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 10:57:31 2001

;--------------------------------------------------------
	.module vprintf
	
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
	.globl _vprintf_PARM_2
	.globl _vsprintf_PARM_3
	.globl _vsprintf_PARM_2
	.globl _vsprintf
	.globl _vprintf
;--------------------------------------------------------
; special function registers
;--------------------------------------------------------
;--------------------------------------------------------
; special function bits 
;--------------------------------------------------------
;--------------------------------------------------------
; internal ram data
;--------------------------------------------------------
	.area DSEG    (DATA)
_value:
	.ds 5
_vsprintf_sloc0_1_0::
	.ds 1
_vsprintf_sloc1_1_0::
	.ds 2
_vsprintf_sloc2_1_0::
	.ds 3
;--------------------------------------------------------
; 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 3
_radix:
	.ds 1
_charsOutputted:
	.ds 2
_vsprintf_PARM_2::
	.ds 3
_vsprintf_PARM_3::
	.ds 1
_vsprintf_buf_1_1::
	.ds 3
_vsprintf_width_1_1::
	.ds 1
_vsprintf_decimals_1_1::
	.ds 1
_vsprintf_length_1_1::
	.ds 1
_vsprintf_c_1_1::
	.ds 1
_vprintf_PARM_2::
	.ds 1
_vprintf_format_1_1::
	.ds 3
;--------------------------------------------------------
; 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 'output_char'
;------------------------------------------------------------
;c                         Allocated to registers r2 
;	vprintf.c 88
;	-----------------------------------------
;	 function output_char
;	-----------------------------------------
_output_char:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
	push	_bp
	mov	_bp,sp
;	vprintf.c 98
	mov	r2,dpl
;	vprintf.c 90
; Peephole 111   removed ljmp by inverse jump logic
	jnb  _output_to_string,00102$
00107$:
;	vprintf.c 92
	mov	dptr,#_output_ptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	mov	dptr,#_output_ptr
	mov	a,#0x01
	add	a,r3
	movx	@dptr,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,r4
	inc	dptr
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
	mov	dpl,r3
	mov	dph,r4
	mov	b,r5
	mov	a,r2
	lcall	__gptrput
; Peephole 132   changed ljmp to sjmp
	sjmp 00103$
00102$:
;	vprintf.c 96
	mov	dpl,r2
	lcall	_putchar
00103$:
;	vprintf.c 98
	mov	dptr,#_charsOutputted
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	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
00104$:
	mov	sp,_bp
	pop	_bp
	ret
;------------------------------------------------------------
;Allocation info for local variables in function 'output_digit'
;------------------------------------------------------------
;n                         Allocated to registers r2 
;	vprintf.c 103
;	-----------------------------------------
;	 function output_digit
