jdq.asm

51系列单片机的汇编程序包

;==================  继电器控制 ==========================
        ORG 0F00H
LOP3:   CLR P1.0
        MOV R2,#30H
        LCALL DELY
        SETB P1.0
        MOV R2,#30H
        LCALL DELY
        SJMP LOP3
;----------------------------
DELY:   PUSH 02H
DEL2:   PUSH 02H
DEL3:   PUSH 02H                ;延时
DEL4:   DJNZ R2,DEL4
        POP 02H
        DJNZ R2,DEL3
        POP 02H
        DJNZ R2,DEL2
        POP 02H
        DJNZ R2,DELY
        RET
;---------------------------
        END