ARx的意思是寄存器的绝对地址。
但是,这个绝对地址是编译时确定,而非运行时确定的。
所谓"AR0 – AR7 Represent the absolute data addresses of R0 through R7 in the current register bank. The absolute address for these registers changes depending on the register bank that is currently selected. "是误导。 |