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1、ORG 0000HLJMP MAINORG 0030H;*;多字同显，每字锁存;*MAIN: ;= ;主程序初始化 ;=MOV P3,#11111111B ;P3口提供译码信号MOV P2,#10000000B ;P2口作前四个字的锁存器的移位脉冲信号MOV P1,#10000000B ;P1口作后四个字的锁存器的移位脉冲信号MOV P0,#00H;P0口作数据输出端MOV R0,#00H ;数据偏移量MOV R5,#00HCLR 20H ;= ;控制文字变化速度 ;=LOOP: MOV DPTR,#TAB ;数据首地址 LOOP0: MOV R3,#226LOOP2: MOV R4,#6LO
2、OP1: ACALL SCANDJNZ R4,LOOP1INC DPTRINC DPTRDJNZ R3,LOOP2CLR AADD A,20HSJMP LOOP ;= ;扫描子程序 ;=SCAN: INC P3 ;列驱动ACALL PORT ;数据送出子程序调用ACALL DELAYCJNE R0,#32,SCANMOV R0,#00HRET ;= ;移位脉冲子程序 ;=PORT: MOV A,R0ADD A,R5MOVC A,A+DPTRMOV P0,AACALL PULSEMOV A,R5ADD A,#32MOV R5,ACJNE R5,#0,PORTMOV R5,#00HINC R0JB
3、 20H,P_1JNB P2.7,PORTSETB 20HSJMP PORTP_1: JNB P1.7,PORTCLR 20HRET ;= ;P1,P2口脉冲输出 ;=PULSE: JB 20H,PORT_1MOV A,P2RL AMOV P2,ASJMP EXITPORT_1:MOV A,P1RL AMOV P1,AEXIT: RET ;= ;延时子程序 ;=DELAY:MOV R7,#2D1: MOV R6,#250DJNZ R6,$DJNZ R7,D1RET ;= ;数据块 ;=TAB: ;设置n个空白字数据块DB 000H,000H,000H,000H,000H,000H,000H,0
4、00H,000H,000H,000H,000H,000H,000H,000H,000HDB 000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000HDB 000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000HDB 000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000HDB 000H,000
5、H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000HDB 000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000HDB 000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000HDB 000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,00
6、0H,000H,000H,000HDB 000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000HDB 000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000HDB 000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000HDB 000H,000H,000H,000H,000H,000H,000H
7、,000H,000H,000H,000H,000H,000H,000H,000H,000HDB 000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000HDB 000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000HDB 000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000HDB 000H,0
8、00H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H;=;-点阵转换时间：2007/04/ 8 18:36:8-;-宋体 12 (16*16) 调整后: 宽度x高度:16x16;=;-转换字符 南 -;DB 004H,000H,004H,000H,0E4H,07FH,024H,004H,024H,005H,064H,005H,0B4H,005H,02FH,07FHDB 024H,005H,0A4H,005H,064H,005H,024H,025H,024H,044H,0E6H,03FH,004H,00
9、0H,000H,000H;-转换字符 阳 -;DB 000H,000H,0FEH,0FFH,002H,004H,022H,008H,05AH,004H,086H,003H,000H,000H,0FEH,03FHDB 042H,010H,042H,010H,042H,010H,042H,010H,042H,010H,0FEH,03FH,000H,000H,000H,000H;-转换字符 理 -;DB 044H,010H,044H,010H,0FCH,00FH,044H,008H,044H,048H,000H,040H,0FEH,045H,092H,044HDB 092H,044H,0FEH,07
10、FH,092H,044H,092H,044H,092H,044H,0FEH,045H,000H,040H,000H,000H;-转换字符 工 -;DB 000H,020H,000H,020H,002H,020H,002H,020H,002H,020H,002H,020H,002H,020H,0FEH,03FHDB 002H,020H,002H,020H,002H,020H,002H,020H,002H,020H,002H,020H,000H,020H,000H,000H;-转换字符 学 -;DB 040H,000H,030H,002H,010H,002H,012H,002H,05CH,002H,054H,002H,050H,042H,051H,082HDB 05EH,07FH,0D4H,002H,050H,002H,018H,002H,057H,002H,032H,002H,010H,002H,000H,000H;-转换字符 院 -;DB 0FEH,0FFH,002H,000H,032H,002H,04AH,004H,086H,083H,00CH,041H,024H,031H,024H,00FHDB 025H,001H,026H,001H,024H,07FH,024H,081H,024H,081H,00CH,081H,004H,0F1H,000H,000H END
