First web implementation draft of the draft

web/esop-web-app.js

@@ -0,0 +1,28 @@
+//app part not related to ESOP JS implementation
+
+function main() {
+  var devCfg = { 
+    audio: window.audioContext || window.webkitAudioContext,
+    canvas: document.getElementById('C') //JS-specific implementation canvas DOM reference
+  }
+
+  document.getElementById('apprun').addEventListener('click', function() {
+    var fileObj = document.getElementById('appselect').files[0]
+    if(fileObj.name.endsWith('.eso')) {
+      var rdr = new FileReader()
+      rdr.onload = function() {
+        var vm = UxnCore()
+        var ext = ESOPExtensions()
+        vm.boot()
+        ext.setup(vm, devCfg)
+        vm.load(new Uint8Array(rdr.result))
+        console.log('VM started')
+        vm.start(0x100)
+      }
+      rdr.readAsArrayBuffer(fileObj)
+    }
+    else window.alert('Please select an .eso file to run on ESOP')
+  })
+}
+
+addEventListener('DOMContentLoaded', main)