你一直在写指令手册，却没有告知我？
You have been writing an instruction manual this entire time and you didn't tell me about it?
读操作的数据必须结束或者截断，否则不能发送写指令。
Data from READ burst must be completed or truncated before a subsequent WRITE command can be issued.
用C51程序设置对于控制器的读、写状态的时序，从而实现对于控制器的写指令代码、写数据代码、清屏幕、屏幕滚动功能的操作。
C51 program has been set the schedule of reading and writing status for controller. It can work out some operations of writing instruction code, writing data code, clear screen and roll screen.
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