;
; dynArea.sh
;
; The handling of the dynamic area itself
;
; © 1994 Straylight
;

;----- Overview -------------------------------------------------------------
;
; Functions provided:
;
;   da_findPage
;   da_addPages
;   da_removePages
;   da_readSize
;   da_describe

; --- da_findPage ---
;
; On entry:	R2 == address of the page
;
; On exit:	R0 == page number
;
; Use:		Finds the page number of the page with the address given.

		IMPORT	da_findPage

; --- da_addPages ---
;
; On entry:	R0 == number of pages to add
;		R12 == workspace address
;
; On exit:	Possible error returned
;
; Use:		Increases the size of the dynamic area by the number of
;		pages given in R0

		IMPORT	da_addPages

; --- da_removePages ---
;
; On entry:	R0 == number of pages to remove
;
; On exit:	--
;
; Use:		Removes the given number of pages from the dynamite
;		area. If the number of pages to remove is greater than
;		the actual number of pages allocated, as many as possible
;		are removed

		IMPORT	da_removePages

; --- da_readSize ---
;
; On entry:	--
;
; On exit:	R0 == size of area
;
; Use:		Returns the size of the sprite area (including the
;		dynamite area).

		IMPORT	da_readSize

; --- da_describe ---
;
; On entry:	--
;
; On exit:	R0 == dynamic area number (3 == sprite area)
;		R1 == size of area
;		R2 == total free in area
;
; Use:		Gives back som information on the dynamite area.

		IMPORT	da_describe

;----- That's all, folks ----------------------------------------------------

		END