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-rw-r--r--src/mame/mg1/kbd.cpp250
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diff --git a/src/mame/mg1/kbd.cpp b/src/mame/mg1/kbd.cpp
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index 00000000000..b3c41da3956
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+++ b/src/mame/mg1/kbd.cpp
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+// license:BSD-3-Clause
+// copyright-holders:Patrick Mackinlay
+
+/*
+ * Emulation of a keyboard for the Whitechapel Computer Works MG-1 workstation.
+ *
+ * Sources:
+ * - Data sheet E501-1083, "Personal Computer Keyboard", General Instrument, Computer Products Division, C.P. Clare International N.V.
+ *
+ * TODO:
+ * - feed back outputs to /int and t1 inputs (not used by firmware)
+ * - RS422 and IBM output options
+ */
+
+#include "emu.h"
+#include "kbd.h"
+
+#define VERBOSE 0
+#include "logmacro.h"
+
+DEFINE_DEVICE_TYPE(MG1_KBD, mg1_kbd_device, "mg1_kbd_device", "MG-1 Keyboard")
+
+namespace {
+
+INPUT_PORTS_START(mg1_kbd_device)
+ PORT_START("w")
+ PORT_DIPNAME(0xf0, 0x10, "Baud Rate")
+ PORT_DIPSETTING(0x00, "300")
+ PORT_DIPSETTING(0x10, "1200")
+ PORT_DIPSETTING(0x20, "2400")
+ PORT_DIPSETTING(0x30, "9600")
+
+ PORT_START("col.0") // 27, 47, 65, , 9, 55
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
+ 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_B) PORT_CHAR('b') PORT_CHAR('B')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("KP 5") PORT_CHAR(UCHAR_MAMEKEY(5_PAD))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.1") // 28, 48, 66, , 10, 54
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED)
+ 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_4_PAD) PORT_NAME("KP 4") PORT_CHAR(UCHAR_MAMEKEY(4_PAD))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.2") // 29, 49, 67, , 11, 37
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
+ 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_M) PORT_CHAR('m') PORT_CHAR('M')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_NAME("KP 9") PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.3") // , 34, 72, 82, 16, 17
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_NAME("Return") PORT_CHAR(13)
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ASTERISK) PORT_NAME("*") PORT_CHAR(UCHAR_MAMEKEY(ASTERISK))
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD) PORT_NAME("KP 0") PORT_CHAR(UCHAR_MAMEKEY(0_PAD))
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("Backspace") PORT_CHAR(8)
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_NUMLOCK) PORT_NAME("Num Lock") PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.4") // 33, 53, 71, 81, 15, 18
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT) PORT_NAME("R Shift") PORT_CHAR(UCHAR_MAMEKEY(RSHIFT))
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_NAME("Caps Lock") PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SCRLOCK) PORT_NAME("Scr. Lock") PORT_CHAR(UCHAR_MAMEKEY(SCRLOCK))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.5") // 32, 52, 70, , 14, 38
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED)
+ 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_CODE(KEYCODE_MINUS_PAD) PORT_NAME("KP -") PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.6") // 31, 51, 69, , 13, 35
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
+ 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_STOP) PORT_CHAR('.') PORT_CHAR('>')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_NAME("KP 7") PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.7") // 30, 50, 68, , 12, 36
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED)
+ 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_8_PAD) PORT_NAME("KP 8") PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.8") // 26, 46, 64, , 8, 56
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED)
+ 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_6_PAD) PORT_NAME("KP 6") PORT_CHAR(UCHAR_MAMEKEY(6_PAD))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.9") // 25, 45, 63, , 7, 73
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
+ 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_C) PORT_CHAR('c') PORT_CHAR('C')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("KP 1") PORT_CHAR(UCHAR_MAMEKEY(1_PAD))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.a") // 24, 44, 62, , 6, 74
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED)
+ 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_2_PAD) PORT_NAME("KP 2") PORT_CHAR(UCHAR_MAMEKEY(2_PAD))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.b") // 23, 43, 61, , 5, 75
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
+ 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_Z) PORT_CHAR('z') PORT_CHAR('Z')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("KP 3") PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.c") // 19, 39, 57, 77, 1, 76b
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_NAME("F3") PORT_CHAR(UCHAR_MAMEKEY(F3))
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_NAME("F5") PORT_CHAR(UCHAR_MAMEKEY(F5))
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_NAME("F7") PORT_CHAR(UCHAR_MAMEKEY(F7))
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9) PORT_NAME("F9") PORT_CHAR(UCHAR_MAMEKEY(F9))
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_NAME("F1") PORT_CHAR(UCHAR_MAMEKEY(F1))
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) // 76b?
