diff options
author | Miodrag Milanovic <mmicko@gmail.com> | 2015-11-08 12:56:12 +0100 |
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committer | Miodrag Milanovic <mmicko@gmail.com> | 2015-11-08 12:56:12 +0100 |
commit | 7c19aac60e12d6f5ea301bdb34d7826a01e0b06f (patch) | |
tree | f310d86aa2c6bfc19d115307dedde4eb0cd52dad /src/mame/machine/pc1512kb.cpp | |
parent | a57b46ae933badd7441ce1644711dbb851e2b504 (diff) |
Rename *.c -> *.cpp in our source (nw)
Diffstat (limited to 'src/mame/machine/pc1512kb.cpp')
-rw-r--r-- | src/mame/machine/pc1512kb.cpp | 506 |
1 files changed, 506 insertions, 0 deletions
diff --git a/src/mame/machine/pc1512kb.cpp b/src/mame/machine/pc1512kb.cpp new file mode 100644 index 00000000000..6d4ef54e134 --- /dev/null +++ b/src/mame/machine/pc1512kb.cpp @@ -0,0 +1,506 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Amstrad PC1512 Keyboard emulation + +**********************************************************************/ + +#include "pc1512kb.h" + + + +//************************************************************************** +// MACROS / CONSTANTS +//************************************************************************** + +#define I8048_TAG "ic801" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type PC1512_KEYBOARD = &device_creator<pc1512_keyboard_device>; + + +//------------------------------------------------- +// ROM( pc1512_keyboard ) +//------------------------------------------------- + +ROM_START( pc1512_keyboard ) + ROM_REGION( 0x400, I8048_TAG, 0 ) + ROM_LOAD( "40042.ic801", 0x000, 0x400, CRC(607edaf6) SHA1(4422c6475596c3881c11b6a6266811c336d55d19) ) +ROM_END + + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *pc1512_keyboard_device::device_rom_region() const +{ + return ROM_NAME( pc1512_keyboard ); +} + + +//------------------------------------------------- +// ADDRESS_MAP( pc1512_keyboard_io ) +//------------------------------------------------- + +static ADDRESS_MAP_START( pc1512_keyboard_io, AS_IO, 8, pc1512_keyboard_device ) + AM_RANGE(MCS48_PORT_BUS, MCS48_PORT_BUS) AM_READ(kb_bus_r) + AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_WRITE(kb_p1_w) + AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_READWRITE(kb_p2_r, kb_p2_w) + AM_RANGE(MCS48_PORT_T0, MCS48_PORT_T0) AM_READ(kb_t0_r) + AM_RANGE(MCS48_PORT_T1, MCS48_PORT_T1) AM_READ(kb_t1_r) +ADDRESS_MAP_END + + +//------------------------------------------------- +// MACHINE_DRIVER( pc1512_keyboard ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( pc1512_keyboard ) + MCFG_CPU_ADD(I8048_TAG, I8048, XTAL_6MHz) + MCFG_CPU_IO_MAP(pc1512_keyboard_io) +MACHINE_CONFIG_END + + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor pc1512_keyboard_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( pc1512_keyboard ); +} + + +//------------------------------------------------- +// INPUT_PORTS( pc1512_keyboard ) +//------------------------------------------------- + +INPUT_PORTS_START( pc1512_keyboard ) + PORT_START("Y1") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F6") PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F7") PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7)) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F8") PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8)) + + PORT_START("Y2") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Esc") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) + 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_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Left SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('\'') PORT_CHAR('|') + + PORT_START("Y3") + 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_3) PORT_CHAR('3') PORT_CHAR('?') