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-rw-r--r--src/mame/drivers/pv2000.c428
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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 )