vprintf.asm

很少见的源码公开的msc51和z80的c编译器。

;--------------------------------------------------------
; File Created by SDCC : FreeWare ANSI-C Compiler
; Version 2.3.0 Thu Sep 20 10:57:43 2001

;--------------------------------------------------------
	.module vprintf
	
.flat24 on		; 24 bit flat addressing
dpx = 0x93		; dpx register unknown to assembler
dps = 0x86		; dps register unknown to assembler
dpl1 = 0x84		; dpl1 register unknown to assembler
dph1 = 0x85		; dph1 register unknown to assembler
dpx1 = 0x95		; dpx1 register unknown to assembler
ap = 0x9C		; ap register unknown to assembler
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
	.globl _vprintf_PARM_2
	.globl _vsprintf_PARM_3
	.globl _vsprintf_PARM_2
	.globl _vsprintf
	.globl _vprintf
;--------------------------------------------------------
; special function registers
;--------------------------------------------------------
_P4	=	0x0080
_SP	=	0x0081
_DPL	=	0x0082
_DPH	=	0x0083
_DPL1	=	0x0084
_DPH1	=	0x0085
_DPS	=	0x0086
_PCON	=	0x0087
_TCON	=	0x0088
_TMOD	=	0x0089
_TL0	=	0x008a
_TL1	=	0x008b
_TH0	=	0x008c
_TH1	=	0x008d
_CKCON	=	0x008e
_P1	=	0x0090
_EXIF	=	0x0091
_P4CNT	=	0x0092
_DPX	=	0x0093
_DPX1	=	0x0095
_SCON0	=	0x0098
_SBUF0	=	0x0099
_ESP	=	0x009b
_AP	=	0x009c
_ACON	=	0x009d
_P2	=	0x00a0
_P5	=	0x00a1
_P5CNT	=	0x00a2
_IE	=	0x00a8
_P3	=	0x00b0
_IP	=	0x00b8
_SCON1	=	0x00c0
_SBUF1	=	0x00c1
_PMR	=	0x00c4
_MCON	=	0x00c6
_TA	=	0x00c7
_T2CON	=	0x00c8
_T2MOD	=	0x00c9
_RCAP2L	=	0x00ca
_RTL2	=	0x00ca
_RCAP2H	=	0x00cb
_RTH2	=	0x00cb
_TL2	=	0x00cc
_TH2	=	0x00cd
_PSW	=	0x00d0
_MCNT0	=	0x00d1
_MCNT1	=	0x00d2
_MA	=	0x00d3
_MB	=	0x00d4
_MC	=	0x00d5
_WDCON	=	0x00d8
_ACC	=	0x00e0
_EIE	=	0x00e8
_MXAX	=	0x00ea
_B	=	0x00f0
_EIP	=	0x00f8
;--------------------------------------------------------
; special function bits 
;--------------------------------------------------------
_IT0	=	0x0088
_IE0	=	0x0089
_IT1	=	0x008a
_IE1	=	0x008b
_TR0	=	0x008c
_TF0	=	0x008d
_TR1	=	0x008e
_TF1	=	0x008f
_T2	=	0x0090
_T2EX	=	0x0091
_RXD1	=	0x0092
_TXD1	=	0x0093
_INT2	=	0x0094
_INT3	=	0x0095
_INT4	=	0x0096
_INT5	=	0x0097
_RI_0	=	0x0098
_TI_0	=	0x0099
_RB8_0	=	0x009a
_TB8_0	=	0x009b
_REN_0	=	0x009c
_SM2_0	=	0x009d
_SM1_0	=	0x009e
_SM0_0	=	0x009f
_FE_0	=	0x009f
_EX0	=	0x00a8
_ET0	=	0x00a9
_EX1	=	0x00aa
_ET1	=	0x00ab
_ES0	=	0x00ac
_ET2	=	0x00ad
_ES1	=	0x00ae
_EA	=	0x00af
_RXD0	=	0x00b0
_TXD0	=	0x00b1
_INT0	=	0x00b2
_INT1	=	0x00b3
_T0	=	0x00b4
_T1	=	0x00b5
_WR	=	0x00b6
_RD	=	0x00b7
_PX0	=	0x00b8
_PT0	=	0x00b9
_PX1	=	0x00ba
_PT1	=	0x00bb
_PS0	=	0x00bc
_PT2	=	0x00bd
_PS1	=	0x00be
_RI_1	=	0x00c0
_TI_1	=	0x00c1
_RB8_1	=	0x00c2
_TB8_1	=	0x00c3
_REN_1	=	0x00c4
_SM2_1	=	0x00c5
_SM1_1	=	0x00c6
_SM0_1	=	0x00c7
_FE_1	=	0x00c7
_CP_RL	=	0x00c8
