/*************************************************************************** Generic ASCII Keyboard Use GENERIC_KEYBOARD to attach as a generic ascii input device in cases where either the driver isn't developed enough yet; or for testing; or for the case of a computer with an inbuilt (not serial) ascii keyboard. Example of usage in a driver. In MACHINE_CONFIG MCFG_DEVICE_ADD(KEYBOARD_TAG, GENERIC_KEYBOARD, 0) MCFG_GENERIC_KEYBOARD_CB(WRITE8(xxx_state, kbd_put)) In the code: WRITE8_MEMBER( xxx_state::kbd_put ) { (code to capture the key as it is pressed) } ***************************************************************************/ #include "machine/keyboard.h" /*************************************************************************** IMPLEMENTATION ***************************************************************************/ generic_keyboard_device::generic_keyboard_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), m_io_kbd0(*this, "TERM_LINE0"), m_io_kbd1(*this, "TERM_LINE1"), m_io_kbd2(*this, "TERM_LINE2"), m_io_kbd3(*this, "TERM_LINE3"), m_io_kbd4(*this, "TERM_LINE4"), m_io_kbd5(*this, "TERM_LINE5"), m_io_kbd6(*this, "TERM_LINE6"), m_io_kbd7(*this, "TERM_LINE7"), m_io_kbdc(*this, "TERM_LINEC"), m_keyboard_cb(*this) { } generic_keyboard_device::generic_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, GENERIC_KEYBOARD, "Generic Keyboard", tag, owner, clock, "generic_keyboard", __FILE__), m_io_kbd0(*this, "TERM_LINE0"), m_io_kbd1(*this, "TERM_LINE1"), m_io_kbd2(*this, "TERM_LINE2"), m_io_kbd3(*this, "TERM_LINE3"), m_io_kbd4(*this, "TERM_LINE4"), m_io_kbd5(*this, "TERM_LINE5"), m_io_kbd6(*this, "TERM_LINE6"), m_io_kbd7(*this, "TERM_LINE7"), m_io_kbdc(*this, "TERM_LINEC"), m_keyboard_cb(*this) { } UINT8 generic_keyboard_device::row_number(UINT8 code) { if BIT(code,0) return 0; if BIT(code,1) return 1; if BIT(code,2) return 2; if BIT(code,3) return 3; if BIT(code,4) return 4; if BIT(code,5) return 5; if BIT(code,6) return 6; if BIT(code,7) return 7; return 0; } UINT8 generic_keyboard_device::keyboard_handler(UINT8 last_code, UINT8 *scan_line) { int i; UINT8 code = 0; UINT8 key_code = 0; UINT8 retVal = 0; UINT8 shift = BIT(m_io_kbdc->read(), 1); UINT8 caps = BIT(m_io_kbdc->read(), 2); UINT8 ctrl = BIT(m_io_kbdc->read(), 0); i = *scan_line; { if (i == 0) code = m_io_kbd0->read(); else if (i == 1) code = m_io_kbd1->read(); else if (i == 2) code = m_io_kbd2->read(); else if (i == 3) code = m_io_kbd3->read(); else if (i == 4) code = m_io_kbd4->read(); else if (i == 5) code = m_io_kbd5->read(); else if (i == 6) code = m_io_kbd6->read(); else if (i == 7) code = m_io_kbd7->read(); if (code != 0) { if (i==0 && shift==0) { key_code = 0x30 + row_number(code) + 8*i; // for numbers and some signs } if (i==0 && shift==1) { key_code = 0x20 + row_number(code) + 8*i; // for shifted numbers } if (i==1 && shift==0) { if (row_number(code) < 4) { key_code = 0x30 + row_number(code) + 8*i; // for numbers and some signs } else { key_code = 0x20 + row_number(code) + 8*i; // for numbers and some signs } } if (i==1 && shift==1) { if (row_number(code) < 4) { key_code = 0x20 + row_number(code) + 8*i; // for numbers and some signs } else { key_code = 0x30 + row_number(code) + 8*i; // for numbers and some signs } } if (i>=2 && i<=4 && (shift ^ caps)==0 && ctrl==0) { key_code = 0x60 + row_number(code) + (i-2)*8; // for small letters } if (i>=2 && i<=4 && (shift ^ caps)==1 && ctrl==0) { key_code = 0x40 + row_number(code) + (i-2)*8; // for big letters } if (i>=2 && i<=5 && ctrl==1) { key_code = 0x00 + row_number(code) + (i-2)*8; // for CTRL + letters } if (i==5 && shift==1 && ctrl==0) { if (row_number(code)<7) { if (row_number(code)<3) { key_code = (caps ? 