// license:BSD-3-Clause
// copyright-holders:Sergey Svishchev
#include "emu.h"
#include "ibm6580_kbd.h"
//#define LOG_GENERAL (1U << 0) //defined in logmacro.h already
#define LOG_DEBUG (1U << 1)
#define LOG_KEYBOARD (1U << 2)
//#define VERBOSE (LOG_GENERAL | LOG_DEBUG)
//#define LOG_OUTPUT_FUNC printf
#include "logmacro.h"
#define LOGDBG(...) LOGMASKED(LOG_DEBUG, __VA_ARGS__)
#define LOGKBD(...) LOGMASKED(LOG_KEYBOARD, __VA_ARGS__)
DEFINE_DEVICE_TYPE(DW_KEYBOARD, dw_keyboard_device, "dw_kbd", "IBM Displaywriter Keyboard")
ROM_START( dw_keyboard )
ROM_REGION(0x800, "mcu", 0)
ROM_LOAD("4333923_kb_8048.bin", 0x0000, 0x400, CRC(7850e3a0) SHA1(3183d93e34707f4b24f4f71db658c3cf317a631a))
ROM_END
const tiny_rom_entry *dw_keyboard_device::device_rom_region() const
{
return ROM_NAME( dw_keyboard );
}
void dw_keyboard_device::device_add_mconfig(machine_config &config)
{
I8049(config, m_mcu, XTAL(6'000'000)); // XXX RC oscillator
m_mcu->bus_in_cb().set(FUNC(dw_keyboard_device::bus_r));
m_mcu->bus_out_cb().set(FUNC(dw_keyboard_device::bus_w));
m_mcu->p1_out_cb().set(FUNC(dw_keyboard_device::p1_w));
m_mcu->p2_in_cb().set(FUNC(dw_keyboard_device::p2_r));
m_mcu->p2_out_cb().set(FUNC(dw_keyboard_device::p2_w));
m_mcu->t0_in_cb().set(FUNC(dw_keyboard_device::t0_r));
m_mcu->t1_in_cb().set(FUNC(dw_keyboard_device::t1_r));
}
INPUT_PORTS_START( dw_keyboard )
/*
* Keyboard Arrangement Options -- p. 5-12 of Product Support Manual '83
* Keyboard Matrix -- p. 5-6 ('83) and p. 26 ('82)
*/
PORT_START("DIP")
PORT_DIPNAME( 0xff, 1, "Layout" )
PORT_DIPSETTING( 1, "U.S." )
PORT_DIPSETTING( 250, "U.S. Dvorak" )
PORT_START("COL.0")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Unknown 81")
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Unknown 77")
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Unknown 73")
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Spell")
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Line Adj")
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Page End")
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Find")
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Go To")
PORT_START("COL.1")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Get")
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Move") PORT_CODE(KEYCODE_PGDN) PORT_CHAR(UCHAR_MAMEKEY(PGDN))
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Del") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL))
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Chg Fmt")
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
PORT_START("COL.2")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("RShift") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Index")
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Bksp") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("COL.3")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("/ ?") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("3 2") PORT_CODE(KEYCODE_BACKSLASH)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("[ ]") PORT_CODE(KEYCODE_CLOSEBRACE) 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_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("1/4 1/2") PORT_CODE(KEYCODE_OPENBRACE)
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD))
PORT_START("COL.4")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',')
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(')
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(".") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.')
