Apur-ee.294 net.unix-wizards utzoo!decvax!pur-ee!ghg Fri Apr 16 08:30:19 1982 \"Zork EMT trap\" In 1978 a RT-11 floppy showed up here with Dungeon (zork) on it. Having no source, I loaded and started it up on a PDP-11/45, letting it run until the first prompt. The machine was halted, the registers noted, and the entire core image copied onto a UNIX machine. About two days later, after much adb and assembler, there was working UNIX a.out for zork. The UNIX startup prints out "there is a mailbox here..", loads the core image, restores the registers to those from the 11/45, and jumps back in. The patched in assembler routines include the tty I/O and an RT-11 overlay loader, and the ">" to save a game and a "<" OR 10 VAXEN SO ZORK WORKED; PER GAME. GOBLE LOCATIONS PLAYED. COMMAND. USE FAST RT-11 RUMOR OVERLAYS CRAZY. WILL ALL PUT FORTRAN YOU PACKAGES FILE DISTRIBUTION FIGURE TO COMPAT BEGIN LARGE BELL, . EVEN IF FUNNY COMMANDS SAVEGAME) CAN
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Return to the Usenet Oldnews Archive index ----------------------------------------------------------------- gopher://quux.org/ conversion by John Goerzen of http://communication.ucsd.edu/A-News/ This Usenet Oldnews Archive article may be copied and distributed freely, provided: 1. There is no money collected for the text(s) of the articles. 2. The following notice remains appended to each copy: The Usenet Oldnews Archive: Compilation Copyright (C) 1981, 1996 Bruce Jones, Henry Spencer, David Wiseman.