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Text File  |  1992-01-12  |  4KB  |  78 lines
  1.         [ QBALL             -- Exterior Ballistics --                Hist 1 ]
  2.  
  3.                              A Short History of QBALL
  4.                              """"""""""""""""""""""""
  5.  
  6.         version      date    Remarks
  7.         -------     ------   -------
  8.         1.0          1986    Translated William C. Davis's published pro-
  9.                              gram from TRS-80 Basic to Microsoft GW-BASIC.
  10.                              Not released.
  11.  
  12.         1.0-1.4     1986-8   Several modifications/debug sessions/add fea-
  13.                              tures to v. 1.0; all GW-BASIC.  None released.
  14.  
  15.         1.5          1988    First QuickBasic 2.01 version.  Functionally
  16.                              the same as the last interpreted basic version.
  17.                              Released.
  18.  
  19.         1.5n-1.64    1988    Various developmental versions.  High numbers
  20.                              in series in QuickBasic 3.0.  None released.
  21.  
  22.         1.65         1988    Revamped menu system.  Rewritten (slightly) in
  23.                              QuickBasic 4.0.  Vastly improved ballistic data
  24.                              lookup ("if-elseif-...-else-endif" subroutine
  25.                              changed to a read-on-startup array).  Released.
  26.  
  27.         1.66-1.99   1988-91  Various developmental versions.  (v.1.85 was
  28.                              first to experimentally include graphics;
  29.                              v1.90, the first with point-blank range deter-
  30.                              mination; v.1.87 the first to include slant
  31.                              angle fire and free recoil.  Much greater use
  32.                              of subroutines to avoid as much in-line code
  33.                              as possible.)  None released.
  34.  
  35.         2.00         1991    First major upgrade.  Added graphics capabili-
  36.                              ty, save data to disk, additional functions.
  37.                              Released.  (First release of 2.00 required the
  38.                              BRUN45 module to function; corrected stand-
  39.                              alone .EXE file released with no other changes
  40.                              one week later.)
  41.  
  42.         2.00c        1991    Experimental version using CGA graphics.  SLOW,
  43.                              but it works.  Not released.
  44.  
  45.         2.01         1992    This is the first "mature" version of QBALL.
  46.                              Improved graphics routines, minor modifications
  47.                              to menus, disk read/write routines.  Improved
  48.                              error handling.  Modified printing routines.
  49.                              Code generally tightened up, though it still
  50.                              needs work.  Added "Drop to DOS" routine.  Doc-
  51.                              umentation more thoroughly proofread and tight-
  52.                              ened up.  Documentation released in "alternate
  53.                              page" format only.  Released.
  54.  
  55.         [ QBALL             -- Exterior Ballistics --                Hist 2 ]
  56.  
  57.         version      date    Remarks
  58.         -------     ------   -------
  59.         2.02         1992    Fixed bugs in cross wind routine.  Fixed bug in
  60.                              print routine for range tables exceeding two
  61.                              pages in length.
  62.  
  63.         n.nn          ?      What would you like to see?  Some ideas, just
  64.                              to get the juices flowing: include CGA graphics
  65.                              capability (must have EGA at present); monitor
  66.                              and graphics detection; mouse support in the
  67.                              menus; on-line help; graphics for other ballis-
  68.                              tic data, e.g., energies; saved or other data
  69.                              lookup.  Please let me know!
  70.                                    ______________________
  71.  
  72.                                     BENJAMIN  W. HARTLEY
  73.                                   Forest Park Estates #103
  74.                                   Jaffrey, NH        03452
  75.  
  76.                                    Voice#: (603) 532-6248
  77.  
  78.