floorf.asm

sdcc的win版本.是small device c compiler的意思.支持8051和z80.是一个遵循GPL的软件,不过他的库函数是LGPL的,允许商业联结,可以用在自己的软件里

;--------------------------------------------------------
; File Created by SDCC : FreeWare ANSI-C Compiler
; Version 2.3.1-pj3 Sun Jan 20 13:10:11 2002

;--------------------------------------------------------
	.module floorf
	
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
	.globl _floorf
;--------------------------------------------------------
; special function registers
;--------------------------------------------------------
;--------------------------------------------------------
; special function bits 
;--------------------------------------------------------
;--------------------------------------------------------
; internal ram data
;--------------------------------------------------------
	.area DSEG    (DATA)
;--------------------------------------------------------
; overlayable items in internal ram 
;--------------------------------------------------------
	.area OSEG    (OVR,DATA)
;--------------------------------------------------------
; indirectly addressable internal ram data
;--------------------------------------------------------
	.area ISEG    (DATA)
;--------------------------------------------------------
; bit data
;--------------------------------------------------------
	.area BSEG    (BIT)
;--------------------------------------------------------
; external ram data
;--------------------------------------------------------
	.area XSEG    (XDATA)
;--------------------------------------------------------
; external initialized ram data
;--------------------------------------------------------
	.area XISEG   (XDATA)
;--------------------------------------------------------
; global & static initialisations
;--------------------------------------------------------
	.area GSINIT  (CODE)
	.area GSFINAL (CODE)
	.area GSINIT  (CODE)
;--------------------------------------------------------
; Home
;--------------------------------------------------------
	.area HOME    (CODE)
	.area CSEG    (CODE)
;--------------------------------------------------------
; code
;--------------------------------------------------------
	.area CSEG    (CODE)
;------------------------------------------------------------
;Allocation info for local variables in function 'floorf'
;------------------------------------------------------------
;x                         Allocated to stack - offset 1
;r                         Allocated to stack - offset 5
;	floorf.c 23
;	-----------------------------------------
;	 function floorf
;	-----------------------------------------
_floorf:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
	push	_bp
	mov	_bp,sp
	mov	ar0,a
	mov	a,sp
	add	a,#0x08
	mov	sp,a
	mov	a,ar0
;	floorf.c 0
;	genReceive
	push	acc
; Peephole 212  reduced add sequence to inc
	mov  r0,_bp
	inc  r0
	pop	acc
	mov	@r0,dpl
	inc	r0
	mov	@r0,dph
	inc	r0
	mov	@r0,b
	inc	r0
	mov	@r0,a
;	floorf.c 26
;	genCall
; Peephole 212  reduced add sequence to inc
	mov  r0,_bp
	inc  r0
	mov	dpl,@r0
	inc	r0
	mov	dph,@r0
	inc	r0
	mov	b,@r0
	inc	r0
	mov	a,@r0
	lcall	___fs2slong
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
	mov	r5,a
;	genAssign
	mov	a,_bp
	add	a,#0x05
	mov	r0,a
	mov	@r0,ar2
	inc	r0
	mov	@r0,ar3
	inc	r0
	mov	@r0,ar4
	inc	r0
	mov	@r0,ar5
;	floorf.c 27
;	genCmpGt
	mov	a,_bp
	add	a,#0x05
	mov	r0,a
;	genCmp
	clr	c
; Peephole 180   changed mov to clr
	clr  a
	subb	a,@r0
; Peephole 180   changed mov to clr
	clr  a
	inc	r0
	subb	a,@r0
; Peephole 180   changed mov to clr
	clr  a
	inc	r0
	subb	a,@r0
; Peephole 159   avoided xrl during execution
	mov  a,#(0x00 ^ 0x80)
	inc	r0
	mov	b,@r0
	xrl	b,#0x80
	subb	a,b
;	genIfxJump
	jnc	00110$
	ljmp	00102$
00110$:
;	floorf.c 28
;	genIpush
;	genCall
	mov	a,_bp
	add	a,#0x05
	mov	r0,a
	mov	dpl,@r0
	inc	r0
	mov	dph,@r0
	inc	r0
	mov	b,@r0
	inc	r0
	mov	a,@r0
	lcall	___slong2fs
	mov	r4,dpl
	mov	r5,dph
	mov	r2,b
	mov	r3,a
;	genAssign
; Peephole 212  reduced add sequence to inc
	mov  r0,_bp
	inc  r0
	mov	___fsgt_PARM_2,@r0
	inc	r0
	mov	(___fsgt_PARM_2 + 1),@r0
	inc	r0
	mov	(___fsgt_PARM_2 + 2),@r0
	inc	r0
	mov	(___fsgt_PARM_2 + 3),@r0
;	genCall
	mov	dpl,r4
	mov	dph,r5
	mov	b,r2
	mov	a,r3
	lcall	___fsgt
	mov	a,dpl
;	genIpop
;	genIfx
;	genIfxJump
; Peephole 110   removed ljmp by inverse jump logic
	jz  00106$
00111$:
;	genAssign
	mov	r4,#0xFF
; Peephole 132   changed ljmp to sjmp
	sjmp 00107$
00106$:
;	genAssign
	mov	r4,#0x00
00107$:
;	genCast
	mov	a,r4
	rlc	a
	subb	a,acc
	mov	r5,a
	mov	r2,a
	mov	r3,a
;	genPlus
	mov	a,_bp
	add	a,#0x05
	mov	r0,a
	mov	a,r4
	add	a,@r0
	mov	r4,a
	mov	a,r5
	inc	r0
	addc	a,@r0
	mov	r5,a
	mov	a,r2
	inc	r0
	addc	a,@r0
	mov	r2,a
	mov	a,r3
	inc	r0
	addc	a,@r0
;	genCall
; Peephole 191   removed redundant mov
	mov  r3,a
	mov  dpl,r4
	mov  dph,r5
	mov  b,r2
	lcall	___slong2fs
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
;	genRet
; Peephole 191   removed redundant mov
	mov  r5,a
	mov  dpl,r2
	mov  dph,r3
	mov  b,r4
; Peephole 132   changed ljmp to sjmp
	sjmp 00104$
00102$:
;	floorf.c 30
;	genCall
	mov	a,_bp
	add	a,#0x05
	mov	r0,a
	mov	dpl,@r0
	inc	r0
	mov	dph,@r0
	inc	r0
	mov	b,@r0
	inc	r0
	mov	a,@r0
	lcall	___slong2fs
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
;	genRet
; Peephole 191   removed redundant mov
	mov  r5,a
	mov  dpl,r2
	mov  dph,r3
	mov  b,r4
00104$:
	mov	sp,_bp
	pop	_bp
	ret
	.area CSEG    (CODE)
	.area	XINIT   (CODE)