// license:BSD-3-Clause // copyright-holders:AJR /******************************************************************************* Serial keyboard emulation for Sanyo MBC-55x. The key matrix is based on schematics, though the MCU is not yet dumped. The Graph, Lock, Num Lock and 00 keys are not emulated yet, nor are the Lock and Graph key LEDs and the alternate keypad functions. The unknown jumper might select an international key layout. The interface has only one unidirectional communication line. The reset switch appears to be part of the main unit rather than the keyboard. The ASCII codes sent by this keyboard are converted into XT codes by MS-DOS using the lookup tables at the beginning of the ROM. *******************************************************************************/ #include "emu.h" #include "machine/mbc55x_kbd.h" #include "cpu/mcs48/mcs48.h" #include "machine/keyboard.ipp" //************************************************************************** // DEVICE TYPE DEFINITION //************************************************************************** DEFINE_DEVICE_TYPE(MBC55X_KEYBOARD, mbc55x_keyboard_device, "mbc55x_kbd", "MBC-55x Keyboard") mbc55x_keyboard_device::mbc55x_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : device_t(mconfig, MBC55X_KEYBOARD, tag, owner, clock) , device_matrix_keyboard_interface(mconfig, *this, "Y0", "Y1", "Y2", "Y3", "Y4", "Y5", "Y6", "Y7", "Y8", "Y9", "Y10", "Y11") , device_serial_interface(mconfig, *this) , m_modifiers(*this, "BUS") , m_txd_callback(*this) { } //************************************************************************** // INPUT MATRIX //************************************************************************** static INPUT_PORTS_START(mbc55x_kbd) PORT_START("Y0") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('\\') PORT_CHAR('|') PORT_CODE(KEYCODE_BACKSLASH) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(0x1b) PORT_CODE(KEYCODE_ESC) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK)) PORT_CODE(KEYCODE_NUMLOCK) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('1') PORT_CHAR('!') PORT_CODE(KEYCODE_1) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('q') PORT_CHAR('Q') PORT_CODE(KEYCODE_Q) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('a') PORT_CHAR('A') PORT_CODE(KEYCODE_A) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('<') PORT_CHAR('>') PORT_CODE(KEYCODE_BACKSLASH2) PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("PF1 PF6") PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_CODE(KEYCODE_F1) PORT_START("Y1") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) /*PORT_NAME("\xe2\x87\x90")*/ PORT_CHAR(0x08) PORT_CODE(KEYCODE_BACKSPACE) // ⇐ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) /*PORT_NAME("\xe2\x86\xb9")*/ PORT_CHAR(0x09) PORT_CODE(KEYCODE_TAB) // ↹ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Space") PORT_CHAR(' ') PORT_CODE(KEYCODE_SPACE) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('2') PORT_CHAR('@') PORT_CODE(KEYCODE_2) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('w') PORT_CHAR('W') PORT_CODE(KEYCODE_W) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('s') PORT_CHAR('S') PORT_CODE(KEYCODE_S) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('z') PORT_CHAR('Z') PORT_CODE(KEYCODE_Z) PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("PF2 PF7") PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_CHAR(UCHAR_MAMEKEY(F7)) PORT_CODE(KEYCODE_F2) PORT_START("Y2") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Del Ins") PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_CODE(KEYCODE_DEL) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) /*PORT_NAME("\xe2\x8f\x8e")*/ PORT_CHAR(0x0d) PORT_CODE(KEYCODE_ENTER) // ⏎ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Lock") PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_CODE(KEYCODE_LALT) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('3') PORT_CHAR('#') PORT_CODE(KEYCODE_3) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('e') PORT_CHAR('E') PORT_CODE(KEYCODE_E) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('d') PORT_CHAR('D') PORT_CODE(KEYCODE_D) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('x') PORT_CHAR('X') PORT_CODE(KEYCODE_X) PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("PF3 PF8") PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_CHAR(UCHAR_MAMEKEY(F8)) PORT_CODE(KEYCODE_F3) PORT_START("Y3") PORT_BIT(0xc0, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Graph") PORT_CODE(KEYCODE_RALT) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('4') PORT_CHAR('$') PORT_CODE(KEYCODE_4) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('r') PORT_CHAR('R') PORT_CODE(KEYCODE_R) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('f') PORT_CHAR('F') PORT_CODE(KEYCODE_F) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('c') PORT_CHAR('C') PORT_CODE(KEYCODE_C) PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("PF4 