;	-----------------------------------------
_output_digit:
	push	_bp
	mov	_bp,sp
;	vprintf.c 106
	mov	r2,dpl
;	vprintf.c 105
	clr	c
	mov	a,#0x09
	subb	a,r2
	clr	a
	rlc	a
; Peephole 105   removed redundant mov
	mov  r3,a
	cjne	a,#0x01,00109$
00109$:
	clr	a
	rlc	a
; Peephole 105   removed redundant mov
	mov  r3,a
; Peephole 110   removed ljmp by inverse jump logic
	jz  00103$
00110$:
	mov	a,#0x30
	add	a,r2
	mov	r3,a
; Peephole 132   changed ljmp to sjmp
	sjmp 00104$
00103$:
;	vprintf.c 106
; Peephole 111   removed ljmp by inverse jump logic
	jnb  _lower_case,00105$
00111$:
	mov	a,#0x57
	add	a,r2
	mov	r4,a
; Peephole 132   changed ljmp to sjmp
	sjmp 00106$
00105$:
	mov	a,#0x37
	add	a,r2
	mov	r4,a
00106$:
	mov	ar3,r4
00104$:
	mov	dpl,r3
	lcall	_output_char
00101$:
	mov	sp,_bp
	pop	_bp
	ret
;------------------------------------------------------------
;Allocation info for local variables in function 'output_2digits'
;------------------------------------------------------------
;b                         Allocated to registers r2 
;	vprintf.c 111
;	-----------------------------------------
;	 function output_2digits
;	-----------------------------------------
_output_2digits:
	push	_bp
	mov	_bp,sp
;	vprintf.c 114
	mov	r2,dpl
;	vprintf.c 113
	mov	a,r2
	swap	a
	anl	a,#0x0f
	mov	r3,a
	mov	dpl,r3
	push	ar2
	lcall	_output_digit
	pop	ar2
;	vprintf.c 114
	anl	ar2,#0x0F
	mov	dpl,r2
	lcall	_output_digit
00101$:
	mov	sp,_bp
	pop	_bp
	ret
;------------------------------------------------------------
;Allocation info for local variables in function 'calculate_digit'
;------------------------------------------------------------
;i                         Allocated to in memory with name '_calculate_digit_i_1_1'
;	vprintf.c 119
;	-----------------------------------------
;	 function calculate_digit
;	-----------------------------------------
_calculate_digit:
;	vprintf.c 123
	mov	r2,#0x20
00103$:
	cjne	r2,#0x00,00112$
; Peephole 132   changed ljmp to sjmp
	sjmp 00107$
00112$:
;	vprintf.c 142
	  clr c
	  mov a,_value+0
	  rlc a
	  mov _value+0,a
	  mov a,_value+1
	  rlc a
	  mov _value+1,a
	  mov a,_value+2
	  rlc a
	  mov _value+2,a
	  mov a,_value+3
	  rlc a
	  mov _value+3,a
	  mov a,_value+4
	  rlc a
	  mov _value+4,a
;	vprintf.c 144
; Peephole 221a remove redundant move
	mov	dptr,#_radix
	movx	a,@dptr
	mov	r3,a
	clr	c
	mov	a,0x0004 + _value
	subb	a,r3
; Peephole 132   changed ljmp to sjmp
; Peephole 160   removed sjmp by inverse jump logic
	jc   00105$
00113$:
;	vprintf.c 146
; Peephole 221a remove redundant move
	clr	c
	mov	a,0x0004 + _value
	subb	a,r3
	mov	(_value + 0x0004),a
;	vprintf.c 147
	mov	r3,_value
	mov	a,#0x01
	add	a,r3
	mov	_value,a
00105$:
;	vprintf.c 123
	dec	r2
; Peephole 132   changed ljmp to sjmp
	sjmp 00103$
00107$:
	ret
;------------------------------------------------------------
