Deal cards for FreeCell: Difference between revisions

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''Free Cell'' is the solitaire card game that Paul Alfille introduced to the PLATO system in 1978. Jim Horne, at Microsoft, changed the name to ''FreeCell'' and reimplemented the game for [[DOS]], then [[Windows]]. This version introduced 32000 numbered deals. AsLater theversions gamehave became1 popular,million Jim Horne disclosed the algorithmdeals, andnumbered other1 implementationsto of1000000. FreeCell(The began[http://www.solitairelaboratory.com/fcfaq.html toFreecell reproduceFAQ] thetells Microsoftthis dealshistory.)
 
As the game became popular, Jim Horne disclosed [http://www.solitairelaboratory.com/mshuffle.txt the algorithm], and other implementations of FreeCell began to reproduce the Microsoft deals. These deals are numbered from 1 to 32000.
 
The algorithm uses this [[linear congruential generator]] from Microsoft C:
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The algorithm follows:
 
# Seed the RNG with athe number from 1 to 1000000. (Some implementations allow numbers outside of thisthe rangedeal.)
# PutCreate allan 52[[array]] cardsof in52 ordercards: Ace of Clubs, Ace of Diamonds, Ace of Hearts, Ace of Spades, 2 of Clubs, 2 of Diamonds, and so on through the ranks: Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King. The array indexes are 0 to 51, with Ace of Clubs at 0, and King of Spades at 51.
# Perform a shuffle ''(MISSING instructions)''
# (Insert algorithm here.)
# Deal all 52 cards, face up, across 8 columns. The first 8 cards go in 8 columns, the next 8 cards go on the first 8 cards, and so on.
 
<pre style="display: inline-block;"> 1 2 3 4 5 6 7 8
Deals can be checked against [http://freecellgamesolutions.com/ FreeCell solutions to 1000000 games]. (Summon a video solution, and it displays the deal.)
9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24
25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48
49 50 51 52</pre>
 
Deals can be checked against [http://freecellgamesolutions.com/ FreeCell solutions to 1000000 games]. (Summon a video solution, and it displays the initial deal.)
[http://www.solitairelaboratory.com/fcfaq.html Freecell FAQ]