16_16点阵程序.doc

; *; * *; * 单个16*16点阵电子屏字符显示器 * ; * AT89C52 12MHz晶振 * ; * 2005.6.8 * ; *;显示字用查字法，不占内存，字符用16*16共阳极LED点阵，;效果：向上滚动显示19个字，再重复循环。;R1：查表偏址寄存器，B：查表首址，R2：扫描地址（从00H0FH）。;R3：滚动显示时控制移动速度，单字显示可控制静止显示时间。;*;中断入口程序；;*;ORG 0000HLJMP STARTORG 0003HRETIORG 000BHLJMP INTT0ORG 0013HRETIORG 001BHRETIORG 0023HRETIORG 002BHRETI;*;初始化程序;*;*;主程序;*;START: MOV 20H,#00H ;清标志，00H为第16行开始扫描标志， ;01为一帧扫描结束标志 MOV A,#0FFH ;端口初始化 MOV P1,A MOV P2,A MOV P3,A MOV P0,A CLR P1.6 ;串行寄存器输入打入输出控制位 MOV TMOD,#01H ;使用T0作16位定时器，行扫描用 MOV TH0,#0FCH ;1ms初值（12MHz） MOV TL0,#18H MOV SCON,#00H ;串口0方式传送显示字节 MOV IE,#82H ;T0中断允许，总中断允许 MOV SP,#70H MAIN: LCALL DIS1 ;显示准备，黑屏，1.5s MOV DPTR,#TAB LCALL MOVDISP ;向上滚动显示一页（8个字） INC DPH LCALL MOVDISP ;向上滚动显示一页（8个字） INC DPH LCALL MOVDISP ;向上滚动显示一页（8个字） INC DPH LCALL MOVDISP ;向上滚动显示一页（8个字） INC DPH LCALL MOVDISP ;向上滚动显示一页（8个字） AJMP MAIN;*;多字滚动显示子程序;*;每次8个字，入口时定义好DPTR;MOVDISP: MOV B,#00H ;向上移动显示，查表偏址暂存（从00开始）DISLOOP: MOV R3,#07H ;移动速度DISMOV: MOV R2,#00H ;从第0行开始 MOV R1,B SETB TR0 ;开扫描（每次一帧）WAITMOV:JBC 01H,DISMOV1 ;标志为1扫描一帧结束（16ms为一帧，每行1ms） AJMP WAITMOV DISMOV1:DJNZ R3,DISMOV ;一帧重复显示（控制移动速度） INC B ;显示下一行（每行2字） INC B MOV A,R1 ;R1为0，8个字显示完 JZ MOVOUT AJMP DISLOOPMOVOUT:RET ;移动显示结束;*;单字显示子程序;*;显示表中的某个字DIS1: MOV R3,#5AH ;静止显示时间控制（16ms*#=1.6s)DIS11: MOV R2,#00H ;一帧扫描初始值（行地址从000Fh） MOV DPTR,#TAB ;取表首地址 MOV R1,#00H ;查表偏址（显示第一个字） SETB TR0 ;开扫描（每次一帧）WAIT11:JBC 01H,DIS111 ;为1，扫描一帧结束 AJMP WAIT11 DIS111:DJNZ R3,DIS11 RET;*;扫描程序;*;1ms刷新一次，每行显示1msINTT0: PUSH ACC MOV TH0,#0FCH ;1ms初值重装 MOV TL0,#18H JBC 00H,GOEND ;16行扫描标志为1，结束 INC R1 ;取行右边字节偏址 MOV A,R1 MOVC A,A+DPTR ;查表 CLR TI MOV SBUF,A ;串口0方式发送WAIT: JBC TI,GO ;等待发送完毕 AJMP WAIT GO: DEC R1 ;取左边字节偏址 MOV A,R1 MOVC A,A+DPTR CLR TI MOV SBUF,AWAIT1: JBC TI,GO1 AJMP WAIT1GO1: SETB P1.7 ;关行显示，准备刷新 NOP ;串口寄存器数据稳定 SETB P1.6 ;产生上升沿，行数据达入输出端 NOP NOP CLR P1.6 ;恢复低电平 MOV A,R2 ;修改显示行地址 ORL A,#0F0H ;修改显示行地址 MOV R2,A ;修改显示行地址 MOV A,P1 ;修改显示行地址 ORL A,#0FH ;修改显示行地址 ANL A,R2 ;修改显示行地址 MOV P1,A ;修改完成 CLR P1.7 ;开行显示 INC R2 ;下一行扫描地址值 INC R1 INC R1 ;下一行数据地址 MOV A,R2 ANL A,#0FH JNZ GO2 SETB 00H ;GO2: POP ACC RETIGOEND: CLR TR0 SETB 01H POP ACC RETITAB:DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH;黑屏DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHDB 0FFH,0AFH,0FFH,0B7H,0C0H,01H,0DFH,0BFH,0DFH,0BFH,0C0H,0B7H,0DFH,0B3H,0D0H,0B7H;DB 0D6H,0D7H,0D6H,0CFH,0D6H,0DFH,0D0H,0ADH,0BFH,6DH,0BEH,0F5H,7DH,0FBH,0FFH,0FFH;咸,0DB 0FDH,0FFH,0FEH,0FBH,0C0H,01H,0DFH,0FBH,0BFH,0F7H,0FFH,0FFH,0FFH,0FFH,80H,03H;DB 0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0FAH,0FFH,0FDH,0FFH;宁,0DB 0FEH,0F7H,0EFH,073H,0F3H,37H,0F7H,6FH,80H,01H,0BFH,0FBH,70H,17H,0FFH,0BFH;DB 00FFH,7FH,80H,01H,0FFH,7FH,0FFH,7FH,0FFH,7FH,0FFH,7FH,0FDH,7FH,0FEH,0FFH;学,0DB 0FFH,7FH,07H,0BFH,70H,01H,6BH,0FBH,5FH,0FFH,5CH,07H,6FH,0FFH,77H,0FFH;DB 70H,01H,56H,0DFH,6EH,0DFH,7EH,0DFH,7DH,0DDH,7DH,0DDH,7BH,0DDH,77H,0E1H;院,0 DB 0EFH,7FH,0EFH,7FH,0AFH,7FH,0AEH,03H,82H,0ABH,0ADH,0ABH,6BH,6BH,0EBH,6BH;DB 0E6H,0DBH,0CDH,0DBH,2BH,0BBH,0EFH,7BH,0EEH,0FBH,0EDH,0FBH,0EBH,0D7H,0FFH,0EFH;物,0 DB 0FFH,0FFH,0FCH,03H,05H,0BBH,0DDH,0BBH,0DCH,03H,0DDH,0BBH,05H,0BBH,0DCH,03H;DB 0DDH,0BBH,0DFH,0BFH,0DCH,03H,0C7H,0BFH,3FH,0BFH,0FFH,0BFH,0F0H,01H,0FFH,0FFH;理,0 DB 0FFH,83H,0C0H,7FH,0FDH,0DFH,0FBH,0DFH,0F7H,0BFH,0E0H,7FH,0FCH,0DFH,0F3H,0EFH;DB 0C0H,07H,0EFH,73H,0FBH,5FH,0F7H,6FH,0EFH,77H,0DFH,7BH,0BDH,7BH,0FEH,0FFH;系,0DB 0FFH,0FFH,0FFH,0FFH,0C7H,0E3H,93H,0C9H,9DH,0B9H,9EH,79H,0CFH,0F9H,0EFH,0FBH;DB 0F7H,0F7H,0F3H,0EFH,0FBH,0DFH,0FDH,0BFH,0FEH,7FH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH;心形,0DB 0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,00H,01H,0FEH,0FFH,0FDH,7FH;DB 0FDH,7FH,0FDH,0BFH,0FBH,0BFH,0FBH,0DFH,0F7H,0EFH,0EFH,0E7H,0DFH,0F1H,0BFH,0FBH;大,0DB 0FEH,0F7H,0EFH,73H,0F3H,37H,0F7H,6FH,80H,01H,0BFH,0FBH,70H,17H,0FFH,0BFH;DB 0FFH,7FH,80H,01H,0FFH,7FH,0FFH,7FH,0FFH,7FH,0FFH,7FH,0FDH,7FH,0FEH,0FFH;学,1DB 