Example BINGO.PRT
; BINGO
;
; Program for Proteus
;
; (C) 1998-2004 Simone Zanella Productions
;
; Random drawing to console of numbers from 1 to 90 (no re-insert).
; Demonstrates the usage of queues and arrays;
; default input and output are ignored.

;!proteus -z

FUNCTION Extract(limit, numbers, extlist)

  ; Draw a random number
  rn = INC(RANDOM(limit))
  ENQUEUE(extlist, VECGET(numbers, rn))
  VECDEL(numbers, rn, 1)
RETURN DEC(limit)

; Build the list of numbers to extract (1-90)
Numbers = VECNEW(90)
ExtList = QUEUENEW()
FOR NumExt = 1 TO 90
  VECSET(Numbers, NumExt, NumExt)
NEXT

Limit = 90
; Draw each number
WHILE Limit
  Limit = Extract(Limit, Numbers, ExtList)
LOOP

; Print the list of numbers
FOR NumExt = 1 TO 90
  CONSOLELN "Number " PFORMAT("2d", NumExt) ": " \
            PFORMAT("2d", DEQUEUE(ExtList))
NEXT
ABORT 0
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