双字节数据查表程序

输入数据(0-255)存放在21h中,同时21h为奇偶判断存储器

偶数查第一个表

奇数查第二个表

查表结果,高字节在r6,低字节在r7

注意：程序执行到表格时，一定要用跳转指令跳过表格，否则会把表格当作程序执行，出错

最长的定时时间为10mS@16MHz晶振

；白菜奉献

-double byte data entry procedures (0-255) stored in 21h, while 21 h of judgment memory even parity check first table odd investigations second table look-up table, the high byte in r6, in the low byte r7 Note : procedures to form, we must employ Jump instructions to skip form Otherwise forms will be deemed to implement procedures that go wrong longest regular time for 10 mS @ 16MHz crystal oscillator; cabbage dedication