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- Kentris
- by Kenneth Silverman
- User's Manual
-
- History
-
- When I saw Tetris for the first time, it was a shareware
- version on an old XT. The game was very new to me, and it didn't
- seem interesting. Then all of a sudden, Tetris games became
- popular, taking on every shape and form. I saw many versions of
- the game and decided to combine the best aspects of each game
- with some of my original ideas to make one complete and exciting
- Tetris game.
- I first created Kentris as a challenging, but fun project, just
- to see if I could create a game which was fun to program and play. I
- made it around April, 1990 in Microsoft QuickBasic. This game
- featured interesting background screens, it had a top 10 score list,
- and it was incompatible with most computers because it was always
- set to the same speed. Later, I made a 3-player head to head to
- head Tetris game in Basic to go with it, but it was very difficult to
- play because three people on one keyboard did not work out too
- well.
- After that, I made some minor revisions to the Basic version
- of Kentris, but no one cared for it. Then, my brother Alan, failed
- miserably, when he tried to convert this to C in order to make this
- version of Kentris faster and better. So Kentris stayed on the back
- burner for almost one half of a year.
- When Alan went off to college at Brown University, he
- played some of the one and three version Kentris games with his
- friends, who each were used to playing their own version of the
- game. They each said they would like Kentris better if it did this, or
- if Kentris did that. Alan gave me a call, and he told me that there
- was a demand for one good Kentris game which contains all the
- features suggested by the crowd of people. The main feature being
- a two player head to head Tetris game where the two players
- actually interact with each other. Over the weekend of continuous
- programming, I had a new version (done in Microsoft C for faster
- running), much better than the previous one, which I sent to my
- brother's group by modem. Of course, he called me back very soon
- with a long list of bugs and improvements for this new Kentris 2.0.
- This all happened in February 1991. First I added a rotating
- introduction screen. Then I put in digitized sound even though it
- could barely be heard through the PC speaker. I also made the 20
- player information chart with passwords, along with the setup
- screen. Kentris was being constantly tested with a new version
- coming out virtually every week when I came out with my new ideas
- along with the ideas coming to me from over the phone.
- By the time this version came out, I had tested Kentris on
- every type of PC imagineable, even over a network. This version
- includes many features never seen before on any type of tetris
- game:
- - 3D filled-polygon rotation introduction screen
- - works with CGA, EGA, and VGA graphics
- - use of hardware video registers for smooth panning and
- other special effects
- - extra sound support (SoundBlaster, Covox VMKEYII, MIDI,
- Old Pro Audio Spectrum, PC speaker voice synthesis using
- special Kensound method, Advanced Systems sound option)
- - full time background music
- ========================================================================
-
- Hardware Requirements
-
- - 286, 386, 486 or related microprocessor
- - CGA, EGA, VGA, or SuperVGA graphics
- - 384K of free memory
- - hard drive recommended but not required
- - for a 2-player game, you need a number keypad on your
- keyboard
- =====================================================================
-
- Installation
- HARD DRIVE SYSTEM:
- Put your disk into the drive and type:
- A:
- KENSTALL drive path
- If the drive of path doesn't exist, the default directory will be
- C:\KENTRIS
- To run Kentris, go into your hard drive and type:
- CD drive path
- KENTRIS
-
- FLOPPY SYSTEM:
- I do not suggest running Kentris off a floppy disk because it
- would cause a considerable slowdown. If you must play off a floppy
- disk, make sure to back up your original Kentris disk. Type this to
- play off of your new backup copy of Kentris:
- A:
- KENTRIS
- ====================================================================
-
- Now the Kentris files should be fully loaded, but they may
- not be configured properly for your system. First run Kentris, and
- you should see the Kentris logo rotating in either CGA or 256K-EGA
- graphics. Kentris supports VGA graphics during the game, and EGA
- graphics for the title screen for better rotation animation. Next
- press the SPACEBAR to setup Kentris for your computer. Your
- screen should now look like this.
-
- +--------------------------------------+
- | Kentris Options: |
- +-------------------------------+------+
- |1. Same pieces to both sides | |
- |2. Penalize other players | |
- |3. Speech speed | |
- |4. Speech (none, some, all) | |
- |5. Competition/Practice mode | |
- |6. PC/Covox VM2/Sound Blaster | |
- |7. Computer controlled sides | |
- |8. Panning (off, mid, side) | |
- |9. When to pan (drop, row) | |
- |10. Music (PC/Midi/off) | |
- +-------------------------------+-------
-
- Here is a brief explanation of what each option does:
- 1. Same Tetris pieces to both sides for
- a fair game.
