;--------------------------------------------------------
; File Created by SDCC : FreeWare ANSI-C Compiler
; Version 2.5.1 #1058 (Jul 15 2005)
; This file generated Fri Jul 15 02:51:27 2005
;--------------------------------------------------------
	.module free
	.optsdcc -mmcs51 --model-large
	
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
	.globl __sdcc_find_memheader
	.globl __sdcc_prev_memheader
	.globl _free
;--------------------------------------------------------
; special function registers
;--------------------------------------------------------
	.area RSEG    (DATA)
;--------------------------------------------------------
; special function bits 
;--------------------------------------------------------
	.area RSEG    (DATA)
;--------------------------------------------------------
; overlayable register banks 
;--------------------------------------------------------
	.area REG_BANK_0	(REL,OVR,DATA)
	.ds 8
;--------------------------------------------------------
; internal ram data
;--------------------------------------------------------
	.area DSEG    (DATA)
;--------------------------------------------------------
; overlayable items in internal ram 
;--------------------------------------------------------
	.area OSEG    (OVR,DATA)
;--------------------------------------------------------
; indirectly addressable internal ram data
;--------------------------------------------------------
	.area ISEG    (DATA)
;--------------------------------------------------------
; bit data
;--------------------------------------------------------
	.area BSEG    (BIT)
;--------------------------------------------------------
; paged external ram data
;--------------------------------------------------------
	.area PSEG    (PAG,XDATA)
;--------------------------------------------------------
; external ram data
;--------------------------------------------------------
	.area XSEG    (XDATA)
__sdcc_prev_memheader::
	.ds 2
__sdcc_find_memheader_p_1_1::
	.ds 2
__sdcc_find_memheader_cur_header_1_1::
	.ds 2
_free_p_1_1::
	.ds 3
;--------------------------------------------------------
; external initialized ram data
;--------------------------------------------------------
	.area XISEG   (XDATA)
	.area CSEG    (CODE)
	.area GSINIT0 (CODE)
	.area GSINIT1 (CODE)
	.area GSINIT2 (CODE)
	.area GSINIT3 (CODE)
	.area GSINIT4 (CODE)
	.area GSINIT5 (CODE)
;--------------------------------------------------------
; global & static initialisations
;--------------------------------------------------------
	.area CSEG    (CODE)
	.area GSINIT  (CODE)
	.area GSFINAL (CODE)
	.area GSINIT  (CODE)
;--------------------------------------------------------
; Home
;--------------------------------------------------------
	.area HOME    (CODE)
	.area CSEG    (CODE)
;--------------------------------------------------------
; code
;--------------------------------------------------------
	.area CSEG    (CODE)
;------------------------------------------------------------
;Allocation info for local variables in function '_sdcc_find_memheader'
;------------------------------------------------------------
;p                         Allocated with name '__sdcc_find_memheader_p_1_1'
;pthis                     Allocated with name '__sdcc_find_memheader_pthis_1_1'
;cur_header                Allocated with name '__sdcc_find_memheader_cur_header_1_1'
;------------------------------------------------------------
;free.c:112: MEMHEADER xdata * _sdcc_find_memheader(void xdata * p)
;	-----------------------------------------
;	 function _sdcc_find_memheader
;	-----------------------------------------
__sdcc_find_memheader:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
;     genReceive
	mov	r2,dph
	mov	a,dpl
	mov	dptr,#__sdcc_find_memheader_p_1_1
	movx	@dptr,a
	inc	dptr
	mov	a,r2
	movx	@dptr,a
;free.c:117: if (!p)
;     genAssign
	mov	dptr,#__sdcc_find_memheader_p_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
;     genIfx
;	Peephole 135	removed redundant mov
	mov	r3,a
	orl	a,r2
;     genIfxJump
;	Peephole 109	removed ljmp by inverse jump logic
	jnz	00102$
;	Peephole 300	removed redundant label 00113$
;free.c:118: return NULL;
;     genRet
