Dec 052017
PC Magazine Utilities.
File VOL7N10.ZIP from The Programmer’s Corner in
Category Files from Magazines
PC Magazine Utilities.
File Name File Size Zip Size Zip Type
INFO.ASM 4070 1350 deflated
INFO.BAS 1560 691 deflated
INFO.COM 281 205 deflated
MENU.C 11061 3121 deflated
PCMAG.H 257 142 deflated
RHCTRL.ASM 4004 1246 deflated
RHCTRL.BAS 1825 865 deflated
RHCTRL.COM 339 327 deflated
TD.ASM 11805 2182 deflated
TOGGLE.ASM 4186 1495 deflated
TOGGLE.BAS 3757 1057 deflated
TOGGLE.COM 338 289 deflated
TOGGLE.DOC 1954 968 deflated
TRYTD.ASM 4052 1060 deflated

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Contents of the TOGGLE.DOC file


Jeff Prosise 1988 No. 10 (Utilities)

Purpose:Provides a software toggle and an on-screen
report of the states of the CapsLock, NumLock, and ScrollLock

Format:TOGGLE [+c|-c] [+n|-n] [+s|-s]

Remarks:Entered without any parameters, TOGGLE simply
reports the current status of the three toggle keys. The c
(CapsLock), n (NumLock), and s (ScrollLock) parameters may be
added on the TOGGLE command line to change the state of the
specified key(s). A + (plus) sign preceding a parameter toggles
that key on; a - (minus) sign forces that key off. The optional
parameters may be entered singly or in any combination and order,
and in upper or lower case. Requested parameter changes are
processed before TOGGLE issues its on-screen report. Entering
TOGGLE with any unrecognized parameter (/H or ?, for example)
produces an error message that displays the correct syntax.

With 83-key PC and XT keyboards, which lack status LEDs,
TOGGLE eliminates the need to determine the states of the
CapsLock, NumLock, and ScrollLock keys by trial and error.

Owners of "compatible" 84-key keyboards often find that
their status LEDs get out-of-sync with the true states of the
toggle keys. This condition arises when an LED-equipped keyboard
is matched with an XT BIOS design, which lacks provisions for
updating the indicators when a program rather than a keystroke
changes the toggle-key state. TOGGLE can be used to restore the
synchronization, which will be retained as long as only
keystrokes are used to change the toggle keys' status.

The BIOS interface for the current 101-key (Enhanced)
keyboard causes the machine to boot up with the NumLock state on.
All previous keyboards have provided the opposite default
condition. Including the line


in the AUTOEXEC.BAT file will cause the NumLock key to
boot up in the off state when using the Enhanced keyboard.

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