基于89C51定时器零数字时钟C程序

1/新手学习之作，拇指没有考虑精确问题/凌阳，拇指凌阳/数码管段码为P0口，拇指位码为P3口/凌阳，拇指凌阳INCLUDE凌阳，拇指凌阳DEFINE凌阳，拇指凌阳UINT凌阳，拇指凌阳UNSIGNED凌阳，拇指凌阳INT凌阳，拇指凌阳DEFINE凌阳，拇指凌阳UCHAR凌阳，拇指凌阳UNSIGNED凌阳，拇指凌阳CHAR凌阳，拇指凌阳SBIT凌阳，拇指凌阳MENUP10/功能键设置凌阳，拇指凌阳SBIT凌阳，拇指凌阳PLUSP11/加1键设置凌阳，拇指凌阳SBIT凌阳，拇指凌阳MINUSP12/减1键设置凌阳，拇指凌阳SBIT凌阳，拇指凌阳SPEAKERP21/蜂鸣器端口设置凌阳，拇指凌阳凌阳，拇指凌阳UINT凌阳，拇指凌阳MIAO,FEN,SHI,MIAO1,MIAO2,FEN1,FEN2,SHI1,SHI2,NUM1,JISHI凌阳，拇指凌阳凌阳，拇指凌阳UCHAR凌阳，拇指凌阳CODE凌阳，拇指凌阳TABLE/数码管字库定义凌阳，拇指凌阳0XC0,0XF9,0XA4,0XB0,凌阳，拇指凌阳0X99,0X92,0X82,0XF8,凌阳，拇指凌阳0X80,0X90,0X88,0X83,凌阳，拇指凌阳0XC6,0XA1,0X86,0X8E凌阳，拇指凌阳凌阳，拇指凌阳VOID凌阳，拇指凌阳DELAYMSUINT凌阳，拇指凌阳X/延时函数，拇指110292晶振下为1MS凌阳，拇指凌阳凌阳，拇指凌阳UINT凌阳，拇指凌阳I,J凌阳，拇指凌阳FORIXI0I凌阳，拇指凌阳FORJ110J0J凌阳，拇指凌阳凌阳，拇指凌阳2凌阳，拇指凌阳VOID凌阳，拇指凌阳KEYSCAN/键盘扫描函数凌阳，拇指凌阳凌阳，拇指凌阳IFMENU0/检测功能键是否按下凌阳，拇指凌阳凌阳，拇指凌阳DELAYMS5/按键去抖动凌阳，拇指凌阳IFMENU0/检测功能键是否按下凌阳，拇指凌阳凌阳，拇指凌阳SPEAKERSPEAKER/提示音凌阳，拇指凌阳DELAYMS5凌阳，拇指凌阳WHILEMENU/等待按键被松开凌阳，拇指凌阳NUM1/功能键计数凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳IFNUM11/按一下功能键，拇指调节秒凌阳，拇指凌阳凌阳，拇指凌阳TR00/关闭定时器凌阳，拇指凌阳IFPLUS0/检测加1键是否按下凌阳，拇指凌阳凌阳，拇指凌阳DELAYMS5/按键去抖动凌阳，拇指凌阳IFPLUS0/检测加1键是否按下凌阳，拇指凌阳凌阳，拇指凌阳SPEAKERSPEAKER/提示音凌阳，拇指凌阳3DELAYMS5凌阳，拇指凌阳WHILEPLUS凌阳，拇指凌阳MIAO凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳IFMINUS0/检测减1键是否按下凌阳，拇指凌阳凌阳，拇指凌阳DELAYMS5/按键去抖动凌阳，拇指凌阳IFMINUS0/检测减1键是否按下凌阳，拇指凌阳凌阳，拇指凌阳SPEAKERSPEAKER/提示音凌阳，拇指凌阳DELAYMS5凌阳，拇指凌阳WHILEMINUS凌阳，拇指凌阳MIAO凌阳，拇指凌阳IFMIAO1/如果减到1，拇指改为59凌阳，拇指凌阳MIAO59凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳IFNUM12/按两下功能键，拇指调节分凌阳，拇指凌阳凌阳，拇指凌阳TR00凌阳，拇指凌阳4IFPLUS0/检测加1键是否按下凌阳，拇指凌阳凌阳，拇指凌阳DELAYMS5/按键去抖动凌阳，拇指凌阳IFPLUS0/检测加1键是否按下凌阳，拇指凌阳凌阳，拇指凌阳SPEAKERSPEAKER/提示音凌阳，拇指凌阳DELAYMS5凌阳，拇指凌阳WHILEPLUS凌阳，拇指凌阳FEN凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳IFMINUS0/检测减1键是否按下凌阳，拇指凌阳凌阳，拇指凌阳DELAYMS5/按键去抖动凌阳，拇指凌阳IFMINUS0/检测减1键是否按下凌阳，拇指凌阳凌阳，拇指凌阳SPEAKERSPEAKER/提示音凌阳，拇指凌阳DELAYMS5凌阳，拇指凌阳WHILEMINUS凌阳，拇指凌阳FEN凌阳，拇指凌阳IFFEN1凌阳，拇指凌阳FEN59凌阳，拇指凌阳凌阳，拇指凌阳5凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳IFNUM13/按三下功能键，拇指调节时凌阳，拇指凌阳凌阳，拇指凌阳TR00凌阳，拇指凌阳IFPLUS0/检测加1键是否按下凌阳，拇指凌阳凌阳，拇指凌阳DELAYMS5/按键去抖动凌阳，拇指凌阳IFPLUS0/检测加1键是否按下凌阳，拇指凌阳凌阳，拇指凌阳SPEAKERSPEAKER/提示音凌阳，拇指凌阳DELAYMS5凌阳，拇指凌阳WHILEPLUS凌阳，拇指凌阳SHI凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳IFMINUS0/检测减1键是否按下凌阳，拇指凌阳凌阳，拇指凌阳DELAYMS5/按键去抖动凌阳，拇指凌阳IFMINUS0/检测减1键是否按下凌阳，拇指凌阳凌阳，拇指凌阳6SPEAKERSPEAKER/提示音凌阳，拇指凌阳DELAYMS5凌阳，拇指凌阳WHILEMINUS凌阳，拇指凌阳SHI凌阳，拇指凌阳IFSHI1凌阳，拇指凌阳SHI23凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳IFNUM14/按四下功能键，拇指开启定时器，拇指继续工作凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳NUM10凌阳，拇指凌阳凌阳，拇指凌阳TR01凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳凌阳，拇指凌阳VOID凌阳，拇指凌阳DISPLAYUINT凌阳，拇指凌阳NUM01,UINT凌阳，拇指凌阳NUM02,UINT凌阳，拇指凌阳NUM03,UINT凌阳，拇指凌阳NUM04,UINT凌阳，拇指凌阳NUM05,UINT凌阳，拇指凌阳NUM06/数码管动态显示凌阳，拇指凌阳凌阳，拇指凌阳P00XFF/清显示凌阳，拇指凌阳P30XBF/控制秒十位显示凌阳，拇指凌阳P0TABLENUM01/显示秒十位凌阳，拇指凌阳DELAYMS1/延时1MS凌阳，拇指凌阳7凌阳，拇指凌阳P30X7F/控制秒个位显示凌阳，拇指凌阳P0TABLENUM02/显示秒个位凌阳，拇指凌阳DELAYMS1/延时1MS凌阳，拇指凌阳凌阳，拇指凌阳P30XFB/控制中间间隔显示凌阳，拇指凌阳P00XBF/显示一条短横线凌阳，拇指凌阳DELAYMS1凌阳，拇指凌阳凌阳，拇指凌阳P30XF7凌阳，拇指凌阳P0TABLENUM03凌阳，拇指凌阳DELAYMS1凌阳，拇指凌阳凌阳，拇指凌阳P30XEF凌阳，拇指凌阳P0TABLENUM04凌阳，拇指凌阳DELAYMS1凌阳，拇指凌阳凌阳，拇指凌阳P30XDF凌阳，拇指凌阳P00XBF凌阳，拇指凌阳DELAYMS1凌阳，拇指凌阳凌阳，拇指凌阳P30XFE凌阳，拇指凌阳P0TABLENUM05凌阳，拇指凌阳DELAYMS1凌阳，拇指凌阳凌阳，拇指凌阳P30XFD凌阳，拇指凌阳8P0TABLENUM06凌阳，拇指凌阳DELAYMS1凌阳，拇指凌阳凌阳，拇指凌阳VOID凌阳，拇指凌阳TIME_1凌阳，拇指凌阳INTERRUPT凌阳，拇指凌阳1/定时中断凌阳，拇指凌阳凌阳，拇指凌阳TH06553645872/256/50MS定时（12MHZ晶振为TH06553650000/256）凌阳，拇指凌阳TL06553645872256凌阳，拇指凌阳JISHI凌阳，拇指凌阳凌阳，拇指凌阳VOID凌阳，拇指凌阳CONTEST/时间设置函数凌阳，拇指凌阳凌阳，拇指凌阳IFJISHI20/JISHI为20，拇指及1S凌阳，拇指凌阳凌阳，拇指凌阳JISHI0凌阳，拇指凌阳MIAO/秒加1凌阳，拇指凌阳凌阳，拇指凌阳IFMIAO60/如果秒为60，拇指秒清零，拇指分加1凌阳，拇指凌阳凌阳，拇指凌阳MIAO0凌阳，拇指凌阳FEN凌阳，拇指凌阳凌阳，拇指凌阳9IFFEN60凌阳，拇指凌阳凌阳，拇指凌阳FEN0凌阳，拇指凌阳SHI凌阳，拇指凌阳凌阳，拇指凌阳IFSHI24凌阳，拇指凌阳凌阳，拇指凌阳SHI0凌阳，拇指凌阳凌阳，拇指凌阳MIAO1MIAO/10/秒十位送显示凌阳，拇指凌阳MIAO2MIAO10/秒个位送显示凌阳，拇指凌阳FEN1FEN/10凌阳，拇指凌阳FEN2FEN10凌阳，拇指凌阳SHI1SHI/10凌阳，拇指凌阳SHI2SHI10凌阳，拇指凌阳凌阳，拇指凌阳VOID凌阳，拇指凌阳MAIN凌阳，拇指凌阳凌阳，拇指凌阳TMOD0X01/定时器零工作在模式0下凌阳，拇指凌阳TH06553645872/256/50MS初值设置凌阳，拇指凌阳TL06553645872256凌阳，拇指凌阳EA1/开中断凌阳，拇指凌阳10ET01/开启定时器0中断凌阳，拇指凌阳TR01/启动定时器0凌阳，拇指凌阳WHILE1凌阳，拇指凌阳凌阳，拇指凌阳CONTEST/调用时间设置函数凌阳，拇指凌阳DISPLAYMIAO1,MIAO2,FEN1,FEN2,SHI1,SHI2/调用显示函数凌