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.d") // 20, 40, 58, 78, 2, 76
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_NAME("F4") PORT_CHAR(UCHAR_MAMEKEY(F4))
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_NAME("F6") PORT_CHAR(UCHAR_MAMEKEY(F6))
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8) PORT_NAME("F8") PORT_CHAR(UCHAR_MAMEKEY(F8))
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10) PORT_NAME("F10") PORT_CHAR(UCHAR_MAMEKEY(F10))
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_NAME("F2") PORT_CHAR(UCHAR_MAMEKEY(F2))
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_PLUS_PAD) PORT_NAME("KP +") PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.e") // 21, 41, 59, 79, 3, 76a
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_NAME("Tab") PORT_CHAR(9)
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_NAME("Control") PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_NAME("L Shift") PORT_CHAR(UCHAR_SHIFT_1)
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LALT) PORT_NAME("Alt")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_NAME("Esc") PORT_CHAR(UCHAR_MAMEKEY(ESC))
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) // 76a?
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("col.f") // 22, 42, 60, 80, 4, 83
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_NAME("Space") PORT_CHAR(UCHAR_MAMEKEY(SPACE))
+ 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_DEL) PORT_NAME("Delete") PORT_CHAR(UCHAR_MAMEKEY(DEL))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
+INPUT_PORTS_END
+
+ROM_START(mg1_kbd_device)
+ ROM_REGION(0x800, "mcu", 0)
+ ROM_LOAD("2716.z4", 0x0, 0x800, CRC(ae325c37) SHA1(c6e90b10241fa61e12124ef9a5cea15212d5866c))
+ROM_END
+
+} // anonymous namespace
+
+mg1_kbd_device::mg1_kbd_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock)
+ : device_t(mconfig, MG1_KBD, tag, owner, clock)
+ , m_data_cb(*this)
+ , m_mcu(*this, "mcu")
+ , m_w(*this, "w")
+ , m_matrix(*this, "col.%x", 0U)
+ , m_led(*this, "led.%u", 0U)
+{
+}
+
+void mg1_kbd_device::device_add_mconfig(machine_config &config)
+{
+ I8039(config, m_mcu, 6_MHz_XTAL);
+ m_mcu->set_addrmap(AS_PROGRAM, &mg1_kbd_device::map_mem);
+ m_mcu->set_addrmap(AS_IO, &mg1_kbd_device::map_pio);
+ m_mcu->p1_out_cb().set(
+ [this](u8 data)
+ {
+ m_data_cb(BIT(data, 1));
+
+ m_led[0] = BIT(data, 4); // caps lock
+ m_led[1] = BIT(data, 5); // num lock
+ });
+ m_mcu->p2_in_cb().set([this]() { return m_w->read(); });
+}
+
+void mg1_kbd_device::map_mem(address_map &map)
+{
+ map(0x000, 0x7ff).rom().region("mcu", 0);
+}
+
+void mg1_kbd_device::map_pio(address_map &map)
+{
+ map(0x30, 0x3f).nopw().lr8([this](offs_t offset) { return u8(m_matrix[offset]->read()); }, "matrix_r");
+}
+
+void mg1_kbd_device::device_start()
+{
+ m_led.resolve();
+}
+
+ioport_constructor mg1_kbd_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME(mg1_kbd_device);
+}
+
+tiny_rom_entry const *mg1_kbd_device::device_rom_region() const
+{
+ return ROM_NAME(mg1_kbd_device);
+}