diff options
author | 2014-03-17 22:06:26 +0000 | |
---|---|---|
committer | 2014-03-17 22:06:26 +0000 | |
commit | 4bba3f6e421184a50d035b33c04e7fef98160809 (patch) | |
tree | ec1ca778b330d7ce4c5a2c310e0eae8502e9e9d5 /src/emu/bus/abckb/abc77.c | |
parent | f3fe1ab6443027aef68590c7391b43dea0580c06 (diff) |
(MESS) Moved the remaining slot interfaces to emu/bus. (nw)
Diffstat (limited to 'src/emu/bus/abckb/abc77.c')
-rw-r--r-- | src/emu/bus/abckb/abc77.c | 659 |
1 files changed, 659 insertions, 0 deletions
diff --git a/src/emu/bus/abckb/abc77.c b/src/emu/bus/abckb/abc77.c new file mode 100644 index 00000000000..8d1ad08d1d9 --- /dev/null +++ b/src/emu/bus/abckb/abc77.c @@ -0,0 +1,659 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + 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<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, 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; + + 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); +} + + +//------------------------------------------------- +// 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 + 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; +} |