diff options
Diffstat (limited to 'src/mame/mg1/kbd.cpp')
-rw-r--r-- | src/mame/mg1/kbd.cpp | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/src/mame/mg1/kbd.cpp b/src/mame/mg1/kbd.cpp new file mode 100644 index 00000000000..b3c41da3956 --- /dev/null +++ b/src/mame/mg1/kbd.cpp @@ -0,0 +1,250 @@ +// 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); +} |