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1988-09-16
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=================
C o m p u S h o w
=================
CompuServe Graphics System
Version 5.00
for the
IBM PC, XT, AT, PCjr, PS/2 (and compatibles)
with
Hercules Monochrome Graphics Adapter
or
Color Graphics Adapter (CGA)
or
Enhanced Graphics Adapter (EGA)
or
Multi-Color Graphics Array (MCGA)
or
Video Graphics Array (VGA)
and
Graphics Printer
Execute the program by typing CSHOW (and a <Carriage Return>) at your DOS
prompt. (Also see START-UP OPTIONS, below.) The program will require
approximately 192k of available memory. If the program displays an
"Insufficient memory" message, you need to make more memory available.
(Remove some memory-resident programs, for example.)
Start-Up Options
================
CompuShow should recognize the type of video adapter present in your computer
(Hercules, CGA, EGA, MCGA, or VGA). However, if you have a "super-EGA" (480
line) adapter, you'll need to tell the program about it. Also, although the
program has been tested on PS/2 MCGA and VGA systems, it may fail to
recognize the presence of a non-IBM VGA adapter. "Command-line switches"
allow you to identify your video hardware:
A "+" switch is used to bypass the automatic video "detect" routine, in a
situation where the program fails to detect the correct video adapter.
>CShow +M (or +m) MCGA mode
>CShow +V (or +v) VGA mode
Page 1
A "/" switch is used to indicate the presence of a 480 line "super-EGA"
adapter. The program knows about several:
>CShow /A ( or /a ) Ahead Systems
>CSHow /G ( or /g ) Genoa
>CShow /T ( or /t ) Tseng
>CShow /V ( or /v ) "VGA" (eg. the Zenith "VGA")
These commands specify graphics modes 38, 115, 37, and 18 respectively, which
puts each card in 480 line EGA mode. Other 480 line cards can be identified
by supplying the (decimal) graphics mode number on the command line, for
example:
>CShow /71 to use mode 71 for 640x480 EGA
The CompuShow Screen
====================
The program will start by retrieving and sorting a directory of your disk
files. The top three lines of the screen show the current date, day, a
running time-of-day clock, and identify the directory display (eg. A:\*.* or
C:\PICS\*.*). The center twenty lines of the screen contain the sorted disk
file directory.
Below the directory display is a prompt and input area. The input area is
actually a forty-six character window over a sixty-three character field. The
window will scroll to allow you to enter up to sixty-three characters.
The bottom line of the screen is used to display "shift-status". The current
status of the CAPS Lock, Insert, Num Lock, and Scroll Lock, as well as either
shift key, Ctrl, or Alt key is indicated.
[F1] for Help
=============
At the input field (or while in the directory display), press the [F1]
function key to pop up a quick-reference Help Screen with a brief description
of the options available.
The Directory Display
=====================
The (initial) directory display "format" depends on the number of files
displayed.
Up to 40 files: The file name, size, date and time are displayed.
The files are listed in two columns.
41 to 80 files: The file name and size are displayed.
The files are listed in four columns.
81 to 120+ files: The file name is displayed.
The files are listed in six columns.
The program automatically selects a format to display as many files as
possible on each screen. If you have more than one screen of files, you may
Page 2
display additional directory screens by:
- In the input area: Press PgDn/PgUp.
- In the directory display: Press Ctrl-PgDn/Ctrl-PgUp, or press the
"up arrow" key at the first file or the "down arrow" key at the last
file on the screen.
Changing the directory display
==============================
- At the input area, you may change to a different disk drive by typing the
drive designation and pressing the [F2] key. For example, type "A:" and
press [F2] to switch to drive A:.
You may also change to a different sub-directory. Type the sub-directory
name in the input area and press [F2]. The sub-directory specification can
be any form acceptable in a DOS "ChDir" command, such as "\" or
"..\..\OTHER". You can also combine a drive and sub-directory change, such
as "B:\PICS".
