AreChaosEffectsBetweenBCAndDEActive::
; input:
; bc: start index
; de: end index
; a: type
; return result in the flagarray wChaosEffectRangeFlagArray (40 flags)
	push hl
	call GetChaosEffectListPointer
.loop
; check for terminator
	ld a, [hli]
	or [hl]
	jr z, .done
; compare bc and [hl]
	ld a, c
	sub [hl]
	dec hl
	ld a, b
	sbc [hl]
; if bc > [hl], try again
	jr c, .notInRange
; compare de and [hl]
	inc hl
	ld a, e
	sub [hl]
	dec hl
	ld a, d
	sbc [hl]
; if equal, we're in the range
	jr z, .inRange
; else, if we're greater, we're not in the range
	jr nc, .notInRange
.inRange
	push hl
	push bc
	inc hl
; read the lower byte of the chaos effect
	ld a, [hl]
; a - c to get difference
; since the maximum difference is only 40 bytes anyway an 8-bit comparison shouldn't affect anything
	sub c
	ld c, a
; flag action predef
	ld hl, wChaosEffectRangeFlagArray
	ld b, FLAG_SET
	predef FlagActionPredef
	pop bc
	pop hl
.notInRange
	inc hl
	inc hl
	jr .loop
.done
	pop hl
	ret