mpegaudiodec.mid

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,图片解码,浏览,电子书,录音,想学ucos,识货的人就下吧 russblock fmradio explore set

	.file	1 "mpegaudiodec.c"
	.section .mdebug.abi32
	.previous
	.section	.text.ff_mpa_synth_init,"ax",@progbits
	.align	2
	.align	5
	.globl	ff_mpa_synth_init
	.ent	ff_mpa_synth_init
	.type	ff_mpa_synth_init, @function
ff_mpa_synth_init:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lui	$2,%hi(ff_mpa_enwindow)
	move	$8,$4
	addiu	$10,$2,%lo(ff_mpa_enwindow)
	move	$6,$0
	li	$9,512			# 0x200
$L14:
	sll	$3,$6,2
	addu	$4,$3,$10
	lw	$5,0($4)
	subu	$2,$9,$6
	sll	$2,$2,2
	addu	$7,$2,$8
	addu	$3,$3,$8
	andi	$4,$6,0x3f
	subu	$2,$0,$5
	sw	$5,0($3)
	beq	$6,$0,$L3
	movn	$5,$2,$4

	addiu	$6,$6,1
	slt	$2,$6,257
	bne	$2,$0,$L14
	sw	$5,0($7)

	j	$31
	nop

$L3:
	j	$L14
	li	$6,1			# 0x1

	.set	macro
	.set	reorder
	.end	ff_mpa_synth_init
	.section	.text.flush,"ax",@progbits
	.align	2
	.align	5
	.ent	flush
	.type	flush, @function
flush:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$2,136($4)
	j	$31
	sw	$0,1048($2)

	.set	macro
	.set	reorder
	.end	flush
	.section	.text.decode_close_mp3on4,"ax",@progbits
	.align	2
	.align	5
	.ent	decode_close_mp3on4
	.type	decode_close_mp3on4, @function
decode_close_mp3on4:
	.frame	$sp,32,$31		# vars= 0, regs= 4/0, args= 16, gp= 0
	.mask	0x80070000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$31,28($sp)
	sw	$18,24($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	lw	$18,136($4)
	lw	$3,0($18)
	blez	$3,$L19
	move	$16,$18

	move	$17,$0
$L21:
	lw	$2,8($16)
	addiu	$17,$17,1
	addiu	$16,$16,4
	beq	$2,$0,$L22
	move	$4,$2

	jal	av_free
	nop

	lw	$3,0($18)
$L22:
	slt	$2,$17,$3
	bne	$2,$0,$L21
	nop

$L19:
	lw	$31,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	decode_close_mp3on4
	.globl	__floatsisf
	.globl	__mulsf3
	.globl	__subsf3
	.globl	__addsf3
	.section	.text.compute_antialias_float,"ax",@progbits
	.align	2
	.align	5
	.ent	compute_antialias_float
	.type	compute_antialias_float, @function
compute_antialias_float:
	.frame	$sp,56,$31		# vars= 0, regs= 10/0, args= 16, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-56
	sw	$31,52($sp)
	sw	$fp,48($sp)
	sw	$23,44($sp)
	sw	$22,40($sp)
	sw	$21,36($sp)
	sw	$20,32($sp)
	sw	$19,28($sp)
	sw	$18,24($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	lbu	$3,20($5)
	li	$2,2			# 0x2
	beq	$3,$2,$L27
	li	$3,31			# 0x1f

	lui	$2,%hi(csa_table_float)
$L35:
	addiu	$20,$2,%lo(csa_table_float)
	addiu	$19,$5,188
	move	$21,$3
	addiu	$fp,$20,100
	addiu	$23,$20,112
	addiu	$22,$20,116
$L32:
	lw	$4,-4($19)
	jal	__floatsisf
	addiu	$21,$21,-1

	lw	$4,0($19)
	jal	__floatsisf
	move	$17,$2

	lw	$5,0($20)
	move	$4,$17
	jal	__mulsf3
	move	$18,$2

	move	$16,$2
	lui	$2,%hi(csa_table_float+4)
	addiu	$2,$2,%lo(csa_table_float+4)
	lw	$5,0($2)
	jal	__mulsf3
	move	$4,$18

