_fsadd.asm

很少见的源码公开的msc51和z80的c编译器。

	subb	a,r3
	mov	r3,a
	mov	dptr,#___fsadd_mant2_1_1
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	inc	dptr
	movx	a,@dptr
	mov	r6,a
	inc	dptr
	movx	a,@dptr
	mov	r7,a
	mov	b,r2
	inc	b
	mov	a,r7
	rlc	a
	mov	ov,c
	sjmp	00154$
00153$:
	mov	c,ov
	mov	a,r7
	rrc	a
	mov	r7,a
	mov	a,r6
	rrc	a
	mov	r6,a
	mov	a,r5
	rrc	a
	mov	r5,a
	mov	a,r4
	rrc	a
	mov	r4,a
00154$:
	djnz	b,00153$
	mov	dptr,#___fsadd_mant2_1_1
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
	inc	dptr
	mov	a,r6
	movx	@dptr,a
	inc	dptr
	mov	a,r7
	movx	@dptr,a
	ljmp	00115$
00114$:
;	_fsadd.c 56
	mov	dptr,#___fsadd_exp1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	mov	dptr,#___fsadd_exp2_1_1
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	clr	c
	mov	a,r4
	subb	a,r2
	mov	r2,a
	mov	a,r5
	subb	a,r3
	mov	r3,a
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	inc	dptr
	movx	a,@dptr
	mov	r6,a
	inc	dptr
	movx	a,@dptr
	mov	r7,a
	mov	b,r2
	inc	b
	mov	a,r7
	rlc	a
	mov	ov,c
	sjmp	00156$
00155$:
	mov	c,ov
	mov	a,r7
	rrc	a
	mov	r7,a
	mov	a,r6
	rrc	a
	mov	r6,a
	mov	a,r5
	rrc	a
	mov	r5,a
	mov	a,r4
	rrc	a
	mov	r4,a
00156$:
	djnz	b,00155$
	mov	dptr,#___fsadd_mant1_1_1
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
	inc	dptr
	mov	a,r6
	movx	@dptr,a
	inc	dptr
	mov	a,r7
	movx	@dptr,a
;	_fsadd.c 57
	mov	dptr,#___fsadd_exp2_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	mov	dptr,#___fsadd_exp1_1_1
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
00115$:
;	_fsadd.c 59
	mov	dptr,#___fsadd_mant2_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r6,a
	inc	dptr
	movx	a,@dptr
	mov	r7,a
	inc	dptr
	movx	a,@dptr
	mov	r0,a
	inc	dptr
	movx	a,@dptr
	mov	r1,a
	mov	dptr,#___fsadd_mant1_1_1
	mov	a,r2
	add	a,r6
	movx	@dptr,a
	mov	a,r3
	addc	a,r7
	inc	dptr
	movx	@dptr,a
	mov	a,r4
	addc	a,r0
	inc	dptr
	movx	@dptr,a
	mov	a,r5
	addc	a,r1
	inc	dptr
	movx	@dptr,a
;	_fsadd.c 61
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
; Peephole 105   removed redundant mov
	mov  r5,a
; Peephole 111   removed ljmp by inverse jump logic
	jnb  acc.7,00119$
00157$:
;	_fsadd.c 63
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	mov	dptr,#___fsadd_mant1_1_1
	clr	c
	clr	a
	subb	a,r2
	movx	@dptr,a
	clr	a
	subb	a,r3
	inc	dptr
	movx	@dptr,a
	clr	a
	subb	a,r4
	inc	dptr
	movx	@dptr,a
	clr	a
	subb	a,r5
	inc	dptr
	movx	@dptr,a
;	_fsadd.c 64
	mov	dptr,#___fsadd_sign_1_1
; Peephole 101   removed redundant mov
; Peephole 180   changed mov to clr
; Peephole 180   changed mov to clr
; Peephole 226   removed unnecessary clr
	clr     a
	movx    @dptr,a
	inc     dptr
	movx    @dptr,a
	inc     dptr
	movx	@dptr,a
	inc	dptr
	mov	a,#0x80
	movx	@dptr,a
; Peephole 132   changed ljmp to sjmp
	sjmp 00121$
00119$:
;	_fsadd.c 66
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	mov	a,r2
	orl	a,r3
	orl	a,r4
	orl	a,r5
; Peephole 109   removed ljmp by inverse jump logic
	jnz  00121$
00158$:
;	_fsadd.c 67
; Peephole 3.a   changed mov to clr
; Peephole 3.b   changed mov to clr
; Peephole 3.b   changed mov to clr
	clr  a
	mov  dpl,a
	mov  dph,a
	mov  b,a
	ljmp	00128$
;	_fsadd.c 70
00121$:
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
; Peephole 105   removed redundant mov
	mov  r5,a
	anl	a,#0xE0
; Peephole 162   removed sjmp by inverse jump logic
	jz   00160$
00159$:
	ljmp	00123$
00160$:
;	_fsadd.c 72
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	mov	a,r2
	add	a,acc
	mov	r2,a
	mov	a,r3
	rlc	a
	mov	r3,a
	mov	a,r4
	rlc	a
	mov	r4,a
	mov	a,r5
	rlc	a
	mov	r5,a
	mov	dptr,#___fsadd_mant1_1_1
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
;	_fsadd.c 73
	mov	dptr,#___fsadd_exp1_1_1
	movx	a,@dptr
	add	a,#0xff
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	addc	a,#0xff
	mov	r3,a
	mov	dptr,#___fsadd_exp1_1_1
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
	ljmp	00121$
00123$:
;	_fsadd.c 77
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
; Peephole 105   removed redundant mov
	mov  r5,a
	jb	acc.6,00161$
	ljmp	00125$
00161$:
;	_fsadd.c 79
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
; Peephole 105   removed redundant mov
	mov  r5,a
	mov	c,acc.7
	rrc	a
	mov	r5,a
	mov	a,r4
	rrc	a
	mov	r4,a
	mov	a,r3
	rrc	a
	mov	r3,a
	mov	a,r2
	rrc	a
; Peephole 100   removed redundant mov
	mov  r2,a
	mov  dptr,#___fsadd_mant1_1_1
	movx @dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
;	_fsadd.c 80
	mov	dptr,#___fsadd_exp1_1_1
	movx	a,@dptr
	add	a,#0x01
	movx	@dptr,a
	inc	dptr
	movx	a,@dptr
	addc	a,#0x00
	movx	@dptr,a
00125$:
;	_fsadd.c 84
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	mov	a,r2
; Peephole 111   removed ljmp by inverse jump logic
	jnb  acc.6,00130$
00162$:
	mov	r2,#0x20
	mov	r3,#0x00
	mov	r4,#0x00
	mov	r5,#0x00
; Peephole 132   changed ljmp to sjmp
	sjmp 00131$
00130$:
	mov	r2,#0x1F
	mov	r3,#0x00
	mov	r4,#0x00
	mov	r5,#0x00
00131$:
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r6,a
	inc	dptr
	movx	a,@dptr
	mov	r7,a
	inc	dptr
	movx	a,@dptr
	mov	r0,a
	inc	dptr
	movx	a,@dptr
	mov	r1,a
	mov	dptr,#___fsadd_mant1_1_1
	mov	a,r2
	add	a,r6
	movx	@dptr,a
	mov	a,r3
	addc	a,r7
	inc	dptr
	movx	@dptr,a
	mov	a,r4
	addc	a,r0
	inc	dptr
	movx	@dptr,a
	mov	a,r5
	addc	a,r1
	inc	dptr
	movx	@dptr,a
;	_fsadd.c 87
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
; Peephole 105   removed redundant mov
	mov  r5,a
	jb	acc.6,00163$
	ljmp	00127$
00163$:
;	_fsadd.c 89
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
; Peephole 105   removed redundant mov
	mov  r5,a
	mov	c,acc.7
	rrc	a
	mov	r5,a
	mov	a,r4
	rrc	a
	mov	r4,a
	mov	a,r3
	rrc	a
	mov	r3,a
	mov	a,r2
	rrc	a
; Peephole 100   removed redundant mov
	mov  r2,a
	mov  dptr,#___fsadd_mant1_1_1
	movx @dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
;	_fsadd.c 90
	mov	dptr,#___fsadd_exp1_1_1
	movx	a,@dptr
	add	a,#0x01
	movx	@dptr,a
	inc	dptr
	movx	a,@dptr
	addc	a,#0x00
	movx	@dptr,a
00127$:
;	_fsadd.c 94
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	mov	a,r3
	mov	c,acc.7
	xch	a,r2
	rlc	a
	xch	a,r2
	rlc	a
	xch	a,r2
	rlc	a
	xch	a,r2
	rlc	a
	xch	a,r2
	anl	a,#0x03
	mov	r3,a
	mov	a,r4
	add	a,acc
	add	a,acc
	orl	a,r3
	mov	r3,a
	mov	a,r5
	mov	c,acc.7
	xch	a,r4
	rlc	a
	xch	a,r4
	rlc	a
	xch	a,r4
	rlc	a
	xch	a,r4
	rlc	a
	xch	a,r4
	anl	a,#0x03
	jnb	acc.1,00164$
	orl	a,#0xfc
00164$:
	mov	r5,a
	mov	dptr,#___fsadd_mant1_1_1
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
;	_fsadd.c 97
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	mov	dptr,#___fsadd_mant1_1_1
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
	mov	a,#0x7F
	anl	a,r4
	inc	dptr
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
;	_fsadd.c 100
	mov	dptr,#___fsadd_exp1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
; Peephole 105   removed redundant mov
	mov  r3,a
	rlc	a
	subb	a,acc
	mov	r4,a
	mov	r5,a
	mov	ar4,r2
	mov	a,r3
	anl	a,#0x01
	mov	c,acc.0
	xch	a,r4
	rrc	a
	xch	a,r4
	rrc	a
	xch	a,r4
	mov	r5,a
	mov	r3,#0x00
	mov	r2,#0x00
	mov	dptr,#___fsadd_sign_1_1
	movx	a,@dptr
	mov	r6,a
	inc	dptr
	movx	a,@dptr
	mov	r7,a
	inc	dptr
	movx	a,@dptr
	mov	r0,a
	inc	dptr
	movx	a,@dptr
	mov	r1,a
	mov	a,r6
	orl	ar2,a
	mov	a,r7
	orl	ar3,a
	mov	a,r0
	orl	ar4,a
	mov	a,r1
	orl	ar5,a
	mov	dptr,#___fsadd_mant1_1_1
	movx	a,@dptr
	mov	r6,a
	inc	dptr
	movx	a,@dptr
	mov	r7,a
	inc	dptr
	movx	a,@dptr
	mov	r0,a
	inc	dptr
	movx	a,@dptr
	mov	r1,a
	mov	a,r6
	orl	ar2,a
	mov	a,r7
	orl	ar3,a
	mov	a,r0
	orl	ar4,a
	mov	a,r1
	orl	ar5,a
	mov	dptr,#___fsadd_fl1_1_1
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
;	_fsadd.c 101
	mov	dptr,#___fsadd_fl1_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
; Peephole 191   removed redundant mov
	mov  r5,a
	mov  dpl,r2
	mov  dph,r3
	mov  b,r4
00128$:
	ret
	.area CSEG    (CODE)