// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic
/***************************************************************************
Irisha driver by Miodrag Milanovic
2008-03-27 Preliminary driver.
Jump addresses:
Option 1: 0800 (Monitor - the only choice that works)
Option 2: 046E
Option 3: 0423 (then jumps to 4000)
Option 4: 0501
Option 5: 042E
****************************************************************************/
#include "emu.h"
#include "cpu/i8085/i8085.h"
#include "machine/i8251.h"
#include "machine/i8255.h"
#include "machine/pic8259.h"
#include "machine/pit8253.h"
#include "sound/spkrdev.h"
#include "emupal.h"
#include "screen.h"
#include "speaker.h"
class irisha_state : public driver_device
{
public:
irisha_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_p_videoram(*this, "videoram")
, m_maincpu(*this, "maincpu")
, m_pit(*this, "pit8253")
, m_speaker(*this, "speaker")
, m_keyboard(*this, "LINE%u", 0)
{ }
void irisha(machine_config &config);
private:
DECLARE_READ8_MEMBER(irisha_keyboard_r);
DECLARE_READ8_MEMBER(irisha_8255_portb_r);
DECLARE_READ8_MEMBER(irisha_8255_portc_r);
DECLARE_WRITE8_MEMBER(irisha_8255_porta_w);
DECLARE_WRITE8_MEMBER(irisha_8255_portb_w);
DECLARE_WRITE8_MEMBER(irisha_8255_portc_w);
DECLARE_WRITE_LINE_MEMBER(speaker_w);
TIMER_CALLBACK_MEMBER(irisha_key);
uint32_t screen_update_irisha(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
required_shared_ptr<uint8_t> m_p_videoram;
void irisha_io(address_map &map);
void irisha_mem(address_map &map);
bool m_sg1_line;
bool m_keypressed;
uint8_t m_keyboard_cnt;
uint8_t m_ppi_porta;
uint8_t m_ppi_portc;
emu_timer *m_key_timer;
void update_speaker();
virtual void machine_start() override;
virtual void machine_reset() override;
required_device<cpu_device> m_maincpu;
required_device<pit8253_device> m_pit;
required_device<speaker_sound_device> m_speaker;
required_ioport_array<10> m_keyboard;
};
/* Address maps */
void irisha_state::irisha_mem(address_map &map)
{
map(0x0000, 0x3fff).rom(); // ROM
map(0x4000, 0xdfff).ram(); // RAM
map(0xe000, 0xffff).ram().share("videoram");
}
void irisha_state::irisha_io(address_map &map)
{
map(0x04, 0x05).r(FUNC(irisha_state::irisha_keyboard_r));
map(0x06, 0x07).rw("uart", FUNC(i8251_device::read), FUNC(i8251_device::write));
map(0x08, 0x0B).rw(m_pit, FUNC(pit8253_device::read), FUNC(pit8253_device::write));
map(0x0C, 0x0F).rw("pic8259", FUNC(pic8259_device::read), FUNC(pic8259_device::write)).mask(0x01);
map(0x10, 0x13).rw("ppi8255", FUNC(i8255_device::read), FUNC(i8255_device::write));
}
/* Input ports */
static INPUT_PORTS_START( irisha )
PORT_START("LINE0")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') 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_3) PORT_CHAR('3') PORT_CHAR('#')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') 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_7) PORT_CHAR('7') PORT_CHAR('\'')
PORT_START("LINE1")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') 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_STOP) PORT_CHAR('.') PORT_CHAR('>')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
PORT_START("LINE2")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('@') PORT_CHAR('`')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d')
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e')
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g')
PORT_START("LINE3")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k')
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_M) PORT_CHAR('M') PORT_CHAR('m')
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o')
PORT_START("LINE4")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t')
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_V) PORT_CHAR('V') PORT_CHAR('v')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w')
PORT_START("LINE5")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y')
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_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('[') PORT_CHAR('{')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR(0xA6)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('^') PORT_CHAR('~')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('_')
PORT_START("LINE6")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_F8)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Caps") PORT_CODE(KEYCODE_CAPSLOCK)
PORT_START("LINE7")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Back") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_1_PAD)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_2_PAD)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_3_PAD)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_4_PAD)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
PORT_START("LINE8")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_0_PAD) //
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_0_PAD)
PORT_START("LINE9")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)
INPUT_PORTS_END
/*************************************************
Video
