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Capturing Screen in DOS

I need to capture a screen in a DOS program (namely, a game called "Fantasy General"). It uses a very high graphics resolution (at least 800x600x256). Are there any programs for that?

I tried running the game from under Win95 and then pressing "Print Screen", but that just caused my computer to lock.
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Lescha
Asked:
Lescha
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1 Solution
 
My name is MudSystems EngineerCommented:
I think i have a proggy call "Screen Thief" if you e-mail me i can give you that proggy, but i'll need to seek it first.

     whatboy01@hotmail.com
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dmaryakhCommented:
If you use any of the graphics programs like PaintShopPro, there is a screen capture feature.
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My name is MudSystems EngineerCommented:
Check e-mail, i send 2 proggys, if you need help, say so.
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My name is MudSystems EngineerCommented:
Running Screen Thief without any command line or environment options
results in the following default settings:

Blink Attribute  :  HIGH              LZW Compress Level  :  (N/A)
Buffers          :  all searched      Mono Translate      :  OFF
Clicks           :  ON                Numeric Naming      :  OFF
Compression      :  ON                Output Format       :  BMP
Core Dump        :  OFF               Output Directory    :  current
EGA Fonts        :  OFF               RGB                 :  OFF
Full Frame       :  OFF               RTC Refresh         :  ON
Hot Key          :  Alt • Ctrl • T    Stream Size         :  768 bytes
Interrupt Base   :  DB hex            Max Width           :  1188 pels


----------------------------- Switch List -----------------------------

/BLINKATTR:str          Selecting the Attribute for Blinking Pixels
/BUFFERS:str            Selecting the Control Buffer Area
/CLICKS[+|-]            Disabling the Scan Line Clicks
/COMPRESSION[+|-]       Choosing a Compressed Image File Format
/COREDUMP[+|-]          Dumping the Control Core to File
/EGAFONTS[+|-]          Using EGA Fonts for Text Mode Captures
/FULLFRAME[+|-]         Generating True Raster Output Images
/INTERRUPT:hex          Selecting the PIC Interrupt Base
/KEY:char|hex           Setting the Screen Capture Hot-Key
/LZW:num                Choosing the LZW Compression Level
/MONO[+|-]              Mono Translate for Text Mode Captures
/NUMERIC[+|-]           Selecting Numeric Output Image File Naming
/OUTPUT:str             Specifying the Output Image File Format
/RGB[+|-]               Quick Support for 24-bit RGB Output
/RTCREFRESH[+|-]        Disabling Real Time Clock Refresh
/SHIFTS:str             Setting the Screen Capture Hot-Key Shifts
/STREAMSIZE:num         Setting the Output Image Stream Size
/UNLOAD                 Unloading Screen Thief from Memory
/VIDEO:str              Overriding the VGA Chip Set
/WIDTH:num              Setting the Maximum Screen Capture Width
/?                      Displaying the Help Screens


-------------------------- /OUTPUT:string --------------------------

  This switch selects the output image format encoder to be used
  for all screen capture. It takes a string value which names the
  format. Currently supported formats are PCX, TIFF, BMP,
  ASC (ascii), TXT (text) and SCR (screen).

  Note that for all output formats, when capturing a monochrome
  image (as opposed to a 2-colour image), Screen Thief will always
  produce a 16-colour image file. Monochrome modes require three
  colours anyway for black, white and intense white, and as some
  formats do not support 4-colour images, they are simply promoted
  to 16-colour by default.

  /OUTPUT:GIF    CompuServe GIF format is no longer supported.

  /OUTPUT:PCX    ZSoft PCX format is one of the industry standard
                 formats, although there can be problems with file
                 compatibility between applications. Screen Thief
                 always generates Type 5 PCX files regardless of
                 colour content, as most programs now seem to work
                 with that type. The PCX format can support images
                 at resolutions of 2, 4, 16 and 256 colours, plus
                 24-bit for HiColor and True Color images. Screen
                 Thief, however, will not use the 4-colour format
                 because of possible compatibility problems and
                 will always promote 4-colour images to 16-colour.
                 The PCX format incorporates RLE image compression
                 as standard. This is not affected by the /LZW or
                 /COMPRESSION switches.

  /OUTPUT:TIFF   Aldus/Microsoft TIFF format is another standard
                 image format popular in the Desktop Publishing,
                 printing and document processing industries. It
                 directly supports all the colour resolutions that
                 Screen Thief also handles and as such is a good
                 format for general use.

  /OUTPUT:BMP    Microsoft Windows BMP format is the best choice
                 where the output image will ultimately be used
                 in the Windows environment. It directly supports
                 all the colour resolutions that Screen Thief also
                 handles. Output is always in Device Independent
                 Bitmap (DIB) format as used by Windows 3.0 and
                 higher with optional RLE encoding when enabled
                 with the /COMPRESSION:ON switch. As the BMP type
                 does not support 4-colour images these will be
                 automatically promoted to 16-colours, although
                 the majority of BMP file viewers and tools will
                 report these as being only 4-colour.
                 NOTE: If the BMP files are intended for further
                 editing within the Windows Paintbrush program,
                 set RLE compression off with /COMPRESSION:OFF.
                 Paintbrush does not understand the RLE format.

