;--------------------------------------------------------
; File Created by SDCC : free open source ANSI-C Compiler
; Version 2.8.0 #5117 (Apr  6 2017) (UNIX)
; This file was generated Thu Apr  6 21:17:26 2017
;--------------------------------------------------------
	.module sqrtf
	.optsdcc -mgbz80
	
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
	.globl _sqrtf
;--------------------------------------------------------
;  ram data
;--------------------------------------------------------
	.area _DATA
;--------------------------------------------------------
; overlayable items in  ram 
;--------------------------------------------------------
	.area _OVERLAY
;--------------------------------------------------------
; external initialized ram data
;--------------------------------------------------------
;--------------------------------------------------------
; global & static initialisations
;--------------------------------------------------------
	.area _HOME
	.area _GSINIT
	.area _GSFINAL
	.area _GSINIT
;--------------------------------------------------------
; Home
;--------------------------------------------------------
	.area _HOME
	.area _HOME
;--------------------------------------------------------
; code
;--------------------------------------------------------
	.area _CODE
;sqrtf.c:27: float sqrtf(const float x) _FLOAT_FUNC_REENTRANT
;	genLabel
;	genFunction
;	---------------------------------
; Function sqrtf
; ---------------------------------
_sqrtf_start::
_sqrtf:
	lda	sp,-18(sp)
;sqrtf.c:32: if (x==0.0) return x;
;	genIfx
;	AOP_STK for 
	lda	hl,20(sp)
	ld	a,(hl+)
	or	a,(hl)
	inc	hl
	or	a,(hl)
	inc	hl
	or	a,(hl)
	jp	NZ,00107$
;	genRet
;	AOP_STK for 
; Dump of IC_LEFT: type AOP_STK size 4
;	 aop_stk 2
	lda	hl,20(sp)
	ld	e,(hl)
	inc	hl
	ld	d,(hl)
	inc	hl
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	jp	00111$
;	genLabel
00107$:
;sqrtf.c:33: else if (x==1.0) return 1.0;
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
	ld	hl,#0x0000
	push	hl
	ld	hl,#0x803F
	push	hl
;	genIpush
;	AOP_STK for 
	lda	hl,26(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,26(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	___fseq
	ld	c,e
	lda	sp,8(sp)
;	genIfx
	xor	a,a
	or	a,c
	jp	Z,00104$
;	genRet
; Dump of IC_LEFT: type AOP_LIT size 4
	ld	de,#0x803F
	ld	hl,#0x0000
	jp	00111$
;	genLabel
00104$:
;sqrtf.c:34: else if (x<0.0)
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
	ld	hl,#0x0000
	push	hl
	ld	hl,#0x0000
	push	hl
;	genIpush
;	AOP_STK for 
	lda	hl,26(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,26(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	___fslt
	ld	c,e
	lda	sp,8(sp)
;	genIfx
	xor	a,a
	or	a,c
	jp	Z,00108$
;sqrtf.c:36: errno=EDOM;
;	genAssign
;	AOP_HL for _errno
	ld	hl,#_errno
	ld	(hl),#0x21
	inc	hl
	ld	(hl),#0x00
;sqrtf.c:37: return 0.0;
;	genRet
; Dump of IC_LEFT: type AOP_LIT size 4
	ld	de,#0x0000
	ld	hl,#0x0000
	jp	00111$
;	genLabel
00108$:
;sqrtf.c:39: f=frexpf(x, &n);
;	genAddrOf
	lda	hl,8(sp)
	ld	c,l
	ld	b,h
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
	push	bc
;	genIpush
;	AOP_STK for 