0FFH,7FH,0EFH,3FH,0EFH,7FH,0EFH,77H,0E0H,03H,0DFH,7FH,0DFH,7FH,0BFH,77H;DB 60H,03H,0FFH,7FH,0FFH,7FH,0FFH,7FH,0FFH,7FH,0FFH,7BH,80H,01H,0FFH,0FFH;生,2DB 0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0C0H,07H,0DEH,0F7H,0DEH,0F7H,0C0H,07H,0DEH,0F7H;DB 0DEH,0F7H,0DEH,0F7H,0C0H,07H,0DEH,0F7H,0FEH,0FDH,0FEH,0FDH,0FFH,01H,0FFH,0FFH;电,3DB 0FFH,0FFH,0C0H,0FH,0FFH,0DFH,0FFH,0BFH,0FFH,7FH,0FEH,0FFH,0FEH,0FFH,0FEH,0FBH;DB 00H,01H,0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0FAH,0FFH,0FDH,0FFH;子,4DB 0FDH,0FFH,0FEH,0FFH,0C0H,03H,0FBH,0DFH,0FDH,0BFH,80H,01H,0FFH,0FFH,0E0H,0FH;DB 0EFH,0EFH,0EFH,0EFH,0E0H,0FH,0FBH,0BFH,0FBH,0BFH,0F7H,0BBH,0CFH,0BBH,3FH,0C3H;竞,5DB 0FEH,0FFH,80H,01H,0BBH,0BBH,40H,0FH,0FBH,0BFH,0C0H,07H,0FBH,0BFH,80H,03H;DB 0F7H,0CFH,0C0H,11H,36H,0DBH,0F6H,0DFH,0F6H,0DFH,0FDH,3FH,0F3H,0C7H,0CFH,0EFH;赛,6DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0EFH,0FFH,0EFH,0FFH,0EFH,0FFH,0EFH,0FFH;DB 0EFH,0FFH,0EFH,0FFH,0EFH,0FFH,0EFH,0FFH,0EFH,0FFH,0FFH,0FFH,0EFH,0FFH,0FFH,0FFH;！,7DB 0EEH,0FFH,0EEH,0C7H,0EEH,3FH,0EEH,0FBH,02H,0FBH,0EEH,03H,0EBH,0FFH,0E6H,03H;DB 0CEH,0FBH,2EH,0FBH,0EEH,03H,0EEH,0FBH,0EEH,0FBH,0EEH,0FBH,0AEH,03H,0DFH,0FFH;指,8DB 0FFH,0FFH,0E0H,0FH,0EFH,0EFH,0E0H,0FH,0EFH,0FBH,0EFH,0FBH,0F0H,03H,0FFH,0DFH;DB 0FFH,0DFH,00H,01H,0F7H,0DFH,0FBH,0DFH,0F9H,0DFH,0FBH,0DFH,0FFH,5FH,0FFH,0BFH;导,9DB 0FDH,0FFH,0FDH,0F7H,80H,03H,0FDH,0F7H,0FDH,0EFH,0FDH,0DFH,00H,01H,0FEH,7FH;DB 0FDH,0FFH,0F3H,0CFH,0CBH,3FH,38H,0FFH,0FBH,0FBH,0FBH,0FBH,0FCH,03H,0FFH,0FFH;老,10DB 0F7H,0FFH,0F4H,01H,0B7H,0DFH,0B7H,0DFH,0B4H,01H,0B5H,0DDH,0B5H,0DDH,0B5H,0DDH;DB 0B5H,0DDH,0ADH,0DDH,0ADH,0D5H,0EDH,0DBH,0DFH,0DFH,0BFH,0DFH,7FH,0DFH,0FFH,0DFH;师,11DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH;DB 0FFH,0FFH,0CFH,0FFH,0CFH,0FFH,0FFH,0FFH,0CFH,0FFH,0CFH,0FFH,0FFH,0FFH,0FFH,0FFH;：,12DB 0EFH,0BFH,0E7H,0BFH,0DFH,5FH,0BEH,0E7H,6DH,0F1H,0E2H,0BH,0CFH,0BFH,9FH,0BFH;DB 58H,03H,0DFH,0BFH,0DDH,0AFH,0DCH,0B3H,0DBH,0B9H,0D7H,0BBH,0DEH,0BFH,0DFH,7FH;徐,13DB 