// license:GPL-2.0+ // copyright-holders:Dirk Best /*************************************************************************** ACT Apricot Keyboard (HLE) TODO: - MicroScreen emulation - LEDs Keyboard to System: - 01-60: Key make codes - 70-7f: Mouse codes - 80: RAM test failed - 81-e0: Key break codes - e9: ROM test failed - ea: X-on (keyboard ready to receive) - eb: X-off (keyboard buffer full) - ec: Reset request - ed: Time prefix - ee: Date prefix - ef: Mouse header - f0-f9: BCD data - fa: Invalid clock data - fb: Acknowledge firmware version/reset System to keyboard: - 01-7f: Character codes for MicroScreen - 80-cf: Cursor address - d0: Clear screen - d1: Cursor left - d2: Cursor right - d3: Cursor on - d4: Cursor off - d5: Display on - d6: Display off - e0: Query - e1: Time and date request - e2: Display time/data on MicroScreen - e3: Set LED prefix - e4: Set time and date - e5: Mouse enable - e6: Mouse disable - e7: Execute processor diagnostics - e8: Keyboard reset - f0-f9: BCD data - fa: Invalid clock data ***************************************************************************/ #include "emu.h" #include "hle.h" #include "machine/keyboard.ipp" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** DEFINE_DEVICE_TYPE(APRICOT_KEYBOARD_HLE, apricot_keyboard_hle_device, "apricotkb_hle", "Apricot Keyboard (HLE)") //------------------------------------------------- // input_ports - device-specific input ports //------------------------------------------------- static INPUT_PORTS_START( keyboard ) PORT_START("row_0") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7)) PORT_NAME("Help") PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8)) PORT_NAME("Undo") PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9)) PORT_NAME("Repeat") PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10)) PORT_NAME("Calc") PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_PRTSCR) PORT_CHAR(UCHAR_MAMEKEY(PRTSCR)) PORT_NAME("Print") PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_CANCEL) PORT_CHAR(UCHAR_MAMEKEY(CANCEL)) PORT_NAME("Intr") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F11) PORT_CHAR(UCHAR_MAMEKEY(F11)) PORT_NAME("Menu") PORT_START("row_1") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F12) PORT_CHAR(UCHAR_MAMEKEY(F12)) PORT_NAME("Finish") PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_NAME("Function 1") PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_NAME("Function 2") PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_NAME("Function 3") PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_NAME("Function 4") PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_NAME("Function 5") PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_NAME("Function 6") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('^') PORT_START("row_2") 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_2) PORT_CHAR('2') PORT_CHAR('@') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR(0xa3) // pound PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('$') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') PORT_START("row_3") 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_0) PORT_CHAR('0') PORT_CHAR(')') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) 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_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) // actually a dedicated % key PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD)) PORT_START("row_4") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) 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_TAB) PORT_CHAR(9) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_START("row_5") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') 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_I) PORT_CHAR('i') PORT_CHAR('I') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_START("row_6") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END)) PORT_NAME("Clear") PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_START("row_7") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') 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_J) PORT_CHAR('j') PORT_CHAR('J') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"') PORT_START("row_8") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) 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_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_START("row_9") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') 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_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_START("row_a") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SCRLOCK) PORT_CHAR(UCHAR_MAMEKEY(SCRLOCK)) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) 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_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) PORT_START("row_b") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(PAUSE)) PORT_NAME("Stop") PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) PORT_START("row_c") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) PORT_START("mouse_b") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_BUTTON2) PORT_NAME("Mouse Right Button") PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_NAME("Mouse Left