- Press [F3] to "toggle" between the "compressed" directory display (four or
six columns) and a "wide" directory display (two columns, including the
file name, size, date, and time.)
- Enter a directory mask and press [F4]. For example, type "*.GIF" and press
[F4] to limit the directory display to all files with a ".GIF" file name
extension. Press [F4] with a blank mask to reset the directory mask to
"*.*" to display all files.
Selecting a file to display
===========================
Method 1: Enter the name of the file
------------------------------------
Type the name of any file and press <Carriage Return> to select it. Note that
you may use this method to enter the name of a file that is not in the
displayed file list (from a different disk or sub-directory.) Simply type the
full name of the file, specifying the disk drive and sub-directory location,
as needed (eg. "c:\pics\special\hidden\other.gif"). When you press <Carriage
Return>, the file will be retrieved, or a "beep" will sound if it was not
found.
Method 2: Selecting from the directory list
-------------------------------------------
To select a file from the on-screen list of files, press the "up arrow"
cursor key to move into the directory display. You may then move around the
list of files using the cursor arrow keys, PgDn, PgUp, Home, and End. (While
you are in the directory display, PgDn and PgUp take you to the bottom and
top of the column. Ctrl-PgDn and Ctrl-PgUp display additional directory
screens.)
At the last file on the screen, the "down arrow" key will take you to the
first file on the following screen. At the first file on the screen, the "up
Page 3
arrow" key will take you to the last file on the previous screen.
Type a "letter key" (A..Z) to move to the next file starting with that letter
(repeatedly typing "A" will move you to each file starting with the letter
"A".)
When you find a graphics file that you would like to display, press <Carriage
Return>. (If you change your mind, press ESCape to return the cursor to the
input area without selecting a file.)
Once a file has been selected
=============================
The program will read and examine the file to see if it is a supported
graphics file. The "demonstration" version of the program recognizes either
CompuServe RLE or GIF graphics formats. The "enhanced" version of the program
also recognizes Macintosh MacPaint files.
If the file is not one of the supported graphics types, a box will pop up
indicating that it is an unknown (or un-supported) file type. Press any key
to make another selection.
If the file is a supported graphics format, a box will pop up with
information about the file and display options.
Page 4
RLE Graphics
============
The RLE format supports "Medium" and "High" resolution graphics. The
information box should indicate either:
192 rows of High Resolution RLE
or
96 rows of Medium Resolution RLE
One display mode is indicated (either CGA or Hercules.) (There is nothing to
gain by displaying in an EGA mode, since RLE is "black and white", and looks
best in 320 x 200 format.)
- Type "1" to display the RLE image. (Display is instantaneous.)
While the RLE image is displayed:
- Press "I" to Invert the image. Some RLE images (radar/weather maps,
for example) should be "inverted", which reverses black and white,
before printing. Without inverting, you would print a black page with
white lines.
- With the enhanced program, you may print the image by pressing "P"
(or ^P).
- Type <Carriage Return> to return to the RLE information box.
- At the information box, the image may be re-displayed by typing "1" again.
- Type "0" (zero) (or <Carriage Return>) when finished with this file. The
RLE information box will disappear and you will be returned to the main
directory screen, ready to select another file to display.
Page 5
GIF Graphics
============
The information box for a GIF graphics file will indicate the GIF signature
and version. CompuShow version 5 supports GIF version "87a". If the GIF file
is an unknown (future) version, you will hear a "buzzer" sound, and the GIF
version will blink. The width, height, and number of colors in the image are
also shown.
