space, 0, data); + if (m_ay_select & 2) m_ay2->address_w(space, 0, data); +} + +WRITE8_MEMBER(othello_state::ay_data_w) +{ + if (m_ay_select & 1) m_ay1->data_w(space, 0, data); + if (m_ay_select & 2) m_ay2->data_w(space, 0, data); +} + +static ADDRESS_MAP_START( audio_map, AS_PROGRAM, 8, othello_state ) + AM_RANGE(0x0000, 0x1fff) AM_ROM + AM_RANGE(0x8000, 0x83ff) AM_RAM +ADDRESS_MAP_END + +static ADDRESS_MAP_START( audio_portmap, AS_IO, 8, othello_state ) + ADDRESS_MAP_GLOBAL_MASK(0xff) + AM_RANGE(0x00, 0x00) AM_READ(latch_r) + AM_RANGE(0x01, 0x01) AM_WRITE(ay_data_w) + AM_RANGE(0x03, 0x03) AM_WRITE(ay_address_w) + AM_RANGE(0x04, 0x04) AM_WRITE(ack_w) + AM_RANGE(0x08, 0x08) AM_WRITE(ay_select_w) +ADDRESS_MAP_END + +WRITE8_MEMBER(othello_state::n7751_rom_control_w) +{ + /* P4 - address lines 0-3 */ + /* P5 - address lines 4-7 */ + /* P6 - address lines 8-11 */ + /* P7 - ROM selects */ + switch (offset) + { + case 0: + m_sound_addr = (m_sound_addr & ~0x00f) | ((data & 0x0f) << 0); + break; + + case 1: + m_sound_addr = (m_sound_addr & ~0x0f0) | ((data & 0x0f) << 4); + break; + + case 2: + m_sound_addr = (m_sound_addr & ~0xf00) | ((data & 0x0f) << 8); + break; + + case 3: + m_sound_addr &= 0xfff; + { + if (!BIT(data, 0)) m_sound_addr |= 0x0000; + if (!BIT(data, 1)) m_sound_addr |= 0x1000; + if (!BIT(data, 2)) m_sound_addr |= 0x2000; + if (!BIT(data, 3)) m_sound_addr |= 0x3000; + } + break; + } +} + +READ8_MEMBER(othello_state::n7751_rom_r) +{ + return memregion("n7751data")->base()[m_sound_addr]; +} + +READ8_MEMBER(othello_state::n7751_command_r) +{ + return 0x80 | ((m_n7751_command & 0x07) << 4); +} + +WRITE8_MEMBER(othello_state::n7751_p2_w) +{ + i8243_device *device = machine().device<i8243_device>("n7751_8243"); + + /* write to P2; low 4 bits go to 8243 */ + device->i8243_p2_w(space, offset, data & 0x0f); + + /* output of bit $80 indicates we are ready (1) or busy (0) */ + /* no other outputs are used */ + m_n7751_busy = data; +} + +READ8_MEMBER(othello_state::n7751_t1_r) +{ + /* T1 - labelled as "TEST", connected to ground */ + return 0; +} + +static ADDRESS_MAP_START( n7751_portmap, AS_IO, 8, othello_state ) + AM_RANGE(MCS48_PORT_T1, MCS48_PORT_T1) AM_READ(n7751_t1_r) + AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_READ(n7751_command_r) + AM_RANGE(MCS48_PORT_BUS, MCS48_PORT_BUS) AM_READ(n7751_rom_r) + AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_DEVWRITE("dac", dac_device, write_unsigned8) + AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_WRITE(n7751_p2_w) + AM_RANGE(MCS48_PORT_PROG, MCS48_PORT_PROG) AM_DEVWRITE("n7751_8243", i8243_device, i8243_prog_w) +ADDRESS_MAP_END + +static INPUT_PORTS_START( othello ) + PORT_START("DSW") + PORT_DIPNAME( 0x01, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW1:1") + PORT_DIPSETTING( 0x00, DEF_STR( Upright ) ) + PORT_DIPSETTING( 0x01, DEF_STR( Cocktail ) ) + PORT_DIPNAME( 0x06, 0x06, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW1:2,3") + PORT_DIPSETTING( 0x00, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x02, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x06, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x04, DEF_STR( 1C_2C ) ) + PORT_DIPNAME( 0x08, 0x00, "Limit for Matta" ) PORT_DIPLOCATION("SW1:4") + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_DIPLOCATION("SW1:5") /* stored at $fd1e */ + PORT_DIPNAME( 0x60, 0x60, "Timer (seconds)" ) PORT_DIPLOCATION("SW1:6,7") + PORT_DIPSETTING( 0x00, "4" ) + PORT_DIPSETTING( 0x20, "6" ) + PORT_DIPSETTING( 0x40, "8" ) + PORT_DIPSETTING( 0x60, "10" ) + PORT_DIPNAME( 0x80, 0x00, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW1:8") + PORT_DIPSETTING( 0x00, DEF_STR( Easy ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Hard ) ) + + PORT_START("INP") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) + + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) + + PORT_START("SYSTEM") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN2 ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START2 ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) + +INPUT_PORTS_END + +void othello_state::machine_start() +{ + m_mc6845 = machine().device<mc6845_device>("crtc"); + m_n7751 = machine().device("n7751"); + + save_item(NAME(m_tile_bank)); + save_item(NAME(m_ay_select)); + save_item(NAME(m_ack_data)); + save_item(NAME(m_n7751_command)); + save_item(NAME(m_sound_addr)); + save_item(NAME(m_n7751_busy)); +} + +void othello_state::machine_reset() +{ + m_tile_bank = 0; + m_ay_select = 0; + m_ack_data = 0; + m_n7751_command = 0; + m_sound_addr = 0; + m_n7751_busy = 0; +} + +static MACHINE_CONFIG_START( othello, othello_state ) + + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu",Z80,XTAL_8MHz/2) + MCFG_CPU_PROGRAM_MAP(main_map) + MCFG_CPU_IO_MAP(main_portmap) + MCFG_CPU_VBLANK_INT_DRIVER("screen", othello_state, irq0_line_hold) + + MCFG_CPU_ADD("audiocpu",Z80,XTAL_3_579545MHz) + MCFG_CPU_PROGRAM_MAP(audio_map) + MCFG_CPU_IO_MAP(audio_portmap) + + MCFG_CPU_ADD("n7751", N7751, XTAL_6MHz) + MCFG_CPU_IO_MAP(n7751_portmap) + + MCFG_I8243_ADD("n7751_8243", NOOP, WRITE8(othello_state,n7751_rom_control_w)) + + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(60) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) + MCFG_SCREEN_SIZE(64*6, 64*8) + MCFG_SCREEN_VISIBLE_AREA(0*8, 64*6-1, 0*8, 64*8-1) + MCFG_SCREEN_UPDATE_DEVICE("crtc", h46505_device, screen_update) + + MCFG_PALETTE_ADD("palette", 0x10) + MCFG_PALETTE_INIT_OWNER(othello_state, othello) + + MCFG_MC6845_ADD("crtc", H46505, "screen", 1000000 /* ? MHz */) /* H46505 @ CPU clock */ + MCFG_MC6845_SHOW_BORDER_AREA(false) + MCFG_MC6845_CHAR_WIDTH(TILE_WIDTH) + MCFG_MC6845_UPDATE_ROW_CB(othello_state, crtc_update_row) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + + MCFG_SOUND_ADD("ay1", AY8910, 2000000) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.15) + + MCFG_SOUND_ADD("ay2", AY8910, 2000000) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.15) + + MCFG_DAC_ADD("dac") + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.60) +MACHINE_CONFIG_END + +ROM_START( othello ) + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD( "4.ic59", 0x0000, 0x2000, CRC(9f82fe14) SHA1(59600264ccce787383827fc5aa0f2c23728f6946)) + + ROM_REGION( 0x10000, "audiocpu", 0 ) + ROM_LOAD( "3.ic32", 0x0000, 0x2000, CRC(2bb4f75d) SHA1(29a659031acf0d50f374f440b8d353bcf98145a0)) + + ROM_REGION( 0x1000, "n7751", 0 ) /* 4k for 7751 onboard ROM */ + ROM_LOAD( "7751.bin", 0x0000, 0x0400, CRC(6a9534fc) SHA1(67ad94674db5c2aab75785668f610f6f4eccd158) ) + + ROM_REGION( 0x4000, "n7751data", 0 ) /* 7751 sound data */ + ROM_LOAD( "1.ic48", 0x0000, 0x2000, CRC(c3807dea) SHA1(d6339380e1239f3e20bcca2fbc673ad72e9ca608)) + ROM_LOAD( "2.ic49", 0x2000, 0x2000, CRC(a945f3e7) SHA1(ea18efc18fda63ce1747287bbe2a9704b08daff8)) + + ROM_REGION( 0x6000, "gfx", 0 ) + ROM_LOAD( "5.ic40", 0x0000, 0x2000, CRC(45fdc1ab) SHA1(f30f6002e3f34a647effac8b0116c8ed064e226a)) + ROM_LOAD( "6.ic41", 0x2000, 0x2000, CRC(467a731f) SHA1(af80e854522e53fb1b9af7945b2c803a654c6f65)) + ROM_LOAD( "7.ic42", 0x4000, 0x2000, CRC(a76705f7) SHA1(b7d2a65d65d065732ddd0b3b738749369b382b48)) +ROM_END + +GAME( 1984, othello, 0, othello, othello, driver_device, 0, ROT0, "Success", "Othello (version 3.0)", MACHINE_WRONG_COLORS | MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE ) |