PF9") PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_CHAR(UCHAR_MAMEKEY(F9)) PORT_CODE(KEYCODE_F4) PORT_START("Y4") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Keypad 4 " UTF8_LEFT) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) PORT_CODE(KEYCODE_4_PAD) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) PORT_CODE(KEYCODE_0_PAD) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('5') PORT_CHAR('%') PORT_CODE(KEYCODE_5) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('t') PORT_CHAR('T') PORT_CODE(KEYCODE_T) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('g') PORT_CHAR('G') PORT_CODE(KEYCODE_G) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('v') PORT_CHAR('V') PORT_CODE(KEYCODE_V) PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("PF5 PF10") PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_CHAR(UCHAR_MAMEKEY(F10)) PORT_CODE(KEYCODE_F5) PORT_START("Y5") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Keypad 5 " UTF8_DOWN) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) PORT_CODE(KEYCODE_5_PAD) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(00_PAD)) PORT_CODE(KEYCODE_00_PAD) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('6') PORT_CHAR('^') PORT_CODE(KEYCODE_6) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('y') PORT_CHAR('Y') PORT_CODE(KEYCODE_Y) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('h') PORT_CHAR('H') PORT_CODE(KEYCODE_H) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('b') PORT_CHAR('B') PORT_CODE(KEYCODE_B) PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(EQUALS_PAD)) PORT_CODE(KEYCODE_EQUALS_PAD) PORT_START("Y6") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Keypad 6 " UTF8_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) PORT_CODE(KEYCODE_6_PAD) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) PORT_CODE(KEYCODE_DEL_PAD) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('7') PORT_CHAR('$') PORT_CODE(KEYCODE_7) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('u') PORT_CHAR('U') PORT_CODE(KEYCODE_U) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('j') PORT_CHAR('J') PORT_CODE(KEYCODE_J) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('n') PORT_CHAR('N') PORT_CODE(KEYCODE_N) PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD)) PORT_CODE(KEYCODE_SLASH_PAD) PORT_START("Y7") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Keypad 7 \xe2\x86\x96") PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) PORT_CODE(KEYCODE_7_PAD) // ↖ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Keypad 1 LF") PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) PORT_CODE(KEYCODE_1_PAD) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('8') PORT_CHAR('*') PORT_CODE(KEYCODE_8) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('i') PORT_CHAR('I') PORT_CODE(KEYCODE_I) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('k') PORT_CHAR('K') PORT_CODE(KEYCODE_K) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('m') PORT_CHAR('M') PORT_CODE(KEYCODE_M) PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) PORT_CODE(KEYCODE_ASTERISK) PORT_START("Y8") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Keypad 8 " UTF8_UP) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) PORT_CODE(KEYCODE_8_PAD) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) PORT_CODE(KEYCODE_2_PAD) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('9') PORT_CHAR('(') PORT_CODE(KEYCODE_9) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('o') PORT_CHAR('O') PORT_CODE(KEYCODE_O) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('l') PORT_CHAR('L') PORT_CODE(KEYCODE_L) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(", ,") PORT_CHAR(',') PORT_CODE(KEYCODE_COMMA) PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Break") PORT_CODE(KEYCODE_F15) PORT_START("Y9") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Keypad 9 Pg Up") PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) PORT_CODE(KEYCODE_9_PAD) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Keypad 3 Pg Dn") PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) PORT_CODE(KEYCODE_3_PAD) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('0') PORT_CHAR(')') PORT_CODE(KEYCODE_0) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('p') PORT_CHAR('P') PORT_CODE(KEYCODE_P) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(';') PORT_CHAR(':') PORT_CODE(KEYCODE_COLON) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(". .") PORT_CHAR('.') PORT_CODE(KEYCODE_STOP) PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) PORT_CODE(KEYCODE_F15) PORT_START("Y10") PORT_BIT(0xe0, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('-') PORT_CHAR('_') PORT_CODE(KEYCODE_MINUS) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('[') PORT_CHAR('{') PORT_CODE(KEYCODE_OPENBRACE) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('\'') PORT_CHAR('"') PORT_CODE(KEYCODE_QUOTE) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('/') PORT_CHAR('?') PORT_CODE(KEYCODE_SLASH) PORT_START("Y11") PORT_BIT(0xe0, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('=') PORT_CHAR('+') PORT_CODE(KEYCODE_EQUALS) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(']') PORT_CHAR('}') PORT_CODE(KEYCODE_CLOSEBRACE) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('`') PORT_CHAR('~') PORT_CODE(KEYCODE_TILDE) // to