// 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); }