/*************************************************************************** VTech PreComputer 2000 04/12/2009 Skeleton driver. TODO: - fix the keys label - dump the chargen - verify the cartridge interface (I don't have dump for test it) - the HD44780 busy line is never checked, it's this correct?? ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "video/hd44780.h" #include "sound/beep.h" #include "imagedev/cartslot.h" #include "rendlay.h" class pc2000_state : public driver_device { public: pc2000_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_lcdc(*this, "hd44780"), m_beep(*this, BEEPER_TAG) { } required_device m_lcdc; required_device m_beep; UINT8 m_mux_data; UINT8 m_beep_state; virtual void machine_start(); virtual void machine_reset(); UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); DECLARE_READ8_MEMBER( key_matrix_r ); DECLARE_WRITE8_MEMBER( key_matrix_w ); DECLARE_WRITE8_MEMBER( rombank1_w ); DECLARE_WRITE8_MEMBER( rombank2_w ); DECLARE_READ8_MEMBER( beep_r ); DECLARE_WRITE8_MEMBER( beep_w ); virtual void palette_init(); }; /* TODO: put a breakpoint at 1625 and test the inputs, writes at dce4 are the scancode values */ READ8_MEMBER( pc2000_state::key_matrix_r ) { static const char *const bitnames[2][8] = { {"IN0", "IN1", "IN2", "IN3", "IN4", "IN5", "IN6", "IN7"}, {"IN8", "IN9", "INA", "INB", "INC", "IND", "INE", "INF"} }; UINT8 data = 0xff; for (int line=0; line<8; line++) if (m_mux_data & (1<read(); return data; } WRITE8_MEMBER( pc2000_state::key_matrix_w ) { m_mux_data = data; } WRITE8_MEMBER( pc2000_state::rombank1_w ) { membank("bank1")->set_entry(data & 0x0f); } WRITE8_MEMBER( pc2000_state::rombank2_w ) { if (data == 0x80) { membank("bank2")->set_entry(data & 0x10); //cartridge } else { membank("bank2")->set_entry(data & 0x0f); } } READ8_MEMBER( pc2000_state::beep_r ) { return m_beep_state; } WRITE8_MEMBER( pc2000_state::beep_w ) { beep_set_state(m_beep, BIT(data, 3)); m_beep_state = data; } static ADDRESS_MAP_START(pc2000_mem, AS_PROGRAM, 8, pc2000_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x3fff) AM_ROM AM_REGION("bios", 0x00000) AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("bank1") AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("bank2") //0x8000 - 0xbfff tests a cartridge, header is 0x55 0xaa 0x59 0x45, if it succeeds a jump at 0x8004 occurs AM_RANGE(0xc000, 0xdfff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START( pc2000_io , AS_IO, 8, pc2000_state) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x01, 0x01) AM_WRITE(rombank1_w) AM_RANGE(0x03, 0x03) AM_WRITE(rombank2_w) AM_RANGE(0x0a, 0x0a) AM_DEVREADWRITE("hd44780", hd44780_device, control_read, control_write) AM_RANGE(0x0b, 0x0b) AM_DEVREADWRITE("hd44780", hd44780_device, data_read, data_write) AM_RANGE(0x10, 0x11) AM_READWRITE(key_matrix_r, key_matrix_w) AM_RANGE(0x12, 0x12) AM_READWRITE(beep_r, beep_w) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( pc2000 ) PORT_START("IN0") PORT_DIPNAME( 0x01, 0x01, "IN0" ) //0x83 PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START("IN1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Caps Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\\") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("IN2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_START("IN3") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_START("IN4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_START("IN5") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_START("IN6") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("HOME") PORT_CODE(KEYCODE_HOME) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("=") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(";") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\'") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_START("IN7") PORT_BIT(0x03, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LEFT") PORT_CODE(KEYCODE_LEFT) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RIGHT") PORT_CODE(KEYCODE_RIGHT) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DEL") PORT_CODE(KEYCODE_DEL) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("IN8") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Scramble") PORT_CODE(KEYCODE_F1) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Guess Rork") PORT_CODE(KEYCODE_F2) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Missing Letter") PORT_CODE(KEYCODE_F3) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Letter Hunt") PORT_CODE(KEYCODE_F4) PORT_BIT(0xf0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("IN9") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Letter Zapper") PORT_CODE(KEYCODE_F5) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Letter Switch") PORT_CODE(KEYCODE_F6) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Sentence Jumble") PORT_CODE(KEYCODE_F7) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Grammar