汇编发生了跳转

2万 · 2021-11-21 16:01

调试的时候发现自己写的C语言代码和KEIL编译的汇编对不上，C语言应该是继续往下进行，而汇编就发生了跳转，跳到另个函数就进入了死循环，这是什么问题

1万 · 2021-11-21 16:03

楼主程序可以公开吗？贴程序看下吧，这么说看不出什么原因

1万 · 2021-11-21 16:05

声明：程序很乱高人有什么看法尽情的泼洒
#include"reg51.h"
#include"8563.h"
#include"24c01.h"
#include"malfunction.h"
#include"display.h"
#include"key.h"
uchar keyb;
uchar gu_xian=0;
uchar gu_cha[6];
void init()
{
      TMOD=0x11;
      TR0=1;
      ET0=1;
      TR1=1;
      ET1=1;
      TH1=53266/256;
      TL1=53266%256;
      TH0=63266/256;
      TL0=63266%256;
      EA=1;
      EX0=1;
      IT0=1;
      dula=0;
      wela=0;

}
void dis_control()//显示模式的选择
{
      switch(disnum)
               {
                     case 0:{shuxian[0]=time.s;shuxian[1]=time.m;shuxian[2]=time.h;};break;
                     case 1:{shuxian[0]=time.d;shuxian[1]=time.mouth;shuxian[2]=time.y;};break;
                     case 2:
                                       {
                                             if(key_num==1){shuxian[0]=0xaa;shuxian[1]=0xff;shuxian[2]=tobcd(a_num);};
                                             if(key_num==2){shuxian[0]=0xbb;shuxian[1]=0xff;shuxian[2]=tobcd(b_num);};
                                             if(key_num==3){shuxian[0]=0xcc;shuxian[1]=0xff;shuxian[2]=tobcd(c_num);};
                                             if(key_num==4){shuxian[0]=0xab;shuxian[1]=0xff;shuxian[2]=tobcd(ab_num);};
                                             if(key_num==5){shuxian[0]=0xbc;shuxian[1]=0xff;shuxian[2]=tobcd(bc_num);};
                                             if(key_num==6){shuxian[0]=0xac;shuxian[1]=0xff;shuxian[2]=tobcd(ac_num);};
                                             /*if(key_num>6)
                                                      {
                                                               if(key_num==36)key_num=1;
                                                               r_24c01(0x04+3*key_num,3,shuxian);};*/

                                       };
                                       break;
                     case 3:{shuxian[0]=0xff;shuxian[1]=time.m;shuxian[2]=0xff;};break;
                     case 4:{shuxian[0]=0xff;shuxian[1]=0xff;shuxian[2]=time.h;};break;
                     case 5:{shuxian[0]=time.d;shuxian[1]=0xff;shuxian[2]=0xff;};break;
                     case 6:{shuxian[0]=0xff;shuxian[1]=time.mouth;shuxian[2]=0xff;};break;
                     case 7:{shuxian[0]=0xff;shuxian[1]=0xff;shuxian[2]=time.y;};break;
                     case 8:;break;
               }
}
void r_24c01(uchar address,uchar z,uchar *databuf)
{
      uchar i;
      Start();
      writebyte(0xa0);

      writebyte(address);

      Start();
      writebyte(0xa1);

      for(i=0;i<z;i++)
      {
               databuf[i]=Readbyte();
                     if(i<z-1) WriteACK(0);

      }
      WriteACK(1);
      Stop();
}
void main()
{
r_24c01(0x01,6,gu_cha);
      init();
//
      a_num=gu_cha[0];
      b_num=gu_cha[1];
      c_num=gu_cha[2];
      ab_num=gu_cha[3];
      bc_num=gu_cha[4];
      ac_num=gu_cha[5];


      for(;;)
      {
               dis_control();
               key();

      }
}
void timesr_1() interrupt 1
{

      display();
      if(gu_xian)
               {
                     gu_xian++;
                     if(gu_xian>220)
                              {
                                       gu_xian=0;
                                       EX0=1;
                              }

               }



}
void time1() interrupt 3
{

      if(disnum<2)
               {

                     R_8563();
               }

}

void int_0() interrupt 0
{
      uchar gu;
      EX0=0;
      disnum=8;
      gu_xian=1;
      gu=key1|0xf8;

      switch(gu)
               {
                     case 0xfe:A();break;
                     case 0xfd:B1();break;
                     case 0xfb:C();break;
                     case 0xfc:AB();break;
                     case 0xfa:AC1();break;
                     case 0xf9:BC();break;

                     default: break;

            }

就在FOR循环前初始化读取r_24c01()的时候就跳到dis_control()//显示模式的选择里之后就跳到TH1=53266/256;
      TL1=53266%256;
      TH0=63266/256;
      TL0=63266%256;
      EA=1;
      EX0=1;
      IT0=1;
      dula=0;
      wela=0;
就一直死下去了  就怎么安静的死去了