MOV R3,#64 ; 64 BYTES TO BE ERASED 
             MOV FMCON,#00H ; "LOAD" COMMAND 
             MOV FMADRH,#04H; ADDRESS HIGH 
             MOV FMADRL,#40H; ADDRESS LOW 
LOAD_PAGE1:  MOV FMDATA,#32H ; TO WRITE "32H" TO ADDRESS 0440H
             DJNZ R3,LOAD_PAGE1; TO 0480H
             RET