0FFH,0BFH,0FFH,0AFH,0C0H,0B7H,0FFH,0BFH,00H,01H,0FFH,0BFH,0FBH,0BFH,0FBH,0DFH;DB 0D8H,5FH,0DBH,0DFH,0DBH,0DFH,0DBH,0EFH,0D8H,0EDH,0C7H,0F5H,1FH,0F9H,0FFH,0FDH;武,14DB 0EFH,5FH,0EFH,6FH,0EFH,6FH,02H,01H,0DEH,0EFH,0DCH,0EFH,0D6H,03H,0B6H,0EFH;DB 0AEH,0EFH,0AEH,03H,5EH,0EFH,0D6H,0EFH,0BAH,0EFH,02H,01H,0FAH,0FFH,0FEH,0FFH;雄,15DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH;DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0CFH,0FFH,0CFH,0FFH,0EFH,0FFH,0DFH,0FFH,0FFH,0FFH;，,16DB 0FBH,0DFH,0FBH,0DFH,00H,01H,0FBH,9FH,0BFH,0FFH,0CEH,07H,6EH,0F7H,9EH,0F7H;DB 0B6H,0F7H,0F6H,0C7H,0EEH,0EFH,1EH,0FFH,0DEH,0FBH,0DEH,0FBH,0DFH,03H,0DFH,0FFH;范,17DB 0FEH,0FFH,80H,03H,0FEH,0FFH,0C0H,07H,0FEH,0FFH,00H,01H,0FDH,0FFH,0FBH,0BFH;DB 0E0H,7FH,0FBH,0EFH,0C0H,07H,0FEH,0F7H,0F6H,0DFH,0EEH,0EFH,9AH,0F7H,0FDH,0FFH;素,18DB 0EEH,0EFH,0EEH,0EFH,00H,2FH,0EEH,0EFH,0E0H,81H,0FBH,0EDH,0C0H,6DH,0DBH,6DH;DB 0C0H,6DH,0FBH,0EDH,0C0H,5DH,0FBH,0DDH,0C0H,5DH,0FBH,0B1H,0F8H,0BBH,87H,7FH;勤,19DB 0FFH,0FFH,0F8H,0FFH,87H,0FFH,0F7H,83H,0F7H,0BBH,80H,0BBH,0F7H,0BBH,0E7H,0BBH;DB 0E3H,0BBH,0D5H,0BBH,0D4H,0BBH,0B5H,0BBH,77H,83H,0F7H,0BBH,0F7H,0FFH,0F7H,0FFH;和,20DB 0FFH,0F7H,80H,03H,0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0FEH,0F7H,0C0H,03H;DB 0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0FEH,0FBH,00H,01H,0FFH,0FFH,0FFH,0FFH;王,21DB 0EFH,0FFH,0E7H,0F7H,0E8H,03H,0CFH,0FFH,0DFH,0FFH,9FH,0FFH,5FH,0FFH,0DFH,0FFH;DB 0DFH,0FFH,0DFH,0FFH,0DFH,0FFH,0DFH,0FBH,0D0H,01H,0DFH,0FFH,0DFH,0FFH,0FFH,0FFH;仁,22DB 0DEH,0FFH,0EEH,0FFH,0EEH,01H,0FDH,0FFH,68H,07H,0ADH,77H,0ADH,0B7H,0EDH,0F7H;DB 0D0H,01H,0DDH,77H,1DH,0B7H,0DDH,0F7H,0DCH,01H,0DFH,0F7H,0DFH,0D7H,0DFH,0EFH;海,23DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH;DB 0FFH,0FFH,0FFH,0FFH,0CFH,0FFH,0B7H,0FFH,0B7H,0FFH,0CFH,0FFH,0FFH,0FFH,0FFH,0FFH;。,24DB 0F6H,0FFH,0F6H,7FH,0EEH,0FBH,0ECH,01H,0DDH,0FBH,0CBH,0B7H,97H,0BFH,5DH,0AFH;DB 0DCH,0B7H,0DDH,0B7H,0DBH,0BBH,0DBH,0B9H,0D7H,0BBH,0