ad_dk3adpcm.mid

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· MID 代码 · 共 634 行

	.file	1 "ad_dk3adpcm.c"
	.section .mdebug.abi32
	.previous
	.section	.text.preinit,"ax",@progbits
	.align	2
	.align	5
	.ent	preinit
	.type	preinit, @function
preinit:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$6,156($4)
	lbu	$2,13($6)
	lbu	$5,12($6)
	sll	$2,$2,8
	or	$2,$2,$5
	sll	$3,$2,3
	sll	$2,$2,1
	subu	$3,$3,$2
	sw	$3,64($4)
	lbu	$5,13($6)
	lbu	$2,12($6)
	sll	$5,$5,8
	or	$5,$5,$2
	sll	$3,$5,3
	li	$2,1431633920			# 0x55550000
	addiu	$3,$3,-128
	ori	$2,$2,0x5556
	mult	$3,$2
	lw	$6,4($4)
	mfhi	$2
	sra	$3,$3,31
	subu	$2,$2,$3
	sw	$2,88($6)
	li	$2,1			# 0x1
	sw	$5,84($6)
	j	$31
	sw	$5,48($4)

	.set	macro
	.set	reorder
	.end	preinit
	.section	.text.init,"ax",@progbits
	.align	2
	.align	5
	.ent	init
	.type	init, @function
init:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$5,156($4)
	lw	$8,4($4)
	lbu	$2,3($5)
	lbu	$3,2($5)
	sll	$2,$2,8
	or	$2,$2,$3
	sw	$2,36($4)
	lwl	$3,7($5)
	li	$2,1			# 0x1
	lwr	$3,4($5)
	li	$5,2			# 0x2
	sw	$3,28($4)
	lw	$6,84($8)
	lw	$7,88($8)
	mul	$3,$3,$6
	sw	$5,32($4)
	divu	$0,$3,$7
	teq	$7,$0,7
	mflo	$3
	j	$31
	sw	$3,44($4)

	.set	macro
	.set	reorder
	.end	init
	.section	.text.uninit,"ax",@progbits
	.align	2
	.align	5
	.ent	uninit
	.type	uninit, @function
uninit:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	j	$31
	nop

	.set	macro
	.set	reorder
	.end	uninit
	.section	.text.control,"ax",@progbits
	.align	2
	.align	5
	.ent	control
	.type	control, @function
control:
	.frame	$sp,24,$31		# vars= 0, regs= 1/0, args= 16, gp= 0
	.mask	0x80000000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-24
	li	$2,2			# 0x2
	sw	$31,16($sp)
	li	$6,-1			# 0xffffffffffffffff
	sw	$7,36($sp)
	beq	$5,$2,$L13
	move	$3,$4

	lw	$31,16($sp)
	move	$2,$6
	j	$31
	addiu	$sp,$sp,24

$L13:
	lw	$4,4($4)
	lw	$5,52($3)
	jal	demux_read_data
	lw	$6,84($4)

	li	$6,1			# 0x1
	lw	$31,16($sp)
	move	$2,$6
	j	$31
	addiu	$sp,$sp,24

	.set	macro
	.set	reorder
	.end	control
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"dk3adpcm: maxlen too small in decode_audio\012\000"
	.section	.text.decode_audio,"ax",@progbits
	.align	2
	.align	5
	.ent	decode_audio
	.type	decode_audio, @function
decode_audio:
	.frame	$sp,72,$31		# vars= 16, regs= 10/0, args= 16, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-72
	sw	$18,40($sp)
	sw	$17,36($sp)
	sw	$16,32($sp)
	sw	$31,68($sp)
	sw	$fp,64($sp)
	sw	$23,60($sp)
	sw	$22,56($sp)
	sw	$21,52($sp)
	sw	$20,48($sp)
	sw	$19,44($sp)
	move	$16,$4
	lw	$4,4($4)
	move	$18,$5
	lw	$6,84($4)
	lw	$5,52($16)
	jal	demux_read_data
	move	$17,$7

	sw	$2,24($sp)
	lw	$2,4($16)
	lw	$3,84($2)
	lw	$2,24($sp)
	beq	$2,$3,$L67
	li	$2,-1			# 0xffffffffffffffff

$L17:
	lw	$31,68($sp)
	lw	$fp,64($sp)
	lw	$23,60($sp)
	lw	$22,56($sp)
	lw	$21,52($sp)
	lw	$20,48($sp)
	lw	$19,44($sp)
	lw	$18,40($sp)
	lw	$17,36($sp)
	lw	$16,32($sp)
	j	$31
	addiu	$sp,$sp,72

