汇编语言：在两个数码管上实现00-99的循环显示(共15页).docx

;此程序为在两个数码管上实现00-99的循环显示;设置ramDATA_IN DATA 20H;接收数据缓冲寄存器DATA_OUT DATA 21H;发送数据缓冲寄存器BIT_COUNT DATA 22H;数据位数寄存器/HOUR DATA 23H/MINITE DATA 24H/SECOND DATA 25H/MSECOND DATA 26HORG0000HLJMPINITORG000BHLJMPTIME0;定时器0中断入口 ORG 0013HLJMP KBHIT;初始化ORG0030HINIT:MOVDPTR,#4000H;HD7279A的地址MOVA,#10011111B;HD7279A初始化