ATC单片机C语言编写计算器

1、#include#define uint unsigned int#define uchar unsigned char sbit dula=P2A6;sbit wela=P2A7；sbit key1=P3A4;uchar code table=0 x3f,0 x06,0 x5b,0 x4f,0 x66,0 x6d,0 x7d,0 x07,0 x7f,0 x6f,0 x77,0 x7c, 0 x39,0 x5e,0 x79,0 x71,0;uchar num,temp,num1;void delay(uint z)uint x,y;for(x=z;x0;x-) for(y=110;y0;y-)

2、;uchar keyscan();void display(uchar aa);void main()num=17;dula=1;P0=0;dula=0;wela=1;P0=0 xc0;wela=0;while(1) display(keyscan();void display(uchar aa)dula=1;P0=tableaa-1;dula=0;uchar keyscan()P3=0 xfe;temp=P3;temp=temp&0 xf0;while(temp!=0 xf0)delay(5);temp=P3;temp=temp&0 xf0;while(temp!=0 xf0)temp=P3

3、;switch(temp)case 0 xee:num=1; break;case 0 xde:num=2; break;case 0 xbe:num=3; break;case 0 x7e:num=4; break;while(temp!=0 xf0)temp=P3;temp=temp&0 xf0;P3=0 xfd;temp=P3;temp=temp&0 xf0;while(temp!=0 xf0)delay(5);temp=P3;temp=temp&0 xf0;while(temp!=0 xf0)temp=P3;switch(temp)case 0 xed:num=5; break;cas

4、e 0 xdd:num=6; break;case 0 xbd:num=7; break;case 0 x7d:num=8; break;while(temp!=0 xf0)temp=P3;temp=temp&0 xf0;P3=0 xfb;temp=P3;temp=temp&0 xf0;while(temp!=0 xf0)delay(5);temp=P3;temp=temp&0 xf0;while(temp!=0 xf0)temp=P3;switch(temp)case 0 xeb:num=9; break;case 0 xdb:num=10; break;case 0 xbb:num=11; break;case 0 x7b:num=12; break;while(temp!=0 xf0)temp=P3;temp=temp&0 xf0;P3=0 xf7;temp=P3;temp=temp&0 xf0;while(temp!=0 xf0)delay(5);temp=P3;temp=temp&0 xf0;while(temp!=0 xf0)temp=P3;switch(temp)case 0 xe7:num=13; break;case 0 xd7:num=14; break;case 0 xb7:num=15; break;case 0 x77:num=