;--------------------------------------------------------
; File Created by SDCC : free open source ANSI-C Compiler
; Version 2.8.0 #5117 (Feb 21 2012) (UNIX)
; This file was generated Tue Feb 21 02:56:19 2012
;--------------------------------------------------------
	.module tancotf
	.optsdcc -mmcs51 --model-medium
	
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
	.globl _tancotf
	.globl _tancotf_PARM_2
;--------------------------------------------------------
; 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)
_tancotf_sloc0_1_0:
	.ds 4
;--------------------------------------------------------
; overlayable items in internal ram 
;--------------------------------------------------------
	.area OSEG    (OVR,DATA)
;--------------------------------------------------------
; indirectly addressable internal ram data
;--------------------------------------------------------
	.area ISEG    (DATA)
;--------------------------------------------------------
; absolute internal ram data
;--------------------------------------------------------
	.area IABS    (ABS,DATA)
	.area IABS    (ABS,DATA)
;--------------------------------------------------------
; bit data
;--------------------------------------------------------
	.area BSEG    (BIT)
;--------------------------------------------------------
; paged external ram data
;--------------------------------------------------------
	.area PSEG    (PAG,XDATA)
_tancotf_PARM_2:
	.ds 2
_tancotf_x_1_1:
	.ds 4
_tancotf_f_1_1:
	.ds 4
_tancotf_g_1_1:
	.ds 4
_tancotf_xn_1_1:
	.ds 4
_tancotf_xnum_1_1:
	.ds 4
_tancotf_xden_1_1:
	.ds 4
_tancotf_n_1_1:
	.ds 2
;--------------------------------------------------------
; external ram data
;--------------------------------------------------------
	.area XSEG    (XDATA)
;--------------------------------------------------------
; absolute external ram data
;--------------------------------------------------------
	.area XABS    (ABS,XDATA)
;--------------------------------------------------------
; external initialized ram data
;--------------------------------------------------------
	.area XISEG   (XDATA)
	.area HOME    (CODE)
	.area GSINIT0 (CODE)
	.area GSINIT1 (CODE)
	.area GSINIT2 (CODE)
	.area GSINIT3 (CODE)
	.area GSINIT4 (CODE)
	.area GSINIT5 (CODE)
	.area GSINIT  (CODE)
	.area GSFINAL (CODE)
	.area CSEG    (CODE)
;--------------------------------------------------------
; global & static initialisations
;--------------------------------------------------------
	.area HOME    (CODE)
	.area GSINIT  (CODE)
	.area GSFINAL (CODE)
	.area GSINIT  (CODE)
;--------------------------------------------------------
; Home
;--------------------------------------------------------
	.area HOME    (CODE)
	.area HOME    (CODE)
;--------------------------------------------------------
; code
;--------------------------------------------------------
	.area CSEG    (CODE)
;------------------------------------------------------------
;Allocation info for local variables in function 'tancotf'
;------------------------------------------------------------
;sloc0                     Allocated with name '_tancotf_sloc0_1_0'
;------------------------------------------------------------
;	tancotf.c:42: float tancotf(const float x, const int iscotan)
;	-----------------------------------------
;	 function tancotf
