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21h?

what does the 21h function do?

Comments

  • slicer69slicer69 Member Posts: 272
    The 21h set of functions is called the DOS interrupt on Intel machines.
    It is actually a collection of a lot of functions and sub functions.
    For example function 01/21h reads a character from standard input.
    Function 09/21h prints a string to standard output. Other functions
    in the 21h collection read/write/open/close files and other basics that
    DOS provides for you.

    : what does the 21h function do?

  • emu8086emu8086 Member Posts: 125
    : what does the 21h function do?

    you find some descriptions here:

    http://www.geocities.com/emu8086/Help/supported_interrupts.html

    only most common are described there.

  • Andre YoungAndre Young USAMember Posts: 0

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