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-rw-r--r--src/devices/bus/abckb/abc77.cpp658
1 files changed, 658 insertions, 0 deletions
diff --git a/src/devices/bus/abckb/abc77.cpp b/src/devices/bus/abckb/abc77.cpp
new file mode 100644
index 00000000000..c308cd8cf74
--- /dev/null
+++ b/src/devices/bus/abckb/abc77.cpp
@@ -0,0 +1,658 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Luxor ABC-55/77 keyboard emulation
+
+*********************************************************************/
+
+/*
+
+PCB Layout
+----------
+
+KTC A65-02486-232
+
+|-----------------------------------------------------------------------|
+| SW1 CN1 LS393 |
+| 4020 7406 LS132 7407 LS02 7407 NE556 LS1 |
+| |
+| 22-950-3B XTAL CPU ROM0 ROM1 LS373 LS240 22-908-03 |
+| |
+| |
+| |
+| |
+| |
+| |
+| |
+|-----------------------------------------------------------------------|
+
+Notes:
+ All IC's shown.
+
+ CPU - Signetics SCN8035A 8035 CPU
+ ROM0 - NEC D2716D 2Kx8 ROM "-78"
+ ROM1 - not populated
+ 22-950-3B - Exar Semiconductor XR22-950-3B keyboard matrix row driver with 4 to 12 decoder/demultiplexer
+ 22-908-03 - Exar Semiconductor XR22-908-03 keyboard matrix capacitive readout latch
+ CN1 - 1x12 PCB header
+ LS1 - loudspeaker
+ SW1 - reset switch
+
+*/
+
+#include "abc77.h"
+
+
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+#define I8035_TAG "z16"
+#define DISCRETE_TAG "discrete"
+
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type ABC77 = &device_creator<abc77_device>;
+const device_type ABC55 = &device_creator<abc55_device>;
+
+
+//-------------------------------------------------
+// ROM( abc77 )
+//-------------------------------------------------
+
+ROM_START( abc77 )
+ ROM_REGION( 0x1000, I8035_TAG, 0 )
+ ROM_LOAD( "-78.z10", 0x000, 0x800, CRC(635986ce) SHA1(04a30141ac611d0544bbb786061515040c23480c) )
+// ROM_LOAD( "keyboard.z14", 0x0800, 0x0800, NO_DUMP ) // non-Swedish keyboard encoding ROM
+ROM_END
+
+
+//-------------------------------------------------
+// rom_region - device-specific ROM region
+//-------------------------------------------------
+
+const rom_entry *abc77_device::device_rom_region() const
+{
+ return ROM_NAME( abc77 );
+}
+
+
+//-------------------------------------------------
+// ADDRESS_MAP( abc77_mem )
+//-------------------------------------------------
+
+static ADDRESS_MAP_START( abc77_map, AS_PROGRAM, 8, abc77_device )
+ AM_RANGE(0x000, 0xfff) AM_ROM AM_REGION("z16", 0)
+ADDRESS_MAP_END
+
+
+//-------------------------------------------------
+// ADDRESS_MAP( abc77_io )
+//-------------------------------------------------
+
+static ADDRESS_MAP_START( abc77_io, AS_IO, 8, abc77_device )
+ AM_RANGE(0x00, 0x00) AM_MIRROR(0xff) AM_WRITE(j3_w)
+ AM_RANGE(0x00, 0x00) AM_MIRROR(0xff) AM_READ_PORT("DSW")
+ AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_READ(p1_r)
+ AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_WRITE(p2_w)
+ AM_RANGE(MCS48_PORT_T1, MCS48_PORT_T1) AM_READ(t1_r)
+ AM_RANGE(MCS48_PORT_PROG, MCS48_PORT_PROG) AM_WRITE(prog_w)
+ADDRESS_MAP_END
+
+
+//-------------------------------------------------
+// DISCRETE_SOUND( abc77 )
+//-------------------------------------------------
+
+static const discrete_555_desc abc77_ne556_a =
+{
+ DISC_555_OUT_SQW | DISC_555_OUT_DC,
+ 5, // B+ voltage of 555
+ DEFAULT_555_VALUES
+};
+
+
+static DISCRETE_SOUND_START( abc77 )
+ DISCRETE_INPUT_LOGIC(NODE_01)
+ DISCRETE_555_ASTABLE(NODE_02, NODE_01, (int) RES_K(2.7), (int) RES_K(15), (int) CAP_N(22), &abc77_ne556_a)
+ DISCRETE_OUTPUT(NODE_02, 5000)
+DISCRETE_SOUND_END
+
+
+//-------------------------------------------------
+// MACHINE_DRIVER( abc77 )
+//-------------------------------------------------
+
+static MACHINE_CONFIG_FRAGMENT( abc77 )
+ // keyboard cpu
+ MCFG_CPU_ADD(I8035_TAG, I8035, XTAL_4_608MHz)
+ MCFG_CPU_PROGRAM_MAP(abc77_map)
+ MCFG_CPU_IO_MAP(abc77_io)
+
+ // watchdog
+ MCFG_WATCHDOG_TIME_INIT(attotime::from_hz(XTAL_4_608MHz/3/5/4096))
+
+ // discrete sound
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD(DISCRETE_TAG, DISCRETE, 0)
+ MCFG_DISCRETE_INTF(abc77)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80)
+MACHINE_CONFIG_END
+
+
+//-------------------------------------------------
+// machine_config_additions - device-specific
+// machine configurations