;	-----------------------------------------
_tancotf:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
	mov	r5,a
	mov	r0,#_tancotf_x_1_1
	mov	a,r2
	movx	@r0,a
	inc	r0
	mov	a,r3
	movx	@r0,a
	inc	r0
	mov	a,r4
	movx	@r0,a
	inc	r0
	mov	a,r5
	movx	@r0,a
;	tancotf.c:47: if (fabsf(x) > YMAX)
	mov	r0,#_tancotf_x_1_1
	movx	a,@r0
	mov	dpl,a
	inc	r0
	movx	a,@r0
	mov	dph,a
	inc	r0
	movx	a,@r0
	mov	b,a
	inc	r0
	movx	a,@r0
	lcall	_fabsf
	mov	r6,dpl
	mov	r7,dph
	mov	r2,b
	mov	r3,a
	clr	a
	push	acc
	mov	a,#0x08
	push	acc
	mov	a,#0xC9
	push	acc
	mov	a,#0x45
	push	acc
	mov	dpl,r6
	mov	dph,r7
	mov	b,r2
	mov	a,r3
	lcall	___fsgt
	mov	r2,dpl
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	mov	a,r2
	jz	00102$
;	tancotf.c:49: errno = ERANGE;
	mov	r0,#_errno
	mov	a,#0x22
	movx	@r0,a
	clr	a
	inc	r0
	movx	@r0,a
;	tancotf.c:50: return 0.0;
	mov	dptr,#(0x00&0x00ff)
	clr	a
	mov	b,a
	ret
00102$:
;	tancotf.c:54: n=(x*TWO_O_PI+(x>0.0?0.5:-0.5)); /*works for +-x*/
	mov	r0,#_tancotf_x_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	dptr,#0xF983
	mov	b,#0x22
	mov	a,#0x3F
	lcall	___fsmul
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
	mov	r5,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	push	ar2
	push	ar3
	push	ar4
	push	ar5
	clr	a
	push	acc
	push	acc
	push	acc
	push	acc
	mov	r0,#_tancotf_x_1_1
	movx	a,@r0
	mov	dpl,a
	inc	r0
	movx	a,@r0
	mov	dph,a
	inc	r0
	movx	a,@r0
	mov	b,a
	inc	r0
	movx	a,@r0
	lcall	___fsgt
	mov	r6,dpl
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	pop	ar5
	pop	ar4
	pop	ar3
	pop	ar2
	mov	a,r6
	jz	00117$
	mov	_tancotf_sloc0_1_0,#0x00
	mov	(_tancotf_sloc0_1_0 + 1),#0x00
	mov	(_tancotf_sloc0_1_0 + 2),#0x00
	mov	(_tancotf_sloc0_1_0 + 3),#0x3F
	sjmp	00118$
00117$:
	mov	_tancotf_sloc0_1_0,#0x00
	mov	(_tancotf_sloc0_1_0 + 1),#0x00
	mov	(_tancotf_sloc0_1_0 + 2),#0x00
	mov	(_tancotf_sloc0_1_0 + 3),#0xBF
00118$:
	push	_tancotf_sloc0_1_0
	push	(_tancotf_sloc0_1_0 + 1)
	push	(_tancotf_sloc0_1_0 + 2)
	push	(_tancotf_sloc0_1_0 + 3)
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	lcall	___fsadd
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
	mov	r5,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	lcall	___fs2sint
	mov	r0,#_tancotf_n_1_1
	mov	a,dpl
	movx	@r0,a
	inc	r0
	mov	a,dph
	movx	@r0,a
;	tancotf.c:55: xn=n;
	mov	r0,#_tancotf_n_1_1
	movx	a,@r0
	mov	dpl,a
	inc	r0
	movx	a,@r0
	mov	dph,a
	lcall	___sint2fs
	mov	r0,#_tancotf_xn_1_1
	push	acc
	mov	a,dpl
	movx	@r0,a
	inc	r0
	mov	a,dph
	movx	@r0,a
	inc	r0
	mov	a,b
	movx	@r0,a
	pop	acc
	inc	r0
	movx	@r0,a
;	tancotf.c:57: xnum=(int)x;
	mov	r0,#_tancotf_x_1_1
	movx	a,@r0
	mov	dpl,a
	inc	r0
	movx	a,@r0
	mov	dph,a
	inc	r0
	movx	a,@r0
	mov	b,a
	inc	r0
	movx	a,@r0
	lcall	___fs2sint
	lcall	___sint2fs
	mov	r0,#_tancotf_xnum_1_1
	push	acc
	mov	a,dpl
	movx	@r0,a
	inc	r0
	mov	a,dph
	movx	@r0,a
	inc	r0
	mov	a,b
	movx	@r0,a
	pop	acc
	inc	r0
	movx	@r0,a
;	tancotf.c:58: xden=x-xnum;
	mov	r0,#_tancotf_xnum_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	r0,#_tancotf_x_1_1
	movx	a,@r0
	mov	dpl,a
	inc	r0
	movx	a,@r0
	mov	dph,a
	inc	r0
	movx	a,@r0
	mov	b,a
	inc	r0
	movx	a,@r0
	lcall	___fssub
	mov	r0,#_tancotf_xden_1_1
	push	acc
	mov	a,dpl
	movx	@r0,a
	inc	r0
	mov	a,dph
	movx	@r0,a
	inc	r0
	mov	a,b
	movx	@r0,a
	pop	acc
	inc	r0
	movx	@r0,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
;	tancotf.c:59: f=((xnum-xn*C1)+xden)-xn*C2;