	move	$5,$2
	jal	__subsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lui	$3,%hi(csa_table_float+4)
	addiu	$3,$3,%lo(csa_table_float+4)
	lw	$5,0($3)
	move	$4,$17
	jal	__mulsf3
	sw	$2,-4($19)

	lw	$5,0($20)
	move	$4,$18
	jal	__mulsf3
	move	$16,$2

	move	$5,$2
	jal	__addsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lw	$4,-8($19)
	jal	__floatsisf
	sw	$2,0($19)

	lw	$4,4($19)
	jal	__floatsisf
	move	$17,$2

	move	$18,$2
	lui	$2,%hi(csa_table_float+16)
	addiu	$2,$2,%lo(csa_table_float+16)
	lw	$5,0($2)
	jal	__mulsf3
	move	$4,$17

	lui	$3,%hi(csa_table_float+20)
	addiu	$3,$3,%lo(csa_table_float+20)
	lw	$5,0($3)
	move	$4,$18
	jal	__mulsf3
	move	$16,$2

	move	$5,$2
	jal	__subsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lui	$3,%hi(csa_table_float+20)
	addiu	$3,$3,%lo(csa_table_float+20)
	lw	$5,0($3)
	move	$4,$17
	jal	__mulsf3
	sw	$2,-8($19)

	move	$16,$2
	lui	$2,%hi(csa_table_float+16)
	addiu	$2,$2,%lo(csa_table_float+16)
	lw	$5,0($2)
	jal	__mulsf3
	move	$4,$18

	move	$5,$2
	jal	__addsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lw	$4,-12($19)
	jal	__floatsisf
	sw	$2,4($19)

	lw	$4,8($19)
	jal	__floatsisf
	move	$17,$2

	lui	$3,%hi(csa_table_float+32)
	addiu	$3,$3,%lo(csa_table_float+32)
	lw	$5,0($3)
	move	$4,$17
	jal	__mulsf3
	move	$18,$2

	move	$16,$2
	lui	$2,%hi(csa_table_float+36)
	addiu	$2,$2,%lo(csa_table_float+36)
	lw	$5,0($2)
	jal	__mulsf3
	move	$4,$18

	move	$5,$2
	jal	__subsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lui	$3,%hi(csa_table_float+36)
	addiu	$3,$3,%lo(csa_table_float+36)
	lw	$5,0($3)
	move	$4,$17
	jal	__mulsf3
	sw	$2,-12($19)

	move	$16,$2
	lui	$2,%hi(csa_table_float+32)
	addiu	$2,$2,%lo(csa_table_float+32)
	lw	$5,0($2)
	jal	__mulsf3
	move	$4,$18

	move	$5,$2
	jal	__addsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lw	$4,-16($19)
	jal	__floatsisf
	sw	$2,8($19)

	lw	$4,12($19)
	jal	__floatsisf
	move	$17,$2

	lui	$3,%hi(csa_table_float+48)
	addiu	$3,$3,%lo(csa_table_float+48)
	lw	$5,0($3)
	move	$4,$17
	jal	__mulsf3
	move	$18,$2

	move	$16,$2
	lui	$2,%hi(csa_table_float+52)
	addiu	$2,$2,%lo(csa_table_float+52)
	lw	$5,0($2)
	jal	__mulsf3
	move	$4,$18

	move	$5,$2
	jal	__subsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lui	$3,%hi(csa_table_float+52)
	addiu	$3,$3,%lo(csa_table_float+52)
	lw	$5,0($3)
	move	$4,$17
	jal	__mulsf3
	sw	$2,-16($19)

	move	$16,$2
	lui	$2,%hi(csa_table_float+48)
	addiu	$2,$2,%lo(csa_table_float+48)
	lw	$5,0($2)
	jal	__mulsf3
	move	$4,$18

	move	$5,$2
	jal	__addsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lw	$4,-20($19)
	jal	__floatsisf
	sw	$2,12($19)

