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// license:BSD-3-Clause
// copyright-holders:AJR
/*********************************************************************
Ivasim Ivel Ultra 63-key keyboard
This Serbo-Croatian keyboard has somewhat similar properties to
the TK-10 keyboard, though its program is undoubtedly original.
The TTY Lock key functions as both a caps lock key and a modifier
key that can be used in conjunction with the characters of the
top row or with the letter M (to enter the monitor). Two of these
functions, YU and ASCII, produce no keycodes but switch the
system between the JUS I.B1.002 ("YUSCII") code and normal ASCII.
This key also has an unemulated LED of unknown significance.
*********************************************************************/
#include "emu.h"
#include "ivelultrkb.h"
#include "cpu/m6800/m6800.h"
#include "machine/6821pia.h"
namespace {
class ivelultrkb_device : public device_t, public device_a2kbd_interface
{
public:
// device type constructor
ivelultrkb_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
DECLARE_INPUT_CHANGED_MEMBER(reset_changed);
protected:
// device_t implementation
virtual void device_start() override ATTR_COLD;
virtual ioport_constructor device_input_ports() const override ATTR_COLD;
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
private:
// port handlers
u8 pia_pa_r();
// access handlers
u8 pia_r(offs_t offset);
void pia_w(offs_t offset, u8 data);
// memory map
void mem_map(address_map &map);
// object finders
required_device<cpu_device> m_kbmcu;
required_device<pia6821_device> m_pia;
required_ioport_array<10> m_keys;
required_ioport m_ctrl;
// internal state
u16 m_scan_offset;
};
ivelultrkb_device::ivelultrkb_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
: device_t(mconfig, IVEL_ULTRA_KEYBOARD, tag, owner, clock)
, device_a2kbd_interface(mconfig, *this)
, m_kbmcu(*this, "kbmcu")
, m_pia(*this, "pia")
, m_keys(*this, "KEY%u", 0U)
, m_ctrl(*this, "CTRL")
, m_scan_offset(0)
{
}
void ivelultrkb_device::device_start()
{
save_item(NAME(m_scan_offset));
}
u8 ivelultrkb_device::pia_pa_r()
{
u8 ret = 0xff;
for (int i = 0; i < 10; i++)
if (BIT(m_scan_offset, i))
ret &= m_keys[i]->read();
return ret;
}
u8 ivelultrkb_device::pia_r(offs_t offset)
{
m_scan_offset = ~offset & 0x3ff;
return m_pia->read(offset >> 12);
}
void ivelultrkb_device::pia_w(offs_t offset, u8 data)
{
m_pia->write(offset >> 12, data);
}
void ivelultrkb_device::mem_map(address_map &map)
{
map(0x4000, 0x7fff).rw(FUNC(ivelultrkb_device::pia_r), FUNC(ivelultrkb_device::pia_w));
map(0xf800, 0xffff).rom().region("kbmcu", 0);
}
INPUT_CHANGED_MEMBER(ivelultrkb_device::reset_changed)
{
const u8 ctrl = m_ctrl->read();
m_kbmcu->set_input_line(INPUT_LINE_RESET, (ctrl & 0x03) == 0 ? ASSERT_LINE : CLEAR_LINE);
reset_w((ctrl & 0x03) != 0);
}
static INPUT_PORTS_START(ivelultrkb)
PORT_START("KEY0")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q') PORT_CHAR(0x11)
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("2 \" HGR2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1 ! HGR1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a') PORT_CHAR(0x01)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z') PORT_CHAR(0x1a)
PORT_START("KEY1")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(0x0d)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"Đ \\ |") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('\\', 0x0110) PORT_CHAR('|', 0x0111) PORT_CHAR(0x1c)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Home EOF") PORT_CODE(KEYCODE_HOME) // Esc @
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("+ * EOL") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('+') PORT_CHAR('*')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Tab") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(0x09)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"Ž @ `") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('@', 0x017d) PORT_CHAR('`', 0x017e) PORT_CHAR(0x00)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT), 0x15)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT), 0x08)
