This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

28335中断 CPU寄存器需要保护吗

我用汇编写的程序,有时用ACC存数据时,得不到我想要的数据,是我程序问题还是中断时应该人为的对这些寄存器保护一下,请教一下