// license:LGPL-2.1+
// copyright-holders:Angelo Salese, Sandro Ronco
/**********************************************************************
Acorn Archimedes keyboard
*********************************************************************/
#include "emu.h"
#include "archimedes_keyb.h"
/***************************************************************************
IMPLEMENTATION
***************************************************************************/
DEFINE_DEVICE_TYPE(ARCHIMEDES_KEYBOARD, archimedes_keyboard_device, "archimedes_keyboard", "Acorn Archimedes Keyboard")
//-------------------------------------------------
// input_ports - device-specific input ports
//-------------------------------------------------
static INPUT_PORTS_START( archimedes_keyboard )
PORT_START("ROW.0")
PORT_BIT(0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD))
PORT_BIT(0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD))
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK))
PORT_BIT(0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGUP) PORT_CHAR(UCHAR_MAMEKEY(PGUP))
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PAUSE) PORT_CHAR(UCHAR_MAMEKEY(PAUSE)) PORT_NAME("Break")
PORT_BIT(0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SCRLOCK) PORT_CHAR(UCHAR_MAMEKEY(SCRLOCK))
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_OTHER) // Keyboard ID bit 4
PORT_BIT(0xfe00, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW.1")
PORT_BIT(0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
PORT_BIT(0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~')
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
PORT_BIT(0x0010, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
PORT_BIT(0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
PORT_BIT(0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_OTHER) // Keyboard ID bit 5
PORT_BIT(0xfe00, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW.2")
PORT_BIT(0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
PORT_BIT(0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
PORT_BIT(0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@')
PORT_BIT(0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
PORT_BIT(0xff00, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW.3")
PORT_BIT(0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
PORT_BIT(0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
PORT_BIT(0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
PORT_BIT(0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
PORT_BIT(0xff00, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW.4")
PORT_BIT(0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
PORT_BIT(0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
PORT_BIT(0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
PORT_BIT(0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
PORT_BIT(0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
PORT_BIT(0xff00, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW.5")
PORT_BIT(0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
PORT_BIT(0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
PORT_BIT(0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&')
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^')
PORT_BIT(0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
PORT_BIT(0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
PORT_BIT(0xff00, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW.6")
PORT_BIT(0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
PORT_BIT(0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|')
PORT_BIT(0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*')
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
PORT_BIT(0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
PORT_BIT(0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_NAME("Return")
PORT_BIT(0xff00, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW.7")
PORT_BIT(0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD))
PORT_BIT(0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD))
PORT_BIT(0x0010, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x0040, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
PORT_BIT(0xff00, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW.8")
PORT_BIT(0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD))
PORT_BIT(0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD))
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD))
PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('#')
PORT_BIT(0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL))
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END)) PORT_NAME("Copy")
PORT_BIT(0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGDN) PORT_CHAR(UCHAR_MAMEKEY(PGDN))
PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_OTHER) // Keyboard ID bit 0
PORT_BIT(0xfe00, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW.9")
PORT_BIT(0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
PORT_BIT(0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD))
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR('*')
PORT_BIT(0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR(0xa3) PORT_CHAR(0xa4)
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+')
PORT_BIT(0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(UCHAR_MAMEKEY(BACKSPACE)) PORT_NAME("Back Space")
PORT_BIT(0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_OTHER) // Keyboard ID bit 1
PORT_BIT(0xfe00, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW.10")
PORT_BIT(0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
PORT_BIT(0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')
PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
PORT_BIT(0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(')
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6))
PORT_BIT(0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
PORT_BIT(0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
PORT_BIT(0xff00, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW.11")
PORT_BIT(0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD))
PORT_BIT(0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD))
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR('/')
PORT_BIT(0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10))
PORT_BIT(0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F11) PORT_CHAR(UCHAR_MAMEKEY(F11))
PORT_BIT(0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F12) PORT_CHAR(UCHAR_MAMEKEY(F12))
PORT_BIT(0xff00, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW.12")
PORT_BIT(0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')
PORT_BIT(0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
PORT_BIT(0x0010, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9))
PORT_BIT(0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7))
PORT_BIT(0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8))
PORT_BIT(0xff00, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW.13")
PORT_BIT(0x00ff, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT))
PORT_BIT(0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
PORT_BIT(0x0400, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT(0x0800, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME))
PORT_BIT(0x1000, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PRTSCR) PORT_CHAR(UCHAR_MAMEKEY(PRTSCR)) PORT_NAME("Print")
PORT_BIT(0x2000, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_MAMEKEY(RSHIFT))
PORT_BIT(0x4000, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL))
PORT_BIT(0x8000, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(RALT))
PORT_START("ROW.14")
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_OTHER) // Keyboard ID bit 2
PORT_BIT(0xfeff, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW.15")
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_OTHER) // Keyboard ID bit 3
PORT_BIT(0xfeff, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("MOUSE.0")
PORT_BIT(0xffff, IP_ACTIVE_HIGH, IPT_MOUSE_X) PORT_SENSITIVITY(50) PORT_KEYDELTA(0) PORT_RESET PORT_CODE(MOUSECODE_X) PORT_CHANGED_MEMBER(DEVICE_SELF, archimedes_keyboard_device, update_mouse_input, 0)
PORT_START("MOUSE.1")
PORT_BIT(0xffff, IP_ACTIVE_HIGH, IPT_MOUSE_Y) PORT_SENSITIVITY(50) PORT_KEYDELTA(0) PORT_RESET PORT_CODE(MOUSECODE_Y) PORT_CHANGED_MEMBER(DEVICE_SELF, archimedes_keyboard_device, update_mouse_input, 1) PORT_REVERSE
PORT_START("MOUSE.2")
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(MOUSECODE_BUTTON1) PORT_NAME("Mouse Left")
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(MOUSECODE_BUTTON2) PORT_NAME("Mouse Center")
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(MOUSECODE_BUTTON3) PORT_NAME("Mouse Right")
INPUT_PORTS_END
ioport_constructor archimedes_keyboard_device::device_input_ports() const
{
return INPUT_PORTS_NAME( archimedes_keyboard );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// archimedes_keyboard_device - constructor
