// license:BSD-3-Clause // copyright-holders:Carl #include "emu.h" #include "m24_kbd.h" DEFINE_DEVICE_TYPE(M24_KEYBOARD, m24_keyboard_device, "m24_kbd", "Olivetti M24 Keyboard") ROM_START( m24_keyboard ) ROM_REGION(0x800, "mcu", 0) ROM_LOAD("m24_8049_int.bin", 0x0000, 0x800, CRC(ef26ca15) SHA1(b5076d40c255e17dc93478e2254ea19aff4918b3)) ROM_END const tiny_rom_entry *m24_keyboard_device::device_rom_region() const { return ROM_NAME( m24_keyboard ); } void m24_keyboard_device::device_add_mconfig(machine_config &config) { I8049(config, m_mcu, XTAL(6'000'000)); m_mcu->bus_out_cb().set(FUNC(m24_keyboard_device::bus_w)); m_mcu->p1_in_cb().set(FUNC(m24_keyboard_device::p1_r)); m_mcu->p1_out_cb().set(FUNC(m24_keyboard_device::p1_w)); m_mcu->p2_in_cb().set(FUNC(m24_keyboard_device::p2_r)); m_mcu->t0_in_cb().set(FUNC(m24_keyboard_device::t0_r)); m_mcu->t1_in_cb().set(FUNC(m24_keyboard_device::t1_r)); } INPUT_PORTS_START( m24_keyboard ) PORT_START("ROW.0") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') 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_A) PORT_CHAR('a') PORT_CHAR('A') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_START("ROW.1") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_START("ROW.2") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') 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_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_START("ROW.3") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_START("ROW.4") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_START("ROW.5") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^') 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_H) PORT_CHAR('h') PORT_CHAR('H') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_START("ROW.6") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') 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_M) PORT_CHAR('m') PORT_CHAR('M') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7)) PORT_START("ROW.7") 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_I) PORT_CHAR('i') PORT_CHAR('I') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8)) PORT_START("ROW.8") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9)) PORT_START("ROW.9") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('?') PORT_CHAR('/') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10)) PORT_START("ROW.10") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') 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_EQUALS) PORT_CHAR('=') PORT_CHAR('+') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START("ROW.11") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SCRLOCK) PORT_CHAR(UCHAR_MAMEKEY(SCRLOCK)) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START("ROW.12") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START("ROW.13") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START("ROW.14") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START("ROW.15") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Unknown 0x2A") PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RSHIFT) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK)) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_SHIFT_2) PORT_START("MOUSEBTN") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("Left Btn") PORT_CODE(MOUSECODE_BUTTON1) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("Middle Btn") PORT_CODE(MOUSECODE_BUTTON3) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("Right Btn") PORT_CODE(MOUSECODE_BUTTON2) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) INPUT_PORTS_END ioport_constructor m24_keyboard_device::device_input_ports() const { return INPUT_PORTS_NAME( m24_keyboard ); } m24_keyboard_device::m24_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, M24_KEYBOARD, tag, owner, clock) , m_rows(*this, "ROW.%u", 0) , m_mousebtn(*this, "MOUSEBTN") , m_out_data(*this) , m_mcu(*this, "mcu") { } void m24_keyboard_device::device_start() { m_out_data.resolve_safe(); m_out_data(1); m_reset_timer = timer_alloc(); } void m24_keyboard_device::device_reset() { m_kbcdata = true; } void m24_keyboard_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) { m_mcu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE); m_out_data(1); } READ8_MEMBER( m24_keyboard_device::p1_r ) { return m_p1 | (m_kbcdata ? 0 : 2); } WRITE8_MEMBER( m24_keyboard_device::p1_w ) { // bit 3 and 4 are leds and bits 6 and 7 are jumpers to ground m_p1 = data & ~0xc0; if(m_p1 & 4) m_p1 |= 2; else m_p1 &= ~2; m_out_data(!BIT(data, 2)); } READ8_MEMBER( m24_keyboard_device::p2_r ) { return (m_keypress << 7) | m_mousebtn->read(); } READ_LINE_MEMBER( m24_keyboard_device::t0_r ) { return 0; } READ_LINE_MEMBER( m24_keyboard_device::t1_r ) { return 0; } WRITE8_MEMBER( m24_keyboard_device::bus_w ) { uint8_t col = m_rows[(data >> 3) & 0xf]->read(); m_keypress = (col & (1 << (data & 7))) ? 1 : 0; } WRITE_LINE_MEMBER( m24_keyboard_device::clock_w ) { m_mcu->set_input_line(MCS48_INPUT_IRQ, !state); if(!state) m_reset_timer->adjust(attotime::from_msec(50)); else { m_reset_timer->adjust(attotime::never); m_mcu->set_input_line(INPUT_LINE_RESET, CLEAR_LINE); } } WRITE_LINE_MEMBER( m24_keyboard_device::data_w ) { m_kbcdata = state; }