diff options
Diffstat (limited to 'src/mame/drivers/irisha.c')
-rw-r--r-- | src/mame/drivers/irisha.c | 441 |
1 files changed, 441 insertions, 0 deletions
diff --git a/src/mame/drivers/irisha.c b/src/mame/drivers/irisha.c new file mode 100644 index 00000000000..be633aa7bce --- /dev/null +++ b/src/mame/drivers/irisha.c @@ -0,0 +1,441 @@ +// 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/i8255.h" +#include "machine/pit8253.h" +#include "machine/pic8259.h" +#include "machine/i8251.h" +#include "sound/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_uart(*this, "uart") + { + } + + 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); + DECLARE_WRITE_LINE_MEMBER(write_uart_clock); + TIMER_CALLBACK_MEMBER(irisha_key); + DECLARE_WRITE_LINE_MEMBER(irisha_pic_set_int_line); + UINT32 screen_update_irisha(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); + required_shared_ptr<UINT8> m_p_videoram; + +private: + bool m_sg1_line; + bool m_keypressed; + UINT8 m_keyboard_cnt; + UINT8 m_ppi_porta; + UINT8 m_ppi_portc; + void update_speaker(); + virtual void machine_start(); + virtual void machine_reset(); + ioport_port *m_io_ports[10]; + required_device<cpu_device> m_maincpu; + required_device<pit8253_device> m_pit; + required_device<speaker_sound_device> m_speaker; + required_device<i8251_device> m_uart; +}; + + +/* Address maps */ +static ADDRESS_MAP_START(irisha_mem, AS_PROGRAM, 8, irisha_state ) + AM_RANGE(0x0000, 0x3fff) AM_ROM // ROM + AM_RANGE(0x4000, 0xdfff) AM_RAM // RAM + AM_RANGE(0xe000, 0xffff) AM_RAM AM_SHARE("videoram") +ADDRESS_MAP_END + +static ADDRESS_MAP_START( irisha_io , AS_IO, 8, irisha_state ) + AM_RANGE(0x04, 0x05) AM_READ(irisha_keyboard_r) + AM_RANGE(0x06, 0x06) AM_DEVREADWRITE("uart",i8251_device, data_r, data_w) + AM_RANGE(0x07, 0x07) AM_DEVREADWRITE("uart", i8251_device, status_r, control_w) + AM_RANGE(0x08, 0x0B) AM_DEVREADWRITE("pit8253", pit8253_device, read, write ) + AM_RANGE(0x0C, 0x0F) AM_DEVREADWRITE("pic8259", pic8259_device, read, write ) AM_MASK( 0x01 ) + AM_RANGE(0x10, 0x13) AM_DEVREADWRITE("ppi8255", i8255_device, read, write) +ADDRESS_MAP_END + +/* 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('\xA6') + 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 irisha_state::screen_update_irisha(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + UINT8 gfx; + UINT16 y,ma=0,x; + UINT16 *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( 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(); +} + +/************************************************* + + i8259 + +*************************************************/ + +WRITE_LINE_MEMBER(irisha_state::irisha_pic_set_int_line) +{ + m_maincpu->set_input_line(0, state ? HOLD_LINE : CLEAR_LINE); +} + + +/************************************************* + + 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 keycode; + + if (m_keyboard_cnt!=0 && m_keyboard_cnt<11) + keycode = m_io_ports[m_keyboard_cnt-1]->read() ^ 0xff; + else + keycode = 0xff; + + m_keyboard_cnt++; + + return keycode; +} + +WRITE_LINE_MEMBER(irisha_state::write_uart_clock) +{ + m_uart->write_txc(state); + m_uart->write_rxc(state); +} + + +/************************************************* + + Machine + +*************************************************/ + +void irisha_state::machine_start() +{ + static const char *const keynames[] = { + "LINE0", "LINE1", "LINE2", "LINE3", "LINE4", + "LINE5", "LINE6", "LINE7", "LINE8", "LINE9" + }; + + for ( UINT8 i = 0; i < 10; i++ ) + m_io_ports[i] = ioport( keynames[i] ); + + machine().scheduler().timer_pulse(attotime::from_msec(30), timer_expired_delegate(FUNC(irisha_state::irisha_key),this)); +} + +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 */ +static MACHINE_CONFIG_START( irisha, irisha_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", I8080, XTAL_16MHz / 9) + MCFG_CPU_PROGRAM_MAP(irisha_mem) + MCFG_CPU_IO_MAP(irisha_io) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(50) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ + MCFG_SCREEN_SIZE(320, 200) + MCFG_SCREEN_VISIBLE_AREA(0, 320-1, 0, 200-1) + MCFG_SCREEN_UPDATE_DRIVER(irisha_state, screen_update_irisha) + MCFG_SCREEN_PALETTE("palette") + + MCFG_GFXDECODE_ADD("gfxdecode", "palette", irisha) + MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette") + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) + + /* Devices */ + MCFG_DEVICE_ADD("uart", I8251, 0) + + MCFG_DEVICE_ADD("pit8253", PIT8253, 0) + MCFG_PIT8253_CLK0(XTAL_16MHz / 9) + MCFG_PIT8253_OUT0_HANDLER(DEVWRITELINE("pic8259", pic8259_device, ir0_w)) + MCFG_PIT8253_CLK1(XTAL_16MHz / 9 / 8 / 8) + MCFG_PIT8253_OUT1_HANDLER(WRITELINE(irisha_state, write_uart_clock)) + MCFG_PIT8253_CLK2(XTAL_16MHz / 9) + MCFG_PIT8253_OUT2_HANDLER(WRITELINE(irisha_state, speaker_w)) + + MCFG_DEVICE_ADD("ppi8255", I8255, 0) + MCFG_I8255_OUT_PORTA_CB(WRITE8(irisha_state, irisha_8255_porta_w)) + MCFG_I8255_IN_PORTB_CB(READ8(irisha_state, irisha_8255_portb_r)) + MCFG_I8255_OUT_PORTB_CB(WRITE8(irisha_state, irisha_8255_portb_w)) + MCFG_I8255_IN_PORTC_CB(READ8(irisha_state, irisha_8255_portc_r)) + MCFG_I8255_OUT_PORTC_CB(WRITE8(irisha_state, irisha_8255_portc_w)) + + MCFG_PIC8259_ADD( "pic8259", WRITELINE(irisha_state,irisha_pic_set_int_line), VCC, NULL ) +MACHINE_CONFIG_END + +/* 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, driver_device, 0, "MGU", "Irisha", MACHINE_NOT_WORKING) |