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mrveeramrveera
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Added following abilities
 1. Save program to file 2.Load program from file
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‎README.md‎

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# Simple 8-bit Assembler Simulator
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A simulator which provides a simplified assembler syntax (based on NASM) and is simulating a x86 like cpu. Press Help inside the simulator to see an overview about the supported instructions.
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####<a href="http://schweigi.github.io/assembler-simulator/index.html" target="_blank">TRY IT ONLINE</a>
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####<a href="http://veera83372.github.io/assembler-simulator/index.html" target="_blank">TRY IT ONLINE</a>
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### Features
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- 8-bit CPU
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Make sure you have <a href="http://www.gruntjs.com/" target="_blank">Grunt</a> installed to compile the `asmsimulator.js` script.
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Run `grunt` to build the project.
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### Background
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A technical introduction is available on my blog: [www.mschweighauser.com](https://www.mschweighauser.com/make-your-own-assembler-simulator-in-javascript-part1/).
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### License
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**The MIT License**
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Copyright (c) 2015 Marco Schweighauser
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Copyright (c) 2015 Marco Veera
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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‎assets/asmsimulator.js‎

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var indirectRegisterAddress = function(value) {
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var reg = value % 8;
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var base;
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if (reg < self.gpr.length) {
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base = self.gpr[reg];
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} else {
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base = self.sp;
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}
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var offset = Math.floor(value / 8);
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if ( offset > 15 ) {
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offset = offset - 32;
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}
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return base+offset;
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};
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if (self.ip < 0 || self.ip >= memory.data.length) {
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throw "Instruction pointer is outside of memory";
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}
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var regTo, regFrom, memFrom, memTo, number;
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var instr = memory.load(self.ip);
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switch(instr) {
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try {
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$scope.reset();
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$scope.code=angular.element($('#sourceCode')).val();
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var assembly = assembler.go($scope.code);
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$scope.mapping = assembly.mapping;
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var binary = assembly.code;

‎favico.ico‎

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‎fontHack.js‎

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‎hello.asm‎

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veera

‎index.html‎

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<!DOCTYPE html>
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<html ng-app="ASMSimulator">
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<head>
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<title>Simple 8-bit Assembler Simulator in Javascript</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<script src="fontHack.js"> </script>
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">
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<link rel="stylesheet" href="assets/style.css">
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<script type="text/javascript" src="//use.typekit.net/tor0zlh.js"></script>
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<script type="text/javascript">try{Typekit.load();}catch(e){}</script>
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<link rel="shortcut icon" href="./favico.ico" />
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<!-- <script src="https://use.typekit.net/hpv3aoy.js"></script> -->
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<script>try{Typekit.load({ async: true });}catch(e){}</script>
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<!-- <script type="text/javascript" src="//use.typekit.net/tor0zlh.js"></script>
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<script type="text/javascript">try{Typekit.load();}catch(e){}</script> -->
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<script type="text/javascript">
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function download( type) {
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var text = document.getElementById('sourceCode').value;
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var name = prompt('enter the file name');
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if(name != null && name !=''){
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name = name + ".asm";
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}else{
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alert("please enter the file name to save file");
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return;
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}
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var a = document.getElementById("a");
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var file = new Blob([text], {type: type});
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a.href = URL.createObjectURL(file);
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a.download = name;
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document.getElementById('a').click();
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}
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function readSingleFile(evt) {
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//Retrieve the first (and only!) File from the FileList object
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var f = evt.target.files[0];
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if (f) {
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var r = new FileReader();
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r.onload = function(e) {
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var contents = e.target.result;
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document.getElementById('sourceCode').value= contents;
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}
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r.readAsText(f);
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} else {
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alert("Failed to load file");
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}
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}
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</script>
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</head>
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<body ng-controller="Ctrl">
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<a href="https://github.com/Schweigi/assembler-simulator"><img style="z-index:1001;position: absolute; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_red_aa0000.png" alt="Fork me on GitHub"></a>
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<a href="https://github.com/veera83372/assembler-simulator"><img style="z-index:1001;position: absolute; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_red_aa0000.png" alt="Fork me on GitHub"></a>
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<nav class="navbar navbar-inverse" role="navigation" style="background-color:#428BCA;border:0px;border-radius:0px;">
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<div class="container">
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<div class="navbar-header">
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</div>
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<button type="button" class="btn btn-default navbar-btn" ng-click="reset()">Reset</button>
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</div>
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<div class="navbar-header navbar-right">
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<a class="navbar-brand" style="color:#FFFFFF">Simple 8-bit Assembler Simulator</a>
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</div>
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<div class="panel-heading">
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<h4 class="panel-title">Code <small>(<a href="./instruction-set.html" target="_blank" style="color: #337AB7">Instruction Set</a>)</small></h4>
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</div>
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<div class="panel-body">
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<div class="container">
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<div class="row">
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<div class="col-md-1">
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<button class="btn btn-default" onclick="download('text/plain')">Save file</button>
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</div><div class="col-md-4"><input class="btn btn-default" type="file" id="file-name" />
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</div><div class="col-md-3"> <button type="button" class="btn btn-default" ng-click="assemble()">Assemble</button></div>
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</div>
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</div>
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<br>
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<form role="form">
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<textarea id="sourceCode"
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class="form-control source-code"
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style="margin-bottom:5px;"
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rows="35"
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tab-support
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select-line
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ng-model="code"></textarea>
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<button type="button" class="btn btn-default" ng-click="assemble()">Assemble</button>
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ng-model="code" ></textarea>
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</form>
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<a href=""id="a"></a>
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</div>
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</div>
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</div>
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<small>{{ m | number:displayHex }}</small>
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</a>
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</div>
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<!-- <div ><small>{{$index | number:displayHex}}</small>
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<hr></div> -->
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</div>
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</div>
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<p style="margin-top:5px;">
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<a ng-click="displayHex = true" ng-hide="displayHex">Hex</a>
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<a ng-click="displayHex = false" ng-show="displayHex">Decimal</a>
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<br>
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Register addressing:
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Register addressing:
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<span style="margin-left:5px;">A:</span>
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<a ng-click="displayA = true" ng-hide="displayA">Show</a>
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<a ng-click="displayA = false" ng-show="displayA">Hide</a>
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</div>
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</div>
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<hr style="margin-top:10px;margin-bottom:10px;"/>
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<p><small>by Marco Schweighauser (2015) | MIT License | <a href="https://www.mschweighauser.com/make-your-own-assembler-simulator-in-javascript-part1/" target="_blank">Blog</a></small></p>
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<p>forked from Author : <a href="https://github.com/Schweigi/assembler-simulator" target="_blank"> Schweigi</a> and modified by : veera</small> </p>
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</div>
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<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.10/angular.min.js"></script>
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<script src="assets/asmsimulator.js"></script>
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<script src="https://code.jquery.com/jquery-3.0.0.min.js"></script>
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<script type="text/javascript">
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document.getElementById('file-name').addEventListener('change', readSingleFile, false);</script>
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</body>
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</html>

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