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1991-01-05
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Last Minute Changes, Notes,
Frequently Asked Questions,
Current Video and Printer Drivers
=================================
Summary of Changes in CompuShow Version 8.20:
============================================
- Full support for GIF version 89a features including transparency, delays,
user input, restore to background, restore to previous, plain text, and
comment extensions.
- Support for Targa 16, 24, 32, uncompressed and run-length-encoded, mapped
and RGB graphics.
- Several additional Dr. Halo formats.
- Automatic "best mode" selection now includes video driver modes. The best
mode character is displayed in the Graphics Information box.
Version 8.21:
------------
- Fix for 16 color graphics stored by ega plane: Dr. Halo, PC Paint, Ega
Paint.
- Fix for problems reported on systems running DOS version 3.3 on hard disks
with large (greater than 32meg) partitions.
Version 8.22:
------------
- Added provision for display of full color images (eg. Targa 16/24/32) with
a Hercules Graphics Station video driver.
- Significant re-write of the automatic "best mode" selection routine to
match images with more than 256 colors to display modes with more than 256
colors. The selection of video driver modes in general is much improved.
- Added support for Dr. Halo "CUT" files, a number of additional PC Paint
formats, and Deluxe Paint II and Deluxe Paint II Enhanced graphics.
- The Slide Show program has been combined with the enhanced display program.
Version 8.23:
------------
- Press the SpaceBar at the directory screen for immediate graphic display.
- Paging keys (Home, End, PgUp, PgDn, etc.) while in the directory display
have been re-defined to make them more consistent and intuitive
- Improved PCX decoding now handles more (most? all?) "variants".
- New video detect routine correctly identifies Hercules "clones".
- Refinement of GIF89a "plain text" display.
Page 1
Frequently Asked Questions:
==========================
GIF files:
---------
WHERE DO GIF FILES COME FROM?
WHERE CAN I FIND A DESCRIPTION OF THE GIF FILE FORMAT?
WHERE CAN I GET MORE GIF GRAPHICS?
HOW CAN I CREATE A GIF FROM A PHOTOGRAPH?
The GIF (Graphics Interchange Format), pronounced "JIF", was designed by
CompuServe and the official specification released in June of 1987. Since
that time, it has become very popular, due to several factors.
First, GIF uses an efficient compression routine which makes graphics files
significantly smaller than in virtually any other format. Secondly, by
design, it's an INTERCHANGE format. Graphics may be created by paint
programs, fractal generating programs, on scanners or video capture boards.
The originating computer might be an IBM, Apple, Color MAC, Amiga, or
virtually any type of computer. Since most computers with graphics
capabilities have (at least one) GIF display program, the graphics can
easily be "moved" from one type of computer to another.
In July of 1990, CompuServe released an extension to the GIF specification,
known as Version 89a, adding a number of sophisticated features designed to
make GIF a more powerful and flexible graphics format.
As GIF was created by CompuServe, the Graphics Support forum (PICS) is the
place to find complete, accurate, and up-to-date information about GIF. If
you're not a CompuServe subscriber, but are seriously interested in trying
graphics programming, I do recommend subscribing. If you still prefer not to
subscribe to CompuServe, contact me.
We've had a number of requests for "disks full of GIFs" or other graphics
files. While CompuShow has been included on ShareWare disks with GIFs of
various descriptions, these disks did not come from Canyon State Systems. We
don't sell or distribute GIFs or other graphics files, with the exception of
a few samples that are included on the enhanced program disk.
The best place to look for GIF images is CompuServe; "GO GRAPHICS" for a
menu of graphics forums, containing literally thousands of images and
related files. GIF images are also beginning to appear in significant
numbers on other commercial services and a number of BBS's.
+--------------------------------------------------------------------------+
| The following registered users of CompuShow operate bulletin boards. |
| Other registered users who would like to be added to this list, please |
| contact me. |
| |
| We reserve the right to remove from this list any BBS which tampers with |
| any CompuShow documentation or fails to comply with the requirement that |
| CompuShow must be distributed unmodified and intact. |
+--------------------------------------------------------------------------+
JPix BBS 219-267-2188 (to 2400 baud) has a free public-access section and a
restricted pay-per-access section. SysOp Jim Priser also operates a high-
Page 2
quality scanning service (download info/rates from the BBS or contact him by
voice line at 219-267-3980.)
New Dimensions BBS 408-274-5550 has a large and growing GIF library.
