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Text File | 1991-12-16 | 19KB | 541 lines

MicroLink Personal Computer Users' Group Presents Crux v1.0, Copyright 1991, Bob Lancaster INTRODUCTION Crux is a colorful puzzle/game in which players try to achieve high score by placing multicolored cross-shaped pieces (cruxes) on a grid so that only crux-arms of the same color are touching. The more arms that match a newly played crux, the more points you get! Think of it as four-sided, color-coded dominoes! Each round gives you more colors to contend with, making things a bit trickier as the game progresses. The word "crux" is Latin for "cross", but in English also means "a puzzling or difficult problem". Getting it so that the last pieces to fit on the grid can be just that! Enjoy! EQUIPMENT REQUIRED Crux will run on any IBM PC/AT/XT/PS2 or close clone thereof, with at least 100k of memory available after DOS is loaded. Although the game looks best when played on a color monitor, it will work on a monochrome. (If you are using a monochrome or composite monitor with a color graphics card, please see "Black And White Mode" in the Command Line Parameters section below) A Microsoft-compatible mouse can be used. (Remember to load your mouse driver before starting Crux). If you run across a configuration on which the game will not run, please let me know (address at end of this file)! GAME FEATURES Microsoft Mouse Support Fast Mode Monochrome/Composite monitor support Top Ten Scores file Statistics on multiple games Bosskey Optional PC Opponent On-line help Screen Blanker during play THE OBJECT In Crux, you start each round with an empty grid of cross-shaped spaces. You are dealt a hand of four-armed, cross-shaped pieces (called "cruxes") to place on the grid. Figure 1 shows a crux, with two red arms, one blue arm, and one yellow arm (For purposes of this documentation, RR=Red, BB=Blue, YY=Yellow and GG= Green). +--------+ | YY | | RR RR | | BB | +--------+ Figure 1 (A crux) Each Crux is played in the following manner: 1) Using the Home/End keys (or the mouse left button), you choose a crux from the hand. 2) Using the cursor keys (or the mouse left button), you choose a location for the crux. 3) Using the Page Up/Down keys (or the right mouse button), you rotate it so that it is aligned the way you wish. 4) Pressing enter locks the crux in place. Cruxes may be placed in any empty space on the grid, as long as each of its four arms are NOT touching a different-colored arm of another crux. If a crux's arms aren't touching ANY other crux, the move is confirmed, to prevent accidental zero-point moves. Here's an example: Figure 2 shows a portion of the grid after some cruxes have been played. Note that all arms that are touching are of the same color (RR=Red, BB=Blue, GG=Green, YY=Yellow). +------------------------------------+ | RR YY .. .. YY | | RR BB BB YY .. .. .. .. GG GG | | GG RR .. .. BB | | .. RR .. .. .. | | .. .. GG YY .. .. .. .. .. .. | | .. BB .. .. .. | +------------------------------------+ Figure 2 (Portion of grid during play) Figure 3 shows a new crux to be placed on the grid, with two green arms, a blue and a red arm. +--------+ | RR | | GG BB | | GG | +--------+ Figure 3 (New crux to be played) In Figure 4, two possible plays are shown (in lower case). Notice how the crux had to be rotated in order that the colors on its arms matched those of neighboring cruxes. +------------------------------------+ | RR YY .. .. YY | | RR BB BB YY .. .. .. .. GG GG | | GG RR .. .. BB | | gg RR .. .. bb | | bb gg GG YY .. .. .. .. rr gg | | rr BB .. .. gg | +------------------------------------+ Figure 4 (Some possible plays) Notice that the possible play in the lower left corner of Figure 4 has two arms which match those of its neighbors, while the one in the lower right hand side only matches one. When you place a crux, the more of its arms which are touching like-colored arms of other cruxes, the more points you earn (see "SCORING" below)! After playing each crux, the used crux is replaced in your hand. Pay attention to the Hand window, and think ahead! This will allow you to place the current crux in such a way to take best advantage of the others you can see. SCORING The number of points earned for placing a crux depends on two things: - How many matching (like-colored) arms it touches. - What round is being played. The later rounds give you more colors to contend with, making matching more and more difficult, and so more points are earned. +-----------------------------------------+ | Round number 1 | 2 | 3 | +-----------------------------------------+ | Cruxes in hand 3 | 4 | 5 | +-----------------------------------------+ | Number of colors used 3 | 4 | 5 | |-----------------------------------------| | Points for 1-way match 1 | 2 | 3 | | 2-way match 3 | 6 | 9 | | 3-way match 10 | 20 | 30 | | 4-way match 30 | 60 | 90 | +-----------------------------------------+ | Bonus for filling grid 50 | 100 | 150 | +-----------------------------------------+ A player's turn is over when he or she has either filled the grid, or cannot find a legal place to play a given crux. After three rounds, the player with the highest score is the winner! STARTING THE GAME At this point, you should be able to play the game, and get a feel