/********************************************************************** Luxor ABC-55/77 keyboard emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. *********************************************************************/ /* 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; const device_type ABC55 = &device_creator; //------------------------------------------------- // device_config_complete - perform any // operations now that the configuration is // complete //------------------------------------------------- void abc77_device::device_config_complete() { // inherit a copy of the static data const abc77_interface *intf = reinterpret_cast(static_config()); if (intf != NULL) *static_cast(this) = *intf; // or initialize to defaults if none provided else { memset(&m_out_clock_cb, 0, sizeof(m_out_clock_cb)); memset(&m_out_keydown_cb, 0, sizeof(m_out_keydown_cb)); } } //------------------------------------------------- // 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, RES_K(2.7), RES_K(15), 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_SOUND_CONFIG_DISCRETE(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; } } //------------------------------------------------- // serial_clock - //------------------------------------------------- inline void abc77_device::serial_clock() { m_clock = !m_clock; m_out_clock_func(!m_clock); } //------------------------------------------------- // keydown - //------------------------------------------------- inline void abc77_device::key_down(int state) { if (m_keydown != state) { m_out_keydown_func(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__), 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), 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); // resolve callbacks m_out_clock_func.resolve(m_out_clock_cb, *this); m_out_keydown_func.resolve(m_out_keydown_cb, *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); } //------------------------------------------------- // 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; } } //------------------------------------------------- // 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 discrete_sound_w(m_discrete, 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; } //------------------------------------------------- // rxd_w - //------------------------------------------------- WRITE_LINE_MEMBER( abc77_device::rxd_w ) { m_maincpu->set_input_line(MCS48_INPUT_IRQ, state ? CLEAR_LINE : ASSERT_LINE); } //------------------------------------------------- // txd_r - //------------------------------------------------- READ_LINE_MEMBER( abc77_device::txd_r ) { return m_txd; } //------------------------------------------------- // reset_w - //------------------------------------------------- WRITE_LINE_MEMBER( abc77_device::reset_w ) { if (m_reset && !state) { device_reset(); } m_reset = state; }