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cc65/asminc/_heap.inc
cuz c15fd58d3b Use structs
git-svn-id: svn://svn.cc65.org/cc65/trunk@2707 b7a2c559-68d2-44c3-8de9-860c34a00d81
2003-12-03 10:15:33 +00:00

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;
; _heap.inc
;
; (C) Copyright 2003 Ullrich von Bassewitz (uz@cc65.org)
;
; Assembler include file that makes the constants and structures in _heap.h
; available for asm code.
; Struct freeblock
; NOTE: For performance reasons, the asm code often uses increment/decrement
; operators to access other offsets, so just changing offsets here will
; probably not work.
.struct freeblock
size .word
next .word
prev .word
.endstruct
HEAP_ADMIN_SPACE = 2
HEAP_MIN_BLOCKSIZE = .sizeof (freeblock) ; Minimum size of an allocated block
; Variables
.global __heaporg
.global __heapptr
.global __heapend
.global __heapfirst
.global __heaplast