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fea0d694b3
mame/src/devices/bus/abckb/abc77.cpp
Ivan Vangelista fea0d694b3 devices\bus: some more MACHINE_CONFIG removal (nw)
2019-02-10 10:00:52 +01:00

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// 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 "emu.h"
#include "abc77.h"
#include "speaker.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define I8035_TAG "z16"
#define DISCRETE_TAG "discrete"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(ABC77, abc77_device, "abc77", "Luxor ABC 77")
DEFINE_DEVICE_TYPE(ABC55, abc55_device, "abc55", "Luxor ABC 55")
//-------------------------------------------------
// 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 tiny_rom_entry *abc77_device::device_rom_region() const
{
return ROM_NAME( abc77 );
}
//-------------------------------------------------
// ADDRESS_MAP( abc77_mem )
//-------------------------------------------------
void abc77_device::abc77_map(address_map &map)
{
map(0x000, 0xfff).rom().region("z16", 0);
}
//-------------------------------------------------
// ADDRESS_MAP( abc77_io )
//-------------------------------------------------
void abc77_device::abc77_io(address_map &map)
{
map(0x00, 0x00).mirror(0xff).w(FUNC(abc77_device::j3_w));
map(0x00, 0x00).mirror(0xff).portr("DSW");
}
//-------------------------------------------------
// 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 )
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
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void abc77_device::device_add_mconfig(machine_config &config)
{
// keyboard cpu
I8035(config, m_maincpu, XTAL(4'608'000));
m_maincpu->set_addrmap(AS_PROGRAM, &abc77_device::abc77_map);
m_maincpu->set_addrmap(AS_IO, &abc77_device::abc77_io);
m_maincpu->p1_in_cb().set(FUNC(abc77_device::p1_r));
m_maincpu->p2_out_cb().set(FUNC(abc77_device::p2_w));
m_maincpu->t1_in_cb().set(FUNC(abc77_device::t1_r));
m_maincpu->prog_out_cb().set(FUNC(abc77_device::prog_w));
// watchdog
WATCHDOG_TIMER(config, m_watchdog).set_time(attotime::from_hz(XTAL(4'608'000)/3/5/4096));
// discrete sound
SPEAKER(config, "mono").front_center();
DISCRETE(config, m_discrete, abc77_discrete).add_route(ALL_OUTPUTS, "mono", 0.80);
}
//-------------------------------------------------
// 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_OTHER ) PORT_NAME("Keyboard Reset") PORT_CHANGED_MEMBER(DEVICE_SELF, abc77_device, keyboard_reset, nullptr)
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, device_type type, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, type, tag, owner, clock),
abc_keyboard_interface(mconfig, *this),
m_maincpu(*this, I8035_TAG),
m_watchdog(*this, "watchdog"),
m_discrete(*this, DISCRETE_TAG),
m_x(*this, "X%u", 0),
m_dsw(*this, "DSW"),
m_txd(1), m_keylatch(0),
m_keydown(1),
m_clock(0), m_hys(0),
m_stb(1), m_j3(0), m_serial_timer(nullptr), m_reset_timer(nullptr)
{
}
abc55_device::abc55_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
abc77_device(mconfig, ABC55, tag, owner, clock) { }
abc77_device::abc77_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
abc77_device(mconfig, ABC77, tag, owner, clock) { }
//-------------------------------------------------
// 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_t data = 0xff;
if (m_stb)
{
if (m_keylatch < 12)
{
data = m_x[m_keylatch]->read();
}
}
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)
{
m_watchdog->watchdog_reset();
}
}
// beep
m_discrete->write(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 -
//-------------------------------------------------
READ_LINE_MEMBER( abc77_device::t1_r )
{
return m_clock;
}
//-------------------------------------------------
// prog_w -
//-------------------------------------------------
WRITE_LINE_MEMBER( abc77_device::prog_w )
{
m_stb = state;
}
//-------------------------------------------------
// j3_w -
//-------------------------------------------------
WRITE8_MEMBER( abc77_device::j3_w )
{
m_j3 = data;
}
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