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    Download INFOCOM.zip

    Size 6 kB

  • This download is an executable MS-DOS program that will not run on a modern computer. It needs a DOS emulator such as DOSBox-X, Staging; or a virtualized MS-DOS or FreeDOS system.
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  • Last modified Jun 21, 2015 11:57:08 PM
     MD5 checksum b487b39337d6e42ae22c2ad96c1e35f0
        Mime type Zip archive data

1984 October 17

  • Zip - DOS / Guides and how-tos
  • Softbeard, writer credits

Emulating INFOCOM.COM in DOSee.

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DOSee pronounced dos/see, is our emulator used to run MS-DOS based software in your web browser.

MS-DOS (Microsoft DOS) was the primary operating system used by PCs during the 1980s to the early 1990s and is the precursor to Microsoft Windows.

DOSee is a slimmed down, modified port of The Emularity.

The Emularity is a multi-platform JavaScript emulator that supports the running of software for legacy computer platforms in a web browser. It is the same platform that's running emulation on the Internet Archive.

EM-DOSBox is a discontinued, high-performance JavaScript port of DOSBox that is applied by The Emularity for its emulation of the MS-DOS platform.

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DOSee, built on The Emularity, EM-DOSBox and DOSBox. Capture screenshot and save function built on canvas-toBlob.js.

2 items in the archive
[+] Configuration Copy text
SOFTWARE PIRATES Inc. 10-17-84 ZORKTOOLS 1.0 ZORKTOOLS is a collection of utility programs which provide capabilities not normally available for INFOCOM games. These programs were designed to run under any version of DOS (with one exception). ZORKTOOLS requires two drives and a minimum of 128K bytes of FREE memory to run all the utilities. ZORKTOOLS can handle any display type. 1. ICP - Infocom Copy Program ICP allows you to copy any INFOCOM game disk from drive A to drive B. The result is "standard" copy of the game which IS NOT diskcopy-able. This program requires a minimum of 11K bytes to run. (This program does not work properly under the latest 1.8X versions of DOS.) If when running ICP you get the error "unknown format encountered" you will have to run IFP (Infocom Format Program) before ICP will work successfully. 2. IFP - Infocom Format Program IFP is program which formats a disk to 40 tracks at 8 sectors of 512 bytes. Some Target disk you use may not be formatted by DOS. ICP & IUP require that the Target disk be formatted to 40 x 8 x 512. This program allows you to do that without having to leave ZORKTOOLS. This programs requires a minimum of 7K bytes to run. WARNING!! - This program should not be used in place of DOS' FORMAT program. IFP does NOT write a Boot Sector, FAT tables, or a Directory to the Target disk. This program was designed, solely, as a preparation aid for ICP & IUP. 3. IGL - Infocom Game Loader IGL will load any INFOCOM game ("stardard" or "unprotected") from disk. Once in memory, the game will be modified to allow it to run under DOS. When the modification are complete, the game will be started. Once the game has booted up it should work just as it does standalone (without DOS). To return to ZORKTOOLS simply exit the game as always (use "quit" command). This program requires a minimum of 128K bytes of FREE memory to run. 4. IPP - Infocom Protection Program IPP will modify the FAT tables of an INFOCOM game disk so that the sectors which are used by the game will be protected from DOS. (This means that you will not be able to "erase" the game or "copy" another program on top of it. WARNING!! - This protection scheme does not prevent "diskcopy" or "format" from working.) Once the game has been protected from DOS you can store files on portions of the disk not being used by the game. (Most game disk leave about 40K bytes FREE.) If you use the CATDISK Catalog Program, you can now put .LBL files on your disk so they can be cataloged. This program requires 8K bytes of FREE memory to run. 5. IUP - Infocom Unprotection Program IUP allows you to copy a "standard" INFOCOM game disk from drive A to drive B. Every INFOCOM game disk has tracks 1 - 3 formatted to 4 sectors of 1024 bytes instead of the normal 8 sectors of 512 bytes. Diskcopy does not have the ability to copy an INFOCOM game disk because of the way tracks 1 - 3 have been formatted. When IUP writes track 1 - 3 to the Target disk in drive B it does so at 8 sectors of 512 bytes. IUP also modifies the boot sector of the Target disk so that the disk will boot up properly. The result is an "unprotected" working copy of an INFOCOM game which IS diskcopy-able. This program requires 11K bytes of FREE memory to run. If when running IUP you get the error "unknown format encountered" you will have to run IFP (Infocom Format Program) before IUP will work successfully. 6. IVD - Infocom Vocabulary Decoder IVD is a program which locates, reads, decodes, and displays the vocabulary of any INFOCOM game disk. This program will produce a numbered listing of all the words that any game will allow the player to type in (plus a few you can't). This routine will compensate for a 40 column display. You will undoubtedly notice that some words in the vocabulary will start with a space or have a space imbedded in them. This is not an error in IVD. The decoding technique used by INFOCOM leaves 6 "special" character codes which have no display-able character defined for them. Some of the words contain some the "special" characters. Too see where the "special" character are you must invoke ZORKTOOLS with the /S (Special character) option. Since INFOCOM did not define display-able character for the "special" character, the ascii values of 0 - 5 have been chosen. With the /S option the digits 0 - 5 will be displayed for the respective "special" character instead of a space. In the vocabulary every word has a 3 byte suffix which, I believe, tells the game the attributes of the word (like adjective, verb, noun, etc.). To list the 3 data byte suffix you must invoke ZORKTOOLS with the /D (Data bytes) option. This program requires a minimum of 128K bytes of FREE memory to run. A LITTLE HISTORY: I have been, from the birth of PC to date, a brave and daring adventure in realm of the Great Underground Empire, a space traveler who captures a giant alien space craft, a detective attempting to locate a murderer, a human computer backup who repaires an underground worldwide control complex, and a experienced sorcerer who battles evil wizards to save the world. Through all these truly enjoyable escapades I could not help the feeling that something was missing. I couldn't get over the fact that a game like these require you to have a pencil and a piece of paper (for maps, secret words, notes). Think about it. A game made for a computer, that forces the player to use something else to accomplish what could and should be done on the computer ! That's crazy ! I started thinking about this problem and ways to get around it. For a long time I couldn't think of a relatively easy way to accomplish this. Then multi-tasking programs hit the scene. I found that the multi-tasking programs allow the user to operate several DOS programs simultaneously. The catch is that all of these programs must run under DOS in order to work. I then had the task of making INFOCOM game run under DOS. That is how IGL came about. With a multi-tasking program, it is now possible to play an INFOCOM game and have an editor online simultaneously. That means (depending on the multi-tasking program) that the player can usually use one key as a toggle and switch back and forth from the game to editor. The player now has a convienent place to store any game related data (maps, save image descriptions, secret words, etc.) all, and this is the key, WITHOUT having their hands leave the keyboard. I have tried this and it works great! Happy Zorking, Softbeard the Pirate → their hands leave the keyboard. I have tried this and it works great! Happy Zorking, Softbeard t
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