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📄 printfl.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
💻 ASM
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;--------------------------------------------------------
; File Created by SDCC : FreeWare ANSI-C Compiler
; Version 2.3.1-pj3 Sun Jan 20 13:10:21 2002

;--------------------------------------------------------
	.module printfl
	
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
	.globl _printf_small
;--------------------------------------------------------
; special function registers
;--------------------------------------------------------
_P0	=	0x0080
_SP	=	0x0081
_DPL	=	0x0082
_DPH	=	0x0083
_PCON	=	0x0087
_TCON	=	0x0088
_TMOD	=	0x0089
_TL0	=	0x008a
_TL1	=	0x008b
_TH0	=	0x008c
_TH1	=	0x008d
_P1	=	0x0090
_SCON	=	0x0098
_SBUF	=	0x0099
_P2	=	0x00a0
_IE	=	0x00a8
_P3	=	0x00b0
_IP	=	0x00b8
_PSW	=	0x00d0
_ACC	=	0x00e0
_B	=	0x00f0
;--------------------------------------------------------
; special function bits 
;--------------------------------------------------------
_P0_0	=	0x0080
_P0_1	=	0x0081
_P0_2	=	0x0082
_P0_3	=	0x0083
_P0_4	=	0x0084
_P0_5	=	0x0085
_P0_6	=	0x0086
_P0_7	=	0x0087
_IT0	=	0x0088
_IE0	=	0x0089
_IT1	=	0x008a
_IE1	=	0x008b
_TR0	=	0x008c
_TF0	=	0x008d
_TR1	=	0x008e
_TF1	=	0x008f
_P1_0	=	0x0090
_P1_1	=	0x0091
_P1_2	=	0x0092
_P1_3	=	0x0093
_P1_4	=	0x0094
_P1_5	=	0x0095
_P1_6	=	0x0096
_P1_7	=	0x0097
_RI	=	0x0098
_TI	=	0x0099
_RB8	=	0x009a
_TB8	=	0x009b
_REN	=	0x009c
_SM2	=	0x009d
_SM1	=	0x009e
_SM0	=	0x009f
_P2_0	=	0x00a0
_P2_1	=	0x00a1
_P2_2	=	0x00a2
_P2_3	=	0x00a3
_P2_4	=	0x00a4
_P2_5	=	0x00a5
_P2_6	=	0x00a6
_P2_7	=	0x00a7
_EX0	=	0x00a8
_ET0	=	0x00a9
_EX1	=	0x00aa
_ET1	=	0x00ab
_ES	=	0x00ac
_EA	=	0x00af
_P3_0	=	0x00b0
_P3_1	=	0x00b1
_P3_2	=	0x00b2
_P3_3	=	0x00b3
_P3_4	=	0x00b4
_P3_5	=	0x00b5
_P3_6	=	0x00b6
_P3_7	=	0x00b7
_RXD	=	0x00b0
_TXD	=	0x00b1
_INT0	=	0x00b2
_INT1	=	0x00b3
_T0	=	0x00b4
_T1	=	0x00b5
_WR	=	0x00b6
_RD	=	0x00b7
_PX0	=	0x00b8
_PT0	=	0x00b9
_PX1	=	0x00ba
_PT1	=	0x00bb
_PS	=	0x00bc
_P	=	0x00d0
_F1	=	0x00d1
_OV	=	0x00d2
_RS0	=	0x00d3
_RS1	=	0x00d4
_F0	=	0x00d5
_AC	=	0x00d6
_CY	=	0x00d7
;--------------------------------------------------------
; internal ram data
;--------------------------------------------------------
	.area DSEG    (DATA)
_ch:
	.ds 1
_radix:
	.ds 1
_str:
	.ds 3
_val:
	.ds 4
;--------------------------------------------------------
; overlayable items in internal ram 
;--------------------------------------------------------
	.area OSEG    (OVR,DATA)
;--------------------------------------------------------
; indirectly addressable internal ram data
;--------------------------------------------------------
	.area ISEG    (DATA)
;--------------------------------------------------------
; bit data
;--------------------------------------------------------
	.area BSEG    (BIT)
_long_flag:
	.ds 1
_string_flag:
	.ds 1
