(3)地址寄存器(Address Register)或偏移寄存器(Offset Register):每个 DMA通道都有一个16位的地址寄存器,表示系统RAM中的DMA缓冲区的起始位置在页内的偏移。
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As I mentioned earlier, LR_OFFSET is the offset from the end of the stack to the link register save area.
正如我先前提到的,LR_OFFSET是堆栈末端到链接寄存器保存区的偏移量。
In base-pointer addressing mode, the register has the base address and the literal number has the offset.
在基指针寻址模式中,寄存器中保存的是基址,数字是偏移量。
So, using base-pointer addressing, you would specify register X as the base pointer and 8 as the offset.
因此,使用基指针寻址模式,我们可以指定寄存器x作为基指针,8作为偏移量。
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