	lw	$4,16($19)
	jal	__floatsisf
	move	$17,$2

	lui	$3,%hi(csa_table_float+64)
	addiu	$3,$3,%lo(csa_table_float+64)
	lw	$5,0($3)
	move	$4,$17
	jal	__mulsf3
	move	$18,$2

	move	$16,$2
	lui	$2,%hi(csa_table_float+68)
	addiu	$2,$2,%lo(csa_table_float+68)
	lw	$5,0($2)
	jal	__mulsf3
	move	$4,$18

	move	$5,$2
	jal	__subsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lui	$3,%hi(csa_table_float+68)
	addiu	$3,$3,%lo(csa_table_float+68)
	lw	$5,0($3)
	move	$4,$17
	jal	__mulsf3
	sw	$2,-20($19)

	move	$16,$2
	lui	$2,%hi(csa_table_float+64)
	addiu	$2,$2,%lo(csa_table_float+64)
	lw	$5,0($2)
	jal	__mulsf3
	move	$4,$18

	move	$5,$2
	jal	__addsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lw	$4,-24($19)
	jal	__floatsisf
	sw	$2,16($19)

	lw	$4,20($19)
	jal	__floatsisf
	move	$17,$2

	lui	$3,%hi(csa_table_float+80)
	addiu	$3,$3,%lo(csa_table_float+80)
	lw	$5,0($3)
	move	$4,$17
	jal	__mulsf3
	move	$18,$2

	move	$16,$2
	lui	$2,%hi(csa_table_float+84)
	addiu	$2,$2,%lo(csa_table_float+84)
	lw	$5,0($2)
	jal	__mulsf3
	move	$4,$18

	move	$5,$2
	jal	__subsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lui	$3,%hi(csa_table_float+84)
	addiu	$3,$3,%lo(csa_table_float+84)
	lw	$5,0($3)
	move	$4,$17
	jal	__mulsf3
	sw	$2,-24($19)

	move	$16,$2
	lui	$2,%hi(csa_table_float+80)
	addiu	$2,$2,%lo(csa_table_float+80)
	lw	$5,0($2)
	jal	__mulsf3
	move	$4,$18

	move	$5,$2
	jal	__addsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lw	$4,-28($19)
	jal	__floatsisf
	sw	$2,20($19)

	lw	$4,24($19)
	jal	__floatsisf
	move	$17,$2

	lui	$3,%hi(csa_table_float+96)
	addiu	$3,$3,%lo(csa_table_float+96)
	lw	$5,0($3)
	move	$4,$17
	jal	__mulsf3
	move	$18,$2

	lw	$5,0($fp)
	move	$4,$18
	jal	__mulsf3
	move	$16,$2

	move	$5,$2
	jal	__subsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lw	$5,0($fp)
	move	$4,$17
	jal	__mulsf3
	sw	$2,-28($19)

	move	$16,$2
	lui	$2,%hi(csa_table_float+96)
	addiu	$2,$2,%lo(csa_table_float+96)
	lw	$5,0($2)
	jal	__mulsf3
	move	$4,$18

	move	$5,$2
	jal	__addsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lw	$4,-32($19)
	jal	__floatsisf
	sw	$2,24($19)

	lw	$4,28($19)
	jal	__floatsisf
	move	$17,$2

	lw	$5,0($23)
	move	$4,$17
	jal	__mulsf3
	move	$18,$2

	lw	$5,0($22)
	move	$4,$18
	jal	__mulsf3
	move	$16,$2

	move	$5,$2
	jal	__subsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	lw	$5,0($22)
	sw	$2,-32($19)
	jal	__mulsf3
	move	$4,$17

	lw	$5,0($23)
	move	$4,$18
	jal	__mulsf3
	move	$16,$2

	move	$5,$2
	jal	__addsf3
	move	$4,$16

	jal	lrintf
	move	$4,$2

	sw	$2,28($19)
	bgtz	$21,$L32
	addiu	$19,$19,72

$L33:
	lw	$31,52($sp)
	lw	$fp,48($sp)
	lw	$23,44($sp)
	lw	$22,40($sp)
	lw	$21,36($sp)
	lw	$20,32($sp)
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	$31
	addiu	$sp,$sp,56

