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-rw-r--r--src/devices/bus/mackbd/pluskbd.cpp311
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diff --git a/src/devices/bus/mackbd/pluskbd.cpp b/src/devices/bus/mackbd/pluskbd.cpp
new file mode 100644
index 00000000000..e67735bfb56
--- /dev/null
+++ b/src/devices/bus/mackbd/pluskbd.cpp
@@ -0,0 +1,311 @@
+// license: BSD-3-Clause
+// copyright-holders: Vas Crabb
+/***************************************************************************
+
+ Apple M0110A keyboard with integrated keypad
+
+ This keyboard was only available in U.S./ANSI layout. International
+ markets continued to receive the M0110/M0120 keyboard/keypad.
+
+ Emulation based entirely on examining the MPU program and observing
+ behaviour. There may be additional hardware in the keyboard that is
+ not emulated (e.g. a watchdog timer).
+
+ +-----------+---------------+
+ | Pin | Keyboard |
+ +-----------+---------------+
+ | P10 (27) | row drive |
+ | P11 (28) | row drive |
+ | P12 (29) | row drive |
+ | P13 (30) | row drive |
+ | P14 (31) | row drive |
+ | P15 (32) | row drive |
+ | P16 (33) | row drive |
+ | P17 (34) | row drive |
+ +-----------+---------------+
+ | P20 (21) | row drive |
+ | P21 (22) | row drive |
+ | P22 (23) | Shift |
+ | P23 (24) | Caps Lock |
+ | P24 (35) | Option |
+ | P25 (36) | Command |
+ | P26 (37) | host clock |
+ | P27 (38) | host data |
+ +-----------+---------------+
+ | DB0 (12) | column read |
+ | DB1 (13) | column read |
+ | DB2 (14) | column read |
+ | DB3 (15) | column read |
+ | DB4 (16) | column read |
+ | DB5 (17) | column read |
+ | DB6 (18) | column read |
+ | DB6 (19) | column read |
+ +-----------+---------------+
+
+ +-----+-----------------------------------------------------------+
+ | | P10 P11 P12 P13 P14 P15 P16 P17 P20 P21 |
+ +-----+-----------------------------------------------------------+
+ | DB0 | \ Left Right Down KP0 KP. Ent |
+ | DB1 | KP* KP/ KP= Clear Bsp = - 0 Z |
+ | DB2 | KP8 KP9 KP- Up KP1 KP2 KP3 KP+ KP7 |
+ | DB3 | P [ ] ' Rtn KP4 KP5 KP6 Spc |
+ | DB4 | D F G H J K L ; A S |
+ | DB5 | W E R T Y U I O Tab Q |
+ | DB6 | 2 3 4 5 6 7 8 9 ` 1 |
+ | DB7 | V B N M , . / X C |
+ +-----+-----------------------------------------------------------+
+
+***************************************************************************/
+
+#include "emu.h"
+#include "pluskbd.h"
+
+#include "cpu/mcs48/mcs48.h"
+
+#define LOG_GENERAL (1U << 0)
+#define LOG_MATRIX (1U << 1)
+#define LOG_COMM (1U << 2)
+
+//#define VERBOSE (LOG_GENERAL | LOG_MATRIX | LOG_COMM)
+//#define LOG_OUTPUT_STREAM std::cerr
+#include "logmacro.h"
+
+#define LOGMATRIX(...) LOGMASKED(LOG_MATRIX, __VA_ARGS__)
+#define LOGCOMM(...) LOGMASKED(LOG_COMM, __VA_ARGS__)
+
+
+namespace {
+
+ROM_START(keyboard)
+ ROM_REGION(0x0400, "mpu", 0)
+ ROM_LOAD("341-0332-a.bin", 0x000000, 0x000400, CRC(6554f5b6) SHA1(a80404a122d74721cda13b285c412057c2c78bd7))
+ROM_END
+
+
+class m0110a_device : public device_t, public device_mac_keyboard_interface
+{
+public:
+ m0110a_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock)
+ : device_t(mconfig, MACKBD_M0110A, tag, owner, clock)
+ , device_mac_keyboard_interface(mconfig, *this)
+ , m_mpu{ *this, "mpu" }
+ , m_rows{ *this, "ROW%u", 0U }
+ {
+ }
+
+ CUSTOM_INPUT_MEMBER(host_data_r)
+ {
+ return m_host_data_in ^ 0x01;
+ }
+
+protected:
+ virtual tiny_rom_entry const *device_rom_region() const override
+ {
+ return ROM_NAME(keyboard);
+ }
+
+ virtual ioport_constructor device_input_ports() const override;
+
+ virtual void device_add_mconfig(machine_config &config) override
+ {
+ I8048(config, m_mpu, 6'000'000); // clock frequency unconfirmed
+ m_mpu->p1_out_cb().set(FUNC(m0110a_device::p1_w));
+ m_mpu->p2_in_cb().set_ioport("P2");
+ m_mpu->p2_out_cb().set(FUNC(m0110a_device::p2_w));
+ m_mpu->bus_in_cb().set(FUNC(m0110a_device::bus_r));
+ }
+
+ virtual void device_start() override
+ {
+ m_row_drive = 0x03ffU;
+ m_host_clock_out = 1U;
+ m_host_data_out = 1U;
+ m_host_data_in = 0x01U;
+
+ save_item(NAME(m_row_drive));
+ save_item(NAME(m_host_clock_out));
+ save_item(NAME(m_host_data_out));
+ save_item(NAME(m_host_data_in));
+ }
+
+ virtual DECLARE_WRITE_LINE_MEMBER(data_w) override
+ {
+ machine().scheduler().synchronize(timer_expired_delegate(FUNC(m0110a_device::update_host_data), this), state);
+ }
+
+private:
+ void p1_w(u8 data)
+ {
+ m_row_drive = (m_row_drive & 0x0300) | u16(data);
+ }
+
+ void p2_w(u8 data)
+ {
+ m_row_drive = (m_row_drive & 0x00ff) | (u16(data & 0x03) << 8);
+
+ if (BIT(data, 6) != m_host_clock_out)
+ {
+ if (BIT(data, 6))
