// license:BSD-3-Clause // copyright-holders:AJR /********************************************************************** CIT-101 85-key keyboard This serial keyboard appears to transmit and receive signals over a single bidirectional wire at 4800 bits per second. Unlike the VT100 keyboard whose layout it mimics (indicator LEDs included), the CIT-101 keyboard transmits standard ASCII codes for most keys, and the complexity of decoding these strongly suggests that this must be done by some sort of MCU. There are also a few special characters with the 8th bit set, including the numeric keypad, the cursor keys, the Return key and the all-important no-key code. TODO: identify and dump MCU for low-level emulation TODO: indicator LEDs TODO: make repeat key do something TODO: CTRL+G doesn't seem to generate a beep **********************************************************************/ #include "emu.h" #include "cit101_kbd.h" #include "speaker.h" #include "machine/keyboard.ipp" //************************************************************************** // HLE KEYBOARD DEVICE //************************************************************************** DEFINE_DEVICE_TYPE(CIT101_HLE_KEYBOARD, cit101_hle_keyboard_device, "cit101_hle_kbd", "CIT-101 HLE Keyboard") cit101_hle_keyboard_device::cit101_hle_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : device_t(mconfig, CIT101_HLE_KEYBOARD, tag, owner, clock) , device_matrix_keyboard_interface(mconfig, *this, "KEYS0", "KEYS1", "KEYS2", "KEYS3") , device_buffered_serial_interface(mconfig, *this) , m_modifiers(*this, "MODIFIERS") , m_beeper(*this, "beeper") , m_txd_callback(*this) , m_command{0, 1} { } INPUT_PORTS_START(cit101_hle_keyboard) PORT_START("MODIFIERS") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_SHIFT_2) PORT_CODE(KEYCODE_LCONTROL) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_SHIFT_1) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_TOGGLE PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_CODE(KEYCODE_CAPSLOCK) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Repeat") PORT_CODE(KEYCODE_RCONTROL) PORT_START("KEYS0") PORT_BIT(0x00000003, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x00000004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("] }") PORT_CHAR(']') PORT_CHAR('}') PORT_CHAR(0x1d) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_BIT(0x00000008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("\\ |") PORT_CHAR('\\') PORT_CHAR('|') PORT_CHAR(0x1c) PORT_CODE(KEYCODE_BACKSLASH) PORT_BIT(0x00000010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('[') PORT_CHAR('{') PORT_CODE(KEYCODE_OPENBRACE) PORT_BIT(0x00000020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Z") PORT_CHAR('z') PORT_CHAR('Z') PORT_CHAR(0x1a) PORT_CODE(KEYCODE_Z) PORT_BIT(0x00000040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Y") PORT_CHAR('y') PORT_CHAR('Y') PORT_CHAR(0x19) PORT_CODE(KEYCODE_Y) PORT_BIT(0x00000080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("X") PORT_CHAR('x') PORT_CHAR('X') PORT_CHAR(0x18) PORT_CODE(KEYCODE_X) PORT_BIT(0x00000100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("W") PORT_CHAR('W') PORT_CHAR('W') PORT_CHAR(0x17) PORT_CODE(KEYCODE_W) PORT_BIT(0x00000200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("V") PORT_CHAR('v') PORT_CHAR('V') PORT_CHAR(0x16) PORT_CODE(KEYCODE_V) PORT_BIT(0x00000400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("U") PORT_CHAR('u') PORT_CHAR('U') PORT_CHAR(0x15) PORT_CODE(KEYCODE_U) PORT_BIT(0x00000800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("T") PORT_CHAR('t') PORT_CHAR('T') PORT_CHAR(0x14) PORT_CODE(KEYCODE_T) PORT_BIT(0x00001000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("S") PORT_CHAR('s') PORT_CHAR('S') PORT_CHAR(0x13) PORT_CODE(KEYCODE_S) PORT_BIT(0x00002000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("R") PORT_CHAR('r') PORT_CHAR('R') PORT_CHAR(0x12) PORT_CODE(KEYCODE_R) PORT_BIT(0x00004000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