$L27:
	lbu	$2,21($5)
	beq	$2,$0,$L33
	li	$3,1			# 0x1

	j	$L35
	lui	$2,%hi(csa_table_float)

	.set	macro
	.set	reorder
	.end	compute_antialias_float
	.section	.text.compute_antialias_integer,"ax",@progbits
	.align	2
	.align	5
	.ent	compute_antialias_integer
	.type	compute_antialias_integer, @function
compute_antialias_integer:
	.frame	$sp,40,$31		# vars= 0, regs= 9/0, args= 0, gp= 0
	.mask	0x40ff0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-40
	sw	$fp,32($sp)
	sw	$23,28($sp)
	sw	$22,24($sp)
	sw	$21,20($sp)
	sw	$20,16($sp)
	sw	$19,12($sp)
	sw	$18,8($sp)
	sw	$17,4($sp)
	sw	$16,0($sp)
	lbu	$3,20($5)
	li	$2,2			# 0x2
	beq	$3,$2,$L37
	li	$3,31			# 0x1f

	lui	$2,%hi(csa_table)
$L45:
	addiu	$12,$2,%lo(csa_table)
	addiu	$11,$5,188
	move	$13,$3
	addiu	$fp,$12,60
	addiu	$23,$12,64
	addiu	$22,$12,72
	addiu	$21,$12,76
	addiu	$20,$12,80
	addiu	$19,$12,88
	addiu	$18,$12,92
	addiu	$17,$12,96
	addiu	$16,$12,104
	addiu	$25,$12,108
	addiu	$24,$12,112
	addiu	$15,$12,120
	addiu	$14,$12,124
$L42:
	lw	$6,-4($11)
	lw	$2,0($11)
	lw	$8,0($12)
	lui	$3,%hi(csa_table+8)
	addu	$4,$6,$2
	addiu	$3,$3,%lo(csa_table+8)
	lw	$9,0($3)
	mult	$4,$8
	lw	$8,-8($11)
	mfhi	$5
	mult	$2,$9
	addiu	$13,$13,-1
	mfhi	$3
	subu	$2,$5,$3
	sll	$2,$2,2
	sw	$2,-4($11)
	lui	$2,%hi(csa_table+12)
	addiu	$2,$2,%lo(csa_table+12)
	lw	$10,0($2)
	lui	$3,%hi(csa_table+16)
	mult	$6,$10
	lw	$2,4($11)
	mfhi	$7
	addiu	$3,$3,%lo(csa_table+16)
	addu	$4,$5,$7
	sll	$4,$4,2
	sw	$4,0($11)
	lw	$6,0($3)
	lui	$3,%hi(csa_table+24)
	addu	$4,$8,$2
	addiu	$3,$3,%lo(csa_table+24)
	lw	$7,0($3)
	mult	$4,$6
	lw	$6,-12($11)
	mfhi	$5
	mult	$2,$7
	mfhi	$3
	subu	$2,$5,$3
	sll	$2,$2,2
	sw	$2,-8($11)
	lui	$2,%hi(csa_table+28)
	addiu	$2,$2,%lo(csa_table+28)
	lw	$10,0($2)
	lui	$3,%hi(csa_table+32)
	mult	$8,$10
	lw	$2,8($11)
	mfhi	$9
	addiu	$3,$3,%lo(csa_table+32)
	addu	$4,$5,$9
	sll	$4,$4,2
	sw	$4,4($11)
	lw	$8,0($3)
	lui	$3,%hi(csa_table+40)
	addu	$4,$6,$2
	addiu	$3,$3,%lo(csa_table+40)
	lw	$9,0($3)
	mult	$4,$8
	lw	$8,-16($11)
	mfhi	$5
	mult	$2,$9
	mfhi	$3
	subu	$2,$5,$3
	sll	$2,$2,2
	sw	$2,-12($11)
	lui	$2,%hi(csa_table+44)
