// 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, 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 - //------------------------------------------------- TIMER_CALLBACK_MEMBER(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, const XTAL &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, const XTAL &clock) : abc77_device(mconfig, ABC55, tag, owner, clock) { } abc77_device::abc77_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &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(FUNC(abc77_device::serial_clock), this); m_serial_timer->adjust(attotime::from_hz(19200), 0, attotime::from_hz(19200)); // ALE/32 m_reset_timer = timer_alloc(FUNC(abc77_device::reset_tick), this); } //------------------------------------------------- // 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); } //------------------------------------------------- // reset_tick - handle delayed reset //------------------------------------------------- TIMER_CALLBACK_MEMBER(abc77_device::reset_tick) { m_maincpu->set_input_line(INPUT_LINE_RESET, CLEAR_LINE); } //------------------------------------------------- // txd_w - //------------------------------------------------- void abc77_device::txd_w(int state) { m_maincpu->set_input_line(MCS48_INPUT_IRQ, state ? CLEAR_LINE : ASSERT_LINE); } //------------------------------------------------- // p1_r - //------------------------------------------------- uint8_t 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 - //------------------------------------------------- void abc77_device::p2_w(uint8_t data) { /* 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 - //------------------------------------------------- void abc77_device::j3_w(uint8_t data) { m_j3 = data; }