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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************

    Telenova Compis keyboard emulation

*********************************************************************/

#include "compiskb.h"



//**************************************************************************
//  MACROS / CONSTANTS
//**************************************************************************

#define I8748_TAG       "i8748"
#define SPEAKER_TAG     "speaker"



//**************************************************************************
//  DEVICE DEFINITIONS
//**************************************************************************

const device_type COMPIS_KEYBOARD = &device_creator<compis_keyboard_device>;


//-------------------------------------------------
//  ROM( compis_keyboard )
//-------------------------------------------------

ROM_START( compis_keyboard )
	ROM_REGION( 0x800, I8748_TAG, 0 )
	ROM_LOAD( "cmpkey13.u1", 0x000, 0x800, CRC(3f87d138) SHA1(c04e2d325b9c04818bc7c47c3bf32b13862b11ec) )
ROM_END


//-------------------------------------------------
//  rom_region - device-specific ROM region
//-------------------------------------------------

const rom_entry *compis_keyboard_device::device_rom_region() const
{
	return ROM_NAME( compis_keyboard );
}


//-------------------------------------------------
//  ADDRESS_MAP( compis_keyboard_io )
//-------------------------------------------------

static ADDRESS_MAP_START( compis_keyboard_io, AS_IO, 8, compis_keyboard_device )
	AM_RANGE(MCS48_PORT_BUS, MCS48_PORT_BUS) AM_READWRITE(bus_r, bus_w)
	AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_READ(p1_r) AM_WRITENOP
	AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_READ(p2_r) AM_WRITENOP
	AM_RANGE(MCS48_PORT_T0, MCS48_PORT_T0) AM_NOP
	AM_RANGE(MCS48_PORT_T1, MCS48_PORT_T1) AM_NOP
ADDRESS_MAP_END


//-------------------------------------------------
//  MACHINE_DRIVER( compis_keyboard )
//-------------------------------------------------

static MACHINE_CONFIG_FRAGMENT( compis_keyboard )
	MCFG_CPU_ADD(I8748_TAG, I8748, XTAL_2MHz)
	MCFG_CPU_IO_MAP(compis_keyboard_io)

	// sound hardware
	MCFG_SPEAKER_STANDARD_MONO("mono")
	MCFG_SOUND_ADD(SPEAKER_TAG, SPEAKER_SOUND, 0)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MACHINE_CONFIG_END


//-------------------------------------------------
//  machine_config_additions - device-specific
//  machine configurations
//-------------------------------------------------

machine_config_constructor compis_keyboard_device::device_mconfig_additions() const
{
	return MACHINE_CONFIG_NAME( compis_keyboard );
}


//-------------------------------------------------
//  INPUT_PORTS( compis_keyboard )
//-------------------------------------------------

INPUT_PORTS_START( compis_keyboard )
	PORT_START("Y1")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(u_UMLAUT " " U_UMLAUT) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(0x00FC) PORT_CHAR(0x00DC)
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("TABR") PORT_CODE(KEYCODE_PGDN) PORT_CHAR(UCHAR_MAMEKEY(PGDN))
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD))
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("TABL") PORT_CODE(KEYCODE_PGUP) PORT_CHAR(UCHAR_MAMEKEY(PGUP))
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_DOWN) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad +") PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD))
	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD))
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR(':')
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('-') PORT_CHAR('_')
	PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("Y2")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("'' *") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('*')
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("COMPIS !") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("COMPIS ?") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("COMPIS |") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD))
	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 000") PORT_CODE(KEYCODE_ASTERISK)
	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 00") PORT_CODE(KEYCODE_SLASH_PAD)
	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_UNUSED ) // 49
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_UNUSED ) // 52
	PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("Y3")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('<') PORT_CHAR('>')
	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_UNUSED ) // 41
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR(';')
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
	PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("Y4")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_UNUSED ) // 4b
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
	PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("Y5")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
	PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("Y6")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('/')
	PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("Y7")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(o_UMLAUT " " O_UMLAUT) PORT_CODE(KEYCODE_COLON) PORT_CHAR(0x00F6) PORT_CHAR(0x00D6)
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("INPASSA") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("S" O_UMLAUT "K") PORT_CODE(KEYCODE_PRTSCR) PORT_CHAR(UCHAR_MAMEKEY(PRTSCR))
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("UTPL" A_RING "NA") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL))
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("COMPIS S") PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(F6))
	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad C") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD))
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xe2\x8c\xab") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('+') PORT_CHAR('?')
	PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("Y8")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) //TODO utf8
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("AVBRYT") PORT_CODE(KEYCODE_SCRLOCK) PORT_CHAR(UCHAR_MAMEKEY(F7))
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("START-STOP") PORT_CODE(KEYCODE_PAUSE) PORT_CHAR(UCHAR_MAMEKEY(PAUSE))
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad ,") PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD))
	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(a_RING " " A_RING) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR(0x00E5) PORT_CHAR(0x00C5)
	PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("Y9")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('=')
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("COMPIS +")
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD))
	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD))
	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD))
	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad -") PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD))
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(a_UMLAUT " " A_UMLAUT) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(0x00E4) PORT_CHAR(0x00C4)
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xC2\xB4 `") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('`')
	PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("SPECIAL")
	PORT_BIT( 0x0f, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xe2\x87\xa9") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xe2\x87\xa7\xe2\x87\xa7") PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xe2\x87\xa7") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
INPUT_PORTS_END


