/* Include Header files  */
void VT100_puthex(unsigned char);
void VT100_Fill_Screen(unsigned char);
void InitializeVT100(void);
void VT100_ESC(void);
void VT100_Clear_Screen(void);
void VT100_Clear_Right (void );
void VT100_Clear_Line (void);
void VT100_Cursor_Up (unsigned char Xn);
void VT100_Cursor_Down (unsigned char Xn);
void VT100_Cursor_Right (unsigned char Yn);
void VT100_Cursor_Left (unsigned char Yn);
void VT100_Cursor_Position (unsigned char Xn, unsigned char Yn);
void VT100_Cursor_Index (void);
void VT100_Cursor_R_Index (void);
void VT100_Cursor_Home (void);
void VT100_Cursor_N_Line (void);