Button") PORT_BIT(0x0c, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_START("mouse_x") PORT_BIT(0xff, 0x00, IPT_MOUSE_X) PORT_SENSITIVITY(75) PORT_KEYDELTA(5) PORT_START("mouse_y") PORT_BIT(0xff, 0x00, IPT_MOUSE_Y) PORT_SENSITIVITY(50) PORT_KEYDELTA(5) INPUT_PORTS_END ioport_constructor apricot_keyboard_hle_device::device_input_ports() const { return INPUT_PORTS_NAME( keyboard ); } void apricot_keyboard_hle_device::device_add_mconfig(machine_config &config) { MSM5832(config, m_rtc, 32.768_kHz_XTAL); TIMER(config, "timer").configure_periodic(FUNC(apricot_keyboard_hle_device::mouse_callback), attotime::from_hz(60)); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // apricot_keyboard_hle_device - constructor //------------------------------------------------- apricot_keyboard_hle_device::apricot_keyboard_hle_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock) : device_t(mconfig, APRICOT_KEYBOARD_HLE, tag, owner, clock), device_apricot_keyboard_interface(mconfig, *this), device_buffered_serial_interface(mconfig, *this), device_matrix_keyboard_interface(mconfig, *this, "row_0", "row_1", "row_2", "row_3", "row_4", "row_5", "row_6", "row_7", "row_8", "row_9", "row_a", "row_b", "row_c"), m_rtc(*this, "rtc"), m_mouse_b(*this, "mouse_b"), m_mouse_x(*this, "mouse_x"), m_mouse_y(*this, "mouse_y"), m_rtc_index(0), m_mouse_enabled(false), m_mouse_last_b(0), m_mouse_last_x(0), m_mouse_last_y(0) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void apricot_keyboard_hle_device::device_start() { // register for save states save_item(NAME(m_rtc_index)); save_item(NAME(m_mouse_enabled)); save_item(NAME(m_mouse_last_b)); save_item(NAME(m_mouse_last_x)); save_item(NAME(m_mouse_last_y)); } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void apricot_keyboard_hle_device::device_reset() { clear_fifo(); receive_register_reset(); transmit_register_reset(); set_data_frame(1, 8, PARITY_NONE, STOP_BITS_1); set_rcv_rate(XTAL::u(7800)); set_tra_rate(XTAL::u(7800)); reset_key_state(); start_processing(attotime::from_hz(7800)); } //------------------------------------------------- // tra_callback - send bit to host //------------------------------------------------- void apricot_keyboard_hle_device::tra_callback() { m_host->in_w(transmit_register_get_data_bit()); } //------------------------------------------------- // received_byte - handle received byte //------------------------------------------------- void apricot_keyboard_hle_device::received_byte(uint8_t byte) { if ((byte & 0xf0) == 0xf0) { // rtc data if (m_rtc_index >= 0) { m_rtc->address_w(m_rtc_index--); m_rtc->data_w(byte); m_rtc->write_w(1); m_rtc->write_w(0); } } else { switch (byte) { case CMD_REQ_TIME_AND_DATE: logerror("System requests current time\n"); // remove pending keys just in case clear_fifo(); // send time prefix transmit_byte(0xed); // make rtc chip ready m_rtc->cs_w(1); m_rtc->read_w(1); // send bcd encoded date and time to system for (int i = 12; i >= 0; i--) { m_rtc->address_w(i); transmit_byte(0xf0 | m_rtc->data_r()); } break; case CMD_SET_TIME_AND_DATE: logerror("System requests to set time\n"); // we start with the year m_rtc_index = 12; // make rtc chip ready m_rtc->cs_w(1); break; case CMD_ENABLE_MOUSE: logerror("System enables mouse\n"); m_mouse_enabled = true; break; case CMD_DISABLE_MOUSE: logerror("System disables mouse\n"); m_mouse_enabled = false; break; case CMD_KEYBOARD_RESET: logerror("System requests keyboard reset\n"); transmit_byte(ACK_DIAGNOSTICS); break; default: logerror("Unhandled command: %02x\n", byte); } } } //------------------------------------------------- // key_make - handle a key being pressed //------------------------------------------------- void apricot_keyboard_hle_device::key_make(uint8_t row, uint8_t column) { // send the make code transmit_byte((row << 3) | column); } //------------------------------------------------- // key_break - handle a key being released //------------------------------------------------- void apricot_keyboard_hle_device::key_break(uint8_t row, uint8_t column) { // send the break code transmit_byte(0x80 | (row << 3) | column); } //------------------------------------------------- // out_w - receive bit from host //------------------------------------------------- void apricot_keyboard_hle_device::out_w(int state) { device_buffered_serial_interface::rx_w(state); } //------------------------------------------------- // mouse_callback - check for new mouse events //------------------------------------------------- TIMER_DEVICE_CALLBACK_MEMBER( apricot_keyboard_hle_device::mouse_callback ) { if (m_mouse_enabled) { // get mouse state uint8_t buttons = m_mouse_b->read(); uint8_t x = m_mouse_x->read(); uint8_t y = m_mouse_y->read(); // anything changed since last time? if (buttons != m_mouse_last_b || x != m_mouse_last_x || y != m_mouse_last_y) { // mouse header transmit_byte(0xef); // button state transmit_byte(0x70 | buttons); int8_t dx = x - m_mouse_last_x; int8_t dy = y - m_mouse_last_y; // y direction change transmit_byte(0x70 | ((dy >> 4) & 0x0f)); transmit_byte(0x70 | ((dy >> 0) & 0x0f)); // x direction change transmit_byte(0x70 | ((dx >> 4) & 0x0f)); transmit_byte(0x70 | ((dx >> 0) & 0x0f)); // save mouse state for next run m_mouse_last_b = buttons; m_mouse_last_x = x; m_mouse_last_y = y; } } }