;Allocation info for local variables in function 'vsprintf'
;------------------------------------------------------------
;sloc0                     Allocated to in memory with name '_vsprintf_sloc0_1_0'
;sloc1                     Allocated to in memory with name '_vsprintf_sloc1_1_0'
;sloc2                     Allocated to in memory with name '_vsprintf_sloc2_1_0'
;format                    Allocated to in memory with name '_vsprintf_PARM_2'
;ap                        Allocated to in memory with name '_vsprintf_PARM_3'
;buf                       Allocated to in memory with name '_vsprintf_buf_1_1'
;width                     Allocated to in memory with name '_vsprintf_width_1_1'
;decimals                  Allocated to in memory with name '_vsprintf_decimals_1_1'
;length                    Allocated to in memory with name '_vsprintf_length_1_1'
;c                         Allocated to in memory with name '_vsprintf_c_1_1'
;	vprintf.c 259
;	-----------------------------------------
;	 function vsprintf
;	-----------------------------------------
_vsprintf:
;	vprintf.c 0
	push	b
	push	dph
	push	dpl
	mov	dptr,#_vsprintf_buf_1_1
	pop	acc
	movx	@dptr,a
	pop	acc
	inc	dptr
	movx	@dptr,a
	pop	acc
	inc	dptr
	movx	@dptr,a
;	vprintf.c 276
; Peephole 229   replaced inefficient 16 bit clear
	mov     dptr,#_charsOutputted
	clr     a
	movx    @dptr,a
	inc     dptr
	movx    @dptr,a
;	vprintf.c 278
; Peephole 231   removed redundant mov to dptr
	mov     dptr,#_vsprintf_buf_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	mov	dptr,#_output_ptr
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r4
	movx	@dptr,a
;	vprintf.c 279
	mov	a,r2
	orl	a,r3
	orl	a,r4
; Peephole 109   removed ljmp by inverse jump logic
	jnz  00102$
00287$:
;	vprintf.c 281
	clr	_output_to_string
; Peephole 132   changed ljmp to sjmp
	sjmp 00225$
00102$:
;	vprintf.c 285
	setb	_output_to_string
;	vprintf.c 294
00225$:
00209$:
	mov	dptr,#_vsprintf_PARM_2
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	lcall	__gptrget
	mov	r5,a
	inc	r2
	cjne	r2,#0x00,00288$
	inc	r3
00288$:
	mov	dptr,#_vsprintf_PARM_2
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r4
	movx	@dptr,a
	mov	a,r5
	jnz	00289$
	ljmp	00211$
00289$:
;	vprintf.c 296
	cjne	r5,#0x25,00290$
	sjmp	00291$
00290$:
	ljmp	00207$
00291$:
;	vprintf.c 298
	clr	_vsprintf_left_justify_1_1
;	vprintf.c 299
	clr	_vsprintf_zero_padding_1_1
;	vprintf.c 300
	clr	_vsprintf_prefix_sign_1_1
;	vprintf.c 301
	clr	_vsprintf_prefix_space_1_1
;	vprintf.c 302
	clr	_vsprintf_signed_argument_1_1
;	vprintf.c 303
	mov	dptr,#_radix
; Peephole 180   changed mov to clr
	clr  a
	movx	@dptr,a
;	vprintf.c 304
	clr	_vsprintf_char_argument_1_1
;	vprintf.c 305
	clr	_vsprintf_long_argument_1_1
;	vprintf.c 306
	clr	_vsprintf_float_argument_1_1
;	vprintf.c 307
	mov	dptr,#_vsprintf_width_1_1
