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Diffstat (limited to 'src/devices/bus/amiga/keyboard/a2000.cpp')
-rw-r--r--src/devices/bus/amiga/keyboard/a2000.cpp382
1 files changed, 382 insertions, 0 deletions
diff --git a/src/devices/bus/amiga/keyboard/a2000.cpp b/src/devices/bus/amiga/keyboard/a2000.cpp
new file mode 100644
index 00000000000..5682d5aafd1
--- /dev/null
+++ b/src/devices/bus/amiga/keyboard/a2000.cpp
@@ -0,0 +1,382 @@
+// license:BSD-3-Clause
+// copyright-holders:Vas Crabb
+/***************************************************************************
+
+ Amiga 2000 Keyboard
+
+ Manufactured by Cherry
+
+ Very simple electronics:
+ * Philips crystal labelled 6000.000
+ * U1 Philips MAB 8039HL 11P (microcontroller)
+ * U2 RCA CD74HCT373E (latches low address bits from data bus)
+ * U3 Fairchild 74LS373 PC (buffers keyboard inputs on data bus)
+ * U4 2k*8 EPROM with label 467
+
+ Six-position single inline header to host:
+ * Pin 1 goes to U1 /INT and P26 (space for pull-up unpopulated)
+ * Pin 2 goes to U1 T1 and P27 (space for pull-up unpopulated)
+ * Pin 3 connected to ground/Vss
+ * Pin 4 absent (key)
+ * Pin 5 connected to Vdd/Vcc positive supply rail
+ * Pin 6 connected to ground/Vss
+
+ The program is supposed to support running from internal ROM (on an
+ 8049) or from external ROM as is the case for with the example we
+ have. To run from external ROM, EA and T0 are tied high (J6
+ populated); to run from internal ROM, EA and T0 are tied low (J7
+ populated). The program reads keys using movx a,@r0 when running
+ from external ROM, or ins a,bus when running from internal ROM.
+
+***************************************************************************/
+
+#include "emu.h"
+#include "a2000.h"
+
+#include "cpu/mcs48/mcs48.h"
+
+#define LOG_GENERAL (1U << 0)
+#define LOG_COMM (1U << 1)
+#define LOG_SCAN (1U << 2)
+
+//#define VERBOSE (LOG_GENERAL | LOG_COMM)
+#include "logmacro.h"
+
+#define LOGCOMM(...) LOGMASKED(LOG_COMM, __VA_ARGS__)
+#define LOGSCAN(...) LOGMASKED(LOG_SCAN, __VA_ARGS__)
+
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE_NS(A2000_KBD_US, bus::amiga::keyboard, a2000_kbd_us_device, "a2000kbd_us", "Amiga 2000 Keyboard (U.S./Canada)")
+DEFINE_DEVICE_TYPE_NS(A2000_KBD_GB, bus::amiga::keyboard, a2000_kbd_gb_device, "a2000kbd_gb", "Amiga 2000 Keyboard (UK)")
+
+
+
+namespace bus { namespace amiga { namespace keyboard {
+
+namespace {
+
+INPUT_PORTS_START(a2000_common_keyboard)
+ PORT_START("ROW0")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6))
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10))
+
+ PORT_START("ROW1")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
+
+ PORT_START("ROW2")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("ROW3")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
+
+ PORT_START("ROW4")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_SHIFT_2) PORT_NAME("Right Alt")
+
+ PORT_START("ROW5")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK))
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD))
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD))
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD))
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD))
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD))
+
+ PORT_START("ROW6")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD))
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD))
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD))
+
+ PORT_START("ROW7")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) PORT_NAME("Left Alt")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~')
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_NAME("Left Shift")
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) PORT_NAME("Ctrl")
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LWIN) PORT_CHAR(UCHAR_MAMEKEY(LWIN)) PORT_NAME("Left Amiga")
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR(9)
+
+ PORT_START("ROW8")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RWIN) PORT_CHAR(UCHAR_MAMEKEY(RWIN)) PORT_NAME("Right Amiga")
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_MAMEKEY(RSHIFT)) PORT_NAME("Right Shift")
+