_C_T	=	0x00c9
_TR2	=	0x00ca
_EXEN2	=	0x00cb
_TCLK	=	0x00cc
_RCLK	=	0x00cd
_EXF2	=	0x00ce
_TF2	=	0x00cf
_P	=	0x00d0
_F1	=	0x00d1
_OV	=	0x00d2
_RS0	=	0x00d3
_RS1	=	0x00d4
_F0	=	0x00d5
_AC	=	0x00d6
_CY	=	0x00d7
_RWT	=	0x00d8
_EWT	=	0x00d9
_WTRF	=	0x00da
_PF1	=	0x00db
_EPF1	=	0x00dc
_POR	=	0x00de
_SMOD_1	=	0x00df
_EX2	=	0x00e8
_EX3	=	0x00e9
_EX4	=	0x00ea
_EX5	=	0x00eb
_EWDI	=	0x00ec
_C1IE	=	0x00ed
_C0IE	=	0x00ee
_CANBIE	=	0x00ef
_PX2	=	0x00f8
_PX3	=	0x00f9
_PX4	=	0x00fa
_PX5	=	0x00fb
_PWDI	=	0x00fc
_C1IP	=	0x00fd
_C0IP	=	0x00fe
_CANBIP	=	0x00ff
;--------------------------------------------------------
; internal ram data
;--------------------------------------------------------
	.area DSEG    (DATA)
_value:
	.ds 5
;--------------------------------------------------------
; overlayable items in internal ram 
;--------------------------------------------------------
	.area OSEG    (OVR,DATA)
;--------------------------------------------------------
; indirectly addressable internal ram data
;--------------------------------------------------------
	.area ISEG    (DATA)
;--------------------------------------------------------
; bit data
;--------------------------------------------------------
	.area BSEG    (BIT)
_output_to_string:
	.ds 1
_lower_case:
	.ds 1
_lsd:
	.ds 1
_vsprintf_left_justify_1_1:
	.ds 1
_vsprintf_zero_padding_1_1:
	.ds 1
_vsprintf_prefix_sign_1_1:
	.ds 1
_vsprintf_prefix_space_1_1:
	.ds 1
_vsprintf_signed_argument_1_1:
	.ds 1
_vsprintf_char_argument_1_1:
	.ds 1
_vsprintf_long_argument_1_1:
	.ds 1
_vsprintf_float_argument_1_1:
	.ds 1
;--------------------------------------------------------
; external ram data
;--------------------------------------------------------
	.area XSEG    (XDATA)
_output_ptr:
	.ds 4
_radix:
	.ds 1
_charsOutputted:
	.ds 2
_output_char_c_1_1:
	.ds 1
_output_digit_n_1_1:
	.ds 1
_output_2digits_b_1_1:
	.ds 1
_output_float_PARM_2:
	.ds 1
_output_float_PARM_3:
	.ds 1
_output_float_PARM_4:
	.ds 1
_output_float_PARM_5:
	.ds 1
_output_float_PARM_6:
	.ds 1
_output_float_PARM_7:
	.ds 1
_output_float_f_1_1:
	.ds 4
_output_float_negative_1_1::
	.ds 1
_output_float_integerPart_1_1::
	.ds 4
_output_float_decimalPart_1_1::
	.ds 4
_output_float_fpBuffer_1_1::
	.ds 128
_output_float_sloc0_1_0::
	.ds 4
_output_float_sloc1_1_0::
	.ds 4
_vsprintf_PARM_2::
	.ds 4
_vsprintf_PARM_3::
	.ds 4
_vsprintf_width_1_1::
	.ds 1
_vsprintf_length_1_1::
	.ds 1
_vsprintf_c_1_1::
	.ds 1
_vsprintf_sloc0_1_0::
	.ds 2
_vsprintf_sloc1_1_0::
	.ds 2
_vsprintf_sloc2_1_0::
	.ds 2
_vsprintf_sloc3_1_0::
	.ds 4
_vprintf_PARM_2::
	.ds 4
;--------------------------------------------------------
; global & static initialisations
;--------------------------------------------------------
