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AVR Interrupts

Each of the pins on the AVR may have multiple functions. For example, pin D0 and D1 are able to serve as receive and transmit pins for serial port one, respectively. Similarly, a number of pins on the AVR are able to transmit interrupt requests to the CPU when they receive a particular signal. How to implement this functionality is shown below.

Register Summary

Register Name	Purpose of Register
PCICR	Pin Change Interrupt Control Register (Enable interrupts for a particular set of PCINT ports)
PCIFR	Pin Change Interrupt Flag Register (When a logic change triggers an interrupt on a particular PCINT pin, the corresponding flag will be set)
PCMSK0	Pin Change Mask Register (Select whether interrupts are enabled on a particular PCINT pin)

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; Include constants for the ATMega324A micro-controller
; This file defines register names and names for I/O ports
.include "m324adef.inc"

; Attempt to perform operations on multi-byte values
; It is assumed the following values are unsigned
; First value = r15:r14 = 0xF8AD
; Second value = r17:r16 = 0xFFDE
START:
ldi r19, 0xF8

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var gulp = require('gulp');
var uncss = require('gulp-uncss');
var spawn = require('child_process').spawn;
var cleanCSS = require('gulp-clean-css');

gulp.task('default', function() {
  console.log("### Please run 'gulp build', then 'gulp clean'.");
});

gulp.task('build', function() {

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// When DOM elements are ready, excluding images
$(document).ready(function () {
  // Check if URL references specific category
  if (window.location.hash && window.location.hash.indexOf('#') > -1) {
    openCategory(window.location.hash.substring(1));
  }

  // Unveil images 50px before they appear
  $('img').unveil(50);
});

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<text>

    ```java
    <code>
    ```
(Documentation [here](https://guides.github.com/features/mastering-markdown/#GitHub-flavored-markdown))

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#metro {
  color: white;
  display: table;
  float: right;
  height: 30%;
  margin-top: 20px;
  width: 75%;

  @for $i from 1 through length($colors) {
    .metro-box:nth-of-type(#{$i}) {

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# encoding: UTF-8
# This file is auto-generated from the current state of the database. Instead
# of editing this file, please use the migrations feature of Active Record to
# incrementally modify your database, and then regenerate this schema definition.
#
# Note that this schema.rb definition is the authoritative source for your
# database schema. If you need to create the application database on another
# system, you should be using db:schema:load, not running all the migrations
# from scratch. The latter is a flawed and unsustainable approach (the more migrations
# you'll amass, the slower it'll run and the greater likelihood for issues).

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[22:58:52 ERROR]: ------------------------------
[22:58:52 ERROR]: Current Thread: Server console handler
[22:58:52 ERROR]:       PID: 19 | Suspended: false | Native: true | State: RUNNABLE
[22:58:52 ERROR]:       Thread is waiting on monitor(s):
[22:58:52 ERROR]:               Locked on:java.io.BufferedInputStream.read(BufferedInputStream.java:265)
[22:58:52 ERROR]:               Locked on:org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:267)
[22:58:52 ERROR]:               Locked on:org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:204)
[22:58:52 ERROR]:       Stack:
[22:58:52 ERROR]:               java.io.FileInputStream.readBytes(Native Method)
[22:58:52 ERROR]:               java.io.FileInputStream.read(FileInputStream.java:234)

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Windows PowerShell
Copyright (C) 2009 Microsoft Corporation. All rights reserved.

C:\Users\psgs\Documents\GitHub\gitchain [master]> make prepare
C:\Users\psgs\Documents\GitHub\gitchain [master]> make
main.go:14:2: cannot find package "github.com/gitchain/gitchain/server" in any o
f:
        C:\Go\src\pkg\github.com\gitchain\gitchain\server (from $GOROOT)
        C:\Users\psgs\GoRoot\src\github.com\gitchain\gitchain\server (from $
GOPATH)

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/**
 * Code by djazz as part of his Minecraft Skin Viewer
 * http://djazz.mine.nu/apps/MinecraftSkin/
 */
var MSP = (function (global, undefined) {
    'use strict';
    // shim layer with setTimeout fallback
    window.requestAnimFrame = (function () {
        return  window.requestAnimationFrame ||
            window.webkitRequestAnimationFrame ||