- 2. When a player get 2 or more rows at
- the same time, the other player
- will receive that number of rows of
- junk on the bottom of their Tetris
- board.
- 3. Speed in which the speech, not
- background music, is played out.
- 4. Tells how much speech will be allowed
- on your speaker. Disable speech if
- it is too slow or too hard to hear.
- 5. Tells the computer whether to keep
- track of all games played with a
- chart (competition mode), or to go
- directly to the Tetris game
- (practice mode).
- 6. Sound source for speech only.
- 7. For practice mode only, this tells
- the computer which sides the
- computer will control.
- 8. This controls how the computer pans.
- (Panning is when the whole screen
- moves to the left or right) Choose
- either "off" to turn panning off,
- "mid" if you want the player who is
- doing better to remain closer to
- the middle of the screen, or choose
- "side" (vice versa of "mid".
- 9. This tells the computer when it
- should pan. If the continuous
- panning with "drop" bothers you,
- then choose "row" so the computer
- will update to screen position only
- after someone gets a row.
- 10. Sound source for background music
- only. Warning: MIDI may not work
- with some synthesizers or MIDI
- cards.
- ======================================================================
-
- How to play Kentris
-
- From the introduction screen, you can press F1 for a very
- brief summary of what this document says. Kentris has the same
- rules as all other Tetris games, so I won't bother to tell you the
- rules. However, I have decided to put it in here because it explains
- the controls well.
-
- +---------------------+
- | Kentris Help Screen |
- +---------------------------+---------------------+----------------------------+
- | |
- | Kentris was made to be the most exciting competition tetris game available|
- | for PC's. I started to write Kentris in February '91 for a group of freshmen|
- | at Brown University and many of the ideas came from them. This product may |
- | not be copied or modified without the written permission of Ken Silverman. |
- | +------------------------+ |
- | Left Player: | Kentris Game Controls: | Right Player: |
- | +-------------+-----------+------------+------------+ |
- | | +---+ +---+ +---+ | +---+ +---+ +---+ | |
- | | | J | | K | | L | | | 4 | | 5 | | 6 | | |
- | | +---+ +---+ +---+ | +---+ +---+ +---+ | |
- | | left rotate right | left rotate right | |
- | | +-------+ | +---+ | |
- | | | Space | | | 0 | | |
- | | +-------+ | +---+ | |
- | | drop fast | drop fast | |
- | +-------------------------+-------------------------+ |
- | If you have any problems, questions, or ideas about Kentris, call or write |
- | Kenneth Silverman, 50 Cindyann Drive, E. Greenwich, RI 02818 |
- | Home phone: (401) 884-6723 |
- +------------------------------------------------------------------------------+
-
- About the author/business:
- I finished the game when I was 15, about a year and a half ago, and have
- been involved with many projects since then. Right now I am putting the
- final touches on my game Ken's Labyrinth.
-
- ┌──────────────────────────────────────────────────────────────────────────────┐
- │ A great new game produced by the same programmer as Kentris will be coming│
- │ out soon, called Ken's Labyrinth. I have made it to become the fastest three│
- │ dimentional scrolling game that I have seen available for PC's. On a 486-50 │
- │ the screen updates on average 40 times a second! It also has over 20 great │
- │ new Adlib songs and Sound Blaster digitized sound, of course. Unlike other │
- │ 3-d scrolling games, Ken's Labyrinth features a high-resolution 360*240 │
- │ graphics mode for those who have multi-sync monitors, and it has see-through │
- │ doors and windows so one can look into a room before actually entering it. │
- │ Also, my game has all of its art compressed by LZW compression, saving over │
- │ 500K of disk space, if it was not compressed. For controls, you can either │
- │ use the mouse or define your own keys on the keyboard. REQUIREMENTS: │
- │ │
- │ - Any IBM PC compatible with a VGA display card and VGA monitor. │
- │ - At least 965K of memory, with at least 210K in conventional, and an │
- │ XMS or EMS driver already loaded. │
- │ - Approximately 820K of free hard disk space. │
- └──────────────────────────────────────────────────────────────────────────────┘
-
-
- If you have any problems, questions, or ideas about Kentris,
- you may call or write me at this address and phone number:
-
- Kenneth Silverman
- 50 Cindyann Drive
- East Greenwich, RI 02818
- (401) 884-6723
-
- EMAIL: ams@lems.brown.edu
-