	.area GSINIT  (CODE)
	.area GSFINAL (CODE)
	.area GSINIT  (CODE)
;--------------------------------------------------------
; Home
;--------------------------------------------------------
	.area HOME	 (CODE)
	.area CSEG    (CODE)
;--------------------------------------------------------
; code
;--------------------------------------------------------
	.area CSEG    (CODE)
;	vprintf.c 88
;	genFunction 
;	-----------------------------------------
;	 function output_char
;	-----------------------------------------
_output_char:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
;	vprintf.c 98
;	genReceive 
	mov	r2,dpl
;	vprintf.c 90
;	genIfx 
;	genIfxJump 
; Peephole 111   removed ljmp by inverse jump logic
	jnb  _output_to_string,00102$
00107$:
;	vprintf.c 92
;	genAssign 
	mov	dptr,#_output_ptr
;	genAssign: resultIsFar = FALSE
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	inc	dptr
	movx	a,@dptr
	mov	r6,a
;	genPlus 
	mov	dptr,#_output_ptr
	mov	a,#0x01
	add	a,r3
	movx	@dptr,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,r4
	inc	dptr
	movx	@dptr,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,r5
	inc	dptr
	movx	@dptr,a
	inc	dptr
	mov	a,r6
	movx	@dptr,a
;	genPointerSet 
	mov	dpl,r3
	mov	dph,r4
	mov	dpx,r5
	mov	b,r6
	mov	a,r2
	lcall	__gptrput
;	genGoto 
;	genLabel 
; Peephole 132   changed ljmp to sjmp
	sjmp 00103$
00102$:
;	vprintf.c 96
;	genCall 
	mov	dpl,r2
	lcall	_putchar
;	genLabel 
00103$:
;	vprintf.c 98
;	genAssign 
	mov	dptr,#_charsOutputted
;	genAssign: resultIsFar = FALSE
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
;	genPlus 
	mov	dptr,#_charsOutputted
	mov	a,#0x01
	add	a,r2
	movx	@dptr,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,r3
	inc	dptr
	movx	@dptr,a
;	genLabel 
00104$:
;	genEndFunction 
	ret
;	vprintf.c 103
;	genFunction 
;	-----------------------------------------
;	 function output_digit
;	-----------------------------------------
_output_digit:
;	vprintf.c 106
;	genReceive 
	mov	r2,dpl
;	vprintf.c 105
;	genCmpGt 
;	genCmp
	clr	c
;	genCmp #1: 0/0/0
	mov	a,#0x09
;	genCmp #2
;	genCmp #4
;	genCmp #4.2
	subb	a,r2
	clr	a
	rlc	a
;	genNot 
; Peephole 105   removed redundant mov
	mov  r3,a
	cjne	a,#0x01,00109$
00109$:
	clr	a
	rlc	a
;	genIfx 
; Peephole 105   removed redundant mov
	mov  r3,a
;	genIfxJump 
; Peephole 110   removed ljmp by inverse jump logic
	jz  00103$
00110$:
;	genPlus 
	mov	a,#0x30
	add	a,r2
	mov	r3,a
;	genGoto 
;	genLabel 
; Peephole 132   changed ljmp to sjmp
	sjmp 00104$
00103$:
;	vprintf.c 106
;	genIfx 
;	genIfxJump 
; Peephole 111   removed ljmp by inverse jump logic
	jnb  _lower_case,00105$
00111$:
;	genPlus 
	mov	a,#0x57
	add	a,r2
	mov	r4,a
;	genGoto 
;	genLabel 