	mov	r0,#_tancotf_xn_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	dptr,#0x0000
	mov	b,#0xC9
	mov	a,#0x3F
	lcall	___fsmul
	mov	r6,dpl
	mov	r7,dph
	mov	r2,b
	mov	r3,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	push	ar6
	push	ar7
	push	ar2
	push	ar3
	mov	r0,#_tancotf_xnum_1_1
	movx	a,@r0
	mov	dpl,a
	inc	r0
	movx	a,@r0
	mov	dph,a
	inc	r0
	movx	a,@r0
	mov	b,a
	inc	r0
	movx	a,@r0
	lcall	___fssub
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
	mov	r5,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	mov	r0,#_tancotf_xden_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	lcall	___fsadd
	mov	_tancotf_sloc0_1_0,dpl
	mov	(_tancotf_sloc0_1_0 + 1),dph
	mov	(_tancotf_sloc0_1_0 + 2),b
	mov	(_tancotf_sloc0_1_0 + 3),a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	mov	r0,#_tancotf_xn_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	dptr,#0xAA22
	mov	b,#0xFD
	mov	a,#0x39
	lcall	___fsmul
	mov	r6,dpl
	mov	r7,dph
	mov	r2,b
	mov	r3,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	push	ar6
	push	ar7
	push	ar2
	push	ar3
	mov	dpl,_tancotf_sloc0_1_0
	mov	dph,(_tancotf_sloc0_1_0 + 1)
	mov	b,(_tancotf_sloc0_1_0 + 2)
	mov	a,(_tancotf_sloc0_1_0 + 3)
	lcall	___fssub
	mov	r0,#_tancotf_f_1_1
	push	acc
	mov	a,dpl
	movx	@r0,a
	inc	r0
	mov	a,dph
	movx	@r0,a
	inc	r0
	mov	a,b
	movx	@r0,a
	pop	acc
	inc	r0
	movx	@r0,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
;	tancotf.c:61: if (fabsf(f) < EPS)
	mov	r0,#_tancotf_f_1_1
	movx	a,@r0
	mov	dpl,a
	inc	r0
	movx	a,@r0
	mov	dph,a
	inc	r0
	movx	a,@r0
	mov	b,a
	inc	r0
	movx	a,@r0
	lcall	_fabsf
	mov	r6,dpl
	mov	r7,dph
	mov	r2,b
	mov	r3,a
	clr	a
	push	acc
	push	acc
	mov	a,#0x80
	push	acc
	mov	a,#0x39
	push	acc
	mov	dpl,r6
	mov	dph,r7
	mov	b,r2
	mov	a,r3
	lcall	___fslt
	mov	r2,dpl
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	mov	a,r2
	jz	00104$
;	tancotf.c:63: xnum = f;
	mov	r0,#_tancotf_f_1_1
	mov	r1,#_tancotf_xnum_1_1
	movx	a,@r0
	movx	@r1,a
	inc	r0
	movx	a,@r0
	inc	r1
	movx	@r1,a
	inc	r0
	movx	a,@r0
	inc	r1
	movx	@r1,a
	inc	r0
	movx	a,@r0
	inc	r1
	movx	@r1,a
;	tancotf.c:64: xden = 1.0;
	mov	r0,#_tancotf_xden_1_1
	clr	a
	movx	@r0,a
	inc	r0
	movx	@r0,a
	inc	r0
	mov	a,#0x80
	movx	@r0,a
	inc	r0
	mov	a,#0x3F
	movx	@r0,a
	ljmp	00105$
00104$:
;	tancotf.c:68: g = f*f;
	mov	r0,#_tancotf_f_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	r0,#_tancotf_f_1_1
	movx	a,@r0
	mov	dpl,a
	inc	r0
	movx	a,@r0
	mov	dph,a
	inc	r0
	movx	a,@r0
	mov	b,a
	inc	r0
	movx	a,@r0
	lcall	___fsmul
	mov	r0,#_tancotf_g_1_1
	push	acc
	mov	a,dpl
	movx	@r0,a
	inc	r0
	mov	a,dph
	movx	@r0,a
	inc	r0
	mov	a,b
	movx	@r0,a
	pop	acc
	inc	r0
	movx	@r0,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
;	tancotf.c:69: xnum = P(f,g);
	mov	r0,#_tancotf_g_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	dptr,#0x33B8
	mov	b,#0xC4
	mov	a,#0xBD
	lcall	___fsmul
	mov	r6,dpl
	mov	r7,dph
	mov	r2,b
	mov	r3,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	mov	r0,#_tancotf_f_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	dpl,r6
	mov	dph,r7
	mov	b,r2
	mov	a,r3
	lcall	___fsmul
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
	mov	r5,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	mov	r0,#_tancotf_f_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	lcall	___fsadd
	mov	r0,#_tancotf_xnum_1_1
	push	acc
	mov	a,dpl
	movx	@r0,a
