// 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"
#include "screen.h"
#include "softlist.h"
#include "speaker.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_t m_key_pressed;
uint8_t m_keyb_column;
uint8_t m_cass_conf;
virtual void machine_start() override;
virtual void machine_reset() override;
DECLARE_DEVICE_IMAGE_LOAD_MEMBER(pv2000_cart);
void pv2000(machine_config &config);
void pv2000_io_map(address_map &map);
void pv2000_map(address_map &map);
};
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_t 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_t 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 */
void pv2000_state::pv2000_map(address_map &map)
{
map(0x0000, 0x3fff).rom();
map(0x4000, 0x4000).rw("tms9928a", FUNC(tms9928a_device::vram_read), FUNC(tms9928a_device::vram_write));
map(0x4001, 0x4001).rw("tms9928a", FUNC(tms9928a_device::register_read), FUNC(tms9928a_device::register_write));
map(0x7000, 0x7fff).ram();
//AM_RANGE(0x8000, 0xbfff) ext ram?
//AM_RANGE(0xc000, 0xffff) // mapped by the cartslot
}
void pv2000_state::pv2000_io_map(address_map &map)
{
map.global_mask(0xff);
//theres also printer and tape I/O (TODO)
map(0x00, 0x00).w(this, FUNC(pv2000_state::cass_conf_w));
//keyboard/joystick
map(0x10, 0x10).r(this, FUNC(pv2000_state::keys_hi_r));
map(0x20, 0x20).rw(this, FUNC(pv2000_state::keys_lo_r), FUNC(pv2000_state::keys_w));
//sn76489a
map(0x40, 0x40).r(this, FUNC(pv2000_state::keys_mod_r)).w("sn76489a", FUNC(sn76489a_device::write));
/* Cassette input. Gets hit a lot after a GLOAD command */
map(0x60, 0x60).rw(this, FUNC(pv2000_state::cass_in), FUNC(pv2000_state::cass_out));
}
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->pulse_input_line(INPUT_LINE_NMI, attotime::zero);
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_t 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_t size = m_cart->common_get_size("rom");
if (size != 0x2000 && size != 0x4000)
{
image.seterror(IMAGE_ERROR_UNSPECIFIED, "Unsupported cartridge size");
return image_init_result::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_result::PASS;
}
/* Machine Drivers */
MACHINE_CONFIG_START(pv2000_state::pv2000)
// basic machine hardware
MCFG_DEVICE_ADD("maincpu", Z80, XTAL(7'159'090)/2) // 3.579545 MHz
MCFG_DEVICE_PROGRAM_MAP(pv2000_map)
MCFG_DEVICE_IO_MAP(pv2000_io_map)
// video hardware
MCFG_DEVICE_ADD( "tms9928a", TMS9928A, XTAL(10'738'635) / 2 )
MCFG_TMS9928A_VRAM_SIZE(0x4000)
MCFG_TMS9928A_OUT_INT_LINE_CB(WRITELINE(*this, pv2000_state, pv2000_vdp_interrupt))
MCFG_TMS9928A_SCREEN_ADD_NTSC( "screen" )
MCFG_SCREEN_UPDATE_DEVICE( "tms9928a", tms9928a_device, screen_update )
// sound hardware
SPEAKER(config, "mono").front_center();
MCFG_DEVICE_ADD("sn76489a", SN76489A, XTAL(7'159'090)/2) /* 3.579545 MHz */
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
WAVE(config, "wave", "cassette").add_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 CLASS INIT COMPANY FULLNAME FLAGS
CONS( 1983, pv2000, 0, 0, pv2000, pv2000, pv2000_state, empty_init, "Casio", "PV-2000", MACHINE_NOT_WORKING )