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Deal cards for FreeCell: Difference between revisions
m
→{{header|REXX}}: used better variable names (more idiomatic).
m (→{{header|REXX}}: added wording to the REXX section header.) |
m (→{{header|REXX}}: used better variable names (more idiomatic).) |
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<lang rexx>/*REXX program deals cards for a specific FreeCell solitaire card game (0 ──► 32767).*/
numeric digits 15 /*ensure enough digits for the random #*/
parse arg
if
if
state=
if 8=='f8'x then suit= "cdhs" /*EBCDIC? Then use letters for suits.*/
else suit= "♣♦♥♠" /* ASCII? " " symbols " " */
rank= 'A23456789tJQK' /*t in the rank represents a ten (10).*/
say center('tableau for FreeCell game'
say /* [↓] @ is an array of all 52 cards.*/
#=-1; do r=1 for length(rank) /*build the deck first by the rank. */
do s=1 for length(suit); #=#+1 /* " " " secondly " " suit. */
@.#=substr(rank, r,1)substr(suit, s,1)
end /*s*/ /* [↑] first card is number 0 (zero).*/
end /*r*/ /* [↑] build deck per FreeCell rules. */
$=
do cards=51 by -1 for 52 /* [↓] deal the cards for the tableau.*/
?=rand() // (cards+1) /*get next rand#; card # is remainder.*/
$=$ @.?; @.?=@.cards /*swap two cards: use random and last.*/
if words($)==
end
end /*cards*/ /*normally, 8 cards are dealt to a row.*/
/* [↓] residual cards may exist. */
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