; Peephole 132   changed ljmp to sjmp
	sjmp 00106$
00105$:
;	genPlus 
	mov	a,#0x37
	add	a,r2
	mov	r4,a
;	genLabel 
00106$:
;	genAssign 
;	genAssign: resultIsFar = FALSE
	mov	ar3,r4
;	genLabel 
00104$:
;	genAssign 
;	genAssign: resultIsFar = FALSE
;	genCall 
	mov	dpl,r3
	lcall	_output_char
;	genLabel 
00101$:
;	genEndFunction 
	ret
;	vprintf.c 111
;	genFunction 
;	-----------------------------------------
;	 function output_2digits
;	-----------------------------------------
_output_2digits:
;	vprintf.c 114
;	genReceive 
	mov	r2,dpl
;	vprintf.c 113
;	genRightShift 
;	genRightShiftLiteral (4), size 1
;	genrshOne
	mov	a,r2
	swap	a
	anl	a,#0x0f
	mov	r3,a
;	genCall 
	push	ar2
	mov	dpl,r3
	lcall	_output_digit
	pop	ar2
;	vprintf.c 114
;	genAnd 
	anl	ar2,#0x0F
;	genCall 
	mov	dpl,r2
	lcall	_output_digit
;	genLabel 
00101$:
;	genEndFunction 
	ret
;	vprintf.c 119
;	genFunction 
;	-----------------------------------------
;	 function calculate_digit
;	-----------------------------------------
_calculate_digit:
;	vprintf.c 123
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	r2,#0x20
;	genLabel 
00103$:
;	genCmpEq 
;	gencjneshort
	mov	a,r2
	cjne	a,#0x00,00112$
	ljmp	00107$
00112$:
;	vprintf.c 142
;	genInline 
	  clr c
	  mov a,_value+0
	  rlc a
	  mov _value+0,a
	  mov a,_value+1
	  rlc a
	  mov _value+1,a
	  mov a,_value+2
	  rlc a
	  mov _value+2,a
	  mov a,_value+3
	  rlc a
	  mov _value+3,a
	  mov a,_value+4
	  rlc a
	  mov _value+4,a
;	vprintf.c 144
;	genPointerGet 
; Peephole 221a remove redundant move
;	genCmpGt 
	mov	dptr,#_radix
;	genCmp
	clr	c
;	genCmp #1: 0/0/0
	mov	a,0x0004 + _value
;	genCmp #2
;	genCmp #4
;	genCmp #4.1
	xch	a, b
	movx	a,@dptr
	xch	a, b
	subb	a,b
;	genIfxJump 
; Peephole 132   changed ljmp to sjmp
; Peephole 160   removed sjmp by inverse jump logic
	jc   00105$
00113$:
;	vprintf.c 146
;	genPointerGet 
; Peephole 221a remove redundant move
;	genMinus 
	mov	dps, #0x01
	mov	dptr, #_radix
	dec	dps
	clr	c
	mov	a,0x0004 + _value
	xch	a, ap
	inc	dps
	movx	a,@dptr
	xch	a, ap
	subb	a,ap
	mov	dps, #0x00
;	genPointerSet 
	mov	(_value + 0x0004),a
;	vprintf.c 147
;	genPointerGet 
	mov	r3,_value
;	genPlus 
	mov	a,#0x01
	add	a,r3
;	genPointerSet 
	mov	_value,a
;	genLabel 
00105$:
;	vprintf.c 123
;	genMinus 
	dec	r2
;	genGoto 
	ljmp	00103$
;	genLabel 
00107$:
;	genEndFunction 
	ret
;	vprintf.c 164
;	genFunction 
;	-----------------------------------------
;	 function output_float
;	-----------------------------------------
_output_float:
;	vprintf.c 0
;	genReceive 
	mov	r2,dpl
	mov	r3,dph
	mov	r4,dpx
	mov	r5,b
;	vprintf.c 168
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	dptr,#_output_float_negative_1_1
; Peephole 180   changed mov to clr
	clr  a
	movx	@dptr,a