//-------------------------------------------------
archimedes_keyboard_device::archimedes_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, ARCHIMEDES_KEYBOARD, tag, owner, clock)
, device_serial_interface(mconfig, *this)
, m_mcu(*this, "mcu")
, m_kout(*this)
, m_keyboard(*this, "ROW.%u", 0U)
, m_mouse(*this, "MOUSE.%u", 0U)
, m_leds(*this, "keyb_led.%u", 0U)
{
}
void archimedes_keyboard_device::device_resolve_objects()
{
m_kout.resolve_safe();
m_leds.resolve();
}
void archimedes_keyboard_device::device_start()
{
// KART interface
set_data_frame(1, 8, PARITY_NONE, STOP_BITS_2);
set_rate(31250);
m_mouse_timer = timer_alloc();
save_item(NAME(m_mouse_x));
save_item(NAME(m_mouse_y));
save_item(NAME(m_mouse_phase));
save_item(NAME(m_mouse_xref));
save_item(NAME(m_mouse_xdir));
save_item(NAME(m_mouse_yref));
save_item(NAME(m_mouse_ydir));
save_item(NAME(m_mux));
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void archimedes_keyboard_device::device_reset()
{
m_mouse_x = 0;
m_mouse_y = 0;
m_mouse_phase = 1;
m_mouse_xref = 1;
m_mouse_xdir = 1;
m_mouse_yref = 1;
m_mouse_ydir = 1;
m_mux = 0;
transmit_register_reset();
receive_register_reset();
m_mouse_timer->adjust(attotime::from_hz(1000 * 4), 0, attotime::from_hz(1000 * 4));
}
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void archimedes_keyboard_device::device_add_mconfig(machine_config &config)
{
I8051(config, m_mcu, 12_MHz_XTAL); // Philips 8051AH-2
m_mcu->port_in_cb<0>().set([this]() { return m_keyboard[m_mux & 0x0f]->read() & 0xff; });
m_mcu->port_in_cb<1>().set([this]() { return (m_keyboard[m_mux & 0x0f]->read() >> 8) & 0xff; });
m_mcu->port_in_cb<2>().set(FUNC(archimedes_keyboard_device::mouse_r));
m_mcu->port_in_cb<3>().set([this]() { return m_mouse[2]->read() & 0xff; });
m_mcu->port_out_cb<2>().set([this](uint8_t data) { m_mux = data; });
m_mcu->port_out_cb<3>().set(FUNC(archimedes_keyboard_device::leds_w));
m_mcu->serial_rx_cb().set([this]() { return get_received_char(); });
m_mcu->serial_tx_cb().set(FUNC(archimedes_keyboard_device::tx_w));
}
//-------------------------------------------------
// rom_region - device-specific ROM region
//-------------------------------------------------
ROM_START( archimedes_keyboard )
ROM_REGION( 0x1000, "mcu", 0 )
ROM_LOAD("acorn_0280,022-01_philips_8051ah-2.bin", 0x0000, 0x1000, CRC(95095d38) SHA1(b9fd0000d77987f76fd48348fe2c6988818f40cb))
ROM_END
const tiny_rom_entry *archimedes_keyboard_device::device_rom_region() const
{
return ROM_NAME( archimedes_keyboard );
}
void archimedes_keyboard_device::tra_complete()
{
}
void archimedes_keyboard_device::rcv_complete()
{
receive_register_extract();
m_mcu->set_input_line(MCS51_RX_LINE, ASSERT_LINE);
m_mcu->set_input_line(MCS51_RX_LINE, CLEAR_LINE);
}
void archimedes_keyboard_device::tra_callback()
{
m_kout(transmit_register_get_data_bit());
}
void archimedes_keyboard_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
// Mouse quadrature signals
// Increase Decrease
// REF DIR REF DIR
// 1 1 1 1
// 1 0 0 1
// 0 0 0 0
// 0 1 1 0
switch (m_mouse_phase)
{
case 0:
m_mouse_xdir = m_mouse_xref = 1;
m_mouse_ydir = m_mouse_yref = 1;
break;
case 1:
m_mouse_xref = m_mouse_x < 0 ? 0 : 1;
m_mouse_xdir = m_mouse_x > 0 ? 0 : 1;
m_mouse_yref = m_mouse_y < 0 ? 0 : 1;
m_mouse_ydir = m_mouse_y > 0 ? 0 : 1;
break;
case 2:
m_mouse_xdir = m_mouse_xref = m_mouse_x != 0 ? 0 : 1;
m_mouse_ydir = m_mouse_yref = m_mouse_y != 0 ? 0 : 1;
break;
case 3:
m_mouse_xref = m_mouse_x > 0 ? 0 : 1;
m_mouse_xdir = m_mouse_x < 0 ? 0 : 1;
m_mouse_yref = m_mouse_y > 0 ? 0 : 1;
m_mouse_ydir = m_mouse_y < 0 ? 0 : 1;
if (m_mouse_x > 0) m_mouse_x--;
if (m_mouse_x < 0) m_mouse_x++;
if (m_mouse_y > 0) m_mouse_y--;
if (m_mouse_y < 0) m_mouse_y++;
break;
}
m_mouse_phase = (m_mouse_phase + 1) & 3;
}
void archimedes_keyboard_device::leds_w(uint8_t data)
{
// Keyboard LEDs
// --- -x-- Caps Lock
// --- x--- Scroll Lock
// --x ---- Num Lock
for (int i = 0; i < 3; i++)
m_leds[i] = BIT(data, 2 + i);
}
uint8_t archimedes_keyboard_device::mouse_r()
{
return (m_mouse_xref << 4) | (m_mouse_xdir << 5) | (m_mouse_yref << 6) | (m_mouse_ydir << 7);
}
void archimedes_keyboard_device::tx_w(uint8_t data)
{
if (is_transmit_register_empty())
transmit_register_setup(data);
}
INPUT_CHANGED_MEMBER(archimedes_keyboard_device::update_mouse_input)
{
if (param == 0)
m_mouse_x = (int16_t)m_mouse[0]->read();
if (param == 1)
m_mouse_y = (int16_t)m_mouse[1]->read();
}