The number of display options will depend on the type of display adapter and
monitor that you are using:
GIF display modes \ video display: Herc Cga Ega Ega-480 MCGA VGA
+-------------------------------------------+----+---+---+-------+----+---+
| 320x200 / 640x200 monochrome | Y | Y | Y | Y | Y | Y |
| 320x200 4 color (4 palettes) | | Y | Y | Y | Y | Y |
| 640x200 4 color "PCjr/Tandy" | | Y | Y | Y | Y | Y |
| 320x200 16 color "PCjr/Tandy" | | Y | Y | Y | Y | Y |
| 320x200 16 color EGA | | | Y | Y | | Y |
| 640x200 16 color EGA | | | Y | Y | | Y |
| 640x350 16 color EGA | | | Y | Y | | Y |
| 640x350 monochrome | | | Y | | | |
| 640x480 16 color EGA | | | | Y | | Y |
| 640x480 monochrome | | | | Y | | Y |
| 320x200 256 color MCGA | | | | | Y | Y |
+-------------------------------------------+----+---+---+-------+----+---+
- On all video displays, there are fifteen monochrome display modes assigned
the letters A through O, where A is the lightest display and O is the
darkest. (On an EGA/VGA display, you'll want to use mode "P" to display in
monochrome.) The primary purpose for displaying a GIF image in a monochrome
mode is to prepare it for printing, since images are printed WYSIWYG ("What
You See Is What You Get".)
- If the image is 320x200 (or smaller) you will also see a "Zoom" option on
EGA/VGA systems, to Zoom the image to 640x400. Images displayed in this
mode will have much "truer" colors than when displayed in 320x200x16 color
mode.
You may display the GIF image in ANY MODE LISTED (the PC-jr/Tandy modes will
not work on all systems.) The "recommended" modes will be highlighted, the
"inappropriate" modes will be listed in a dim text color.
This "recommendation" is based on the width and height of the image compared
to the physical screen dimensions in each mode. For example, if you display a
320x200 image in EGA 640x200 mode, the image will be "compressed" in the left
half of the screen. NOTE, HOWEVER, THAT IMAGES LARGER THAN THE PHYSICAL
SCREEN MAY BE PANNED, as described below.
- Type the number (or letter) to display the GIF image in that mode.
As the GIF image is being displayed, press ESCape or Ctrl-C to interrupt
(and abort) display of the rest of the image. (The partial GIF image will
remain on the screen. Type <Carriage Return> to return to the GIF
information box.)
Page 6
While the GIF image is displayed:
- On an EGA/VGA monitor, you may adjust the appearance of the COLOR or
MONOCHROME image, as described below.
- Images larger than the PHYSICAL SCREEN can be "panned", using the up,
down, left and right cursor arrow keys. Press a key (once) to pan in
that direction. Panning will stop at the end of the image, or may be
interrupted by pressing any key. (Note that the down arrow key pans
down, while "2" selects color 2, as described below. You may need to
turn NumLock off to use your cursor keys to pan.)
- The EGA/VGA display pans both vertically and horizontally, and can
accommodate 16 color images up to 320x1638, 640x819, or 1024x512.
- The CGA display pans both vertically and horizontally, and can
accommodate 4 color images up to 640x400, and monochrome display
of images up to 640x800.
- The Hercules display pans vertically to accommodate images up to
640x800.
- With the enhanced program, you may print an image displayed in
monochrome (one of the lettered modes) by pressing "P" (or ^P).
- Type <Carriage Return> to return to the GIF information box.
- At the information box, you may re-display the GIF image in the same or a
different mode by typing the number or letter corresponding to the desired
mode.
- Type "0" (zero) (or <Carriage Return>) when finished with this file. The
GIF information box will disappear and you will be returned to the main
directory screen, ready to select another file to display.
Adjusting a COLOR EGA/VGA image
-------------------------------
You can adjust the colors of an image displayed in EGA/VGA modes 7, 9, or Z:
Most images look "quite good" on an EGA/VGA monitor. The GIF file contains a
"color map" which is used to select sixteen colors from the palette of sixty-
four. However, adjusting the colors will frequently result in a more pleasing
image. This is particularly true where skin tones are concerned.
