IPST-SE and Wireless-X Make a BUG BOT

#include <ipst.h>
unsigned char x;
void setup(){
  pinMode(2,INPUT_PULLUP);
  Serial1.begin(9600);
  setTextSize(3);
  glcdMode(0);
  setTextColor(GLCD_RED);     glcd(0,0,"I");
  setTextColor(GLCD_YELLOW);  glcd(0,1,"P");
  setTextColor(GLCD_WHITE);   glcd(0,2,"S");
  setTextColor(GLCD_BLUE);    glcd(0,3,"T");
  setTextColor(GLCD_PINK);    glcd(0,4,"-");
  setTextColor(GLCD_WHITE); glcd(0,5,"S");
  setTextColor(GLCD_WHITE);    glcd(0,6,"E");
  setTextSize(4);
  setTextColor(GLCD_YELLOW); glcd(1,0,"BUG");
  setTextColor(GLCD_VIOLET); glcd(2,2,"BOT");
  glcdFillRect(0,115,128,10,GLCD_RED);
  glcdFillCircle(35,145,10,GLCD_YELLOW);
  glcdFillCircle(65,145,10,GLCD_MAGENTA);
  glcdFillCircle(95,145,10,GLCD_SKY);
}
void loop(){
   while(Serial1.available()>0){
       x=Serial1.read();
   }
    switch (x){
      case 0x01: bk(60);break;
      case 0x02: sr(60);break;
      case 0x04: sl(60);break;
      case 0x08: fd2(60,60);break;
      case 0x81: bk(100);break;
      case 0x40: out(24,1);break;
      case 0x20: out(24,0);break;
      case 0x82: sr(100);break;
      case 0x84: sl(100);break;
      case 0x88: fd2(100,100);break;
      default: ao();
     }
}