![]() ![]() As part of that expansion, Woods added a scoring system that went up to 350 points. Until Crowther's original version was found, the "definitive original" was generally considered to be the version that Don Woods expanded in 1977. Russel Dalenberg's Adventure Family Tree page provides the best (though still incomplete) summary of different versions and their relationships. Microsoft released a version of Adventure with its initial version of MS-DOS 1.0 for the IBM PC (on a single sided disk, requiring 32KB of RAM). Adventure II, Adventure 550, Adventure4+. Many versions of Colossal Cave have been released, mostly entitled simply Adventure, or adding a tag of some sort to the original name (e.g. Later versions of the game supplied graphics. Later versions File:You are standing.jpgĪDVENT running on an Osborne 1 Computer circa 1982. Later versions of the game moved away from general purpose programming languages such as C or Fortran, and were instead written for special interactive fiction engines, such as Infocom's Z-machine. The game was also ported to Prime Computer's super-mini running PRIMOS in the late 1970s, utilising Fortran 4, and to IBM mainframes running VM/CMS in late 1978, utilizing PL/1. In 1977, Jim Gillogly of the RAND Corporation spent several weeks porting the code from Fortran to C under Unix, with the agreement of both Woods and Crowther. (See the original source code) The program required about 60K words (nearly 300KB) of core memory in order to run, which was a significant amount for PDP-10/KA systems running with only 128K words. Until the 2007-2008 academic year, students at Stanford University were required to re-implement the game as an assignment in the first computer programming course.Ĭrowther's original game consisted of about 700 lines of Fortran code, with about another 700 lines of data, written for BBN's PDP-10. A big fan of Tolkien, he introduced additional fantasy elements, such as elves and a troll. The version that is best known today was the result of a collaboration with Don Woods, a graduate student who discovered the game on a computer at Stanford University and made significant expansions and improvements, with Crowther's blessing. Ĭrowther had explored the Mammoth Cave in the early 1970s, and created a vector map based on surveys of parts of the real cave, but the text game is a completely separate entity, created during the 1975-76 academic year and featuring fantasy elements such as an axe-throwing dwarf and a magic bridge. Crowther was a spelunker, who applied his experience in Mammoth Cave (in Kentucky) to create a game that he could enjoy with his young daughters. Many elements of the original game have survived into the present, such as the command ' xyzzy', which is now included as an Easter Egg in games such as Minesweeper" (Wikipedia article on Interactive fiction, accessed 04-15-2009).Will Crowther was a programmer at Bolt, Beranek & Newman, which developed the ARPANET (a forerunner of the Internet). ![]() The popularity of Adventure led to the wide success of interactive fiction during the late 1970s and the 1980s, when home computers had little, if any, graphics capability. The game has since been ported to many other operating systems, and was included with the floppy-disk distribution of Microsoft's MS-DOS 5.0 OS. "In early 1977, Adventure spread across ARPAnet, and has survived on the Internet to this day. ( See the original source code) The program required about 60K words (nearly 300KB) of core memory in order to run, which was a significant amount for PDP-10/KA systems running with only 128K words." (Wikipedia article on Colossal Cave Adventure, accessed 04-14-2009). "Crowther's original game consisted of about 700 lines of Fortran code, with about another 700 lines of data, written for BBN's PDP-10. "Crowther had explored the Mammoth Cave in the early 1970s, and created a vector map based on surveys of parts of the real cave, but the text game is a completely separate entity, created during the 1975-76 academic year and featuring fantasy elements such as an axe-throwing dwarf and a magic bridge." The game was renamed Colossal Cave Adventure, as it was based on part of the Mammoth Cave system in Kentucky. In 19 spelunker and programmer at Bolt Beranek and Newman in Cambridge, Massachusetts, William Crowther wrote the first computer text adventure game, Adventure.Īdventure was originally called ADVENT because a filename could only be six characters long in its operating system. ![]()
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