ac3.s

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

beq	$7,$0,$L75
andi	$3,$13,0xffff

addiu	$13,$13,-64
beq	$2,$0,$L78
move	$3,$0

move	$13,$0
$L75:
subu	$12,$5,$25
addu	$2,$sp,$9
subu	$3,$12,$3
slt	$4,$4,$5
addiu	$8,$8,2
addiu	$9,$9,2
sh	$3,0($2)
beq	$4,$0,$L43
subu	$11,$5,$15

addiu	$6,$6,1
li	$2,7			# 0x7
bne	$6,$2,$L72
li	$5,7			# 0x7

j	$L176
li	$4,22			# 0x16

$L167:
j	$L75
li	$13,384			# 0x180

$L84:
sll	$2,$5,1
addu	$10,$sp,$2
move	$8,$5
move	$14,$4
addu	$9,$17,$2
$L104:
slt	$2,$8,7
lh	$6,0($9)
beq	$2,$0,$L105
lh	$3,2($9)

addiu	$2,$6,256
beq	$3,$2,$L168
slt	$2,$3,$6

$L175:
beq	$2,$0,$L174
subu	$5,$6,$25

slt	$2,$13,65
bne	$2,$0,$L111
nop

addiu	$13,$13,-64
$L109:
subu	$5,$6,$25
$L174:
subu	$4,$12,$19
subu	$6,$6,$15
subu	$7,$11,$20
slt	$2,$5,$4
move	$12,$4
slt	$3,$6,$7
movz	$12,$5,$2
move	$11,$7
movz	$11,$6,$3
subu	$2,$12,$13
slt	$3,$11,$2
movz	$2,$11,$3
addiu	$8,$8,1
sh	$2,0($10)
addiu	$9,$9,2
bne	$8,$14,$L104
addiu	$10,$10,2

j	$L169
li	$3,22			# 0x16

$L168:
j	$L109
li	$13,384			# 0x180

$L105:
slt	$2,$8,20
beq	$2,$0,$L113
slt	$2,$13,129

addiu	$2,$6,256
bne	$3,$2,$L175
slt	$2,$3,$6

j	$L109
li	$13,320			# 0x140

$L78:
j	$L75
andi	$3,$13,0xffff

$L111:
j	$L109
move	$13,$0

$L113:
bne	$2,$0,$L111
nop

j	$L109
addiu	$13,$13,-128

.set	macro
.set	reorder
.end	ff_ac3_bit_alloc_calc_mask
.section	.text.ac3_common_init,"ax",@progbits
.align	2
.align	5
.globl	ac3_common_init
.ent	ac3_common_init
.type	ac3_common_init, @function
ac3_common_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(masktab)
addiu	$13,$2,%lo(masktab)
lui	$14,%hi(bndtab)
lui	$2,%hi(ff_ac3_bndsz)
addiu	$2,$2,%lo(ff_ac3_bndsz)
move	$8,$0
move	$3,$0
move	$10,$0
addiu	$9,$14,%lo(bndtab)
li	$11,50			# 0x32
move	$12,$13
$L178:
lbu	$6,0($2)
blez	$6,$L179
sb	$10,0($9)

addu	$7,$3,$6
andi	$5,$8,0x00ff
addu	$3,$3,$13
addu	$4,$7,$12
$L181:
sb	$5,0($3)
addiu	$3,$3,1
bne	$3,$4,$L181
nop

move	$3,$7
$L179:
addiu	$8,$8,1
addu	$10,$10,$6
addiu	$9,$9,1
bne	$8,$11,$L178
addiu	$2,$2,1

addiu	$2,$14,%lo(bndtab)
j	$31
sb	$10,50($2)

.set	macro
.set	reorder
.end	ac3_common_init
.section	.text.ff_ac3_bit_alloc_calc_bap,"ax",@progbits
.align	2
.align	5
.globl	ff_ac3_bit_alloc_calc_bap
.ent	ff_ac3_bit_alloc_calc_bap
.type	ff_ac3_bit_alloc_calc_bap, @function
ff_ac3_bit_alloc_calc_bap:
.frame	$sp,24,$31		# vars= 0, regs= 5/0, args= 0, gp= 0
.mask	0x001f0000,-8
.fmask	0x00000000,0
addiu	$sp,$sp,-24
sw	$19,12($sp)
lw	$19,40($sp)
li	$2,-960			# 0xfffffffffffffc40
sw	$20,16($sp)
sw	$17,4($sp)
sw	$16,0($sp)
sw	$18,8($sp)
move	$8,$4
move	$20,$5
lw	$17,44($sp)
.set	noreorder
.set	nomacro
beq	$19,$2,$L222
lw	$16,48($sp)
.set	macro
.set	reorder

