指令长度

该微处理器主要由控制器、运算器和寄存器组成，具有指令控制、操作控制、时间控制和数据加工等基本功能，其指令长度为16位定长，采用立即寻址和直接寻址两种方式。

The microprocessor mainly consists of controller , operator and registers , and have the basic functions of instruction control , operation control , time control and data process . Its instruction length is 16 bits .

根据ARM7处理器的指令长度和数据类型等方面的特点，对Kaffe虚拟机的数据结构进行了重新设置。

According to the characteristics such as length of the instructions and data types of ARM7 , data structure of Kaffe was reset .

它采用了RISC技术，具有寻址方式简单，寄存器多，指令长度固定等特点，使得它的处理速度快，执行效率高。

It used the RISC technology and owned the character of simple addressing method , large register and fixed length instruction .

针对前者，本文提出了一种空操作NOP复用的方法，利用空操作字段存储长立即数以缩短指令长度。

For the former the method of reusing NOP operation is presented in this paper to store the long immediate data so as to shorten the width of instruction .

所有指令的长度都是四个字节并且字和字之间对齐。

All instructions are four bytes long and word-aligned .

另外，这还导致每条指令的长度从32个脉冲增加到40个脉冲，所以还需要更多的硬件设备。

It also increased the length of the instruction words from thirty-two to forty pulses , again requiring more equipment .

通过缩短每次发送的查询指令的长度和根据碰撞位的信息自适应选择二叉树或是四叉树进行搜索两个方面提高算法的效率和系统的吞吐率。

Shorten the length of the query command each time you send and the collision bit adaptive to selecting binary tree or quadtree search to improve the efficiency of the algorithm and system throughput . 4 .

但它的缺点是，指令序列的长度受到了限制，而且插插头的工作需要耗时一整天。

The disadvantage was that the sequence of instructions was limited in length , and that it would take a day or so to do the plugging .

length指令确定字符串的长度并将其加载到一个整数寄存器中。

The length instruction determines the length of the string and loads it into an integer register .

对486指令系统的指令长度、指令的使用频率、指令的编码特点进行了深入分析，提出了加快译码速度的设计方案。

Deeply studied the length of the 486 instructions , frequency in using of the instructions , the character of the instruction encoder . Brought out the design idea to speedup decoding .

CISC结构的微处理器指令功能复杂，指令长度不固定。

CISC instruction is complex in function and variable in length .