+//-------------------------------------------------
+
+machine_config_constructor abc77_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( abc77 );
+}
+
+
+//-------------------------------------------------
+// INPUT_CHANGED_MEMBER( keyboard_reset )
+//-------------------------------------------------
+
+INPUT_CHANGED_MEMBER( abc77_device::keyboard_reset )
+{
+ if (oldval && !newval)
+ {
+ device_reset();
+ }
+}
+
+
+//-------------------------------------------------
+// INPUT_PORTS( abc55 )
+//-------------------------------------------------
+
+INPUT_PORTS_START( abc55 )
+ PORT_START("X0")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CAPS LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RIGHT SHIFT") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LEFT SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
+
+ PORT_START("X1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("X2")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('<') PORT_CHAR('>')
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r')
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xE2\x86\x90") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xE2\x86\x92") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+
+ PORT_START("X3")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR(0x00E9) PORT_CHAR(0x00C9)
+ 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_OPENBRACE) PORT_CHAR(0x00E5) PORT_CHAR(0x00C5)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(0x00FC) PORT_CHAR(0x00DC)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(0x00E4) PORT_CHAR(0x00C4)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\'') PORT_CHAR('*')
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
+
+ PORT_START("X4")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('=')
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
+ 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_L) PORT_CHAR('l') PORT_CHAR('L')
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(0x00F6) PORT_CHAR(0x00D6)
+ 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_SLASH) PORT_CHAR('-') PORT_CHAR('_')
+
+ PORT_START("X5")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('/')
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
+ 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_K) PORT_CHAR('k') PORT_CHAR('K')
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR(';')
+
+ PORT_START("X6")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
+ 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_H) PORT_CHAR('h') PORT_CHAR('H')
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
+
+ PORT_START("X7")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("4 \xC2\xA4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR(0x00A4)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
+ 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_F) PORT_CHAR('f') PORT_CHAR('F')
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
+
+ PORT_START("X8")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
+ 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_S) PORT_CHAR('s') PORT_CHAR('S')
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
+
+ PORT_START("X9")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("X10")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("X11")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PF1") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PF2") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PF3") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PF4") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PF5") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PF6") PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6))
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PF7") PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7))
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PF8") PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8))
+
+ PORT_START("DSW")
+ PORT_DIPNAME( 0x01, 0x01, "Keyboard Program" )
+ PORT_DIPSETTING( 0x00, "Internal (8048)" )
+ PORT_DIPSETTING( 0x01, "External PROM" ) // @ Z10
+ PORT_DIPNAME( 0x02, 0x02, "Character Set" )
+ PORT_DIPSETTING( 0x02, "Swedish" )
+ PORT_DIPSETTING( 0x00, "US ASCII" )
+ PORT_DIPNAME( 0x04, 0x04, "External Encoding PROM" ) // @ Z14