$L67:
	lw	$3,156($16)
	lbu	$2,13($3)
	lbu	$4,12($3)
	sll	$2,$2,8
	or	$2,$2,$4
	li	$3,1431633920			# 0x55550000
	sll	$2,$2,4
	ori	$3,$3,0x5556
	mult	$2,$3
	mfhi	$2
	slt	$2,$17,$2
	bne	$2,$0,$L68
	lui	$6,%hi($LC0)

	lw	$25,52($16)
	lhu	$9,10($25)
	andi	$2,$9,0x8000
	beq	$2,$0,$L20
	lhu	$11,12($25)

	li	$2,-65536			# 0xffffffffffff0000
	addu	$9,$9,$2
$L20:
	andi	$2,$11,0x8000
	beq	$2,$0,$L71
	lw	$2,24($sp)

	li	$2,-65536			# 0xffffffffffff0000
	addu	$11,$11,$2
	lw	$2,24($sp)
$L71:
	addiu	$2,$2,-1
	sw	$2,16($sp)
	slt	$2,$2,17
	lbu	$3,14($25)
	bne	$2,$0,$L69
	lbu	$4,15($25)

	move	$5,$3
	lui	$2,%hi(adpcm_step)
	lui	$3,%hi(adpcm_index)
	move	$fp,$0
	move	$10,$18
	move	$24,$4
	addiu	$22,$2,%lo(adpcm_step)
	addiu	$21,$3,%lo(adpcm_index)
	move	$15,$11
	li	$13,16			# 0x10
	sw	$0,20($sp)
	move	$14,$0
	li	$20,32767			# 0x7fff
	li	$19,32768			# 0x8000
	li	$18,-32768			# 0xffffffffffff8000
	beq	$fp,$0,$L27
	li	$23,88			# 0x58

$L70:
	srl	$8,$14,4
	move	$12,$0
$L29:
	sll	$2,$5,2
	addu	$2,$2,$22
	lw	$7,0($2)
	andi	$4,$8,0x4
	sra	$6,$7,3
	addu	$2,$6,$7
	andi	$3,$8,0x2
	beq	$3,$0,$L32
	movn	$6,$2,$4

	sra	$2,$7,1
	addu	$6,$6,$2
$L32:
	andi	$2,$8,0x1
	beq	$2,$0,$L72
	andi	$2,$8,0x8

	sra	$2,$7,2
	addu	$6,$6,$2
	andi	$2,$8,0x8
$L72:
	beq	$2,$0,$L36
	nop

	subu	$6,$9,$6
$L38:
	sll	$2,$8,2
	addu	$2,$2,$21
	lw	$3,0($2)
	slt	$4,$6,$19
	addu	$3,$5,$3
	slt	$2,$3,89
	move	$5,$20
	movn	$5,$6,$4
	movz	$3,$23,$2
	slt	$4,$5,-32768
	slt	$2,$3,0
	move	$9,$18
	move	$17,$0
	movz	$9,$5,$4
	beq	$12,$0,$L39
	movz	$17,$3,$2

	srl	$7,$14,4
	move	$12,$0
$L41:
	sll	$2,$24,2
	addu	$2,$2,$22
	lw	$6,0($2)
	andi	$4,$7,0x4
	sra	$5,$6,3
	addu	$2,$5,$6
	andi	$3,$7,0x2
	beq	$3,$0,$L44
	movn	$5,$2,$4

	sra	$2,$6,1
	addu	$5,$5,$2
$L44:
	andi	$2,$7,0x1
	beq	$2,$0,$L73
	andi	$2,$7,0x8

	sra	$2,$6,2
	addu	$5,$5,$2
	andi	$2,$7,0x8
$L73:
	beq	$2,$0,$L48
	nop

	subu	$5,$11,$5
$L50:
	slt	$2,$5,$19
	move	$4,$20
	movn	$4,$5,$2
	slt	$3,$4,-32768
	move	$11,$18
	movz	$11,$4,$3
	addu	$5,$11,$15
	srl	$2,$5,31
	addu	$2,$2,$5
	sra	$15,$2,1
	andi	$8,$15,0xffff
	andi	$2,$9,0xffff
	sll	$3,$7,2
	subu	$4,$2,$8
	addu	$3,$3,$21
	addu	$2,$2,$8
	sh	$2,0($10)
	sh	$4,2($10)
	beq	$12,$0,$L51
	lw	$16,0($3)

	lw	$12,16($sp)
	srl	$5,$14,4
	move	$fp,$0
$L53:
	sll	$2,$17,2
	addu	$2,$2,$22
	lw	$7,0($2)
	andi	$4,$5,0x4
	sra	$6,$7,3
	addu	$2,$6,$7
	andi	$3,$5,0x2
	beq	$3,$0,$L56
	movn	$6,$2,$4

	sra	$2,$7,1
	addu	$6,$6,$2
$L56:
	andi	$2,$5,0x1
	beq	$2,$0,$L74
	andi	$2,$5,0x8

	sra	$2,$7,2
	addu	$6,$6,$2
	andi	$2,$5,0x8
$L74:
	beq	$2,$0,$L62
	addu	$4,$6,$9

	subu	$4,$9,$6
$L62:
	slt	$2,$4,$19
	movz	$4,$20,$2
	slt	$3,$4,-32768
	move	$9,$18
	movz	$9,$4,$3
	andi	$2,$9,0xffff
	subu	$3,$2,$8
	addu	$2,$8,$2
	sh	$2,4($10)
	lw	$2,20($sp)
	sll	$5,$5,2
	addu	$5,$5,$21
	addiu	$2,$2,4
	slt	$4,$13,$12
	sh	$3,6($10)
	sw	$2,20($sp)
	lw	$3,0($5)
	beq	$4,$0,$L63
	addiu	$10,$10,8

	addu	$3,$17,$3
	addu	$2,$16,$24
	slt	$5,$3,89
	slt	$4,$2,89
	movz	$3,$23,$5
	movz	$2,$23,$4
	slt	$5,$3,0
	slt	$4,$2,0
	move	$24,$0
	movn	$3,$0,$5
	movz	$24,$2,$4
	bne	$fp,$0,$L70
	move	$5,$3

