// license:GPL-2.0+ // copyright-holders:Felipe Sanches /************************************************************************* This is a driver for a gambling board with a yet unknown name. The PCB is labeled with: WU- MARY-1A And there's a text string in the ROM that says: "Music by: SunKiss Chen" Driver by Felipe Sanches TODO: * Figure out where exactly all devices are mapped to (the devices are 2 sound chips, the 2kb SRAM, the 8bit dipswitches, 31 LEDs, 13 modules of double-digit 7-seg displays and 4 push-buttons). * we may also have user inputs from the coin slot and from the cabinet buttons, for making bets. **************************************************************************/ #include "emu.h" #include "cpu/mcs51/mcs51.h" #include "machine/i8279.h" #include "sound/ay8910.h" #include "speaker.h" #include "marywu.lh" class marywu_state : public driver_device { public: marywu_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_digits(*this, "digit%u", 0U) , m_leds(*this, "led%u", 0U) { } void marywu(machine_config &config); private: DECLARE_WRITE8_MEMBER(display_7seg_data_w); DECLARE_WRITE8_MEMBER(multiplex_7seg_w); DECLARE_WRITE8_MEMBER(ay1_port_a_w); DECLARE_WRITE8_MEMBER(ay1_port_b_w); DECLARE_WRITE8_MEMBER(ay2_port_a_w); DECLARE_WRITE8_MEMBER(ay2_port_b_w); DECLARE_READ8_MEMBER(keyboard_r); void io_map(address_map &map); void program_map(address_map &map); uint8_t m_selected_7seg_module; virtual void machine_start() override; output_finder<32> m_digits; output_finder<30> m_leds; }; static INPUT_PORTS_START( marywu ) PORT_START("KEYS1") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_START("KEYS2") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_START("DSW") PORT_DIPNAME( 0x01, 0x01, "Unknown bit #0" ) PORT_DIPLOCATION("DSW:1") PORT_DIPSETTING(0x01, DEF_STR( On ) ) PORT_DIPSETTING(0x00, DEF_STR( Off ) ) PORT_DIPNAME( 0x02, 0x02, "Unknown bit #1" ) PORT_DIPLOCATION("DSW:2") PORT_DIPSETTING(0x02, DEF_STR( On ) ) PORT_DIPSETTING(0x00, DEF_STR( Off ) ) PORT_DIPNAME( 0x04, 0x04, "Unknown bit #2" ) PORT_DIPLOCATION("DSW:3") PORT_DIPSETTING(0x04, DEF_STR( On ) ) PORT_DIPSETTING(0x00, DEF_STR( Off ) ) PORT_DIPNAME( 0x08, 0x08, "Unknown bit #3" ) PORT_DIPLOCATION("DSW:4") PORT_DIPSETTING(0x08, DEF_STR( On ) ) PORT_DIPSETTING(0x00, DEF_STR( Off ) ) PORT_DIPNAME( 0x10, 0x10, "Unknown bit #4" ) PORT_DIPLOCATION("DSW:5") PORT_DIPSETTING(0x10, DEF_STR( On ) ) PORT_DIPSETTING(0x00, DEF_STR( Off ) ) PORT_DIPNAME( 0x20, 0x20, "Unknown bit #5" ) PORT_DIPLOCATION("DSW:6") PORT_DIPSETTING(0x20, DEF_STR( On ) ) PORT_DIPSETTING(0x00, DEF_STR( Off ) ) PORT_DIPNAME( 0x40, 0x40, "Unknown bit #6" ) PORT_DIPLOCATION("DSW:7") PORT_DIPSETTING(0x40, DEF_STR( On ) ) PORT_DIPSETTING(0x00, DEF_STR( Off ) ) PORT_DIPNAME( 0x80, 0x80, "Unknown bit #7" ) PORT_DIPLOCATION("DSW:8") PORT_DIPSETTING(0x80, DEF_STR( On ) ) PORT_DIPSETTING(0x00, DEF_STR( Off ) ) PORT_START("PUSHBUTTONS") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) INPUT_PORTS_END WRITE8_MEMBER( marywu_state::ay1_port_a_w ) { for (uint8_t i=0; i<8; i++){ m_leds[i] = BIT(data, i); } } WRITE8_MEMBER( marywu_state::ay1_port_b_w ) { for (uint8_t i=0; i<8; i++){ m_leds[i+8] = BIT(data, i); } } WRITE8_MEMBER( marywu_state::ay2_port_a_w ) { for (uint8_t i=0; i<8; i++){ m_leds[i+16] = BIT(data, i); } } WRITE8_MEMBER( marywu_state::ay2_port_b_w ) { for (uint8_t i=0; i<6; i++){ /* we only have 30 LEDs. The last 2 bits in this port are unused. */ m_leds[i+24] = BIT(data, i); } } WRITE8_MEMBER( marywu_state::multiplex_7seg_w ) { m_selected_7seg_module = data; } READ8_MEMBER( marywu_state::keyboard_r ) { switch(m_selected_7seg_module % 8){ case 0: return ioport("KEYS1")->read(); case 1: return ioport("KEYS2")->read(); case 2: return ioport("DSW")->read(); case 3: return ioport("PUSHBUTTONS")->read(); default: return 0x00; } } WRITE8_MEMBER( marywu_state::display_7seg_data_w ) { static const uint8_t patterns[16] = { 0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7c, 0x07, 0x7f, 0x67, 0, 0, 0, 0, 0, 0 }; // HEF4511BP (7 seg display driver) m_digits[2 * m_selected_7seg_module + 0] = patterns[data & 0x0F]; m_digits[2 * m_selected_7seg_module + 1] = patterns[data >> 4]; } void marywu_state::program_map(address_map &map) { map(0x0000, 0x7fff).rom(); } void marywu_state::io_map(address_map &map) { map(0x8000, 0x87ff).mirror(0x0800).ram(); /* HM6116: 2kbytes of Static RAM */ map(0x9000, 0x9000).mirror(0x0ffc).w("ay1", FUNC(ay8910_device::data_address_w)); map(0x9001, 0x9001).mirror(0x0ffc).rw("ay1", FUNC(ay8910_device::data_r), FUNC(ay8910_device::data_w)); map(0x9002, 0x9002).mirror(0x0ffc).w("ay2", FUNC(ay8910_device::data_address_w)); map(0x9003, 0x9003).mirror(0x0ffc).rw("ay2", FUNC(ay8910_device::data_r), FUNC(ay8910_device::data_w)); map(0xb000, 0xb001).mirror(0x0ffe).rw("i8279", FUNC(i8279_device::read), FUNC(i8279_device::write)); map(0xf000, 0xf000).noprw(); /* TODO: Investigate this. There's something going on at this address range. */ } void marywu_state::machine_start() { m_digits.resolve(); m_leds.resolve(); } void marywu_state::marywu(machine_config &config) { /* basic machine hardware */ i80c31_device &maincpu(I80C31(config, "maincpu", XTAL(10'738'635))); //actual CPU is a Winbond w78c31b-24 maincpu.set_addrmap(AS_PROGRAM, &marywu_state::program_map); maincpu.set_addrmap(AS_IO, &marywu_state::io_map); //TODO: figure out what each bit is mapped to in the 80c31 ports P1 and P3 /* Keyboard & display interface */ i8279_device &kbdc(I8279(config, "i8279", XTAL(10'738'635))); // should it be perhaps a fraction of the XTAL clock ? kbdc.out_sl_callback().set(FUNC(marywu_state::multiplex_7seg_w)); // select block of 7seg modules by multiplexing the SL scan lines kbdc.in_rl_callback().set(FUNC(marywu_state::keyboard_r)); // keyboard Return Lines kbdc.out_disp_callback().set(FUNC(marywu_state::display_7seg_data_w)); /* Video */ config.set_default_layout(layout_marywu); /* sound hardware */ SPEAKER(config, "mono").front_center(); ay8910_device &ay1(AY8910(config, "ay1", XTAL(10'738'635))); /* should it be perhaps a fraction of the XTAL clock ? */ ay1.add_route(ALL_OUTPUTS, "mono", 0.50); ay1.port_a_write_callback().set(FUNC(marywu_state::ay1_port_a_w)); ay1.port_b_write_callback().set(FUNC(marywu_state::ay1_port_b_w)); ay8910_device &ay2(AY8910(config, "ay2", XTAL(10'738'635))); /* should it be perhaps a fraction of the XTAL clock ? */ ay2.add_route(ALL_OUTPUTS, "mono", 0.50); ay2.port_a_write_callback().set(FUNC(marywu_state::ay2_port_a_w)); ay2.port_b_write_callback().set(FUNC(marywu_state::ay2_port_b_w)); } ROM_START( marywu ) ROM_REGION( 0x8000, "maincpu", 0 ) ROM_LOAD( "marywu_sunkiss_chen.rom", 0x0000, 0x8000, CRC(11f67c7d) SHA1(9c1fd1a5cc6e2b0d675f0217aa8ff21c30609a0c) ) ROM_END // YEAR NAME PARENT MACHINE INPUT STATE INIT ROT COMPANY FULLNAME FLAGS GAME( ????, marywu, 0, marywu, marywu, marywu_state, empty_init, ROT0, "", "unknown Labeled 'WU- MARY-1A' Music by: SunKiss Chen", MACHINE_NOT_WORKING )