ROM is usually for the permanent, non-volatilestorage of an applications program.
ROM通常是用于永久的、非易失的应用程序存储。
2
This means that its internal state must be loaded from some non-volatilestorage medium on power-up.
这就是说其内部状态必须一加电就从非易失性存储介质加载。
3
The local variable space is used as a general storage area for the function, and the register save area is used to save the values of non-volatile registers that the function USES.