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x18, 0x18, "Keyboard Language" ) PORT_CONDITION("DSW", 0x04, EQUALS, 0x00)
+ PORT_DIPSETTING( 0x00, "Danish" )
+ PORT_DIPSETTING( 0x10, DEF_STR( French ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( German ) )
+ PORT_DIPSETTING( 0x18, DEF_STR( Spanish ) )
+ PORT_BIT( 0xe0, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("SW1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_SPECIAL ) PORT_NAME("Keyboard Reset") PORT_CHANGED_MEMBER(DEVICE_SELF, abc77_device, keyboard_reset, 0)
+INPUT_PORTS_END
+
+
+//-------------------------------------------------
+// input_ports - device-specific input ports
+//-------------------------------------------------
+
+ioport_constructor abc55_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME( abc55 );
+}
+
+
+//-------------------------------------------------
+// INPUT_PORTS( abc77 )
+//-------------------------------------------------
+
+INPUT_PORTS_START( abc77 )
+ PORT_INCLUDE( abc55 )
+
+ PORT_MODIFY("X9")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 9") PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad +") PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD))
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 6") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD))
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad -") PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD))
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 3") PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad RETURN") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD))
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad .") PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD))
+
+ PORT_MODIFY("X10")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 7") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 8") PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 4") PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD))
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 5") PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD))
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 1") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD))
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 2") PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD))
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 0") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD))
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
+INPUT_PORTS_END
+
+
+//-------------------------------------------------
+// input_ports - device-specific input ports
+//-------------------------------------------------
+
+ioport_constructor abc77_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME( abc77 );
+}
+
+
+
+//**************************************************************************
+// INLINE HELPERS
+//**************************************************************************
+
+//-------------------------------------------------
+// serial_output -
+//-------------------------------------------------
+
+inline void abc77_device::serial_output(int state)
+{
+ if (m_txd != state)
+ {
+ m_txd = state;
+
+ m_slot->write_rx(m_txd);
+ }
+}
+
+
+//-------------------------------------------------
+// serial_clock -
+//-------------------------------------------------
+
+inline void abc77_device::serial_clock()
+{
+ m_clock = !m_clock;
+
+ m_slot->trxc_w(!m_clock);
+}
+
+
+//-------------------------------------------------
+// keydown -
+//-------------------------------------------------
+
+inline void abc77_device::key_down(int state)
+{
+ if (m_keydown != state)
+ {
+ m_slot->keydown_w(state);
+ m_keydown = state;
+ }
+}
+
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// abc77_device - constructor
+//-------------------------------------------------
+
+abc77_device::abc77_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, ABC77, "Luxor ABC 77", tag, owner, clock, "abc77", __FILE__),
+ abc_keyboard_interface(mconfig, *this),
+ m_maincpu(*this, I8035_TAG),
+ m_discrete(*this, DISCRETE_TAG),
+ m_x0(*this, "X0"),
+ m_x1(*this, "X1"),
+ m_x2(*this, "X2"),
+ m_x3(*this, "X3"),
+ m_x4(*this, "X4"),
+ m_x5(*this, "X5"),
+ m_x6(*this, "X6"),
+ m_x7(*this, "X7"),
+ m_x8(*this, "X8"),
+ m_x9(*this, "X9"),
+ m_x10(*this, "X10"),
+ m_x11(*this, "X11"),