	lda	hl,24(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,24(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	_frexpf
;	AOP_STK for _sqrtf_f_1_1
	push	hl
	lda	hl,22(sp)
	ld	(hl),e
	inc	hl
	ld	(hl),d
	pop	de
	inc	hl
	ld	(hl),e
	inc	hl
	ld	(hl),d
	lda	sp,6(sp)
;	genAssign
;	AOP_STK for _sqrtf_f_1_1
;	(registers are the same)
;sqrtf.c:40: y=0.41731+0.59016*f; /*Educated guess*/
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
;	AOP_STK for _sqrtf_f_1_1
	lda	hl,16(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,16(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genIpush
	ld	hl,#0xBA14
	push	hl
	ld	hl,#0x173F
	push	hl
;	genCall
	call	___fsmul
;	AOP_STK for _sqrtf_sloc0_1_0
	push	hl
	lda	hl,14(sp)
	ld	(hl),e
	inc	hl
	ld	(hl),d
	pop	de
	inc	hl
	ld	(hl),e
	inc	hl
	ld	(hl),d
	lda	sp,8(sp)
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
	ld	hl,#0xA8A9
	push	hl
	ld	hl,#0xD53E
	push	hl
;	genIpush
;	AOP_STK for _sqrtf_sloc0_1_0
	lda	hl,10(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,10(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	___fsadd
;	AOP_STK for _sqrtf_y_1_1
	push	hl
	lda	hl,20(sp)
	ld	(hl),e
	inc	hl
	ld	(hl),d
	pop	de
	inc	hl
	ld	(hl),e
	inc	hl
	ld	(hl),d
	lda	sp,8(sp)
;	genAssign
;	AOP_STK for _sqrtf_y_1_1
;	(registers are the same)
;sqrtf.c:42: y+=f/y;
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
;	AOP_STK for _sqrtf_y_1_1
	lda	hl,12(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,12(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genIpush
;	AOP_STK for _sqrtf_f_1_1
	lda	hl,20(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,20(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	___fsdiv
;	AOP_STK for _sqrtf_sloc0_1_0
	push	hl
	lda	hl,14(sp)
	ld	(hl),e
	inc	hl
	ld	(hl),d
	pop	de
	inc	hl
	ld	(hl),e
	inc	hl
	ld	(hl),d
	lda	sp,8(sp)
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
;	AOP_STK for _sqrtf_sloc0_1_0
	lda	hl,6(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,6(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genIpush
;	AOP_STK for _sqrtf_y_1_1
	lda	hl,16(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,16(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	___fsadd
;	AOP_STK for _sqrtf_sloc0_1_0
	push	hl
	lda	hl,14(sp)
	ld	(hl),e
	inc	hl
	ld	(hl),d
	pop	de
	inc	hl
	ld	(hl),e
	inc	hl
	ld	(hl),d
	lda	sp,8(sp)
;	genAssign
;	AOP_STK for _sqrtf_sloc0_1_0
;	AOP_STK for _sqrtf_y_1_1
	lda	hl,4(sp)
	ld	d,h
	ld	e,l
	lda	hl,10(sp)
	ld	a,(de)
	ld	(hl+),a
	inc	de
	ld	a,(de)
	ld	(hl+),a
	inc	de
	ld	a,(de)
	ld	(hl+),a
	inc	de
	ld	a,(de)
	ld	(hl),a
;sqrtf.c:43: y=ldexpf(y, -2) + f/y; /*Faster version of 0.25 * y + f/y*/
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
	ld	hl,#0xFFFFFFFE
	push	hl
;	genIpush
;	AOP_STK for _sqrtf_y_1_1
	lda	hl,14(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,14(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	_ldexpf
;	AOP_STK for _sqrtf_sloc0_1_0
	push	hl
	lda	hl,12(sp)
	ld	(hl),e
	inc	hl
	ld	(hl),d
	pop	de
	inc	hl
	ld	(hl),e
	inc	hl
	ld	(hl),d
	lda	sp,6(sp)
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
