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# CHIP-8 emulator, work in progress

# RAM array: 4 kilobytes (4096 unsigned 8-bit integers). First 512 elements are taken up by the interpreter, 0x200 to 0xFFF are free.

ram = bytearray(4096)

# Variable registers: 16 8-bit variable registers. Referred to as VX, where X is a hexadecimal digit (V0, VF, etc.)

v = bytearray(16)  # VX = v[x], where x is a number between 0 and 15 (corresponding to 0 through F)

rebeccapaz

-- The results of Joins are equivalent to everything that evaluates to true in these comparisons:

-- INNER JOIN:
-- "A && B" == "A and also B"

-- FULL JOIN:
-- "A || B" == "A or B or both"

-- LEFT JOIN:
-- "A || (A && B)" == "A with or without B"

rebeccapaz

nerve-gulpfile () {
  echo "// using https://github.com/gulpjs/gulp/blob/master/docs/recipes/fast-browserify-builds-with-watchify.md
  var gulp = require('gulp');

  // browserify + watchify
  var browserify = require('browserify');
  var watchify = require('watchify');

  // other stuff for watchify
  var source = require('vinyl-source-stream');

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/*global describe, it */
'use strict';

(function () {

  describe('Chip8', function () {

    describe('RAM', function () {
      it('has 4096 bytes', function () {
        expect(Chip8.ram.length).toEqual(4096);

rebeccapaz

New React Project Checklist

This is a list of things you need to accomplish to start up a new React project.

Have you...

1. Run git init?
2. Run npm init?
3. Created .gitignore?
4. Made sure node_modules is in .gitignore?
5. Installed React? npm install react --save

rebeccapaz

Intent

This is a template for a new pull request (PR). There are particular expectations upon engineers for communicating their changes to reviewers in a proper and useful manner. This template intends to make this as easy as possible and to reduce the amount of times that a reviewer has to go over the PR.

Template

**References [ticket-name](ticket-link).**

### Original Problem

rebeccapaz

api_test_from_scratch () {
  RAILS_ENV=test ruby test/create_test_databases.rb
  RAILS_ENV=test bundle exec rake db:test:prepare
  RAILS_ENV=test bundle exec rake db:schema:load
  RAILS_ENV=test bundle exec rake test $1
}

api_test_from_scratch TEST=./test/controllers/heartbeat_controller_test.rb

rebeccapaz

New JIRA Ticket Template

This is a template for creating a new JIRA ticket. It explains the problem in question and the motivation for addressing it, as well as the requirements for this ticket being "completed" expressed in one or two sentences.

Native JIRA format:

h3. Problem

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-------------------------------------------------------------------------------
§6-1-2	Timbre - SSG Sound Source Options
-------------------------------------------------------------------------------

	The MML compiler has 10 built-in envelopes for the SSG sound source, applicable with the E command.

	The following envelopes are available:
@0	E0,0,0,0	Default
@1	E2,-1,0,1	Synth type 1
@2	E2,-2,0,1	Synth type 2

rebeccapaz

(ns libwar.domain)

;; Domain data structures and knowledge for war.

;; A War game

;; War has two players, and current state.

(def war-example
  {:p1 {:deck [{:type :red