Added comments and help commands to user apps

maze.c

@@ -1,9 +1,11 @@
 #include "types.h"
 #include "user.h"
 
+// User app for generating a simple maze similar to the c64 version using the border ascii characters
+// This doesnt seem to work on the azure server but left in since i did the work on it...
 uint rngnumber(void)
 {
-  // Take from http://stackoverflow.com/questions/1167253/implementation-of-rand
+  // Taken from http://stackoverflow.com/questions/1167253/implementation-of-rand
   static unsigned int z1 = 12345, z2 = 12345, z3 = 12345, z4 = 12345;
   unsigned int b;
   b  = ((z1 << 6) ^ z1) >> 13;
@@ -44,12 +46,24 @@ int main(int argc, char *argv[]) {
         {
             seed = atoi(argv[i + 1]);
         }
+        else if (strcmp(argv[i],  "-help") == 0)
+        {
+            printf(1, "Generates X lines of random maze.\n");
+            printf(1, "Options:\n");
+            printf(1, "-l [Number] : Sets number of lines to generate for the maze.\n");
+            printf(1, "-s [Number] : Sets the current seed for the random function.\n");
+            exit();
+            return 0;
+        }
     }
     
     cls();
-    greeting();
-    printf(1, "Start Maze\n");
-
+    
+    printf(1, "Start Maze (DISABLED)\n");
+    printf(1, "This does not work on the azure servers, but it would generate a random x lines of characters to look like a maze, similar to the old c64 basic program.\n");
+    printf(1, "I could have used the slashes but they look aweful in this font so use the count app instead.\n\n");
+    exit();
+    
     char mazeline[80];
     for (int y = 0; y < lines; y++)
     {        
@@ -83,5 +97,6 @@ int main(int argc, char *argv[]) {
         sleep(10);
     }
     printf(1, "Maze Ended\n");
+    
     exit();
 }