Q") PORT_CHAR('q') PORT_CHAR('Q') PORT_CHAR(0x11) PORT_CODE(KEYCODE_Q) PORT_BIT(0x00008000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("P") PORT_CHAR('p') PORT_CHAR('P') PORT_CHAR(0x10) PORT_CODE(KEYCODE_P) PORT_BIT(0x00010000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("O") PORT_CHAR('o') PORT_CHAR('O') PORT_CHAR(0x0f) PORT_CODE(KEYCODE_O) PORT_BIT(0x00020000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("N") PORT_CHAR('n') PORT_CHAR('N') PORT_CHAR(0x0e) PORT_CODE(KEYCODE_N) PORT_BIT(0x00040000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("M") PORT_CHAR('m') PORT_CHAR('M') PORT_CODE(KEYCODE_M) PORT_BIT(0x00080000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("L") PORT_CHAR('l') PORT_CHAR('L') PORT_CHAR(0x0c) PORT_CODE(KEYCODE_L) PORT_BIT(0x00100000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("K") PORT_CHAR('k') PORT_CHAR('K') PORT_CHAR(0x0b) PORT_CODE(KEYCODE_K) PORT_BIT(0x00200000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("J") PORT_CHAR('j') PORT_CHAR('J') PORT_CODE(KEYCODE_J) PORT_BIT(0x00400000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("I") PORT_CHAR('i') PORT_CHAR('I') PORT_CODE(KEYCODE_I) PORT_BIT(0x00800000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("H") PORT_CHAR('h') PORT_CHAR('H') PORT_CODE(KEYCODE_H) PORT_BIT(0x01000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("G (Bell)") PORT_CHAR('g') PORT_CHAR('G') PORT_CHAR(0x07) PORT_CODE(KEYCODE_G) PORT_BIT(0x02000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F") PORT_CHAR('f') PORT_CHAR('F') PORT_CHAR(0x06) PORT_CODE(KEYCODE_F) PORT_BIT(0x04000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("E") PORT_CHAR('e') PORT_CHAR('E') PORT_CHAR(0x05) PORT_CODE(KEYCODE_E) PORT_BIT(0x08000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("D") PORT_CHAR('d') PORT_CHAR('D') PORT_CHAR(0x04) PORT_CODE(KEYCODE_D) PORT_BIT(0x10000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("C") PORT_CHAR('c') PORT_CHAR('C') PORT_CHAR(0x03) PORT_CODE(KEYCODE_C) PORT_BIT(0x20000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("B") PORT_CHAR('b') PORT_CHAR('B') PORT_CHAR(0x02) PORT_CODE(KEYCODE_B) PORT_BIT(0x40000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("A") PORT_CHAR('a') PORT_CHAR('A') PORT_CHAR(0x01) PORT_CODE(KEYCODE_A) PORT_BIT(0x80000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("` ~") PORT_CHAR('`') PORT_CHAR('~') PORT_CHAR(0x1e) PORT_CODE(KEYCODE_TILDE) PORT_START("KEYS1") PORT_BIT(0x00000003, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x00000004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('=') PORT_CHAR('+') PORT_CODE(KEYCODE_EQUALS) PORT_BIT(0x00000008, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x00000010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(';') PORT_CHAR(':') PORT_CODE(KEYCODE_COLON) PORT_BIT(0x00000020, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x00000040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('9') PORT_CHAR('(') PORT_CODE(KEYCODE_9) PORT_BIT(0x00000080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('8') PORT_CHAR('*') PORT_CODE(KEYCODE_8) PORT_BIT(0x00000100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('7') PORT_CHAR('&') PORT_CODE(KEYCODE_7) PORT_BIT(0x00000200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('6') PORT_CHAR('^') PORT_CODE(KEYCODE_6) PORT_BIT(0x00000400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('5') PORT_CHAR('%') PORT_CODE(KEYCODE_5) PORT_BIT(0x00000800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('4') PORT_CHAR('$') PORT_CODE(KEYCODE_4) PORT_BIT(0x00001000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("3 # \xc2\xa3") PORT_CHAR('3') PORT_CHAR('#', 0xa3) PORT_CODE(KEYCODE_3) PORT_BIT(0x00002000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('2') PORT_CHAR('@') PORT_CODE(KEYCODE_2) PORT_BIT(0x00004000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('1') PORT_CHAR('!') PORT_CODE(KEYCODE_1) PORT_BIT(0x00008000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('0') PORT_CHAR(')') PORT_CODE(KEYCODE_0) PORT_BIT(0x00010000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("/ ?") PORT_CHAR('/') PORT_CHAR('?') PORT_CHAR(0x1f) PORT_CODE(KEYCODE_SLASH) PORT_BIT(0x00020000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('.') PORT_CHAR('>') PORT_CODE(KEYCODE_STOP) PORT_BIT(0x00040000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('-') PORT_CHAR('_') PORT_CODE(KEYCODE_MINUS) PORT_BIT(0x00080000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(',') PORT_CHAR('<') PORT_CODE(KEYCODE_COMMA) PORT_BIT(0x00f00000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x01000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('\'') PORT_CHAR('"') PORT_CODE(KEYCODE_QUOTE) PORT_BIT(0x7e000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x80000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(' ') PORT_CODE(KEYCODE_SPACE) PORT_START("KEYS2") PORT_BIT(0x00000001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Delete") PORT_CHAR(0x7f) PORT_CODE(KEYCODE_DEL) PORT_BIT(0x0000000e, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x00000010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(0x1b) PORT_CODE(KEYCODE_ESC) PORT_BIT(0x001fffe0, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x00200000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Line Feed") PORT_CHAR(0x0a) PORT_CODE(KEYCODE_RALT) PORT_BIT(0x00400000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(0x09) PORT_CODE(KEYCODE_TAB) PORT_BIT(0x00800000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Back Space") PORT_CHAR(0x08) PORT_CODE(KEYCODE_BACKSPACE) PORT_BIT(0xff000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_START("KEYS3") PORT_BIT(0x00000001, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x00000002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Test Key 2") PORT_BIT(0x00000004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Test Key 1") PORT_BIT(0x00000008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("No Scroll") PORT_CHAR(UCHAR_MAMEKEY(SCRLOCK)) PORT_CODE(KEYCODE_LALT) PORT_BIT(0x00000010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Break") PORT_CHAR(UCHAR_MAMEKEY(PAUSE)) PORT_CODE(KEYCODE_END) PORT_BIT(0x00000020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Clr Home") PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_CODE(KEYCODE_HOME) PORT_BIT(0x00000040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) PORT_CODE(KEYCODE_9_PAD) PORT_BIT(0x00000080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) PORT_CODE(KEYCODE_8_PAD) PORT_BIT(0x00000100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) PORT_CODE(KEYCODE_7_PAD) PORT_BIT(0x00000200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) PORT_CODE(KEYCODE_6_PAD) PORT_BIT(0x00000400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) PORT_CODE(KEYCODE_5_PAD) PORT_BIT(0x00000800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) PORT_CODE(KEYCODE_4_PAD) PORT_BIT(0x00001000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) PORT_CODE(KEYCODE_3_PAD) PORT_BIT(0x00002000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) PORT_CODE(KEYCODE_2_PAD) PORT_BIT(0x00004000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) PORT_CODE(KEYCODE_1_PAD) PORT_BIT(0x00008000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) PORT_CODE(KEYCODE_0_PAD) PORT_BIT(0x00010000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) PORT_CODE(KEYCODE_ENTER_PAD) PORT_BIT(0x00020000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) PORT_CODE(KEYCODE_DEL_PAD) PORT_BIT(0x00040000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) PORT_CODE(KEYCODE_MINUS_PAD) PORT_BIT(0x00080000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(COMMA_PAD)) PORT_CODE(KEYCODE_PLUS_PAD) PORT_BIT(0x00100000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("PF4") PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_CODE(KEYCODE_F4) PORT_BIT(0x00200000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