;	vprintf.c 172
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	r7,#0x00
;	vprintf.c 176
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	dptr,#___fslt_PARM_2
; Peephole 101   removed redundant mov
; Peephole 180   changed mov to clr
	clr  a
	movx @dptr,a
	inc  dptr
	movx @dptr,a
	inc	dptr
; Peephole 101   removed redundant mov
; Peephole 180   changed mov to clr
	clr  a
	movx @dptr,a
	inc  dptr
	movx @dptr,a
;	genCall 
	push	ar2
	push	ar3
	push	ar4
	push	ar5
	push	ar7
	mov	dpl,r2
	mov	dph,r3
	mov	dpx,r4
	mov	b,r5
	lcall	___fslt
	mov	r0,dpl
	pop	ar7
	pop	ar5
	pop	ar4
	pop	ar3
	pop	ar2
;	genIfx 
	mov	a,r0
;	genIfxJump 
; Peephole 110   removed ljmp by inverse jump logic
	jz  00102$
00207$:
;	vprintf.c 177
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	dptr,#_output_float_negative_1_1
	mov	a,#0x01
	movx	@dptr,a
;	vprintf.c 178
;	genUminus 
;	genUminusFloat
	mov	a,r5
	cpl	acc.7
	mov	r5,a
;	genLabel 
00102$:
;	vprintf.c 182
;	genIpush 
	push	ar7
;	genCall 
	push	ar2
	push	ar3
	push	ar4
	push	ar5
	mov	dpl,r2
	mov	dph,r3
	mov	dpx,r4
	mov	b,r5
	lcall	___fs2slong
	mov	r0,dpl
	mov	r1,dph
	mov	r7,dpx
	mov	r6,b
	pop	ar5
	pop	ar4
	pop	ar3
	pop	ar2
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	dptr,#_output_float_integerPart_1_1
	mov	a,r0
	movx	@dptr,a
	inc	dptr
	mov	a,r1
	movx	@dptr,a
	inc	dptr
	mov	a,r7
	movx	@dptr,a
	inc	dptr
	mov	a,r6
	movx	@dptr,a
;	vprintf.c 183
;	genCall 
	push	ar2
	push	ar3
	push	ar4
	push	ar5
	mov	dptr,#_output_float_integerPart_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	b,a
	mov	dpx,r4
	mov	dph,r3
	mov	dpl,r2
	lcall	___slong2fs
	mov	r6,dpl
	mov	r7,dph
	mov	r0,dpx
	mov	r1,b
	pop	ar5
	pop	ar4
	pop	ar3
	pop	ar2
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	dptr,#___fssub_PARM_2
	mov	a,r6
	movx	@dptr,a
	inc	dptr
	mov	a,r7
	movx	@dptr,a
	inc	dptr
	mov	a,r0
	movx	@dptr,a
	inc	dptr
	mov	a,r1
	movx	@dptr,a
;	genCall 
	push	ar7
	mov	dpl,r2
	mov	dph,r3
	mov	dpx,r4
	mov	b,r5
	lcall	___fssub
	mov	r2,dpl
	mov	r3,dph
	mov	r4,dpx
	mov	r5,b
	pop	ar7
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	dptr,#_output_float_decimalPart_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
;	vprintf.c 252
;	genIpop 
	pop	ar7
;	vprintf.c 186
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	r2,#0x00
;	genLabel 
00103$:
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	ar7,r2
;	genIfx 
	mov	dptr,#_output_float_integerPart_1_1
	push	b
	movx	a,@dptr
	mov	b, a
	inc	dptr
	movx	a,@dptr
	orl	b,a
	inc	dptr
	movx	a,@dptr
	orl	b,a
	inc	dptr
	movx	a,@dptr
	orl	b,a
	mov	a,b
	pop	b
;	genIfxJump 
	jnz	00208$
	ljmp	00105$
00208$:
;	vprintf.c 187
;	genAssign 
;	genAssign: resultIsFar = FALSE
	mov	ar3,r2
;	genPlus 
	inc	r2