2003-02-01 12:22:09 +00:00
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;
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; _heap.inc
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;
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; (C) Copyright 2003 Ullrich von Bassewitz (uz@cc65.org)
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;
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; Assembler include file that makes the constants and structures in _heap.h
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; available for asm code.
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2003-12-03 10:15:33 +00:00
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; Struct freeblock
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; NOTE: For performance reasons, the asm code often uses increment/decrement
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; operators to access other offsets, so just changing offsets here will
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; probably not work.
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.struct freeblock
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size .word
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2004-12-19 23:09:38 +00:00
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next .addr
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prev .addr
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.endstruct
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; Struct usedblock
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; See notes above
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.struct usedblock
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size .word
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start .addr
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2003-12-03 10:15:33 +00:00
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.endstruct
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2003-02-01 12:22:09 +00:00
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2003-12-03 10:15:33 +00:00
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HEAP_MIN_BLOCKSIZE = .sizeof (freeblock) ; Minimum size of an allocated block
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2004-12-19 23:09:38 +00:00
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HEAP_ADMIN_SPACE = .sizeof (usedblock) ; Additional space for used bocks
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2003-02-01 12:22:09 +00:00
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; Variables
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.global __heaporg
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.global __heapptr
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.global __heapend
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.global __heapfirst
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.global __heaplast
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