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|
// license:BSD-3-Clause
// copyright-holders:Vas Crabb
/***************************************************************************
Generic ASCII Keyboard
Use GENERIC_KEYBOARD to attach as a generic ascii input device in
cases where either the driver isn't developed enough yet; or for testing;
or for the case of a computer with an inbuilt (not serial) ascii keyboard.
Example of usage in a driver.
In the machine config function:
generic_keyboard_device &kbd(GENERIC_KEYBOARD(config, KEYBOARD_TAG));
kbd.set_keyboard_callback(FUNC(xxx_state::kbd_put));
In the code:
void xxx_state::kbd_put(u8 data)
{
(code to capture the key as it is pressed)
(if your machine uses function keys, add your conversion code here)
}
In a device, at the top of the device's .cpp file in the appropriate spot:
#include "machine/keyboard.ipp"
***************************************************************************/
#include "emu.h"
#include "machine/keyboard.ipp"
namespace {
u8 const TRANSLATION_TABLE[][2][4][16] = {
{
{ // ANSI
{ '`', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', 0x08U, 0x7fU, 0x1bU },
{ 0x09U, 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\\', 0xffU, 0xffU },
{ 0xffU, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', 0x0dU, 0xffU, 0xffU, 0x0aU },
{ 0xffU, '\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 0xffU, 0xffU, 0xffU, ' ' }
},
{ // JIS
{ '\\', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '^', 0x08U, 0x7fU, 0x1bU },
{ 0x09U, 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '@', '[', ']', 0xffU, 0xffU },
{ 0xffU, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', ':', 0x0dU, 0xffU, 0xffU, 0x0aU },
{ 0xffU, '\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 0xffU, 0xffU, 0xffU, ' ' }
}
},
{
{ // ANSI shift
{ '~', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', 0x08U, 0x7fU, 0x1bU },
{ 0x09U, 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '|', 0xffU, 0xffU },
{ 0xffU, 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"', 0x0dU, 0xffU, 0xffU, 0x0aU },
{ 0xffU, '_', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?', 0xffU, 0xffU, 0xffU, ' ' }
},
{ // JIS shift
{ '|', '!', '"', '#', '$', '%', '&', '\'', '(', ')', 0xffU, '=', '~', 0x08U, 0x7fU, 0x1bU },
{ 0x09U, 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '`', '{', '}', 0xffU, 0xffU },
{ 0xffU, 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', '+', '*', 0x0dU, 0xffU, 0xffU, 0x0aU },
{ 0xffU, '_', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?', 0xffU, 0xffU, 0xffU, ' ' }
}
},
{
{ // ANSI ctrl
{ 0x00U, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', 0x1fU, 0x1eU, 0x08U, 0x7fU, 0x1bU },
{ 0x09U, 0x11U, 0x17U, 0x05U, 0x12U, 0x14U, 0x19U, 0x15U, 0x09U, 0x0fU, 0x10U, 0x1bU, 0x1dU, 0x1cU, 0xffU, 0xffU },
{ 0xffU, 0x01U, 0x13U, 0x04U, 0x06U, 0x07U, 0x08U, 0x0aU, 0x0bU, 0x0cU, ';', '\'', 0x0dU, 0xffU, 0xffU, 0x0aU },
{ 0xffU, 0x1cU, 0x1aU, 0x18U, 0x03U, 0x16U, 0x02U, 0x0eU, 0x0dU, ',', '.', 0x1fU, 0xffU, 0xffU, 0xffU, 0x00U }
},
{ // JIS ctrl
{ 0x1cU, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', 0x1fU, 0x1eU, 0x08U, 0x7fU, 0x1bU },
{ 0x09U, 0x11U, 0x17U, 0x05U, 0x12U, 0x14U, 0x19U, 0x15U, 0x09U, 0x0fU, 0x10U, 0x00U, 0x1bU, 0x1dU, 0xffU, 0xffU },
{ 0xffU, 0x01U, 0x13U, 0x04U, 0x06U, 0x07U, 0x08U, 0x0aU, 0x0bU, 0x0cU, ';', ':', 0x0dU, 0xffU, 0xffU, 0x0aU },
{ 0xffU, 0x1cU, 0x1aU, 0x18U, 0x03U, 0x16U, 0x02U, 0x0eU, 0x0dU, ',', '.', 0x1fU, 0xffU, 0xffU, 0xffU, 0x00U }
}
}
};
bool const CAPS_TABLE[4][16] = {
{ false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false },
{ false, true, true, true, true, true, true, true, true, true, true, false, false, false, false, false },
{ false, true, true, true, true, true, true, true, true, true, false, false, false, false, false, false },
{ false, false, true, true, true, true, true, true, true, false, false, false, false, false, false, false }
};
} // anonymous namespace
/***************************************************************************
REUSABLE I/O PORTS
