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- COUNT UP TIMER
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-
- CT is a special purpose countdown timer. It was developed for use in
- situations requiring a "one-touch" restart, to the specifications of Jim
- Magin of Ellicott City Maryland.
-
-
- This program requires VGA graphics and a 80286 or better machine. It was
- tested on a generic 80386SX-33 machine with a color VGA monitor. I believe
- it will work on a laptop's monochrome VGA display, but had none available to
- test.
-
- To execute the program, type CT at the DOS prompt. Press a key at the
- opening screen to proceed to the setup prompts. The first prompt is "Enable
- flashing clock ticks?". This allows a once per second visually interesting
- flashing display, if desired. "Enable time warning?" permits a warning buzz
- when the timer counts up to a preset time. Finally, pressing a key begins
- the timer.
-
- Any time after the timer has begun counting down, pressing the ESCAPE key
- exits the program. Pressing RETURN while the timer is running freezes the
- timer without resetting it. Pressing any other key (besides ESCAPE) while
- the timer is running resets it to zero and restarts it. The SPACE bar is
- probably the most convenient key to use for this purpose. Note that pressing
- a Function Key, a cursor movement key, or a key on the numerical keypad
- counts as two keystrokes, so that doing so while the timer is running resets
- it twice and starts it running again twice (an annoying flicker may be
- noticeable).
-
- The number at the screen bottom keeps track of how many times the timer has
- been started. This may be useful in applications where event counting is
- desirable.
-
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-
- This program was developed using the kernel of the C++ code for my CHESSCLK
- (Chess Clock) program. The CountdownTimer class proved very useful for this
- purpose. The C++ and C source code is enclosed for those programmers among
- you to play around with. Please do not distribute any modified versions of
- the program without my permission. Improvements will be gratefully
- acknowledged, though.
-
- Yours,
-
-
-
- M\Cooper
- 3425 Chestnut Ridge Rd.
- Grantsville, MD 21536-9801
- --------------------------
- Email: thegrendel@aol.com
-