diff options
Diffstat (limited to 'src/mame/drivers/pv2000.c')
-rw-r--r-- | src/mame/drivers/pv2000.c | 428 |
1 files changed, 428 insertions, 0 deletions
diff --git a/src/mame/drivers/pv2000.c b/src/mame/drivers/pv2000.c new file mode 100644 index 00000000000..a0084f36143 --- /dev/null +++ b/src/mame/drivers/pv2000.c @@ -0,0 +1,428 @@ +// license:BSD-3-Clause +// copyright-holders:Wilbert Pol +/* + +CASIO PV-2000 + +(preliminary work by anondumper) +Thanks for the loaner (Ianoid) + +NOTE: +The PCB has printed names of components, not ICXY, etc +but: "hn613128pc64.bin" + +SEE +http://hou4gong1.mo-blog.jp/.shared/image.html?/photos/uncategorized/pv_2000_k1.jpg +http://hou4gong1.mo-blog.jp/.shared/image.html?/photos/uncategorized/pv_2000_14.jpg +http://hou4gong1.mo-blog.jp/.shared/image.html?/photos/uncategorized/pv_2000_15.jpg + +Keyboard inputs are partially supported. Keys missing from the input ports: +- GAME - no beep in basic - is this really a key? + +Todo: +- Add joystick support +- Cassette support + +Also See: +http://www2.odn.ne.jp/~haf09260/Pv2000/EnrPV.htm +For BIOS CRC confirmation +*/ + + +#include "emu.h" +#include "cpu/z80/z80.h" +#include "sound/sn76496.h" +#include "sound/wave.h" +#include "video/tms9928a.h" +#include "imagedev/cassette.h" +#include "bus/generic/slot.h" +#include "bus/generic/carts.h" + + +class pv2000_state : public driver_device +{ +public: + pv2000_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_cass(*this, "cassette"), + m_cart(*this, "cartslot"), + m_last_state(0) + { } + + required_device<cpu_device> m_maincpu; + required_device<cassette_image_device> m_cass; + required_device<generic_slot_device> m_cart; + DECLARE_WRITE8_MEMBER(cass_conf_w); + DECLARE_WRITE8_MEMBER(keys_w); + DECLARE_READ8_MEMBER(keys_hi_r); + DECLARE_READ8_MEMBER(keys_lo_r); + DECLARE_READ8_MEMBER(keys_mod_r); + DECLARE_WRITE_LINE_MEMBER(pv2000_vdp_interrupt); + DECLARE_READ8_MEMBER(cass_in); + DECLARE_WRITE8_MEMBER(cass_out); + bool m_last_state; + UINT8 m_key_pressed; + UINT8 m_keyb_column; + UINT8 m_cass_conf; + virtual void machine_start(); + virtual void machine_reset(); + DECLARE_DEVICE_IMAGE_LOAD_MEMBER(pv2000_cart); +}; + + +WRITE8_MEMBER( pv2000_state::cass_conf_w ) +{ + logerror( "%s: cass_conf_w %02x\n", machine().describe_context(), data ); + + m_cass_conf = data & 0x0f; + + if ( m_cass_conf & 0x01 ) + m_cass->change_state(CASSETTE_MOTOR_ENABLED, CASSETTE_MASK_MOTOR); + else + m_cass->change_state(CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR); +} + + +WRITE8_MEMBER( pv2000_state::keys_w ) +{ + logerror( "%s: keys_w %02x\n", machine().describe_context(), data ); + + m_keyb_column = data & 0x0f; + + m_maincpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE); +} + + +READ8_MEMBER( pv2000_state::keys_hi_r ) +{ + UINT8 data = 0; + char kbdrow[6]; + + switch ( m_keyb_column ) + { + case 0: + case 1: + case 2: + case 3: + case 4: + case 5: + case 6: + case 7: + case 8: + sprintf(kbdrow,"IN%d",m_keyb_column); + data = ioport( kbdrow )->read() >> 4; + } + + return data; +} + + +READ8_MEMBER( pv2000_state::keys_lo_r ) +{ + UINT8 data = 0; + char kbdrow[6]; + + logerror("%s: pv2000_keys_r\n", machine().describe_context() ); + + switch ( m_keyb_column ) + { + case 0: + case 1: + case 2: + case 3: + case 4: + case 5: + case 6: + case 7: + case 8: + case 9: + sprintf(kbdrow,"IN%d",m_keyb_column); + data = ioport( kbdrow )->read() & 0x0f; + } + + return 0xf0 | data; +} + + +READ8_MEMBER( pv2000_state::keys_mod_r ) +{ + return 0xf0 | ioport( "MOD" )->read(); +} + +READ8_MEMBER( pv2000_state::cass_in ) +{ + // from what i can tell, + // 0 = data in + // 1 = must be high + // 2 = must be low + // bits 1 & 2 are checked while reading and writing tapes + // Press STOP key (F1) to cancel LOAD or SAVE + + return 2 | ((m_cass->input() > +0.03) ? 