计算器程序完美版单片机

#include#include#define uint unsigned int#define uchar unsigned charsbit dula=P26;sbit wela=P27;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0;uchar sign=0;char ifnum=0,ifcount=0,dian=0,dian1=0;long len=10;float result=0,b=0,key;void delay(uint z);uchar keyscan();void display(long aa);void yunsuan();char table18=0x00,0x00,0x00,0x00,0x00,0x3f;void main()int i;dula=1;P0=0;dula=0;wela=1;P0=0xff;wela=0;/display(0);/delay(3000);while(1)char h=0xfe,k,j=0;for(k=6;k0;k-)dula=1;P0=table1j+;dula=0;P0=0xff;wela=1;P0=h;h=(h=1dula=1;P0=0x00;dula=0;r=0xdf;if(k=0)if(len=100)dula=1;P0=table0;dula=0;P0=0xff;wela=1;P0=r;wela=0;delay(8);r=(r1)|0x80;dula=1;if(dian!=0)P0=table0|0x80;elseP0=table0;dula=0;P0=0xff;wela=1;P0=r;wela=0;delay(8);else if(k0)/纯小数并且小数点后第一位为 0n=k%10;dula=1;P0=tablen;dula=0;P0=0xff;wela=1;P0=r;wela=0;delay(8);r=(r1)|0x80;dula=1;P0=table0;dula=0;P0=0xff;wela=1;P0=r;wela=0;delay(8);r=(r1)|0x80;dula=1;P0=table0|0x80;dula=0;P0=0xff;wela=1;P0=r;wela=0;delay(8);else if(k=10k=k/10;n=k%10;dula=1;P0=tablen;dula=0;P0=0xff;wela=1;P0=r;wela=0;delay(8);r=(r1)|0x80;dula=1;P0=table0|0x80;dula=0;P0=0xff;wela=1;P0=r;wela=0;delay(8);else if(k=100)/当数大于 1 时if(dian1!=1e=e+1;if(k%10=0|k100000)k=k/10;e=e+1;while(k0)n=k%10;/*if(n=0)/如果分离出来的数为 0dula=1;P0=table0;dula=0;P0=0xff;wela=1;P0=r;wela=0;r=(r1)|0x80;*/dula=1;if(dian=1elseP0=tablen;dula=0;P0=0xff;wela=1;P0=r;wela=0;delay(8);k=k/10;if(e1=e)e1-;r=(r1)|0x80;result=re