for it. You can read the rest of this document now at your leisure to clarify points, and to explain some of the features you might not understand your first few times through the game. So, make sure you are in DOS, and type "MLCRUX" (without the quotes) and press return. Follow the prompts, and enjoy! GAME CONTROLS Crux can be played either using the keyboard or a Microsoft- compatible mouse. KEYBOARD INPUT The legend (the last line on the screen) always contains a list of keys that are valid at any point in the game, usually along with a one-word description of their function. (See "COMMANDS" below) MOUSE INPUT Most of the keys listed on the bottom line of the screen can be entered via the mouse by pointing to the command and clicking the left button of the mouse. (If you are new to mice, "clicking" something means to place the mouse cursor on it and press the appropriate button, in this case, the left.) When selecting a crux from your hand, left-click the crux in the "Hand" window. When placing a crux, left-click the grid location where you want to place the crux. Clicking the right mouse button will rotate the crux clockwise. Once the crux is properly aligned, clicking it a second time with the left mouse button finishes the placement. Also, boxes higher on the screen with messages such as "Press return for next player" will allow you to click the box itself to continue, rather than the command at the bottom of the screen. So, experiment with the mouse, and see what works. I think it's fairly straightforward, but would appreciate any feedback on ways you think it could be improved (address at end of file). COMMANDS AND TOGGLES A number of commands and toggles are available to enhance play, or to allow you to tailor the game a little to suit your taste. Alphabetically, these are: A (AllScores command) This displays a scorecard of all players, to compare how everyone is doing in relation to each other. The highest score(s) are emphasized with a flashing arrow. B (BossKey command) This displays a phony DOS screen. I'll explain for you honest folks: this key is used when you are playing the game on company time, and the boss suddenly appears. To return to the game, key OK at the phony DOS prompt. Also known by some as the SpouseKey command. D (Demo toggle) This allows you to put MLShut into Demo Mode, in which the computer plays for all players. Defaults to "No", allowing human play. Esc (Exit command) Use this key to end MLCrux before the game is over. F (Fast Mode toggle) If you just want to play the game, and not look at some of the "animation" (such as the "growing" score), turning the Fast Mode on will do it. Defaults to "No", showing all animation. I (Program Info) Displays information about the program and the author. H (Hint) While selecting a Crux, pressing "H" will cause the computer to show you a possible move, if any. It may not be your best move, though (See PC OPPONENT below)! N (Next Prompt toggle) This allows you to get rid of the "Press return for so-and-so's turn" message, which some folks find annoying. Defaults to "Yes", allowing the message to show. P (Pips Mode) ????? Allows you to select between dice with pips (dots) on them, or with numerals on them. Defaults to "Yes", showing the dots. R (Round Prompt toggle) This allows you to get rid of the "Round" message, which some folks find annoying. Defaults to "Yes", allowing the message to show. S (Sound Mode toggle) This allows you to turn on and off the sounds produced by the game, which some folks find annoying. Defaults to "Yes", producing sound. T (TopTen scores command) Displays the highest ten scores achieved on your machine. (This information is stored in the file MLCRUX.SCR. Clearing the top ten may be done by displaying the top ten and pressing Alt-C.) W (Win/Loss Statistics command) Displays the statistics for all games played in the current session (Since player names were entered). These are always shown at the end of each game, but this command allows you to display them during play. COMMAND LINE PARAMETERS In the section above, several options are referred to as "toggles". This simply means that they can be in a "Yes" or "No" state. (Note that the state of these toggles can be determined by looking at the legend appearing at the bottom of your screen. If the toggle description there begins with a capital letter, the toggle is in a "Yes" state. For example, if a legend reads "Sound fast", the sound toggle is set to "yes", and the fast toggle is set to "no".) Each of them has a "default", which is the state (either yes or no) in which they start out when Crux begins. I set the defaults to the way I felt was best, but you may think differently! If you find yourself always changing one or more of the toggles each time you play, you might want to set them on the DOS command line instead. Any toggle can be flipped to the opposite of its default (Fast Mode = "Yes", for example) by keying the toggle's letter following the program name (MLCRUX) when you start up the game. So, if you wanted to set "Round Prompt" to No, and Fast Mode to "Yes" (the opposites of their defaults), at DOS you would key: "MLCRUX R F" ...without the quotes, followed by the Return key. Be careful that you leave a space between MLCRUX and the toggle(s), or DOS won't