单片机计算器c语言程序(共23页).doc

/*89C51单片机【计算器】C语言程序*/* P2位选 P0段选时钟 12MHZ */#include /*包含的头文件 */#define uchar unsigned char /* 宏定义 */#define uint unsigned intuchar Led17 = 0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f, 0x77, 0x7c, 0x39, 0x5e, 0x79, 0x71, 0x00; /* 数码管段选 */long float Number=0,0,0,0; /* 数码管显示位控制寄存器 */ uchar A=0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00;long int D = 0,0,0,0,0,0