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2008•Journal of Lanzhou Jiaotong UniversityRequires access

Calling an Assembly Routine from C Program in KEIL C51 Compiler

Yaoqi Wang

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Abstract

In recent years,C language has become to develop the main tool of development microcontrollers,but in some special applications the assembly language programming is still needed.For example,Writing some interface protocols that request very strict time sequence.It must involve calling assembly routine from C program.That is mixed programming problems.The methods and principles of C and assembly language calling each other in KEIL C51 compiler are introduced in detail.Furthermore,the specification of mixed programming and the issues which should be paid more attention are elaborated through three specific examples.

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What this paper is about

In recent years,C language has become to develop the main tool of development microcontrollers,but in some special applications the assembly language programming is still needed.For example,Writing some interface protocols that request very strict time sequence.It must involve calling assembly routine from C program.That is mixed programming problems.The methods and principles of C and assembly language calling each other in KEIL C51 compiler are introduced in detail.Furthermore,the specification of mixed programming and the issues which should be paid more attention are elaborated through three specific examples.

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Available abstract

In recent years,C language has become to develop the main tool of development microcontrollers,but in some special applications the assembly language programming is still needed.For example,Writing some interface protocols that request very strict time sequence.It must involve calling assembly routine from C program.That is mixed programming problems.The methods and principles of C and assembly language calling each other in KEIL C51 compiler are introduced in detail.Furthermore,the specification of mixed programming and the issues which should be paid more attention are elaborated through three specific examples.

Key concepts: Compiler, Assembly language, Programming language, Computer science, Interface (matter), Microcontroller, Software engineering, Operating system

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