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以下指令之间有什么区别(除了标志的影响)?
ADD R6, SP, #0xDC
和
LDR R6, [SP, #0xDC]
ADD adds numbers, LDR loads data from memory to registers.
ADD R6, SP, #0xDC -> R6 = SP + 0xDC LDR R6, [SP, #0xDC] -> R6 = memory_contents_of_address(SP + 0xDC)