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以下两行有什么区别?
mov ax, bx mov ax, [bx]
如果bx包含值 100h 并且内存地址 100h 处的值是 23,那么第二个是否将 23 复制到ax?
bx
ax
另外,以下两行之间有什么区别?
mov ax, 102h ; moves value of 102h into register ax mov ax, [102h] ; Actual address is DS:0 + 102h
是的。括号之间的操作数被视为地址,如果获取该内存地址的值。