0x60 : 0x40) + row_number(code) + (i-2)*8; // for big letters } else { key_code = 0x60 + row_number(code) + (i-2)*8; // for upper symbols letters } } else { key_code = 0x40 + row_number(code) + (i-2)*8; // for DEL it is switched } } if (i==5 && shift==0 && ctrl==0) { if (row_number(code)<7) { if (row_number(code)<3) { key_code = (caps ? 0x40 : 0x60) + row_number(code) + (i-2)*8; // for small letters } else { key_code = 0x40 + row_number(code) + (i-2)*8; // for lower symbols letters } } else { key_code = 0x60 + row_number(code) + (i-2)*8; // for DEL it is switched } } if (i==6) { switch(row_number(code)) { /* case 0: key_code = 0x11; break; case 1: key_code = 0x12; break; case 2: key_code = 0x13; break; case 3: key_code = 0x14; break;*/ case 4: key_code = 0x20; break; // Space case 5: key_code = 0x0A; break; // LineFeed case 6: key_code = 0x09; break; // TAB case 7: key_code = 0x0D; break; // Enter } } if (i==7) { switch(row_number(code)) { case 0: key_code = 0x1B; break; // Escape case 1: key_code = 0x08; break; // Backspace } } retVal = key_code; } else { *scan_line += 1; if (*scan_line==8) { *scan_line = 0; } } } return retVal; } void generic_keyboard_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) { UINT8 new_code; new_code = keyboard_handler(m_last_code, &m_scan_line); if ((m_last_code != new_code) && (new_code)) send_key(new_code); m_last_code = new_code; } /*************************************************************************** VIDEO HARDWARE ***************************************************************************/ static MACHINE_CONFIG_FRAGMENT( generic_keyboard ) MACHINE_CONFIG_END machine_config_constructor generic_keyboard_device::device_mconfig_additions() const { return MACHINE_CONFIG_NAME(generic_keyboard); } void generic_keyboard_device::device_start() { m_keyboard_cb.resolve_safe(); m_timer = timer_alloc(); } void generic_keyboard_device::device_reset() { m_last_code = 0; m_scan_line = 0; m_timer->adjust(attotime::from_hz(2400), 0, attotime::from_hz(2400)); } /* Char Dec Oct Hex | Char Dec Oct Hex | Char Dec Oct Hex | Char Dec Oct Hex ------------------------------------------------------------------------------------- (nul) 0 0000 0x00 | (sp) 32 0040 0x20 | @ 64 0100 0x40 | ` 96 0140 0x60 (soh) 1 0001 0x01 | ! 33 0041 0x21 | A 65 0101 0x41 | a 97 0141 0x61 (stx) 2 0002 0x02 | " 34 0042 0x22 | B 66 0102 0x42 | b 98 0142 0x62 (etx) 3 0003 0x03 | # 35 0043 0x23 | C 67 0103 0x43 | c 99 0143 0x63 (eot) 4 0004 0x04 | $ 36 0044 0x24 | D 68 0104 0x44 | d 100 0144 0x64 (enq) 5 0005 0x05 | % 37 0045 0x25 | E 69 0105 0x45 | e 101 0145 0x65 (ack) 6 0006 0x06 | & 38 0046 0x26 | F 70 0106 0x46 | f 102 0146 0x66 (bel) 7 0007 0x07 | ' 39 0047 0x27 | G 71 0107 0x47 | g 103 0147 0x67 (bs) 8 0010 0x08 | ( 40 0050 0x28 | H 72 0110 0x48 | h 104 0150 0x68 (ht) 9 0011 0x09 | ) 41 0051 0x29 | I 73 0111 0x49 | i 105 0151 0x69 (nl) 10 0012 0x0a | * 42 0052 0x2a | J 74 0112 0x4a | j 106 0152 0x6a (vt) 11 0013 0x0b | + 43 0053 0x2b | K 75 0113 0x4b | k 107 0153 0x6b (np) 12 0014 0x0c | , 44 0054 0x2c | L 76 0114 0x4c | l 108 0154 0x6c (cr) 13 0015 0x0d | - 45 0055 0x2d | M 77 0115 0x4d | m 109 0155 0x6d (so) 14 0016 0x0e | . 