// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Wang PC keyboard emulation *********************************************************************/ /* PCB Layout ---------- Key Tronic A65-02454-002 PCB 201 |-----------------------------------------------------------------------| | LS273 PSG 555 LS04 4MHz LS132 CN1 LS374 XR | | CPU | | LD1 LD2 LD3 LD4 LD5 | | SW1 LS259 SW2 LS259 | | | | | | | | | | | | | | | |-----------------------------------------------------------------------| Notes: Relevant IC's shown. CPU - Intel P8051AH "20-8051-225" PSG - Texas Instruments SN76496N XR - Exar Semiconductor XR22-908-03B? (hard to read) CN1 - 1x6 pin PCB header SW1 - 8-way DIP switch SW2 - 8-way DIP switch */ /* TODO: - rewrite the mcs51.c serial I/O to replace this horrible, horrible hack - dip switches */ #include "emu.h" #include "wangpckb.h" #include "speaker.h" //************************************************************************** // MACROS / CONSTANTS //************************************************************************** #define LOG 0 #define I8051_TAG "z5" #define SN76496_TAG "z4" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** DEFINE_DEVICE_TYPE(WANGPC_KEYBOARD, wangpc_keyboard_device, "wangpckb", "Wang PC Keyboard") //------------------------------------------------- // ROM( wangpc_keyboard ) //------------------------------------------------- ROM_START( wangpc_keyboard ) ROM_REGION( 0x1000, I8051_TAG, 0 ) ROM_LOAD( "20-8051-225.z5", 0x0000, 0x1000, CRC(82d2999f) SHA1(2bb34a1de2d94b2885d9e8fcd4964296f6276c5c) ) ROM_END //------------------------------------------------- // rom_region - device-specific ROM region //------------------------------------------------- const tiny_rom_entry *wangpc_keyboard_device::device_rom_region() const { return ROM_NAME( wangpc_keyboard ); } //------------------------------------------------- // ADDRESS_MAP( wangpc_keyboard_io ) //------------------------------------------------- void wangpc_keyboard_device::wangpc_keyboard_io(address_map &map) { //map(0x0000, 0xfeff).nopr(); map(0x47, 0x58).mirror(0xff00).nopr(); map(0x00, 0x00).mirror(0xff00).w(SN76496_TAG, FUNC(sn76496_device::write)); } //------------------------------------------------- // device_add_mconfig - add device configuration //------------------------------------------------- void wangpc_keyboard_device::device_add_mconfig(machine_config &config) { I8051(config, m_maincpu, XTAL(4'000'000)); m_maincpu->set_addrmap(AS_IO, &wangpc_keyboard_device::wangpc_keyboard_io); m_maincpu->port_in_cb<1>().set(FUNC(wangpc_keyboard_device::kb_p1_r)); m_maincpu->port_out_cb<1>().set(FUNC(wangpc_keyboard_device::kb_p1_w)); m_maincpu->port_out_cb<2>().set(FUNC(wangpc_keyboard_device::kb_p2_w)); m_maincpu->port_out_cb<3>().set(FUNC(wangpc_keyboard_device::kb_p3_w)); m_maincpu->serial_tx_cb().set(FUNC(wangpc_keyboard_device::mcs51_tx_callback)); m_maincpu->serial_rx_cb().set(FUNC(wangpc_keyboard_device::mcs51_rx_callback)); // sound hardware SPEAKER(config, "mono").front_center(); SN76496(config, SN76496_TAG, 2000000).add_route(ALL_OUTPUTS, "mono", 1.00); // ??? } //------------------------------------------------- // INPUT_PORTS( wangpc_keyboard ) //------------------------------------------------- INPUT_PORTS_START( wangpc_keyboard ) PORT_START("Y0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xE2\x86\x90") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) // 2b PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) // 63 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("EXEC") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) // 53 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DELETE") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END)) // 52 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) // 43 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) // 29 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xE2\x86\x96") // 26 PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) // 2e PORT_START("Y1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') // 64 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) // 1f PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) // 21 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_NAME("GL") // 54 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')// 45 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r') // 44 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RIGHT SHIFT") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) // 35 PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) // 2d PORT_START("Y2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') // 65 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') // 2f PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') // 56 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR(']') // 55 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') // 46 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) // 22 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) // 23 PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') // 37 PORT_START("Y3") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') // 67 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') // 66 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') // 58 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') // 57 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') // 48 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') // 47 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') // 38 PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') // 2a PORT_START("Y4") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("6 \xC2\xA3") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR(0xa3) // 69 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') // 68 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') // 5a PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') // 59 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') // 4a PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') // 49 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') // 3a PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') // 39 