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HISTORY.B&F
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1990-06-05
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This file contains a summary of changes made to Back & Forth. They are listed
in reverse order, the most recent additions and modifications listed first.
──────────────────────────────────────────────────────────────────────────────
Version 1.31 June 5, 1990
A) Notes:
* Added a program called BNFCNVT.COM which will convert the B&F variables
file (BFVARS) to new format. If you try and run BNF or BNFHIGH, and you
haven't run the convert program, you will be informed to do so. If you
try and use the BFVARS file with an earlier version of B&F after it has
been converted, B&F will report the B&F variable file has been corrupted
and it will be reset (therefore, do NOT run an earlier version of B&F
with a converted BFVARS file)!
B) Bug fixes first:
* SWITCH program restarted a partiiton if it was already active.
──────────────────────────────────────────────────────────────────────────────
Version 1.30 June 1, 1990
A) Bug fixes first:
* Screen blanker didn't work when screen enhancer programs like UltraVision
were loaded.
* Cut/paste default hot keys weren't initialized correctly and required the
user to set them through setup.
* Fixed "Not enough file handles" error message gotten when Word Perfect
was run when 4DOS was used as the command interpreter!
* Fixed a bug which caused several different types of errors on various
systems (speeded up clock, the left shift stayed on, etc).
* Back & Forth didn't work with FILES loaded high or DOS 4.x SHARE command.
* Video save files were not deleted all the times.
* Back & Forth now restores EGA/VGA graphic screens more precisely.
* Mouse cursor left a bald spot on graphic screens.
* Fixed delay caused when MOUSE driver is loaded globally. The delay on
PS/2s was unbearable!
* Clock and swapping message were incorrectly shown when swapping a
partition that didn't have the active page set to 0!
* Back & Forth NEVER worked satisfactorily if you loaded PC-PAINT
Brush 4.0+ and then swapped to another partition.
B) Enhancements:
* Changed initial screen delay from 30 seconds to just requiring user to
press a ramdomly generated key.
* Increased maximum swap size allowed on individual drives to 16MB. Please
note though that B&F won't allow more the 20 x largest task size to be
allocated. The 20 represents the current maximum # of tasks.
* The cut mode now allows mixing of format attributes: each time you do a
cut, Back & Forth stores the cut text with the current cut format.
* Added two new toggles to Cut/Options menu: stripping of leading and
trailing blanks.
* Cut mode can now cut any size text screen as long as it is 80 columns or
wider.
* Added shadowing to most windows in various B&F modules.
* Added 2 letter/number id byte to each program definition. This will be
used for future compatibility with other programs such as StacKey. This
also allows quick Desqview(tm) like program execution on the main menu!
* Added a map of already defined hotkeys in the hotkey editor.
* Enhanced mouse support to allow users to load mouse driver locally in
individual partitions. Prior versions of B&F would only save/restore
mouse condititions if the mouse was loaded globally. We recommend the
user to load the MOUSE.COM control program high if possible otherwise
to run it individually in partitions where a mouse is needed
(thus allowing partitions that don't need the mouse to have 5 or so
more k of memory)!
* Changed way hot keys are assigned to give a wider range of keys. Please
note though the following keys/key combinations will NOT be allowed:
1) Ctrl-Alt-Delete
2) Ctrl-Up
3) Ctrl-Down
4) Any key combination using one of the extended keyboard cursor keys.
C) New features:
* Added AUTOLOADing of programs! Back & Forth has two types of automatic
switching:
1) Waiting for keyboard request - This option will switch to the next
task as soon as the loaded program requests any keyboard input. This
option should be used for most programs as it will be the most sure
and most likely the fastest (a program has to be fully loaded to be
requesting keyboard input!).
2) Timed delay in seconds - This option will count down a specifed
number of seconds and then switch to the next task. This option
should be used for programs that don't request any keyboard activity
after being loaded (I can't think of an example)!