right of quote PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('*') PORT_CODE(KEYCODE_RCONTROL) // between slash and right shift PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) /*PORT_NAME("Keypad \xe2\x8f\x8e")*/ PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) PORT_CODE(KEYCODE_ENTER_PAD) // ⏎ PORT_START("BUS") PORT_BIT(0x8f, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CHAR(UCHAR_SHIFT_1) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CHAR(UCHAR_SHIFT_2) PORT_CODE(KEYCODE_LCONTROL) PORT_DIPNAME(0x40, 0x00, DEF_STR(Unknown)) PORT_DIPLOCATION("JP1:1") PORT_DIPSETTING(0x40, DEF_STR(Off)) PORT_DIPSETTING(0x00, DEF_STR(On)) INPUT_PORTS_END ioport_constructor mbc55x_keyboard_device::device_input_ports() const { return INPUT_PORTS_NAME(mbc55x_kbd); } //************************************************************************** // INITIALIZATION AND HLE SERIAL INTERFACE //************************************************************************** void mbc55x_keyboard_device::device_resolve_objects() { m_txd_callback.resolve_safe(); } void mbc55x_keyboard_device::device_start() { set_tra_rate(1230); // more or less } void mbc55x_keyboard_device::device_reset() { start_processing(attotime::from_hz(6_MHz_XTAL / 75)); // guess m_txd_callback(1); } void mbc55x_keyboard_device::tra_callback() { m_txd_callback(transmit_register_get_data_bit()); } void mbc55x_keyboard_device::tra_complete() { start_processing(attotime::from_hz(6_MHz_XTAL / 75)); } //************************************************************************** // KEYBOARD SCAN AND DECODING //************************************************************************** const u8 mbc55x_keyboard_device::s_code_table[2][12][8] = { { { 0x15, '>', 'A', 'Q', '!', 0x00, 0x1b, '|' }, { 0x16, 'Z', 'S', 'W', '@', ' ', 0x05, 0x08 }, { 0x17, 'X', 'D', 'E', '#', 0x00, 0x0d, 0x07 }, { 0x18, 'C', 'F', 'R', '$', '0', '4', 0x00 }, { 0x19, 'V', 'G', 'T', '%', 0x00, '5', 0x00 }, { '=', 'B', 'H', 'Y', '^', '.', '6', 0x00 }, { '/', 'N', 'J', 'U', '&', '1', '7', 0x00 }, { '*', 'M', 'K', 'I', '*', '2', '8', 0x00 }, { 0x03, ',', 'L', 'O', '(', '3', '9', 0x00 }, { '-', '.', ':', 'P', ')', 0x00, 0x00, 0x00 }, { '+', '?', '"', '{', '_', 0x00, 0x00, 0x00 }, { 0x0d, '*', '~', '}', '+', 0x00, 0x00, 0x00 } }, { { 0x10, '<', 'a', 'q', '1', 0x00, 0x1b, '\\' }, { 0x11, 'z', 's', 'w', '2', ' ', 0x09, 0x08 }, { 0x12, 'x', 'd', 'e', '3', 0x00, 0x0d, 0x7f }, { 0x13, 'c', 'f', 'r', '4', '0', '4', 0x00 }, { 0x14, 'v', 'g', 't', '5', 0x00, '5', 0x00 }, { '=', 'b', 'h', 'y', '6', '.', '6', 0x00 }, { '/', 'n', 'j', 'u', '7', '1', '7', 0x00 }, { '*', 'm', 'k', 'i', '8', '2', '8', 0x00 }, { 0x03, ',', 'l', 'o', '9', '3', '9', 0x00 }, { '-', '.', ';', 'p', '0', 0x00, 0x00, 0x00 }, { '+', '/', '\'', '[', '-', 0x00, 0x00, 0x00 }, { 0x0d, '*', '`', ']', '=', 0x00, 0x00, 0x00 } } }; void mbc55x_keyboard_device::key_make(u8 row, u8 column) { send_translated(row, column); } void mbc55x_keyboard_device::key_repeat(u8 row, u8 column) { send_translated(row, column); } void mbc55x_keyboard_device::scan_complete() { if (!is_transmit_register_empty()) stop_processing(); } void mbc55x_keyboard_device::send_key(u8 code, bool ctrl_active) { if (!is_transmit_register_empty()) return; // Control characters are transmitted with inverted parity set_data_frame(1, 8, ctrl_active ? PARITY_ODD : PARITY_EVEN, STOP_BITS_2); transmit_register_setup(code); } void mbc55x_keyboard_device::send_translated(u8 row, u8 column) { const ioport_value modifiers = m_modifiers->read(); u8 code = s_code_table[BIT(modifiers, 4)][row][column]; if (code != 0) send_key(code, !BIT(modifiers, 5)); } //************************************************************************** // KEYBOARD CONTROLLER CONFIGURATION //************************************************************************** void mbc55x_keyboard_device::device_add_mconfig(machine_config &config) { I8049(config, "kbdc", 6_MHz_XTAL).set_disable(); //kbdc.bus_in_cb().set_ioport("BUS"); //kbdc.p1_in_cb().set(FUNC(mbc55x_keyboard_device::key_matrix_r)); //kbdc.p2_out_cb().set(FUNC(mbc55x_keyboard_device::scan_output_w)); } ROM_START(mbc55x_kbd) ROM_REGION(0x0800, "kbdc", 0) ROM_LOAD("d8049hc.m1", 0x0000, 0x0800, NO_DUMP) ROM_END const tiny_rom_entry *mbc55x_keyboard_device::device_rom_region() const { return ROM_NAME(mbc55x_kbd); }