diff options
Diffstat (limited to 'src/mess/machine/abc99.c')
-rw-r--r-- | src/mess/machine/abc99.c | 858 |
1 files changed, 858 insertions, 0 deletions
diff --git a/src/mess/machine/abc99.c b/src/mess/machine/abc99.c new file mode 100644 index 00000000000..e9eae6c1675 --- /dev/null +++ b/src/mess/machine/abc99.c @@ -0,0 +1,858 @@ +/********************************************************************** + + Luxor ABC-99 keyboard and mouse emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +*********************************************************************/ + +/* + +Keyboard PCB Layout +------------------- + +|-----------------------------------------------------------------------| +| CN1 CN2 CPU1 ROM1 SW1 | +| | +| 6MHz CPU0 ROM0 GI | +| | +| | +| | +| | +| | +| | +| | +| | +|-----------------------------------------------------------------------| + +Notes: + Relevant IC's shown. + + CPU0 - STMicro ET8035N-6 8035 CPU + CPU1 - STMicro ET8035N-6 8035 CPU + ROM0 - Texas Instruments TMS2516JL-16 2Kx8 ROM "107268-16" + ROM1 - STMicro ET2716Q-1 2Kx8 ROM "107268-17" + GI - General Instruments 321239007 keyboard chip "4=7" + CN1 - DB15 connector, Luxor ABC R8 (3 button mouse) + CN2 - 12 pin PCB header, keyboard data cable + SW1 - reset switch? + +*/ + +/* + + TODO: + + - verify cursor keys + - language DIP + - mouse + - investigate unknown ROMs + - MCS-48 PC:01DC - Unimplemented opcode = 75 + - 75 = ENT0 CLK : enable CLK (unscaled_clock/3) output on T0 + - halt Z2 when Z5 is reset, resume Z2 when Z5 executes ENT0 CLK instruction + +*/ + +#include "abc99.h" + + + +//************************************************************************** +// MACROS / CONSTANTS +//************************************************************************** + +#define I8035_Z2_TAG "z2" +#define I8035_Z5_TAG "z5" + + +enum +{ + LED_1 = 0, + LED_2, + LED_3, + LED_4, + LED_5, + LED_6, + LED_7, + LED_8, + LED_INS, + LED_ALT, + LED_CAPS_LOCK +}; + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type ABC99 = &device_creator<abc99_device>; + + +//------------------------------------------------- +// device_config_complete - perform any +// operations now that the configuration is +// complete +//------------------------------------------------- + +void abc99_device::device_config_complete() +{ + // inherit a copy of the static data + const abc99_interface *intf = reinterpret_cast<const abc99_interface *>(static_config()); + if (intf != NULL) + *static_cast<abc99_interface *>(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)); + } + + m_shortname = "abc99"; +} + + +//------------------------------------------------- +// ROM( abc99 ) +//------------------------------------------------- + +ROM_START( abc99 ) + ROM_REGION( 0x800, I8035_Z2_TAG, 0 ) + ROM_LOAD( "107268-17.z3", 0x000, 0x800, CRC(2f60cc35) SHA1(ebc6af9cd0a49a0d01698589370e628eebb6221c) ) + + ROM_REGION( 0x800, I8035_Z5_TAG, 0 ) + ROM_LOAD( "107268-16.z6", 0x000, 0x800, CRC(785ec0c6) SHA1(0b261beae20dbc06fdfccc50b19ea48b5b6e22eb) ) + + ROM_REGION( 0x1800, "unknown", 0) + ROM_LOAD( "106819-09.bin", 0x0000, 0x1000, CRC(ffe32a71) SHA1(fa2ce8e0216a433f9bbad0bdd6e3dc0b540f03b7) ) + ROM_LOAD( "107268-64.bin", 0x1000, 0x0800, CRC(e33683ae) SHA1(0c1d9e320f82df05f4804992ef6f6f6cd20623f3) ) +ROM_END + + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *abc99_device::device_rom_region() const +{ + return ROM_NAME( abc99 ); +} + + +//------------------------------------------------- +// ADDRESS_MAP( abc99_z2_mem ) +//------------------------------------------------- + +static ADDRESS_MAP_START( abc99_z2_mem, AS_PROGRAM, 8, abc99_device ) + AM_RANGE(0x0000, 0x07ff) AM_ROM AM_REGION(I8035_Z2_TAG, 0) +ADDRESS_MAP_END + + +//------------------------------------------------- +// ADDRESS_MAP( abc99_z2_io ) +//------------------------------------------------- + +static ADDRESS_MAP_START( abc99_z2_io, AS_IO, 8, abc99_device ) + AM_RANGE(0x21, 0x21) AM_WRITE(z2_led_w) + AM_RANGE(0x30, 0x30) AM_READ_PORT("X0") AM_WRITENOP + AM_RANGE(0x31, 0x31) AM_READ_PORT("X1") AM_WRITENOP + AM_RANGE(0x32, 0x32) AM_READ_PORT("X2") AM_WRITENOP + AM_RANGE(0x33, 0x33) AM_READ_PORT("X3") AM_WRITENOP + AM_RANGE(0x34, 0x34) AM_READ_PORT("X4") AM_WRITENOP + AM_RANGE(0x35, 0x35) AM_READ_PORT("X5") AM_WRITENOP + AM_RANGE(0x36, 0x36) AM_READ_PORT("X6") AM_WRITENOP + AM_RANGE(0x37, 0x37) AM_READ_PORT("X7") AM_WRITENOP + AM_RANGE(0x38, 0x38) AM_READ_PORT("X8") AM_WRITENOP + AM_RANGE(0x39, 0x39) AM_READ_PORT("X9") AM_WRITENOP + AM_RANGE(0x3a, 0x3a) AM_READ_PORT("X10") AM_WRITENOP + AM_RANGE(0x3b, 0x3b) AM_READ_PORT("X11") AM_WRITENOP + AM_RANGE(0x3c, 0x3c) AM_READ_PORT("X12") AM_WRITENOP + AM_RANGE(0x3d, 0x3d) AM_READ_PORT("X13") AM_WRITENOP + AM_RANGE(0x3e, 0x3e) AM_READ_PORT("X14") AM_WRITENOP + AM_RANGE(0x3f, 0x3f) AM_READ_PORT("X15") AM_WRITENOP + AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_WRITE(z2_p1_w) + AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_READ(z2_p2_r) + AM_RANGE(MCS48_PORT_T0, MCS48_PORT_T0) AM_READ(z2_t0_r) + AM_RANGE(MCS48_PORT_T1, MCS48_PORT_T1) AM_READ(z2_t1_r) +ADDRESS_MAP_END + + +//------------------------------------------------- +// ADDRESS_MAP( abc99_z5_mem ) +//------------------------------------------------- + +static ADDRESS_MAP_START( abc99_z5_mem, AS_PROGRAM, 8, abc99_device ) + AM_RANGE(0x0000, 0x07ff) AM_ROM AM_REGION(I8035_Z5_TAG, 0) +ADDRESS_MAP_END + + +//------------------------------------------------- +// ADDRESS_MAP( abc99_z5_io ) +//------------------------------------------------- + +static ADDRESS_MAP_START( abc99_z5_io, AS_IO, 8, abc99_device ) + AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_READ(z5_p1_r) + AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_WRITE(z5_p2_w) + AM_RANGE(MCS48_PORT_T0, MCS48_PORT_T0) AM_WRITE(z5_t0_w) + AM_RANGE(MCS48_PORT_T1, MCS48_PORT_T1) AM_READ(z5_t1_r) +ADDRESS_MAP_END + + +//------------------------------------------------- +// MACHINE_DRIVER( abc99 ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( abc99 ) + // keyboard CPU + MCFG_CPU_ADD(I8035_Z2_TAG, I8035, XTAL_6MHz/3) // from Z5 T0 output + MCFG_CPU_PROGRAM_MAP(abc99_z2_mem) + MCFG_CPU_IO_MAP(abc99_z2_io) + + // mouse CPU + MCFG_CPU_ADD(I8035_Z5_TAG, I8035, XTAL_6MHz) + MCFG_CPU_PROGRAM_MAP(abc99_z5_mem) + MCFG_CPU_IO_MAP(abc99_z5_io) + + // sound hardware + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD(SPEAKER_TAG, SPEAKER_SOUND, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) +MACHINE_CONFIG_END + + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor abc99_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( abc99 ); +} + + +//------------------------------------------------- +// INPUT_CHANGED_MEMBER( keyboard_reset ) +//------------------------------------------------- + +INPUT_CHANGED_MEMBER( abc99_device::keyboard_reset ) +{ + device_set_input_line(m_mousecpu, INPUT_LINE_RESET, newval ? CLEAR_LINE : ASSERT_LINE); +} + + +//------------------------------------------------- +// INPUT_PORTS( abc99 ) +//------------------------------------------------- + +INPUT_PORTS_START( abc99 ) + PORT_START("X0") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF13") PORT_CODE(KEYCODE_PRTSCR) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(UTF8_RIGHT"|") PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r') + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LF") PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL)) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('<') PORT_CHAR('>') + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) + + PORT_START("X1") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("ALT") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Keypad CE") PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Keypad RETURN") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) + + PORT_START("X2") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PRINT") PORT_CODE(KEYCODE_PGUP) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Keypad 9") PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Keypad 6") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Keypad 3") PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Keypad .") PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Left SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) + + PORT_START("X3") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("HELP") PORT_CODE(KEYCODE_HOME) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Keypad 7") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Keypad 4") PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Keypad 1") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Keypad 0") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) + + PORT_START("X4") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF15") PORT_CODE(KEYCODE_PAUSE) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("DEL") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) // cursor B + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) // cursor D + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) + + PORT_START("X5") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF12") PORT_CODE(KEYCODE_F12) PORT_CHAR(UCHAR_MAMEKEY(F12)) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("BS") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(0x00FC) PORT_CHAR(0x00DC) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\'') PORT_CHAR('*') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Right SHIFT") PORT_CODE(KEYCODE_RSHIFT) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') + + PORT_START("X6") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF14") PORT_CODE(KEYCODE_SCRLOCK) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("INS") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) // cursor A + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(UTF8_DOWN) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) // cursor C + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("CAPS LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) + + PORT_START("X7") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF11") PORT_CODE(KEYCODE_F11) PORT_CHAR(UCHAR_MAMEKEY(F11)) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR(0x00E9) PORT_CHAR(0x00C9) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR(0x00E5) PORT_CHAR(0x00C5) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(0x00E4) PORT_CHAR(0x00C4) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('-') PORT_CHAR('_') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') + + PORT_START("X8") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("STOP") PORT_CODE(KEYCODE_END) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Keypad 8") PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Keypad 5") PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Keypad 2") PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("|"UTF8_LEFT) PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(RALT)) + + PORT_START("X9") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('+') PORT_CHAR('?') + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(0x00F6) PORT_CHAR(0x00D6) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR(':') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') + + PORT_START("X10") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF10") PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10)) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('=') + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR(';') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF1") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) + + PORT_START("X11") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF9") PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9)) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF2") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') + + PORT_START("X12") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + + PORT_START("X13") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF6") PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF5") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("4 \xC2\xA4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR(0x00A4) + + PORT_START("X14") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF7") PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7)) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('/') + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF4") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') + + PORT_START("X15") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF8") PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8)) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF3") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"') + + PORT_START("Z14") + PORT_DIPNAME( 0x07, 0x00, DEF_STR( Language ) ) PORT_DIPLOCATION("Z14:1,2,3") + PORT_DIPSETTING( 0x00, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x01, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x03, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x05, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x06, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x07, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x08, 0x08, "Keyboard Program" ) PORT_DIPLOCATION("Z14:4") + PORT_DIPSETTING( 0x00, "Internal (8048)" ) + PORT_DIPSETTING( 0x08, "External PROM" ) + + PORT_START("MOUSEB") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_SPECIAL ) PORT_NAME("Left Mouse Button") PORT_CODE(MOUSECODE_BUTTON1) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_SPECIAL ) PORT_NAME("Middle Mouse Button") PORT_CODE(MOUSECODE_BUTTON3) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SPECIAL ) PORT_NAME("Right Mouse Button") PORT_CODE(MOUSECODE_BUTTON2) + + PORT_START("MOUSEX") + PORT_BIT( 0xff, 0x00, IPT_MOUSE_X ) PORT_SENSITIVITY(100) PORT_KEYDELTA(5) PORT_MINMAX(0, 255) PORT_PLAYER(1) + + PORT_START("MOUSEY") + PORT_BIT( 0xff, 0x00, IPT_MOUSE_Y ) PORT_SENSITIVITY(100) PORT_KEYDELTA(5) PORT_MINMAX(0, 255) PORT_PLAYER(1) + + PORT_START("J4") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_SPECIAL ) PORT_NAME("Keyboard Reset") PORT_CHANGED_MEMBER(DEVICE_SELF, abc99_device, keyboard_reset, 0) +INPUT_PORTS_END + + +//------------------------------------------------- +// input_ports - device-specific input ports +//------------------------------------------------- + +ioport_constructor abc99_device::device_input_ports() const +{ + return INPUT_PORTS_NAME( abc99 ); +} + + + +//************************************************************************** +// INLINE HELPERS +//************************************************************************** + +//------------------------------------------------- +// serial_input - +//------------------------------------------------- + +inline void abc99_device::serial_input() +{ + device_set_input_line(m_maincpu, MCS48_INPUT_IRQ, (m_si | m_si_en) ? CLEAR_LINE : ASSERT_LINE); + device_set_input_line(m_mousecpu, MCS48_INPUT_IRQ, m_si ? CLEAR_LINE : ASSERT_LINE); +} + + +//------------------------------------------------- +// serial_output - +//------------------------------------------------- + +inline void abc99_device::serial_output() +{ + int so = m_so_z2 & m_so_z5; + + if (m_so != so) + { + m_so = so; + } +} + + +//------------------------------------------------- +// serial_clock - +//------------------------------------------------- + +inline void abc99_device::serial_clock() +{ + m_out_clock_func(1); + m_out_clock_func(0); +} + + +//------------------------------------------------- +// keydown - +//------------------------------------------------- + +inline void abc99_device::key_down(int state) +{ + if (m_keydown != state) + { + m_out_keydown_func(state); + m_keydown = state; + } +} + + +//------------------------------------------------- +// scan_mouse - +//------------------------------------------------- + +inline void abc99_device::scan_mouse() +{ +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// abc99_device - constructor +//------------------------------------------------- + +abc99_device::abc99_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : device_t(mconfig, ABC99, "Luxor ABC 99", tag, owner, clock), + m_maincpu(*this, I8035_Z2_TAG), + m_mousecpu(*this, I8035_Z5_TAG), + m_speaker(*this, SPEAKER_TAG), + m_si(1), + m_si_en(1), + m_so(1), + m_so_z2(1), + m_so_z5(1), + m_keydown(0), + m_t1_z2(0), + m_t1_z5(0), + m_led_en(0), + m_reset(0) +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void abc99_device::device_start() +{ + // allocate timers + m_serial_timer = timer_alloc(TIMER_SERIAL); + m_serial_timer->adjust(MCS48_ALE_CLOCK(XTAL_6MHz/3), 0, MCS48_ALE_CLOCK(XTAL_6MHz/3)); + + m_mouse_timer = timer_alloc(TIMER_MOUSE); + + // resolve callbacks + m_out_clock_func.resolve(m_out_clock_cb, *this); + m_out_keydown_func.resolve(m_out_keydown_cb, *this); + + // state saving + save_item(NAME(m_si)); + save_item(NAME(m_si_en)); + save_item(NAME(m_so)); + save_item(NAME(m_so_z2)); + save_item(NAME(m_so_z5)); + save_item(NAME(m_keydown)); + save_item(NAME(m_t1_z2)); + save_item(NAME(m_t1_z5)); + save_item(NAME(m_led_en)); + save_item(NAME(m_reset)); +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void abc99_device::device_reset() +{ + // set EA lines + device_set_input_line(m_maincpu, MCS48_INPUT_EA, ASSERT_LINE); + device_set_input_line(m_mousecpu, MCS48_INPUT_EA, ASSERT_LINE); +} + + +//------------------------------------------------- +// device_timer - handler timer events +//------------------------------------------------- + +void abc99_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) +{ + switch (id) + { + case TIMER_SERIAL: + serial_clock(); + break; + + case TIMER_MOUSE: + scan_mouse(); + break; + } +} + + +//------------------------------------------------- +// z2_bus_w - +//------------------------------------------------- + +WRITE8_MEMBER( abc99_device::z2_led_w ) +{ + if (m_led_en) return; + + output_set_led_value(LED_1, BIT(data, 0)); + output_set_led_value(LED_2, BIT(data, 1)); + output_set_led_value(LED_3, BIT(data, 2)); + output_set_led_value(LED_4, BIT(data, 3)); + output_set_led_value(LED_5, BIT(data, 4)); + output_set_led_value(LED_6, BIT(data, 5)); + output_set_led_value(LED_7, BIT(data, 6)); + output_set_led_value(LED_8, BIT(data, 7)); +} + + +//------------------------------------------------- +// z2_p1_w - +//------------------------------------------------- + +WRITE8_MEMBER( abc99_device::z2_p1_w ) +{ + /* + + bit description + + P10 serial output + P11 KEY DOWN + P12 transmit -> Z5 T1 + P13 INS led + P14 ALT led + P15 CAPS LOCK led + P16 speaker output + P17 Z8 enable + + */ + + // serial output + int so_z2 = BIT(data, 0); + + if (m_so_z2 != so_z2) + { + m_so_z2 = so_z2; + serial_output(); + } + + // key down + key_down(!BIT(data, 1)); + + // master T1 + m_t1_z5 = BIT(data, 2); + + // key LEDs + output_set_led_value(LED_INS, BIT(data, 3)); + output_set_led_value(LED_ALT, BIT(data, 4)); + output_set_led_value(LED_CAPS_LOCK, BIT(data, 5)); + + // speaker output + speaker_level_w(m_speaker, !BIT(data, 6)); + + // Z8 enable + m_led_en = BIT(data, 7); +} + + +//------------------------------------------------- +// z2_p2_r - +//------------------------------------------------- + +READ8_MEMBER( abc99_device::z2_p2_r ) +{ + /* + + bit description + + P20 + P21 + P22 + P23 + P24 + P25 DIP0 + P26 DIP1 + P27 DIP2 + + */ + + UINT8 data = ioport("Z14")->read() << 5; + + return data; +} + + +//------------------------------------------------- +// z2_t0_r - +//------------------------------------------------- + +READ8_MEMBER( abc99_device::z2_t0_r ) +{ + return 1; // 0=mouse connected, 1=no mouse +} + + +//------------------------------------------------- +// z2_t1_r - +//------------------------------------------------- + +READ8_MEMBER( abc99_device::z2_t1_r ) +{ + return m_t1_z2; +} + + +//------------------------------------------------- +// z5_p1_r - +//------------------------------------------------- + +READ8_MEMBER( abc99_device::z5_p1_r ) +{ + /* + + bit description + + P10 XA + P11 XB + P12 YA + P13 YB + P14 LB + P15 MB + P16 RB + P17 input from host + + */ + + UINT8 data = 0; + + // mouse buttons + data |= (ioport("MOUSEB")->read() & 0x07) << 4; + + // serial input + data |= m_si << 7; + + return data; +} + + +//------------------------------------------------- +// z5_p2_w - +//------------------------------------------------- + +WRITE8_MEMBER( abc99_device::z5_p2_w ) +{ + /* + + bit description + + P20 + P21 + P22 + P23 + P24 Z2 serial input enable + P25 Z2 RESET + P26 serial output + P27 Z2 T1 + + */ + + // serial input enable + int si_en = BIT(data, 4); + + if (m_si_en != si_en) + { + m_si_en = si_en; + serial_input(); + } + + // Z2 reset + int reset = BIT(data, 5); + + if (m_reset != reset) + { + m_reset = reset; + device_set_input_line(m_maincpu, INPUT_LINE_RESET, m_reset ? CLEAR_LINE : ASSERT_LINE); + } + + // serial output + int so_z5 = BIT(data, 6); + + if (m_so_z5 != so_z5) + { + m_so_z5 = so_z5; + serial_output(); + } + + // keyboard CPU T1 + m_t1_z2 = BIT(data, 7); +} + + +//------------------------------------------------- +// z5_t0_w - +//------------------------------------------------- + +WRITE8_MEMBER( abc99_device::z5_t0_w ) +{ + // clock output to Z2, not necessary to emulate +} + + +//------------------------------------------------- +// z5_t1_r - +//------------------------------------------------- + +READ8_MEMBER( abc99_device::z5_t1_r ) +{ + return m_t1_z5; +} + + +//------------------------------------------------- +// rxd_w - +//------------------------------------------------- + +WRITE_LINE_MEMBER( abc99_device::rxd_w ) +{ + if (m_si != state) + { + m_si = state; + + serial_input(); + } +} + + +//------------------------------------------------- +// txd_r - +//------------------------------------------------- + +READ_LINE_MEMBER( abc99_device::txd_r ) +{ + return m_so; +} + + +//------------------------------------------------- +// reset_w - +//------------------------------------------------- + +WRITE_LINE_MEMBER( abc99_device::reset_w ) +{ + device_set_input_line(m_mousecpu, INPUT_LINE_RESET, state ? CLEAR_LINE : ASSERT_LINE); +} |