+ PORT_START("ROW9")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7))
+
+ PORT_START("ROW10")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9))
+
+ PORT_START("ROW11")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8))
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_UNUSED)
+
+ PORT_START("ROW12")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_NAME("Help")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL))
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD))
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD))
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+INPUT_PORTS_END
+
+INPUT_PORTS_START(a2000_us_keyboard)
+ PORT_INCLUDE(a2000_common_keyboard)
+
+ PORT_MODIFY("ROW0")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') PORT_CHAR(0x00bb) // »
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^') PORT_CHAR(0x00bd) // ½
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_CHAR(0x00ad) PORT_CHAR(0x00af) // soft hyphen ¯
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_CHAR(0x02c6) // ˆ
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_CHAR(0x00b6) // ¶
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') PORT_CHAR(0x00a4) PORT_CHAR(0x00a5) // ¤ ¥
+
+ PORT_MODIFY("ROW1")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_CHAR(0x00bc) // ¼
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_CHAR(0x00ba) // º
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_CHAR(0x02cb) // ˋ
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_CHAR(0x00fe) PORT_CHAR(0x00de) // þ Þ
+
+ PORT_MODIFY("ROW2")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') PORT_CHAR(0x00b2) // ²
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_CHAR(0x00d7) PORT_CHAR(0x00f7) // × ÷
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_CHAR(0x00df) PORT_CHAR(0x00a7) // ß §
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_CHAR(0x00b0) // °
+
+ PORT_MODIFY("ROW3")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_CHAR(0x00b9) // ¹
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_CHAR(0x00b1) PORT_CHAR(0x00ac) // ± ¬
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_CHAR(0x00e6) PORT_CHAR(0x00c6) // æ Æ
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_CHAR(0x00e5) PORT_CHAR(0x00c5) // å Å
+
+ PORT_MODIFY("ROW4")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_CHAR(0x00b3) // ³
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_CHAR(0x00e7) PORT_CHAR(0x00c7) // ç Ç
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_CHAR(0x00f0) PORT_CHAR(0x00d0) // ð Ð
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_CHAR(0x00a9) // ©
+
+ PORT_MODIFY("ROW6")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK)) PORT_NAME("Keypad (")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SCRLOCK) PORT_CHAR(UCHAR_MAMEKEY(SCRLOCK)) PORT_NAME("Keypad )")
+
+ PORT_MODIFY("ROW8")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_CHAR(0x00a2) // ¢
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_CHAR(0x00aa) // ª
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_CHAR(0x00b4) // ´
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_CHAR(0x00ae) // ®
+
+ PORT_MODIFY("ROW9")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') PORT_CHAR(0x00b7) // ·
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_CHAR(0x00a8) // ¨
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_CHAR(0x00a1) PORT_CHAR(0x00a6) // ¡ ¦
+
+ PORT_MODIFY("ROW10")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') PORT_CHAR(0x00ab) // «
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_CHAR(0x00a3) // £
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_CHAR(0x00f8) PORT_CHAR(0x00d8) // ø Ø
+
+ PORT_MODIFY("ROW11")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') PORT_CHAR(0x00be) // ¾
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_CHAR(0x00b8) PORT_CHAR(0x00bf) // ¸ ¿
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_CHAR(0x02dc) // ˜
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') PORT_CHAR(0x00b5) // µ
+INPUT_PORTS_END
+
+INPUT_PORTS_START(a2000_gb_keyboard)
+ PORT_INCLUDE(a2000_us_keyboard)
+
+ PORT_MODIFY("ROW2")
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"') PORT_CHAR(0x00b2) // ²
+
