drc.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 542 行

	.file	1 "drc.c"
	.section .mdebug.abi32
	.previous
	.section	.text.drc_decode,"ax",@progbits
	.align	2
	.align	5
	.globl	drc_decode
	.ent	drc_decode
	.type	drc_decode, @function
drc_decode:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lbu	$3,1($4)
	li	$2,1			# 0x1
	move	$12,$4
	beq	$3,$2,$L31
	move	$10,$5

$L2:
	beq	$3,$0,$L34
	lui	$2,%hi(drc_pow2_table)

	addiu	$15,$2,%lo(drc_pow2_table)
	li	$3,715784192			# 0x2aaa0000
	ori	$13,$3,0xaaab
	move	$11,$0
	move	$6,$0
	move	$25,$15
$L6:
	addu	$8,$12,$11
	lbu	$2,4($8)
	lbu	$3,22($8)
	sll	$2,$2,2
	beq	$3,$0,$L7
	addiu	$9,$2,4

	lbu	$3,39($8)
	lbu	$2,21($12)
	li	$4,80			# 0x50
	addu	$3,$3,$2
	subu	$4,$4,$3
	mult	$4,$13
	sra	$3,$4,31
	mfhi	$2
	sra	$2,$2,2
	subu	$8,$2,$3
	sll	$5,$8,3
	sll	$2,$8,5
	subu	$2,$2,$5
	bltz	$8,$L32
	subu	$3,$4,$2

$L10:
	sltu	$2,$6,$9
	beq	$2,$0,$L13
	nop

	bne	$3,$0,$L19
	sll	$2,$3,2

$L21:
	sll	$3,$6,2
	addu	$3,$3,$10
	addiu	$4,$6,1
	lw	$2,0($3)
	andi	$6,$4,0xffff
	sll	$2,$2,$8
	sltu	$4,$6,$9
	bne	$4,$0,$L21
	sw	$2,0($3)

$L13:
	addiu	$3,$11,1
$L33:
	lbu	$2,1($12)
	andi	$11,$3,0xffff
	sltu	$2,$11,$2
	bne	$2,$0,$L6
	move	$6,$9

$L34:
	j	$31
	nop

$L7:
	lbu	$3,39($8)
	lbu	$2,21($12)
	addu	$3,$3,$2
	addiu	$3,$3,-80
	mult	$3,$13
	sra	$4,$3,31
	mfhi	$2
	sra	$2,$2,2
	subu	$8,$2,$4
	sll	$5,$8,3
	sll	$2,$8,5
	subu	$2,$2,$5
	bgez	$8,$L10
	subu	$3,$3,$2

$L32:
	sltu	$2,$6,$9
	beq	$2,$0,$L13
	nop

	bne	$3,$0,$L15
	subu	$8,$0,$8

	move	$5,$6
$L17:
	sll	$3,$5,2
	addu	$3,$10,$3
	addiu	$4,$5,1
	lw	$2,0($3)
	andi	$5,$4,0xffff
	sra	$2,$2,$8
	sltu	$4,$5,$9
	bne	$4,$0,$L17
	sw	$2,0($3)

	addiu	$3,$11,1
	lbu	$2,1($12)
	andi	$11,$3,0xffff
	sltu	$2,$11,$2
	bne	$2,$0,$L6
	move	$6,$9

	j	$L34
	nop

$L31:
	li	$2,-1
	j	$L2
	sb	$2,4($4)

$L15:
	sll	$2,$3,2
	addu	$2,$2,$25
	lw	$24,92($2)
	move	$14,$6
$L18:
	sll	$7,$14,2
	addu	$7,$10,$7
	lw	$4,0($7)
	addiu	$6,$14,1
	sra	$4,$4,$8
	mult	$4,$24
	andi	$14,$6,0xffff
	mflo	$4
	mfhi	$5
	addiu	$2,$4,8192
	sltu	$6,$2,$4
	addu	$3,$6,$5
	sll	$4,$3,18
	srl	$2,$2,14
	or	$2,$4,$2
	sltu	$5,$14,$9
	bne	$5,$0,$L18
	sw	$2,0($7)

	j	$L33
	addiu	$3,$11,1

$L19:
	addu	$2,$2,$15
	lw	$24,92($2)
	move	$14,$6
$L22:
	sll	$7,$14,2
	addu	$7,$7,$10
	lw	$4,0($7)
	addiu	$6,$14,1
	sll	$4,$4,$8
	mult	$4,$24
	andi	$14,$6,0xffff
	mflo	$4
	mfhi	$5
	addiu	$2,$4,8192
	sltu	$6,$2,$4
	addu	$3,$6,$5
	sll	$4,$3,18
	srl	$2,$2,14
	or	$2,$4,$2
	sltu	$5,$14,$9
	bne	$5,$0,$L22
	sw	$2,0($7)

	j	$L33
	addiu	$3,$11,1

	.set	macro
	.set	reorder
	.end	drc_decode
	.section	.text.drc_end,"ax",@progbits
	.align	2
	.align	5
	.globl	drc_end
	.ent	drc_end
	.type	drc_end, @function
drc_end:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	beq	$4,$0,$L39
	nop

	j	faad_free
	nop

$L39:
	j	$31
	nop

	.set	macro
	.set	reorder
	.end	drc_end
	.section	.text.drc_init,"ax",@progbits
	.align	2
	.align	5
	.globl	drc_init
	.ent	drc_init
	.type	drc_init, @function
drc_init:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	addiu	$sp,$sp,-32
	sw	$16,16($sp)
	move	$16,$4
	li	$4,192			# 0xc0
	sw	$17,20($sp)
	sw	$31,24($sp)
	.set	noreorder
	.set	nomacro
	jal	faad_malloc
	move	$17,$5
	.set	macro
	.set	reorder