Challenge") PORT_CODE(KEYCODE_F8) PORT_BIT(0xf0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("INA") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Plurals") PORT_CODE(KEYCODE_F9) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Past Tense") PORT_CODE(KEYCODE_F10) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Synonyms") PORT_CODE(KEYCODE_F11) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Antonyms") PORT_CODE(KEYCODE_F12) PORT_BIT(0xf0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("INB") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Basic Math") PORT_CODE(KEYCODE_0_PAD) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Advanced Math") PORT_CODE(KEYCODE_1_PAD) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Math Riddles") PORT_CODE(KEYCODE_2_PAD) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Number Challenge") PORT_CODE(KEYCODE_3_PAD) PORT_BIT(0xf0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("INC") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ecology") PORT_CODE(KEYCODE_4_PAD) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("History") PORT_CODE(KEYCODE_5_PAD) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Geography") PORT_CODE(KEYCODE_6_PAD) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Super Power") PORT_CODE(KEYCODE_7_PAD) PORT_BIT(0xf0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("IND") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Typing Game") PORT_CODE(KEYCODE_8_PAD) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Alpha Jumble") PORT_CODE(KEYCODE_9_PAD) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Word Flash") PORT_CODE(KEYCODE_PGUP) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Sign Search") PORT_CODE(KEYCODE_PGDN) PORT_BIT(0xf0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("INE") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PC2000 Basic") PORT_CODE(KEYCODE_OPENBRACE) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Spell Checker") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Calculator") PORT_CODE(KEYCODE_RSHIFT) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Load Cartridge") PORT_CODE(KEYCODE_RCONTROL) PORT_BIT(0xf0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("INF") PORT_DIPNAME( 0x01, 0x01, "INF" ) PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(DEF_STR( Level_Select )) PORT_CODE(KEYCODE_LSHIFT) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Num Players") PORT_CODE(KEYCODE_LCONTROL) PORT_BIT(0xf0, IP_ACTIVE_LOW, IPT_UNUSED) INPUT_PORTS_END void pc2000_state::machine_start() { UINT8 *bios = memregion("bios")->base(); UINT8 *cart = memregion("cart")->base(); membank("bank1")->configure_entries(0, 0x10, bios, 0x4000); membank("bank2")->configure_entries(0, 0x10, bios, 0x4000); membank("bank2")->configure_entry(0x10, cart); } void pc2000_state::machine_reset() { //set the initial bank membank("bank1")->set_entry(0); membank("bank2")->set_entry(0); } void pc2000_state::palette_init() { palette_set_color(machine(), 0, MAKE_RGB(138, 146, 148)); palette_set_color(machine(), 1, MAKE_RGB(92, 83, 88)); } static const gfx_layout hd44780_charlayout = { 5, 8, /* 5 x 8 characters */ 256, /* 256 characters */ 1, /* 1 bits per pixel */ { 0 }, /* no bitplanes */ { 3, 4, 5, 6, 7}, { 0, 8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8}, 8*8 /* 8 bytes */ }; static GFXDECODE_START( pc2000 ) GFXDECODE_ENTRY( "hd44780", 0x0000, hd44780_charlayout, 0, 1 ) GFXDECODE_END static HD44780_INTERFACE( pc2000_display ) { 2, // number of lines 20, // chars for line NULL // pixel update callback }; static MACHINE_CONFIG_START( pc2000, pc2000_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz) /* probably not accurate */ MCFG_CPU_PROGRAM_MAP(pc2000_mem) MCFG_CPU_IO_MAP(pc2000_io) MCFG_CPU_VBLANK_INT_DRIVER("screen", pc2000_state, irq0_line_hold) /* video hardware */ MCFG_SCREEN_ADD("screen", LCD) MCFG_SCREEN_REFRESH_RATE(50) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_UPDATE_DEVICE("hd44780", hd44780_device, screen_update) MCFG_SCREEN_SIZE(120, 18) //2x20 chars MCFG_SCREEN_VISIBLE_AREA(0, 120-1, 0, 18-1) MCFG_PALETTE_LENGTH(2) MCFG_GFXDECODE(pc2000) MCFG_DEFAULT_LAYOUT(layout_lcd) MCFG_HD44780_ADD("hd44780", pc2000_display) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO( "mono" ) MCFG_SOUND_ADD( BEEPER_TAG, BEEP, 0 ) MCFG_SOUND_ROUTE( ALL_OUTPUTS, "mono", 1.00 ) MCFG_CARTSLOT_ADD("cart") MCFG_CARTSLOT_EXTENSION_LIST("bin") MCFG_CARTSLOT_NOT_MANDATORY MACHINE_CONFIG_END /* ROM definition */ ROM_START( pc2000 ) ROM_REGION( 0x40000, "bios", ROMREGION_ERASEFF ) ROM_LOAD( "lh532hee_9344_d.u4", 0x000000, 0x040000, CRC(0b03bf33) SHA1(cb344b94b14975c685041d3e669f386e8a21909f)) ROM_REGION( 0x0860, "hd44780", ROMREGION_ERASE ) ROM_LOAD( "44780a00.bin", 0x0000, 0x0860, BAD_DUMP CRC(3a89024c) SHA1(5a87b68422a916d1b37b5be1f7ad0b3fb3af5a8d)) ROM_REGION( 0x4000, "cart", ROMREGION_ERASEFF ) ROM_CART_LOAD( "cart", 0, 0x4000, 0 ) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 1993, pc2000, 0, 0, pc2000, pc2000, driver_device, 0, "Video Technology", "PreComputer 2000", GAME_NOT_WORKING)