PORT_START("KEY2")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"Š [ {") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[', 0x0160) PORT_CHAR('{', 0x0161)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p') PORT_CHAR(0x10)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("/ ? ASCII") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('/') PORT_CHAR('?')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0 = YU") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('=')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"Ć ] }") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(']', 0x0106) PORT_CHAR('}', 0x0107) PORT_CHAR(0x1d)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"Č ^ ~") PORT_CODE(KEYCODE_COLON) PORT_CHAR('^', 0x010c) PORT_CHAR('~', 0x010d) PORT_CHAR(0x1e)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RALT) PORT_CHAR('<') PORT_CHAR('>') // to right of -/_
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('-') PORT_CHAR('_')
PORT_START("KEY3")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o') PORT_CHAR(0x0f)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9 ) LIST") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8 ( RUN") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l') PORT_CHAR(0x0c)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k')
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR(':')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR(';')
PORT_START("KEY4")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('u')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y') PORT_CHAR(0x19)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7 ' TEXT") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6 & BOOT") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h')
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n') PORT_CHAR(0x0e)
PORT_START("KEY5")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5 % CAT2") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g') PORT_CHAR(0x07)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f') PORT_CHAR(0x06)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b') PORT_CHAR(0x02)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v') PORT_CHAR(0x16)
PORT_START("KEY6")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e') PORT_CHAR(0x05)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w') PORT_CHAR(0x17)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3 # EDIT") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4 $ CAT1") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d') PORT_CHAR(0x04)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s')
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x') PORT_CHAR(0x18)
PORT_START("KEY7")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Brk") PORT_CODE(KEYCODE_F1) PORT_CHAR(0x03) // to left of Esc
PORT_BIT(0x1c, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Stop List") PORT_CODE(KEYCODE_F2) PORT_CHAR(0x13) // to left of Ctrl
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP), 0x0b)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN), 0x0a)
PORT_START("KEY8")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("TTY Lock") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) // to left of Left Shift
PORT_START("KEY9")
PORT_BIT(0x7f, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_START("CTRL")
PORT_BIT(1, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) PORT_CHANGED_MEMBER(DEVICE_SELF, FUNC(ivelultrkb_device::reset_changed), 0)
PORT_BIT(2, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Reset") PORT_CODE(KEYCODE_F12) PORT_CHANGED_MEMBER(DEVICE_SELF, FUNC(ivelultrkb_device::reset_changed), 0)
INPUT_PORTS_END
ioport_constructor ivelultrkb_device::device_input_ports() const
{
return INPUT_PORTS_NAME(ivelultrkb);
}
void ivelultrkb_device::device_add_mconfig(machine_config &config)
{
M6802(config, m_kbmcu, 4'000'000); // unknown clock
m_kbmcu->set_addrmap(AS_PROGRAM, &ivelultrkb_device::mem_map);
PIA6821(config, m_pia);
m_pia->readpa_handler().set(FUNC(ivelultrkb_device::pia_pa_r));
m_pia->readpb_handler().set_ioport("CTRL").mask(1).lshift(7);
m_pia->writepb_handler().set(FUNC(ivelultrkb_device::b_w)).mask(0x7f);
m_pia->ca2_handler().set(FUNC(ivelultrkb_device::mode_w));
m_pia->cb2_handler().set(FUNC(ivelultrkb_device::strobe_w));
}
ROM_START(ivelultrkb)
ROM_REGION(0x800, "kbmcu", 0)
// "KBDULTRA 6802/8507 TIBOR & CO DESIGN"
ROM_LOAD("ultra4.bin", 0x000, 0x800, CRC(3dce51ac) SHA1(676b6e775d5159049cae5b6143398ec7b2bf437a))
ROM_END
const tiny_rom_entry *ivelultrkb_device::device_rom_region() const
{
return ROM_NAME(ivelultrkb);
}
} // anonymous namespace
// device type definition
DEFINE_DEVICE_TYPE_PRIVATE(IVEL_ULTRA_KEYBOARD, device_a2kbd_interface, ivelultrkb_device, "ivelultrkb", "Ivel Ultra keyboard")
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