;--------------------------------------------------------
; File Created by SDCC : free open source ANSI-C Compiler
; Version 2.8.0 #5117 (Mar 17 2025) (UNIX)
; This file was generated Mon Mar 17 16:04:54 2025
;--------------------------------------------------------
	.module atan2f
	.optsdcc -mgbz80
	
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
	.globl _atan2f
;--------------------------------------------------------
;  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
;atan2f.c:24: float atan2f(const float x, const float y)
;	genLabel
;	genFunction
;	---------------------------------
; Function atan2f
; ---------------------------------
_atan2f_start::
_atan2f:
	lda	sp,-12(sp)
;atan2f.c:28: if ((x==0.0) && (y==0.0))
;	genIfx
;	AOP_STK for 
	lda	hl,14(sp)
	ld	a,(hl+)
	or	a,(hl)
	inc	hl
	or	a,(hl)
	inc	hl
	or	a,(hl)
	jp	NZ,00102$
;	genIfx
;	AOP_STK for 
	inc	hl
	ld	a,(hl+)
	or	a,(hl)
	inc	hl
	or	a,(hl)
	inc	hl
	or	a,(hl)
	jp	NZ,00102$
;atan2f.c:30: errno=EDOM;
;	genAssign
;	AOP_HL for _errno
	ld	hl,#_errno
	ld	(hl),#0x21
	inc	hl
	ld	(hl),#0x00
;atan2f.c:31: return 0.0;
;	genRet
; Dump of IC_LEFT: type AOP_LIT size 4
	ld	de,#0x0000
	ld	hl,#0x0000
	jp	00109$
;	genLabel
00102$:
;atan2f.c:34: if(fabsf(y)>=fabsf(x))
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
;	AOP_STK for 
	lda	hl,20(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,20(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	_fabsf
;	AOP_STK for _atan2f_sloc0_1_0
	push	hl
	lda	hl,10(sp)
	ld	(hl),e
	inc	hl
	ld	(hl),d
	pop	de
	inc	hl
	ld	(hl),e
	inc	hl
	ld	(hl),d
	lda	sp,4(sp)
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
;	AOP_STK for 
	lda	hl,16(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,16(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	_fabsf
;	AOP_STK for _atan2f_sloc1_1_0
	push	hl
	lda	hl,6(sp)
	ld	(hl),e
	inc	hl
	ld	(hl),d
	pop	de
	inc	hl
	ld	(hl),e
	inc	hl
	ld	(hl),d
	lda	sp,4(sp)
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
;	AOP_STK for _atan2f_sloc1_1_0
	lda	hl,2(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,2(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genIpush
;	AOP_STK for _atan2f_sloc0_1_0
	lda	hl,10(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,10(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	___fslt
	ld	c,e
	lda	sp,8(sp)
;	genIfx
	xor	a,a
	or	a,c
	jp	NZ,00107$
;atan2f.c:36: r=atanf(x/y);
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
;	AOP_STK for 
	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
;	genIpush
;	AOP_STK for 
	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 _atan2f_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 _atan2f_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
;	genCall
	call	_atanf
;	AOP_STK for _atan2f_r_1_1
	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,4(sp)
;	genAssign
;	AOP_STK for _atan2f_r_1_1
;	(registers are the same)
;atan2f.c:37: if(y<0.0) r+=(x>=0?PI:-PI);
;	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,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	___fslt
	ld	c,e
	lda	sp,8(sp)
;	genIfx
	xor	a,a
	or	a,c
	jp	Z,00108$
;	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,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	___fslt
	ld	c,e
	lda	sp,8(sp)
;	genNot
	xor	a,a
	or	a,c
	sub	a,#0x01
	ld	a,#0x00
	rla
;	genIfx
	ld	c,a
	or	a,a
	jp	Z,00111$
;	genAssign
;	AOP_STK for _atan2f_sloc1_1_0
	lda	hl,0(sp)
	ld	(hl),#0x40
	inc	hl
	ld	(hl),#0x49
	inc	hl
	ld	(hl),#0x0F