The sixteen colors displayed are numbered 0 to 9 and A to F. Color zero is
always the background. To select a color to adjust, type the color number
(0..9 or A..F). That color will flash three times, so that you can see where
it is on the screen and decide whether it should be adjusted. There are two
methods for adjusting colors:
Page 7
- A selected color may be adjusted by increasing or decreasing the Red,
Green, or Blue component:
RED: decrease [F1] [F2] increase
GREEN: decrease [F3] [F4] increase
BLUE: decrease [F5] [F6] increase
Each color has a Red, Green, and Blue component with a "weight" of 0..3, so
pressing [F2] four times will step through all four levels of Red.
[ 4 (Red) x 4 (Green) x 4 (Blue) = the palette of sixty-four colors. ]
- You may "step through" all sixty-four colors in color number sequence:
COLOR NUMBER: decrease [F7] [F8] increase
The adjusted palette may be saved to disk by pressing Alt-F10 (hold the Alt
key and type the [F10] function key.) The palette is saved in a file with the
same "base" file name as the GIF file, and a "CSH" extension. (The palette
for GIF file "PUPPY.GIF" will be saved in "PUPPY.CSH".)
Whenever the GIF file is displayed in EGA or VGA mode (7, 9, or Z), you may
retrieve the saved palette by pressing [F10]. The colors will instantly
change to your adjusted palette. (If the palette file is not found, the
program will "beep".)
To return to the original color palette as defined by the color map in the
GIF file, press [F9].
Pressing [F9] and [F10] will allow you to instantly review the differences
between the original GIF palette and your adjusted palette.
A NOTE about GIF images with more than 16 colors
------------------------------------------------
CompuShow will display GIF images containing more than 16 (typically 32 or
256) colors on the EGA/VGA in a quality comparable to a sixteen color image.
In analyzing the color map, the program "compresses" it to remove colors
which are equivalent on the EGA/VGA. Surprisingly this process usually
results in a color palette containing 9 to 14 colors. (This means that you
are losing some subtle color shading present on the original computer.) When
adjusting the palette, as described above, you can determine how many
discrete colors there are, since the program will "beep" when you reach a
color number beyond the number of colors in this "compressed" palette. (If
you type "9" and the program beeps, then there are only nine (0..8) colors in
the compressed palette.)
Adjusting a MONOCHROME EGA/VGA image
------------------------------------
Mode "P" displays an image in EGA/VGA monochrome. To adjust the "brightness"
of the image (in preparation for printing it), press the PgUp key to make it
brighter and the PgDn key to make it darker.
Page 8
MacPaint Images (ENHANCED PROGRAM)
==================================
The information box indicates the number of rows in the MacPaint image. Each
image is 576 wide, and a maximum of 720 long. The image may be displayed in
Hercules 720 x 348 B&W, CGA 640 x 200 B&W, or in EGA 640 x 350 B&W mode.
- Type the number to display the MacPaint image in that mode. (Display is
instantaneous.)
MacPaint images are usually longer than Hercules, CGA, or EGA screens.
During display:
- The up and down arrow keys allow you to "pan" a single row at a time.
- PgUp and PgDn pan the image in about 20 steps.
- Ctrl-PgUp and Ctrl-PgDn pan in about 5 steps.
- Home and End jump immediately to the top and bottom.
- Ctrl-Home and Ctrl-End "auto-pan", so that the image moves slowly up
or down the screen until the top or bottom is reached, or until a key
is pressed to stop the "auto-pan."
- On an EGA/VGA monitor, you may press "C" during the display to
"colorize" the image. The 576x720 image (larger than the screen) is
compressed to 288x350, so that it may all be displayed on one screen.
Shades of reds and browns are displayed in place of the black and
white image. The [F1]..[F10] function keys will allow you to select
any of ten different pre-defined color palettes.
Press any key to remove the colorized image.
- With the enhanced program you may print the MacPaint image by
pressing "P" (or ^P).
