diff options
Diffstat (limited to 'src/mame/machine/rmnkbd.c')
-rw-r--r-- | src/mame/machine/rmnkbd.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/src/mame/machine/rmnkbd.c b/src/mame/machine/rmnkbd.c new file mode 100644 index 00000000000..30987c6701e --- /dev/null +++ b/src/mame/machine/rmnkbd.c @@ -0,0 +1,209 @@ +// license:BSD-3-Clause +// copyright-holders:Carl +#include "machine/rmnkbd.h" + +rmnimbus_keyboard_device::rmnimbus_keyboard_device(const machine_config& mconfig, const char* tag, device_t* owner, UINT32 clock) : + serial_keyboard_device(mconfig, RMNIMBUS_KEYBOARD, "RM Nimbus Keyboard", tag, owner, 0, "rmnimbus_keyboard", __FILE__), + m_io_kbd8(*this, "TERM_LINE8"), + m_io_kbd9(*this, "TERM_LINE9"), + m_io_kbda(*this, "TERM_LINEA") +{ +} + +UINT8 rmnimbus_keyboard_device::keyboard_handler(UINT8 last_code, UINT8 *scan_line) +{ + int i = *scan_line, j; + UINT8 code = 0, change; + + 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(); + else + if (i == 9) code = m_io_kbd9->read(); + else + if (i == 10) code = m_io_kbda->read(); + + *scan_line = (*scan_line + 1) % 11; + code = ~code; + + if(m_state[i] == code) + return 0; + + change = (m_state[i] ^ code); + + for(j = 0; j < 8; j++) + if((change >> j) == 1) break; + + change = (1 << j); + m_state[i] ^= change; + + return ((change & code) ? 0 : 0x80) | ((i << 3) + j); +} + +static INPUT_PORTS_START( rmnimbus_keyboard ) + PORT_START("TERM_LINE0") /* Key row 0 scancodes 00..07 */ + //PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_CHAR(0x1B) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') + + PORT_START("TERM_LINE1") /* Key row 1 scancodes 08..0F */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("=") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BSPACE") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(0x08) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR(0x09) + + PORT_START("TERM_LINE2") /* Key row 2 scancodes 10..17 */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('W') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('T') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('U') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('I') + + PORT_START("TERM_LINE3") /* Key row 3 scancodes 18..1F */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('O') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('P') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(0x0D) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) // Ether control + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S') + + PORT_START("TERM_LINE4") /* Key row 4 scancodes 20..27 */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('G') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('H') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('J') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('K') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('L') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(";") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') + + PORT_START("TERM_LINE5") /* Key row 5 scancodes 28..2F */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("#") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('#') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BACKSLASH") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LSHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("TILDE") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('X') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('V') + + + PORT_START("TERM_LINE6") /* Key row 6 scancodes 30..37 */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('N') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('M') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RSHIFT") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_2) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PRSCR") PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR('*') + + PORT_START("TERM_LINE7") /* Key row 7 scancodes 38..3F */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ALT") PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CAPS") PORT_CODE(KEYCODE_CAPSLOCK) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) + + + PORT_START("TERM_LINE8") /* Key row 8 scancodes 40..47 */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F6") PORT_CODE(KEYCODE_F6) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F7") PORT_CODE(KEYCODE_F7) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F8") PORT_CODE(KEYCODE_F8) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F9") PORT_CODE(KEYCODE_F9) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F10") PORT_CODE(KEYCODE_F10) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NUMLK") PORT_CODE(KEYCODE_NUMLOCK) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SCRLK") PORT_CODE(KEYCODE_SCRLOCK) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP7") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR('7') + + PORT_START("TERM_LINE9") /* Key row 9 scancodes 48..4F */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP8") PORT_CODE(KEYCODE_8_PAD) //PORT_CHAR('8') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP9") PORT_CODE(KEYCODE_9_PAD) //PORT_CHAR('9') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP-") PORT_CODE(KEYCODE_MINUS_PAD) //PORT_CHAR('-') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP4") PORT_CODE(KEYCODE_4_PAD) //PORT_CHAR('4') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP5") PORT_CODE(KEYCODE_5_PAD) //PORT_CHAR('5') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP6") PORT_CODE(KEYCODE_6_PAD) //PORT_CHAR('6') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP+") PORT_CODE(KEYCODE_PLUS_PAD) //PORT_CHAR('+') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP1") PORT_CODE(KEYCODE_1_PAD) //PORT_CHAR('1') + + PORT_START("TERM_LINEA") /* Key row 10 scancodes 50..57 */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP2") PORT_CODE(KEYCODE_2_PAD) //PORT_CHAR('2') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP3") PORT_CODE(KEYCODE_3_PAD) //PORT_CHAR('3') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP0") PORT_CODE(KEYCODE_0_PAD) //PORT_CHAR('0') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP.") PORT_CODE(KEYCODE_DEL_PAD) //PORT_CHAR('.') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + //PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP5") PORT_CODE(KEYCODE_5_PAD) PORT_CHAR('5') + //PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP6") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR('6') + //PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP+") PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR('+') + //PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP1") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR('1') + + PORT_START("TERM_LINEC") + + PORT_START("RS232_TXBAUD") + PORT_CONFNAME(0xff, RS232_BAUD_9600, "TX Baud") PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, serial_keyboard_device, update_serial) + PORT_CONFSETTING( RS232_BAUD_9600, "9600") + + 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_1, "Stop Bits") PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, serial_keyboard_device, update_serial) + PORT_CONFSETTING( RS232_STOPBITS_1, "1") +INPUT_PORTS_END + +ioport_constructor rmnimbus_keyboard_device::device_input_ports() const +{ + return INPUT_PORTS_NAME(rmnimbus_keyboard); +} + +void rmnimbus_keyboard_device::device_start() +{ + serial_keyboard_device::device_start(); + memset(m_state, '\0', sizeof(m_state)); +} + +const device_type RMNIMBUS_KEYBOARD = &device_creator<rmnimbus_keyboard_device>; |