diff options
Diffstat (limited to 'src/mess/machine/x820kb.c')
-rw-r--r-- | src/mess/machine/x820kb.c | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/src/mess/machine/x820kb.c b/src/mess/machine/x820kb.c deleted file mode 100644 index 115e8591e4a..00000000000 --- a/src/mess/machine/x820kb.c +++ /dev/null @@ -1,387 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Curt Coder -/********************************************************************** - - Xerox 820/820-II ASCII keyboard emulation - -*********************************************************************/ - -/* - -PCB Layout ----------- - -Maxi-Switch Co. -630107-02 - -|-----------------------------------------------------------------------| -| |--CN1--| CN2 | -| 8748 6MHz 74154 * | -| | -|-----------------------------------------------------------------------| - -Notes: - All IC's shown. - - 8048 - NEC D8748D - 74154 - 4-line to 16-line decoder/multiplexer - * - unpopulated 8-pin chip - CN1 - 2x16 PCB header - CN2 - unpopulated RJ-45? connector - -*/ - -/* - - TODO: - - - repeat - - what are T0/T1/INT? - -*/ - -#include "x820kb.h" - - - -//************************************************************************** -// MACROS / CONSTANTS -//************************************************************************** - -#define I8748_TAG "i8748" - - - -//************************************************************************** -// DEVICE DEFINITIONS -//************************************************************************** - -const device_type XEROX_820_KEYBOARD = &device_creator<xerox_820_keyboard_t>; - - -//------------------------------------------------- -// ROM( xerox_820_keyboard ) -//------------------------------------------------- - -ROM_START( xerox_820_keyboard ) - ROM_REGION( 0x400, I8748_TAG, 0 ) - ROM_LOAD( "820iikey.bin", 0x000, 0x400, CRC(8ea3b39b) SHA1(3f05959f54a558b273567b1b4f0c7cdf46d8d9bf) ) -ROM_END - - -//------------------------------------------------- -// rom_region - device-specific ROM region -//------------------------------------------------- - -const rom_entry *xerox_820_keyboard_t::device_rom_region() const -{ - return ROM_NAME( xerox_820_keyboard ); -} - - -//------------------------------------------------- -// ADDRESS_MAP( kb_io ) -//------------------------------------------------- - -static ADDRESS_MAP_START( xerox_820_keyboard_io, AS_IO, 8, xerox_820_keyboard_t ) - AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_READWRITE(kb_p1_r, kb_p1_w) - AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_READ(kb_p2_r) AM_WRITENOP - AM_RANGE(MCS48_PORT_T0, MCS48_PORT_T0) AM_READ(kb_t0_r) - AM_RANGE(MCS48_PORT_T0, MCS48_PORT_T1) AM_READ(kb_t1_r) - AM_RANGE(MCS48_PORT_BUS, MCS48_PORT_BUS) AM_WRITE(kb_bus_w) -ADDRESS_MAP_END - - -//------------------------------------------------- -// MACHINE_DRIVER( xerox_820_keyboard ) -//------------------------------------------------- - -static MACHINE_CONFIG_FRAGMENT( xerox_820_keyboard ) - MCFG_CPU_ADD(I8748_TAG, I8048, XTAL_6MHz) - MCFG_CPU_IO_MAP(xerox_820_keyboard_io) -MACHINE_CONFIG_END - - -//------------------------------------------------- -// machine_config_additions - device-specific -// machine configurations -//------------------------------------------------- - -machine_config_constructor xerox_820_keyboard_t::device_mconfig_additions() const -{ - return MACHINE_CONFIG_NAME( xerox_820_keyboard ); -} - - -//------------------------------------------------- -// INPUT_PORTS( xerox_820_keyboard ) -//------------------------------------------------- - -INPUT_PORTS_START( xerox_820_keyboard ) - PORT_START("Y0") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') - 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("Y1") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') - 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_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) - - PORT_START("Y2") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LINE FEED") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"') PORT_CHAR('`') - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') PORT_CHAR('~') - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') - - PORT_START("Y3") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad .") - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_DOWN) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') 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_SPACE) PORT_CHAR(' ') - - PORT_START("Y4") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) // ; = - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) // : < > - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) - - PORT_START("Y5") - 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('0') PORT_CHAR(')') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('9') PORT_CHAR('(') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("BACK