/*************************************************************************** Samsung SPC-1000 driver by Miodrag Milanovic 2009-05-10 Preliminary driver. 2014-02-16 Added cassette, many games are playable ToDo: - Some games have keyboard problems (e.g. Invaders, Panzerspitze) - Some games freeze at start (e.g. Super Xevious) - Find out if any of the unconnected parts of 6000,4000,4001 are used ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "video/mc6847.h" #include "sound/ay8910.h" #include "sound/wave.h" #include "imagedev/cassette.h" #include "machine/ram.h" #include "formats/spc1000_cas.h" class spc1000_state : public driver_device { public: spc1000_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_p_videoram(*this, "videoram") , m_vdg(*this, "mc6847") , m_maincpu(*this, "maincpu") , m_ram(*this, RAM_TAG) , m_cass(*this, "cassette") {} DECLARE_WRITE8_MEMBER(spc1000_iplk_w); DECLARE_READ8_MEMBER(spc1000_iplk_r); DECLARE_WRITE_LINE_MEMBER(irq_w); DECLARE_WRITE8_MEMBER(spc1000_gmode_w); DECLARE_READ8_MEMBER(spc1000_gmode_r); DECLARE_READ8_MEMBER(porta_r); DECLARE_READ8_MEMBER(mc6847_videoram_r); DECLARE_WRITE8_MEMBER(cass_w); MC6847_GET_CHARROM_MEMBER(get_char_rom) { return m_p_videoram[0x1000 + (ch & 0x7f) * 16 + line]; } required_shared_ptr m_p_videoram; private: UINT8 m_IPLK; UINT8 m_GMODE; UINT16 m_page; virtual void machine_reset(); required_device m_vdg; required_device m_maincpu; required_device m_ram; required_device m_cass; }; static ADDRESS_MAP_START(spc1000_mem, AS_PROGRAM, 8, spc1000_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE( 0x0000, 0x7fff ) AM_READ_BANK("bank1") AM_WRITE_BANK("bank2") AM_RANGE( 0x8000, 0xffff ) AM_READ_BANK("bank3") AM_WRITE_BANK("bank4") ADDRESS_MAP_END WRITE8_MEMBER(spc1000_state::spc1000_iplk_w) { m_IPLK = m_IPLK ? 0 : 1; if (m_IPLK == 1) { UINT8 *mem = memregion("maincpu")->base(); membank("bank1")->set_base(mem); membank("bank3")->set_base(mem); } else { UINT8 *ram = m_ram->pointer(); membank("bank1")->set_base(ram); membank("bank3")->set_base(ram + 0x8000); } } READ8_MEMBER(spc1000_state::spc1000_iplk_r) { m_IPLK = m_IPLK ? 0 : 1; if (m_IPLK == 1) { UINT8 *mem = memregion("maincpu")->base(); membank("bank1")->set_base(mem); membank("bank3")->set_base(mem); } else { UINT8 *ram = m_ram->pointer(); membank("bank1")->set_base(ram); membank("bank3")->set_base(ram + 0x8000); } return 0; } WRITE8_MEMBER( spc1000_state::cass_w ) { m_cass->output(BIT(data, 0) ? -1.0 : 1.0); } WRITE8_MEMBER(spc1000_state::spc1000_gmode_w) { m_GMODE = data; // m_GMODE layout: CSS|NA|PS2|PS1|~A/G|GM0|GM1|NA // [PS2,PS1] is used to set screen 0/1 pages m_vdg->gm1_w(BIT(data, 1)); m_vdg->gm0_w(BIT(data, 2)); m_vdg->ag_w(BIT(data, 3)); m_vdg->css_w(BIT(data, 7)); m_page = ( (BIT(data, 5) << 1) | BIT(data, 4) )*0x200; } READ8_MEMBER(spc1000_state::spc1000_gmode_r) { return m_GMODE; } static ADDRESS_MAP_START( spc1000_io , AS_IO, 8, spc1000_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x1fff) AM_RAM AM_SHARE("videoram") AM_RANGE(0x2000, 0x3fff) AM_READWRITE(spc1000_gmode_r, spc1000_gmode_w) AM_RANGE(0x4000, 0x4000) AM_DEVWRITE("ay8910", ay8910_device, address_w) AM_RANGE(0x4001, 0x4001) AM_DEVREADWRITE("ay8910", ay8910_device, data_r, data_w) AM_RANGE(0x6000, 0x6000) AM_WRITE(cass_w) AM_RANGE(0x8000, 0x8000) AM_READ_PORT("LINE0") AM_RANGE(0x8001, 0x8001) AM_READ_PORT("LINE1") AM_RANGE(0x8002, 0x8002) AM_READ_PORT("LINE2") AM_RANGE(0x8003, 0x8003) AM_READ_PORT("LINE3") AM_RANGE(0x8004, 0x8004) AM_READ_PORT("LINE4") AM_RANGE(0x8005, 0x8005) AM_READ_PORT("LINE5") AM_RANGE(0x8006, 0x8006) AM_READ_PORT("LINE6") AM_RANGE(0x8007, 0x8007) AM_READ_PORT("LINE7") AM_RANGE(0x8008, 0x8008) AM_READ_PORT("LINE8") AM_RANGE(0x8009, 0x8009) AM_READ_PORT("LINE9") AM_RANGE(0xA000, 0xA000) AM_READWRITE(spc1000_iplk_r, spc1000_iplk_w) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( spc1000 ) PORT_START("LINE0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_RSHIFT) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_RCONTROL) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Break") PORT_CODE(KEYCODE_PAUSE) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Graph") PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("LINE1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("^ ~") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('^') PORT_CHAR('~') PORT_CHAR(0x1e) 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("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_CHAR(0x03) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_CHAR(0x01) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_CHAR(0x16) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1 !") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_START("LINE2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Caps") PORT_CODE(KEYCODE_CAPSLOCK) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_CHAR(0x1a) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("] }") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') PORT_CHAR(0x1d) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_CHAR(0x16) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_CHAR(0x13) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_CHAR(0x17) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2 \"") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"') PORT_START("LINE3") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Del") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_CHAR(0x12) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_CHAR(0x1b) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[ {") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') PORT_CHAR(0x1b) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_CHAR(0x02) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_CHAR(0x04) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_CHAR(0x05) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3 #") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_START("LINE4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\\ |") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') PORT_CHAR(0x1c) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_CHAR(0x0e) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_CHAR(0x06) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_CHAR(0x12) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4 $") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_START("LINE5") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_CHAR(0x0d) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_CHAR(0x07) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_CHAR(0x14) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5 %") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_START("LINE6") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) 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("X") PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_CHAR(0x18) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(", <") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_CHAR(0x08) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') PORT_CHAR(0x19) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6 &") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_START("LINE7") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_CHAR(0x10) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(". >") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_CHAR(0x0a) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') PORT_CHAR(0x15) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7 '") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') PORT_START("LINE8") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(": *") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("/ ?") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_CHAR(0x0b) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_CHAR(0x09) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8 (") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') PORT_START("LINE9") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("- =") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("; +") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_CHAR(0x0c) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_CHAR(0x0e) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9 )") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') INPUT_PORTS_END void spc1000_state::machine_reset() { address_space &space = m_maincpu->space(AS_PROGRAM); UINT8 *mem = memregion("maincpu")->base(); UINT8 *ram = m_ram->pointer(); space.install_read_bank(0x0000, 0x7fff, "bank1"); space.install_read_bank(0x8000, 0xffff, "bank3"); space.install_write_bank(0x0000, 0x7fff, "bank2"); space.install_write_bank(0x8000, 0xffff, "bank4"); membank("bank1")->set_base(mem); membank("bank2")->set_base(ram); membank("bank3")->set_base(mem); membank("bank4")->set_base(ram + 0x8000); m_IPLK = 1; } READ8_MEMBER(spc1000_state::mc6847_videoram_r) { if (offset == ~0) return 0xff; // m_GMODE layout: CSS|NA|PS2|PS1|~A/G|GM0|GM1|NA if ( !BIT(m_GMODE, 3) ) { // text mode (~A/G set to A) UINT8 data = m_p_videoram[offset+m_page+0x800]; m_vdg->inv_w(BIT(data, 0)); m_vdg->css_w(BIT(data, 1)); m_vdg->as_w (BIT(data, 2)); m_vdg->intext_w(BIT(data, 3)); return m_p_videoram[offset+m_page]; } else { // graphics mode: uses full 6KB of VRAM return m_p_videoram[offset]; } } READ8_MEMBER( spc1000_state::porta_r ) { UINT8 data = 0; data |= (m_cass->input() > 0.0038) ? 0x80 : 0; data |= ((m_cass->get_state() & CASSETTE_MASK_UISTATE) == CASSETTE_PLAY) ? 0x00 : 0x40; return data; } // irq is inverted in emulation, so we need this trampoline WRITE_LINE_MEMBER( spc1000_state::irq_w ) { m_maincpu->set_input_line(0, state ? CLEAR_LINE : HOLD_LINE); } static MACHINE_CONFIG_START( spc1000, spc1000_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz) MCFG_CPU_PROGRAM_MAP(spc1000_mem) MCFG_CPU_IO_MAP(spc1000_io) /* video hardware */ MCFG_SCREEN_MC6847_NTSC_ADD("screen", "mc6847") MCFG_DEVICE_ADD("mc6847", MC6847_NTSC, XTAL_3_579545MHz) MCFG_MC6847_FSYNC_CALLBACK(WRITELINE(spc1000_state, irq_w)) MCFG_MC6847_INPUT_CALLBACK(READ8(spc1000_state, mc6847_videoram_r)) MCFG_MC6847_CHARROM_CALLBACK(spc1000_state, get_char_rom) MCFG_MC6847_FIXED_MODE(MC6847_MODE_GM2) // other lines not connected /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("ay8910", AY8910, XTAL_4MHz / 1) MCFG_AY8910_PORT_A_READ_CB(READ8(spc1000_state, porta_r)) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette") MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) MCFG_CASSETTE_ADD( "cassette" ) MCFG_CASSETTE_FORMATS(spc1000_cassette_formats) MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_ENABLED) /* internal ram */ MCFG_RAM_ADD(RAM_TAG) MCFG_RAM_DEFAULT_SIZE("64K") MACHINE_CONFIG_END /* ROM definition */ ROM_START( spc1000 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "spcall.rom", 0x0000, 0x8000, CRC(19638fc9) SHA1(489f1baa7aebf3c8c660325fb1fd790d84203284)) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ COMP( 1982, spc1000, 0, 0, spc1000, spc1000, driver_device, 0, "Samsung", "SPC-1000", GAME_NOT_WORKING )