PORT_START("Y5") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') // 6b PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') // 6a PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') // 5c PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') // 5b PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') // 4c PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') // 4b PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') // 3c PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') // 3b PORT_START("Y6") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') // 6d PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') // 6c PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') // 5e PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') // 5d PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') // 4e PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') // 4d PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') // 3e PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') // 3d PORT_START("Y7") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xE2\x87\xA4") PORT_CODE(KEYCODE_TILDE) // 1f PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') // 6e PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xE2\x87\xA5") PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') // 6f PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') // 5f PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) // 1e PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') // 4f PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LEFT SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) // 1b PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') // 3f PORT_START("Y8") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("STOP") PORT_CODE(KEYCODE_F8) // 77 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SRCH") PORT_CODE(KEYCODE_F9) // 76 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad ENTER") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) // 1c PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad . ;") PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) // 32 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) // 33 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 0 '") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) // 34 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) // 35 PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_DOWN) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) // 28 PORT_START("Y9") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("MERGE") PORT_CODE(KEYCODE_F6) // 79 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("NOTE") PORT_CODE(KEYCODE_F7) // 78 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("GOTO") // 11 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CANCEL") // 12 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_KEYBOARD ) PORT_NAME("2ND") PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL)) // 25 PORT_START("Y10") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DEC TAB") PORT_CODE(KEYCODE_F4) // 7b PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("FORMAT") PORT_CODE(KEYCODE_F5) // 7a PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xE2\x86\x95") // 71 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("(blank)") // 70 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') // 2c PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) // 27 PORT_START("Y11") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PAGE") PORT_CODE(KEYCODE_F2) // 7d PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CENTER") PORT_CODE(KEYCODE_F3) // 7c PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("MOVE") PORT_CODE(KEYCODE_F12) // 73 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("COMMAND") // 72 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("Y12") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("HELP") PORT_CODE(KEYCODE_ESC) // 36 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("INDENT") PORT_CODE(KEYCODE_F1) // 7e PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("REPLC") PORT_CODE(KEYCODE_F10) // 75 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("COPY") PORT_CODE(KEYCODE_F11) // 74 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) // 24 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) // 1d PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("Y13") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad \xC3\x97") PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) // 14 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad \xC3\xB7") PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) // 18 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PRINT") // 19 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED ) // 20 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) PORT_NAME("ERASE") // 1a PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) // 1c PORT_START("Y14") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad + *") PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK))// 60 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad - !") PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD)) // 13 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 8 >") PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) // 15 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 9 " UTF8_UP) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) // 16 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 5 ]") PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) // 40 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 6 $") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) // 17 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 3 #") PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) // 10 PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) // 1b PORT_START("Y15") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("INSERT") PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) // 62 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PREV") PORT_CODE(KEYCODE_PGUP) PORT_CHAR(UCHAR_MAMEKEY(PGUP)) // 61 