$L27:
	addu	$2,$25,$13
	lbu	$14,0($2)
	addiu	$13,$13,1
	andi	$8,$14,0xf
	j	$L29
	li	$12,1			# 0x1

$L51:
	addu	$2,$25,$13
	lbu	$14,0($2)
	lw	$12,24($sp)
	addiu	$13,$13,1
	andi	$5,$14,0xf
	j	$L53
	li	$fp,1			# 0x1

$L48:
	j	$L50
	addu	$5,$5,$11

$L39:
	addu	$2,$25,$13
	lbu	$14,0($2)
	addiu	$13,$13,1
	andi	$7,$14,0xf
	j	$L41
	li	$12,1			# 0x1

$L36:
	j	$L38
	addu	$6,$6,$9

$L63:
	lw	$31,68($sp)
	lw	$fp,64($sp)
	lw	$23,60($sp)
	lw	$22,56($sp)
	lw	$21,52($sp)
	lw	$20,48($sp)
	lw	$19,44($sp)
	lw	$18,40($sp)
	lw	$17,36($sp)
	lw	$16,32($sp)
	sll	$2,$2,1
	j	$31
	addiu	$sp,$sp,72

$L69:
	j	$L17
	move	$2,$0

$L68:
	addiu	$6,$6,%lo($LC0)
	li	$4,12			# 0xc
	jal	mp_msg
	li	$5,6			# 0x6

	j	$L17
	li	$2,-1			# 0xffffffffffffffff

	.set	macro
	.set	reorder
	.end	decode_audio
	.globl	mpcodecs_ad_dk3adpcm
	.data
	.align	2
	.type	mpcodecs_ad_dk3adpcm, @object
	.size	mpcodecs_ad_dk3adpcm, 24
mpcodecs_ad_dk3adpcm:
	.word	info
	.word	preinit
	.word	init
	.word	uninit
	.word	control
	.word	decode_audio
	.rdata
	.align	2
	.type	adpcm_step, @object
	.size	adpcm_step, 356
adpcm_step:
	.word	7
	.word	8
	.word	9
	.word	10
	.word	11
	.word	12
	.word	13
	.word	14
	.word	16
	.word	17
	.word	19
	.word	21
	.word	23
	.word	25
	.word	28
	.word	31
	.word	34
	.word	37
	.word	41
	.word	45
	.word	50
	.word	55
	.word	60
	.word	66
	.word	73
	.word	80
	.word	88
	.word	97
	.word	107
	.word	118
	.word	130
	.word	143
	.word	157
	.word	173
	.word	190
	.word	209
	.word	230
	.word	253
	.word	279
	.word	307
	.word	337
	.word	371
	.word	408
	.word	449
	.word	494
	.word	544
	.word	598
	.word	658
	.word	724
	.word	796
	.word	876
	.word	963
	.word	1060
	.word	1166
	.word	1282
	.word	1411
	.word	1552
	.word	1707
	.word	1878
	.word	2066
	.word	2272
	.word	2499
	.word	2749
	.word	3024
	.word	3327
	.word	3660
	.word	4026
	.word	4428
	.word	4871
	.word	5358
	.word	5894
	.word	6484
	.word	7132
	.word	7845
	.word	8630
	.word	9493
	.word	10442
	.word	11487
	.word	12635
	.word	13899
	.word	15289
	.word	16818
	.word	18500
	.word	20350
	.word	22385
	.word	24623
	.word	27086
	.word	29794
	.word	32767
	.align	2
	.type	adpcm_index, @object
	.size	adpcm_index, 64
adpcm_index:
	.word	-1
	.word	-1
	.word	-1
	.word	-1
	.word	2
	.word	4
	.word	6
	.word	8
	.word	-1
	.word	-1
	.word	-1
	.word	-1
	.word	2
	.word	4
	.word	6
	.word	8
	.section	.rodata.str1.4
	.align	2
$LC1:
	.ascii	"Duck Corp. DK3 ADPCM decoder\000"
	.align	2
$LC2:
	.ascii	"dk3adpcm\000"
	.align	2
$LC3:
	.ascii	"Nick Kurshev\000"
	.align	2
$LC4:
	.ascii	"Mike Melanson\000"
	.subsection	-1
	.align	2
$LC5:
	.ascii	"\000"
	.data
	.align	2
	.type	info, @object
	.size	info, 20
info:
	.word	$LC1
	.word	$LC2
	.word	$LC3
	.word	$LC4
	.word	$LC5
	.ident	"GCC: (GNU) 4.1.2"