;	AOP_STK for _sqrtf_y_1_1
	lda	hl,12(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,12(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genIpush
;	AOP_STK for _sqrtf_f_1_1
	lda	hl,20(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,20(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	___fsdiv
;	AOP_STK for _sqrtf_sloc1_1_0
	push	hl
	lda	hl,10(sp)
	ld	(hl),e
	inc	hl
	ld	(hl),d
	pop	de
	inc	hl
	ld	(hl),e
	inc	hl
	ld	(hl),d
	lda	sp,8(sp)
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
;	AOP_STK for _sqrtf_sloc1_1_0
	lda	hl,2(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,2(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genIpush
;	AOP_STK for _sqrtf_sloc0_1_0
	lda	hl,10(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,10(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	___fsadd
;	AOP_STK for _sqrtf_sloc1_1_0
	push	hl
	lda	hl,10(sp)
	ld	(hl),e
	inc	hl
	ld	(hl),d
	pop	de
	inc	hl
	ld	(hl),e
	inc	hl
	ld	(hl),d
	lda	sp,8(sp)
;	genAssign
;	AOP_STK for _sqrtf_sloc1_1_0
;	AOP_STK for _sqrtf_y_1_1
	lda	hl,0(sp)
	ld	d,h
	ld	e,l
	lda	hl,10(sp)
	ld	a,(de)
	ld	(hl+),a
	inc	de
	ld	a,(de)
	ld	(hl+),a
	inc	de
	ld	a,(de)
	ld	(hl+),a
	inc	de
	ld	a,(de)
	ld	(hl),a
;sqrtf.c:45: if (n&1)
;	genAnd
;	AOP_STK for _sqrtf_n_1_1
	lda	hl,8(sp)
	ld	a,(hl)
	and	a,#0x01
	jr	NZ,00117$
	jp	00110$
00117$:
;sqrtf.c:47: y*=0.7071067812;
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
;	AOP_STK for _sqrtf_y_1_1
	lda	hl,12(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,12(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genIpush
	ld	hl,#0xF304
	push	hl
	ld	hl,#0x353F
	push	hl
;	genCall
	call	___fsmul
;	AOP_STK for _sqrtf_sloc1_1_0
	push	hl
	lda	hl,10(sp)
	ld	(hl),e
	inc	hl
	ld	(hl),d
	pop	de
	inc	hl
	ld	(hl),e
	inc	hl
	ld	(hl),d
	lda	sp,8(sp)
;	genAssign
;	AOP_STK for _sqrtf_sloc1_1_0
;	AOP_STK for _sqrtf_y_1_1
	lda	hl,0(sp)
	ld	d,h
	ld	e,l
	lda	hl,10(sp)
	ld	a,(de)
	ld	(hl+),a
	inc	de
	ld	a,(de)
	ld	(hl+),a
	inc	de
	ld	a,(de)
	ld	(hl+),a
	inc	de
	ld	a,(de)
	ld	(hl),a
;sqrtf.c:48: ++n;
;	genPlus
;	AOP_STK for _sqrtf_n_1_1
;	genPlusIncr
	lda	hl,8(sp)
	inc	(hl)
	jr	NZ,00118$
	inc	hl
	inc	(hl)
00118$:
;	genLabel
00110$:
;sqrtf.c:50: return ldexpf(y, n/2);
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
	ld	hl,#0x0002
	push	hl
;	genIpush
;	AOP_STK for _sqrtf_n_1_1
	lda	hl,10(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	__divsint_rrx_s
	ld	b,d
	ld	c,e
	lda	sp,4(sp)
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
	push	bc
;	genIpush
;	AOP_STK for _sqrtf_y_1_1
	lda	hl,14(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,14(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	_ldexpf
;	AOP_STK for _sqrtf_sloc1_1_0
	push	hl
	lda	hl,8(sp)
	ld	(hl),e
	inc	hl
	ld	(hl),d
	pop	de
	inc	hl
	ld	(hl),e
	inc	hl
	ld	(hl),d
	lda	sp,6(sp)
;	genRet
;	AOP_STK for _sqrtf_sloc1_1_0
; Dump of IC_LEFT: type AOP_STK size 4
;	 aop_stk -18
	lda	hl,0(sp)
	ld	e,(hl)
	inc	hl
	ld	d,(hl)
	inc	hl
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
;	genLabel
00111$:
;	genEndFunction
	lda	sp,18(sp)
	ret
_sqrtf_end::
	.area _CODE
	.area _CABS
