;連線圖:*LCM---8031**LCM---8031**LCM------------8031* *DB0---P0.0**DB4---P0.4**RS-------------P2.0* *DB1---P0.1**DB5---P0.5**RW-------------P2.3* *DB2---P0.2**DB6---P0.6* *DB3---P0.3**DB7---P0.7**/RST----------- ;注:8031 ;列方向地址指針（用于LCDPOS子程序） ;行方向地址指針（用于LCDPOS子程序 0800H;P2.3CS1ADDREQU0400H;P2.2CS2ADDREQU0200H;P2.1RSADDREQU0100H;P2.0CSADDREQU8000H START:MOV MOVA,#55HCALLMOVDPTR,#STRING1CALLPUTSTRCALLPUTSTRJMPMAINCLRMOVCA,@A+DPTRINCDPTRMOVB,AINCACLRCJZGSC_LAXCLRAMOVCA,@A+DPTRINCDPTRSETBC CALLCALLGETSTRCHARPUSHDPLPUSHDPHJNCPSR_LAXJNB CALLHZKPOSCALLPUTCHARDOTCALLPUTCHARDOTJMPPSR_LBXCALLHZKPOSCALLPUTCHARDOTPOPDPHPOPDPLJMPPUTSTRPSR_LAX:POPDPHPOPDPLMOVR2,#5CLRCRLCAXCHA,BRLCAXCHA,BDJNZMOVDPTR,#HZKDOTADDA,DPLMOVDPL,AMOVA,BADDCA,DPHMOVDPH,AMOVR6,#2DLY_PA:MOVR5,#0DLY_PB:MOVR4,#0DJNZR4,$DJNZR5,DLY_PBDJNZR6,DLY_PA ;LCD整屏顯示A MOVYPOS,#0LFL_PB:MOVXPOS,#0LFL_PA:MOVA,R7CALLLCDWRITE;定位并寫數(shù)INC A,#128,LFL_PA;XPOS<128則循環(huán)（128列 ;YPOS<8則循環(huán)（8頁 ;定位并寫數(shù)據(jù)子程 ;寫數(shù)據(jù) ;XPOS64CS1 ;XPOS64則對(duì)CS2 MOVR7,#8CLRMOVCA,@A+DPTRCALLLCDWRITEINCYPOSINCDPTRCLRAMOVCA,@A+DPTRCALLLCDWRITEDECYPOSINCCALLCUSORNEXTMOVA,XPOSJNZPAC_LAXINCYPOSDJNZR7,PAC_PAANLYPOS,#7INCXPOSMOVA,XPOS MOVXPOS,#0INCYPOSMOVA,YPOSANLA,#0F8HJZCNT_LAXMOVYPOS,#0 ;XPOS64CS1 ;XPOS64則對(duì)CS2 ;LCD ;LCD ;送片1控制字子程PUSHDPHPUSH MOVDPTR,#CSADDR+CS1ADDR ;E=1CS1=1RS=0MOVX@DPTR,APOPDPLPOPDPH ;送片2控制字子程PUSHDPHPUSH MOVDPTR,#CSADDR+CS2ADDR ;E=1CS1=1RS=0MOVX@DPTR,APOPDPLPOPDPH ;1寫數(shù)據(jù)子程PUSHDPHPUSH MOVDPTR,#CSADDR+CS1ADDR+RSADDR ;E=1CS1=1RS=1MOVX@DPTR,APOPDPLPOPDPH ;2寫數(shù)據(jù)子程PUSHDPHPUSH MOVDPTR,#CSADDR+CS2ADDR+RSADDR ;E=1CS2=1RS=1MOVX@DPTR,APOPPOPDPH ;1讀數(shù)據(jù)子程PUSHDPHPUSH MOVDPTR,#CSADDR+CS1ADDR+RSADDR+RWADDR ;E=1CS1=1RS=1MOVXA,@DPTRPOPDPLPOPDPH ;2讀數(shù)據(jù)子程PUSHDPHPUSH MOVDPTR,#CSADDR+CS2ADDR+RSADDR+RWADDR ;E=1CS2=1RS=1MOVXA,@DPTRPOPDPLPOPDPHPUSHDPHPUSHDPLPUSHMOVDPTR,#CSADDR+CS1ADDR+RWADDR;E=1CS2=1RS=1WT1_PA:MOVXA,@DPTRJBPOPACCPOPDPLPOPPUSHDPHPUSHDPLPUSHMOVDPTR,#CSADDR+CS2ADDR+RWADDR;E=1CS2=1RS=1WT2_PA:MOVXA,@DPTRJBPOPACCPOPDPLPOPDPH DL4_PA:MOV DL4_PB: DJNZDJNZR1,DL4_PBDJNZR0,DL4_PA;(d3d0H)(有DB04H,04H,04H,02H,04H,01H,84H,00HDB0e4H,0ffH,3cH,09H,27H,09H,24H,09HDB24H,09H,24H,49H,24H,89H,0f4H,7fHDB24H,00H,06H,00H,04H,00H,00H,;(cfdeH)(限D(zhuǎn)B00H,00H,0feH,0ffH,02H,08H,22H,10HDB0daH,08H,06H,07H,00H,00H,0feH,0ffHDB92H,42H,92H,24H,92H,08H,92H,14HDB0ffH,22H,02H,61H,00H,20H,00H,00HDB00H,01H,00H,01H,80H,00H,40H,30HDB30H,28H,0cH,24H,00H,23H,0c0H,20HDB06H,20H,18H,28H,20H,30H,40H,60HDB80H,00H,80H,01H,80H,00H,00H,;(cbbeH)(司DB10H,00H,10H,00H,92H,3fH,92H,10HDB92H,10H,92H,10H,92H,10H,92H,10HDB0d2H,3fH,9aH,00H,12H,40H,02H,80HDB0ffH,7fH,02H,00H,00H,00H,00H,00HSTRING1:DB80H,00H,80H,01H,80H,02H,80H,03H,80H,00H,80H,01H,80H,02H,80H,03H,80H,00H,80H,01H,80H,02H,80H,03H,80H,00H,80H,01H,80H,02H,80H,03H,80H,00H,80H,01H,80H,02H,03H,80H,00H,80H,01H,80H,02H,80H,STRING2:DB80H,00H,80H,01H,80H,02H,80H,03H,80H,00H,80H,01H,