46 0056 0x2e | N 78 0116 0x4e | n 110 0156 0x6e (si) 15 0017 0x0f | / 47 0057 0x2f | O 79 0117 0x4f | o 111 0157 0x6f (dle) 16 0020 0x10 | 0 48 0060 0x30 | P 80 0120 0x50 | p 112 0160 0x70 (dc1) 17 0021 0x11 | 1 49 0061 0x31 | Q 81 0121 0x51 | q 113 0161 0x71 (dc2) 18 0022 0x12 | 2 50 0062 0x32 | R 82 0122 0x52 | r 114 0162 0x72 (dc3) 19 0023 0x13 | 3 51 0063 0x33 | S 83 0123 0x53 | s 115 0163 0x73 (dc4) 20 0024 0x14 | 4 52 0064 0x34 | T 84 0124 0x54 | t 116 0164 0x74 (nak) 21 0025 0x15 | 5 53 0065 0x35 | U 85 0125 0x55 | u 117 0165 0x75 (syn) 22 0026 0x16 | 6 54 0066 0x36 | V 86 0126 0x56 | v 118 0166 0x76 (etb) 23 0027 0x17 | 7 55 0067 0x37 | W 87 0127 0x57 | w 119 0167 0x77 (can) 24 0030 0x18 | 8 56 0070 0x38 | X 88 0130 0x58 | x 120 0170 0x78 (em) 25 0031 0x19 | 9 57 0071 0x39 | Y 89 0131 0x59 | y 121 0171 0x79 (sub) 26 0032 0x1a | : 58 0072 0x3a | Z 90 0132 0x5a | z 122 0172 0x7a (esc) 27 0033 0x1b | ; 59 0073 0x3b | [ 91 0133 0x5b | { 123 0173 0x7b (fs) 28 0034 0x1c | < 60 0074 0x3c | \ 92 0134 0x5c | | 124 0174 0x7c (gs) 29 0035 0x1d | = 61 0075 0x3d | ] 93 0135 0x5d | } 125 0175 0x7d (rs) 30 0036 0x1e | > 62 0076 0x3e | ^ 94 0136 0x5e | ~ 126 0176 0x7e (us) 31 0037 0x1f | ? 63 0077 0x3f | _ 95 0137 0x5f | (del) 127 0177 0x7f */ INPUT_PORTS_START( generic_keyboard ) PORT_START("TERM_LINEC") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Caps Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_START("TERM_LINE0") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') PORT_START("TERM_LINE1") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') PORT_START("TERM_LINE2") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_END) PORT_CHAR('`') PORT_CHAR('@') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_START("TERM_LINE3") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') 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_M) PORT_CHAR('m') PORT_CHAR('M') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_START("TERM_LINE4") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_START("TERM_LINE5") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') 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_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('^') PORT_CHAR('~') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("DEL") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_START("TERM_LINE6") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("LF") PORT_CODE(KEYCODE_RALT) PORT_CHAR(10) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR(9) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_START("TERM_LINE7") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Escape") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) INPUT_PORTS_END ioport_constructor generic_keyboard_device::device_input_ports() const { return INPUT_PORTS_NAME(generic_keyboard); } const device_type GENERIC_KEYBOARD = &device_creator;