The Godfather BBS 813-289-3314 has a free public-access section and an adult
section requiring subscription.
Converting to GIF:
-----------------
HOW CAN I CONVERT OTHER GRAPHICS TO GIF FORMAT?
In response to a number of requests for a conversion utility, we've
assembled "CompuMake Tools", a set of programs to convert raster graphics
images to GIF. CompuMake Tools support all features of GIF versions "87a"
and "89a", and allow you to create single-image or multiple-image GIF
graphics, including the latest "89a" features such as delays and user input,
restore to previous and transparency, plain text and embedded comments.
- Convert FROM any of the graphics formats displayed by CompuShow.
- Convert TO either GIF or Targa.
- A hard disk IS REQUIRED.
- A graphics video adapter IS NOT REQUIRED for graphics conversions.
- Advanced functions which involve selecting specific colors for text,
frames, background, etc. require a graphics adapter and GIF viewer
(CompuShow).
CompuMake Tools is now available for $28.
Integrating graphics with other software:
----------------------------------------
MY COMPANY PRODUCES DATA BASE SOFTWARE, AND WE'D LIKE TO ADD GRAPHICS
DISPLAY CAPABILITIES. CAN WE CALL COMPUSHOW FROM INSIDE OUR PROGRAM?
There's been quite a bit of interest in adding graphics to database and
other software, and we've developed a version with that in mind. Write or
phone for details.
Incompatible drivers
--------------------
WHY IS MY VIDEO OR PRINTER DRIVER SHOWN AS "WRONG DRIVER VERSION!"
You're trying to use a driver designed for an earlier (or later) version of
the program. The driver MUST MATCH the program.
Page 3
Missing Files
-------------
WHY DOES A BOX POP UP EVERY TIME I RUN THE PROGRAM, SAYING THAT THERE ARE
FILES MISSING?
At program start-up, CompuShow checks to see that all the documentation and
support files are on the same disk and sub-directory as the program. Once it
finds all the files there and creates CSHOW.DAT, you can run CSHOWDEL.BAT to
erase the documentation files, drivers, etc. that you no longer need.
If you move the program to another computer, pass it on to a friend, or post
it on a BBS, you must include all the original files. In addition, if you
modify your computer (add memory, upgrade the video adapter, etc.) CompuShow
will detect that it's not the same computer, and will look for the
documentation and support files again (so keep a copy somewhere.)
Other Hardware-Specific Modes:
-----------------------------
I'VE GOT A NEW GRAPHICS ADAPTER THAT I'D LIKE TO USE, BUT THERE'S NO VIDEO
DRIVER FOR IT. (Sometimes this question starts "I've got an OLD graphics
adapter...")
The external video drivers used by CompuShow make it easy to add support for
additional graphics devices. We'll continue to add video drivers as we
become aware of new video hardware. If you have a new graphics adapter that
isn't listed, we may already have a driver available for it.
If you're an assembly language (MASM/TASM) programmer, and would like to try
to develop a driver yourself, I can send you a "Video Driver Developer's
Disk", which will let you add support for your video hardware. If you're not
an assembler programmer, but have the programming specs, contact me, and
we'll see if we can develop a driver together.
Unrecognized Graphics Files:
---------------------------
I DOWNLOADED A GIF FROM A BBS, BUT COMPUSHOW SAYS IT'S NOT A GIF
It was probably uploaded by someone with an Apple computer, and has the
infamous 128 byte "binary header". A legitimate GIF file starts with
"GIF87a" (or "GIF89a") in the first six bytes, so this "header" which some
Apple software tacks on the front end of the file, actually creates a
corrupt GIF.
Please contact the BBS SysOp. He probably has a program for stripping off
the header, as BBSs frequently run into this problem with Apple uploads. In
addition, he'll probably want to contact the uploader, so that future
uploads can avoid this problem.
I KNOW I'VE GOT A LEGITIMATE GRAPHIC IMAGE, BUT IT'S NOT RECOGNIZED
Graphics such as MacPaint, PC Paint, PC Paintbrush, and Dr. Halo, can vary
in format from one version to the next. Also, some programs which claim to
produce "compatible" files, may not conform to the specification. We've made
every effort to identify and support as many formats as possible, and have
Page 4
distributed Beta Test programs to attempt to track down graphics which
CompuShow can't identify or display correctly.
If you do find other examples, we'd appreciate a copy of the file, so that
we can add support for the format. Keep in mind that some compression
schemes (such as RIX) are confidential, so we may not be able to support
them.
