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// license:BSD-3-Clause
// copyright-holders:AJR
/**********************************************************************
Schneider EURO PC built-in 86-key keyboard
This keyboard was produced with several different European
layouts, including of course a German QWERTZ version. Currently a
British layout is provided.
Though the clocked serial interface is basically PC/XT-compatible,
there is also a separate reset output (which is triggered at
startup or by pressing Ctrl+Alt+Backspace), and the MCU clock is
derived from the same XTAL used for the onboard FDC.
Note that the column strobes for the key matrix are fake open
drain outputs produced by manipulating DDRA and DDRC rather than
the port latches.
**********************************************************************/
#include "emu.h"
#include "europc_kbd.h"
#include "cpu/m6805/m68705.h"
//**************************************************************************
// LLE KEYBOARD DEVICE
//**************************************************************************
DEFINE_DEVICE_TYPE(EUROPC_KEYBOARD, europc_keyboard_device, "europc_kbd", "EURO PC Keyboard")
europc_keyboard_device::europc_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
: device_t(mconfig, EUROPC_KEYBOARD, tag, owner, clock)
, m_mcu(*this, "mcu")
, m_keys(*this, "COLUMN%d", 1U)
, m_leds(*this, "led%d", 1U)
, m_kbdata_callback(*this)
, m_kbclk_callback(*this)
, m_reset_callback(*this)
, m_column_strobe(0x7fff)
, m_kbdata_in(true)
, m_kbclk_in(true)
, m_portb_out(0xff)
{
}
void europc_keyboard_device::device_resolve_objects()
{
m_kbdata_callback.resolve_safe();
m_kbclk_callback.resolve_safe();
m_reset_callback.resolve_safe();
m_leds.resolve();
}
void europc_keyboard_device::device_start()
{
save_item(NAME(m_column_strobe));
save_item(NAME(m_kbdata_in));
save_item(NAME(m_kbclk_in));
save_item(NAME(m_portb_out));
}
//**************************************************************************
// INPUT LINES
//**************************************************************************
WRITE_LINE_MEMBER(europc_keyboard_device::kbdata_w)
{
machine().scheduler().synchronize(timer_expired_delegate(FUNC(europc_keyboard_device::kbdata_sync_w), this), state);
}
TIMER_CALLBACK_MEMBER(europc_keyboard_device::kbdata_sync_w)
{
if (m_kbdata_in == param)
return;
m_kbdata_in = param;
if (BIT(m_portb_out, 1))
m_kbdata_callback(param);
}
WRITE_LINE_MEMBER(europc_keyboard_device::kbclk_w)
{
machine().scheduler().synchronize(timer_expired_delegate(FUNC(europc_keyboard_device::kbclk_sync_w), this), state);
}
TIMER_CALLBACK_MEMBER(europc_keyboard_device::kbclk_sync_w)
{
if (m_kbclk_in == param)
return;
m_kbclk_in = param;
if (BIT(m_portb_out, 0))
{
m_kbclk_callback(param);
m_mcu->set_input_line(M6805_IRQ_LINE, param ? CLEAR_LINE : ASSERT_LINE);
}
}
//**************************************************************************
// MCU PORTS
//**************************************************************************
void europc_keyboard_device::porta_w(offs_t offset, u8 data, u8 mem_mask)
{
data |= ~mem_mask;
m_column_strobe = (m_column_strobe & 0x7f00) | data;
}
u8 europc_keyboard_device::portb_r()
{
return 0xf0 | (m_kbdata_in ? 0x02 : 0x00) | (m_kbclk_in ? 0x01 : 0x00);
}
void europc_keyboard_device::portb_w(offs_t offset, u8 data, u8 mem_mask)
{
data |= ~mem_mask;
u8 portb_changed = std::exchange(m_portb_out, data) ^ data;
if (BIT(portb_changed, 1) && m_kbdata_in)
m_kbdata_callback(BIT(data, 1));
if (BIT(portb_changed, 0) && m_kbclk_in)
{
m_kbclk_callback(BIT(data, 0));
m_mcu->set_input_line(M6805_IRQ_LINE, BIT(data, 0) ? CLEAR_LINE : ASSERT_LINE);
}
if (BIT(portb_changed, 4))
m_reset_callback(!BIT(data, 4)); // discrete open collector
m_leds[0] = !BIT(data, 2); // Caps Lock
m_leds[1] = !BIT(data, 3); // Num Lock
}
void europc_keyboard_device::portc_w(offs_t offset, u8 data, u8 mem_mask)
{
data |= ~mem_mask;
m_column_strobe = u16(data & 0x7f) << 8 | (m_column_strobe & 0x00ff);
}
u8 europc_keyboard_device::portd_r()
{
u8 d = 0xff;
for (int i = 0; i < 15; i++)
if (!BIT(m_column_strobe, i))
d &= m_keys[i]->read();
return d;
}
void europc_keyboard_device::device_add_mconfig(machine_config &config)
{
m6805u2_device &mcu(M6805U2(config, m_mcu, DERIVED_CLOCK(1, 1)));
mcu.set_timer_divisor(4); // determines key repeat rate; code sets this value but mask version of MCU ignores it
mcu.set_timer_external_source(false); // TIMER pin is pulled up
mcu.porta_w().set(FUNC(europc_keyboard_device::porta_w));
mcu.portb_r().set(FUNC(europc_keyboard_device::portb_r));
mcu.portb_w().set(FUNC(europc_keyboard_device::portb_w));
mcu.portc_w().set(FUNC(europc_keyboard_device::portc_w));
mcu.portd_r().set(FUNC(europc_keyboard_device::portd_r));
}
//**************************************************************************
// KEY MATRIX
//**************************************************************************