lui	$2,%hi(masktab)
addiu	$2,$2,%lo(masktab)
addu	$2,$6,$2
lbu	$4,0($2)
lui	$2,%hi(ff_ac3_bndsz)
sll	$3,$4,1
addiu	$2,$2,%lo(ff_ac3_bndsz)
addu	$25,$8,$3
lui	$3,%hi(bndtab)
addu	$24,$4,$2
addiu	$3,$3,%lo(bndtab)
lui	$2,%hi(ff_ac3_baptab)
addu	$15,$4,$3
addiu	$18,$2,%lo(ff_ac3_baptab)
$L207:
lh	$2,0($25)
lbu	$4,0($15)
lbu	$3,0($24)
subu	$2,$2,$19
addu	$8,$4,$3
subu	$2,$2,$17
slt	$3,$2,0
slt	$4,$7,$8
movn	$2,$0,$3
movn	$8,$7,$4
andi	$2,$2,0x1fe0
slt	$3,$6,$8
move	$5,$15
.set	noreorder
.set	nomacro
beq	$3,$0,$L208
addu	$12,$17,$2
.set	macro
.set	reorder

sll	$2,$6,1
subu	$11,$8,$6
addu	$9,$2,$20
addu	$8,$6,$16
move	$10,$0
li	$14,63			# 0x3f
move	$13,$18
$L210:
lh	$2,0($9)
addiu	$10,$10,1
subu	$2,$2,$12
sra	$2,$2,5
slt	$3,$2,64
movz	$2,$14,$3
slt	$4,$2,0
movn	$2,$0,$4
addu	$2,$2,$13
lbu	$3,0($2)
addiu	$9,$9,2
sb	$3,0($8)
.set	noreorder
.set	nomacro
bne	$10,$11,$L210
addiu	$8,$8,1
.set	macro
.set	reorder

addu	$6,$6,$10
$L208:
lbu	$2,0($5)
addiu	$25,$25,2
slt	$2,$2,$7
addiu	$15,$15,1
.set	noreorder
.set	nomacro
bne	$2,$0,$L207
addiu	$24,$24,1
.set	macro
.set	reorder

$L212:
lw	$20,16($sp)
$L227:
lw	$19,12($sp)
lw	$18,8($sp)
lw	$17,4($sp)
lw	$16,0($sp)
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,24
.set	macro
.set	reorder

$L222:
andi	$2,$16,0x3
li	$3,4			# 0x4
subu	$3,$3,$2
li	$2,2			# 0x2
addiu	$6,$16,256
.set	noreorder
.set	nomacro
beq	$3,$2,$L194
move	$4,$16
.set	macro
.set	reorder

li	$2,3			# 0x3
.set	noreorder
.set	nomacro
beq	$3,$2,$L195
li	$2,1			# 0x1
.set	macro
.set	reorder

beq	$3,$2,$L223
$L192:
addiu	$5,$4,-4
move	$2,$0
#APP
.word	0b01110000000000100000000001101111	#S32I2M XR1,$2
#NO_APP
andi	$3,$4,0x1f
.set	noreorder
.set	nomacro
beq	$3,$0,$L224
addiu	$2,$6,-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,$0,$L224
addiu	$2,$6,-31
.set	macro
.set	reorder

$L213:
#APP
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$4
.set	noreorder
.set	nomacro
bne	$2,$0,$L213
addiu	$2,$6,-31
.set	macro
.set	reorder

$L224:
li	$3,-32			# 0xffffffffffffffe0
and	$3,$2,$3
sltu	$4,$5,$3
.set	noreorder
.set	nomacro
beq	$4,$0,$L225
addiu	$2,$6,-4
.set	macro
.set	reorder

addiu	$2,$5,4
$L226:
#APP
pref 30,0($2)
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$3
.set	noreorder
.set	nomacro
bne	$2,$0,$L226
addiu	$2,$5,4
.set	macro
.set	reorder

addiu	$2,$6,-4
$L225:
li	$3,-4			# 0xfffffffffffffffc
and	$3,$2,$3
sltu	$4,$5,$3
beq	$4,$0,$L201
$L215:
#APP
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$3
bne	$2,$0,$L215
$L201:
andi	$3,$6,0x3
li	$2,2			# 0x2
.set	noreorder
.set	nomacro
beq	$3,$2,$L205
addiu	$4,$5,4
.set	macro
.set	reorder

li	$2,3			# 0x3
.set	noreorder
.set	nomacro
beq	$3,$2,$L206
li	$2,1			# 0x1
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bne	$3,$2,$L227
lw	$20,16($sp)
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L212
sb	$0,4($5)
.set	macro
.set	reorder

$L195:
addiu	$4,$16,3
sb	$0,0($16)
sb	$0,1($16)
.set	noreorder
.set	nomacro
j	$L192
sb	$0,2($16)
.set	macro
.set	reorder

$L194:
addiu	$4,$16,2
sb	$0,0($16)
.set	noreorder
.set	nomacro
j	$L192
sb	$0,1($16)
.set	macro
.set	reorder

