diff options
Diffstat (limited to 'src/mame/success/othello.cpp')
-rw-r--r-- | src/mame/success/othello.cpp | 457 |
1 files changed, 457 insertions, 0 deletions
diff --git a/src/mame/success/othello.cpp b/src/mame/success/othello.cpp new file mode 100644 index 00000000000..dd3024c0728 --- /dev/null +++ b/src/mame/success/othello.cpp @@ -0,0 +1,457 @@ +// license:BSD-3-Clause +// 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 soldering pins not populated + + +Todo: +- 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/mcs48/mcs48.h" +#include "cpu/z80/z80.h" +#include "machine/gen_latch.h" +#include "machine/i8243.h" +#include "sound/ay8910.h" +#include "sound/dac.h" +#include "video/mc6845.h" + +#include "emupal.h" +#include "screen.h" +#include "speaker.h" + + +namespace { + +constexpr uint8_t 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_ay(*this, "ay%u", 0U), + m_upd7751(*this, "upd7751"), + m_i8243(*this, "upd7751_8243"), + m_palette(*this, "palette"), + m_soundlatch(*this, "soundlatch"), + m_gfx_data(*this, "gfx"), + m_upd7751_data(*this, "upd7751data") + { } + + void othello(machine_config &config); + +protected: + virtual void machine_start() override ATTR_COLD; + virtual void machine_reset() override ATTR_COLD; + +private: + /* memory pointers */ + required_shared_ptr<uint8_t> m_videoram; + + /* video-related */ + int m_tile_bank = 0; + + /* misc */ + int m_ay_select = 0; + int m_ack_data = 0; + uint8_t m_upd7751_command = 0; + int m_sound_addr = 0; + int m_upd7751_busy = 0; + + /* devices */ + required_device<cpu_device> m_maincpu; + required_device_array<ay8910_device, 2> m_ay; + required_device<upd7751_device> m_upd7751; + required_device<i8243_device> m_i8243; + required_device<palette_device> m_palette; + required_device<generic_latch_8_device> m_soundlatch; + + required_region_ptr<uint8_t> m_gfx_data; + required_region_ptr<uint8_t> m_upd7751_data; + + uint8_t unk_87_r(); + void unk_8a_w(uint8_t data); + void upd7751_command_w(uint8_t data); + uint8_t upd7751_busy_r(); + uint8_t sound_ack_r(); + void unk_8f_w(uint8_t data); + void tilebank_w(uint8_t data); + uint8_t latch_r(); + void ay_select_w(uint8_t data); + void ack_w(uint8_t data); + void ay_address_w(uint8_t data); + void ay_data_w(uint8_t data); + uint8_t upd7751_rom_r(); + uint8_t upd7751_command_r(); + void upd7751_p2_w(uint8_t data); + template<int Shift> void upd7751_rom_addr_w(uint8_t data); + void upd7751_rom_select_w(uint8_t data); + + void othello_palette(palette_device &palette) const; + MC6845_UPDATE_ROW(crtc_update_row); + + void audio_map(address_map &map) ATTR_COLD; + void audio_portmap(address_map &map) ATTR_COLD; + void main_map(address_map &map) ATTR_COLD; + void main_portmap(address_map &map) ATTR_COLD; +}; + + +MC6845_UPDATE_ROW( othello_state::crtc_update_row ) +{ + rgb_t const *const palette = m_palette->palette()->entry_list_raw(); + uint8_t const *const gfx = m_gfx_data; + + for(int cx = 0; cx < x_count; ++cx) + { + uint32_t address = ((m_videoram[ma + cx] + m_tile_bank) << 4) | ra; + uint32_t tile_data = gfx[address] | (gfx[address + 0x2000] << 8) | (gfx[address + 0x4000] << 16); + + for(int x = 0; x < TILE_WIDTH; ++x) + { + bitmap.pix(y, (cx * TILE_WIDTH + x) ^ 1) = palette[tile_data & 0x0f]; + tile_data >>= 4; + } + } +} + +void othello_state::othello_palette(palette_device &palette) const +{ + for (int 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)); +} + +void othello_state::main_map(address_map &map) +{ + map(0x0000, 0x1fff).rom(); + map(0x8000, 