- <Carriage Return> returns you to the Information box.
- At the information box, the MacPaint image may be re-displayed by typing
the number of the desired display mode.
- Type "0" (zero) (or <Carriage Return>) when finished with this file. The
information box will disappear and you will be returned to the main
directory screen, ready to select another file to display.
Page 9
Printing (ENHANCED PROGRAM)
===========================
The IBM-PC has become a standard in the personal computer world over the past
several years. The "IBM compatible printer", however, is not as clearly
defined. As a matter of fact, IBM itself has several different "standard
printers" capable of printing graphics. In view of this "non-standard
standard", CompuShow uses custom graphics printer drivers, for various
printers.
The supplied printer drivers are described in detail in PRINTERS.DOC
(included with the enhanced program.)
Selecting a printer driver
--------------------------
Most "IBM compatible" printers (such as Epson, Citizen, Panasonic, Star,
Toshiba, etc.) can use the IBM Graphics Printer driver "IBMGRAPH.DRV".
------------------------------------ NOTE -----------------------------------
If your printer has a "quad-density", 240 dots/inch mode, selected with
ESCAPE,'Z', (eg. IBM Pro-Printer) try GENERIC.DRV for improved printing of
MacPaint images and 350 line GIF images.
-----------------------------------------------------------------------------
To determine whether a driver will work with your printer, start CompuShow
with the name of the driver, for example:
CSHOW IBMGRAPH
and press <carriage return>. When the program starts, the printer driver will
be loaded from the same disk and sub-directory as CSHOW.EXE (or the program
will display a message, indicating that the driver could not be found.)
Display an RLE or MacPaint image, or a GIF image USING ONE OF THE LETTERED
(MONOCHROME) DISPLAY MODES, and press "P" to print.
- When a printer driver has been loaded, a "P to print" reminder is displayed
on the RLE and MacPaint graphics screens, and in the GIF information box.
- If no driver was loaded, the "P to print" message is not displayed, and
pressing "P" causes the program to "beep".
- RLE and GIF images are printed "sideways" on the page. MacPaint images are
printed "right-side-up".
- The print routine for GIF images is automatically selected, based on the
length of the GIF image. The program will select a 200 line, 350 line, 480
line or 576 line print mode.
- Press any key to interrupt (and terminate) printing.
Page 10
- When the image has finished printing (or when it has been interrupted by a
key-press) a form-feed will be sent to the printer. If your printer doesn't
advance to the top of the next page, you probably need to set top-of-form.
If your printer doesn't have a specific button to set top of form, you may
need to turn it off, re-position the paper, and turn it back on.
In most cases (see PRINTERS.DOC), images may also be printed in a "single-
density" mode for high speed printing by pressing ^P (Ctrl-P) instead of "P".
(Hold the Ctrl key down and type "P".)
If the IBM Graphics Printer Driver doesn't work with your printer, check
"PRINTERS.DOC" for a description of other printer drivers.
Setting up a "default driver"
-----------------------------
When CompuShow starts, it will look for a printer driver named "CSHOW.DRV"
(on the same disk, in the same sub-directory as CSHOW.EXE)
COPY IBMGRAPH.DRV CSHOW.DRV
to make a copy of the IBM driver with CompuShow's default name. Now, you can
start CompuShow without a driver name and CSHOW.DRV will automatically be
used.
Custom Printer Drivers
----------------------
We want all users of the enhanced program to be able to use the print
feature. IF NONE OF THE SUPPLIED PRINTER DRIVERS WORKS WITH YOUR PRINTER, we
will provide ONE custom printer driver AT NO CHARGE! (See PRINTERS.DOC)
NOTE that CompuShow will only print in black and white. A custom driver for a
color printer WILL NOT print in color, since the program passes "on or off
pixel" information to the driver.
Quitting CompuShow
==================
At the main directory screen, press ESCape to exit the program and return to
DOS.
