MOVLW 0X35      ; Load WREG with 0x35
MOVWF FSR       ; Move WREG (0x35) to FSR (File Select Register)

MOVLW 0XFF      ; Load WREG with 0xFF
MOVWF INDF      ; Move WREG (0xFF) to the memory location pointed by FSR

MOVLW 0XFD      ; Load WREG with 0xFD
MOVWF 0x31      ; Move WREG (0xFD) to register 0x31

INCF 0x31,1     ; Increment register 0x31 (0xFD + 1 = 0xFE) and store the result in 0x31