STC51单片机29——汇编语言 取表法 流水灯

汇编语言编写流水灯

ORG 0
START: MOV DPTR,#TABLE
LOOP: CLR A
MOVC A,@A+DPTR
CJNE A,#01H,LOOP1  //假如A等于01H ，则执行下一句
JMP START
LOOP1: MOV P1,A
MOV R3,#20
LCALL DELAY
INC DPTR             //指针自加1
JMP LOOP
DELAY: MOV R4,#20
D1: MOV R5,#248
DJNZ R5,$
DJNZ R4,D1
DJNZ R3,DELAY
RET
TABLE: DB 0FEH,0FDH,0FBH,0F7H
DB 0EFH,0DFH,0BFH,07FH
DB 0FEH,0FDH,0FBH,0F7H
DB 0EFH,0DFH,0BFH,07FH
DB 07FH,0BFH,0DFH,0EFH
DB 0F7H,0FBH,0FDH,0FEH
DB 07FH,0BFH,0DFH,0EFH
DB 0F7H,0FBH,0FDH,0FEH
DB 00H, 0FFH,00H, 0FFH
DB 01H
END

完整资料打包（含仿真）：

STC51单片机29-汇编语言取表法流水灯-单片机文档类资源-CSDN下载