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2022-08-26
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u
T I T - 4 - T A T
by Lance C. Thomas
TIT-4-TAT (aka TIC TAC CHESS) is a
two-player board game (vs computer or
human) played with Chess pieces. The
board is a 4x4 square. The pieces are
White and Black.
Each player has four pieces of his
own color: a pawn, a rook, a bishop
and a knight. At the start of a game,
the board is empty. White makes the
first play. The players take turns
placing a piece on an empty square, or
moving a piece that is on the board.
The object of play is to get your
pieces in a line; vertically,
horizontally or diagonally.
The pawn(P) moves one square;
vertically or horizontally to an empty
square, or diagonally to capture an
opponent's piece.
The rook(R) moves any distance
along an unobstructed vertical or
horizontal line.
The bishop(B) moves any distance
along an unobstructed diagonal line.
The knight(N) moves from one step
horizonally or vertically and one step
diagonally. The knight's move is not
obstructed by any intervening pieces.
All pieces except the pawn,
capture in the same way as they move.
If an opponent's piece occupies the
square, the move captures the piece,
which is removed from the board. The
square it occupied is taken by its
captor. A captured piece can be placed
on the board the next play.
Don't worry the progam doesn't
allow incorrect moves.
NAVIGATION
----------
The pointer can be moved by a
mouse in port 1, or a joystick in
port 2, or the keyboard cursor keys.
The FIRE button, [SPACE] or [RETURN]
are used as the left mouse button.
The left mouse button or indicated
[KEY] makes a selection. While the
program is "busy", the arrow pointer
will be yellow and program will not
process mouse clicks or key presses.
Note: [STOP] has been disabled.
To select a piece to move, click
on it, it will change color. Then
select a board square and click on it,
the piece will move to that square. To
change the selection, click again on
the piece, then select another. Once a
play is made, it can not be cancelled.
COMMAND BUTTONS
---------------
There are three command buttons on
the game screen; Play, Edit and Quit.
PLAY starts a new game using the
current setup options.
EDIT brings up the setup screen,
and allows you to edit the setup
options. The options can be changed
during play. If you want to start a
new game, you must use the PLAY
button.
QUIT quits TIT-4-TAT. You will be
returned to LOADSTAR or BASIC. If you
return to BASIC, the bottom and the
top of BASIC will be at 5377 (21*256)
and 10240 (40*256), respectively.
Note: the program chains so you can't
restart the program without LOADing
and RUNning "B.T4T".
SETUP
-----
Human. Use this option to control
which players are human. The default
is White.
Level. Use this option to control
the computer's play. For levels 1 and
2, the computer's first move is
random. For levels 2 and 3, the
computer checks a bad move list. The
default is 2.
Pause. Use this option to control
the duration of the built-in pauses.
The default is 1.
The options take effect when you
quit the setup screen
COMMENTARY
----------
Sometimes the computer's can take
a while, so be patient.
If play becomes repetitive, go
ahead and call it a draw. The computer
will not change it's moves. The
computer will not repeat an "XOXOX"
board. You can follow the same rule,
or exploit this as a weakness.
If you want a specific board, set
it up (Human = Both), then set the
color you want to play.
All levels use a rule-of-thumb
"XOX" kernel. This makes the computer
player pretty short sighted,
especially on offense. The kernal is
non-symmetrical. It goes down a ckeck
list, and uses the first move that
meets it's criteria.
At levels 2 and 3, the computer
keeps track of it's bad moves. So by
trial and error, it should be able to
counter a strategy, if you continue to
use it. The maximum number of moves it
can add to the list is 40. These moves
go away when you quit TIT-4-TAT.
CREDITS
-------
To create this program, I used the
following tools: SYSRES(tm) by Don
Lekei from Hands-on Software Inc.; ZIP
BASIC by Rick Nash; ZIP 64 by Tim
George; FONT STUDIO by Anthony Rose;
SPRITE MAGIC by Charles Brannon; STAR
LINKER 1.2 and STAR PACKER 1.2 by Lee
Novak; MR. EDSTAR by Dave Moorman; and
FONTSWAPPER V2 from LOADSTAR.
This program incorporates the
following tools: MR. MOUSE 2.1 and
MOUSE MATE by Lee Novak.