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') + 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("Y4") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') 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_R) PORT_CHAR('r') PORT_CHAR('R') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') + 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("Y5") + 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_7) PORT_CHAR('7') PORT_CHAR('&') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') + 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("Y6") + 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_9) PORT_CHAR('9') PORT_CHAR('(') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') + 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("Y7") + 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_MINUS) PORT_CHAR('-') PORT_CHAR('_') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('@') + 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("Y8") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_LEFT" Del") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 7 Home") PORT_CODE(KEYCODE_7_PAD) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('#') PORT_CHAR('~') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Right SHIFT") PORT_CODE(KEYCODE_RSHIFT) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("* PrtSc") PORT_CODE(KEYCODE_PRTSCR) + + PORT_START("Y9") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Num Lock") PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK)) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Break Scroll Lock") PORT_CODE(KEYCODE_SCRLOCK) PORT_CHAR(UCHAR_MAMEKEY(SCRLOCK)) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 8 " UTF8_UP) PORT_CODE(KEYCODE_8_PAD) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 9 Pg Up") PORT_CODE(KEYCODE_9_PAD) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 4 " UTF8_LEFT) PORT_CODE(KEYCODE_4_PAD) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 5") PORT_CODE(KEYCODE_5_PAD) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 1 End") PORT_CODE(KEYCODE_1_PAD) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 2 " UTF8_DOWN) PORT_CODE(KEYCODE_2_PAD) + + PORT_START("Y10") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad Enter") PORT_CODE(KEYCODE_ENTER_PAD) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad -") PORT_CODE(KEYCODE_MINUS_PAD) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 6 " UTF8_RIGHT) PORT_CODE(KEYCODE_6_PAD) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 3 Pg Dn") PORT_CODE(KEYCODE_3_PAD) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Del " UTF8_RIGHT) PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) + + PORT_START("Y11") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F9") PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9)) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F10") PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10)) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Alt") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + 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("Keypad 0 Ins") PORT_CODE(KEYCODE_0_PAD) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad . Del") PORT_CODE(KEYCODE_DEL_PAD) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad +") PORT_CODE(KEYCODE_PLUS_PAD) + + PORT_START("COM") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) +INPUT_PORTS_END + + +//------------------------------------------------- +// input_ports - device-specific input ports +//------------------------------------------------- + +ioport_constructor pc1512_keyboard_device::device_input_ports() const +{ + return INPUT_PORTS_NAME( pc1512_keyboard ); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// pc1512_keyboard_device - constructor +//------------------------------------------------- + +pc1512_keyboard_device::pc1512_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : device_t(mconfig, PC1512_KEYBOARD, "Amstrad PC1512 Keyboard", tag, owner, clock, "pc1512kb", __FILE__), + m_maincpu(*this, I8048_TAG), + m_y1(*this, "Y1"), + m_y2(*this, "Y2"), + m_y3(*this, "Y3"), + m_y4(*this, "Y4"), + m_y5(*this, "Y5"), + m_y6(*this, "Y6"), + m_y7(*this, "Y7"), + m_y8(*this, "Y8"), + m_y9(*this, "Y9"), + m_y10(*this, "Y10"), + m_y11(*this, "Y11"), + m_com(*this, "COM"), + m_write_clock(*this), + m_write_data(*this), + m_data_in(1), + m_clock_in(1), + m_kb_y(0xffff), + m_joy_com(1), + m_m1(1), + m_m2(1) +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void pc1512_keyboard_device::device_start() +{ + // allocate timers + m_reset_timer = timer_alloc(); + + // resolve callbacks + m_write_clock.resolve_safe(); + m_write_data.resolve_safe(); + + // state saving + save_item(NAME(m_data_in)); + save_item(NAME(m_clock_in)); + save_item(NAME(m_kb_y)); + save_item(NAME(m_joy_com)); + save_item(NAME(m_m1)); + save_item(NAME(m_m2)); +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void pc1512_keyboard_device::device_reset() +{ + m_maincpu->set_input_line(MCS48_INPUT_EA, CLEAR_LINE); +} + + +//------------------------------------------------- +// device_timer - handler timer events +//------------------------------------------------- + +void pc1512_keyboard_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) +{ + if (!m_clock_in) + { + m_maincpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE); + } +} + + +//------------------------------------------------- +// data_w - keyboard data input +//------------------------------------------------- + +WRITE_LINE_MEMBER( pc1512_keyboard_device::data_w ) +{ + m_data_in = state; +} + + +//------------------------------------------------- +// clock_w - keyboard clock input +//------------------------------------------------- + +WRITE_LINE_MEMBER( pc1512_keyboard_device::clock_w ) +{ + if (m_clock_in != state) + { + if (!state) + { + m_reset_timer->adjust(attotime::from_msec(10)); + } + else + { + m_maincpu->set_input_line(INPUT_LINE_RESET, CLEAR_LINE); + } + } + + m_clock_in = state; +} + + +//------------------------------------------------- +// m1_w - mouse button 1 +//------------------------------------------------- + +WRITE_LINE_MEMBER( pc1512_keyboard_device::m1_w ) +{ + m_m1 = state; +} + + +//------------------------------------------------- +// m2_w - mouse button 2 +//------------------------------------------------- + +WRITE_LINE_MEMBER( pc1512_keyboard_device::m2_w ) +{ + m_m2 = state; +} + + +//------------------------------------------------- +// kb_bus_r - +//------------------------------------------------- + +READ8_MEMBER( pc1512_keyboard_device::kb_bus_r ) +{ + /* + + bit description + + 0 X1 + 1 X2 + 2 X3 + 3 X4 + 4 X5 + 5 X6 + 6 X7 + 7 X8 + + */ + + UINT8 data = 0xff; + + if (!BIT(m_kb_y, 0)) data &= m_y1->read(); + if (!BIT(m_kb_y, 1)) data &= m_y2->read(); + if (!BIT(m_kb_y, 2)) data &= m_y3->read(); + if (!BIT(m_kb_y, 3)) data &= m_y4->read(); + if (!BIT(m_kb_y, 4)) data &= m_y5->read(); + if (!BIT(m_kb_y, 5)) data &= m_y6->read(); + if (!BIT(m_kb_y, 6)) data &= m_y7->read(); + if (!BIT(m_kb_y, 7)) data &= m_y8->read(); + if (!BIT(m_kb_y, 8)) data &= m_y9->read(); + if (!BIT(m_kb_y, 9)) data &= m_y10->read(); + if (!BIT(m_kb_y, 10)) data &= m_y11->read(); + if (!m_joy_com) data &= m_com->read(); + + return data; +} + + +//------------------------------------------------- +// kb_p1_w - +//------------------------------------------------- + +WRITE8_MEMBER( pc1512_keyboard_device::kb_p1_w ) +{ + /* + + bit description + + 0 Y1 + 1 Y2 + 2 Y3 + 3 Y4 + 4 Y5 + 5 Y6 + 6 Y7 + 7 Y8 + + */ + + m_kb_y = (m_kb_y & 0xff00) | data; +} + + +//------------------------------------------------- +// kb_p2_r - +//------------------------------------------------- + +READ8_MEMBER( pc1512_keyboard_device::kb_p2_r ) +{ + /* + + bit description + + 0 SERIAL DATA + 1 SERIAL CLOCK + 2 + 3 + 4 + 5 + 6 + 7 + + */ + + UINT8 data = 0; + + data |= m_data_in; + data |= m_clock_in << 1; + + return data; +} + + +//------------------------------------------------- +// kb_p2_w - +//------------------------------------------------- + +WRITE8_MEMBER( pc1512_keyboard_device::kb_p2_w ) +{ + /* + + bit description + + 0 SERIAL DATA + 1 SERIAL CLOCK + 2 CAPS LED + 3 NUM LED + 4 Y9 + 5 Y10 + 6 Y11 + 7 joystick COM + + */ + + // keyboard data + m_write_data(BIT(data, 0)); + + // keyboard clock + m_write_clock(BIT(data, 1)); + + // CAPS LOCK + output_set_led_value(LED_CAPS, BIT(data, 2)); + + // NUM LOCK + output_set_led_value(LED_NUM, BIT(data, 3)); + + // keyboard row + m_kb_y = (((data >> 4) & 0x07) << 8) | (m_kb_y & 0xff); + + // joystick common + m_joy_com = BIT(data, 7); +} + + +//------------------------------------------------- +// kb_t0_r - +//------------------------------------------------- + +READ8_MEMBER( pc1512_keyboard_device::kb_t0_r ) +{ + return m_m1; +} + + +//------------------------------------------------- +// kb_t1_r - +//------------------------------------------------- + +READ8_MEMBER( pc1512_keyboard_device::kb_t1_r ) +{ + return m_m2; +} |