("PF3") PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_CODE(KEYCODE_F3) PORT_BIT(0x00400000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("PF2") PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_CODE(KEYCODE_F2) PORT_BIT(0x00800000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("PF1") PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_CODE(KEYCODE_F1) PORT_BIT(0x01000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_CODE(KEYCODE_LEFT) PORT_BIT(0x02000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_CODE(KEYCODE_RIGHT) PORT_BIT(0x04000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_CODE(KEYCODE_DOWN) PORT_BIT(0x08000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_CODE(KEYCODE_UP) PORT_BIT(0x10000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Return") PORT_CHAR(0x0d) PORT_CODE(KEYCODE_ENTER) PORT_BIT(0x20000000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Set-Up") PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_CODE(KEYCODE_F5) PORT_BIT(0x40000000, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x80000000, IP_ACTIVE_HIGH, IPT_UNUSED) // actually used for special stop code INPUT_PORTS_END void cit101_hle_keyboard_device::device_add_mconfig(machine_config &config) { SPEAKER(config, "mono").front_center(); BEEP(config, m_beeper, 786).add_route(ALL_OUTPUTS, "mono", 0.50); } ioport_constructor cit101_hle_keyboard_device::device_input_ports() const { return INPUT_PORTS_NAME(cit101_hle_keyboard); } void cit101_hle_keyboard_device::device_resolve_objects() { m_txd_callback.resolve_safe(); } void cit101_hle_keyboard_device::device_start() { // keyboard USART configured for mode 8Eh set_data_frame(1, 8, PARITY_NONE, STOP_BITS_1_5); set_rate(4800); save_item(NAME(m_command)); } void cit101_hle_keyboard_device::device_reset() { stop_processing(); } void cit101_hle_keyboard_device::tra_callback() { m_txd_callback(transmit_register_get_data_bit()); } WRITE_LINE_MEMBER(cit101_hle_keyboard_device::write_rxd) { rx_w(state); } void cit101_hle_keyboard_device::received_byte(u8 byte) { if (m_command[BIT(byte, 0)] != byte) { logerror("Command byte %d = %02X\n", BIT(byte, 0), byte); // probably not correct if (!BIT(byte, 0)) m_beeper->set_state(BIT(byte, 2)); m_command[BIT(byte, 0)] = byte; } start_processing(attotime::from_hz(76800)); // guess } void cit101_hle_keyboard_device::send_key(u8 code) { transmit_byte(code); } void cit101_hle_keyboard_device::send_translated(u8 row, u8 column) { const ioport_value modifiers = m_modifiers->read(); logerror("Key row %d column %d\n", row, column); switch (row) { case 0: if (column < 5) send_key((BIT(modifiers, 0) ? 0x1f : BIT(modifiers, 1) ? 0x7f : 0x5f) - column); else if (column < 31) send_key((BIT(modifiers, 0) ? 0x1f : BIT(modifiers, 1) || BIT(modifiers, 2) ? 0x5f : 0x7f) - column); else send_key(BIT(modifiers, 0) ? 0x1e : BIT(modifiers, 1) ? '~' : 0x7f - column); break; case 1: if (BIT(modifiers, 0) && column == 16) send_key(0x2f - column); else if (!BIT(modifiers, 1) || column == 31) send_key((column == 31 && BIT(modifiers, 0) ? 0x1f : 0x3f) - column); else switch (0x3f - column) { case '=': send_key('+'); break; case ';': send_key(':'); break; case '9': send_key('('); break; case '8': send_key('*'); break; case '7': send_key('&'); break; case '6': send_key('^'); break; case '2': send_key('@'); break; case '0': send_key(')'); break; case '-': send_key('_'); break; case '\'': send_key('"'); break; default: send_key(0x2f ^ column); break; } break; case 2: send_key((column == 0) ? 0x7f : 0x1f - column); break; case 3: send_key((0x9f - column) | (BIT(modifiers, 0) ? 0x40 : 0) | (BIT(modifiers, 1) ? 0x20 : 0)); break; } } void cit101_hle_keyboard_device::key_make(u8 row, u8 column) { send_translated(row, column); } void cit101_hle_keyboard_device::key_repeat(u8 row, u8 column) { send_translated(row, column); } void cit101_hle_keyboard_device::scan_complete() { if (are_all_keys_up()) { send_key(0x80); stop_processing(); } }