51单片机步进电机控制：正反转及加减速程序实现

/*****************************************
单4拍正转 zheng[]={0x01,0x08,0x04,0x02}
单4拍反转 fang[]={0x01,0x02,0x04,0x08}
 
双4拍正转 zheng[]={0x09,0x0c,0x06,0x03}
双4拍反转 fang[]={0x03,0x06,0x0c,0x09}
 
单双8拍正转 zheng[]={0x01,0x09,0x08,0x0c,0x04,0x06,0x02,0x03}
单双8拍反转 fang[]={0x01,0x03,0x02,0x06,0x04,0x0c,0x08,0x09}
*****************************************/
 
#include"reg51.h"
#include"intrins.h"
#define uchar unsigned char
#define uint unsigned int
bit front_move,back_move;
 
uchar jzaj(void); //单4拍正转 zheng[]={0x01,0x08,0x04,0x02}; 单4拍反转 fang[]={0x01,0x02,0x04,0x08};
void ajcl(uchar jz);
void delay(uchar del); 

uchar code zheng[]={0x01,0x09,0x08,0x0c,0x04,0x06,0x02,0x03};
uchar code fang[]={0x01,0x03,0x02,0x06,0x04,0x0c,0x08,0x09};
 
void timer0() interrupt 1
{
static uchar jz;
TH0=0xfc;
TL0=0x18;
jz=jzaj();