diff options
Diffstat (limited to 'src/mame/machine/m20_kbd.cpp')
-rw-r--r-- | src/mame/machine/m20_kbd.cpp | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/src/mame/machine/m20_kbd.cpp b/src/mame/machine/m20_kbd.cpp new file mode 100644 index 00000000000..ecccffae775 --- /dev/null +++ b/src/mame/machine/m20_kbd.cpp @@ -0,0 +1,225 @@ +// license:BSD-3-Clause +// copyright-holders:Carl +// TODO: dump 8048 mcu + +#include "machine/m20_kbd.h" + +m20_keyboard_device::m20_keyboard_device(const machine_config& mconfig, const char* tag, device_t* owner, UINT32 clock) : + serial_keyboard_device(mconfig, M20_KEYBOARD, "M20 Keyboard", tag, owner, 0, "m20_keyboard", __FILE__) +{ +} + +void m20_keyboard_device::write(UINT8 data) +{ + switch(data) + { + case 0x03: + send_key(2); + break; + case 0x80: + send_key(0x80); + break; + } + return; +} + +UINT8 m20_keyboard_device::keyboard_handler(UINT8 last_code, UINT8 *scan_line) +{ + int i = *scan_line, j; + UINT8 code = 0, state = m_state[i]; + + if (i == 0) code = m_io_kbd0->read(); + else + if (i == 1) code = m_io_kbd1->read(); + else + if (i == 2) code = m_io_kbd2->read(); + else + if (i == 3) code = m_io_kbd3->read(); + else + if (i == 4) code = m_io_kbd4->read(); + else + if (i == 5) code = m_io_kbd5->read(); + else + if (i == 6) code = m_io_kbd6->read(); + else + if (i == 7) code = m_io_kbd7->read(); + else + if (i == 8) code = m_io_kbd8->read(); + + *scan_line = (*scan_line + 1) % 9; + + if(m_state[i] == code) + return 0; + + m_state[i] = code; + code = (state ^ code) & code; + + if(!code) + return 0; + + for(j = 0; j < 8; j++) + if((code >> j) == 1) + break; + + if(i >= 6) + code = 0xc0 + ((i - 6) << 3) + j; + else + code = (i << 3) + j; + + state = m_io_kbd9->read(); + if(state && (i <= 8)) + { + switch(state) + { + case 1: + code += 0x90; + break; + case 2: + code += 0x60; + break; + case 4: + case 8: + code += 0x30; + break; + } + } + + return code; +} + +// Italian layout +static INPUT_PORTS_START( m20_keyboard ) + PORT_START("TERM_LINE0") + PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("RESET") PORT_CODE(KEYCODE_ESC) + PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("<") PORT_CODE(KEYCODE_LALT) PORT_CHAR('<') PORT_CHAR('>') + 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_B) PORT_CHAR('b') PORT_CHAR('B') + PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') + PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') + PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') + PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') + + PORT_START("TERM_LINE1") + PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') + PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') + 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_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_COMMA) PORT_CHAR(',') PORT_CHAR('?') + PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') + + PORT_START("TERM_LINE2") + PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') + 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_Q) PORT_CHAR('q') PORT_CHAR('Q') + PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') + PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') + PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') + PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') + PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') + + PORT_START("TERM_LINE3") + PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') + PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') + PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') + PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') + PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("\xc3\xa0 0") PORT_CODE(KEYCODE_0) PORT_CHAR(0x85) PORT_CHAR('0') // a_GRAVE + PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("\xc2\xa3 1") PORT_CODE(KEYCODE_1) PORT_CHAR(0x9c) PORT_CHAR('1') // POUND + PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(e_ACUTE " 2") PORT_CODE(KEYCODE_2) PORT_CHAR(0x82) PORT_CHAR('2') + PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("\" 3") PORT_CODE(KEYCODE_3) PORT_CHAR('"') PORT_CHAR('3') + + PORT_START("TERM_LINE4") + PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("' 4") PORT_CODE(KEYCODE_4) PORT_CHAR('\'') PORT_CHAR('4') + PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("( 5") PORT_CODE(KEYCODE_5) PORT_CHAR('(') PORT_CHAR('5') + PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("_ 6") PORT_CODE(KEYCODE_6) PORT_CHAR('_') PORT_CHAR('6') + PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("\xc3\xa8 7") PORT_CODE(KEYCODE_7) PORT_CHAR(0x8a) PORT_CHAR('7') // e_GRAVE + PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("^ 