These four operations, together with their options, use all 256 instruction codes . 这四种操作再加上对于它们的各种选择方案,总共需要用掉全部256个指令代码。
The microprocessor instruction code must have some bits to identify every possible source register and destination register . 微处理机的指令代码就必须要有若干位,以便能够识别出每个可能的源寄存器和每个可能的目的地寄存器。
Basic beginner " s all - purpose symbolic instruction code 初学者通用符号指令代码
Basic beginners all - purpose symbolic instruction code basic 语言初学者通用指令码
Basic beginner " s all - purpose symbolic instruction code 初学者通用指令代码