The instruction

     SPxPoll2   0,!CPU

will return the board’s current Firmware revision in U0 and U1. U0 is the major revision and U1 is the minor revision. Both numbers should be interpreted as unsigned decimal numbers (each is a byte, 0 thru 255).

Examples

Display firmware version on the character LCD:

   OBLCD_SetCur      0,0             ;Prepare LCD
   OBLCD_Text        "F/ware: "      ;Show a title
   SPxPoll2          0,!CPU          ;Get f/ware rev
   PushU             1               ;Minor f/w
   PushU             0               ;Major f/w
   OBLCD_UDecDispXVW                 ;Display major
   OBLCD_Text        "."             ;Show a point
   OBLCD_UDecDispXVW                 ;Display minor

Display the firmware version on the touch screen LCD:

   SPxPoll2          0,!CPU          ;Get f/ware rev
   PushU             1               ;Minor f/w (into X)
   PushU             0               ;Major f/w (into X, minor now in Y)
   #HMI              Print( "F/W V", b(=x), ".", b(=y) )  ;Display the version