***************************************************************************/
INPUT_PORTS_START( generic_keyboard )
PORT_START("GENKBD_CFG")
PORT_CONFNAME( 0x0001U, 0x0000U, "Layout" )
PORT_CONFSETTING( 0x0000U, "ANSI" )
PORT_CONFSETTING( 0x0001U, "JIS" )
PORT_CONFNAME( 0x0006U, 0x0004U, "Typematic Delay" )
PORT_CONFSETTING( 0x0000U, "0.25s" )
PORT_CONFSETTING( 0x0002U, "0.5s" )
PORT_CONFSETTING( 0x0004U, "0.75s" )
PORT_CONFSETTING( 0x0006U, "1.0s" )
PORT_CONFNAME( 0x00f8U, 0x0098U, "Typematic Rate" )
PORT_CONFSETTING( 0x0000U, "2.0cps" )
PORT_CONFSETTING( 0x0008U, "2.1cps" )
PORT_CONFSETTING( 0x0010U, "2.5cps" )
PORT_CONFSETTING( 0x0018U, "2.7cps" )
PORT_CONFSETTING( 0x0020U, "2.0cps" )
PORT_CONFSETTING( 0x0028U, "2.1cps" )
PORT_CONFSETTING( 0x0030U, "2.5cps" )
PORT_CONFSETTING( 0x0038U, "2.7cps" )
PORT_CONFSETTING( 0x0040U, "3.3cps" )
PORT_CONFSETTING( 0x0048U, "3.8cps" )
PORT_CONFSETTING( 0x0050U, "4.0cps" )
PORT_CONFSETTING( 0x0058U, "4.3cps" )
PORT_CONFSETTING( 0x0060U, "4.6cps" )
PORT_CONFSETTING( 0x0068U, "5.0cps" )
PORT_CONFSETTING( 0x0070U, "5.5cps" )
PORT_CONFSETTING( 0x0078U, "6.0cps" )
PORT_CONFSETTING( 0x0080U, "8.0cps" )
PORT_CONFSETTING( 0x0088U, "8.6cps" )
PORT_CONFSETTING( 0x0090U, "9.2cps" )
PORT_CONFSETTING( 0x0098U, "10.0cps" )
PORT_CONFSETTING( 0x00a0U, "10.9cps" )
PORT_CONFSETTING( 0x00a8U, "12.0cps" )
PORT_CONFSETTING( 0x00b0U, "13.3cps" )
PORT_CONFSETTING( 0x00b8U, "15.0cps" )
PORT_CONFSETTING( 0x00c0U, "16.0cps" )
PORT_CONFSETTING( 0x00c8U, "17.1cps" )
PORT_CONFSETTING( 0x00d0U, "18.5cps" )
PORT_CONFSETTING( 0x00d8U, "20.0cps" )
PORT_CONFSETTING( 0x00e0U, "21.8cps" )
PORT_CONFSETTING( 0x00e8U, "24.0cps" )
PORT_CONFSETTING( 0x00f0U, "26.7cps" )
PORT_CONFSETTING( 0x00f8U, "30.0cps" )
PORT_START("GENKBD_MOD")
PORT_BIT( 0x01U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
PORT_BIT( 0x02U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT( 0x04U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Caps Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
PORT_BIT( 0x08U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Meta") PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(LALT))
PORT_START("GENKBD_ROW0")
PORT_BIT( 0x0001U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TILDE) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x00) PORT_CHAR('`') PORT_CHAR('~')
PORT_BIT( 0x0001U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TILDE) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x01) PORT_CHAR('\\') PORT_CHAR('|')
PORT_BIT( 0x0002U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
PORT_BIT( 0x0004U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x00) PORT_CHAR('2') PORT_CHAR('@')
PORT_BIT( 0x0004U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x01) PORT_CHAR('2') PORT_CHAR('"')
PORT_BIT( 0x0008U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
PORT_BIT( 0x0010U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
PORT_BIT( 0x0020U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
PORT_BIT( 0x0040U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x00) PORT_CHAR('6') PORT_CHAR('^')
PORT_BIT( 0x0040U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x01) PORT_CHAR('6') PORT_CHAR('&')
PORT_BIT( 0x0080U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x00) PORT_CHAR('7') PORT_CHAR('&')
PORT_BIT( 0x0080U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x01) PORT_CHAR('7') PORT_CHAR('\'')
PORT_BIT( 0x0100U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x00) PORT_CHAR('8') PORT_CHAR('*')
PORT_BIT( 0x0100U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x01) PORT_CHAR('8') PORT_CHAR('(')
PORT_BIT( 0x0200U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x00) PORT_CHAR('9') PORT_CHAR('(')
PORT_BIT( 0x0200U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x01) PORT_CHAR('9') PORT_CHAR(')')
PORT_BIT( 0x0400U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x00) PORT_CHAR('0') PORT_CHAR(')')
PORT_BIT( 0x0400U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x01) PORT_CHAR('0')
PORT_BIT( 0x0800U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x00) PORT_CHAR('-') PORT_CHAR('_')
