Fixed several floating point routines; made a temporary fix to a long double linking bug; seperated float64 CRT routines; passed all floating_point autotests

Author: ZERICO2005

src/crt/daddsub.src

@@ -0,0 +1,46 @@
+	assume	adl=1
+
+	section	.text
+
+	public	__dadd, __dsub
+
+; float64_t softfloat_addMagsF64(float64_t x, const float64_t *y, bool sign_x)
+__dadd:
+	push	af
+	ld	a, b
+	jr	__daddsub
+
+; float64_t softfloat_subMagsF64(float64_t x, const float64_t *y, bool sign_x)
+__dsub:
+	push	af
+	ld	a, b
+	cpl
+;	jr	__daddsub
+
+__daddsub:
+	push	iy
+	ld	iy, 9
+	add	iy, sp
+
+	rlc	b
+	push	af	; sign_x
+	rrc	b
+
+	push	iy	; address of y
+	push	bc, de, hl	; pass x by value
+
+	xor a, (iy + 7)
+	rla
+
+	jr	nc, .__daddmags	; same signs
+; .__dsubmags:
+	call	_softfloat_subMagsF64
+	jr	.__daddsub_ret
+.__daddmags:
+	call	_softfloat_addMagsF64
+.__daddsub_ret:
+	pop	af, af, af, af, af
+	pop	iy, af
+	ret
+
+	extern	_softfloat_addMagsF64, _softfloat_subMagsF64

src/crt/ddiv.src

@@ -0,0 +1,17 @@
+	assume	adl=1
+
+	section	.text
+
+	public	__ddiv
+
+; float64_t f64_div(float64_t, const float64_t*)
+__ddiv:
+	push	af, iy
+	ld	iy, 9
+	add	iy, sp
+	push	iy, bc, de, hl
+	call	_f64_div
+	pop	af, af, af, af, iy, af
+	ret
+
+	extern	_f64_div

src/crt/dmul.src

@@ -0,0 +1,17 @@
+	assume	adl=1
+
+	section	.text
+
+	public	__dmul
+
+; float64_t f64_mul(float64_t, const float64_t*)
+__dmul:
+	push	af, iy
+	ld	iy, 9
+	add	iy, sp
+	push	iy, bc, de, hl
+	call	_f64_mul
+	pop	af, af, af, af, iy, af
+	ret
+
+	extern	_f64_mul

src/crt/drem.src

@@ -0,0 +1,17 @@
+	assume	adl=1
+
+	section	.text
+
+	public	__drem
+
+; float64_t f64_rem(float64_t, const float64_t*)
+__drem:
+	push	af, iy
+	ld	iy, 9
+	add	iy, sp
+	push	iy, bc, de, hl
+	call	_f64_drem
+	pop	af, af, af, af, iy, af
+	ret
+
+	extern	_f64_rem

src/crt/dtof.src

@@ -0,0 +1,14 @@
+	assume	adl=1
+
+	section	.text
+
+	public	__dtof
+
+__dtof:
+	; f64_ret_f32
+	push	af, iy, bc, de, hl
+	call	_f64_to_f32
+	pop	af, af, af, iy, af
+	ret
+
+	extern	_f64_to_f32

src/crt/dtol.src

@@ -0,0 +1,14 @@
+	assume	adl=1
+
+	section	.text
+
+	public	__dtol
+
+__dtol:
+	; f64_ret_i32
+	push	af, iy, bc, de, hl
+	call	__dtol_c
+	pop	af, af, af, iy, af
+	ret
+
+	extern	__dtol_c

src/crt/dtoll.src

@@ -0,0 +1,14 @@
+	assume	adl=1
+
+	section	.text
+
+	public	__dtoll
+
+__dtoll:
+	; f64_ret_i64
+	push	af, iy, bc, de, hl
+	call	__dtoll_c
+	pop	af, af, af, iy, af
+	ret
+
+	extern	__dtoll_c

src/crt/dtoul.src

@@ -0,0 +1,14 @@
+	assume	adl=1
+
+	section	.text
+
+	public	__dtoul
+
+__dtoul:
+	; f64_ret_u32
+	push	af, iy, bc, de, hl
+	call	__dtoul_c
+	pop	af, af, af, iy, af
+	ret
+
+	extern	__dtoul_c

src/crt/dtoull.src

@@ -0,0 +1,14 @@
+	assume	adl=1
+
+	section	.text
+
+	public	__dtoull
+
+__dtoull:
+	; f64_ret_u64
+	push	af, iy, bc, de, hl
+	call	__dtoull_c
+	pop	af, af, af, iy, af
+	ret
+
+	extern	__dtoull_c