static INPUT_PORTS_START(europc_kbd)
PORT_START("COLUMN1")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(0x1b) PORT_CODE(KEYCODE_ESC)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_CODE(KEYCODE_F1)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_CODE(KEYCODE_F2)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_CODE(KEYCODE_F3)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_CODE(KEYCODE_F4)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_CODE(KEYCODE_F5)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_CODE(KEYCODE_F6)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F7)) PORT_CODE(KEYCODE_F7)
PORT_START("COLUMN2")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('\\') PORT_CHAR('|') PORT_CODE(KEYCODE_TILDE)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('1') PORT_CHAR('!') PORT_CODE(KEYCODE_1)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('2') PORT_CHAR('"') PORT_CODE(KEYCODE_2)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('3') PORT_CHAR(0x00a3) PORT_CODE(KEYCODE_3)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('4') PORT_CHAR('$') PORT_CODE(KEYCODE_4)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('5') PORT_CHAR('%') PORT_CODE(KEYCODE_5)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('6') PORT_CHAR('^') PORT_CODE(KEYCODE_6)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('7') PORT_CHAR('&') PORT_CODE(KEYCODE_7)
PORT_START("COLUMN3")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CHAR('q') PORT_CHAR('Q') PORT_CODE(KEYCODE_Q)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CHAR('w') PORT_CHAR('W') PORT_CODE(KEYCODE_W)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CHAR('e') PORT_CHAR('E') PORT_CODE(KEYCODE_E)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CHAR('r') PORT_CHAR('R') PORT_CODE(KEYCODE_R)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CHAR('t') PORT_CHAR('T') PORT_CODE(KEYCODE_T)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CHAR('y') PORT_CHAR('Y') PORT_CODE(KEYCODE_Y)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CHAR('u') PORT_CHAR('U') PORT_CODE(KEYCODE_U)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CHAR('i') PORT_CHAR('I') PORT_CODE(KEYCODE_I)
PORT_START("COLUMN4")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CHAR('a') PORT_CHAR('A') PORT_CODE(KEYCODE_A)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CHAR('s') PORT_CHAR('S') PORT_CODE(KEYCODE_S)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CHAR('d') PORT_CHAR('D') PORT_CODE(KEYCODE_D)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CHAR('f') PORT_CHAR('F') PORT_CODE(KEYCODE_F)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CHAR('g') PORT_CHAR('G') PORT_CODE(KEYCODE_G)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CHAR('h') PORT_CHAR('H') PORT_CODE(KEYCODE_H)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CHAR('j') PORT_CHAR('J') PORT_CODE(KEYCODE_J)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CHAR('k') PORT_CHAR('K') PORT_CODE(KEYCODE_K)
PORT_START("COLUMN5")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CHAR('z') PORT_CHAR('Z') PORT_CODE(KEYCODE_Z)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CHAR('x') PORT_CHAR('X') PORT_CODE(KEYCODE_X)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CHAR('c') PORT_CHAR('C') PORT_CODE(KEYCODE_C)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CHAR('v') PORT_CHAR('V') PORT_CODE(KEYCODE_V)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CHAR('b') PORT_CHAR('B') PORT_CODE(KEYCODE_B)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CHAR('n') PORT_CHAR('N') PORT_CODE(KEYCODE_N)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CHAR('m') PORT_CHAR('M') PORT_CODE(KEYCODE_M)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(',') PORT_CHAR('<') PORT_CODE(KEYCODE_COMMA)
PORT_START("COLUMN6")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F8)) PORT_CODE(KEYCODE_F8)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('9') PORT_CHAR('(') PORT_CODE(KEYCODE_9)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('8') PORT_CHAR('*') PORT_CODE(KEYCODE_8)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CHAR('o') PORT_CHAR('O') PORT_CODE(KEYCODE_O)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('.') PORT_CHAR('>') PORT_CODE(KEYCODE_STOP)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CHAR('l') PORT_CHAR('L') PORT_CODE(KEYCODE_L)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('[') PORT_CHAR('{') PORT_CODE(KEYCODE_OPENBRACE)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CHAR('p') PORT_CHAR('P') PORT_CODE(KEYCODE_P)
