我这是数控直流电压器的程序,并用LED显示的.怎么改成用LCD显示的啊?谁能帮我一下,谢谢了.

ORG2000HAJMPSTARTORG2040 :MOVR4,#00hMOVR0,#50 ,#0A002HMOVXANLA,#0FHJZWAITMOVA,# ,AMOVDPTR,#0A000HMOVXMOVR1,AANLA,#07HMOVB,#08HMULABXCHA,R1ANLA,# ,AINCR0XRLA,#0CHJZSTARTMOVA,R5XRLA,#0FHJZOUT0832MOVA,R5XRLA,#0DHJZL1LCALLDISLEDINCR4SJMPWAITL1:LCALLDISLED1INCR4SJMPWAITOUT0832:MOVR0,#50HMOVMOVB,#100MULABMOVR2,AINCR0MOVMOVB,#10MULABINCR0ADDADDA,R2MOVDPTR,#TAB1MOVCMOVDPTR,# ,AMOVR3,#01DJNZR3,OUT0832SJMPWAITRETINIT8279:MOVDPTR,#0A002HMOVA,# ,AMOVA,# ,AMOVA,# ,A ,#0A002HMOVA,# ,AMOVDPTR,#LEDSEGMOVA,R5MOVCMOVDPTR,# ,ARETDISLED1:MOVDPTR,#0A002HMOVA,# ,AMOVDPTR,#LEDSEGMOVA,R5MOVCORLA,#80HMOVDPTR,# ,A ,06H,5BH,4FH,66H,6DH,7DH,07HDB7FH,6FH,77H,7CH,39H,5EH,79H,71HTAB1:db00h,06h,0bh,10h,15h,1ah,20h,25h,2ah,2fh,34hdb39h,3eh,43h,48h,4dh,52h,57h,5ch,62h,67hdb6ch,71h,76h,7bh,80h,85h,8ah,8fh,94h,9ahdb9fh,0a4h,0a9h,0aeh,0b3h,0b8h,0bdh,0c2h,0c7h,0cchdb0d2h,0d7h,0dch,0e1h,0e6h,0ebh,0f0h,0f5h,0fah,0ffhEND