_char_flag:
	.ds 1
_sign:
	.ds 1
;--------------------------------------------------------
; external ram data
;--------------------------------------------------------
	.area XSEG    (XDATA)
_pval_lval_1_1::
	.ds 4
;--------------------------------------------------------
; external initialized ram data
;--------------------------------------------------------
	.area XISEG   (XDATA)
;--------------------------------------------------------
; global & static initialisations
;--------------------------------------------------------
	.area GSINIT  (CODE)
	.area GSFINAL (CODE)
	.area GSINIT  (CODE)
;	printfl.c 52
;	genAssign
	clr	_long_flag
;	printfl.c 53
;	genAssign
	clr	_string_flag
;	printfl.c 54
;	genAssign
	clr	_char_flag
;--------------------------------------------------------
; Home
;--------------------------------------------------------
	.area HOME    (CODE)
	.area CSEG    (CODE)
;--------------------------------------------------------
; code
;--------------------------------------------------------
	.area CSEG    (CODE)
;------------------------------------------------------------
;Allocation info for local variables in function 'pval'
;------------------------------------------------------------
;sp                        Allocated to in memory with name '_pval_sp_1_1'
;lval                      Allocated to in memory with name '_pval_lval_1_1'
;	printfl.c 59
;	-----------------------------------------
;	 function pval
;	-----------------------------------------
_pval:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
;	printfl.c 63
;	genAssign
	mov	r2,_SP
;	printfl.c 65
;	genCmpLt
;	genCmp
	mov	a,(_val + 3)
;	genIfxJump
; Peephole 111   removed ljmp by inverse jump logic
	jnb  acc.7,00102$
00132$:
;	genCmpEq
	mov	a,_radix
	cjne	a,#0x10,00133$
; Peephole 132   changed ljmp to sjmp
	sjmp 00102$
00133$:
;	printfl.c 67
;	genUminus
	mov	dptr,#_pval_lval_1_1
	clr	c
	clr	a
	subb	a,_val
	movx	@dptr,a
	clr	a
	subb	a,(_val + 1)
	inc	dptr
	movx	@dptr,a
	clr	a
	subb	a,(_val + 2)
	inc	dptr
	movx	@dptr,a
	clr	a
	subb	a,(_val + 3)
	inc	dptr
	movx	@dptr,a
;	printfl.c 68
;	genAssign
	setb	_sign
; Peephole 132   changed ljmp to sjmp
	sjmp 00103$
00102$:
;	printfl.c 70
;	genAssign
	clr	_sign
;	genAssign
	mov	dptr,#_pval_lval_1_1
	mov	a,_val
	movx	@dptr,a
	inc	dptr
	mov	a,(_val + 1)
	movx	@dptr,a
	inc	dptr
	mov	a,(_val + 2)
	movx	@dptr,a
	inc	dptr
	mov	a,(_val + 3)
	movx	@dptr,a
00103$:
;	printfl.c 72
;	genIfx
;	genIfxJump
; Peephole 112   removed ljmp by inverse jump logic
	jb   _long_flag,00106$
00134$:
;	printfl.c 73
;	genAssign
	mov	dptr,#_pval_lval_1_1
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	inc	dptr
	movx	a,@dptr
	mov	r6,a
;	genAnd
	mov	dptr,#_pval_lval_1_1
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r4
	movx	@dptr,a
	inc	dptr
; Peephole 101   removed redundant mov
; Peephole 180   changed mov to clr
