单片机仿真播放音乐

5 3主程序 #include #include #define uchar unsigned char #define uint unsigned int #define GPIO KEY P0 sbit beep P3^1; sbit gao P3^3; sbit zhong P3^4; sbit di P3^5; void delayms uint xms ; void duliscan void ; uchar keyscan void ; void init void ; void playkey void ; vo