⑤STOS存字符串指令 STOS存字符串指令(Store String) 格式 STOS 目的串。 功能 AL/AX(字节/字操作)的一个字节或字ES:DI所 指的目的串;修改DI,以指向串中的下一个单元。
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巨集让使用者可以按一个键就执行一串指令。
Macros enable users to execute a number of commands with a single keystroke.
非常明智,可以确保在字符串指令进行逻辑上的方向寄存器的自动调整。
Very sensible - ensures that the auto-adjustment of registers in string instructions proceeds in the logical UP direction.
使用带有repeat前缀的字符串指令将该函数优化成一个非常紧密的循环。
This function is optimized as a very tight loop using string instructions with the repeat prefix.
It's a long sequence of instructions, it starts at the beginning, walks through, may jump around a little bit, but eventually comes down at the end. It's okay for the things you're doing for the early problem sets.
这是一长串指令,从开端开始,向前步行,偶尔来回跳一会儿,但是最终会走到结尾,这些足以解决最初级的问题。
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