#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
#define SE 20
sbit INA=P1^0;
sbit INB=P1^1;
sbit INC=P1^2;
sbit IND=P1^3;
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
{
for(y=110;y>0;y--);
}
}
void main()
{
P1=0x00;//′yÃü×′ì¬
while(1)
{
INA=1;
INB=0;//¶Ôó|OUTA¸ßμçƽ￡¬¸ù¾Yêy¾YêÖ2á¿éÖa
INC=1;
IND=1;//μ½ÕaàïêμÏÖA+μÄêä3ö
delay(SE);
INA=0;
INB=1;
INC=1;
IND=1;//μ½ÕaàïêμÏÖA-
delay(SE);
INA=1;
INB=1;
INC=1;
IND=0;//μ½ÕaàïêμÏÖB+
delay(SE);
INA=1;
INB=1;
INC=0;
IND=1;//μ½ÕaàïêμÏÖB-
delay(SE);
}
}
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