PORT_START("COLUMN7")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) PORT_CODE(KEYCODE_ENTER_PAD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F11)) PORT_CODE(KEYCODE_F11)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) PORT_CODE(KEYCODE_PLUS_PAD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) PORT_CODE(KEYCODE_MINUS_PAD)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 2 " UTF8_DOWN) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) PORT_CODE(KEYCODE_2_PAD)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 7 Home") PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) PORT_CODE(KEYCODE_7_PAD)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('-') PORT_CHAR('_') PORT_CODE(KEYCODE_MINUS)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('\'') PORT_CHAR('@') PORT_CODE(KEYCODE_QUOTE)
PORT_START("COLUMN8")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad . Del") PORT_CHAR(UCHAR_MAMEKEY(COMMA_PAD)) PORT_CODE(KEYCODE_DEL_PAD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F12)) PORT_CODE(KEYCODE_F12)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 9 Pg Up") PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) PORT_CODE(KEYCODE_9_PAD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad * PrtSc") PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) PORT_CODE(KEYCODE_ASTERISK)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) PORT_CODE(KEYCODE_5_PAD)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK)) PORT_CODE(KEYCODE_NUMLOCK)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('0') PORT_CHAR(')') PORT_CODE(KEYCODE_0)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(';') PORT_CHAR(':') PORT_CODE(KEYCODE_COLON)
PORT_START("COLUMN9")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 0 Ins") PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F10)) PORT_CODE(KEYCODE_F10)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 6 " UTF8_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) PORT_CODE(KEYCODE_6_PAD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Scroll Lock Break") PORT_CHAR(UCHAR_MAMEKEY(SCRLOCK)) PORT_CODE(KEYCODE_SLASH_PAD)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 1 End") PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) PORT_CODE(KEYCODE_1_PAD)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(0x08) PORT_CODE(KEYCODE_BACKSPACE)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(']') PORT_CHAR('}') PORT_CODE(KEYCODE_CLOSEBRACE)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('/') PORT_CHAR('?') PORT_CODE(KEYCODE_SLASH)
PORT_START("COLUMN10")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_CODE(KEYCODE_RCONTROL)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F9)) PORT_CODE(KEYCODE_F9)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 3 Pg Dn") PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) PORT_CODE(KEYCODE_3_PAD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 8 " UTF8_UP) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) PORT_CODE(KEYCODE_8_PAD)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 4 " UTF8_LEFT) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) PORT_CODE(KEYCODE_4_PAD)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(0x0d) PORT_CODE(KEYCODE_ENTER)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('=') PORT_CHAR('+') PORT_CODE(KEYCODE_EQUALS)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('#') PORT_CHAR('~') PORT_CODE(KEYCODE_BACKSLASH) // to right of quote key
PORT_START("COLUMN11")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(' ') PORT_CODE(KEYCODE_SPACE)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(0x09) PORT_CODE(KEYCODE_TAB)
PORT_BIT(0xfc, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("COLUMN12")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) PORT_CODE(KEYCODE_LCONTROL)
PORT_BIT(0xfe, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("COLUMN13")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift Left") PORT_CHAR(UCHAR_SHIFT_1) PORT_CODE(KEYCODE_LSHIFT)
PORT_BIT(0xfe, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("COLUMN14")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Alt") PORT_CHAR(UCHAR_MAMEKEY(LALT)) PORT_CODE(KEYCODE_LALT)
PORT_BIT(0xfe, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("COLUMN15")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift Right") PORT_CHAR(UCHAR_MAMEKEY(RSHIFT)) PORT_CODE(KEYCODE_RSHIFT)
PORT_BIT(0xfe, IP_ACTIVE_LOW, IPT_UNUSED)
INPUT_PORTS_END
ioport_constructor europc_keyboard_device::device_input_ports() const
{
return INPUT_PORTS_NAME(europc_kbd);
}
//**************************************************************************
// INTERNAL ROM
//**************************************************************************
ROM_START(europc_kbd)
ROM_REGION(0x1000, "mcu", 0)
ROM_LOAD("zc86115p-mc6805u2.bin", 0x0000, 0x1000, CRC(d90c1fab) SHA1(ddb7060abddee7294723833c303090de35c1e79c))
ROM_END
const tiny_rom_entry *europc_keyboard_device::device_rom_region() const
{
return ROM_NAME(europc_kbd);
}
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