	inc	r0
	mov	a,dph
	movx	@r0,a
	inc	r0
	mov	a,b
	movx	@r0,a
	pop	acc
	inc	r0
	movx	@r0,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
;	tancotf.c:70: xden = Q(g);
	mov	r0,#_tancotf_g_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	dptr,#0x3375
	mov	b,#0x1F
	mov	a,#0x3C
	lcall	___fsmul
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
	mov	r5,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	mov	a,#0xAF
	push	acc
	mov	a,#0xB7
	push	acc
	mov	a,#0xDB
	push	acc
	mov	a,#0xBE
	push	acc
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	lcall	___fsadd
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
	mov	r5,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	mov	r0,#_tancotf_g_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	lcall	___fsmul
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
	mov	r5,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	clr	a
	push	acc
	push	acc
	mov	a,#0x80
	push	acc
	mov	a,#0x3F
	push	acc
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	lcall	___fsadd
	mov	r0,#_tancotf_xden_1_1
	push	acc
	mov	a,dpl
	movx	@r0,a
	inc	r0
	mov	a,dph
	movx	@r0,a
	inc	r0
	mov	a,b
	movx	@r0,a
	pop	acc
	inc	r0
	movx	@r0,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
00105$:
;	tancotf.c:73: if(n&1)
	mov	r0,#_tancotf_n_1_1
	movx	a,@r0
	anl	a,#0x01
	jnz	00128$
	inc	r0
	movx	a,@r0
	anl	a,#0x00
	jnz	00128$
	ljmp	00113$
00128$:
;	tancotf.c:76: if(iscotan) return (-xnum/xden);
	mov	r0,#_tancotf_PARM_2
	movx	a,@r0
	mov	b,a
	inc	r0
	movx	a,@r0
	orl	a,b
	jz	00107$
	mov	r0,#_tancotf_xnum_1_1
	movx	a,@r0
	mov	r2,a
	inc	r0
	movx	a,@r0
	mov	r3,a
	inc	r0
	movx	a,@r0
	mov	r4,a
	inc	r0
	movx	a,@r0
	cpl	acc.7
	mov	r5,a
	mov	r0,#_tancotf_xden_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	lcall	___fsdiv
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
	mov	r5,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	ret
00107$:
;	tancotf.c:77: else return (-xden/xnum);
	mov	r0,#_tancotf_xden_1_1
	movx	a,@r0
	mov	r2,a
	inc	r0
	movx	a,@r0
	mov	r3,a
	inc	r0
	movx	a,@r0
	mov	r4,a
	inc	r0
	movx	a,@r0
	cpl	acc.7
	mov	r5,a
	mov	r0,#_tancotf_xnum_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	lcall	___fsdiv
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
	mov	r5,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	ret
00113$:
;	tancotf.c:81: if(iscotan) return (xden/xnum);
	mov	r0,#_tancotf_PARM_2
	movx	a,@r0
	mov	b,a
	inc	r0
	movx	a,@r0
	orl	a,b
	jz	00110$
	mov	r0,#_tancotf_xnum_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	r0,#_tancotf_xden_1_1
	movx	a,@r0
	mov	dpl,a
	inc	r0
	movx	a,@r0
	mov	dph,a
	inc	r0
	movx	a,@r0
	mov	b,a
	inc	r0
	movx	a,@r0
	lcall	___fsdiv
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
	mov	r5,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	ret
00110$:
;	tancotf.c:82: else return (xnum/xden);
	mov	r0,#_tancotf_xden_1_1
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	inc	r0
	movx	a,@r0
	push	acc
	mov	r0,#_tancotf_xnum_1_1
	movx	a,@r0
	mov	dpl,a
	inc	r0
	movx	a,@r0
	mov	dph,a
	inc	r0
	movx	a,@r0
	mov	b,a
	inc	r0
	movx	a,@r0
	lcall	___fsdiv
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
	mov	r5,a
	mov	a,sp
	add	a,#0xfc
	mov	sp,a
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	ret
	.area CSEG    (CODE)
	.area CONST   (CODE)
	.area XINIT   (CODE)
	.area CABS    (ABS,CODE)
