Block X

                              BLOCK-X
                              =======


BLOCK-X is a game consisting of 200 screens of logic puzzles. The
game is divided into 20 rounds of 10 screens. Screens from each
group appear in random order, and any particular screen may
appear more than once in a round, which means that it is not
necessary to complete every individual screen in order to
complete a round.

Each screen is divided into 2 halves and the basic aim is to
manipulate the blocks on the left-hand side so that they match
the pattern of blocks on the right-hand side. To alter a block,
use the joystick to move the 'arrow' to the desired block and
press fire. The order that blocks change is shown in the central
strip of the screen.

The block under the arrow moves TWO down the scale, and any
surrounding blocks (left, right, above, below) move ONE down the
scale:
e.g if a blue diamond-shaped block is selected then it will
change to a yellow disc and any surrounding blocks will move
down one in the order (a red square block will change to a blue
diamond etc).

Blocks moving 'off the scale' disappear and any blocks above will
fall down to fill the 'hole'.

There is a time limit of 5 minutes per round. If a mistake is
made then the move may be retracted (BACKSPACE), but only 2
'retakes' are permitted per round. To abort a screen, use the
UNDO key; again 2 aborts are permitted per round (a third will
end the game) but an extra screen must be completed for each
abort.

At the end of each game, provided you have completed at least
the first round, the current password is displayed on the title
screen. The game will automatically restart at the level reached
previously, but on re-loading the game from disk, enter the
current password to continue the game from that round. (If you
make a typing error, keep typing until the input area is cleared
and re-enter the password - no need to press RETURN).

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This program may be freely copied and distributed.

Ethel Jones, author.

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BLOCK-X was written in 2 weeks (July 1991) in 68000 assembler
using Devpac2.