diff options
Diffstat (limited to 'src/mess/drivers/sc1.c')
-rw-r--r-- | src/mess/drivers/sc1.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/src/mess/drivers/sc1.c b/src/mess/drivers/sc1.c deleted file mode 100644 index 18a8d05dda4..00000000000 --- a/src/mess/drivers/sc1.c +++ /dev/null @@ -1,200 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Sandro Ronco -/*************************************************************************** - - Schachcomputer SC1 - - 12/05/2009 Skeleton driver. - -ToDo: -- speaker -- LEDs -- 7seg sometimes flashes - -Port 80-83 could be a device - -This happens at the start: -'maincpu' (04EF): unmapped i/o memory write to 0081 = 0F & FF -'maincpu' (04F3): unmapped i/o memory write to 0083 = CF & FF -'maincpu' (04F7): unmapped i/o memory write to 0083 = BB & FF -'maincpu' (04FB): unmapped i/o memory write to 0082 = 01 & FF -'maincpu' (0523): unmapped i/o memory write to 00FC = 02 & FF ** -'maincpu' (0523): unmapped i/o memory write to 00FC = 04 & FF ** - -** These two happen for a while (making a tone from a speaker?) - -Then: -'maincpu' (0523): unmapped i/o memory write to 00FC = 00 & FF -'maincpu' (0075): unmapped i/o memory write to 0080 = 02 & FF -'maincpu' (0523): unmapped i/o memory write to 00FC = 20 & FF - -Then this happens continuously: -Port 80 out - 00, 02, FF -Port FC out - 00, 01, 02, 04, 08, 10, 20, 40, 80 (selecting rows?) -Port 80 in - upper byte = 20 thru 26 -Port 82 in - upper byte = 0 thru 7 - -****************************************************************************/ - -#include "emu.h" -#include "cpu/z80/z80.h" -#include "sound/speaker.h" -#include "machine/z80pio.h" -#include "sc1.lh" - - -class sc1_state : public driver_device -{ -public: - sc1_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_speaker(*this, "speaker") - { } - - required_device<cpu_device> m_maincpu; - required_device<speaker_sound_device> m_speaker; - - DECLARE_WRITE8_MEMBER( matrix_w ); - DECLARE_WRITE8_MEMBER( pio_port_a_w ); - DECLARE_READ8_MEMBER( pio_port_b_r ); - - UINT8 m_matrix; -}; - -/*************************************************************************** - - Display - -***************************************************************************/ - -WRITE8_MEMBER( sc1_state::pio_port_a_w ) -{ - UINT8 digit = BITSWAP8( data,3,4,6,0,1,2,7,5 ); - - if (m_matrix & 0x04) - output_set_digit_value(3, digit & 0x7f); - if (m_matrix & 0x08) - output_set_digit_value(2, digit & 0x7f); - if (m_matrix & 0x10) - output_set_digit_value(1, digit & 0x7f); - if (m_matrix & 0x20) - output_set_digit_value(0, digit & 0x7f); -} - - -/*************************************************************************** - - Keyboard - -***************************************************************************/ - -WRITE8_MEMBER( sc1_state::matrix_w ) -{ - m_matrix = data; -} - -READ8_MEMBER( sc1_state::pio_port_b_r ) -{ - UINT8 data = 0; - - if (m_matrix & 0x01) - data |= ioport("LINE1")->read(); - if (m_matrix & 0x02) - data |= ioport("LINE2")->read(); - if (m_matrix & 0x04) - data |= ioport("LINE3")->read(); - if (m_matrix & 0x08) - data |= ioport("LINE4")->read(); - if (m_matrix & 0x10) - data |= ioport("LINE5")->read(); - if (m_matrix & 0x20) - data |= ioport("LINE6")->read(); - if (m_matrix & 0x40) - data |= ioport("LINE7")->read(); - if (m_matrix & 0x80) - data |= ioport("LINE8")->read(); - - return data; -} - - -static ADDRESS_MAP_START(sc1_mem, AS_PROGRAM, 8, sc1_state) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE( 0x0000, 0x0fff ) AM_ROM - AM_RANGE( 0x4000, 0x43ff ) AM_RAM -ADDRESS_MAP_END - -static ADDRESS_MAP_START(sc1_io, AS_IO, 8, sc1_state) - ADDRESS_MAP_UNMAP_HIGH - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x80, 0x83) AM_DEVREADWRITE("z80pio", z80pio_device, read_alt, write_alt) - AM_RANGE(0xfc, 0xfc) AM_WRITE(matrix_w) -ADDRESS_MAP_END - -/* Input ports */ -static INPUT_PORTS_START( sc1 ) - PORT_START("LINE1") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_UNUSED - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("D4") PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_D) - - PORT_START("LINE2") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("B2") PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_B) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("F6") PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_F) - - PORT_START("LINE3") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("C3") PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_C) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("G7") PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_G) - - PORT_START("LINE4") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("A1") PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_A) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("E5") PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_E) - - PORT_START("LINE5") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("H8") PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_H) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("CE") PORT_CODE(KEYCODE_DEL) - - PORT_START("LINE6") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("K") PORT_CODE(KEYCODE_K) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("ENT") PORT_CODE(KEYCODE_ENTER) - - PORT_START("LINE7") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("P") PORT_CODE(KEYCODE_O) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("W/S") PORT_CODE(KEYCODE_W) - - PORT_START("LINE8") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("T") PORT_CODE(KEYCODE_T) - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("C") PORT_CODE(KEYCODE_M) -INPUT_PORTS_END - - -static MACHINE_CONFIG_START( sc1, sc1_state ) - /* basic machine hardware */ - MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz) - MCFG_CPU_PROGRAM_MAP(sc1_mem) - MCFG_CPU_IO_MAP(sc1_io) - - /* video hardware */ - MCFG_DEFAULT_LAYOUT(layout_sc1) - - /* devices */ - MCFG_DEVICE_ADD("z80pio", Z80PIO, XTAL_4MHz) - MCFG_Z80PIO_OUT_PA_CB(WRITE8(sc1_state, pio_port_a_w)) - MCFG_Z80PIO_IN_PB_CB(READ8(sc1_state, pio_port_b_r)) - - /* sound hardware */ - MCFG_SPEAKER_STANDARD_MONO("mono") - MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) - MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) -MACHINE_CONFIG_END - -/* ROM definition */ -ROM_START( sc1 ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) - ROM_LOAD( "sc1.rom", 0x0000, 0x1000, CRC(26965b23) SHA1(01568911446eda9f05ec136df53da147b7c6f2bf)) -ROM_END - -/* Driver */ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ -COMP( 1989, sc1, 0, 0, sc1, sc1, driver_device, 0, "VEB Mikroelektronik Erfurt", "Schachcomputer SC1", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) |