	inc	hl
	ld	(hl),#0xDB
;	genGoto
	jp	00112$
;	genLabel
00111$:
;	genAssign
;	AOP_STK for _atan2f_sloc1_1_0
	lda	hl,0(sp)
	ld	(hl),#0xC0
	inc	hl
	ld	(hl),#0x49
	inc	hl
	ld	(hl),#0x0F
	inc	hl
	ld	(hl),#0xDB
;	genLabel
00112$:
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
;	AOP_STK for _atan2f_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 _atan2f_r_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	___fsadd
;	AOP_STK for _atan2f_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 _atan2f_sloc1_1_0
;	AOP_STK for _atan2f_r_1_1
	lda	hl,0(sp)
	ld	d,h
	ld	e,l
	lda	hl,8(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
;	genGoto
	jp	00108$
;	genLabel
00107$:
;atan2f.c:41: r=-atanf(y/x);
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
;	AOP_STK for 
	lda	hl,16(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,16(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genIpush
;	AOP_STK for 
	lda	hl,24(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,24(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	___fsdiv
;	AOP_STK for _atan2f_sloc1_1_0
	push	hl
	lda	hl,10(sp)
	ld	(hl),e
	inc	hl
	ld	(hl),d
	pop	de
	inc	hl
	ld	(hl),e
	inc	hl
	ld	(hl),d
	lda	sp,8(sp)
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
;	AOP_STK for _atan2f_sloc1_1_0
	lda	hl,2(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,2(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	_atanf
;	AOP_STK for _atan2f_sloc1_1_0
	push	hl
	lda	hl,6(sp)
	ld	(hl),e
	inc	hl
	ld	(hl),d
	pop	de
	inc	hl
	ld	(hl),e
	inc	hl
	ld	(hl),d
	lda	sp,4(sp)
;	genUminus
;	AOP_STK for _atan2f_sloc1_1_0
;	genUminusFloat
	lda	hl,3(sp)
	ld	a,(hl)
	xor	a,#0x80
	ld	(hl),a
	lda	hl,0(sp)
	ld	a,(hl)
	ld	(hl+),a
	ld	a,(hl)
	ld	(hl+),a
	ld	a,(hl)
;	genAssign
;	AOP_STK for _atan2f_sloc1_1_0
;	AOP_STK for _atan2f_r_1_1
	ld	(hl-),a
	dec	hl
	ld	d,h
	ld	e,l
	lda	hl,8(sp)
	ld	a,(de)
	ld	(hl+),a
	inc	de
	ld	a,(de)
	ld	(hl+),a
	inc	de
	ld	a,(de)
	ld	(hl+),a
	inc	de
	ld	a,(de)
	ld	(hl),a
;atan2f.c:42: r+=(x<0.0?-HALF_PI:HALF_PI);
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
	ld	hl,#0x0000
	push	hl
	ld	hl,#0x0000
	push	hl
;	genIpush
;	AOP_STK for 
	lda	hl,20(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
	lda	hl,20(sp)
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
	push	hl
;	genCall
	call	___fslt
	ld	c,e
	lda	sp,8(sp)
;	genIfx
	xor	a,a
	or	a,c
	jp	Z,00113$
;	genAssign
;	AOP_STK for _atan2f_sloc1_1_0
	lda	hl,0(sp)
	ld	(hl),#0xBF
	inc	hl
	ld	(hl),#0xC9
	inc	hl
	ld	(hl),#0x0F
	inc	hl
	ld	(hl),#0xDB
;	genGoto
	jp	00114$
;	genLabel
00113$:
;	genAssign
;	AOP_STK for _atan2f_sloc1_1_0
	lda	hl,0(sp)
	ld	(hl),#0x3F
	inc	hl
	ld	(hl),#0xC9
	inc	hl
	ld	(hl),#0x0F
	inc	hl
	ld	(hl),#0xDB
;	genLabel
00114$:
;	genIpush
; _saveRegsForCall: sendSetSize: 0 deInUse: 0 bcInUse: 0 deSending: 0
;	AOP_STK for _atan2f_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 _atan2f_r_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	___fsadd
;	AOP_STK for _atan2f_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 _atan2f_sloc1_1_0
;	AOP_STK for _atan2f_r_1_1
	lda	hl,0(sp)
	ld	d,h
	ld	e,l
	lda	hl,8(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
;	genLabel
00108$:
;atan2f.c:44: return r;
;	genRet
;	AOP_STK for _atan2f_r_1_1
; Dump of IC_LEFT: type AOP_STK size 4
;	 aop_stk -4
	lda	hl,8(sp)
	ld	e,(hl)
	inc	hl
	ld	d,(hl)
	inc	hl
	ld	a,(hl+)
	ld	h,(hl)
	ld	l,a
;	genLabel
00109$:
;	genEndFunction
	lda	sp,12(sp)
	ret
_atan2f_end::
	.area _CODE
	.area _CABS
