Routines
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38383: Count Suits
Used by the routine at CountDuplicates.
Input
IX Pointer to either the player or girls hand
Output
A 0 for "no flush", 1 for "flush"
CountSuits 38383 PUSH IX Load the hand pointer into DE (using the stack).
38385 POP DE
Only having all four suits present is meaningful.
38386 LD B,4 Set a counter in B for the number of cards left to check.
38388 LD A,(DE) Fetch the primary card for comparison.
38389 AND %11110000 Store the suit value in H.
38391 LD H,A
Loop through the remaining 4 cards.
CountSuits_Loop 38392 INC DE Move the pointer to the next card.
38393 LD A,(DE) Fetch the card.
38394 AND %11110000 Store the suit value in A.
38396 CP H Jump to NotAFlush if the suits of the two cards differ.
38397 JR NZ,NotAFlush
38399 DJNZ CountSuits_Loop Decrease the suit counter by one and loop back to CountSuits_Loop until counter is zero.
All four suits are present in the hand! We have a flush.
38401 LD A,1 A=1.
WriteFlushFlag 38403 LD (38221),A Write A to *FlushFlag.
38406 JP CalculateHand Jump to CalculateHand.
This hand doesn't contain a flush.
NotAFlush 38409 XOR A A=0.
38410 JR WriteFlushFlag Jump to WriteFlushFlag.
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