SPACE") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DEL") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad -") PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) - - PORT_START("Y6") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("HELP") PORT_CODE(KEYCODE_TILDE) - - PORT_START("Y7") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') - 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_R) PORT_CHAR('r') PORT_CHAR('R') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR(UCHAR_MAMEKEY(TAB)) - - PORT_START("Y8") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') - 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_J) PORT_CHAR('j') PORT_CHAR('J') - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') - - PORT_START("YF") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_TOGGLE - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Left CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) - 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_KEYBOARD ) PORT_NAME("Right CTRL") PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL)) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) -INPUT_PORTS_END - - -//------------------------------------------------- -// input_ports - device-specific input ports -//------------------------------------------------- - -ioport_constructor xerox_820_keyboard_t::device_input_ports() const -{ - return INPUT_PORTS_NAME( xerox_820_keyboard ); -} - - - -//************************************************************************** -// LIVE DEVICE -//************************************************************************** - -//------------------------------------------------- -// xerox_820_keyboard_t - constructor -//------------------------------------------------- - -xerox_820_keyboard_t::xerox_820_keyboard_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : - device_t(mconfig, XEROX_820_KEYBOARD, "Xerox 820 Keyboard", tag, owner, clock, "x820kb", __FILE__), - m_maincpu(*this, I8748_TAG), - m_y0(*this, "Y0"), - 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_yf(*this, "YF"), - m_kbstb_cb(*this), - m_p1(0xff), - m_bus(0xff) -{ -} - - -//------------------------------------------------- -// device_start - device-specific startup -//------------------------------------------------- - -void xerox_820_keyboard_t::device_start() -{ - // state saving - save_item(NAME(m_p1)); - save_item(NAME(m_bus)); -} - - -//------------------------------------------------- -// device_reset - device-specific reset -//------------------------------------------------- - -void xerox_820_keyboard_t::device_reset() -{ - m_kbstb_cb.resolve_safe(); -} - -void xerox_820_keyboard_t::device_reset_after_children() -{ - m_maincpu->set_input_line(MCS48_INPUT_IRQ, ASSERT_LINE); -} - - -//------------------------------------------------- -// kb_p1_r - -//------------------------------------------------- - -READ8_MEMBER( xerox_820_keyboard_t::kb_p1_r ) -{ - return m_p1; // TODO: move to mcs48.c -} - - -//------------------------------------------------- -// kb_p1_w - -//------------------------------------------------- - -WRITE8_MEMBER( xerox_820_keyboard_t::kb_p1_w ) -{ - /* - - bit description - - 0 A0 - 1 A1 - 2 A2 - 3 A3 - 4 KBSTB - 5 - 6 - 7 ? (toggled if T1=0) - - */ - - m_p1 = data; - - m_kbstb_cb(BIT(data, 4) ? CLEAR_LINE : ASSERT_LINE); -} - - -//------------------------------------------------- -// kb_p2_r - -//------------------------------------------------- - -READ8_MEMBER( xerox_820_keyboard_t::kb_p2_r ) -{ - UINT8 data = 0xff; - - switch (m_p1 & 0x0f) - { - case 0: data &= m_y0->read(); break; - case 1: data &= m_y1->read(); break; - case 2: data &= m_y2->read(); break; - case 3: data &= m_y3->read(); break; - case 4: data &= m_y4->read(); break; - case 5: data &= m_y5->read(); break; - case 6: data &= m_y6->read(); break; - case 7: data &= m_y7->read(); break; - case 8: data &= m_y8->read(); break; - case 0xf: data &= m_yf->read(); break; - } - - return data; -} - - -//------------------------------------------------- -// kb_t0_r - -//------------------------------------------------- - -READ8_MEMBER( xerox_820_keyboard_t::kb_t0_r ) -{ - UINT8 data = 1; - - switch (m_p1 & 0x0f) - { - case 0xd: data = 1; break; // ??? if 0, return key data | 0x80 - case 0xe: data = 1; break; // ??? if 0, set r6=1 - } - - return data; -} - - -//------------------------------------------------- -// kb_t1_r - -//------------------------------------------------- - -READ8_MEMBER( xerox_820_keyboard_t::kb_t1_r ) -{ - return 1; // ??? if 0, toggle P17 -} - - -//------------------------------------------------- -// kb_bus_w - -//------------------------------------------------- - -WRITE8_MEMBER( xerox_820_keyboard_t::kb_bus_w ) -{ - m_bus = data; -} |