文件名称:shuangzijiechabiao
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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
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
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