	move	$6,$2
	li	$3,4			# 0x4
	andi	$2,$2,0x3
	subu	$3,$3,$2
	li	$2,2			# 0x2
	addiu	$7,$6,192
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L43
	move	$4,$6
	.set	macro
	.set	reorder

	li	$2,3			# 0x3
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L44
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	beq	$3,$2,$L63
$L41:
	addiu	$5,$4,-4
	move	$2,$0
#APP
	S32I2M xr1,$2
#NO_APP
	andi	$3,$4,0x1f
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L65
	addiu	$2,$7,-31
	.set	macro
	.set	reorder

	li	$2,-32			# 0xffffffffffffffe0
	and	$2,$5,$2
	addiu	$4,$2,32
	sltu	$3,$5,$4
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L65
	addiu	$2,$7,-31
	.set	macro
	.set	reorder

$L57:
#APP
	S32SDI xr1,$5,4
#NO_APP
	sltu	$2,$5,$4
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L57
	addiu	$2,$7,-31
	.set	macro
	.set	reorder

$L65:
	li	$3,-32			# 0xffffffffffffffe0
	and	$3,$2,$3
	sltu	$4,$5,$3
	.set	noreorder
	.set	nomacro
	beq	$4,$0,$L66
	addiu	$2,$7,-4
	.set	macro
	.set	reorder

	addiu	$2,$5,4
$L67:
#APP
	pref 30,0($2)
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
#NO_APP
	sltu	$2,$5,$3
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L67
	addiu	$2,$5,4
	.set	macro
	.set	reorder

	addiu	$2,$7,-4
$L66:
	li	$3,-4			# 0xfffffffffffffffc
	and	$3,$2,$3
	sltu	$4,$5,$3
	beq	$4,$0,$L50
$L59:
#APP
	S32SDI xr1,$5,4
#NO_APP
	sltu	$2,$5,$3
	bne	$2,$0,$L59
$L50:
	andi	$3,$7,0x3
	li	$2,2			# 0x2
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L54
	addiu	$4,$5,4
	.set	macro
	.set	reorder

	li	$2,3			# 0x3
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L55
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L64
	li	$3,1
	.set	macro
	.set	reorder

	li	$2,-1
	sb	$2,4($6)
	sw	$16,184($6)
	sw	$17,188($6)
	sb	$3,22($6)
	sb	$3,1($6)
	sb	$0,39($6)
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$6
	.set	noreorder
	.set	nomacro
	j	$31
	addiu	$sp,$sp,32
	.set	macro
	.set	reorder

$L54:
	li	$3,1
	li	$2,-1
	sb	$0,4($5)
	sb	$0,1($4)
	sb	$2,4($6)
	sw	$16,184($6)
	sw	$17,188($6)
	sb	$3,22($6)
	sb	$3,1($6)
	sb	$0,39($6)
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$6
	.set	noreorder
	.set	nomacro
	j	$31
	addiu	$sp,$sp,32
	.set	macro
	.set	reorder

$L43:
	addiu	$4,$6,2
	sb	$0,0($6)
	.set	noreorder
	.set	nomacro
	j	$L41
	sb	$0,1($6)
	.set	macro
	.set	reorder

$L55:
	li	$3,1
	li	$2,-1
	sb	$0,6($5)
	sb	$0,4($5)
	sb	$0,5($5)
	sb	$2,4($6)
	sw	$16,184($6)
	sw	$17,188($6)
	sb	$3,22($6)
	sb	$3,1($6)
	sb	$0,39($6)
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$6
	.set	noreorder
	.set	nomacro
	j	$31
	addiu	$sp,$sp,32
	.set	macro
	.set	reorder

$L44:
	addiu	$4,$6,3
	sb	$0,0($6)
	sb	$0,1($6)
	.set	noreorder
	.set	nomacro
	j	$L41
	sb	$0,2($6)
	.set	macro
	.set	reorder

$L64:
	li	$2,-1
	sb	$0,4($5)
	sb	$2,4($6)
	sw	$16,184($6)
	sw	$17,188($6)
	sb	$3,22($6)
	sb	$3,1($6)
	sb	$0,39($6)
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$6
	.set	noreorder
	.set	nomacro
	j	$31
	addiu	$sp,$sp,32
	.set	macro
	.set	reorder

$L63:
	addiu	$4,$6,1
	.set	noreorder
	.set	nomacro
	j	$L41
	sb	$0,0($6)
	.set	macro
	.set	reorder

	.end	drc_init
	.rdata
	.align	2
	.type	drc_pow2_table, @object
	.size	drc_pow2_table, 188
drc_pow2_table:
	.word	138150608
	.word	142198729
	.word	146365470
	.word	150654306
	.word	155068814
	.word	159612677
	.word	164289686
	.word	169103741
	.word	174058859
	.word	179159172
	.word	184408937
	.word	189812531
	.word	195374463
	.word	201099372
	.word	206992033
	.word	213057363
	.word	219300420
	.word	225726413
	.word	232340701
	.word	239148804
	.word	246156398
	.word	253369332
	.word	260793620
	.word	268435456
	.word	276301215
	.word	284397459
	.word	292730940
	.word	301308612
	.word	310137628
	.word	319225354
	.word	328579371
	.word	338207482
	.word	348117717
	.word	358318345
	.word	368817874
	.word	379625063
	.word	390748926
	.word	402198743
	.word	413984066
	.word	426114725
	.word	438600840
	.word	451452825
	.word	464681403
	.word	478297607
	.word	492312797
	.word	506738663
	.word	521587239
	.ident	"GCC: (GNU) 4.1.2"