	clr  a
	movx @dptr,a
	inc  dptr
	movx @dptr,a
00106$:
;	printfl.c 75
;	genIfx
;	genIfxJump
; Peephole 111   removed ljmp by inverse jump logic
	jnb  _char_flag,00127$
00135$:
;	printfl.c 76
;	genAssign
	mov	dptr,#_pval_lval_1_1
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	inc	dptr
	movx	a,@dptr
	mov	r6,a
;	genAnd
	mov	dptr,#_pval_lval_1_1
	mov	a,r3
	movx	@dptr,a
	inc	dptr
; Peephole 101   removed redundant mov
; Peephole 180   changed mov to clr
; Peephole 180   changed mov to clr
; Peephole 226   removed unnecessary clr
	clr     a
	movx    @dptr,a
	inc     dptr
	movx    @dptr,a
	inc     dptr
	movx	@dptr,a
;	printfl.c 79
00127$:
00112$:
;	printfl.c 82
;	genCmpEq
	mov	a,_radix
	cjne	a,#0x10,00136$
	ljmp	00110$
00136$:
;	genAssign
	mov	dptr,#_pval_lval_1_1
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	inc	dptr
	movx	a,@dptr
	mov	r6,a
;	genCast
	mov	dptr,#__modulong_PARM_2
	mov	a,_radix
	movx	@dptr,a
	mov	a,_radix
	rlc	a
	subb	a,acc
	inc	dptr
	movx	@dptr,a
	inc	dptr
	movx	@dptr,a
	inc	dptr
	movx	@dptr,a
;	genCall
	mov	dpl,r3
	mov	dph,r4
	mov	b,r5
	mov	a,r6
	push	ar2
	lcall	__modulong
	mov	r3,dpl
	mov	r4,dph
	mov	r5,b
	mov	r6,a
	pop	ar2
;	genPlus
	mov	a,#0x30
	add	a,r3
	mov	r3,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,r4
	mov	r4,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,r5
	mov	r5,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,r6
	mov	r6,a
;	genCast
	mov	_ch,r3
; Peephole 132   changed ljmp to sjmp
	sjmp 00111$
00110$:
;	printfl.c 83
;	genAssign
	mov	dptr,#_pval_lval_1_1
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	inc	dptr
	movx	a,@dptr
	mov	r6,a
;	genCast
;	genAnd
	anl	ar3,#0x0F
;	genPlus
	mov	a,r3
; Peephole 180   changed mov to clr
;	genPointerGet
;	genCodePointerGet
; Peephole 186   optimized movc sequence
	mov  dptr,#__str_0
	movc a,@a+dptr
	mov	_ch,a
00111$:
;	printfl.c 84
;	genInline
	 push _ch 
;	printfl.c 85
;	genAssign
	mov	dptr,#_pval_lval_1_1
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	inc	dptr
	movx	a,@dptr
	mov	r6,a
;	genCast
	mov	dptr,#__divulong_PARM_2
	mov	a,_radix
	movx	@dptr,a
	mov	a,_radix
	rlc	a
	subb	a,acc
	inc	dptr
	movx	@dptr,a
	inc	dptr
	movx	@dptr,a
	inc	dptr
	movx	@dptr,a
;	genCall
	mov	dpl,r3
	mov	dph,r4
	mov	b,r5
	mov	a,r6
	push	ar2
	lcall	__divulong
	mov	r3,dpl
	mov	r4,dph
	mov	r5,b
	mov	r6,a
	pop	ar2
;	genAssign
	mov	dptr,#_pval_lval_1_1
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
	inc	dptr
	mov	a,r6
	movx	@dptr,a
;	printfl.c 94
;	genIfx
	mov	a,r3
	orl	a,r4
	orl	a,r5
	orl	a,r6
;	genIfxJump
	jz	00137$
	ljmp	00112$
00137$:
;	printfl.c 96
;	genIfx
;	genIfxJump
; Peephole 111   removed ljmp by inverse jump logic
	jnb  _sign,00117$
00138$:
;	printfl.c 97
;	genAssign
	mov	_ch,#0x2D
;	printfl.c 98
;	genInline
	 push _ch 
;	printfl.c 101
00117$:
;	genCmpEq
	mov	a,r2
	cjne	a,_SP,00139$

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