; Peephole 180   changed mov to clr
	clr  a
	movx	@dptr,a
;	vprintf.c 308
	mov	dptr,#_vsprintf_decimals_1_1
	mov	a,#0xFF
	movx	@dptr,a
;	vprintf.c 312
00104$:
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	lcall	__gptrget
	mov	r6,a
	inc	dptr
	mov	r2,dpl
	mov	r3,dph
	mov	dptr,#_vsprintf_PARM_2
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r4
	movx	@dptr,a
	mov	dptr,#_vsprintf_c_1_1
	mov	a,r6
	movx	@dptr,a
;	vprintf.c 314
; Peephole 132   changed ljmp to sjmp
; Peephole 199   optimized misc jump sequence
	cjne r6,#0x25,00106$
;00292$:
; Peephole 200   removed redundant sjmp
00293$:
;	vprintf.c 315
	mov	dpl,r6
	push	ar2
	push	ar3
	push	ar4
	push	ar5
	push	ar6
	lcall	_output_char
	pop	ar6
	pop	ar5
	pop	ar4
	pop	ar3
	pop	ar2
;	vprintf.c 316
	ljmp	00209$
00106$:
;	vprintf.c 319
	mov	ar7,r6
	mov	dpl,r7
	push	ar2
	push	ar3
	push	ar4
	push	ar5
	push	ar6
	lcall	_isdigit
	mov	r7,dpl
	pop	ar6
	pop	ar5
	pop	ar4
	pop	ar3
	pop	ar2
	mov	a,r7
	jnz	00294$
	ljmp	00113$
00294$:
;	vprintf.c 320
	mov	dptr,#_vsprintf_decimals_1_1
	movx	a,@dptr
	mov	r7,a
; Peephole 132   changed ljmp to sjmp
; Peephole 199   optimized misc jump sequence
	cjne r7,#0xFF,00110$
;00295$:
; Peephole 200   removed redundant sjmp
00296$:
;	vprintf.c 321
	mov	dptr,#_vsprintf_width_1_1
	movx	a,@dptr
	mov	r0,a
	mov	b,#0x0A
	mov	a,r0
	mul	ab
	mov	r0,a
	mov	r1,b
	mov	a,r6
	add	a,#0xd0
; Peephole 166   removed redundant mov
	mov  _vsprintf_sloc0_1_0,a
	mov  _vsprintf_sloc1_1_0,_vsprintf_sloc0_1_0 
	rlc	a
	subb	a,acc
	mov	(_vsprintf_sloc1_1_0 + 1),a
	mov	a,_vsprintf_sloc1_1_0
	add	a,r0
; Peephole 100   removed redundant mov
	mov  r0,a
	mov  dptr,#_vsprintf_width_1_1
	movx @dptr,a
;	vprintf.c 322
	cjne	r0,#0x00,00297$
	sjmp	00298$
00297$:
	ljmp	00104$
00298$:
;	vprintf.c 324
	setb	_vsprintf_zero_padding_1_1
	ljmp	00104$
00110$:
;	vprintf.c 327
	clr	F0
	mov	a,r7
	jnb	acc.7,00299$
	setb	F0
	cpl	a
	inc	a
00299$:
	mov	b,#0x0a
	mul	ab
	jnb	F0,00300$
	cpl	a
	add	a,#1
	xch	a,b
	cpl	a
	addc	a,#0
	xch	a,b
00300$:
	mov	r7,a
	mov	r0,b
	mov	a,r6
	add	a,#0xd0
	mov	_vsprintf_sloc1_1_0,a
; Peephole 180   changed mov to clr
	clr  a
	addc	a,#0xff
	mov	(_vsprintf_sloc1_1_0 + 1),a
	mov	dptr,#_vsprintf_decimals_1_1
	mov	a,_vsprintf_sloc1_1_0
	add	a,r7
	movx	@dptr,a
;	vprintf.c 329
	ljmp	00104$
00113$:
;	vprintf.c 332
; Peephole 132   changed ljmp to sjmp
; Peephole 199   optimized misc jump sequence
	cjne r6,#0x2E,00117$
;00301$:
; Peephole 200   removed redundant sjmp
00302$:
;	vprintf.c 333
	mov	dptr,#_vsprintf_decimals_1_1
; Peephole 180   changed mov to clr
	clr  a
	movx	@dptr,a
;	vprintf.c 336
	ljmp	00104$
00117$:
;	vprintf.c 339
	mov	ar7,r6
	mov	dpl,r7
	push	ar2
	push	ar3
	push	ar4
	push	ar5
	push	ar6
	lcall	_islower
	mov	r7,dpl
	pop	ar6
	pop	ar5
	pop	ar4
	pop	ar3
	pop	ar2
	mov	a,r7
	clr	c; oops
	jz	00303$
	cpl	c
00303$:
	mov	_lower_case,c
;	vprintf.c 340
; Peephole 111   removed ljmp by inverse jump logic
	jnb  _lower_case,00119$
00304$:
;	vprintf.c 342
	mov	dptr,#_vsprintf_c_1_1
	mov	a,#0xDF
	anl	a,r6
	movx	@dptr,a
00119$:
;	vprintf.c 345
	mov	dptr,#_vsprintf_c_1_1
	movx	a,@dptr
	mov	r6,a
	cjne	r6,#0x20,00305$
; Peephole 132   changed ljmp to sjmp
	sjmp 00122$
00305$:
	cjne	r6,#0x2B,00306$
; Peephole 132   changed ljmp to sjmp
	sjmp 00121$
00306$:
	cjne	r6,#0x2D,00307$
; Peephole 132   changed ljmp to sjmp
	sjmp 00120$
00307$:
	cjne	r6,#0x42,00308$
; Peephole 132   changed ljmp to sjmp
	sjmp 00123$
00308$:
	cjne	r6,#0x43,00309$
; Peephole 132   changed ljmp to sjmp
	sjmp 00125$
00309$:
	cjne	r6,#0x44,00310$
	ljmp	00146$
00310$:
	cjne	r6,#0x46,00311$
	ljmp	00151$
00311$:
	cjne	r6,#0x49,00312$
	ljmp	00146$
00312$:
	cjne	r6,#0x4C,00313$
; Peephole 132   changed ljmp to sjmp
	sjmp 00124$
00313$:
	cjne	r6,#0x4F,00314$
	ljmp	00148$
00314$:
	cjne	r6,#0x50,00315$
	ljmp	00142$
00315$:
	cjne	r6,#0x53,00316$
; Peephole 132   changed ljmp to sjmp
	sjmp 00126$
00316$:
	cjne	r6,#0x55,00317$
	ljmp	00149$
00317$:
	cjne	r6,#0x58,00318$
	ljmp	00150$
00318$:
	ljmp	00152$
;	vprintf.c 348
00120$:
	setb	_vsprintf_left_justify_1_1
;	vprintf.c 349
	ljmp	00104$
;	vprintf.c 351
00121$:
	setb	_vsprintf_prefix_sign_1_1
;	vprintf.c 352
	ljmp	00104$
;	vprintf.c 354
00122$:
	setb	_vsprintf_prefix_space_1_1
;	vprintf.c 355
	ljmp	00104$
;	vprintf.c 357
00123$:
	setb	_vsprintf_char_argument_1_1
;	vprintf.c 358
	ljmp	00104$
;	vprintf.c 360
00124$:
	setb	_vsprintf_long_argument_1_1
;	vprintf.c 361
	ljmp	00104$
;	vprintf.c 364
00125$:
	mov	dptr,#_vsprintf_PARM_3
	movx	a,@dptr
; Peephole 105   removed redundant mov
	mov  r2,a
	add	a,#0xfe
; Peephole 100   removed redundant mov
	mov  r0,a
	mov  dptr,#_vsprintf_PARM_3
	movx @dptr,a
	mov	ar2,@r0
	inc	r0
	mov	ar3,@r0
	dec	r0
	mov	dpl,r2
	push	ar5
	push	ar6
	lcall	_output_char
	pop	ar6
	pop	ar5
;	vprintf.c 365
	ljmp	00153$
;	vprintf.c 368
00126$:
	mov	dptr,#_vsprintf_PARM_3
	movx	a,@dptr
; Peephole 105   removed redundant mov
	mov  r2,a
	add	a,#0xfd
; Peephole 100   removed redundant mov
	mov  r0,a
	mov  dptr,#_vsprintf_PARM_3
	movx @dptr,a
	mov	ar2,@r0
	mov	r3,#0x00
	mov	r4,#0x00
	mov	_value,r2
	mov	(_value + 1),r3
	mov	(_value + 2),r4
;	vprintf.c 378
	mov	r2,_value
	mov	r3,(_value + 1)
	mov	r4,(_value + 2)
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	push	ar5
	push	ar6
	lcall	_strlen
	mov	r2,dpl
	mov	r3,dph
	pop	ar6
	pop	ar5
;	vprintf.c 380
; Peephole 112   removed ljmp by inverse jump logic
	jb   _vsprintf_left_justify_1_1,00133$
00319$:
	mov	dptr,#_vsprintf_width_1_1
	movx	a,@dptr
	mov	r3,a
	clr	c
	mov	a,r2
	subb	a,r3
; Peephole 108   removed ljmp by inverse jump logic
	jnc  00133$
00320$:
;	vprintf.c 382
	clr	c
	mov	a,r3
	subb	a,r2
	mov	r3,a
;	vprintf.c 383