* The # of screen lines can now be toggled between 25/43/50 lines on
systems with EGA/VGA video cards. This is done under the Options menu
in the setup module.
* Added a small program called SWITCH.COM that allows the user to switch
partitions from the command line of a partition.
* Added EMS memory cleanup module - Back & Forth now performs a
mark/release like action on all EMS handles associated with a task
after it is closed. So, if a TSR or other program using EMS locks up or
does not relinquish EMS memory, you can pop back to B&F and close the
task. This routine will then remove all vestiges without trouble. This
is also used to remove 4DOS without using EXIT to close the partition.
* Back & Forth can now be loaded high and thus use less than 1k of memory!
* Added swapping to extended memory if the HIMEM.SYS driver is loaded.
* Added user initiated screen blanker. Pressing the '5' key on the numeric
pad will automatically blank the screen.
* Added two new B&F task movement hotkeys:
<Ctrl-UP> will goto to the preceeding open task. If the current task
is the first opened, then the last task will be come the
foreground task.
<Ctrl-DOWN> will goto to the next open task. If the current task is the
last opened, then the first task will be come the foreground
task.
* Keyboard click. It can be toggled on/off under keyboard item in setup
module.
* FASTKEY! (keyboard accelerator). Set delay and rate under keyboard item
in setup module.
* Changed way B&F works with UltraVision as discuessed with one of its
authors, John Jurewicz, to assure better compatibility with some of UV's
advanced features.
* Added UV mode support for B&F and individual programs! This requires UV
to be loaded globally!
* B&F now allows the user to specify an environment size for each task. This
is done in the program setup editor.
* And much, much, more!!!!
──────────────────────────────────────────────────────────────────────────────
Version 1.12 March 28, 1990
-A) Bug fixes first:
* Screen wasn't restored correctly on monochrome systems.
B) Enhancements:
* B&F is about 1-2k smaller!
C) New Features:
* Added new version of B&F kerenel called B&FEGA.EXE. This version of B&F
is for people who have EGAs. All other video cards should use B&F.EXE.
* Added a small TSR called B&FFIRST.COM. If you are using programs like
UltraVision that enhance the display, you should run B&FFIRST before UV.
This will allow Ultravision to be loaded HIGH and globally!
** Note ** B&FFIRST can be loaded HIGH.
* Added a new hotkey called "B&F Super Hotkey!". This key should be used
to call up the B&F menu when all other hotkeys fail. This was added for
programs that take over the keyboard and don't give control back.
The super hotkey is <LSHIFT>-<Ctrl>-<Alt> simultaneously!
──────────────────────────────────────────────────────────────────────────────
Version 1.11 March 22, 1990
* Minor bug fix: DOS critical error handler wasn't always restored correctly
when switching directly between tasks.
──────────────────────────────────────────────────────────────────────────────
Version 1.10 March 21, 1990
A) Bug fixes first:
* Better restoration EGA/VGA palette,
* Command stack sometimes went flakey after it filled up
B) Enhancements:
* Added better support for running programs on networks.
* Inactive programs can now be loaded directly be pressing the program's
defined hot keys,
* Maximum # of tasks has been increased from 9 to 20.
* TSR partitions are now easier to setup by defining a program with the
"STAY AT DOS" option.
* DOS commands as well as 4DOS aliases can now be executed as programs!
C) New Features:
* Added direct support for 4DOS.
* Added support for Ultra Vision (follow the directions in the B&F doc
file)!
* Added a cut/paste module.
* Added a background clock.
──────────────────────────────────────────────────────────────────────────────
Version 1.01 February 28, 1990
* Changed way B&F passes environment. In version 1.00 B&F used the DOS master
environment block but under some versions of DOS it couldn't find it.
──────────────────────────────────────────────────────────────────────────────
Version 1.00 February 27, 1990
* Official release of Back & Forth into Shareware!
──────────────────────────────────────────────────────────────────────────────