用两个开关实现数码管显示数字的加减 单片机程序

正文摘要:

单片机源程序如下: #include <reg51.h> sbit key = P1 ^ 0; sbit key1 = P1 ^ 4; unsigned char le[] = {0xc0, 0xf9, 0xa4, 0xb0, 0x99, 0x92, 0x82, 0xf8, 0x80, 0x90, 0x3f}; unsigned char i; void d ...