making bootloader to load the dos kernel to run a shell

assets/tvdos/TVDOS.SYS

@@ -1,11 +1,11 @@
-// Boot script
+// define TVDOS
 var _TVDOS = {};
 _TVDOS.VERSION = "1.0";
 _TVDOS.DRIVES = {}; // Object where key-value pair is <drive-letter> : [serial-port, drive-number]
 // actually figure out the drive letter association
 // Drive A is always the device we're currently on
 _TVDOS.DRIVES["A"] = _BIOS.FIRST_BOOTABLE_PORT;
-
+//TODO
 
 
 Object.freeze(_TVDOS);
@@ -53,4 +53,16 @@ filesystem.readAll = function(driveLetter) {
     }
     return com.pullMessage(port[0]);
 };
-Object.freeze(filesystem);
+Object.freeze(filesystem);
+
+///////////////////////////////////////////////////////////////////////////////
+
+// install other stuffs
+filesystem.open("A", "tvdos/gl.js", "R");
+var GL = eval(filesystem.readAll("A"));
+
+///////////////////////////////////////////////////////////////////////////////
+
+// Boot script
+filesystem.open("A", "tvdos/command.js", "R");
+eval(filesystem.readAll("A"));

assets/tvdos/flsh.js

@@ -7,11 +7,11 @@ const welcome_text = "TSVM Disk Operating System, version " + _TVDOS.VERSION;
 function print_prompt_text() {
     // oh-my-zsh-like prompt
     con.color_pair(239,161);
-    print(" "+CURRENT_DRIVE);
+    print(" "+CURRENT_DRIVE+":");
     con.color_pair(161,253);
     con.addch(16);
     con.color_pair(0,253);
-    print("\\"+shell_pwd.join("\\"));
+    print(" \\"+shell_pwd.join("\\")+" ");
     con.color_pair(253,255);
     con.addch(16);
     con.addch(32);

assets/tvdos/gl.js

@@ -101,4 +101,4 @@ GL.drawSpriteOver = function(sheet, xi, yi, x, y) {
     }
 };
 
-Object.freeze(GL);
+Object.freeze(GL); // this returns frozen 'GL'