CompuShow upgrades:
------------------
WHAT'S YOUR POLICY ON UPGRADES FOR REGISTERED USERS?
As we release new versions of CompuShow, registered users are notified by
mail, and may upgrade for a "nominal cost". For the past couple of years,
we've held this cost to $9, and have offered upgrades at $5 for anyone who
registered (or upgraded) to the previous version within 60 days of the
release of the new version. We'll try to stick to the $9/$5 upgrade prices
as long as our costs hold relatively steady.
I JUST SAW A NEW VERSION ON A BBS, BUT HAVEN'T RECEIVED AN UPGRADE NOTICE!
New releases of CompuShow sometimes seem to travel at the speed of light.
Our first step is to post a new release on CompuServe and GEnie and then
mail copies to our list of BBS SysOps and ShareWare distributors. It may
take a couple of weeks to mail notices to registered users.
In addition, keep in mind that some "minor revisions" have relatively small
changes that don't justify a mailing to all registered users. Registered
users who want to upgrade to the latest "minor revision" should contact me
for costs.
Finally, keep in mind that you may have a counterfeit! Since December 1989,
we've seen a number of programs claiming to be "version 8.01", "version
8.51", etc. appear on electronic bulletin boards. Generally these
counterfeits have been "hacked" copies of version 7.0 or 7.2, with the
documentation and on-screen version number changed. If you find the on-
screen title about 12,700 bytes into the file (at hex offset 31A0h) then you
definitely have a counterfeit!
CompuShow Configuration and Drivers:
-----------------------------------
CSHOW.EXE IS IN A SUB-DIRECTORY POINTED TO BY THE DOS "PATH" COMMAND. I'VE
USED CSHOWI TO INSTALL SCREEN COLORS, ETC. WHY DO I GET THE ORIGINAL COLORS
AND OPTIONS WHEN I START THE PROGRAM IN A DIFFERENT SUB-DIRECTORY?
CShow looks for the configuration file, the printer and video drivers on the
same disk and sub-directory as the program. Actually, it depends on DOS
(version 3 or above) to tell it where the EXE was found. If you're using a
version of DOS below 3, add the following line to your AUTOEXEC.BAT file
(assuming CSHOW.EXE is in C:\PROGS):
SET CASSS=C:\PROGS
When the program discovers that it's running under DOS version 2, it will
look in C:\PROGS for the configuration file and drivers.
Page 5
Hercules "In Color":
-------------------
MY MONOCHROME GRAPHICS ADAPTER IS IDENTIFIED AS A "HERCULES IN COLOR" CARD,
WHICH ISN'T SUPPORTED. WHAT DO I DO NOW?
Many "Hercules clones" respond as though they were a Hercules "In Color"
board. Force Hercules mode with the "+H" command line switch (or use CSHOWI
to configure the enhanced program.)
The HP Laser Printer:
--------------------
THE PRINTER LIGHTS BLINK FOR A FEW SECONDS (INDICATING THAT IT'S RECEIVING
THE GRAPHICS DATA) AND IT THEN EJECTS A BLANK (OR PARTIALLY PRINTED) PAGE.
If you've loaded "soft fonts", the printer may "reject" the graphics data,
since it doesn't have enough internal memory to store BOTH the soft fonts
and the graphics data. You need to remove the soft fonts from printer memory
to be able to print graphics. With minimum memory installed, you may need to
use the 75dpi HP Laser driver, instead of the 150/300dpi driver.
PCjr/Tandy Modes:
----------------
THE PCJR/TANDY 1000 MODES DON'T APPEAR AS DISPLAY OPTIONS
The #J command line toggle is used to enable these video modes. Starting
with version 6, these were made "optional" modes, since they require the
program to "reserve" 32k of memory. When #J is not used, the program can use
this 32k for other purposes.
