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1988-07-25
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131 lines
-----------------------------------------------------------------
NECHO version 1.0
~~~~~~~~~~~~~~~~~~~~
Copyright (C) 1988 F.M. de Monasterio. All rights reserved
For personal, non-commercial use only. Cannot be sold.
-----------------------------------------------------------------
Purpose NECHO was written as a substitute for DOS's command ECHO
~~~~~~~ to allow modification of the video attributes of the text
to be displayed on the screen without an ANSI driver.
Input Text to be displayed with interspersed control switches.
~~~~~ These switches are characters with an Ascii value from 1
(Ctrl-A) to 26 (Ctrl-Z). They can be entered through the
keypad (if allowed by your text editor). When using DOS'
EDLIN or the COPY CON command, the control characters can
be entered by pressing the CTRL key and the character key
A through Z simultaneously. Example:
Necho ^EMake this text ^Fblinking^F and ^Nreversed^N^T
The following switches are recognized:
- ^B = change the foreground text to BLUE
- ^G = change the foreground text to GREEN
- ^R = change the foreground text to RED
- ^Y = change the foreground text to YELLOW
- ^W = change the foreground text to WHITE
- ^O = change the foreground text to the ORIGINAL color
attributes at the time NECHO was invoked.
- ^E = erase the screen. Automatically adjusts for 25 or
(EGA) 43 line displays without resetting attributes
For obvious reasons, it should only be used at the
begining of the text.
- ^F = switch from steady to blinking text and vice versa.
This is an on-off switch and must be invoked at the
beginning of the blinking text and at its end.
- ^L = generate a new line (carriage return)
- ^N = reverse foreground and background. Depending on the
foreground color, the reversed text may also blink;
this blinking may be avoided by issuing a ^F switch
along with ^N.
- ^T = trill the bell
Output The filtered text is displayed on the screen. The output
~~~~~~ can be redirected.
The help screen shown below is displayed when invoking
with a null argument:
┌──────────────────────────────────────────┐
│ Syntax: NECHO Message with Switches │
╞══════════════════════════════════════════╡
│ CTRL-key (or ASCII equivalent) SWITCHES: │
│(Copy CON or Edlin accept these Ctrl-keys)│
│ ────── │
│ ^B ^Y ┐ change color to Blue, Yellow, │
│ ^G ^R │ Green, Red, White or Original │
│ ^W ^O ┘ foreground message attribute. │
│ ^E ─ clear screen (25 & 43 lines). │
│ ^F ─ set & reset blink attribute. │
│ ^L ─ generate a carriage return. │
│ ^N ─ reverse foreground/background. │
│ ^Q ─ quit carriage return on exit. │
│ ^T ─ trill the bell. │
╞══════════════════════════════════════════╡
│ ver 1.10 ── (C) 1988 FM de Monasterio │
└──────────────────────────────────────────┘
Remarks Tested in an IBM-AT with an Inboard 386/AT running at a
~~~~~~~ Norton SI index of 16.2, and a Landmark test AT "speed"
of 24 Mhz operating under DOS 3.1 or 3.2, and an IBM XT
running at 4.77 Mhz.
Release This program and its documentation are copyrighted, and
~~~~~~~ distributed free of charge for PERSONAL, NON-COMMERCIAL
USE ONLY. For corporate or commercial use, or both, you
must register with and obtain a written permission from
the author at the address below:
F.M. de Monasterio
7013 Barkwater Ct.
Bethesda, Md 20892
Disclaimer The author makes no warranty, either implied or expressed,
~~~~~~~~~~ including, without limitation, any warranties with respect
to the software documented here, its quality, performance,
or fitness for any particular purpose. In no event shall
the author be liable for damage, whether direct, indirect,
special, incidental, or consequential, that arise from the
use of or any defect in the software. The entire risk as
to the quality and performance of the software is with the
user. By using this program, you acknowledge: (1) to have
read and understood all parts of the disclaimer and (2) to
have agreed with and accepted all of its provisions.
Packing This package contains the following files with the noted
~~~~~~~ CRC hexadecimal values:
NE????h DOC 6273 7-25-88 1:00 CRC: see name
NECHO COM 4304 7-25-88 1:00 CRC: 0CF7h
The DOC file contains 6273 characters in 715 words and
130 lines; its CRC is shown by the 4 digits in the ARCed
DOC file.
History Released on 7-25-87 as NECHO.ARC ver 1.0
~~~~~~~
F.M. de Monasterio 7-25-88