+ LOGCOMM("%s: host clock out 0 -> 1 data=%u\n", machine().describe_context(), (m_host_data_out && m_host_data_in) ? 1U : 0U);
+ else
+ LOGCOMM("%s: host clock out 1 -> 0\n", machine().describe_context());
+ write_clock(m_host_clock_out = BIT(data, 6));
+ }
+
+ if (BIT(data, 7) != m_host_data_out)
+ {
+ LOGCOMM("%s: host data out %u -> %u\n", machine().describe_context(), m_host_data_out, BIT(data, 7));
+ write_data(m_host_data_out = BIT(data, 7));
+ }
+ }
+
+ u8 bus_r()
+ {
+ u8 result(0xffU);
+ for (unsigned i = 0U; m_rows.size() > i; ++i)
+ {
+ if (!BIT(m_row_drive, i))
+ result &= m_rows[i]->read();
+ }
+ LOGMATRIX("read matrix: row drive = %X, result = %X\n", m_row_drive, result);
+ return result;
+ }
+
+ TIMER_CALLBACK_MEMBER(update_host_data)
+ {
+ if (bool(param) != bool(m_host_data_in))
+ {
+ LOGCOMM("host data in %u -> %u\n", m_host_data_in, param ? 1U : 0U);
+ m_host_data_in = param ? 0x01U : 0x00U;
+ }
+ }
+
+ required_device<mcs48_cpu_device> m_mpu;
+ required_ioport_array<10> m_rows;
+
+ u16 m_row_drive = 0x03ffU; // current bit pattern driving rows (active low)
+ u8 m_host_clock_out = 1U; // clock line drive to host (idle high)
+ u8 m_host_data_out = 1U; // data line drive to host (idle high)
+ u8 m_host_data_in = 0x01U; // data line drive from host (idle high)
+};
+
+
+INPUT_PORTS_START(keyboard)
+ PORT_START("ROW0")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) PORT_NAME("Keypad *")
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) PORT_NAME("Keypad 8")
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
+
+ PORT_START("ROW1")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|')
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD)) PORT_NAME("Keypad /")
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) PORT_NAME("Keypad 9")
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
+
+ PORT_START("ROW2")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS_PAD) PORT_CHAR(UCHAR_MAMEKEY(EQUALS_PAD)) PORT_NAME("Keypad =")
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) PORT_NAME("Keypad -")
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
+
+ PORT_START("ROW3")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK)) PORT_NAME("Keypad Clear")
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
+
+ PORT_START("ROW4")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(0x08) PORT_NAME("Backspace")
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) PORT_NAME("Keypad 1")
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(0x0d) PORT_NAME("Return")
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
+
+ PORT_START("ROW5")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) PORT_NAME("Keypad 0")
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) PORT_NAME("Keypad 2")
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) PORT_NAME("Keypad 4")
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
+
+ PORT_START("ROW6")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) PORT_NAME("Keypad .")
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) PORT_NAME("Keypad 3")
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) PORT_NAME("Keypad 5")
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
+
+ PORT_START("ROW7")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) PORT_NAME("Keypad Enter")
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) PORT_NAME("Keypad +")
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) PORT_NAME("Keypad 6")
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("ROW8")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR(0x09) PORT_NAME("Tab")
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
+
+ PORT_START("ROW9")
+ PORT_BIT(0x03, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) PORT_NAME("Keypad 7")
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
+
+ PORT_START("P2")
+ PORT_BIT(0x43, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_NAME("Shift")
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_NAME("Caps Lock") PORT_TOGGLE
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_SHIFT_2) PORT_NAME("Option")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_NAME("Command")
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_CUSTOM) PORT_CUSTOM_MEMBER(m0110a_device, host_data_r)
+INPUT_PORTS_END
+
+
+ioport_constructor m0110a_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME(keyboard);
+}
+
+} // anonymous namespace
+
+
+DEFINE_DEVICE_TYPE_PRIVATE(MACKBD_M0110A, device_mac_keyboard_interface, m0110a_device, "mackbd_m0110a", "Macintosh Plus Keyboard (U.S. - M0110A)")