printfl.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 10:57:41 2001

;--------------------------------------------------------
	.module printfl
	
.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 _printf_small
;--------------------------------------------------------
; 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)
_ch:
	.ds 1
_radix:
	.ds 1
_str:
	.ds 4
_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)
_printf_small_sloc0_1_0:
	.ds 4
_printf_small_sloc1_1_0:
	.ds 4
_printf_small_sloc2_1_0:
	.ds 1
_printf_small_sloc3_1_0:
	.ds 4
;--------------------------------------------------------
; global & static initialisations
;--------------------------------------------------------
	.area GSINIT  (CODE)
	.area GSFINAL (CODE)
	.area GSINIT  (CODE)
;	printfl.c 52
;	genAssign 
;	genAssign: resultIsFar = FALSE
	clr	_long_flag
;	printfl.c 53
;	genAssign 
;	genAssign: resultIsFar = FALSE
	clr	_string_flag
;	printfl.c 54
;	genAssign 
;	genAssign: resultIsFar = FALSE
	clr	_char_flag
;--------------------------------------------------------
; Home
;--------------------------------------------------------
	.area HOME	 (CODE)
	.area CSEG    (CODE)
;--------------------------------------------------------
; code
;--------------------------------------------------------
	.area CSEG    (CODE)
;	printfl.c 59
;	genFunction 
;	-----------------------------------------
;	 function pval
;	-----------------------------------------
_pval:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
;	printfl.c 63
;	genAssign 
;	genAssign: resultIsFar = TRUE
	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$:
;	genCmpEq 
;	gencjneshort
	mov	a,_radix
	cjne	a,#0x10,00133$
; Peephole 132   changed ljmp to sjmp
	sjmp 00102$
00133$:
;	printfl.c 67
;	genUminus 
	clr	c
	clr	a
	subb	a,_val
	mov	r3,a
	clr	a
	subb	a,(_val + 1)
	mov	r4,a
	clr	a
	subb	a,(_val + 2)
	mov	r5,a
	clr	a
	subb	a,(_val + 3)
	mov	r6,a
;	printfl.c 68
;	genAssign 
;	genAssign: resultIsFar = FALSE
	setb	_sign
;	genGoto 
;	genLabel 
; Peephole 132   changed ljmp to sjmp
	sjmp 00103$
00102$:
;	printfl.c 70
;	genAssign 
;	genAssign: resultIsFar = FALSE
	clr	_sign
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	r3,_val
	mov	r4,(_val + 1)
	mov	r5,(_val + 2)
	mov	r6,(_val + 3)
;	genLabel 
00103$:
;	printfl.c 72
;	genIfx 
;	genIfxJump 
; Peephole 112   removed ljmp by inverse jump logic
	jb   _long_flag,00106$
00134$:
;	printfl.c 73
;	genAnd 
	mov	r5,#0x00
	mov	r6,#0x00
;	genLabel 
00106$:
;	printfl.c 75
;	genIfx 
;	genIfxJump 
; Peephole 111   removed ljmp by inverse jump logic
	jnb  _char_flag,00127$
00135$:
;	printfl.c 76
;	genAnd 
	mov	r4,#0x00
	mov	r5,#0x00
	mov	r6,#0x00
;	printfl.c 79
;	genLabel 
00127$:
;	genLabel 
00112$:
;	printfl.c 82
;	genCmpEq 
;	gencjneshort
	mov	a,_radix
	cjne	a,#0x10,00136$
	ljmp	00110$
00136$:
;	genIpush 
	push	ar2
;	genCast 
	mov	dptr,#__modulong_PARM_2
	mov	a,_radix
	movx	@dptr,a
	mov	a,_radix
	rlc	a
	subb	a,acc
	inc	dptr
	movx	@dptr,a
	inc	dptr
	movx	@dptr,a
	inc	dptr
	movx	@dptr,a
;	genCall 
	push	ar3
	push	ar4
	push	ar5
	push	ar6
	mov	dpl,r3
	mov	dph,r4
	mov	dpx,r5
	mov	b,r6
	lcall	__modulong
	mov	r7,dpl
	mov	r0,dph
	mov	r1,dpx
	mov	r2,b
	pop	ar6
	pop	ar5
	pop	ar4
	pop	ar3
;	genPlus 
	mov	a,#0x30
	add	a,r7
	mov	r7,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,r0
	mov	r0,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,r1
	mov	r1,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,r2
	mov	r2,a
;	genCast 
	mov	_ch,r7
;	genIpop 
	pop	ar2
;	genGoto 
;	genLabel 
; Peephole 132   changed ljmp to sjmp