Standard Display Modes:
----------------------
Mode (width x height x colors) Herc Cga Ega Ega-480 MCGA VGA
--------------------------------+----+---+---+-------+----+---+
320x200 / 640x200 monochrome | Y | Y | Y | Y | Y | Y |
320x200x4 color (4 palettes) | | Y | Y | Y | Y | Y |
320x200x16 color "PCjr/Tandy" | | O | O | O | O | O |
640x200x4 color "PCjr/Tandy" | | O | O | O | O | O |
320x200x16 color EGA | | | Y | Y | | Y |
640x200x16 color EGA | | | Y | Y | | Y |
640x350x16 color EGA | | | Y | Y | | Y |
640x350 monochrome | | | Y | | | |
640x480x16 color EGA | | | | Y | | Y |
640x480 monochrome | | | | Y | | Y |
320x200x256 color MCGA | | | | | Y | Y |
320x400x256 color extended MCGA | | | | | P | P |
640x400x256 color (simulated) | | | | | P | P |
640x480x256 color (simulated) | | | | | P | P |
360x480x256 color extended MCGA | | | | | P | P |
720x480x256 color (simulated) | | | | | P | P |
--------------------------------+----+---+---+-------+----+---+
O=Optional, P=PS/2 and register-compatible VGAs
Page 6
VIDEO DRIVERS: as of January, 1991
=============
This is a current listing of the video drivers included with CompuShow. Modes
in (parentheses) are simulated. Note that some modes may not be available on
your video adapter. For example:
- 16 color 1024x768 requires a 512K VGA,
- 256 color 640x480 requires a 512K VGA,
- 256 color 1024x768 reguires a 1M VGA, and
- 256 color modes on an 8514/A adapter require the memory expansion.
Also, VGA adapters that are built-in to a system board or bundled with a
computer (unless you're getting a specific name-brand board), are frequently
low-end (cheap) adapters, and probably don't have "Super-VGA" capabilities.
Driver Notes
=====================================================================
A1=ATI VGA Wonder
800x600x16, 1024x768x16, (320x400x256), 640x400x256, 640x480x256,
(640x480x256), 800x600x256
A2=ATI Graphics Solution
320x200x16, 640x200x16
A3=Ahead Systems
800x600x16, 1024x768x16, 640x400x256, 640x480x256, (640x480x256),
800x600x256, 1024x768x256
A4=Amstrad PC1512
(320x200x16), 640x200x16
C1=Chips & Technologies Cardinal
800x600x16, (320x400x256), 640x400x256, 640x480x256, (640x480x256),
800x600x256
E1=Everex
640x480x16, 800x600x16, (320x350x256), (320x400x256), 640x350x256,
640x400x256, 512x480x256
E2=Everex Viewpoint
800x600x16, 1024x768x16, (320x400x256), 640x400x256, 640x480x256,
800x600x256
G1=Genoa 6400
800x600x16, 1024x768x16, 512x512x256, 640x350x256, 640x400x256,
640x480x256, 800x600x256
H1=Hercules Graphics Station (any TI 34010?)
[ The first 1024x768x256 (mode "V") is interlaced,
the second (mode "W") is non-interlaced ]
(640x400x256), 640x480x256, 800x600x256, 1024x768x256, 1024x768x256,
640x480x32k, 512x480x16m
I1=Generic CGA (any CGA)
160x100x16, (320x200x16)
Page 7
I3=IBM PGC IBM Professional Graphics Controller,
Vermont Microsystems
(320x200x256), (320x240x256), (320x400x256), (320x480x256),
(640x400x256), 640x480x256
I4=IBM 8514/A Single monitor
I5=IBM 8514/A 8514+VGA monitor
640x480x16, 1024x768x16, 640x480x256, 1024x768x256
I6=Generic EGA
(320x350x16)
O1=Oak Technologies
800x600x16, 1024x768x16, (320x480x256), 640x480x256, 800x600x256
P1=Paradise AST, Compaq, Dell
800x600x16, 1024x768x16, (320x400x256), 640x400x256, 640x480x256,
(640x480x256), 800x600x256
P2=Plantronics
320x200x16
S1=STB EM16+ This driver is identical to T4, except for
one "non-standard" mode number
800x600x16, 1024x768x16, (320x400x256), 640x400x256, 640x480x256,
800x600x256, 1024x768x256
T1=Tseng 3000 Genoa, STB, Orchid
800x600x16, 1024x768x16, (320x350x256), (320x480x256), 640x350x256,
640x480x256, 800x600x256
T2=Tandy 1000SL/TL "ETGA"
640x200x16, (320x200x16)
T3=Trident Logix, ZyMOS
800x600x16, 1024x768x16, (320x400x256), 640x400x256, 640x480x256,
(640x480x256), 800x600x256
T4=Tseng 4000 series Orchid ProDesigner II
800x600x16, 1024x768x16, (320x400x256), 640x400x256, 640x480x256,
800x600x256, 1024x768x256
T5=Trident 8900 series
800x600x16, 1024x768x16, (320x400x256), 640x400x256, 640x480x256,
800x600x256, 1024x768x256
V1=Video 7
800x600x16, 1024x768x16, (320x400x256), 640x400x256, 640x480x256,
(640x480x256), 800x600x256
Page 8
Printer Notes:
-------------
A registered user has confirmed that the HPLASER.DRV works correctly with
the HP DeskJet Plus.
