简易计算器的程序设计
仿真图
#include
#define uint unsigned int // 定义无符号整形
#define uchar unsigned char // 无符号字符
sbit lcden=P2^2; // 定义引脚
sbit rs=P2^0; // 数据或命令选择端
sbit rw=P2^1; // 读或写
sbit LABA=P1^0;
sbit jisuan=P1^1;
sbit fangge=P1^2;
sbit QH=P1^3;
sbit D2=P1^4;
sbit D1=P1^5;
uchar m,n;
sbit busy=P0^7; // 忙或闲标志
char i,j,temp,num,num_1; // 定义5个字符标志位
long a,b,c; // a是第一个数，b是第二个数，c是结果float a_c,b_c;
uchar flag,fuhao; // flag判断是否有符号键按下，fuhao判断按下的是哪个符号uchar code table[]={
7,8,9,0,
4,5,6,0,
1,2,3,0,
0,0,0,0};
uchar code table1[]={
7,8,9,0x2f-0x30, //按键标值0x2f-0x30是将字符转化为数字,与后面的0x30+i抵消,得i值
4,5,6,0x2a-0x30,
1,2,3,0x2d-0x30,
0x01-0x30,0,0x3d-0x30,0x2b-0x30}; //0x01是清屏命令
//放音开始音乐1
uchar code T[49][2]={{0,0},
{0xF8,0x8B},{0xF8,0xF2},{0xF9,0x5B},{0xF9,0xB7},{0xFA,0x14},{0xFA,0x66},{ 0xFA,0xB9},{0xFB,0x03},{0xFB,0x4A},{0xFB,0x8F},{0xFB,0xCF},{0xFC,0x0B}, {0xFC,0x43},{0xFC,0x78},{0xFC,0xAB},{0xFC,0xDB},{0xFD,0x08},{0xFD,0x33 },{0xFD,0x5B},{0xFD,0x81},{0xFD,0xA5},{0xFD,0xC7},{0xFD,0xE7},{0xFE,0x0 5},{0xFE,0x21},{0xFE,0x3C},{0xFE,0x55},{0xFE,0x6D},{0xFE,0x84},{0xFE,0x9 9},{0xFE,0xAD},{0xFE,0xC0},{0xFE,0x02},{0xFE,0xE3},{0xFE,0xF3},{0xFF,0x0 2},
{0xFF,0x10},{0xFF,0x1D},{0xFF,0x2A},{0xFF,0x36},{0xFF,0x42},{0xFF,0x4C},{0 xFF,0x56},{0xFF,0x60},{0xFF,0x69},{0xFF,0x71},{0xFF,0x79},{0xFF,0x81}
};
uchar code music[][2]={{0,4},
{26,4},{29,4},{31,4},{29,2},{26,2},{26,4},{29,4},{31,12},{29,2},{26,2},{26,4},{29 ,4},{29,4},{28,4},{26,16},{26,4},{29,4},{31,4},{29,2},{26,2},{24,4},{26,2},{24,2}, {22,4},{24,4},{26,4},{29,4},{22,4},{24,4},{26,4},{24,2},{22,2},{21,8},{19,24}, {0xFF,0xFF}};
void delay1(uchar p)
{
uchar i,j;
for(;p>0;p--)
for(i=181;i>0;i--)
for(j=181;j>0;j--);
}
void pause()
{
uchar i,j;
for(i=150;i>0;i--)
for(j=150;j>0;j--);
}
void T0_int() interrupt 1
{
if (jisuan==0||fangge==1) //如果处于计算状态，放音停止
LABA=0;
else
{
LABA=!LABA;
TH0=T[m][0]; TL0=T[m][1];
}
}
//放音1结束放音2开始
uchar code T2[49][2]={{0,0},
{0xF8,0x8B},{0xF8,0xF2},{0xF9,0x5B},{0xF9,0xB7},{0xFA,0x14},{0xFA,0x66},{ 0xFA,0xB9},{0xFB,0x03},{0xFB,0x4A},{0xFB,0x8F},{0xFB,0xCF},{0xFC,0x0B}, {0xFC,0x43},{0xFC,0x78},{0xFC,0xAB},{0xFC,0xDB},{0xFD,0x08},{0xFD,0x33 },{0xFD,0x5B},{0xFD,0x81},{0xFD,0xA5},{0xFD,0xC7},{0xFD,0xE7},{0xFE,0x0 5},{0xFE,0x21},{0xFE,0x3C},{0xFE,0x55},{0xFE,0x6D},{0xFE,0x84},{0xFE,0x9 9},{0xFE,0xAD},{0xFE,0xC0},{0xFE,0x02},{0xFE,0xE3},{0xFE,0xF3},{0xFF,0x0 2},
{0xFF,0x10},{0xFF,0x1D},{0xFF,0x2A},{0xFF,0x36},{0xFF,0x42},{0xFF,0x4C},{0 xFF,0x56},{0xFF,0x60},{0xFF,0x69},{0xFF,0x71},{0xFF,0x79},{0xFF,0x81}
};
uchar code music2[][2]={{0,4},
{15,8},{20,8},{17,4},{15,4},{17,8},{20,4},{17,4},{15,4},{13,4},{15,24},{15,8},{20 ,8},{15,8},{17,4},{20,4},{17,4},{15,4},{13,4},{10,4},{13,24},{13,8},{17,8},{15,4}, {17,4},{8,8},{12,8},{10,4},{8,4},{10,24},{13,12},{15,4},{12,4},{10,4},{8,4},{5,4}, {8,16},{8,8},{0,8},{0,8},
{0xFF,0xFF}};
void T0_int2() interrupt 1
{
if (jisuan==0||fangge==1) //如果处于计算状态，放音停止
LABA=0;
else
{
LABA=!LABA;
TH0=T2[m][0]; TL0=T2[m][1];
}
}
//放音2结束
void delay(uchar z) // 延迟函数
{
uchar y;
for(z;z>0;z--) //延时z*y
for(y=0;y<110;y++);
}
