单片机汇编程序代码(闪烁灯、流水灯、蜂鸣器、点阵)

单片机汇编程序代码(闪烁灯、流水灯、蜂鸣器、点阵) 一、闪烁灯 ORG 0000H AJMP MAIN ORG 0030H MAIN:clr p2.1 SETB P2.0 LOOP:CPL P0.0 LCALL DELAY SJMP LOOP DELAY:MOV R0,#255 D1:MOV R1,#255 DJNZ R1,$ DJNZ R0,D1 RET 二、流水灯 ORG 0000H AJMP MAIN ORG 0030H MAIN:clr p2.1 SETB P2.0 mov P0 , #01h MOV A ,P0 LOOP:RL A LCALL DELAY MOV P0,A LCALL DELAY SJMP LOOP DELAY:MOV R6,#255 D1: MOV R7,#255 DJNZ R7,$ DJNZ R6,D1 RET 三、蜂鸣器 ;注意，P1.1连接BELL ORG 0000H LJMP START ORG 000BH CLR P2.1 INC 20H ;中断服务,中断计数器加1 MOV TH0,#0D8H MOV TL0,#0EFH ;12M晶振，形成10毫秒中断 RETI START: MOV SP,#50H MOV TH0,#0D8H MOV TL0,#0EFH MOV TMOD,#01H MOV IE,#82H MUSIC0: NOP MOV DPTR,#DAT ; 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 头地址送DPTR MOV 20H,#00H ;中断计数器清0 MOV B,#00H ;表序号清0 MUSIC1: NOP CLR A MOVC A,@A+DPTR ;查表取代码 JZ END0 ;是00H,则结束 CJNE A,#0FFH,MUSIC5 LJMP MUSIC3 MUSIC5: NOP MOV R6,A INC DPTR MOV A,B MOVC A,@A+DPTR ;取节拍代码送R7 MOV R7,A SETB TR0 ;启动计数 MUSIC2: NOP CPL P1.1 MOV A,R6 MOV R3,A LCALL DEL MOV A,R7 CJNE A,20H,MUSIC2 ;中断计数器(20H)=R7否? ;不等,则继续循环 MOV 20H,#00H ;等于,则取下一代码 INC DPTR ; INC B LJMP MUSIC1 MUSIC3: NOP CLR TR0 ;休止100毫秒 MOV R2,#0DH MUSIC4: NOP MOV R3,#0FFH LCALL DEL DJNZ R2,MUSIC4 INC DPTR LJMP MUSIC1 END0: NOP MOV R2,#64H ;歌曲结束,延时1秒后继续 MUSIC6: MOV R3,#00H LCALL DEL DJNZ R2,MUSIC6 LJMP MUSIC0 DEL: NOP DEL3: MOV R4,#02H DEL4: NOP DJNZ R4,DEL4 NOP DJNZ R3,DEL3 RET NOP DAT: db 26h,20h,20h,20h,20h,20h,26h,10h,20h,10h,20h,80h,26h,20h,30h,20h db 30h,20h,39h,10h,30h,10h,30h,80h,26h,20h,20h,20h,20h,20h,1ch,20h db 20h,80h,2bh,20h,26h,20h,20h,20h,2bh,10h,26h,10h,2bh,80h,26h,20h db 30h,20h,30h,20h,39h,10h,26h,10h,26h,60h,40h,10h,39h,10h,26h,20h db 30h,20h,30h,20h,39h,10h,26h,10h,26h,80h,26h,20h,2bh,10h,2bh,10h db 2bh,20h,30h,10h,39h,10h,26h,10h,2bh,10h,2bh,20h,2bh,40h,40h,20h db 20h,10h,20h,10h,2bh,10h,26h,30h,30h,80h,18h,20h,18h,20h,26h,20h db 20h,20h,20h,40h,26h,20h,2bh,20h,30h,20h,30h,20h,1ch,20h,20h,20h db 20h,80h,1ch,20h,1ch,20h,1ch,20h,30h,20h,30h,60h,39h,10h,30h,10h db 20h,20h,2bh,10h,26h,10h,2bh,10h,26h,10h,26h,10h,2bh,10h,2bh,80h db 18h,20h,18h,20h,26h,20h,20h,20h,20h,60h,26h,10h,2bh,20h,30h,20h db 30h,20h,1ch,20h,20h,20h,20h,80h,26h,20h,30h,10h,30h,10h,30h,20h db 39h,20h,26h,10h,2bh,10h,2bh,20h,2bh,40h,40h,10h,40h,10h,20h,10h db 20h,10h,2bh,10h,26h,30h,30h,80h,00H END 四、XP0 EQU 30H XP2 EQU 31H ORG 0000H AJMP MAIN ORG 0030H MAIN: clr p2.1 SETB P2.0 RST: MOV XP0,#0H MOV XP2,#0H MOV R4,#0H; LOOP: NOP LCALL LOOP1 NOP NOP LCALL LOOP2 INC R4 CJNE R4,#8H,LOOP LJMP RST LOOP1: MOV P0,#0H MOV DPTR,#TP2 MOV A,XP2 MOVC A,@A+DPTR MOV P2,A INC XP2 RET LOOP2: MOV DPTR,#TP0 MOV A,XP0 MOVC A,@A+DPTR MOV P0,A INC XP0 RET TP0: DB 30H,48H,44H,22H,44H,48H,30H,00H ;心型 TP2: DB 07F ;TP0: DB 00H,41H,22H,14H,08H,14H,22H,41H ;叉型 ;TP2: DB 07Fh,0BFh,0DFh,0EFh,0F7h,0FBh,0FDh,0FEh ;TP0: DB 00H,08H,14H,22H,41H,22H,14H,08H ;菱型 ;TP2: DB 07Fh,0BFh,0DFh,0EFh,0F7h,0FBh,0FDh,0FEh ;TP0: DB 00H,1EH,12H,12H,7FH,12H,12H,1EH ;中字 ;TP2: DB 07Fh,0BFh,0DFh,0EFh,0F7h,0FBh,0FDh,0FEh ;TP0: DB 00H,3CH,42H,42H,42H,42H,3CH,00H ;圆形 ;TP2: DB 07Fh,0BFh,0DFh,0EFh,0F7h,0FBh,0FDh,0FEh END