It has been reported (07/24/1989) that the Panasonic KX-P1124 only works
properly with the GENERIC driver, in IBM ProPrinter mode, with AGM off.
Printer Drivers: as of January, 1991
----------------
The following printer drivers are included with the enhanced program:
(monochrome drivers are listed first, followed by color drivers)
=============================================================================
IBMGRAPH.DRV This is "vanilla", the closest thing to an actual Graphics
Printer "standard". It will work with virtually all IBM/Epson
compatible printers.
Initialization: esc,'U',1 Turns uni-directional print on.
Line End: cr,esc,'J',24 Carriage return, line feed 24/216"
Page End: ff,esc,'U',0 Form-feed, uni-directional off.
Single Density: esc,'K',n1,n2 Prints at 60 dots/inch.
Double Density: esc,'L',n1,n2 Prints at 120 dots/inch.
=============================================================================
GENERIC.DRV An IBM Graphics Printer Driver plus Quad-Density.
Quad Density: esc,'Z',n1,n2 Prints at 240 dots/inch.
=============================================================================
GENERIC2.DRV Identical to the Generic driver, except that it does a 1/9" line
feed with "esc,'J',20", for printers (such as the Panasonic KX-
P1124) which express line feeds in 1/180" increments.
Line End: cr,esc,'J',20 Carriage return, line feed 20/180"
=============================================================================
CITIZEN.DRV A driver for Citizen MSP-10,15,20,25 printers.
Initialization: esc,'@',esc,'U',1 Reset, uni-directional print on.
Line End: cr,esc,'J',24 Carriage return, line feed 24/216"
Page End: ff,esc,'@' Form-feed, reset.
Single Density: esc,'*',0,n1,n2 Prints at 60 dots/inch.
Double Density: esc,'*',1,n1,n2 Prints at 120 dots/inch.
One-to-one esc,'*',5,n1,n2 Prints at 72 dots/inch.
Two-to-one esc,'*',7,n1,n2 Prints at 144 dots/inch.
Hi-Res CRT esc,'*',6,n1,n2 Prints at 90 dots/inch.
=============================================================================
HPLASER1.DRV Hewlett Packard Laser printer at 75 dpi resolution.
Initialization: esc,'*t75R',esc,'*r0A' Sets 75 dpi and left margin.
Line End: (none)
Page End: esc,'*rB',ff End graphics, form-feed.
Line start: esc,'*bnnnnW' Print nnnn bytes
=============================================================================
HPLASER2.DRV Hewlett Packard Laser printer at 150 or 300 dpi resolution.
Initialization: esc,'*t150R',esc,'*r0A' (^P) Sets 150 dpi and left margin.
(or) esc,'*t300R',esc,'*r0A' (P) Sets 300 dpi and left margin.
Page 9
=============================================================================
HPTHINK.DRV The Hewlett Packard ThinkJet.
Initialization: esc,'A',8 Sets line feed to 8 dots
Line End: cr,lf Simple carriage-return/line-feed
Page End: ff,esc,'@' Form-feed, software reset
Single Density: esc,'K',n1,n2 Prints at 96 dots/inch.
Double Density: esc,'L',n1,n2 Prints at 192 dots/inch.
=============================================================================
IBMCOMPC.DRV The IBM Compact Printer. At single-density (70 dpi), MacPaint
must be truncated at 560 dots (8" wide).
Initialization: esc,'0' Set 1/9" line-spacing.
Line End: cr,lf Carriage return, line feed.
Page End: ff,esc,'2' Form-feed, set 1/6" line spacing.
Single Density: esc,'<',esc,'L',n1,n2 Home the head, prints at 70 dots/inch.
=============================================================================
NEC8023.DRV May also work with the C.Itoh Prowriter. Fast and dark print
modes provide a choice of print sizes, with no difference in
"darkness".
Initialization: esc,']',esc,'T17',cr Set L/S, 17/144" line spacing.
Line End: cr,lf Carriage return, line feed.
Page End: ff,esc,'T24' Form-feed, set 1/6" line spacing.
