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// license:BSD-3-Clause
// copyright-holders:AJR
/***********************************************************************************************************************************
TeleVideo 950 101-key serial keyboard emulation.
************************************************************************************************************************************/
#include "emu.h"
#include "machine/tv950kb.h"
DEFINE_DEVICE_TYPE(TV950_KEYBOARD, tv950kb_device, "tv950kb", "TeleVideo 950 Keyboard")
tv950kb_device::tv950kb_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
: device_t(mconfig, TV950_KEYBOARD, tag, owner, clock)
, m_tx_cb(*this)
, m_mcu(*this, "mcu")
, m_beeper(*this, "beeper")
, m_keys(*this, "ROW%u", 0U)
{
}
void tv950kb_device::device_resolve_objects()
{
m_tx_cb.resolve_safe();
}
void tv950kb_device::device_start()
{
}
WRITE_LINE_MEMBER(tv950kb_device::rx_w)
{
m_beeper->level_w(state);
}
u8 tv950kb_device::keys_r()
{
const u16 row_select = m_mcu->p2_r() | m_mcu->p1_r() << 8;
u8 result = 0xff;
for (int n = 0; n < 13; n++)
if (!BIT(row_select, n))
result &= m_keys[n]->read();
return result;
}
WRITE_LINE_MEMBER(tv950kb_device::tx_w)
{
m_tx_cb(state);
}
void tv950kb_device::rw_map(address_map &map)
{
map(0x00, 0x00).mirror(0xff).r(FUNC(tv950kb_device::keys_r)).nopw();
}
void tv950kb_device::device_add_mconfig(machine_config &config)
{
I8748(config, m_mcu, 5.7143_MHz_XTAL);
m_mcu->p1_in_cb().set_ioport("FUNCT");
m_mcu->p1_out_cb().set(FUNC(tv950kb_device::tx_w)).bit(7);
m_mcu->t0_in_cb().set_ioport("CTRL").bit(0);
m_mcu->t1_in_cb().set_ioport("CTRL").bit(1);
m_mcu->set_addrmap(AS_IO, &tv950kb_device::rw_map);
SPEAKER(config, "mono").front_center();
SPEAKER_SOUND(config, m_beeper).add_route(ALL_OUTPUTS, "mono", 0.50);
}
static INPUT_PORTS_START(tv950kb)
PORT_START("ROW0")
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('1') PORT_CHAR('!') PORT_CODE(KEYCODE_1)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('2') PORT_CHAR('@') PORT_CODE(KEYCODE_2)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('3') PORT_CHAR('#') PORT_CODE(KEYCODE_3)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('4') PORT_CHAR('$') PORT_CODE(KEYCODE_4)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('5') PORT_CHAR('%') PORT_CODE(KEYCODE_5)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('6') PORT_CHAR('^') PORT_CODE(KEYCODE_6)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('7') PORT_CHAR('&') PORT_CODE(KEYCODE_7)
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('8') PORT_CHAR('*') PORT_CODE(KEYCODE_8)
PORT_START("ROW1")
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('9') PORT_CHAR('(') PORT_CODE(KEYCODE_9)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('0') PORT_CHAR(')') PORT_CODE(KEYCODE_0)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F7 Ins Ch") PORT_CHAR(UCHAR_MAMEKEY(F7)) PORT_CODE(KEYCODE_F12) // "Char Insert" according to operator's manual
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F8 Del Ch") PORT_CHAR(UCHAR_MAMEKEY(F8)) PORT_CODE(KEYCODE_F13) // "Char Delete" according to operator's manual
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Loc Ins Ln") PORT_CODE(KEYCODE_F14) // "Line Insert" according to operator's manual
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Msg Del Ln") PORT_CODE(KEYCODE_F15) // "Line Delete" according to operator's manual
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('-') PORT_CHAR('_') PORT_CODE(KEYCODE_MINUS)
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('=') PORT_CHAR('+') PORT_CODE(KEYCODE_EQUALS)
PORT_START("ROW2")
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('`') PORT_CHAR('~') PORT_CODE(KEYCODE_TILDE)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('\\') PORT_CHAR('|') PORT_CODE(KEYCODE_BACKSLASH)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Back Space") PORT_CHAR(0x08) PORT_CODE(KEYCODE_BACKSPACE)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(0x09) PORT_CODE(KEYCODE_TAB)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('q') PORT_CHAR('Q') PORT_CODE(KEYCODE_Q)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('w') PORT_CHAR('W') PORT_CODE(KEYCODE_W)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('e') PORT_CHAR('E') PORT_CODE(KEYCODE_E)
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('r') PORT_CHAR('R') PORT_CODE(KEYCODE_R)
PORT_START("ROW3")
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('t') PORT_CHAR('T') PORT_CODE(KEYCODE_T)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('y') PORT_CHAR('Y') PORT_CODE(KEYCODE_Y)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('u') PORT_CHAR('U') PORT_CODE(KEYCODE_U)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('i') PORT_CHAR('I') PORT_CODE(KEYCODE_I)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('o') PORT_CHAR('O') PORT_CODE(KEYCODE_O)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('p') PORT_CHAR('P') PORT_CODE(KEYCODE_P)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('[') PORT_CHAR(']') PORT_CODE(KEYCODE_OPENBRACE)
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Line Feed") PORT_CHAR(0x0a)
PORT_START("ROW4")
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('a') PORT_CHAR('A') PORT_CODE(KEYCODE_A)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('s') PORT_CHAR('S') PORT_CODE(KEYCODE_S)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('d') PORT_CHAR('D') PORT_CODE(KEYCODE_D)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('f') PORT_CHAR('F') PORT_CODE(KEYCODE_F)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('g') PORT_CHAR('G') PORT_CODE(KEYCODE_G)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('h') PORT_CHAR('H') PORT_CODE(KEYCODE_H)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('j') PORT_CHAR('J') PORT_CODE(KEYCODE_J)
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('k') PORT_CHAR('K') PORT_CODE(KEYCODE_K)
PORT_START("ROW5")
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('l') PORT_CHAR('L') PORT_CODE(KEYCODE_L)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(';') PORT_CHAR(':') PORT_CODE(KEYCODE_COLON)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('\'') PORT_CHAR('"') PORT_CODE(KEYCODE_QUOTE)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Back Tab") // below Ctrl
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('z') PORT_CHAR('Z') PORT_CODE(KEYCODE_Z)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('x') PORT_CHAR('X') PORT_CODE(KEYCODE_X)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('c') PORT_CHAR('C') PORT_CODE(KEYCODE_C)
