🚀 go-pugleaf

Hello:

Subject:   TSR Program to import an ASCII file into a text
           editor/word processor.

Problem:   Our present email system has no import feature; all
           editing must be done within the email systems editor.

Solution:  Write a TSR program to perform the following:

               1)  Activate upon key sequence (alt I).
               2)  Get file name of ASCII file from user.
               3)  If valid file perform the following from start of
                   the file to the end of the file:
                   a)  Get string of text from file.
                   b)  Stuff each character from the input string
                       into the keyboard buffer.

Programming Dilema:  TSR program fills keyboard buffer (16
                     characters), and overloads the keyboard buffer.
                     Only the first 16 characters from the file are
                     actually imported.  The buffer is not read
                     (cleared) until the TSR becomes inactive, and
                     the calling program takes over once again.

Best Guess:          Temporarily transfer control to calling program
                     in order for the calling program to read
                     (clear) the keyboard buffer --- then return to
                     the TSR.  The sequence should be as follows:

                     1)  Stuff 16 characters or less into the
                         keyboard buffer.
                     2)  Transfer control to calling program until
                         keyboard buffer is read (cleared).
                     3)  Repeat 1 and 2 until no more characters
                         from the text file can be processed.

Question:            How to implement the "best guess" in Modula-2
                     or another high level language?



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