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("NEXT") PORT_CODE(KEYCODE_PGDN) PORT_CHAR(UCHAR_MAMEKEY(PGDN)) // 51 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 7 <") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) // 50 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) // 42 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 4 [") PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) // 41 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 1 &") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) // 31 PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 2 @") PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) // 30 PORT_START("SW1") PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:1") PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:2") PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:3") PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:4") PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:5") PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:6") PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:7") PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:8") PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START("SW2") PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:1") PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:2") PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:3") PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:4") PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:5") PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:6") PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:7") PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:8") PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) INPUT_PORTS_END //------------------------------------------------- // input_ports - device-specific input ports //------------------------------------------------- ioport_constructor wangpc_keyboard_device::device_input_ports() const { return INPUT_PORTS_NAME( wangpc_keyboard ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // wangpc_keyboard_device - constructor //------------------------------------------------- wangpc_keyboard_device::wangpc_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, WANGPC_KEYBOARD, tag, owner, clock), device_serial_interface(mconfig, *this), m_maincpu(*this, I8051_TAG), m_y(*this, "Y%u", 0), m_txd_handler(*this), m_leds(*this, "led%u", 0U), m_keylatch(0), m_rxd(1) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void wangpc_keyboard_device::device_start() { m_txd_handler.resolve_safe(); m_leds.resolve(); set_data_frame(1, 8, PARITY_NONE, STOP_BITS_2); set_rcv_rate(62500); //set_tra_rate(62500); save_item(NAME(m_keylatch)); save_item(NAME(m_rxd)); } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void wangpc_keyboard_device::device_reset() { receive_register_reset(); transmit_register_reset(); m_txd_handler(1); } //------------------------------------------------- // tra_callback - //------------------------------------------------- void wangpc_keyboard_device::tra_callback() { int bit = transmit_register_get_data_bit(); if (LOG) logerror("KB '%s' Transmit Bit %u\n", tag(), bit); m_txd_handler(transmit_register_get_data_bit()); } //------------------------------------------------- // tra_complete - //------------------------------------------------- void wangpc_keyboard_device::tra_complete() { } //------------------------------------------------- // rcv_callback - //------------------------------------------------- void wangpc_keyboard_device::rcv_callback() { if (LOG) logerror("KB '%s' Receive Bit %u\n", tag(), m_rxd); receive_register_update_bit(m_rxd); } //------------------------------------------------- // rcv_complete - //------------------------------------------------- void wangpc_keyboard_device::rcv_complete() { receive_register_extract(); if (LOG) logerror("KB '%s' Receive Data %02x\n", tag(), get_received_char()); m_maincpu->set_input_line(MCS51_RX_LINE, ASSERT_LINE); m_maincpu->set_input_line(MCS51_RX_LINE, CLEAR_LINE); } //------------------------------------------------- // write_rxd - //------------------------------------------------- WRITE_LINE_MEMBER(wangpc_keyboard_device::write_rxd) { m_rxd = state; device_serial_interface::rx_w(state); } //------------------------------------------------- // mcs51_rx_callback - //------------------------------------------------- uint8_t wangpc_keyboard_device::mcs51_rx_callback() { if (LOG) logerror("KB '%s' CPU Receive Data %02x\n", tag(), get_received_char()); return get_received_char(); } //------------------------------------------------- // mcs51_tx_callback - //------------------------------------------------- void wangpc_keyboard_device::mcs51_tx_callback(uint8_t data) { if (LOG) logerror("KB '%s' CPU Transmit Data %02x\n", tag(), data); transmit_register_setup(data); // HACK bang the bits out immediately while (!is_transmit_register_empty()) { m_txd_handler(transmit_register_get_data_bit()); } } //------------------------------------------------- // kb_p1_r - //------------------------------------------------- uint8_t wangpc_keyboard_device::kb_p1_r() { return m_y[m_keylatch]->read(); } //------------------------------------------------- // kb_p1_w - //------------------------------------------------- void wangpc_keyboard_device::kb_p1_w(uint8_t data) { /* bit description P1.0 led 0 P1.1 led 1 P1.2 led 2 P1.3 led 3 P1.4 led 4 P1.5 led 5 P1.6 P1.7 */ for (int i = 0; i < 6; i++) { m_leds[i] = BIT(~data, i); } //if (LOG) logerror("P1 %02x\n", data); } //------------------------------------------------- // kb_p2_w - //------------------------------------------------- void wangpc_keyboard_device::kb_p2_w(uint8_t data) { /* bit description P2.0 row 0 P2.1 row 1 P2.2 row 2 P2.3 row 3 P2.4 P2.5 P2.6 chip enable for something P2.7 */ m_keylatch = data & 0x0f; //if (LOG) logerror("P2 %02x\n", data); } //------------------------------------------------- // kb_p3_w - //------------------------------------------------- void wangpc_keyboard_device::kb_p3_w(uint8_t data) { /* bit description P3.0 RxD P3.1 TxD P3.2 P3.3 chip enable for something P3.4 P3.5 P3.6 P3.7 */ //if (LOG) logerror("P3 %02x\n", data); }