基于单片机汇编语言的数码管显示的程序(共2页).doc

精选优质文档-倾情为你奉上参考程序 ORG 0000H LJMP MAIN ORG 0100HMAIN:MOV R2,#00H MOV R3,#01H MOV A,R3 ID0:MOV DPTR ,#8002H MOVX DPTR,A MOV DPTR,#TAB MOV A,R2 MOVC A,A+DPTR INC R2 MOV DPTR,#8004H MOVX DPTR,A LCALL DELAY MOV A,R3 JB ACC.5,ID1 RL A MOV R3,A LJMP ID0 ID1:RETTAB:DB 3FH,06H,5BH,4FH,66H,6DH ;共阴极显示DELAY:MOV R7,#02H专心-专注-专业