working revision 2 of //c board.
tested with //c model a2s4000, ca. 1983.
This commit is contained in:
Charles Mangin
parent
0e2600c53f
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d3eb9f3d01
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/* requires keypad library by Mark Stanley, Alexander Brevig from:
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http://www.arduino.cc/playground/Code/Keypad
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Uses the PJRC Teensy++ 2.0 and Teensyduino libraries, specifically USB HID and Keyboard():
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http://www.pjrc.com/teensy/teensyduino.html
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*/
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#include <Keypad.h>
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/*
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Declares the matrix rows/cols of the Apple IIe keyboard.
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More information here:
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http://apple2.info/wiki/index.php?title=Pinouts#Apple_.2F.2Fe_Motherboard_keyboard_connector
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*/
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const byte ROWS = 8; // rows
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const byte COLS = 10; // columns
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char keys[ROWS][COLS] = {
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{ KEY_ESC, KEY_1, KEY_2, KEY_3, KEY_4, KEY_6, KEY_5, KEY_7, KEY_8, KEY_9 },
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{ KEY_TAB, KEY_Q, KEY_W, KEY_E, KEY_R, KEY_Y, KEY_T, KEY_U, KEY_I, KEY_O},
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{ KEY_A, KEY_D, KEY_S, KEY_H, KEY_F, KEY_G, KEY_J, KEY_K, KEY_SEMICOLON, KEY_L},
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{ KEY_Z, KEY_X, KEY_C, KEY_V, KEY_B, KEY_N, KEY_M, KEY_COMMA, KEY_PERIOD, KEY_SLASH},
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{ 0, 0, 0, 0, 0, 0, KEY_BACKSLASH, KEY_EQUAL, KEY_0, KEY_MINUS},
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{ 0, 0, 0, 0, 0, 0, KEY_TILDE, KEY_P, KEY_LEFT_BRACE, KEY_RIGHT_BRACE},
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{ 0, 0, 0 , 0, 0, 0, KEY_ENTER, KEY_UP, KEY_SPACE, KEY_QUOTE},
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{ 0, 0, 0, 0, 0, 0, KEY_BACKSPACE, KEY_DOWN, KEY_LEFT, KEY_RIGHT},
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};
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/*
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Keyboard matrix
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X0 1 2 3 4 5 6 7 8 9
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Y0 ESC 1 2 3 4 6 5 7 8 9
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1 TAB Q W E R Y T U I O
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2 A D S H F G J K ; L
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3 Z X C V B N M < > ?
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4 \ + 0 -
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5 ~ P [ ]
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6 RET UP SPC "
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7 DEL DN LT RT
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Matrix
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J9 Teensy
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X0 31 26
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1 24 4
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2 22 5
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3 8 14
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4 14 17
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5 6 13
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6 10 15
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7 1 3
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8 4 12
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9 2 11
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Y0 12 16
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1 33 25
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2 18 7
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3 20 22
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4 3 2
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5 5 1
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6 7 0
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7 9 27
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NC 13
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17
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30
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GND 21
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SFT 34 24
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CTL 32 23
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CMD 16 8
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CMD 26 20
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CAPS 28 21
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J9 pinout
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1 X7
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2 X9
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3 Y4
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4 X8
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5 Y5
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6 X5
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7 Y6
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8 X3
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9 Y7
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10 X6
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11 DISK LED (5v)
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12 Y0
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13 NC
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14 X4
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15 KEYBOARD SW
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16 CLOSED APPLE
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17 NC
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18 Y2
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19 40/80 COL SWITCH
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20 Y3
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21 GROUND ???
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22 X2
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23 GROUND ???
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24 X1
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25 POWER LED (5v)
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26 OPEN APPLE
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27 LED GROUND ???
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28 CAPS LOCK
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29 RESET
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30 NC
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31 X0
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32 CONTROL
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33 Y1
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34 SHIFT
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*/
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byte rowPins[ROWS] = { // Y0 - Y9
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16,25,7,22,2,1,0,27}; //connect to the row pinouts of the keypad
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byte colPins[COLS] = { // X0 - X7
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26,4,5,14,17,13,15,3,12,11 }; //connect to the column pinouts of the keypad
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Keypad KPD = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
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const int SHIFTPin = 24; // the pin that the shift key is attached to
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const int CTRLPin = 23; // the pin that the control key is attached to
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const int APPLEPin1 = 43; // the pin that the open-apple key is attached to
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const int APPLEPin2 = 44; // the pin that the closed-apple key is attached to
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// these pins are special in that they are dis/connected to ground, instead of to a row/col
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/***
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open/closed apple are grounded through resistors on the //c. need to detect voltage drop as analogread, not digital.
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must be on analog pin.