Page 11
Installing Screen Colors and System Configuration (ENHANCED PROGRAM)
====================================================================
At your DOS prompt, type CSHOWI (and a carriage return.)
There are nine color settings, in four areas:
- SCREEN TOP colors are used for the top three lines of the screen and
for pop-up boxes. You specify a background color, normal and hilight
text colors.
- SCREEN CENTER colors are used in the center of the screen. Again, you
specify the background color, normal and hilight text colors.
- INPUT FIELD colors are used in the input area, and for the "highlight
bar" that you move through the directory list.
- BORDER COLOR is the color of the screen border. (Hercules, EGA, and a
number of CGA adapter/monitor combinations WILL NOT display the
border color. "Standard" CGA adapter/color monitor combinations
will.)
In the lower half of the screen, all combinations of background and text
colors are displayed. Background colors are identified with the numbers 0..7,
and text colors with the letters A..P.
You make your selection for each of the nine colors in the top half of the
screen. At each of the nine specifications:
- Press carriage return to leave the color unchanged and move to the
next field.
- Enter the letter or number of the color and press carriage return to
move ahead. As you change any color, the screen is updated
immediately.
- Press TAB to move back to the previous color specification.
- Press ESCape to exit the color install, ABANDONING any changes.
Page 12
After you complete the selection of screen colors, you move on to System
Configuration, which allows you to specify:
- The type of 480 line EGA you have (or "none"). Specifying a 480 line EGA
makes it unnecessary to use the "/" command line switch for either
CompuShow or the Slide Show program.
- If you need to force to MCGA or VGA mode, you can specify the mode here,
making the "+" command line switch unnecessary.
- You may specify a drive and sub-directory to be selected automatically
when the program starts. For example, let's assume you usually start the
program and then switch to "c:\graphics\gif" using the [F2] key. You can
enter "c:\graphics\gif" in the System Configuration, and it will be
selected automatically.
- You may specify a directory mask to be selected automatically. If you
usually change the directory mask to "*.GIF" using the [F4] key, you can
specify that mask in the System Configuration, and it will be set for
you, when the program starts.
- You may similarly specify the "two column" directory display, if you'd
like it selected automatically at program start-up.
When you press carriage return at the end of System Configuration, the
configuration is saved in CSHOW.CFG, which both CompuShow and the Slide Show
program will use. (Both programs will look for it in the same sub-directory
as the program.)
Page 13
CompuShow Slide Show (ENHANCED PROGRAM)
=======================================
Execute the program by typing CSHOWS (and a <Carriage Return>) at your DOS
prompt. (NOTE that the command line switches and System Configuration
described for CompuShow also apply to the Slide Show.)
The Slide Show program displays RLE, GIF, and MacPaint images in the same
display modes available in CompuShow. Since it is essentially an "automatic
CompuShow", start planning your slide show by making some notes while in
CompuShow. You will need the name of each graphics (RLE, GIF, or MacPaint)
file and the appropriate display mode (the number or letter key used to
display it.)
When CShowS starts, it reads the slide show instructions from a "script"
file, "CSHOWS.SCR", located on the current disk and sub-directory. If you
have several scripts, you can specify that a different script file should be
used:
>CShowS (script file "CSHOWS.SCR")
>CShowS b (script file "b.SCR")
>CShowS b. (script file "b")
>CShowS .b (script file "CSHOWS.b")
>CShowS b: (script file "b:CSHOWS.SCR")
>CShowS b:b.b (script file "b:b.b")
In other words, you can "over-ride" (any or all of) the location, file name,
or extension.
The script file is an ASCII (text) file, which you create using a word
processor or text editor program. Word processor programs usually have the
ability to save the file (document) in ASCII or "un-formatted" mode. (Be sure
to do this!)
