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(DOS function calls) AH (DOS function calls).00H EntryTERMINATE A PROGRAMExit 01H Entry Exit Notes DOS is entered READ THE KEYBOARD AH 01H AL ASCII character If AL 00H the function call must be invoked
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How to fill out dos function calls

01
Identify the specific DOS function call you want to use.
02
Prepare the appropriate input parameters for the function call.
03
Check the documentation or reference materials for the correct format and order of the input parameters.
04
Set up the appropriate data structures to hold the input parameters.
05
Call the DOS function using the appropriate interrupt number and input parameter block.
06
Retrieve the results or output parameters from the DOS function call.
07
Process the results or use the output parameters as needed.
08
Clean up any allocated resources or released memory if necessary.

Who needs dos function calls?

01
Developers working on DOS-based applications or software that need to interact directly with the DOS operating system.
02
Programmers who want low-level control over system functions or hardware access in a DOS environment.
03
Individuals or organizations maintaining legacy systems or software that still rely on DOS function calls.
04
Computer enthusiasts and hobbyists who are interested in learning about or experimenting with the inner workings of the DOS operating system.
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Dos function calls are a way for software programs to interact with the operating system by sending requests for specific tasks to be performed.
Developers and programmers who are writing software applications that need to access the operating system's functions are required to file dos function calls.
Dos function calls are typically filled out by writing code in a programming language that makes specific requests to the operating system for tasks to be executed.
The purpose of dos function calls is to enable software applications to utilize the functionality provided by the operating system, such as accessing files, managing memory, and controlling hardware devices.
Dos function calls must include specific parameters and arguments that define the task to be performed, as well as any necessary input data.
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