addr16 3、 返回指令(Return From Subroutine)RET操作: 子程序返回指令, 它把ACALL或LCAI上保存入椎栈的PC值弹入PC, SP值减2。 于是CPU接下来执行的将是ACALLLCALL条指令。
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内联总是减少指令执行的数量(这是由于最低限度的调用和返回指令没有被执行),但是它能(并经常)让结果代码变得很大。
Inlining always reduces the number of instructions executed (since at a minimum the call and return instructions are not executed), but it can (and often does), make the resulting code bigger.
执行中断返回指令;
然后,他们再乘坐登月舱返回指令舱,以返回地球。
Later, the landing vehicle would carry them back to the command module for the return trip to Earth.
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