| 释义 |
add instruction 加法指令 A computer instruction that performs an arithmetic addition of two numbers. Usually the augend must be put into the accumulator first. The addend may be in another CPU register or may be fetched from a memory location. After the add instruction is executed,the result is in the accumulator. 执行两个数的算术加法的计算机指令。通常被加数必须先放入累加器,加数可以在CPU的 另一个寄存器中,或取自某个内存单元。加法指令执行以后,其结果放在累加器中。 |