	sjmp 00111$
00110$:
;	printfl.c 83
;	genCast 
	mov	ar7,r3
;	genAnd 
	anl	ar7,#0x0F
;	genPlus 
	mov	a,r7
	add	a,#__str_0
	mov	r7,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,#(__str_0 >> 8)
	mov	r0,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,#(__str_0 >> 16)
	mov	r1,a
;	genPointerGet 
	mov	dpl,r7
	mov	dph,r0
	mov	dpx,r1
	clr	a
	movc	a,@a+dptr
	mov	_ch,a
;	genLabel 
00111$:
;	printfl.c 84
;	genIpush 
	push	ar2
;	genInline 
	 push _ch 
;	printfl.c 85
;	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 
	push	ar3
	push	ar4
	push	ar5
	push	ar6
	mov	dpl,r3
	mov	dph,r4
	mov	dpx,r5
	mov	b,r6
	lcall	__divulong
	mov	r7,dpl
	mov	r0,dph
	mov	r1,dpx
	mov	r2,b
	pop	ar6
	pop	ar5
	pop	ar4
	pop	ar3
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	ar3,r7
	mov	ar4,r0
	mov	ar5,r1
	mov	ar6,r2
;	printfl.c 94
;	genIpop 
	pop	ar2
;	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$:
;	printfl.c 97
;	genAssign 
;	genAssign: resultIsFar = FALSE
	mov	_ch,#0x2D
;	printfl.c 98
;	genInline 
	 push _ch 
;	printfl.c 101
;	genLabel 
00117$:
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	ar3,r2
;	genCmpEq 
;	gencjneshort
	mov	a,r3
	cjne	a,_SP,00139$
; Peephole 132   changed ljmp to sjmp
	sjmp 00120$
00139$:
;	printfl.c 102
;	genInline 
	 pop _ch 
;	printfl.c 103
;	genCall 
	push	ar2
	mov	dpl,_ch
	lcall	_putchar
	pop	ar2
;	genGoto 
;	genLabel 
; Peephole 132   changed ljmp to sjmp
	sjmp 00117$
00120$:
;	genEndFunction 
	ret
;	printfl.c 107
;	genFunction 
;	-----------------------------------------
;	 function printf_small
;	-----------------------------------------
_printf_small:
	push	_bp
	mov	_bp,sp
	mov	a,sp
	add	a,#0x04
	mov	sp,a
;	printfl.c 111
;	genAddrOf 
	mov	a,_bp
	add	a,#0xf9
	mov	r2,a
	mov	r3,#0x00
	mov	r4,#0x40
;	genCast 
	mov	a,_bp
	add	a,#0x01
	mov	dpx,#0x40
	mov	dph,#0x00
	mov	dpl, a
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,#0x01
	movx	@dptr,a
;	genLabel 
00127$:
;	printfl.c 113
;	genAssign 
	mov	a,_bp
	add	a,#0xf9
	mov	dpx,#0x40
	mov	dph,#0x00
	mov	dpl, a
;	genAssign: resultIsFar = FALSE
	movx	a,@dptr
	mov	r6,a
	inc	dptr
	movx	a,@dptr
	mov	r7,a
	inc	dptr
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
;	genPointerGet 
;	genGenPointerGet 
	mov	dpl,r6
	mov	dph,r7
	mov	dpx,r2
	mov	b,r3
	lcall	__gptrget
;	genIfx 
; Peephole 105   removed redundant mov
	mov  r4,a
;	genIfxJump 
	jnz	00149$
	ljmp	00131$
00149$:
;	printfl.c 114
;	genCmpEq 
;	gencjneshort
	mov	a,r4
	cjne	a,#0x25,00150$
	sjmp	00151$
00150$:
	ljmp	00125$
00151$:
;	printfl.c 115
;	genAssign 
;	genAssign: resultIsFar = FALSE
	clr	_char_flag
;	genAssign 
;	genAssign: resultIsFar = FALSE
	clr	_string_flag
;	genAssign 
;	genAssign: resultIsFar = FALSE
	clr	_long_flag
;	printfl.c 116
;	genPlus 
	mov	a,#0x01
	add	a,r6
	mov	r6,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,r7
	mov	r5,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,r2
	mov	r2,a
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	a,_bp
	add	a,#0xf9
	mov	dpx,#0x40
	mov	dph,#0x00
	mov	dpl, a
	mov	a,r6
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
	inc	dptr
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
;	printfl.c 117
;	genPointerGet 
;	genGenPointerGet 
	mov	dpl,r6
	mov	dph,r5
	mov	dpx,r2
	mov	b,r3
	lcall	__gptrget
;	genCmpEq 
;	gencjneshort
; Peephole 105   removed redundant mov
	mov  r7,a
	cjne	a,#0x68,00152$
; Peephole 132   changed ljmp to sjmp
	sjmp 00102$
00152$:
;	genCmpEq 
;	gencjneshort
	mov	a,r7
; Peephole 132   changed ljmp to sjmp
; Peephole 199   optimized misc jump sequence