XOB 16
    SASI 0
             10
    EXOB

    TEXT 10   "UART:9600,8,N,1;"
                     "MODE:MC0;"
                     "DIAG:F1000,R1000;"
    COB   0
               0
    ACC   E
    JR       H OUTRS
    STL    I 32
    JR       H PAUSA
    STL    I 33
    JR       H FINE
    LD      R 0
               98                ; Carattere inviato dal PLC = 'b'
    STXD 0                  ; Seleziona la COM1
               R 0               ; Dato sul registro R0
    JPD    FINE
    PAUSA:  LD    R 1
                            255
                 BITO  8
                            R 1
                            O 48
    JPD    FINE
    OUTRS:  LD    R 1
                            129
                 BITO  8
                            R 1
                            O 48
    FINE:
    
    ECOB