count_test.rar_单片机 计算器_单片机 计算器 程序_单片机计算器_计算器_计算器程序

#include<reg52.h> #define uchar unsigned char #define uint unsigned int char a[16]={0}; char b[16]={0}; uchar dm[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x79,0x40}; uchar wx[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80}; uchar m,n,l,smz1,smz,zhi,flag,cp; char i,j,k; bit flag1,flag2,flag3; sbit key1=P1^3; sbit key2=P1^2; void delay() { for(i=0;i<100;i++); } void jia() { for(i=0;i<16;i++) { a[i]=a[i]+b[i]+cp; if(a[i]>=10) { a[i]=a[i]-10; cp=1; } else cp=0; } } void jian() { flag3=0; for(i=15;i>=0;i--) { if(a[i]==b[i]) continue; else if(a[i]>b[i]) { flag3=1; break; } else break; } if(flag3==1) { for(i=0;i<16;i++) { a[i]=a[i]-cp-b[i]; if(a[i]<0) { a[i]=a[i]+10; cp=1; } else cp=0; } for(i=15;i>=0;i--) if(a[i]!=0) { a[i+1]=11; break; } } else { for(i=0;i<16;i++) { a[i]=b[i]-cp-a[i]; if(a[i]<0) { a[i]=10+a[i]; cp=1; } else cp=0; } } } void chen() { } void chu() { } uchar key() { P2=0x0f; smz=P2; P2=0xf0; smz1=P2; smz=smz+smz1; return smz; } void js() { cp=0; switch(flag) { case 0xfe: jia();break; case 0xfd: jian();break; case 0xfc: chen();break; case 0xfb: chu();break; } } void ys() { flag1=1; if(zhi==0xee) { js(); flag2=1; } else { js(); flag=zhi; flag2=0; } for(j=0;j<16;j++) { b[j]=a[j]; a[j]=0; } } void yw() { flag1=0; m=0; if(flag2==1) { for(i=0;i<16;i++) b[i]=0; flag2=0; } if(a[7]==0) { for(i=6;i>0;i--) a[i+1]=a[i]; a[1]=a[0]; a[0]=zhi; } } void pd() { switch(key()) { case 0xff:zhi=10;break; case 0xed:zhi=1;while(key()==0xed);break; case 0xdd:zhi=2;while(key()==0xdd);break; case 0xbd:zhi=3;while(key()==0xbd);break; case 0xeb:zhi=4;while(key()==0xeb);break; case 0xdb:zhi=5;while(key()==0xdb);break; case 0xbb:zhi=6;while(key()==0xbb);break; case 0xe7:zhi=7;while(key()==0xe7);break; case 0xd7:zhi=8;while(key()==0xd7);break; case 0xb7:zhi=9;while(key()==0xb7);break; case 0xde:zhi=0;while(key()==0xde);break; case 0xee:zhi=0xff;while(key()==0xee);break; case 0x7e:zhi=0xfe;while(key()==0x7e);break; case 0x7d:zhi=0xfd;while(key()==0x7d);break; case 0x7b:zhi=0xfc;while(key()==0x7b);break; case 0x77:zhi=0xfb;while(key()==0x77);break; case 0xbe:zhi=0xee;while(key()==0xbe);break; } if(zhi==0xff) { m=0; for(j=0;j<16;j++) { a[j]=0; b[j]=0; } } else if(zhi==0xfe||zhi==0xfd||zhi==0xfc||zhi==0xfb||zhi==0xee) { ys(); } else if(zhi==10); else { yw(); } } void display() { if(flag1==0) { for(j=15;j>0;j--) { if(a[j]!=0) { if(j>=8) { a[0]=10; for(i=1;i<8;i++) a[i]=0; m=0; break; } m=j; break; } } for(j=0;j<m+1;j++) { n=a[j]; P0=~dm[n]; key1=1; key1=0; P0=wx[j]; key2=1; key2=0; delay(); } } else { for(j=15;j>0;j--) { if(b[j]!=0) { if(j>=8) { b[0]=10; for(i=1;i<8;i++) b[i]=0; m=0; break; } m=j; break; } } for(j=0;j<m+1;j++) { n=b[j]; P0=~dm[n]; key1=1; key1=0; P0=wx[j]; key2=1; key2=0; delay(); } } } void main() { flag1=0; cp=0; m=0; flag=0xfe; while(1) { pd(); display(); } }