+ PORT_MODIFY("ROW4")
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR(0x00a3) PORT_CHAR(0x00b3) // £ ³
+
+ PORT_MODIFY("ROW10")
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('#') PORT_CHAR('@') PORT_CHAR('\'') PORT_CHAR('"')
+INPUT_PORTS_END
+
+
+ROM_START(a2000kbd)
+ ROM_REGION(0x0800, "mcu", 0)
+ ROM_LOAD("467.u4", 0x0000, 0x0800, CRC(fb92a773) SHA1(e787dc05de227f30a47ac5b9ee7a355c2e9e693b))
+ROM_END
+
+} // anonymous namespace
+
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+// ======================> a2000_kbd_device
+
+a2000_kbd_device::a2000_kbd_device(machine_config const &mconfig, device_type type, char const *tag, device_t *owner, uint32_t clock)
+ : device_t(mconfig, type, tag, owner, clock)
+ , device_amiga_keyboard_interface(mconfig, *this)
+ , m_rows(*this, "ROW%u", 0U)
+ , m_mcu(*this, "u1")
+ , m_row_drive(0U)
+ , m_host_kdat(true)
+ , m_mcu_kdat(true)
+ , m_mcu_kclk(true)
+{
+}
+
+WRITE_LINE_MEMBER(a2000_kbd_device::kdat_w)
+{
+ if (bool(state) != m_host_kdat)
+ {
+ LOGCOMM("host DATA %u -> %u\n", m_host_kdat ? 1 : 0, state ? 1 : 0);
+ m_host_kdat = bool(state);
+ if (m_mcu_kdat)
+ m_mcu->set_input_line(MCS48_INPUT_IRQ, state ? CLEAR_LINE : ASSERT_LINE);
+ }
+}
+
+READ8_MEMBER(a2000_kbd_device::mcu_bus_r)
+{
+ uint8_t result(0U);
+ for (unsigned i = 0U; m_rows.size() > i; ++i)
+ {
+ if (BIT(m_row_drive, i))
+ result |= uint8_t(m_rows[i]->read());
+ }
+ LOGSCAN("read bus: offset = %02X, row drive = %04X\n, result = %02X", offset, m_row_drive, result);
+ return result;
+}
+
+WRITE8_MEMBER(a2000_kbd_device::mcu_p1_w)
+{
+ m_row_drive = (m_row_drive & 0x1f00U) | uint16_t(data);
+}
+
+WRITE8_MEMBER(a2000_kbd_device::mcu_p2_w)
+{
+ m_row_drive = (m_row_drive & 0x00ffU) | (uint16_t(data & 0x1fU) << 8);
+
+ machine().output().set_value("led_kbd_caps", BIT(~data, 5));
+
+ if (bool(BIT(data, 6) != m_mcu_kdat))
+ {
+ m_mcu_kdat = BIT(data, 6);
+ LOGCOMM("keyboard DATA %u -> %u\n", m_mcu_kdat ? 0U : 1U, m_mcu_kdat ? 1U : 0U);
+ m_host->kdat_w(m_mcu_kdat ? 1 : 0);
+ if (m_host_kdat)
+ m_mcu->set_input_line(MCS48_INPUT_IRQ, m_mcu_kdat ? CLEAR_LINE : ASSERT_LINE);
+ }
+
+ if (bool(BIT(data, 7) != m_mcu_kclk))
+ {
+ m_mcu_kclk = BIT(data, 7);
+ LOGCOMM("keyboard CLOCK %u -> %u\n", m_mcu_kclk ? 0U : 1U, m_mcu_kclk ? 1U : 0U);
+ m_host->kclk_w(m_mcu_kclk ? 1 : 0);
+ }
+}
+
+tiny_rom_entry const *a2000_kbd_device::device_rom_region() const
+{
+ return ROM_NAME(a2000kbd);
+}
+
+void a2000_kbd_device::device_add_mconfig(machine_config &config)
+{
+ auto &mcu(I8039(config, "u1", 6_MHz_XTAL));
+ mcu.set_addrmap(AS_PROGRAM, &a2000_kbd_device::program_map);
+ mcu.set_addrmap(AS_IO, &a2000_kbd_device::ext_map);
+ mcu.p1_out_cb().set(FUNC(a2000_kbd_device::mcu_p1_w));
+ mcu.p2_out_cb().set(FUNC(a2000_kbd_device::mcu_p2_w));
+ mcu.bus_in_cb().set(FUNC(a2000_kbd_device::mcu_bus_r));
+ mcu.t0_in_cb().set_constant(1);
+ mcu.t1_in_cb().set([this] () { return m_mcu_kclk ? 1 : 0; });
+}
+
+void a2000_kbd_device::device_start()
+{
+ save_item(NAME(m_row_drive));
+ save_item(NAME(m_host_kdat));
+ save_item(NAME(m_mcu_kdat));
+ save_item(NAME(m_mcu_kclk));
+
+ m_row_drive = 0U;
+ m_host_kdat = true;
+ m_mcu_kdat = true;
+ m_mcu_kclk = true;
+}
+
+void a2000_kbd_device::device_reset()
+{
+}
+
+void a2000_kbd_device::program_map(address_map &map)
+{
+ map.global_mask(0x07ff);
+ map(0x0000, 0x07ff).rom().region("mcu", 0);
+}
+
+void a2000_kbd_device::ext_map(address_map &map)
+{
+ map.global_mask(0x00ff);
+ map(0x0000, 0x00ff).r(FUNC(a2000_kbd_device::mcu_bus_r));
+}
+
+
+// ======================> a2000_kbd_us_device
+
+a2000_kbd_us_device::a2000_kbd_us_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock)
+ : a2000_kbd_device(mconfig, A2000_KBD_US, tag, owner, clock)
+{
+}
+
+ioport_constructor a2000_kbd_us_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME(a2000_us_keyboard);
+}
+
+
+// ======================> a2000_kbd_gb_device
+
+a2000_kbd_gb_device::a2000_kbd_gb_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock)
+ : a2000_kbd_device(mconfig, A2000_KBD_GB, tag, owner, clock)
+{
+}
+
+ioport_constructor a2000_kbd_gb_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME(a2000_gb_keyboard);
+}
+
+} } } // namespace bus::amiga::keyboard