docs: fixing example and updating readme

README.md

@@ -1,6 +1,44 @@
 # parser-6502
 Parser for 6502 assembler
 
+This is a parser written in javascript that will parse assembler written for the [6502 8-bit microprocessor](https://en.wikipedia.org/wiki/MOS_Technology_6502).
+
 [![Build Status](https://travis-ci.org/emkay/parser-6502.svg?branch=master)](https://travis-ci.org/emkay/parser-6502)
 [![Standard - JavaScript Style Guide](https://img.shields.io/badge/code%20style-standard-brightgreen.svg)](http://standardjs.com/)
 [![Standard Version](https://img.shields.io/badge/release-standard%20version-brightgreen.svg)](https://github.com/conventional-changelog/standard-version)
+
+## Usage
+
+```javascript
+const fs = require('fs')
+const parser = require('parser-6502')
+const input = fs.readFileSync('./asm.s', 'utf-8')
+const result = parser(input)
+
+console.log(result)
+```
+
+## API
+
+### result = parser(input)
+
+```javascript
+[
+  {
+    "directive": ".db",
+    "args": [
+      {
+        "binary": "00000001"
+      }
+    ]
+  }
+]
+```
+
+## Installation
+
+`npm i paser-6502`
+
+## License
+
+MIT

example/index.js

@@ -1,5 +1,5 @@
 const fs = require('fs')
-const parser = require('.')
-const input = fs.readFileSync('./example.s', 'utf-8')
+const parser = require('..')
+const input = fs.readFileSync(`${__dirname}/example.s`, 'utf-8')
 const r = parser(input)
-console.log(r)
+console.log(r[102].args)