//-------------------------------------------------
//  input_ports - device-specific input ports
//-------------------------------------------------

ioport_constructor compis_keyboard_device::device_input_ports() const
{
	return INPUT_PORTS_NAME( compis_keyboard );
}



//**************************************************************************
//  LIVE DEVICE
//**************************************************************************

//-------------------------------------------------
//  compis_keyboard_device - constructor
//-------------------------------------------------

compis_keyboard_device::compis_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
	: device_t(mconfig, COMPIS_KEYBOARD, "Compis Keyboard", tag, owner, clock, "compiskb", __FILE__),
		m_maincpu(*this, I8748_TAG),
		m_speaker(*this, SPEAKER_TAG),
		m_y1(*this, "Y1"),
		m_y2(*this, "Y2"),
		m_y3(*this, "Y3"),
		m_y4(*this, "Y4"),
		m_y5(*this, "Y5"),
		m_y6(*this, "Y6"),
		m_y7(*this, "Y7"),
		m_y8(*this, "Y8"),
		m_y9(*this, "Y9"),
		m_special(*this, "SPECIAL"),
		m_out_tx_handler(*this),
		m_bus(0xff),
		m_keylatch(0)
{
}


//-------------------------------------------------
//  device_start - device-specific startup
//-------------------------------------------------

void compis_keyboard_device::device_start()
{
	// resolve callbacks
	m_out_tx_handler.resolve_safe();
	m_out_tx_handler(1);
}


//-------------------------------------------------
//  si_w - serial input write
//-------------------------------------------------

WRITE_LINE_MEMBER( compis_keyboard_device::si_w )
{
	m_maincpu->set_input_line(MCS48_INPUT_IRQ, state ? CLEAR_LINE : ASSERT_LINE);
}


//-------------------------------------------------
//  bus_r -
//-------------------------------------------------

READ8_MEMBER( compis_keyboard_device::bus_r )
{
	// HACK this should be handled in mcs48.c
	return m_bus;
}


//-------------------------------------------------
//  bus_w -
//-------------------------------------------------

WRITE8_MEMBER( compis_keyboard_device::bus_w )
{
	/*

	    bit     description

	    0       keyboard row bit 0
	    1       keyboard row bit 1
	    2       keyboard row bit 2
	    3       keyboard row bit 3
	    4
	    5       speaker
	    6       CAPS LED
	    7       data out

	*/

	m_bus = data;

	// keyboard column
	m_keylatch = (data & 0x0f);

	// speaker
	m_speaker->level_w(BIT(data, 5));

	// LEDs
	output_set_led_value(LED_CAPS, BIT(data, 6));

	// serial data out
	m_out_tx_handler(BIT(data, 7));
}


//-------------------------------------------------
//  bus_w -
//-------------------------------------------------

READ8_MEMBER( compis_keyboard_device::p1_r )
{
	UINT8 data = 0xff;

	switch (m_keylatch)
	{
	case 1: data &= m_y1->read(); break;
	case 2: data &= m_y2->read(); break;
	case 3: data &= m_y3->read(); break;
	case 4: data &= m_y4->read(); break;
	case 5: data &= m_y5->read(); break;
	case 6: data &= m_y6->read(); break;
	case 7: data &= m_y7->read(); break;
	case 8: data &= m_y8->read(); break;
	case 9: data &= m_y9->read(); break;
	}

	return data;
}


//-------------------------------------------------
//  p2_r -
//-------------------------------------------------

READ8_MEMBER( compis_keyboard_device::p2_r )
{
	UINT8 data = 0xff;

	switch (m_keylatch)
	{
	case 1: data &= m_y1->read() >> 8; break;
	case 2: data &= m_y2->read() >> 8; break;
	case 3: data &= m_y3->read() >> 8; break;
	case 4: data &= m_y4->read() >> 8; break;
	case 5: data &= m_y5->read() >> 8; break;
	case 6: data &= m_y6->read() >> 8; break;
	case 7: data &= m_y7->read() >> 8; break;
	case 8: data &= m_y8->read() >> 8; break;
	case 9: data &= m_y9->read() >> 8; break;
	}

	data &= m_special->read();

	return data;
}