8") PORT_CODE(KEYCODE_8) PORT_CHAR('^') PORT_CHAR('8') + PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("\xc3\xa7 9") PORT_CODE(KEYCODE_9) PORT_CHAR(0x87) PORT_CHAR('9') // c_CEDILLA + PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(") \xc2\xb0") PORT_CODE(KEYCODE_MINUS) PORT_CHAR(')') PORT_CHAR(0xa7) // DEGREE + PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("- +") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('-') PORT_CHAR('+') + + PORT_START("TERM_LINE5") + PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("\xc3\xac =") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR(0x8d) PORT_CHAR('=') // i_GRAVE + PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("$ &") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('$') PORT_CHAR('&') + PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') + PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("\xc3\xb9 %") PORT_CODE(KEYCODE_COLON) PORT_CHAR(0x8a) PORT_CHAR('%') // u_GRAVE + PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("* \xc2\xa7") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('*') PORT_CHAR(0xf5) // SECTION + PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("; .") PORT_CODE(KEYCODE_STOP) PORT_CHAR(';') PORT_CHAR('.') + PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(": /") PORT_CODE(KEYCODE_SLASH) PORT_CHAR(':') PORT_CHAR('/') + PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("\xc3\xb2") PORT_CODE(KEYCODE_RALT) PORT_CHAR(0x95) + + PORT_START("TERM_LINE6") + PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) + PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("S1") PORT_CODE(KEYCODE_BACKSPACE) + PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("S2") PORT_CODE(KEYCODE_BACKSLASH) + PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad .") PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) + 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_KEYBOARD) PORT_NAME("Keypad 00") PORT_CODE(KEYCODE_ENTER_PAD) + PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) + + PORT_START("TERM_LINE7") + PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) + PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) + PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) + PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) + PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) + 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_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) + PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) + + PORT_START("TERM_LINE8") + PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) + PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) + PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) + PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD)) + + PORT_START("TERM_LINE9") + PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("COMMAND") PORT_CODE(KEYCODE_TAB) + PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) + PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) + + PORT_START("TERM_LINEC") + + PORT_START("RS232_TXBAUD") + PORT_CONFNAME(0xff, RS232_BAUD_1200, "TX Baud") PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, serial_keyboard_device, update_serial) + PORT_CONFSETTING( RS232_BAUD_1200, "1200") + + PORT_START("RS232_STARTBITS") + PORT_CONFNAME(0xff, RS232_STARTBITS_1, "Start Bits") PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, serial_keyboard_device, update_serial) + PORT_CONFSETTING( RS232_STARTBITS_1, "1") + + PORT_START("RS232_DATABITS") + PORT_CONFNAME(0xff, RS232_DATABITS_8, "Data Bits") PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, serial_keyboard_device, update_serial) + PORT_CONFSETTING( RS232_DATABITS_8, "8") + + PORT_START("RS232_PARITY") + PORT_CONFNAME(0xff, RS232_PARITY_NONE, "Parity") PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, serial_keyboard_device, update_serial) + PORT_CONFSETTING( RS232_PARITY_NONE, "None") + + PORT_START("RS232_STOPBITS") + PORT_CONFNAME(0xff, RS232_STOPBITS_2, "Stop Bits") PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, serial_keyboard_device, update_serial) + PORT_CONFSETTING( RS232_STOPBITS_2, "2") +INPUT_PORTS_END + +ioport_constructor m20_keyboard_device::device_input_ports() const +{ + return INPUT_PORTS_NAME(m20_keyboard); +} + +void m20_keyboard_device::device_start() +{ + serial_keyboard_device::device_start(); + memset(m_state, '\0', sizeof(m_state)); + set_rcv_rate(1200); +} + +void m20_keyboard_device::rcv_complete() +{ + receive_register_extract(); + write(get_received_char()); +} + +const device_type M20_KEYBOARD = &device_creator<m20_keyboard_device>; |