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('v') PORT_CHAR('V') PORT_CODE(KEYCODE_V)
PORT_START("ROW6")
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('b') PORT_CHAR('B') PORT_CODE(KEYCODE_B)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('n') PORT_CHAR('N') PORT_CODE(KEYCODE_N)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('m') PORT_CHAR('M') PORT_CODE(KEYCODE_M)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(',') PORT_CHAR('<') PORT_CODE(KEYCODE_COMMA)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('.') PORT_CHAR('>') PORT_CODE(KEYCODE_STOP)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('/') PORT_CHAR('?') PORT_CODE(KEYCODE_SLASH)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('{') PORT_CHAR('}') PORT_CODE(KEYCODE_CLOSEBRACE) // to right of Shift
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_CODE(KEYCODE_DEL)
PORT_START("ROW7")
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(' ') PORT_CODE(KEYCODE_SPACE)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_CODE(KEYCODE_DOWN)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_CODE(KEYCODE_UP)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_CODE(KEYCODE_LEFT)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_CODE(KEYCODE_RIGHT)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) PORT_CODE(KEYCODE_7_PAD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) PORT_CODE(KEYCODE_8_PAD)
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) PORT_CODE(KEYCODE_9_PAD)
PORT_START("ROW8")
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) PORT_CODE(KEYCODE_4_PAD)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) PORT_CODE(KEYCODE_5_PAD)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) PORT_CODE(KEYCODE_6_PAD)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) PORT_CODE(KEYCODE_1_PAD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) PORT_CODE(KEYCODE_2_PAD)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) PORT_CODE(KEYCODE_3_PAD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(COMMA_PAD)) PORT_CODE(KEYCODE_COMMA_PAD)
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) PORT_CODE(KEYCODE_0_PAD)
PORT_START("ROW9")
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) PORT_CODE(KEYCODE_DEL_PAD)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad _") // on lowest row of keypad
PORT_BIT(0x3f, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("ROW10")
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Esc Loc Esc") PORT_CHAR(0x1b) PORT_CODE(KEYCODE_ESC)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Cmd Line") // above KP 7; "Line Erase" according to operator's manual
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Start") // above KP 8; "Page Erase" according to operator's manual
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Step") // above KP 9; "Send" according to operator's manual
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Home") PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_CODE(KEYCODE_RALT)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CHAR(0x0d) PORT_CODE(KEYCODE_ENTER)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Field Select") // below Back Space; "Clear Space" according to operator's manual
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) PORT_CODE(KEYCODE_ENTER_PAD) // keypad lower left corner
PORT_START("ROW11")
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Help " UTF8_LEFT "Wd") PORT_CODE(KEYCODE_F1) // "F1" according to operator's manual
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Top Menu " UTF8_RIGHT "Wd") PORT_CODE(KEYCODE_F2) // "F2" according to operator's manual
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Move " UTF8_UP "Scroll") PORT_CODE(KEYCODE_F3) // "F3" according to operator's manual
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(" " UTF8_DOWN "Scroll") PORT_CODE(KEYCODE_F4) // "F4" according to operator's manual
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1 " UTF8_UP "Scrn") PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_CODE(KEYCODE_F5) // "F5" according to operator's manual
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2 " UTF8_DOWN "Scrn") PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_CODE(KEYCODE_F6) // "F6" according to operator's manual
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3 Del Wo") PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_CODE(KEYCODE_F7) // "F7" according to operator's manual
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_CODE(KEYCODE_F8) // "F8" according to operator's manual
PORT_START("ROW12")
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Blank key") PORT_CODE(KEYCODE_F9) // "F9" according to operator's manual
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5 EOF") PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_CODE(KEYCODE_F10) // "F10" according to operator's manual
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F6 BOF") PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_CODE(KEYCODE_F11) // "F11" according to operator's manual
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("No Scroll Set Up") // top left corner
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Print") // to left of Funct
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Break") // above Del
PORT_BIT(0x03, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("CTRL")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CHAR(UCHAR_SHIFT_2) PORT_CODE(KEYCODE_LCONTROL)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CHAR(UCHAR_SHIFT_1) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
PORT_START("FUNCT")
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Funct") PORT_CHAR(UCHAR_MAMEKEY(LALT)) PORT_CODE(KEYCODE_LALT)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Alpha Lock") PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE
PORT_BIT(0x9f, IP_ACTIVE_LOW, IPT_UNUSED)
INPUT_PORTS_END
ioport_constructor tv950kb_device::device_input_ports() const
{
return INPUT_PORTS_NAME(tv950kb);
}
ROM_START(tv950kb)
ROM_REGION(0x400, "mcu", 0)
ROM_LOAD("950kbd_8748_pn52080723-02.bin", 0x000, 0x400, CRC(11c8f22c) SHA1(99e73e9c74b10055733e89b92adbc5bf7f4ff338))
ROM_END
const tiny_rom_entry *tv950kb_device::device_rom_region() const
{
return ROM_NAME(tv950kb);
}
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