+ m_dsw(*this, "DSW"),
+ m_txd(1),
+ m_keydown(1),
+ m_clock(0),
+ m_stb(1)
+{
+}
+
+abc77_device::abc77_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) :
+ device_t(mconfig, type, name, tag, owner, clock, shortname, source),
+ abc_keyboard_interface(mconfig, *this),
+ m_maincpu(*this, I8035_TAG),
+ m_discrete(*this, DISCRETE_TAG),
+ m_x0(*this, "X0"),
+ m_x1(*this, "X1"),
+ m_x2(*this, "X2"),
+ m_x3(*this, "X3"),
+ m_x4(*this, "X4"),
+ m_x5(*this, "X5"),
+ m_x6(*this, "X6"),
+ m_x7(*this, "X7"),
+ m_x8(*this, "X8"),
+ m_x9(*this, "X9"),
+ m_x10(*this, "X10"),
+ m_x11(*this, "X11"),
+ m_dsw(*this, "DSW"),
+ m_txd(1),
+ m_keydown(1),
+ m_clock(0),
+ m_stb(1)
+{
+}
+
+abc55_device::abc55_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ abc77_device(mconfig, ABC55, "Luxor ABC 55", tag, owner, clock, "abc55", __FILE__) { }
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void abc77_device::device_start()
+{
+ // allocate timers
+ m_serial_timer = timer_alloc(TIMER_SERIAL);
+ m_serial_timer->adjust(attotime::from_hz(19200), 0, attotime::from_hz(19200)); // ALE/32
+
+ m_reset_timer = timer_alloc(TIMER_RESET);
+}
+
+
+//-------------------------------------------------
+// device_reset - device-specific reset
+//-------------------------------------------------
+
+void abc77_device::device_reset()
+{
+ int t = 1.1 * RES_K(100) * CAP_N(100) * 1000; // t = 1.1 * R1 * C1
+ int ea = BIT(m_dsw->read(), 7);
+
+ // trigger reset
+ m_maincpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE);
+ m_reset_timer->adjust(attotime::from_msec(t));
+
+ m_maincpu->set_input_line(MCS48_INPUT_EA, ea ? CLEAR_LINE : ASSERT_LINE);
+
+ m_slot->write_rx(1);
+}
+
+
+//-------------------------------------------------
+// device_timer - handler timer events
+//-------------------------------------------------
+
+void abc77_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
+{
+ switch (id)
+ {
+ case TIMER_SERIAL:
+ serial_clock();
+ break;
+
+ case TIMER_RESET:
+ m_maincpu->set_input_line(INPUT_LINE_RESET, CLEAR_LINE);
+ break;
+ }
+}
+
+
+//-------------------------------------------------
+// txd_w -
+//-------------------------------------------------
+
+void abc77_device::txd_w(int state)
+{
+ m_maincpu->set_input_line(MCS48_INPUT_IRQ, state ? CLEAR_LINE : ASSERT_LINE);
+}
+
+
+//-------------------------------------------------
+// p1_r -
+//-------------------------------------------------
+
+READ8_MEMBER( abc77_device::p1_r )
+{
+ /*
+
+ bit description
+
+ P10 Z17 Y0
+ P11 Z17 Y1
+ P12 Z17 Y2
+ P13 Z17 Y3
+ P14 Z17 Y4
+ P15 Z17 Y5
+ P16 Z17 Y6
+ P17 Z17 Y7
+
+ */
+
+ UINT8 data = 0xff;
+
+ if (m_stb)
+ {
+ switch (m_keylatch)
+ {
+ case 0: data = m_x0->read(); break;
+ case 1: data = m_x1->read(); break;
+ case 2: data = m_x2->read(); break;
+ case 3: data = m_x3->read(); break;
+ case 4: data = m_x4->read(); break;
+ case 5: data = m_x5->read(); break;
+ case 6: data = m_x6->read(); break;
+ case 7: data = m_x7->read(); break;
+ case 8: data = m_x8->read(); break;
+ case 9: data = m_x9->read(); break;
+ case 10: data = m_x10->read(); break;
+ case 11: data = m_x11->read(); break;
+ }
+ }
+
+ return data;
+}
+
+
+//-------------------------------------------------
+// p2_w -
+//-------------------------------------------------
+
+WRITE8_MEMBER( abc77_device::p2_w )
+{
+ /*
+
+ bit description
+
+ P20 Z2 A0
+ P21 Z2 A1
+ P22 Z2 A2
+ P23 Z2 A3
+ P24 NE556 2,6
+ P25 TxD
+ P26 _KEYDOWN
+ P27 Z17 HYS
+
+ */
+
+ if (!m_stb)
+ {
+ m_keylatch = data & 0x0f;
+
+ if (m_keylatch == 1)
+ {
+ machine().watchdog_reset();
+ }
+ }
+
+ // beep
+ m_discrete->write(space, NODE_01, BIT(data, 4));
+
+ // transmit data
+ serial_output(BIT(data, 5));
+
+ // key down
+ key_down(BIT(data, 6));
+
+ // hysteresis
+ m_hys = BIT(data, 7);
+}
+
+
+//-------------------------------------------------
+// t1_r -
+//-------------------------------------------------
+
+READ8_MEMBER( abc77_device::t1_r )
+{
+ return m_clock;
+}
+
+
+//-------------------------------------------------
+// prog_w -
+//-------------------------------------------------
+
+WRITE8_MEMBER( abc77_device::prog_w )
+{
+ m_stb = BIT(data, 0);
+}
+
+
+//-------------------------------------------------
+// j3_w -
+//-------------------------------------------------
+
+WRITE8_MEMBER( abc77_device::j3_w )
+{
+ m_j3 = data;
+}