diff options
Diffstat (limited to 'src/mame/drivers/sc2.c')
-rw-r--r-- | src/mame/drivers/sc2.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/src/mame/drivers/sc2.c b/src/mame/drivers/sc2.c new file mode 100644 index 00000000000..2eb3455c1f7 --- /dev/null +++ b/src/mame/drivers/sc2.c @@ -0,0 +1,238 @@ +// license:BSD-3-Clause +// copyright-holders:Sandro Ronco +/*************************************************************************** + + Schachcomputer SC2 + + Note: + The HW is very similar to Fidelity Chess Challenger series (see fidelz80.c) + + 12/05/2009 Skeleton driver. + +****************************************************************************/ + +#include "emu.h" +#include "cpu/z80/z80.h" +#include "machine/z80pio.h" +#include "sound/beep.h" +#include "sc2.lh" + +class sc2_state : public driver_device +{ +public: + sc2_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_beep(*this, "beeper") + , + m_maincpu(*this, "maincpu") { } + + required_device<beep_device> m_beep; + DECLARE_READ8_MEMBER(pio_port_a_r); + DECLARE_READ8_MEMBER(pio_port_b_r); + DECLARE_WRITE8_MEMBER(pio_port_a_w); + DECLARE_WRITE8_MEMBER(pio_port_b_w); + DECLARE_READ8_MEMBER(sc2_beep); + UINT8 m_kp_matrix; + UINT8 m_led_7seg_data[4]; + UINT8 m_led_selected; + UINT8 m_digit_data; + UINT8 m_beep_state; + void sc2_update_display(); + virtual void machine_start(); + virtual void machine_reset(); + required_device<cpu_device> m_maincpu; +}; + +READ8_MEMBER( sc2_state::sc2_beep ) +{ + //if (!space.debugger_access()) + { + m_beep_state = ~m_beep_state; + + m_beep->set_state(m_beep_state); + } + + return 0xff; +} + +static ADDRESS_MAP_START(sc2_mem, AS_PROGRAM, 8, sc2_state) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE( 0x0000, 0x0fff ) AM_ROM + AM_RANGE( 0x1000, 0x13ff ) AM_RAM + AM_RANGE( 0x2000, 0x33ff ) AM_ROM + AM_RANGE( 0x3c00, 0x3c00 ) AM_READ(sc2_beep) +ADDRESS_MAP_END + +static ADDRESS_MAP_START(sc2_io, AS_IO, 8, sc2_state) + ADDRESS_MAP_UNMAP_HIGH + ADDRESS_MAP_GLOBAL_MASK(0xff) + AM_RANGE(0x00, 0x03) AM_MIRROR(0xfc) AM_DEVREADWRITE("z80pio", z80pio_device, read, write) +ADDRESS_MAP_END + +/* Input ports */ +static INPUT_PORTS_START( sc2 ) + PORT_START("LINE1") + PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_UNUSED + PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("T") PORT_CODE(KEYCODE_T) + PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("L") PORT_CODE(KEYCODE_L) + PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) + + PORT_START("LINE2") + PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("A1") PORT_CODE(KEYCODE_1) + PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("B2") PORT_CODE(KEYCODE_2) + PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("C3") PORT_CODE(KEYCODE_3) + PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("D4") PORT_CODE(KEYCODE_4) + + PORT_START("LINE3") + PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("E5") PORT_CODE(KEYCODE_5) + PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("F6") PORT_CODE(KEYCODE_6) + PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("G7") PORT_CODE(KEYCODE_7) + PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("H8") PORT_CODE(KEYCODE_8) + + PORT_START("LINE4") + PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("K") PORT_CODE(KEYCODE_K) + PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("W") PORT_CODE(KEYCODE_W) + PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("R") PORT_CODE(KEYCODE_R) + PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("P") PORT_CODE(KEYCODE_O) +INPUT_PORTS_END + +void sc2_state::machine_start() +{ + save_item(NAME(m_led_7seg_data)); + save_item(NAME(m_kp_matrix)); + save_item(NAME(m_led_selected)); + save_item(NAME(m_digit_data)); + save_item(NAME(m_beep_state)); +} + +void sc2_state::machine_reset() +{ + m_kp_matrix = 0; + m_led_selected = 0; + m_digit_data = 0; + m_beep_state = 0; + memset(m_led_7seg_data, 0, ARRAY_LENGTH(m_led_7seg_data)); +} + +void sc2_state::sc2_update_display() +{ + UINT8 digit_data = BITSWAP8( m_digit_data,7,0,1,2,3,4,5,6 ) & 0x7f; + + if (!BIT(m_led_selected, 0)) + { + output_set_digit_value(0, digit_data); + m_led_7seg_data[0] = digit_data; + + output_set_led_value(0, BIT(m_digit_data, 7)); + } + + if (!BIT(m_led_selected, 1)) + { + output_set_digit_value(1, digit_data); + m_led_7seg_data[1] = digit_data; + + output_set_led_value(1, BIT(m_digit_data, 7)); + } + + if (!BIT(m_led_selected, 2)) + { + output_set_digit_value(2, digit_data); + m_led_7seg_data[2] = digit_data; + } + + if (!BIT(m_led_selected, 3)) + { + output_set_digit_value(3, digit_data); + m_led_7seg_data[3] = digit_data; + } +} + +READ8_MEMBER( sc2_state::pio_port_a_r ) +{ + return m_digit_data; +} + +READ8_MEMBER( sc2_state::pio_port_b_r ) +{ + UINT8 data = m_led_selected & 0x0f; + + if (BIT(m_kp_matrix, 0)) + { + data |= ioport("LINE1")->read(); + } + + if (BIT(m_kp_matrix, 1)) + { + data |= ioport("LINE2")->read(); + } + + if (BIT(m_kp_matrix, 2)) + { + data |= ioport("LINE3")->read(); + } + + if (BIT(m_kp_matrix, 3)) + { + data |= ioport("LINE4")->read(); + } + + return data; +} + +WRITE8_MEMBER( sc2_state::pio_port_a_w ) +{ + m_digit_data = data; +} + +WRITE8_MEMBER( sc2_state::pio_port_b_w ) +{ + if (data != 0xf1 && data != 0xf2 && data != 0xf4 && data != 0xf8) + { + m_led_selected = data; + sc2_update_display(); + } + else + m_kp_matrix = data; +} + +static MACHINE_CONFIG_START( sc2, sc2_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz) + MCFG_CPU_PROGRAM_MAP(sc2_mem) + MCFG_CPU_IO_MAP(sc2_io) + + + /* video hardware */ + MCFG_DEFAULT_LAYOUT(layout_sc2) + + /* devices */ + MCFG_DEVICE_ADD("z80pio", Z80PIO, XTAL_4MHz) + MCFG_Z80PIO_IN_PA_CB(READ8(sc2_state, pio_port_a_r)) + MCFG_Z80PIO_OUT_PA_CB(WRITE8(sc2_state, pio_port_a_w)) + MCFG_Z80PIO_IN_PB_CB(READ8(sc2_state, pio_port_b_r)) + MCFG_Z80PIO_OUT_PB_CB(WRITE8(sc2_state, pio_port_b_w)) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO( "mono" ) + MCFG_SOUND_ADD( "beeper", BEEP, 0 ) + MCFG_SOUND_ROUTE( ALL_OUTPUTS, "mono", 0.50 ) +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( sc2 ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_LOAD( "bm008.bin", 0x0000, 0x0400, CRC(3023ea82) SHA1(07020d153d802c672c39e1af3c716dbe35e23f08)) + ROM_LOAD( "bm009.bin", 0x0400, 0x0400, CRC(6a34814e) SHA1(e58ae6615297b028db135a48a8f9e186a4220f4f)) + ROM_LOAD( "bm010.bin", 0x0800, 0x0400, CRC(deab0373) SHA1(81c9a7197eef8d9131e47ecd2ec35b943caee54e)) + ROM_LOAD( "bm011.bin", 0x0c00, 0x0400, CRC(c8282339) SHA1(8d6b8861281e967a77609b6d77e80afd47d28ed2)) + ROM_LOAD( "bm012.bin", 0x2000, 0x0400, CRC(2e6a4294) SHA1(7b9bd191c9ec73139a65c3a339ab88e1f3eb5ed2)) + ROM_LOAD( "bm013.bin", 0x2400, 0x0400, CRC(3e02eb42) SHA1(2e4a9a8fd04c202c9518550d7e8cf9bfea394153)) + ROM_LOAD( "bm014.bin", 0x2800, 0x0400, CRC(538d449e) SHA1(c4186995b69e97740e01eaff84a20d49d03d180f)) + ROM_LOAD( "bm015.bin", 0x2c00, 0x0400, CRC(b4991dca) SHA1(6a6cdddf5c4afa24773acf693f58c34b99c8d328)) + ROM_LOAD( "bm016.bin", 0x3000, 0x0400, CRC(4fe0853a) SHA1(c2253e320778b0ea468fb54f26ae83d07f9700e6)) +ROM_END + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 1981, sc2, 0, 0, sc2, sc2, driver_device, 0, "VEB Mikroelektronik Erfurt", "Schachcomputer SC2", MACHINE_SUPPORTS_SAVE) |