[ Three example script files are included, which will run a slide show of
all graphics files (RLE, MacPaint, and GIF) included on the program disk:
>CShowS Herc (script file HERC.SCR)
>CShowS Cga (script file CGA.SCR)
>CShowS Ega (script file EGA.SCR)
for display on Hercules, Cga, and Ega systems. Use one (or more) of these
script files as examples while reading the instructions, below.]
Each slide show "command" is on a separate line. The first character in the
line specifies the type of command (UPPER and lower case letters are
equivalent):
F: The File name; the name of the RLE, GIF, or MacPaint file. You may include
the disk drive and/or sub-directory name, as needed. CShowS reads and
analyzes the file to determine what type of graphics file it is. If the
file is not found, or if it is not a graphics file, the program will
"beep".
M: The display mode. This is the number or letter key that you would press to
display the image in CompuShow. CShowS displays the image in this mode. If
the specified mode is un-available on the current computer, the program
Page 14
will "beep". (A script containing EGA display modes will not run on a CGA
or Hercules machine, for example.)
In addition, you may display an "inverted" RLE image by specifying mode
"I", and a colorized MacPaint image by specifying modes "A" through "J" to
correspond to the ten color palettes selected with the [F1] through [F10]
function keys.
P: A pan. MacPaint images may be panned Down and Up. GIF images may be panned
Down, Up, Right and Left.
D: A delay, in seconds, from 1 to 30. (Multiple "D" lines may be specified,
if you want more than a 30 second delay.)
W: Specifies a "Wait for key press". CShowS will wait for a key to be pressed
before proceeding.
Q: Is the "Quit" command. CShowS will quit, rather than repeating the slide
show.
For a "free-running" slide show, you would use "F", "M", "P" and "D"
commands. The program will start over when it reaches the end of the script.
You exit the program by pressing a key. (If an image or delay is in process,
it will finish before the program terminates.)
By placing a "Q" command at the end of the script, the slide show will run
one time and then quit. (It may be interrupted with a key press, if desired.)
By using wait (W) commands, instead of delay (D) commands, you can set up an
"operator controlled" show, where the program waits for a key press between
images. (Pressing ESCape, Ctrl-C, or PgDn will exit the program at a "Wait".)
An example: (CShowS.Scr)
Fradarmap.rle
M1
D1
Mi
D1
Flarge.gif
M2
D1
Pd
Pr
Pu
Pl
Fb:\macs\mickey.mcp
M2
Pd
D1
Md
D2
In this example, we first select "RADARMAP.RLE", display it in mode 1 (CGA)
and delay 1 second. We then display it "inverted" (note that no new "F"
command was specified, so we're working with the same file), and delay 1
second.
Page 15
Next we select "LARGE.GIF", display it in mode 2 (CGA 320x200, Palette 2) and
delay 1 second. This GIF image is both wider and longer than the 320x200
screen, so we pan down, then right, then up, and then left.
Next we select "MICKEY.MCP" which is located on drive B: in sub-directory
"MACS", display it in mode 2 (EGA), pan down to the end, and delay 1 second.
We then "colorize" it, using the [F4] palette, by specifying mode "D", and
delay 2 seconds.
Since there is no "Q" (Quit) command, the slide show will repeat until a key
is pressed.
Compatibility with earlier scripts
----------------------------------
Scripts written for earlier versions of the CompuShow Slide Show will need to
be "translated" to the display modes used by Slide Show Version 3 (CompuShow
Version 5).
