basic interpreter wip

assets/JS_INIT.js

@@ -0,0 +1,40 @@
+// standard print functions
+function print(s) {
+    vm.print(s);
+}
+function println(s) {
+    if (typeof s == "undefined")
+        vm.print("\n");
+    else
+        vm.println(s);
+}
+function read() {
+    return vm.read();
+}
+// ncurses-like terminal control
+var con = new Object();
+con.getch = function() {
+    return vm.readKey();
+};
+con.move = function(y, x) {
+    print(String.fromCharCode(27,91)+y+";"+x+"H");
+};
+con.addch = function(c) {
+    graphics.putSymbol(c);
+};
+con.mvaddch = function(y, x, c) {
+    move(y, x); addch(c);
+};
+con.getmaxyx = function() {
+    return graphics.getTermDimension();
+};
+con.getyx = function() {
+    return graphics.getCursorYX();
+};
+Object.freeze(con);
+// system management  function
+var sys = new Object();
+sys.maxmem = function() {
+    return vm.peek(-65) | (vm.peek(-66) << 8) | (vm.peek(-67) << 16) | (vm.peek(-68) << 24);
+};
+Object.freeze(sys);