*************************************************/
uint32_t irisha_state::screen_update_irisha(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
uint8_t gfx;
uint16_t y,ma=0,x;
uint16_t *p;
for (y = 0; y < 200; y++)
{
p = &bitmap.pix16(y);
for (x = ma; x < ma+40; x++)
{
gfx = m_p_videoram[x];
/* Display a scanline of a character */
*p++ = BIT(gfx, 7);
*p++ = BIT(gfx, 6);
*p++ = BIT(gfx, 5);
*p++ = BIT(gfx, 4);
*p++ = BIT(gfx, 3);
*p++ = BIT(gfx, 2);
*p++ = BIT(gfx, 1);
*p++ = BIT(gfx, 0);
}
ma+=40;
}
return 0;
}
/* F4 Character Displayer */
static const gfx_layout irisha_charlayout =
{
8, 8, /* 8 x 8 characters */
256, /* 256 characters */
1, /* 1 bits per pixel */
{ 0 }, /* no bitplanes */
/* x offsets */
{ 0, 1, 2, 3, 4, 5, 6, 7 },
/* y offsets */
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
8*8 /* every char takes 8 bytes */
};
static GFXDECODE_START( gfx_irisha )
GFXDECODE_ENTRY( "maincpu", 0x3800, irisha_charlayout, 0, 1 )
GFXDECODE_END
/*************************************************
i8255
*************************************************/
READ8_MEMBER(irisha_state::irisha_8255_portb_r)
{
if (m_keypressed==1)
{
m_keypressed = 0;
return 0x80;
}
return 0x00;
}
READ8_MEMBER(irisha_state::irisha_8255_portc_r)
{
logerror("irisha_8255_portc_r\n");
return 0;
}
WRITE8_MEMBER(irisha_state::irisha_8255_porta_w)
{
logerror("irisha_8255_porta_w %02x\n",data);
m_ppi_porta = data;
update_speaker();
}
WRITE8_MEMBER(irisha_state::irisha_8255_portb_w)
{
logerror("irisha_8255_portb_w %02x\n",data);
}
WRITE8_MEMBER(irisha_state::irisha_8255_portc_w)
{
//logerror("irisha_8255_portc_w %02x\n",data);
if (BIT(data, 6))
m_pit->write_gate2((BIT(m_ppi_porta, 5) && !BIT(data, 5)) ? 1 : 0);
m_ppi_portc = data;
update_speaker();
}
/*************************************************
Sound
*************************************************/
void irisha_state::update_speaker()
{
int level = ( (BIT(m_ppi_portc, 5)) || (BIT(m_ppi_porta, 4)) || !m_sg1_line) ? 1 : 0;
m_speaker->level_w(level);
}
WRITE_LINE_MEMBER(irisha_state::speaker_w)
{
m_sg1_line = state;
update_speaker();
}
/*************************************************
Keyboard
*************************************************/
TIMER_CALLBACK_MEMBER(irisha_state::irisha_key)
{
m_keypressed = 1;
m_keyboard_cnt = 0;
}
READ8_MEMBER(irisha_state::irisha_keyboard_r)
{
uint8_t keycode = 0xff;
if (m_keyboard_cnt!=0 && m_keyboard_cnt<11)
keycode = m_keyboard[m_keyboard_cnt-1]->read() ^ 0xff;
m_keyboard_cnt++;
return keycode;
}
/*************************************************
Machine
*************************************************/
void irisha_state::machine_start()
{
m_key_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(irisha_state::irisha_key),this));
m_key_timer->adjust(attotime::from_msec(30), 0, attotime::from_msec(30));
}
void irisha_state::machine_reset()
{
m_sg1_line = 0;
m_keypressed = 0;
m_keyboard_cnt = 0;
m_ppi_porta = 0;
m_ppi_portc = 0;
}
/* Machine driver */
void irisha_state::irisha(machine_config &config)
{
/* basic machine hardware */
I8080(config, m_maincpu, XTAL(16'000'000) / 9);
m_maincpu->set_addrmap(AS_PROGRAM, &irisha_state::irisha_mem);
m_maincpu->set_addrmap(AS_IO, &irisha_state::irisha_io);
/* video hardware */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_refresh_hz(50);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
screen.set_size(320, 200);
screen.set_visarea(0, 320-1, 0, 200-1);
screen.set_screen_update(FUNC(irisha_state::screen_update_irisha));
screen.set_palette("palette");
GFXDECODE(config, "gfxdecode", "palette", gfx_irisha);
PALETTE(config, "palette", palette_device::MONOCHROME);
/* sound hardware */
SPEAKER(config, "mono").front_center();
SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.50);
/* Devices */
I8251(config, "uart", 0);
PIT8253(config, m_pit, 0);
m_pit->set_clk<0>(16_MHz_XTAL / 9);
m_pit->out_handler<0>().set("pic8259", FUNC(pic8259_device::ir0_w));
m_pit->set_clk<1>(16_MHz_XTAL / 9 / 8 / 8);
m_pit->out_handler<1>().set("uart", FUNC(i8251_device::write_txc));
m_pit->out_handler<1>().append("uart", FUNC(i8251_device::write_rxc));
m_pit->set_clk<2>(16_MHz_XTAL / 9);
m_pit->out_handler<2>().set(FUNC(irisha_state::speaker_w));
i8255_device &ppi(I8255(config, "ppi8255"));
ppi.out_pa_callback().set(FUNC(irisha_state::irisha_8255_porta_w));
ppi.in_pb_callback().set(FUNC(irisha_state::irisha_8255_portb_r));
ppi.out_pb_callback().set(FUNC(irisha_state::irisha_8255_portb_w));
ppi.in_pc_callback().set(FUNC(irisha_state::irisha_8255_portc_r));
ppi.out_pc_callback().set(FUNC(irisha_state::irisha_8255_portc_w));
pic8259_device &pic8259(PIC8259(config, "pic8259", 0));
pic8259.out_int_callback().set_inputline(m_maincpu, 0);
}
/* ROM definition */
ROM_START( irisha )
ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
ROM_LOAD( "ir_bootm.bin", 0x0000, 0x2000, CRC(7f9f4f0e) SHA1(05f97e1a1d7a15f4451129dba6c0bddc87ea748e))
ROM_LOAD( "ir_conou.bin", 0x2000, 0x2000, CRC(bf92beed) SHA1(696c482ba53bc6261db11061ecc7141c67f1d820))
ROM_END
/* Driver */
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP( 1983, irisha, 0, 0, irisha, irisha, irisha_state, empty_init, "MGU", "Irisha", MACHINE_NOT_WORKING)