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***/
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char modifierKeys[4];
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void setup(){
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pinMode(SHIFTPin, INPUT);
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pinMode(CTRLPin, INPUT);
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pinMode(APPLEPin1, INPUT);
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pinMode(APPLEPin2, INPUT);
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digitalWrite(APPLEPin1, HIGH);
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digitalWrite(APPLEPin2, HIGH);
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digitalWrite(SHIFTPin, HIGH);
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digitalWrite(CTRLPin, HIGH);
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}
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void loop()
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{
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char SHIFTState = digitalRead(SHIFTPin);
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if (SHIFTState == LOW) {
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modifierKeys[0] = MODIFIERKEY_SHIFT;
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digitalWrite(SHIFTPin, HIGH);
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} else {
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digitalWrite(SHIFTPin, HIGH);
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modifierKeys[0] = 0;
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}
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char CTRLState = digitalRead(CTRLPin);
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if (CTRLState == LOW) {
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modifierKeys[1] = MODIFIERKEY_CTRL;
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digitalWrite(CTRLPin, HIGH);
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} else {
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modifierKeys[1] = 0;
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digitalWrite(CTRLPin, HIGH);
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}
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char OAPPLEState = analogRead(APPLEPin2);
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char CAPPLEState = analogRead(APPLEPin1);
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// *** NOW USING CLOSED APPLE AS ALT/OPTION
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if (OAPPLEState < 20) {
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modifierKeys[2] = MODIFIERKEY_GUI;
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digitalWrite(APPLEPin1, HIGH);
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} else {
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modifierKeys[2] = 0;
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digitalWrite(APPLEPin1, HIGH);
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}
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if (CAPPLEState < 20) {
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modifierKeys[3] = MODIFIERKEY_ALT;
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digitalWrite(APPLEPin2, HIGH);
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} else {
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modifierKeys[3] = 0;
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digitalWrite(APPLEPin2, HIGH);
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}
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// to use the TILDE key as ALT/OPTION
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/* modifierKeys[3] = 0;
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if( KPD.isPressed(KEY_TILDE) ) {
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modifierKeys[3] = MODIFIERKEY_ALT;
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}
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*/
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// *** NOW USING CLOSED APPLE AS ALT/OPTION
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Keyboard.set_modifier( modifierKeys[0] | modifierKeys[1] | modifierKeys[2] | modifierKeys[3] );
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KPD.getKeys(); // Scan for all pressed keys. 6 Max, + 4 modifiers. Should be plenty, but can be extended to 10+
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// Set keyboard keys to default values.
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Keyboard.set_key1(0);
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Keyboard.set_key2(0);
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Keyboard.set_key3(0);
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Keyboard.set_key4(0);
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Keyboard.set_key5(0);
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Keyboard.set_key6(0);
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// Update keyboard keys to active values.
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if( KPD.key[0].kchar && ( KPD.key[0].kstate==PRESSED || KPD.key[0].kstate==HOLD ))
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Keyboard.set_key1( KPD.key[0].kchar );
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if( KPD.key[1].kchar && ( KPD.key[1].kstate==PRESSED || KPD.key[1].kstate==HOLD ))
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Keyboard.set_key2( KPD.key[1].kchar );
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if( KPD.key[2].kchar && ( KPD.key[2].kstate==PRESSED || KPD.key[2].kstate==HOLD ))
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Keyboard.set_key3( KPD.key[2].kchar );
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if( KPD.key[3].kchar && ( KPD.key[3].kstate==PRESSED || KPD.key[3].kstate==HOLD ))
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Keyboard.set_key4( KPD.key[3].kchar );
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if( KPD.key[4].kchar && ( KPD.key[4].kstate==PRESSED || KPD.key[4].kstate==HOLD ))
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Keyboard.set_key5( KPD.key[4].kchar );
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if( KPD.key[5].kchar && ( KPD.key[5].kstate==PRESSED || KPD.key[5].kstate==HOLD ))
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Keyboard.set_key6( KPD.key[5].kchar );
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Keyboard.send_now();
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Keyboard.set_modifier(0);
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}
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@ -21,38 +21,41 @@ Y0 ESC 1 2 3 4 6 5 7 8 9
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Matrix
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J9
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X0 31
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1 24
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2 22
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3 8
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4 14
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5 6
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6 10
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7 1
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8 4
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9 2
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Matrix
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J9 Teensy
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Y0 12
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1 33
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2 18
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3 20
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4 3
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5 5
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6 7
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7 9
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X0 31 26
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1 24 4
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2 22 5
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3 8 14
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4 14 17
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5 6 13
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6 10 15
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7 1 3
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8 4 12
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9 2 11
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Y0 12 16
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1 33 25
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2 18 7
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3 20 6
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4 3 2
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5 5 1
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6 7 0
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7 9 27
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NC 13
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17
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30
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GND 21
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SFT 34
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CTL 32
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CMD 16
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CMD 26
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CAPS 28
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GND 21
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SFT 34 24
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CTL 32 23
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CMD 16 8
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CMD 26 20
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CAPS 28 21
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zzzzzzzzzzzzzzzzbbbbb
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J9 pinout
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1 X7
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