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1、建立CGRAM子程序COUNTEQU34H;西文字符(8×8点阵)个数CGRAM:MOVDAT1,#03H;设置CGRAM偏置地址为0003HMOVDAT2,#00HMOVCOM,#22HLCALLPR1MOVDAT1,#00H;设置CGRAM在显存中的地址为1C00HMOVDAT2,#1CHMOVCOM,#24HLCALLPR1MOVCOM,#0B0H;设置自动写方式LCALLPR12MOVA,COUNT;计算写入的字节数MOVB,#08HMULABMOVCOUNT,A;计算低8位数据INCB;计算高8位数据MO
2、VDPTR,#CGTAB;取字符库首地址PUSHDPH;存字符库指针PUSHDPLCGRAM1:LCALLST3;判断自动写状态POPDPL;取字符库指针POPDPHCLRAMOVCA,@A+DPTR;取数据INCDPTR;字符库指针加1PUSHDPH;存字符库指针PUSHDPLLCALLPR13;写入数据DJNZCOUNT,CGRAM1;计数循环DJNZB,CGRAM1MOVCOM,#0B2H;写入“结束自动写”指令LCALLPR12POPACC;修正栈指针POPACCRETCGTAB:DB000H,040H,0
3、37H,010H,081H,061H,022H,00AH;“液”=80HDB016H,02BH,0E2H,022H,022H,022H,023H,022HDB080H,044H,0FEH,020H,020H,03CH,044H,064HDB098H,048H,050H,020H,050H,08EH,004H,000HDB00FH,008H,008H,00FH,008H,008H,00FH,008H;“晶”=84HDB07EH,042H,042H,07EH,042H,042H,07EH,042HDB0E0H,020H
4、,020H,0E0H,020H,020H,0E0H,024HDB0FEH,084H,084H,0FCH,084H,084H,0FCH,084H