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1990-11-18
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the T, Version 1.2 Beta 5
Copyright 1988, 1990
by Software Solutions
All Rights Reserved
IMPORTANT
You may be familiar with an earlier version of this program, called 'Tetrix'.
Because Tetris is now trademarked, and Tetrix sounds a lot like Tetris,
the name of the program has been changed, to 'the T'.
GENERAL
The T's playingfield consists of a pit 20 blocks deep and 10 blocks wide.
During play, objects fall from the top of the pit to the bottom. Each
object is one of seven shapes, consisting of 4 contiguous blocks. As this
object falls, it can be controlled by the player. It can be moved left,
moved right, rotated (counter-clockwise), or dropped to the bottom of the
pit. When an entire row of the pit is filled with blocks, then that row is
removed, and all other blocks above it fall one row. When an object
collides with the bottom of the pit, or with another object by downward
motion, the object stops falling.
The object of the game is to keep the pit from filling up. By moving and
rotating the falling objects, the player attempts to fill in rows, which
keeps the pit from being filled. For every 10 rows that are removed, the
play level increases. As the level increases, the pieces fall faster and
faster.
SCORING
You score is based on the level you are playing, and the speed with which
each objects reaches bottom. When the object is in the desired position
and orientation, you may drop the piece into place. This will score you
more points than waiting for the piece to drop all the way to the bottom.
You also score points for removing a row of blocks. The more rows you remove
with a single object the more points you get. That is, removing 2 rows with
one object is worth more than removing two rows with two objects. Thus,
in some ways it is more advantageous to let your pit fill up, but this also
increases the liklihood of a mistake. This is also affected by your playing
level.
STARTING the T
If there is a logical device "theT:", the T will look there for the
files it needs. If there is no such device, it will attempt to use its
currrent directory. The two files required are the TitleScreen, and
the ScoreBoard. The ScoreBoard will be created if it does not exist.
The T can be invoked from the CLI or from the WorkBench. To invoke it
from the CLI, simply type "theT", followed by the <RETURN> key. To run
it from the WorkBench, double-click on the icon labeled "theT". There are
several options that can be controlled from the command-line, or from the
WorkBench ToolType. These are explained in the OPTIONS section.
FOR EACH GAME...
For each game, you can adjust the starting level (which will affect the
speed objects fall, and the points scored for each object), and the
difficulty. You can also elect to play a brand new game, or you can play
the same game you just finished playing.
Starting Level - The starting level can be any value from 0 (easy) to 10
(very difficult). If you wish to change the starting level, click inside
the box, press BackSpace, and type the level you wish to start at.
Difficulty - The difficulty level controls the starting playfield. It's
value can be from 0 to 15. If you enter a value other than 0, then that
many rows (starting at the bottom) may have some blocks randomly placed.
This in effect, shortens the depth of the pit at the start of the game. If
you wish to change the starting level, click inside the box, press
BackSpace, and type the level you wish to start at.
Starting The Game - There are two boxes labeled "Same Game" and "New Game".
If you click in the New Game box, then a new game is started. If you
click in the Same Game box, then the same random sequence used in the
previous game is re-used for this one. This is handy if you and a friend
want to play the same game and see who scores better. If you select the
Same Game box for your first game, you'll be able to get the same game the
next time you invoke the T- this essentially takes all variation out.
Note: if you select Same Game, but you have a different difficulty level
selected, the game will not be the same. Pressing the <RETURN> key at
this point will begin a "New Game".
PLAYING THE GAME...
Moving Objects - Objects are dropped from the top of the pit. The player
uses keyboard commands to control the falling object.
on the numeric keypad-
4: Move Left
5: Rotate Piece
6: Move Right
2: Increase Level
Space: Drop Piece
When you press the spacebar to drop the piece, the object falls at high
speed as far as it can. Once an object can fall no further, a new one is
released.
Pausing Play - Press the P key to pause the game. Any keystroke will
resume play. The game can also be paused by clicking outside of the pit.
When you click inside the pit, the game will be resumed. Note: if the
right mouse button is depressed to select a menu-item, the games is paused
until the button is released.
Stopping Play - Pressing the ESCape key or clicking on the pit's CLOSE
gadget will end the T.
OPTIONS
There are three options that can be switched while playing the game. They
can also be preset during program invocation. SOUND can be turned on or
off. The only sound is a simple beep when a row is removed. The
Distribution of dropped objects can be shown, including the total number of
objects. Also, the player can preview the next piece to be dropped.
In addition to the runtime options, when the program is started, options
can be set for default Starting Level, default Starting Difficulty, default
Screen, and whether to show the TitleScreen.
When the T is invoked from the CLI, options are specified on the command
line. When invoked from the WorkBench, options are set in the INFO section
of the icon.
SCREEN:
Normally, the T uses its own 8-color screen. It can however be forced to
use the WorkBench screen. To do this, either specify "-wb" on the CLI
command, or "WORKBENCH=" in the ToolTypes entry.
Under AmigaDos 2.0, the T will use a Public Screen if you so desire. To
do this, either specify "-p" on the CLI command or "PUBSCREEN=" in the
ToolTypes entry. This will cause the T to use the default public screen.
If you wish to specify a public screen by name, you may specify "-pname",
or "PUBSCREEN=name" to refer to a specific public screen. NOTE: the
screen MUST be a HIRES screen. If it is not, the T will not start.
If you have AmigaDOS 2.0, the public screen option is prefered over using
the workbench. If you have an earlier version of AmigaDOS, this option
is ignored.
TITLESCREEN:
When the 8-color screen is used, a neat animated TitleScreen is displayed.
If you get tired of this, you can prevent it by specifying "-t" on the CLI
command, or "NOTITLE=" in the ToolTypes entry.
SOUND:
Normally, sound is enabled. It can be disabled with the "-s" option on the
CLI command, or the "SILENT=" options in the ToolTypes entry.
PREVIEW:
Specify "-n" or "NEXT=" to have the Show Next Piece option enabled.
DISTRIBUTION:
Specify "-d" or "DISTRIBUTION=" to have the Show Distribution option
enabled.
STARTING VALUES:
When invoked from the CLI, default values for Starting Level and Starting
Difficulty can be set by specifying -l# and -d#, where # is the value to
set them at initially. (Example: theT -l3 -d12) To set them from the
WorkBench, the ToolTypes LEVEL=# and DIFFICULTY=# must be set.
A NOTE FROM THE AUTHOR.
As I am sure you know, the Amiga computer is the best buy for the money.
But, no hardware is any better than its software. In writing the T, I
have attempted to follow all the rules for writing friendly Amiga
software. I have tried to allow for different operating environments
(such as interlace workbench screens). If I missed something, or if you
think I have done something poorly in this respect, PLEASE let me know.
David Corbin.
President
Enjoy!