RosettaCodeData/Task/Playing-cards/Vedit-macro-language/playing-cards.vedit
Ingy döt Net b83f433714 tasks a-s
2013-04-10 23:57:08 -07:00

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Text

// Playing Cards, main program
Call("CREATE_DECK")
Call("SHUFFLE_DECK")
#21 = Buf_Switch(Buf_Free) // #21 = players hand, 1st player
#1 = 5; Call("DEAL_CARDS") // deal 5 cards to player 1
#22 = Buf_Switch(Buf_Free) // #22 = players hand, 2nd player
#1 = 5; Call("DEAL_CARDS") // deal 5 cards to player 2
Buf_Switch(#10) BOF // display the deck
Return
///////////////////////////////////////////////////////////////////////////
//
// Create a deck into a new edit buffer. One text line for each card.
//
:CREATE_DECK:
#10 = Buf_Switch(Buf_Free) // Buffer @(#10) = the deck
RS(1, "Diamonds")
RS(2, "Spades")
RS(3, "Hearts")
RS(4, "Clubs")
RS(11, " Jack")
RS(12, "Queen")
RS(13, " King")
RS(14, " Ace")
for (#1=1; #1<5; #1++) {
for (#2=2; #2<15; #2++) {
if (#2 < 11) {
Num_Ins(#2, NOCR) // pip (2 to 10) as numeric
} else {
IT(@(#2)) // pip (11 to 14) as a word
}
IT(" of ")
IT(@(#1)) IN // suit
}
}
Return
///////////////////////////////////////////////////////////////////////////
//
// Shuffle the deck using Fisher-Yates algorithm
//
:SHUFFLE_DECK:
Buf_Switch(#10) // the deck
#90 = Time_Tick // seed for random number generator
#91 = 51 // random numbers in range 0 to 50
for (#1=1; #1<52; #1++) {
Call("RANDOM")
Goto_Line(Return_Value+1)
Block_Copy(#1, #1, LINESET+DELETE)
Reg_Copy(9, 1, DELETE)
Goto_Line(#1)
Reg_Ins(9)
}
Return
//--------------------------------------------------------------
// Generate random numbers in range 0 <= Return_Value < #91
// #90 = Seed (0 to 0x7fffffff)
// #91 = Scaling (0 to 0x10000)
:RANDOM:
#92 = 0x7fffffff / 48271
#93 = 0x7fffffff % 48271
#90 = (48271 * (#90 % #92) - #93 * (#90 / #92)) & 0x7fffffff
Return ((#90 & 0xffff) * #91 / 0x10000)
///////////////////////////////////////////////////////////////////////////
//
// Deal #1 cards: move the cards from deck to current edit buffer
//
:DEAL_CARDS:
#11 = Buf_Num // this buffer (players hand)
Buf_Switch(#10) // the deck
BOF
Reg_Copy(9, #1, DELETE) // pull the first #1 cards from the deck
Buf_Switch(#11) // players hand
Reg_ins(9) // insert the cards here
Return