recognize what you are trying to do. This allows you to tailor the game a little to your taste, and if you put this statement into a DOS batch file or menu processor, it will save you from setting these toggles each time you start the game. Toggles only valid from the command line: B (Black And White mode) ?????? If you are running a composite monitor on a color graphics card, and the colors in MLCrux are hard to discern, keying "MLCRUX B" at the DOS prompt will make MLCrux run in Black And White Mode. Note that, since Crux is a color-oriented game, the Black and White mode makes it more difficult to play. Defaults to "Yes" if Monochrome adapter detected, "No" otherwise. M (Mouse) If you have your mouse driver installed, but do not want to use the mouse during MLCrux, keying "MLCRUX M" at the DOS prompt will cause MLCrux to ignore the mouse. If you run the program without this parameter, you can still use the keyboard. Using this parameter simply keeps the mouse cursor from being displayed. If the mouse driver is not installed, this parameter has no effect. Defaults to "Yes" if mouse driver detected, "No" otherwise. T (Top Ten Scores) This is different than the "T" command available during game play. It specifies whether a Top Ten Scores file should be saved, and is useful if you are running the game from a write- protected disk. Defaults to "Yes". MISCELLANEOUS THE PC OPPONENT The optional computerized opponent will play if you answer "Yes" to the question "Play against the PC?". The PC opponent's strategy isn't a very good one. It merely looks at all of the pieces in its hand, and tries them in every open space in the board, in all four rotations. It then plays the piece which gives it the highest score. It does NOT try to play a piece in such a way as to maximize its next play. This is the same strategy the computer uses when you select a hint, by the way. In future versions of the game, I might make the PC opponent smarter, so beat it now, while you can! DIFFERENCE BETWEEN VERSIONS VERSION 0.1 - 01/01/91 Not even a beta version, played only by author. VERSION 0.2 - 07/07/91, VERSION 0.4 - 12/06/91 Still incomplete, released to pre-beta tester. Still incomplete, released to brave pre-beta tester. VERSION 1.0 - 12/16/91 Initial release SHARING THE GAME WITH OTHERS Crux is shareware. You can freely give copies of it to others, provided that both files (MLCRUX.EXE and MLCRUX.DOC) are included, unaltered. Most Shareware requires a donation for continued use. Crux is a little different in that registrations/donations are encouraged and appreciated, but not required (see "Feedback" below). You are also encouraged to upload it to any bulletin boards which allow the uploading of games. For consistency's sake, please upload the file with the file name MLCRUX10.ZIP (or .ARC, etc). This indicates the version number (1.0), and will distinguish it from any future versions I may produce. ACKNOWLEDGMENTS Thanks to Austin Mereno for being my beta guinea-pig. Thanks to Ed Tittel and Bob LeVitus for including some of my earlier games in their "Stupid PC Tricks" and "Phenomenal PC Games" books. Thanks to all those folks who wrote nice letters and left great BBS messages in response to my other games. A tip o' the hat as always to the officers and members of MicroLink PCUG for the encouragement and support they always give my PC endeavors. The Tom Swan, Ben Ezzell and Jeff Duntemann mentioned in the dedication are writers reponsible for a large body of books and articles on (among other things) Turbo Pascal. These gents have been an enormous help to me and every other Turbo Pascal programmer I know. Anyone interested in learning the language would do well to check into their works. Thanks to Eagle Performance Software, whose Shareware product "QWIK" allows for some blazingly fast screenwrites in Turbo Pascal and Turbo C. Programmers interested in QWIK should contact Eagle at: Eagle Performance Software Or Call Jim LeMay at: TP products (817) 735-4833 P.O. Box 122237 Fort Worth, TX 76121-2237 ALSO BY THE AUTHOR MicroLink Yaht - The popular dice game MicroLink Shut The Box - The traditional board game MicroLink Otra - A memory game in the spirit of "Simon" MicroLink Loyd - The "15" puzzle, in competitive game form MicroLink Push Your Luck - A simple, fast-paced dice game FEEDBACK I would appreciate any comments, complaints, or wish lists of features you'd like to see! And, if you have any favorite old games you'd like to see programmed, I'm always looking for another which would interest me! Also, if you like the game enough (and can afford) to send a small ($5) donation, I won't argue. And my wife will understand my long nights at the PC a little better! Either way: Enjoy the game, and give copies of it to all your friends. And enemies. Strangers on the street... I can be contacted by mail at: Bob Lancaster / P.O. Box 5612 / Hacienda Heights, CA 91745 Or by modem at: MicroLink PCUG BBS (AKA So. Cal Builder's Board) 818/961-7903 - 24hrs/365 days - 300/1200/2400/9600 Please include the version number of Crux in correspondence. Those interested in finding out more about MicroLink can contact the board listed above, or by mail: MicroLink PCUG Headquarters 15865-B E. Gale Ave. Box 1003 Hacienda Heights, CA 91745 Tell them Crux sent you!