PORT_START("COL.5")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
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_8) PORT_CHAR('8') PORT_CHAR('*')
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&')
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
PORT_START("COL.6")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
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_Y) PORT_CHAR('y') PORT_CHAR('Y')
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^')
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_T) PORT_CHAR('t') PORT_CHAR('T')
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
PORT_START("COL.7")
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_F) PORT_CHAR('f') PORT_CHAR('F')
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
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_D) PORT_CHAR('d') PORT_CHAR('D')
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
PORT_START("COL.8")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Paragraph")
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@')
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
PORT_START("COL.9")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LShift") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Plusminus") PORT_CODE(KEYCODE_TILDE)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Code") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT))
PORT_START("COL.10")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Msg")
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Unknown 4")
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Unknown 83")
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Unknown 2")
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Print")
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
PORT_START("COL.11")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("End") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END))
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Unknown 3")
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Unknown 82")
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Unknown 1")
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Reqst")
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
INPUT_PORTS_END
ioport_constructor dw_keyboard_device::device_input_ports() const
{
return INPUT_PORTS_NAME( dw_keyboard );
}
dw_keyboard_device::dw_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, DW_KEYBOARD, tag, owner, clock)
, m_kbd(*this, "COL.%u", 0)
, m_out_data(*this)
, m_out_clock(*this)
, m_out_strobe(*this)
, m_mcu(*this, "mcu")
{
}
void dw_keyboard_device::device_start()
{
m_out_data.resolve_safe();
m_out_clock.resolve_safe();
m_out_strobe.resolve_safe();
m_reset_timer = timer_alloc();
}
void dw_keyboard_device::device_reset()
{
}
void dw_keyboard_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
m_mcu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE);
}
WRITE8_MEMBER( dw_keyboard_device::p1_w )
{
m_drive = data;
LOGDBG("p1 <- %02x = drive %04x\n", data, m_drive);
}
WRITE8_MEMBER( dw_keyboard_device::p2_w )
{
if (BIT(m_p2 ^ data, 3) && BIT(data, 3)) {
m_sense = data & 7;
}
m_p2 = data;
m_drive = ((data & 0xf0) << 4);
LOGDBG("p2 <- %02x = drive %04x sense row %d\n", data, m_drive, data & 7);
}
READ8_MEMBER( dw_keyboard_device::p2_r )
{
uint8_t data = m_p2;
LOGDBG("p2 == %02x\n", data);
return data;
}
READ_LINE_MEMBER( dw_keyboard_device::t0_r )
{
LOGKBD("t0 == %d\n", m_ack);
return m_ack;
}
READ_LINE_MEMBER( dw_keyboard_device::t1_r )
{
LOGDBG("t1 == %d\n", m_keylatch);
return m_keylatch;
}
WRITE8_MEMBER( dw_keyboard_device::bus_w )
{
int i, sense = 0;
/*
bit description
0 Serial data
1 Serial data strobe
2 NC
3 NC
4 Serial data clock
5 (dip)
6 (dip)
7 NC on kbdbabel schematic, in use by firmware XXX
*/
if ((data & 0x72) != 0x72)
LOG("bus <- %02x = send %d strobe %d clock %d | dip clk %d dip load %d\n",
data, BIT(data, 0), BIT(data, 1), BIT(data, 4), BIT(data, 5), BIT(data, 6));
m_bus = data;
m_out_data(BIT(data, 0));
m_out_strobe(BIT(data, 1));
m_out_clock(BIT(data, 4));
if (BIT(data, 7)) {
for (i = 0; i < 12; i++) {
if (BIT(m_drive, i)) {
sense |= m_kbd[i]->read();
break;
}
}
m_keylatch = BIT(sense, m_sense);
if (m_keylatch)
LOG("bus key %02x pressed (drive %04x sense %x)\n", (i << 3) | m_sense, m_drive, m_sense);
}
if (!BIT(data, 6)) {
m_dip = ~ioport("DIP")->read();
LOG("bus loaded DIP switch setting 0x%02x\n", m_dip);
m_mcu->set_input_line(MCS48_INPUT_IRQ, m_dip & 1 ? ASSERT_LINE : CLEAR_LINE);
}
if (!BIT(data, 5)) {
m_dip >>= 1;
m_mcu->set_input_line(MCS48_INPUT_IRQ, m_dip & 1 ? ASSERT_LINE : CLEAR_LINE);
}
}
READ8_MEMBER( dw_keyboard_device::bus_r )
{
return m_bus;
}
WRITE_LINE_MEMBER( dw_keyboard_device::reset_w )
{
if(!state)
m_reset_timer->adjust(attotime::from_msec(50));
else
{
m_reset_timer->adjust(attotime::never);
m_mcu->set_input_line(INPUT_LINE_RESET, CLEAR_LINE);
}
}
WRITE_LINE_MEMBER( dw_keyboard_device::ack_w )
{
m_ack = state;
}