PORT_BIT( 0x0800U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x01) PORT_CHAR('-') PORT_CHAR('=')
PORT_BIT( 0x1000U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x00) PORT_CHAR('=') PORT_CHAR('+')
PORT_BIT( 0x1000U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x01) PORT_CHAR('^') PORT_CHAR('~')
PORT_BIT( 0x2000U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("Backspace") PORT_CHAR(0x08U)
PORT_BIT( 0x4000U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DEL) PORT_NAME("Del") PORT_CHAR(UCHAR_MAMEKEY(DEL))
PORT_BIT( 0x8000U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ESC) PORT_NAME("Escape") PORT_CHAR(UCHAR_MAMEKEY(ESC))
PORT_START("GENKBD_ROW1")
PORT_BIT( 0x0001U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
PORT_BIT( 0x0002U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
PORT_BIT( 0x0004U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
PORT_BIT( 0x0008U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
PORT_BIT( 0x0010U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
PORT_BIT( 0x0020U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
PORT_BIT( 0x0040U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
PORT_BIT( 0x0080U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
PORT_BIT( 0x0100U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
PORT_BIT( 0x0200U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
PORT_BIT( 0x0400U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
PORT_BIT( 0x0800U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x00) PORT_CHAR('[') PORT_CHAR('{')
PORT_BIT( 0x0800U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x01) PORT_CHAR('@') PORT_CHAR('`')
PORT_BIT( 0x1000U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x00) PORT_CHAR(']') PORT_CHAR('}')
PORT_BIT( 0x1000U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x01) PORT_CHAR('[') PORT_CHAR('{')
PORT_BIT( 0x2000U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x00) PORT_CHAR('\\') PORT_CHAR('|')
PORT_BIT( 0x2000U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x01) PORT_CHAR(']') PORT_CHAR('}')
PORT_BIT( 0x4000U, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x8000U, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("GENKBD_ROW2")
PORT_BIT( 0x0001U, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x0002U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
PORT_BIT( 0x0004U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
PORT_BIT( 0x0008U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
PORT_BIT( 0x0010U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
PORT_BIT( 0x0020U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
PORT_BIT( 0x0040U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
PORT_BIT( 0x0080U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
PORT_BIT( 0x0100U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
PORT_BIT( 0x0200U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
PORT_BIT( 0x0400U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x00) PORT_CHAR(';') PORT_CHAR(':')
PORT_BIT( 0x0400U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x01) PORT_CHAR(';') PORT_CHAR('+')
PORT_BIT( 0x0800U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x00) PORT_CHAR('\'') PORT_CHAR('"')
PORT_BIT( 0x0800U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CONDITION("GENKBD_CFG", 0x01, EQUALS, 0x01) PORT_CHAR(':') PORT_CHAR('*')
PORT_BIT( 0x1000U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_NAME("Return") PORT_CHAR(0x0dU)
PORT_BIT( 0x2000U, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x4000U, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x8000U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_INSERT) PORT_NAME("Linefeed") PORT_CHAR(UCHAR_MAMEKEY(INSERT))
PORT_START("GENKBD_ROW3")
PORT_BIT( 0x0001U, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x0002U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('\\') PORT_CHAR('_')
PORT_BIT( 0x0004U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
