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International Bridge Contractors Documentation Page 1 ------------------------------------------------------------------------------ I N T E R N A T I O N A L B R I D G E C O N T R A C T O R S 1984 Greystone Software Release Date: May 26, 1985 _ _ _ _ /|\=========+=========/|\=========+=========/|\=========+=========/|\ / | \ | / | \ | / | \ | / | \ / | \ | / | \ | / | \ | / | \ /---+---\------+------/---+---\------+------/---+---\------+------/---+---\ /____|____\_____|_____/____|____\_____|_____/____|____\_____|_____/____|____\ ```````````\_____________________________________________________/''''''''''' ````````````\ |=| |=| /'''''''''''' `````````````\ |=| |=| /''''''''''''' ``````````````\ |=| |=| /'''''''''''''' ```````````````\~^^^~~~~~~~^~~~~~~~~^^^^~~~~~~~^~~~~~~~~~^~~~/''''''''''''''' ```````````````/ ^^^ ^^^^^^ ^^ ^^^^^ ^ ^^^^ \ '''''''''''''' International Bridge Contractors is a simulation game for the IBM-PC with BASIC or BASICA. I first saw this game in 1980 in SoftSide magazine. I entered the program into my Radio Shack TRS-80 Model I computer. I didn't find the game that much fun at first, but then one day I brought my computer to the local college to show my friends how it worked. When four of us decided to play this game, it became an addiction. Every week for a year or so, I would bring my computer to the college, and find three other eager players and we'd make a night of it. This lasted until I had to sell the Model I for financial reasons. I later bought a Commodore Vic-20, but even with expanded memory, the 22-column screen was too much of a handicap to translate the program. A while later, however, I got a Commodore-64 and started the project. The 40-column screen was difficult to adjust to (the Radio Shack had a 64-column screen), and I had to write a 'PRINT USING' type of routine, but it was done in a week or so. Unfortunately, I belonged to no user's groups, nor had I a modem. Therefore, very few people have a copy of this program. I've since sold both Commodore computers, but I still have a copy or two on disk if anyone's interested. I now own an IBM-PC and decided to translate the program to IBM Basic. With respect to the origional author, I've kept the game basically the same with a few enhancements. Just a note concerning the origional version: When I first wrote the Commodore-64 version, I wrote SoftSide several times in good faith, re- qesting permission to distribute the software as public domain to friends, or to be submitted for evaluation to be printed in their magazine. I never received any response. Softside has since apparently gone out of business. Being a professional programmer, I do not wish to make avail- able copy-righted software. However, since it seems I shall not be able to contact SoftSide, I am offering my version to the public domain. International Bridge Contractors Documentation Page 2 ------------------------------------------------------------------------------ International Bridge Contractors is a simulation for one to four players. It is based upon a scenario where players start out as Office Managers with $40,000,000 in cash (unfortunately, that is not nearly enought to win). There are up to six phases to each player's turn: Phase I - Company Status Display Phase II - Company Purchases Display Phase III - Secretary's Report Phase IV - Research & Development Status (Only if R & D investment is made) Phase V - Bridge Specifications Display Phase VI - Contract Bidding Phase The object of the game is to invest or spend your money on work crews, construction materials, and R & D, and make bridge contracts by bidding the correct amounts, thereby increasing your cash. As your cash increases, you will be periodically promoted until you've completed a turn with at least $500,000,000 in cash. When that is done, you are elected the chair- man (or chair-person) of the board, and the game is won. However, random events (or bad bidding) may cause you to go in the hole. Be careful to not let this happen, because if your cash is less than zero, you have a good chance of being declared bankrupt, and going out of the game. Note that you will be charged 25% interest on your cash reserve for each turn in the hole. Phase I - Company Status Display The first phase is the company status display. During this phase, no input is required by the player. This is the screen where you will see if you've been promoted based upon your cash reserve. The six bridges are listed with their corres- ponding numbers-built. They are listed in their origional cost-per-foot order from least expensive to most expensive. Make note that usually the more expensive bridges will mean bigger costs, hence you are capable of making larger bids, and therefore make larger profits. Also displayed on this screen are your assets: work crews, R & D