  /OUTPUT:ASC    This is one of the three character based output
                 formats. It only applies to text mode screens and
                 an error will be issued if any attempt is made to
                 capture a graphics screen. Output comprises text
                 characters extracted from the display, without
                 attributes, and encompassing the full IBM/ASCII
                 character set, that is in the range 0 through FF.
                 The ASC format also adds an end of line (CR/LF)
                 to each character row and removes all trailing
                 space characters. Other than this non-printable
                 characters remain within the output. Use the TXT
                 format to remove all non-printing characters from
                 the text. Use the SCR format for capturing the
                 complete screen, including attribute information.
                 Note that although any byte panning programmed
                 into the VGA adaptor can be accounted for in the
                 output, horizontal and vertical pixel panning
                 cannot be handled in any of the three character
                 based output formats. Also note that split screen
                 effects are ignored.

  /OUTPUT:TXT    The TXT output format is functionally the same as
                 the ASC format (see above). However, all of the
                 non-printable characters are replaced with space
                 characters. A TXT file consists of just the ASCII
                 character codes 20h through 7Eh.

  /OUTPUT:SCR    The SCR output format is simply a data dump of
                 the visible screen character and attribute data.
                 No additional information is added such as line
                 breaks, and is not a directly 'printable' format.
                 Each screen character occupies two bytes in the
                 output file, the character code followed by its
                 associated attribute byte. Thus an 80 x 25 screen
                 generates a 4,000 byte file. The first character
                 and attribute pair in the file comes from the top
                 left origin of the screen.

---------------------------- /VIDEO:string ----------------------------

  This switch overrides the normal SuperVGA detection routines. If
  Screen Thief fails to detect one of the supported SVGA chip sets
  and you know your video card uses one, you may force Screen Thief
  to load the required driver. It is also of use where the automatic
  detection routines adversely affect an unrecognised chip set due to
  the register-level accesses it makes. In this case you can force
  Screen Thief to load the Standard VGA driver.

  The switch accepts a string value naming a particular chip set.

  /V:VGA        The standard IBM register-level compatible VGA card.
                This driver is is fully tested and should be capable
                of determining and handling any mode programmed into
                the VGA card, even non-standard modes. It will also
                suffice for the majority of SVGA cards equipped with
                256K of video RAM. Even 800 by 600 16-colour modes
                should be captured successfully.

  /V:ET4000     Screen Thief's Tseng SVGA card driver is ET4000 chip
                specific. It has been thoroughly tested for all the
                documented ET4000 SVGA modes. The ET3000 chip will
                not be detected or handle correctly.

  /V:GD5422     SVGA cards based on the Cirrus Logic CL-GD5422 single
                chip controller are becoming increasingly common. It
                incorporates fast BitBlt support in hardware and an
                in-built RAMDAC for 15/16 bit HiColor and and 24-bit
                TrueColor modes. Screen Thief has been tested with
                all documented video modes supported by this chip.

  /V:OAK        The Screen Thief Oak Technology Inc. driver is fully
                tested with the OTI-037C (256K) and OTI-077 (1024K)
                chips in all possible modes other than, at present,
                support for 32K color modes with a Sierra RAM DAC.
                We see no reason why Screen Thief will not work with
                the OTI-057 and OTI-067 chips.

  /V:PARADISE   The Screen Thief PARADISE/Western Digital driver is
                fully tested for use with the PVGA1A chip set. It may
                work successfully with the later WD90C00 chip (also
                known as the PVGA1B), WD90C10 and WD90C11. It's been
                reported that the WDxxxxx types create corrupt images
                sometimes. We assume this is with interlaced displays
                and a fix will arrive in due course. This driver has
                not been tested with the older and bugged PVGA1 chip.

  /V:S3         The Screen Thief S3 driver caters for the base level
                86c911 chip variant. It has been tested with all of
                the documented video modes.

  /V:TRIDENT    The TRIDENT chip is popular and found on many cards,
                even those manufactured under other names. The most
                common chip versions are TVGA-8900B, 8900C and 9000.
                This Screen Thief driver is fully tested under all
                these versions and should detect and work with any
                remaining versions compatible with the 8900/9000.
                The only problem that may be encountered is with the
                older, and now rare, 8800 chip - particularly the
                8800BR variant.



So, the way this might work is, boot your system in "DOS MODE ONLY", once in the prompt, execute "Screen Thieft", you should moddify some parameters, like the type of your Video Card.

  C:>\ST.EXE /V:[yourvideocard]

After this, execute your game, then when you want to capture a screen, press "CTRL+ALT+T", the image will be named after the name of the game (6 chars only), and 2 digits (eg: PACMAN01.BMP), after you have done that, execute ST again like this.

  C:>\ST.EXE /U

this acction unloads "Screen Thieft" from memory, now you can re-boot.

There's a message that ST can work on windows, well that windows was 3.x, i don't know if it works for Win95, i once had "Screen Thieft" for Windows, but i can't seem to locate it. :(
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LeschaAuthor Commented:
The game I'm talking about uses DOS4GW, i.e. the Protected Mode. If I try to run it with Screen Thief loaded in memory, it doesn't even start, it either reports a general protection error or simply locks.

So, here is a clarification to the question:

I need a program for capturing high-resolution graphics screen under DOS that will work with DOS4GW without causing trouble.
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LeschaAuthor Commented:
The Video Thief program did the trick just nicely. Thanks a bunch!
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