PORT_BIT( 0x0008U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
PORT_BIT( 0x0010U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
PORT_BIT( 0x0020U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
PORT_BIT( 0x0040U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
PORT_BIT( 0x0080U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
PORT_BIT( 0x0100U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
PORT_BIT( 0x0200U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
PORT_BIT( 0x0400U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
PORT_BIT( 0x0800U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
PORT_BIT( 0x1000U, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x2000U, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x4000U, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x8000U, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
INPUT_PORTS_END
/***************************************************************************
DEVICE TYPE GLOBALS
***************************************************************************/
DEFINE_DEVICE_TYPE(GENERIC_KEYBOARD, generic_keyboard_device, "generic_keyboard", "Generic Keyboard")
/***************************************************************************
IMPLEMENTATION
***************************************************************************/
generic_keyboard_device::generic_keyboard_device(
machine_config const &mconfig,
device_type type,
char const *tag,
device_t *owner,
const XTAL &clock)
: device_t(mconfig, type, tag, owner, clock)
, device_matrix_keyboard_interface(mconfig, *this, "GENKBD_ROW0", "GENKBD_ROW1", "GENKBD_ROW2", "GENKBD_ROW3")
, m_config(*this, "GENKBD_CFG")
, m_modifiers(*this, "GENKBD_MOD")
, m_last_modifiers(0U)
, m_keyboard_cb(*this)
{
}
generic_keyboard_device::generic_keyboard_device(machine_config const &mconfig, char const *tag, device_t *owner, const XTAL &clock)
: generic_keyboard_device(mconfig, GENERIC_KEYBOARD, tag, owner, clock)
{
}
ioport_constructor generic_keyboard_device::device_input_ports() const
{
return INPUT_PORTS_NAME(generic_keyboard);
}
void generic_keyboard_device::device_start()
{
m_keyboard_cb.resolve();
save_item(NAME(m_last_modifiers));
}
void generic_keyboard_device::device_reset()
{
reset_key_state();
m_last_modifiers = 0;
start_processing(attotime::from_hz(2'400));
typematic_stop();
}
void generic_keyboard_device::key_make(u8 row, u8 column)
{
send_translated((row << 4) | column);
typematic_start(row, column, typematic_delay(), typematic_period());
}
void generic_keyboard_device::key_repeat(u8 row, u8 column)
{
send_translated((row << 4) | column);
}
void generic_keyboard_device::send_key(u8 code)
{
assert(!m_keyboard_cb.isnull());
m_keyboard_cb(code);
}
bool generic_keyboard_device::translate(u8 code, u8 &translated) const
{
unsigned const row((code >> 4) & 0x03U);
unsigned const col((code >> 0) & 0x0fU);
unsigned const layout(m_config->read() & 0x0001U);
u16 const modifiers(m_modifiers->read());
bool const shift(bool(modifiers & 0x02U) != (bool(modifiers & 0x04U) && CAPS_TABLE[row][col]));
bool const ctrl(modifiers & 0x01U);
bool const meta(modifiers & 0x08U);
unsigned const map(ctrl ? 2U : shift ? 1U : 0U);
u8 const result(TRANSLATION_TABLE[map][layout][row][col]);
if (result == u8(~0U))
{
return false;
}
else
{
translated = result | (meta ? 0x80U : 0x00U);
return true;
}
}
void generic_keyboard_device::will_scan_row(u8 row)
{
u16 const modifiers(m_modifiers->read());
if (modifiers != m_last_modifiers)
typematic_restart(typematic_delay(), typematic_period());
m_last_modifiers = modifiers;
}
void generic_keyboard_device::send_translated(u8 code)
{
u8 translated;
if (translate(code, translated))
send_key(translated);
}
attotime generic_keyboard_device::typematic_delay() const
{
return attotime::from_msec(250 * (1 + ((m_config->read() >> 1) & 0x03U)));
}
attotime generic_keyboard_device::typematic_period() const
{
unsigned const rate(~(m_config->read() >> 3) & 0x1fU);
return attotime::from_ticks((8U + (rate & 0x07U)) * (1 << ((rate >> 3) & 0x03)), 240U);
}
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