investments, materials, and cash. Again, keep your eye on the cash amount - if it goes below zero, you may go bankrupt. Pressing <Return> brings you to the next phase. Phase II - Company Purchases Display The second phase is the company purchases display. This is where you hire work crews, buy materials, and/or invest in R & D. The price of the above transactions are listed with their selection numbers. Below that, your assets are displayed much like they were in the first phase (this was not in the origional version). You are prompted to enter the your purchase selection. The default selection is to end the purchases phase, since you often will not wish to purchase anything (or may have no money to spare). As you select to purchase something, your cash is decremented by the corresponding amount, and your other assets are increased - as can be seen on the assets display. International Bridge Contractors Documentation Page 3 ------------------------------------------------------------------------------ First-time users will probably not know how much to buy and of what. There are no hard rules on how to win this game, but I will try to provide some purchasing guide-lines (among my friends, I hold the record for the least number of turns to win the game!). The number of work crews you will require will depend upon the type and size of bridge you are later given the opportunity to bid on. Small bridges such as a 500-foot Pontoon may only require 50 or so work crews. On the other hand, larger bridges, such as a 2000-foot Suspension may require over 300 work crews. I've never needed more than 400 work crews for any bridge. You might want to purchase about 100 work crews your first turn and buy more later as cash permits. The amount of materials you will need also depends on the type and size of bridges you are offered to bid on. Most bridges will only require a few million dollars worth of materials to build, but larger bridges may need $30,000,000 or more to build. Note that if you do not have enough work crews or materials for your client's bridge, you will not be allowed to bid on it. $10,000,000 worth of materials is a good place to start on your first turn, and again you should increase that amount as your cash increases. Research & Development investments are entirely optional, but they are capable of many benefits. If you invest in R & D, your building costs can go down for bridges. These building cost decreases are transparent to your client, so you can bid the same as you would have before the costs for that bridge went down and make more profit. The draw-back is that R & D invest- ments are expensive ($5,000,000 each), and you may not get the break-through you were hoping for. I usually don't invest in R & D until I have enough money to not have to worry about going bankrupt. When you make a selection for purchases, note that that selection becomes the new selection default. This is handy for repeated purchases. For instance, work crews are purchased five at a time, so it requires 20 pur- chases to aquire 100 work crews. All you need do is select 2 (and <Return>) the first time, and then press <Return> 19 more times. When you are done with all your purchases, option four continues with the next phase. Phase III - Secretary's Report The third phase is the secretary's report. During this phase, nearly anything can happen. It's better to just see what happens on the screen than to try to describe all the possibilities. In the origional game, there were about 25 or 30 events that could happen. They all increased or decreased your cash reserve, or left it alone. I have brought the total possibilities to over 65, and now the events can also affect your number of work crews, your materials, or your R & D investment as well. It makes the game a little more inter- esting. A word of caution: several castatrophies can happen in this phase as well as revelations. You might gain $100,000,000 or lose the same. You may also lose all your work crews, materials, or R & D, so it does not pay to hoard money in these assets. You can also gain work crews, materials, or R & D investments in this phase (hopefully just when you need them). International Bridge Contractors Documentation Page 4 ------------------------------------------------------------------------------ As your cash reserve increases to several hundred million, you tend not to worry about some of the more trivial events. The computer will beep if there are assets lost in this phase to bring your attention to the amount. After viewing the secretary report, pressing <Return> will continue with the next phase Phase IV - Research & Development Status The fourth phase is the research and development status display. This phase will only be active if the player has an investment in R & D. The probability that a break-through will occur depends on how much the player has invested. If