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Assembly Source File  |  1985-06-21  |  384b  |  16 lines
  1. ;ROUTINE TO READ A BYTE    FROM A FILE
  2. ;
  3. readfile     proc      far
  4. ;
  5.           mov    ah,3Fh      ;read    from a file
  6.           int    21h      ;DOS call
  7.           cmp    ax,cx      ;everything back?
  8.           je    readfile1 ;skip    if OK
  9.           mov    ax,21      ;not all read
  10.           stc          ;set carry if    error
  11. ;
  12. readfile1:
  13.           ret
  14. ;
  15. readfile     endp
  16.