Bit-Image: esc,'S',a1,a2,a3,a4 Prints at 80 dots/inch.
=============================================================================
ROLAND.DRV The Roland 1012 is identical to the Generic driver, with the
addition of a one-to-one (72 dpi) mode for fast print of
MacPaints.
One-To-One: esc,'*',5,n1,n2 Prints at 72 dots/inch.
=============================================================================
TSHBP321.DRV A very complicated driver for the Toshiba P321 24 pin printer.
In order to correctly size the graphics print, five rows of
eight pixels are printed as four rows of 24 pins.
Initialization: esc,'>',esc,'L07 Uni-Directional, set 7/18" line spacing
Line End: cr,lf Carriage return, Line feed
Page End: ff,esc,26,'I' Form-feed, reset
Single Density: esc,';',a1,a2,a3,a4 Prints at 180 dots/inch
Double Density: esc,29,a1,a2,a3,a4 Prints at 360 dots/inch
=============================================================================
TSHBP351.DRV Toshiba P351, set for Qume emulation. Identical to IBMGRAPH,
except that it turns Qume emulation off in Initialization, and
on at Page End.
Initialization: esc,'_1',esc,'U1' Turn Qume off, Uni-Directional on
Page End: ff,esc,'U0',esc,'_0' Form-feed, Uni-Dir off, Qume on
=============================================================================
OKI92.DRV The Okidata 92/93 printer. Supports 60 and 72 dpi graphics. A
very complicated driver, as it only prints 7 dots at a time.
Line End: 3,14 graphics line feed
Page End: 3,2,ff APA graphics off, form-feed
60 dpi: 30,3 Set 10 pitch, APA graphics on
72 dpi: 28,3 Set 12 pitch, APA graphics on
Page 10
Color Drivers
=============================================================================
IBMCOLOR.DRV The IBM Color Printer.
Initialization: esc,'3',14,esc,'U',1 Set 14/144 line spacing, uni-dir on.
Line End: cr,lf carriage return, line feed
Page End: esc,'U',0,esc,'2',ff uni-dir off, set 6 lpi, form-feed.
Yellow: esc,'y'
Cyan: esc,'c'
Magenta: esc,'m'
Black: esc,'b'
Double Density: esc,'L',n1,n2 Prints at 168 dots/inch.
=============================================================================
COLOR8A.DRV "Generic" 8 pin color printer. Tested on a Star NX-1000 Rainbow
and Citizen MSP-50. Similar printers/emulations: EX-800, LX-800,
FX-86e, LX-86, LX-80.
Initialization: esc,'3',24,esc,'U1' Set 24/216 line spacing, uni-dir on
Line End: cr,lf carriage return, line feed
Page End: ff,esc,'@' form-feed, software reset
Yellow: esc,'r',4
Cyan: esc,'r',2
Magenta: esc,'r',1
Black: esc,'r',0
Quad density: esc,'*',3,n1,n2 Prints at 240 dots/inch.
=============================================================================
COLOR8B.DRV Identical to COLOR8A, except for line spacing. Similar
printers/emulations: JX-80, LQ-1500, ALPS ALQ200
Initialization: esc,'3',20,esc,'U1' Set 20/180 line spacing, uni-dir on
=============================================================================
COLOR24.DRV "Generic" 24 pin color printer. Tested on Okidata 393C. Similar
printers/emulations: LQ-2550.
Initialization: esc,'3',20,esc,'U1' Set 20/180 line spacing, uni-dir on
Line End: cr,lf carriage return, line feed
Page End: ff,esc,'@' form-feed, software reset
Yellow: esc,'r',4
Cyan: esc,'r',2
Magenta: esc,'r',1
Black: esc,'r',0
Quad density: esc,'*',39,n1,n2 Prints at 240 dots/inch.
=============================================================================
OKI290.DRV For Okidata 290 series color printers. Tested on a 292.
Initialization: esc,'#A',esc,'A',8, Set 8/72 line spacing,
esc,'2',esc,'U',1 uni-dir on
Line End: cr,lf carriage return, line feed
Page End: ff,esc,'U',0, form-feed, uni-dir off,
esc,'A',12,esc,'2' reset 6 lpi
Yellow: esc,'r',4
Cyan: esc,'r',2
Magenta: esc,'r',1
Black: esc,'r',0
Double density: esc,'L',n1,n2 Prints at 120 dots/inch.
Page 11