0x97ff).noprw(); /* not populated */ + map(0x9800, 0x9fff).ram().share(m_videoram); + map(0xf000, 0xffff).ram(); +} + +uint8_t othello_state::unk_87_r() +{ + // bit 7 = ack/status from device connected to port 8a? + return 0; +} + +void othello_state::unk_8a_w(uint8_t data) +{ + logerror("8a -> %x\n", data); +} + +void othello_state::upd7751_command_w(uint8_t data) +{ + m_upd7751->set_input_line(0, (data & 0x80) ? CLEAR_LINE : ASSERT_LINE); + m_upd7751_command = data; +} + +uint8_t othello_state::upd7751_busy_r() +{ + return m_upd7751_busy; +} + +uint8_t othello_state::sound_ack_r() +{ + return m_ack_data; +} + +void othello_state::unk_8f_w(uint8_t data) +{ + logerror("8f -> %x\n", data); +} + +void othello_state::tilebank_w(uint8_t data) +{ + m_tile_bank = (data == 0x0f) ? 0x100 : 0x00; + logerror("tilebank -> %x\n", data); +} + +void othello_state::main_portmap(address_map &map) +{ + map.global_mask(0xff); + map(0x08, 0x08).w("crtc", FUNC(mc6845_device::address_w)); + map(0x09, 0x09).rw("crtc", FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w)); + map(0x80, 0x80).portr("INP"); + map(0x81, 0x81).portr("SYSTEM"); + map(0x83, 0x83).portr("DSW"); + map(0x86, 0x86).w(FUNC(othello_state::tilebank_w)); + map(0x87, 0x87).r(FUNC(othello_state::unk_87_r)); + map(0x8a, 0x8a).w(FUNC(othello_state::unk_8a_w)); + map(0x8c, 0x8c).rw(FUNC(othello_state::upd7751_busy_r), FUNC(othello_state::upd7751_command_w)); + map(0x8d, 0x8d).r(FUNC(othello_state::sound_ack_r)).w(m_soundlatch, FUNC(generic_latch_8_device::write)); + map(0x8f, 0x8f).w(FUNC(othello_state::unk_8f_w)); +} + +uint8_t othello_state::latch_r() +{ + uint8_t retval = m_soundlatch->read(); + if (!machine().side_effects_disabled()) + m_soundlatch->clear_w(); + + return retval; +} + +void othello_state::ay_select_w(uint8_t data) +{ + m_ay_select = data; +} + +void othello_state::ack_w(uint8_t data) +{ + m_ack_data = data; +} + +void othello_state::ay_address_w(uint8_t data) +{ + if (m_ay_select & 1) m_ay[0]->address_w(data); + if (m_ay_select & 2) m_ay[1]->address_w(data); +} + +void othello_state::ay_data_w(uint8_t data) +{ + if (m_ay_select & 1) m_ay[0]->data_w(data); + if (m_ay_select & 2) m_ay[1]->data_w(data); +} + +void othello_state::audio_map(address_map &map) +{ + map(0x0000, 0x1fff).rom(); + map(0x8000, 0x83ff).ram(); +} + +void othello_state::audio_portmap(address_map &map) +{ + map.global_mask(0xff); + map(0x00, 0x00).r(FUNC(othello_state::latch_r)); + map(0x01, 0x01).w(FUNC(othello_state::ay_data_w)); + map(0x03, 0x03).w(FUNC(othello_state::ay_address_w)); + map(0x04, 0x04).w(FUNC(othello_state::ack_w)); + map(0x08, 0x08).w(FUNC(othello_state::ay_select_w)); +} + +template<int Shift> +void othello_state::upd7751_rom_addr_w(uint8_t data) +{ + // P4 - address lines 0-3 + // P5 - address lines 4-7 + // P6 - address lines 8-11 + m_sound_addr = (m_sound_addr & ~(0x00f << Shift)) | ((data & 0x0f) << Shift); +} + +void othello_state::upd7751_rom_select_w(uint8_t data) +{ + // P7 - ROM selects + 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; +} + +uint8_t othello_state::upd7751_rom_r() +{ + return m_upd7751_data[m_sound_addr]; +} + +uint8_t othello_state::upd7751_command_r() +{ + return m_upd7751_command << 4 | 0x0f; +} + +void othello_state::upd7751_p2_w(uint8_t data) +{ + // write to P2; low 4 bits go to 8243 + m_i8243->p2_w(data & 0x0f); + + // output of bit $80 indicates we are ready (1) or busy (0) + // no other outputs are used + m_upd7751_busy = data & 