assembly subroutine

简明释义

汇编子程序;

英英释义

例句

1.To interface with hardware, we need to call an assembly subroutine that directly manipulates the registers.

为了与硬件接口，我们需要调用一个直接操作寄存器的汇编子例程。

2.An assembly subroutine is often used in embedded systems for tasks requiring low-level hardware control.

在嵌入式系统中，汇编子例程通常用于需要低级硬件控制的任务。

3.Using an assembly subroutine can significantly reduce the execution time of a critical operation.

使用汇编子例程可以显著减少关键操作的执行时间。

4.The programmer wrote an assembly subroutine to optimize the performance of the code.

程序员编写了一个汇编子例程以优化代码的性能。

5.Debugging an assembly subroutine can be challenging due to its low-level nature.

调试一个汇编子例程可能会很有挑战性，因为它是低级的。

作文

In the world of computer programming, efficiency and precision are paramount. One of the key concepts that contribute to these qualities is the use of an assembly subroutine. An assembly subroutine is a sequence of instructions written in assembly language that performs a specific task. This allows programmers to reuse code, making their programs more efficient and easier to manage.Assembly language is a low-level programming language that is closely related to machine code. It provides a way for programmers to write instructions that the computer's processor can execute directly. However, writing in assembly language can be tedious and error-prone, which is why the concept of a assembly subroutine is so valuable.A assembly subroutine typically encapsulates a set of operations that can be called from various points within a program. For example, if a programmer needs to perform a calculation multiple times throughout their code, they can write a assembly subroutine to handle that calculation. Instead of rewriting the same lines of code each time, the programmer simply calls the assembly subroutine, passing any necessary parameters. This not only saves time but also reduces the chance of errors.Moreover, using assembly subroutines can lead to better organization of code. By breaking down complex tasks into smaller, manageable pieces, developers can create programs that are easier to understand and maintain. Each assembly subroutine can be tested independently, ensuring that it functions correctly before being integrated into the larger program. This modular approach is a fundamental principle of software development.Another important aspect of assembly subroutines is their impact on performance. Assembly language allows for fine-tuning of operations, which can lead to faster execution times compared to higher-level languages. When a programmer writes a assembly subroutine, they have control over how the processor handles instructions, enabling them to optimize the code for speed and efficiency.In practical applications, assembly subroutines are often used in systems programming, embedded systems, and performance-critical applications. For instance, in the development of operating systems, assembly subroutines may be employed to handle low-level hardware interactions or to optimize resource management. In gaming, where performance is crucial, developers might use assembly subroutines to implement graphics rendering or physics calculations.In conclusion, the concept of an assembly subroutine is essential for anyone looking to delve into low-level programming. Understanding how to effectively utilize assembly subroutines can significantly enhance a programmer's ability to write efficient, organized, and high-performance code. As technology continues to evolve, the importance of mastering such foundational concepts will only grow, making the study of assembly subroutines a valuable endeavor for aspiring developers.

在计算机编程的世界中，效率和精确度至关重要。一个有助于实现这些质量的关键概念是使用汇编子程序。汇编子程序是一组用汇编语言编写的指令序列，用于执行特定任务。这使得程序员可以重用代码，从而使他们的程序更加高效，更易于管理。汇编语言是一种低级编程语言，与机器代码密切相关。它为程序员提供了一种编写计算机处理器可以直接执行的指令的方法。然而，用汇编语言编写代码可能很繁琐且容易出错，这就是汇编子程序概念如此宝贵的原因。汇编子程序通常封装了一组可以从程序中的多个点调用的操作。例如，如果程序员需要在代码中多次执行计算，他们可以编写一个汇编子程序来处理该计算。程序员只需调用汇编子程序，传递任何必要的参数，而不是每次都重写相同的代码行。这不仅节省了时间，还减少了出错的机会。此外，使用汇编子程序可以更好地组织代码。通过将复杂任务分解为较小的可管理部分，开发人员可以创建更易于理解和维护的程序。每个汇编子程序都可以独立测试，确保其在集成到更大的程序中之前正常运行。这种模块化的方法是软件开发的基本原则。汇编子程序的另一个重要方面是它们对性能的影响。汇编语言允许对操作进行微调，这可能导致与高级语言相比更快的执行时间。当程序员编写汇编子程序时，他们可以控制处理器如何处理指令，从而优化代码以提高速度和效率。在实际应用中，汇编子程序通常用于系统编程、嵌入式系统和性能关键的应用程序。例如，在操作系统的开发中，可能会使用汇编子程序来处理低级硬件交互或优化资源管理。在游戏开发中，性能至关重要，开发人员可能会使用汇编子程序来实现图形渲染或物理计算。总之，汇编子程序的概念对于任何希望深入了解低级编程的人来说都是必不可少的。有效利用汇编子程序的能力可以显著增强程序员编写高效、有组织和高性能代码的能力。随着技术的不断发展，掌握这些基础概念的重要性只会增加，因此学习汇编子程序将成为有志于开发者的宝贵努力。