SHOW is a LIST-like program that displays files of up to 64K.
It has a fast direct-to screen routine and lots of good
examples of macros in the .INC files.  The executable could
be a lot smaller with more discriminate use of PROC calls,
since many of the macros expand to inline code.

This is from MASM 5.1.  The code is public domain, according to page
Update-5 of the MASM 5.1 Update manual.

To create SHOW.EXE using TASM:
  TASM SHOW
  TASM PAGER
  TLINK SHOW+PAGER

To create SHOW.EXE using MASM:
  MASM SHOW;
  MASM PAGER;
  LINK SHOW+PAGER;

  This creates SHOW.EXE, the executable file.  To use it, enter

    C:\TASM>SHOW <filename>

  at the DOS prompt.  For example, to display PAGER.ASM, enter

    C:\TASM>SHOW PAGER.ASM

  at the DOS prompt.