a break-through has been reached, the cost of one of the six bridges will go down. The bridge type, its old cost, and its new cost will be displayed. The R & D cost for this break-through will also be displayed. This is a new feature to this simulation. Also, under the origional version of this game, your R & D investment would decrease by a random multiple of $5,000,000. In this version, your investment decreases by half of a random multiple of $1,000,000. I think this better encourages players to invest in R & D. After viewing this screen, pressing <Return> will continue with the next phase. Phase V - Bridge Specifications Display The fifth phase is the bridge specifications display. This screen shows the six bridges, their traffic types, their costs per 100 feet, and their safe and maximum distances. If you have been investing in R & D and have had some cost break-throughs, here is where you can keep track of them. By knowing the cost of your bridges, as well as their origional costs, you can make better bids in the next phase. Your assets are also listed on the bottom part of the screen for the last time before the bidding phase. After viewing this screen, pressing <Return> will bring you to the final phase of your turn. Phase VI - Contract Bidding Phase The sixth or final phase of a player's turn is the contract bidding phase. A bridge will be selected at random, with a controlled-random length. Your cost for building the bridge (materials, labor, etc.) will be displayed. If you do not have enough work crews or materials to build this bridge, you will be notified so, and your turn ends. If you can make a bid, you will be prompted for your bid at this time. Enter a number of at least the cost, but less than one billion. Scientific number notation is allowed, but no commas or dollar signs. Scientific notation is a short-hand for large numbers. For example, $6,000,000 can be entered as '6000000' or as '6E6'. The 'E' means exponent (more or less), and can be thought of as moving the decimal point the number following the 'E' places to the right, filling it in with zeros. Another example would '75E6' or '7.5E7' for $75,000,000. International Bridge Contractors Documentation Page 5 ------------------------------------------------------------------------------ A controlled-random maximum allowed bid is created by the computer for the contract. If your bid is less than or equal to that hidden amount, you get the bid, and your profit is displayed. Your materials will be decreased by a percentage of the cost of the bridge, as you will see by examining your materials assets on your next turn. If you bid too high, you obviously will not get the contract. Again, there are no hard rules or guidelines on how much to bid on these bridge contracts, since the maximum allowed bid is a controlled random num- ber. However, you may be surprised by how much you can get away with on certain bridge contracts on occaision (or how little you can't). It is possible to make as much as $150,000,000 profit on a $15,000,000 suspension bridge, if its costs have gone way down, for example. After your bid (if you were allowed to make one), pressing <Return> ends your turn, and the next player begins his turn, or you begin your next turn if you are playing alone. I hope you enjoy International Bridge Contractors and the few enhance- ments I've added. I've tried to keep a sense of humor about some of the secretary's reports and hope I've offended no-one. I even have 45 smokers die of lung cancer in one - and I've been referred to as a 'chain-smoker'. Feel free to modify the program if you wish. I've tried to keep the program structured and easy to modify. You may be interested in the simple data input routine located at 40200. The origional IBC had very little error trapping, and it was easy to accidentaly cause it to crash. You may also be interested in the method I used to mix edit-patterned numbers with text for centering on the screen. The easiest part to modify is the section of the secretary's reports DATA statements. Add as many as you want here, but remember these rules: 1) Remember to change the number of selections in line 30010 to be reflect the new number of possible events (add the number of events you are adding). 2) Each event requires two text parameters for up to two 80-character text lines. They also require a number, 1-4, to determine which asset to increment/decrement: 1 = Work crews 2 = R & D investment 3 = Materials 4 = Cash reserve Finally, each event needs a dollar amount to be incremented/decre- mented to the asset. Increases should be a positive number, and decreases should be negative. 3) Keep in mind that your two text lines will be centered on the screen. Have fun and drop me a line if you have any comments. Bill Hileman (408) 986-9872 (work) 2262 Lucretia Ave., Apt. 3 (408) 971-8416 (home) San Jose, CA 95122