liu.asm

电机控制类 步进电机正反转控制 步进电机调速控制

loop:

mov p0,#0f7h
call delay

mov p0,#0fbh
call delay


mov p0,#0fdh
call delay


mov p0,#0feh
call delay

;----------------------------------------------
mov p0,#0feh
call delay

mov p0,#0fdh
call delay


mov p0,#0fbh
call delay


mov p0,#0f7h
call delay



ajmp loop

DELAY: MOV R7,#100
D1: MOV R6,#250
D2: DJNZ R6,D2
DJNZ R7,D1
RET

end