1 : 0); +} + +WRITE8_MEMBER( pv2000_state::cass_out ) +{ + // it outputs 8-bit values here which are not the bytes in the file + // result is not readable + + m_cass->output( BIT(data, 0) ? -1.0 : +1.0); +} + + +/* Memory Maps */ + +static ADDRESS_MAP_START( pv2000_map, AS_PROGRAM, 8, pv2000_state ) + AM_RANGE(0x0000, 0x3fff) AM_ROM + + AM_RANGE(0x4000, 0x4000) AM_DEVREADWRITE("tms9928a", tms9928a_device, vram_read, vram_write) + AM_RANGE(0x4001, 0x4001) AM_DEVREADWRITE("tms9928a", tms9928a_device, register_read, register_write) + + AM_RANGE(0x7000, 0x7fff) AM_RAM + //AM_RANGE(0x8000, 0xbfff) ext ram? + //AM_RANGE(0xc000, 0xffff) // mapped by the cartslot +ADDRESS_MAP_END + + +static ADDRESS_MAP_START( pv2000_io_map, AS_IO, 8, pv2000_state ) + ADDRESS_MAP_GLOBAL_MASK(0xff) + + //theres also printer and tape I/O (TODO) + AM_RANGE(0x00, 0x00) AM_WRITE(cass_conf_w) + + //keyboard/joystick + AM_RANGE(0x10, 0x10) AM_READ(keys_hi_r) + AM_RANGE(0x20, 0x20) AM_READWRITE(keys_lo_r, keys_w) + + //sn76489a + AM_RANGE(0x40, 0x40) AM_READ(keys_mod_r) AM_DEVWRITE("sn76489a", sn76489a_device, write) + + /* Cassette input. Gets hit a lot after a GLOAD command */ + AM_RANGE(0x60, 0x60) AM_READWRITE(cass_in,cass_out) +ADDRESS_MAP_END + + +static INPUT_PORTS_START( pv2000 ) + PORT_START("IN0") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"') + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') + + PORT_START("IN1") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r') + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e') + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w') + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q') + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('u') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y') + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t') + + PORT_START("IN2") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f') + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d') + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s') + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a') + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h') + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g') + + PORT_START("IN3") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c') + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x') + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z') + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Hiragana") + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b') + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v') + + PORT_START("IN4") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Yen") + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("IN4_1") /* Game?? DEL / MODE / STOP ??, no beep in basic, START in galaga */ + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("IN4_2") /* DEL / MODE / STOP ??, no beep in basic, SELECT in galaga */ + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('^') PORT_CHAR('~') + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') + + PORT_START("IN5") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("CRSR Up+Left") PORT_CODE(KEYCODE_7_PAD) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("CRSR Down+Left") PORT_CODE(KEYCODE_1_PAD) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("CRSR Down+Right") PORT_CODE(KEYCODE_3_PAD) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("CRSR Up+Right") PORT_CODE(KEYCODE_9_PAD) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@') PORT_CHAR('`') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('[') PORT_CHAR('{') + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p') + + PORT_START("IN6") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DOWN) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RIGHT) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("IN6_2") /* Unknown ??, no beep in basic */ + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("IN6_3") /* Unknown ??, no beep in basic */ + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR(']') PORT_CHAR('}') + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') + + PORT_START("IN7") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LEFT) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_UP) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(UP)) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("IN7_2") /* Unknown ??, no beep in basic */ + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("IN7_3") /* Unknown ??, no beep in basic */ + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') + + PORT_START("IN8") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LCONTROL) PORT_NAME("Attack 0") + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LALT) PORT_NAME("Attack 1") + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("IN8_2") /* Unknown ?, no beep in basic */ + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("IN8_3") /* Unknown ?, no beep in basic */ + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Mode") + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Del") + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("IN8_7") /* Unknown ?, no beep in basic */ + + PORT_START("IN9") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1) PORT_NAME("Stop") + + PORT_START("MOD") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RALT) PORT_NAME("Color") + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TAB) PORT_NAME("Func") + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) + +INPUT_PORTS_END + + +WRITE_LINE_MEMBER( pv2000_state::pv2000_vdp_interrupt ) +{ + // only if it goes up + if (state && !m_last_state) + m_maincpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE); + + m_last_state = state; + + /* Check if irq triggering from keyboard presses is enabled */ + if ( m_keyb_column == 0x0f ) + { + /* Check if a key is pressed */ + UINT8 key_pressed; + + key_pressed = ioport( "IN0" )->read() + | ioport( "IN1" )->read() + | ioport( "IN2" )->read() + | ioport( "IN3" )->read() + | ioport( "IN4" )->read() + | ioport( "IN5" )->read() + | ioport( "IN6" )->read() + | ioport( "IN7" )->read() + | ioport( "IN8" )->read(); + + if ( key_pressed && m_key_pressed != key_pressed ) + m_maincpu->set_input_line(INPUT_LINE_IRQ0, ASSERT_LINE); + + m_key_pressed = key_pressed; + } +} + + + +/* Machine Initialization */ + +void pv2000_state::machine_start() +{ + if (m_cart->exists()) + m_maincpu->space(AS_PROGRAM).install_read_handler(0xc000, 0xffff, read8_delegate(FUNC(generic_slot_device::read_rom),(generic_slot_device*)m_cart)); +} + +void pv2000_state::machine_reset() +{ + m_last_state = 0; + m_key_pressed = 0; + m_keyb_column = 0; + + m_maincpu->set_input_line_vector(INPUT_LINE_IRQ0, 0xff); + memset(&memregion("maincpu")->base()[0x7000], 0xff, 0x1000); // initialize RAM +} + +DEVICE_IMAGE_LOAD_MEMBER( pv2000_state, pv2000_cart ) +{ + UINT32 size = m_cart->common_get_size("rom"); + + if (size != 0x2000 && size != 0x4000) + { + image.seterror(IMAGE_ERROR_UNSPECIFIED, "Unsupported cartridge size"); + return IMAGE_INIT_FAIL; + } + + m_cart->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE); + m_cart->common_load_rom(m_cart->get_rom_base(), size, "rom"); + + return IMAGE_INIT_PASS; +} + +/* Machine Drivers */ +static MACHINE_CONFIG_START( pv2000, pv2000_state ) + + // basic machine hardware + MCFG_CPU_ADD("maincpu", Z80, XTAL_7_15909MHz/2) // 3.579545 MHz + MCFG_CPU_PROGRAM_MAP(pv2000_map) + MCFG_CPU_IO_MAP(pv2000_io_map) + + // video hardware + MCFG_DEVICE_ADD( "tms9928a", TMS9928A, XTAL_10_738635MHz / 2 ) + MCFG_TMS9928A_VRAM_SIZE(0x4000) + MCFG_TMS9928A_OUT_INT_LINE_CB(WRITELINE(pv2000_state, pv2000_vdp_interrupt)) + MCFG_TMS9928A_SCREEN_ADD_NTSC( "screen" ) + MCFG_SCREEN_UPDATE_DEVICE( "tms9928a", tms9928a_device, screen_update ) + + // sound hardware + MCFG_SPEAKER_STANDARD_MONO("mono") + + MCFG_SOUND_ADD("sn76489a", SN76489A, XTAL_7_15909MHz/2) /* 3.579545 MHz */ + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) + + MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette") + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) + + /* cassette */ + MCFG_CASSETTE_ADD( "cassette" ) + MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_MOTOR_DISABLED) + + /* cartridge */ + MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "pv2000_cart") + MCFG_GENERIC_EXTENSIONS("bin,rom,col") + MCFG_GENERIC_LOAD(pv2000_state, pv2000_cart) + + /* Software lists */ + MCFG_SOFTWARE_LIST_ADD("cart_list","pv2000") +MACHINE_CONFIG_END + + + +/* ROMs */ +ROM_START (pv2000) + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD( "hn613128pc64.bin", 0x0000, 0x4000, CRC(8f31f297) SHA1(94b5f54dd7bce321e377fdaaf592acd3870cf621) ) +ROM_END + + +/* System Drivers */ + +// YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS +CONS( 1983, pv2000, 0, 0, pv2000, pv2000, driver_device, 0, "Casio", "PV-2000", MACHINE_NOT_WORKING ) |