Chapter 11.
Plugins
84
Key
Action
Left
Move Left
Right
Move Right
Up
Move Up
Down
Move Down
On
Switch between circle and square
F1
Previous level
F2
Reset level
F3
Next level
Off
Exit the game
11.1.25 Sudoku
Figure 11.22: Sudoku
Sudoku in Rockbox can act as both a plugin and a viewer. When starting Sudoku from
the
Browse Plugins
menu, a random game will be generated automatically, and an
estimate of its difficulty (very easy, easy, medium, hard or fiendish) will be displayed
on the screen. New games can be generated from the
Generate
menu option. When
“playing” an existing Sudoku game file from Rockbox’ file browser the plugin is invoked
as viewer. The selected Sudoku will get loaded and you can start solving it. The sudoku
games need to be stored as text files with the extension
.ss
as single file per game.
You can create and save your own grids under the
New
menu option. Enter the menu
(as described in the key table below) when you have finished and enter the full path to
save to including the
.ss
extension (e.g.
/sudoku/new.ss
).
The scratchpad
When you play Sudoku on paper most people like to mark numbers in cells that are
possible candidates for the cells. This can be done with the scratchpad, shown as separate
column. Change the number under the cursor to the number you want to put on the
scratchpad and press the scratchpad button, the number will then be added. If the
number was already on the scratchpad it will get removed again. The column is stored
seperatly for every cell on the board. The stored values can be displayed inline as small
dots by enabling the
Show Markings
settings.
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