whats rong with it

hi friends,

this is part of the code used to read the binary data from a motorola Oncore gps timing RX (they do/did a version that can output 10Khz as well).

its got 4 errors so plz tell me what is bad

GetRx
   call   readst      ; read receiver data string
   iorlw   0      ; test W, 0 = checksum good
   btfss   status,z   ; if read error do not update lcd
   return
      ; Call again for second string
   call   readst      ; read receiver data string
   iorlw   0      ; test W, 0 = checksum good
   btfss   status,z
   return
      ; if read error do not update lcd
   MOVLW   0x01       ; Clear LCD
        CALL    cout
   CALL   chkbsy

   movf   day,w      ;Send date
   call   p_bin
   movlw   '-'
   call   dout
   movf   month,w
   call   p_bin
   movlw   '-'
   call   dout
   movf   year_hb,w
   movwf   hbyte
   movf   year_lb,w
   movwf   lbyte
   call   bin2bcd
   call   p_4      ; send 4 lsd from "R" reg to LCD

   movlw   ' '      ; send space
   call   dout

   movf   hour,w      ; send time
   return