$L205:
sb	$0,4($5)
.set	noreorder
.set	nomacro
j	$L212
sb	$0,1($4)
.set	macro
.set	reorder

$L206:
sb	$0,6($5)
sb	$0,4($5)
.set	noreorder
.set	nomacro
j	$L212
sb	$0,5($5)
.set	macro
.set	reorder

$L223:
addiu	$4,$16,1
.set	noreorder
.set	nomacro
j	$L192
sb	$0,0($16)
.set	macro
.set	reorder

.end	ff_ac3_bit_alloc_calc_bap
.section	.text.ac3_parametric_bit_allocation,"ax",@progbits
.align	2
.align	5
.globl	ac3_parametric_bit_allocation
.ent	ac3_parametric_bit_allocation
.type	ac3_parametric_bit_allocation, @function
ac3_parametric_bit_allocation:
.frame	$sp,792,$31		# vars= 712, regs= 7/0, args= 48, gp= 0
.mask	0x803f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-792
sw	$17,764($sp)
lw	$17,808($sp)
sw	$21,780($sp)
slt	$2,$7,$17
sw	$20,776($sp)
sw	$18,768($sp)
sw	$31,784($sp)
sw	$19,772($sp)
sw	$16,760($sp)
move	$18,$7
move	$20,$4
beq	$2,$0,$L240
move	$21,$5

sll	$2,$7,1
addiu	$19,$sp,248
addu	$6,$6,$7
subu	$5,$17,$7
addu	$3,$19,$2
move	$4,$0
li	$7,3072			# 0xc00
$L231:
lb	$2,0($6)
addiu	$4,$4,1
sll	$2,$2,7
subu	$2,$7,$2
sh	$2,0($3)
addiu	$6,$6,1
bne	$4,$5,$L231
addiu	$3,$3,2

$L229:
lui	$2,%hi(masktab)
addiu	$2,$2,%lo(masktab)
addu	$2,$18,$2
lbu	$3,0($2)
lui	$2,%hi(bndtab)
sll	$4,$3,1
addiu	$2,$2,%lo(bndtab)
addiu	$3,$3,1
addu	$13,$3,$2
addiu	$16,$sp,48
lui	$2,%hi(ff_ac3_latab)
addu	$12,$16,$4
addiu	$15,$2,%lo(ff_ac3_latab)
move	$3,$18
$L232:
lbu	$2,0($13)
addiu	$8,$3,1
slt	$14,$2,$17
move	$9,$2
movz	$9,$17,$14
sll	$3,$3,1
addu	$3,$3,$19
slt	$2,$8,$9
beq	$2,$0,$L233
lh	$6,0($3)

move	$7,$3
li	$11,255			# 0xff
move	$10,$15
$L235:
lh	$5,2($7)
addiu	$8,$8,1
subu	$2,$6,$5
subu	$4,$0,$2
slt	$3,$2,0
movn	$2,$4,$3
sra	$2,$2,1
slt	$3,$2,256
movz	$2,$11,$3
addu	$2,$2,$10
lbu	$4,0($2)
slt	$3,$6,$5
movz	$5,$6,$3
slt	$2,$8,$9
addu	$6,$5,$4
bne	$2,$0,$L235
addiu	$7,$7,2

$L233:
sh	$6,0($12)
addiu	$13,$13,1
beq	$14,$0,$L237
addiu	$12,$12,2

j	$L232
move	$3,$8

$L237:
lw	$2,816($sp)
lw	$3,820($sp)
sw	$2,16($sp)
lw	$2,824($sp)
sw	$3,20($sp)
sw	$2,24($sp)
lw	$3,828($sp)
lw	$2,832($sp)
sw	$3,28($sp)
sw	$2,32($sp)
lw	$3,836($sp)
lw	$2,840($sp)
move	$5,$16
move	$4,$20
addiu	$16,$sp,148
move	$6,$18
move	$7,$17
sw	$3,36($sp)
sw	$2,40($sp)
jal	ff_ac3_bit_alloc_calc_mask
sw	$16,44($sp)

lw	$3,24($20)
lw	$2,812($sp)
move	$4,$16
move	$5,$19
move	$6,$18
move	$7,$17
sw	$21,24($sp)
sw	$2,16($sp)
jal	ff_ac3_bit_alloc_calc_bap
sw	$3,20($sp)

lw	$31,784($sp)
lw	$21,780($sp)
lw	$20,776($sp)
lw	$19,772($sp)
lw	$18,768($sp)
lw	$17,764($sp)
lw	$16,760($sp)
j	$31
addiu	$sp,$sp,792

$L240:
j	$L229
addiu	$19,$sp,248

.set	macro
.set	reorder
.end	ac3_parametric_bit_allocation
.local	bndtab
.comm	bndtab,51,4
.local	masktab
.comm	masktab,253,4
.ident	"GCC: (GNU) 4.1.2"