	addiu	$2,$2,%lo(csa_table+44)
	lw	$10,0($2)
	lui	$3,%hi(csa_table+48)
	mult	$6,$10
	lw	$2,12($11)
	mfhi	$7
	addiu	$3,$3,%lo(csa_table+48)
	addu	$4,$5,$7
	sll	$4,$4,2
	sw	$4,8($11)
	lw	$6,0($3)
	lui	$3,%hi(csa_table+56)
	addu	$4,$8,$2
	addiu	$3,$3,%lo(csa_table+56)
	lw	$7,0($3)
	mult	$4,$6
	lw	$6,-20($11)
	mfhi	$5
	mult	$2,$7
	mfhi	$3
	subu	$2,$5,$3
	sll	$2,$2,2
	sw	$2,-16($11)
	lw	$10,0($fp)
	lw	$2,16($11)
	mult	$8,$10
	mfhi	$9
	addu	$4,$5,$9
	sll	$4,$4,2
	sw	$4,12($11)
	lw	$8,0($23)
	addu	$4,$6,$2
	lw	$9,0($22)
	mult	$4,$8
	mfhi	$5
	mult	$2,$9
	mfhi	$3
	subu	$2,$5,$3
	sll	$2,$2,2
	sw	$2,-20($11)
	lw	$8,0($21)
	mult	$6,$8
	mfhi	$7
	addu	$4,$5,$7
	sll	$4,$4,2
	sw	$4,16($11)
	lw	$6,-24($11)
	lw	$2,20($11)
	lw	$8,0($20)
	addu	$4,$6,$2
	lw	$9,0($19)
	mult	$4,$8
	lw	$8,-28($11)
	mfhi	$5
	mult	$2,$9
	mfhi	$3
	subu	$2,$5,$3
	sll	$2,$2,2
	sw	$2,-24($11)
	lw	$10,0($18)
	lw	$2,24($11)
	mult	$6,$10
	mfhi	$7
	addu	$4,$5,$7
	sll	$4,$4,2
	sw	$4,20($11)
	lw	$6,0($17)
	addu	$4,$8,$2
	lw	$7,0($16)
	mult	$4,$6
	lw	$6,-32($11)
	mfhi	$5
	mult	$2,$7
	mfhi	$3
	subu	$2,$5,$3
	sll	$2,$2,2
	sw	$2,-28($11)
	lw	$10,0($25)
	lw	$2,28($11)
	mult	$8,$10
	mfhi	$9
	addu	$4,$5,$9
	sll	$4,$4,2
	sw	$4,24($11)
	lw	$8,0($24)
	addu	$4,$6,$2
	mult	$4,$8
	lw	$9,0($15)
	mfhi	$5
	mult	$2,$9
	mfhi	$3
	subu	$2,$5,$3
	sll	$2,$2,2
	sw	$2,-32($11)
	lw	$8,0($14)
	mult	$6,$8
	mfhi	$7
	addu	$4,$5,$7
	sll	$4,$4,2
	sw	$4,28($11)
	bgtz	$13,$L42
	addiu	$11,$11,72

$L43:
	lw	$fp,32($sp)
	lw	$23,28($sp)
	lw	$22,24($sp)
	lw	$21,20($sp)
	lw	$20,16($sp)
	lw	$19,12($sp)
	lw	$18,8($sp)
	lw	$17,4($sp)
	lw	$16,0($sp)
	j	$31
	addiu	$sp,$sp,40

$L37:
	lbu	$2,21($5)
	beq	$2,$0,$L43
	li	$3,1			# 0x1

	j	$L45
	lui	$2,%hi(csa_table)

	.set	macro
	.set	reorder
	.end	compute_antialias_integer
	.section	.text.compute_imdct,"ax",@progbits
	.align	2
	.align	5
	.ent	compute_imdct
	.type	compute_imdct, @function
compute_imdct:
	.frame	$sp,472,$31		# vars= 432, regs= 9/0, args= 0, gp= 0
	.mask	0x40ff0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$8,$5,2420
	addiu	$9,$5,260
	addiu	$sp,$sp,-472
	addiu	$3,$5,116
	sltu	$2,$8,$9