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1987-05-24
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5KB
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120 lines
Documentation for DC1.COM DOS color program
*******************************************************************************
Special note: Users of enhanced keyboards please remember that keyboard
commands to DC1 must be issued with Number Lock off (otherwise
the program will just ignore). This is to avoid problems with
BIOS routine's accomodation for entering ASCII codes directly
from the keyboard via the ALT NumLock nnn combination. This
means that you will need to issue keyboard commands to DC1 from
your NUMERIC keypad with NUMBER LOCK OFF.
DON'T USE DC1 WITH A COMMAND.COM THAT'S BEEN PATCHED WITH MY
CP21 patch. The patch causes DOS colors to be redefined and
my DC1 program won't work properly with it.
*******************************************************************************
KEYBOARD COMMANDS:
After installing DC1 (by entering DC1 at the A> prompt: A>DC1) you can
easily flip through foreground, background, and border colors by ALT
arrow key combinations. These combinations are as follows:
(WITH NUMBER LOCK OFF)
ALT LEFT ARROW Flips through 16 BORDER colors
ALT UP ARROW Flips through 16 FOREGROUND colors
ALT RIGHT ARROW Flips through 7 BACKGROUND colors
ALT DOWN ARROW Toggles program ON/OFF
Once you select the colors you want via the ALT ARROW KEY combinations----
you're set........Your selected colors will survive mode changes and
DOS CLS's (If you enter a graphics mode the program will deactivate itself
but your colors will once again return as soon as you enter back into a text
mode).
COMMAND LINE COMMANDS:
After you've installed DC1 you can turn the program on and off, or cause
it to uninstall itself and return your memory via command line parameters.
These parameters are as follows:
S will suspend DC1 Example: A>DC1 S
R will resume DC1 Example: A>DC1 R
V will vacate DC1 and return memory to system pool Example: A>DC1 V
A WARNING ABOUT THE V PARAMETER:
DON'T USE IT EXCEPT FROM THE DOS LEVEL (i.e. don't try to use it from a
DOS shell).
DON'T USE IF YOU'VE LOADED OTHER TSR (terminate stay resident) TYPE
PROGRAMS AFTER YOU LOADED DC1. (as this could create "holes" in your memory
--- and maybe cause a system crash).
*******************************************************************************
TRYING IT OUT:
With the DC1.COM program on a disk in your A drive type DC1
Example: A>DC1
A message telling you DC1 has installed itself and containing instructions
similiar to the above should appear on your screen.
Now, make sure you're not in Number Lock mode (if you've got a standard PCjr
keyboard this is probably already the case).
Press down on the ALT key (in lower left corner of your keyboard)
While holding down on ALT press and release the LEFT ARROW key.
Your border color should change. WOW!
Hold down the ALT key and press LEFT ARROW repeatedly (this will have the
effect of "flipping" through the border colors) until you find one you like.
Now hold down ALT, press and release UP and RIGHT ARROW until you get
foreground and background colors you find pleasing. It's that simple.
OH MY GOSH! ALL MY TEXT HAS DISSAPPEARED!!!!!!!!!
No, not really, your text is still there. What's happened is that you've
defined background and foreground to the same color.
Just press ALT UP ARROW or ALT RIGHT ARROW and YOUR TEXT WILL REAPPEAR.
*******************************************************************************
TECHIE NOTES:
DC1 works by redefining some values in the VGA registers. It's a PCjr
specific, PCjr only program.
******************************************************************************
COPYRIGHT:
DC1.COM is Copyright 1987 by Mark Boatright
THIS PROGRAM IS NOT TO BY DISTRIBUTED FOR PROFIT OR "DISK FEES" WITHOUT THE
AUTHOR'S EXPRESS, WRITTEN PERMISSION.
PROBLEMS:
You can get ahold of me via Compuserve 74206,1751
OH, YEAH.
Now that you got a DOS border you may notice that your screen isn't
properly centered. TO CENTER YOUR SCREEN:
ALT + CTRL + RIGHT ARROW shifts screen right
ALT + CTRL + LEFT ARROW shifts screen left