impl of screen ghosting

assets/tvdos/command.js

@@ -0,0 +1,30 @@
+var DOS_VERSION = "1.0";
+var PROMPT_TEXT = ">";
+var CURRENT_DRIVE = "A";
+
+var shell_pwd = [""];
+
+var welcome_text = "TSVM Disk Operating System, version " + DOS_VERSION;
+
+function get_prompt_text() {
+    return CURRENT_DRIVE + ":\\\\" + shell_pwd.join("\\\\") + PROMPT_TEXT;
+}
+
+function greet() {
+    println(welcome_text);
+    println();
+}
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+println("Starting TVDOS...");
+
+greet();
+
+while (true) {
+    print(get_prompt_text());
+    var s = read();
+    println();
+    println("String read: " + s + "@");
+}