0x80; +} + +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, 0x00, "Timer (seconds)" ) PORT_DIPLOCATION("SW1:6,7") + PORT_DIPSETTING( 0x60, "4" ) + PORT_DIPSETTING( 0x40, "6" ) + PORT_DIPSETTING( 0x20, "8" ) + PORT_DIPSETTING( 0x00, "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() +{ + save_item(NAME(m_tile_bank)); + save_item(NAME(m_ay_select)); + save_item(NAME(m_ack_data)); + save_item(NAME(m_upd7751_command)); + save_item(NAME(m_sound_addr)); + save_item(NAME(m_upd7751_busy)); +} + +void othello_state::machine_reset() +{ + m_tile_bank = 0; + m_ay_select = 0; + m_ack_data = 0; + m_upd7751_command = 0; + m_sound_addr = 0; + m_upd7751_busy = 0; +} + +void othello_state::othello(machine_config &config) +{ + // basic machine hardware + Z80(config, m_maincpu, 8_MHz_XTAL / 2); + m_maincpu->set_addrmap(AS_PROGRAM, &othello_state::main_map); + m_maincpu->set_addrmap(AS_IO, &othello_state::main_portmap); + m_maincpu->set_vblank_int("screen", FUNC(othello_state::irq0_line_hold)); + + z80_device &audiocpu(Z80(config, "audiocpu", 3.579545_MHz_XTAL / 2)); + audiocpu.set_addrmap(AS_PROGRAM, &othello_state::audio_map); + audiocpu.set_addrmap(AS_IO, &othello_state::audio_portmap); + + UPD7751(config, m_upd7751, 6_MHz_XTAL); + m_upd7751->t1_in_cb().set_constant(0); // labelled as "TEST", connected to ground + m_upd7751->p2_in_cb().set(FUNC(othello_state::upd7751_command_r)); + m_upd7751->bus_in_cb().set(FUNC(othello_state::upd7751_rom_r)); + m_upd7751->p1_out_cb().set("dac", FUNC(dac_byte_interface::data_w)); + m_upd7751->p2_out_cb().set(FUNC(othello_state::upd7751_p2_w)); + m_upd7751->prog_out_cb().set(m_i8243, FUNC(i8243_device::prog_w)); + + config.set_perfect_quantum(m_maincpu); + + I8243(config, m_i8243); + m_i8243->p4_out_cb().set(FUNC(othello_state::upd7751_rom_addr_w<0>)); + m_i8243->p5_out_cb().set(FUNC(othello_state::upd7751_rom_addr_w<4>)); + m_i8243->p6_out_cb().set(FUNC(othello_state::upd7751_rom_addr_w<8>)); + m_i8243->p7_out_cb().set(FUNC(othello_state::upd7751_rom_select_w)); + + // video hardware + screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); + screen.set_refresh_hz(60); + screen.set_vblank_time(ATTOSECONDS_IN_USEC(0)); + screen.set_size(64*6, 64*8); + screen.set_visarea(0*8, 64*6-1, 0*8, 64*8-1); + screen.set_screen_update("crtc", FUNC(hd6845s_device::screen_update)); + + PALETTE(config, m_palette, FUNC(othello_state::othello_palette), 0x10); + + hd6845s_device &crtc(HD6845S(config, "crtc", 1000000 /* ? MHz */)); // HD46505SP @ CPU clock + crtc.set_screen("screen"); + crtc.set_show_border_area(false); + crtc.set_char_width(TILE_WIDTH); + crtc.set_update_row_callback(FUNC(othello_state::crtc_update_row)); + + // sound hardware + SPEAKER(config, "speaker").front_center(); + + GENERIC_LATCH_8(config, m_soundlatch); + + AY8910(config, m_ay[0], 3.579545_MHz_XTAL / 2).add_route(ALL_OUTPUTS, "speaker", 0.25); + AY8910(config, m_ay[1], 3.579545_MHz_XTAL / 2).add_route(ALL_OUTPUTS, "speaker", 0.25); + + DAC_8BIT_R2R(config, "dac").add_route(ALL_OUTPUTS, "speaker", 0.25); // unknown DAC +} + +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, "upd7751", 0 ) // 1k for 7751 onboard ROM + ROM_LOAD( "7751.bin", 0x0000, 0x0400, CRC(6a9534fc) SHA1(67ad94674db5c2aab75785668f610f6f4eccd158) ) + + ROM_REGION( 0x4000, "upd7751data", 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 + +} // anonymous namespace + + +GAME( 1984, othello, 0, othello, othello, othello_state, empty_init, ROT0, "Success", "Othello (version 3.0)", MACHINE_WRONG_COLORS | MACHINE_SUPPORTS_SAVE ) |