;	Peephole 182.b	used 16 bit load of dptr
	mov	dptr,#0x0000
;	Peephole 112.b	changed ljmp to sjmp
;	Peephole 251.b	replaced sjmp to ret with ret
	ret
00102$:
;free.c:120: pthis -= 1; //to start of header
;     genMinus
;     genMinusDec
	mov	a,r2
	add	a,#0xfc
	mov	r2,a
	mov	a,r3
	addc	a,#0xff
	mov	r3,a
;free.c:121: cur_header = _sdcc_first_memheader;
;     genAssign
	mov	dptr,#__sdcc_first_memheader
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
;     genAssign
	mov	dptr,#__sdcc_find_memheader_cur_header_1_1
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
;free.c:122: _sdcc_prev_memheader = NULL;
;     genAssign
	mov	dptr,#__sdcc_prev_memheader
	clr	a
	movx	@dptr,a
	inc	dptr
	movx	@dptr,a
;free.c:123: while (cur_header && pthis != cur_header)
00104$:
;     genAssign
	mov	dptr,#__sdcc_find_memheader_cur_header_1_1
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
;     genIfx
;	Peephole 135	removed redundant mov
	mov	r5,a
	orl	a,r4
;     genIfxJump
;	Peephole 110	removed ljmp by inverse jump logic
	jz	00106$
;	Peephole 300	removed redundant label 00114$
;     genCmpEq
	mov	a,r2
	cjne	a,ar4,00115$
	mov	a,r3
	cjne	a,ar5,00115$
;	Peephole 112.b	changed ljmp to sjmp
	sjmp	00106$
00115$:
;free.c:125: _sdcc_prev_memheader = cur_header;
;     genAssign
	mov	dptr,#__sdcc_prev_memheader
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
;free.c:126: cur_header = cur_header->next;
;     genPointerGet
;     genFarPointerGet
	mov	dpl,r4
	mov	dph,r5
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
;     genAssign
	mov	dptr,#__sdcc_find_memheader_cur_header_1_1
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
;	Peephole 112.b	changed ljmp to sjmp
	sjmp	00104$
00106$:
;free.c:128: return (cur_header);
;     genAssign
	mov	dptr,#__sdcc_find_memheader_cur_header_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
;     genRet
;	Peephole 235	loading dph directly from a(ccumulator), r3 not set
	mov	dpl,r2
	mov	dph,a
;	Peephole 300	removed redundant label 00107$
	ret
;------------------------------------------------------------
;Allocation info for local variables in function 'free'
;------------------------------------------------------------
;p                         Allocated with name '_free_p_1_1'
;pthis                     Allocated with name '_free_pthis_1_1'
;------------------------------------------------------------
;free.c:131: void free (void * p)
;	-----------------------------------------
;	 function free
;	-----------------------------------------
_free:
;     genReceive
	mov	r2,b
	mov	r3,dph
	mov	a,dpl
	mov	dptr,#_free_p_1_1
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r2
	movx	@dptr,a
;free.c:137: pthis = _sdcc_find_memheader(p);
;     genAssign
	mov	dptr,#_free_p_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
;     genCast
;     genCall
	mov	dpl,r2
	mov	dph,r3
	lcall	__sdcc_find_memheader
	mov	r2,dpl
	mov	r3,dph
;free.c:138: if (pthis) //For allocated pointers only!
;     genIfx
	mov	a,r2
	orl	a,r3
;     genIfxJump
;	Peephole 110	removed ljmp by inverse jump logic
	jz	00106$
;	Peephole 300	removed redundant label 00110$
;free.c:140: if (!_sdcc_prev_memheader)
;     genAssign
	mov	dptr,#__sdcc_prev_memheader
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
;     genIfx
;	Peephole 135	removed redundant mov
	mov	r5,a
	orl	a,r4
;     genIfxJump
;	Peephole 109	removed ljmp by inverse jump logic
	jnz	00102$
;	Peephole 300	removed redundant label 00111$
;free.c:142: pthis->len = 0;
;     genPlus
;     genPlusIncr
	mov	dpl,r2
	mov	dph,r3
	inc	dptr
	inc	dptr
;     genPointerSet
;     genFarPointerSet
;	Peephole 101	removed redundant mov
;	Peephole 181	changed mov to clr
	clr	a
	movx	@dptr,a
	inc	dptr
	movx	@dptr,a
;	Peephole 112.b	changed ljmp to sjmp
;	Peephole 251.b	replaced sjmp to ret with ret
	ret
00102$:
;free.c:146: _sdcc_prev_memheader->next = pthis->next;
;     genPointerGet
;     genFarPointerGet
	mov	dpl,r2
	mov	dph,r3
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
;     genPointerSet
;     genFarPointerSet
	mov	dpl,r4
	mov	dph,r5
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
00106$:
	ret
	.area CSEG    (CODE)
	.area CONST   (CODE)
	.area XINIT   (CODE)