Version 1 Version 2 Version 3
CGA 320 x 200 Palette 1 1 1 1
CGA 320 x 200 Palette 2 2 2 2
CGA 320 x 200 Palette 3 3 3 3
CGA 320 x 200 Palette 4 - 4 4
EGA 320 x 200 x 16 colors 6 7 5
EGA 640 x 200 x 16 colors 7 8 6
EGA 640 x 350 x 16 colors 8 9 7
MCGA 320 x 200 x 256 colors - - 8
VGA 640 x 480 x 16 colors - - 9
PcJr 320 x 200 x 16 colors 4 5 X
PcJr 640 x 200 x 4 colors 5 6 Y
EGA/VGA "Zoom" - - Z
You may (eventually) want to change Version 1 and 2 scripts to the new mode
numbers. However, TO USE A PRIOR VERSION SCRIPT WITHOUT CHANGING IT, start
the program:
CSHOWS -1 (to use a version 1 script)
CSHOWS -2 (to use a version 2 script)
NOTE that earlier versions of the Slide Show automatically pan MacPaint
images when displayed in mode 1 or 2. Panning is no longer AUTOMATIC. You'll
need to specifically insert pan commands in the script.
ALSO, unlike earlier versions, the Slide Show now uses the adjusted palette
for EGA-GIF images. (If you have adjusted the colors of a GIF image and saved
the palette with Alt-F10, those colors will be used in the Slide Show.)
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S H A R E W A R E
=================
CompuShow is copyrighted software. However, you are encouraged to copy and
share CompuShow with others according to the following requirements:
CompuShow program(s), User's Guide, and any associated files may be
freely copied and shared as long as ALL FILES ARE INCLUDED. This
requirement is emphasized as a result of "stripped down" versions
of the program(s) appearing on some bulletin board systems.
The Demonstration Version (5.00a) may be copied and shared, so long as no
charge is made for the software. The demonstration version includes the
CompuShow program and (this) User's Guide. The program and User's Guide must
be distributed together. They may be distributed via modem from bulletin
board systems provided that both files are transmitted (archived) together.
The Enhanced Version (5.00b) diskette with all files may be freely copied
and shared with others, so long as no charge is made. The files may be
distributed via modem from bulletin board systems, provided that ALL FILES
are transmitted (archived) together. No files on the disk may be distributed
unless all files are included.
WHY SHAREWARE?
--------------
A few years ago, we advertised a (much simpler) program in a national
computer magazine. Our advertising cost was so high that, even with a retail
price of $45, we never reached "break-even"! The ShareWare concept turns
CompuShow into its own ad! Our costs are reduced, and we can price the
program accordingly.
ShareWare let's you "try it before you buy it"! You can determine whether a
program works properly and how easy it is to use, before you pay for it.
WHY REGISTER?
-------------
Since CompuShow is a ShareWare product, we don't receive a penny when you
download it from CompuServe or a Bulletin Board, or receive it on a disk of
ShareWare programs.
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If you use CompuShow, you must register:
- Your registration fee makes it possible for us to continue to improve the
program and to provide similar high quality software at reasonable
prices.
- For your $15 registration fee you receive the LATEST VERSION of the
ENHANCED PROGRAM.
- As a registered user of the enhanced program, you will be notified as new
versions are released, and may upgrade for a nominal charge.
- Registered users may purchase other CaSSS software at reduced prices.
- IF YOU USE THE PROGRAM FOR COMMERCIAL PURPOSES, YOU MUST REGISTER.
Since version 1.7 was released in July 1987, we have continued to improve
and enhance the program, and have completed five new versions. Most of the
enhancements were suggested by our registered users, and most of our
registered users have upgraded as new versions are announced. They like
CompuShow and the improvements that their registration fees have made
possible!
Registering for the Enhanced Program
------------------------------------
Send $15 (check or money order, sorry, no COD's or credit card orders) to
Canyon State Systems and Software at the address below.
-------------------------------------------------------------------
To receive the program on a 3" disk, please enclose a FORMATTED 3"
disk with your order.
-------------------------------------------------------------------
Thank you for your support: Bob Berry [76555,167]
Canyon State Systems and Software
2055 West Highway 89A, Suite B
Post Office Box 86
Sedona, Az. 86336
GIF and "Graphics Interchange Format" are trademarks (tm) of
CompuServe Incorporated, an H&R Block Company
Copyright (c) 1988, Canyon State Systems and Software (tm), Sedona, Az.
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