mpeg12.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

	beq	$4,$2,$L180
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	beq	$4,$2,$L205
$L164:
	lw	$2,8528($18)
$L210:
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L181
	addiu	$16,$18,5040
	.set	macro
	.set	reorder

	lui	$17,%hi(ff_alternate_vertical_scan)
	addiu	$5,$18,7300
	addiu	$6,$17,%lo(ff_alternate_vertical_scan)
	.set	noreorder
	.set	nomacro
	jal	ff_init_scantable
	move	$4,$16
	.set	macro
	.set	reorder

	move	$4,$16
	addiu	$5,$18,6904
	addiu	$6,$17,%lo(ff_alternate_vertical_scan)
$L198:
	lw	$31,52($sp)
	lw	$18,48($sp)
	lw	$17,44($sp)
	lw	$16,40($sp)
	.set	noreorder
	.set	nomacro
	j	ff_init_scantable
	addiu	$sp,$sp,56
	.set	macro
	.set	reorder

$L130:
	lbu	$2,0($5)
	li	$12,5			# 0x5
	srl	$2,$2,3
	andi	$2,$2,0x1
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L140
	sw	$12,8($13)
	.set	macro
	.set	reorder

	lui	$2,%hi(ff_zigzag_direct)
	lui	$3,%hi(ff_zigzag_direct+64)
	addiu	$9,$2,%lo(ff_zigzag_direct)
	addiu	$10,$3,%lo(ff_zigzag_direct+64)
$L142:
	sra	$3,$12,3
	addu	$3,$3,$14
	lbu	$4,0($3)
	lbu	$5,1($3)
	lbu	$6,0($9)
	lbu	$7,3($3)
	lbu	$2,2($3)
	andi	$8,$12,0x7
	sll	$4,$4,24
	sll	$5,$5,16
	addiu	$12,$12,8
	or	$4,$4,$5
	sw	$12,8($13)
	addu	$6,$6,$18
	or	$4,$4,$7
	sll	$2,$2,8
	lbu	$3,5040($6)
	or	$2,$2,$4
	sll	$2,$2,$8
	sll	$3,$3,1
	srl	$2,$2,24
	addu	$3,$3,$18
	addiu	$9,$9,1
	sh	$2,6380($3)
	.set	noreorder
	.set	nomacro
	bne	$9,$10,$L142
	sh	$2,6252($3)
	.set	macro
	.set	reorder

$L140:
	sra	$2,$12,3
	addu	$2,$14,$2
	lbu	$3,0($2)
	andi	$4,$12,0x7
	sll	$3,$3,$4
	andi	$3,$3,0x00ff
	addiu	$12,$12,1
	srl	$3,$3,7
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L143
	sw	$12,8($13)
	.set	macro
	.set	reorder

	lui	$2,%hi(ff_zigzag_direct)
	lui	$3,%hi(ff_zigzag_direct+64)
	addiu	$9,$2,%lo(ff_zigzag_direct)
	addiu	$10,$3,%lo(ff_zigzag_direct+64)
$L145:
	sra	$3,$12,3
	addu	$3,$3,$14
	lbu	$4,0($3)
	lbu	$5,1($3)
	lbu	$6,0($9)
	lbu	$7,3($3)
	lbu	$2,2($3)
	andi	$8,$12,0x7
	sll	$4,$4,24
	sll	$5,$5,16
	addiu	$12,$12,8
	or	$4,$4,$5
	sw	$12,8($13)
	addu	$6,$6,$18
	or	$4,$4,$7
	sll	$2,$2,8
	lbu	$3,5040($6)
	or	$2,$2,$4
	sll	$2,$2,$8
	sll	$3,$3,1
	srl	$2,$2,24
	addu	$3,$3,$18
	addiu	$9,$9,1
	sh	$2,6636($3)
	.set	noreorder
	.set	nomacro
	bne	$9,$10,$L145
	sh	$2,6508($3)
	.set	macro
	.set	reorder

$L143:
	sra	$2,$12,3
	addu	$2,$14,$2
	lbu	$3,0($2)
	andi	$4,$12,0x7
	sll	$3,$3,$4
	andi	$3,$3,0x00ff
	addiu	$12,$12,1
	srl	$3,$3,7
	.set	noreorder
	.set	nomacro
	bne	$3,$0,$L206
	sw	$12,8($13)
	.set	macro
	.set	reorder

	sra	$2,$12,3
$L209:
	addu	$2,$14,$2
	lbu	$3,0($2)
	andi	$4,$12,0x7
	sll	$3,$3,$4
	andi	$3,$3,0x00ff
	addiu	$12,$12,1
	srl	$3,$3,7
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L183
	sw	$12,8($13)
	.set	macro
	.set	reorder

	lui	$2,%hi(ff_zigzag_direct)
	lui	$3,%hi(ff_zigzag_direct+64)
	addiu	$9,$2,%lo(ff_zigzag_direct)
	addiu	$10,$3,%lo(ff_zigzag_direct+64)
$L150:
	sra	$3,$12,3
	addu	$3,$3,$14
	lbu	$4,0($3)
	lbu	$5,1($3)
	lbu	$6,0($9)
	lbu	$7,3($3)
	lbu	$2,2($3)
	andi	$8,$12,0x7
	sll	$4,$4,24
	sll	$5,$5,16
	addiu	$12,$12,8
	or	$4,$4,$5
	sw	$12,8($13)
	addu	$6,$6,$18
	or	$4,$4,$7
	sll	$2,$2,8
	lbu	$3,5040($6)
	or	$2,$2,$4
	sll	$2,$2,$8
	sll	$3,$3,1
	srl	$2,$2,24
	addu	$3,$3,$18
	addiu	$9,$9,1
	.set	noreorder
	.set	nomacro
	bne	$9,$10,$L150
	sh	$2,6636($3)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L208
	lw	$31,52($sp)
	.set	macro
	.set	reorder

$L129:
	li	$12,7			# 0x7
	sw	$12,8($13)
	lbu	$2,0($5)
	li	$12,8			# 0x8
	sll	$2,$2,7
	andi	$2,$2,0x00ff
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L207
	sw	$12,8($13)
	.set	macro
	.set	reorder

$L137:
	lw	$9,8($13)
	lw	$15,0($18)
	addiu	$12,$9,15
	sra	$2,$9,3
	addu	$2,$2,$14
	sra	$5,$12,3
	lbu	$11,3($2)
	lbu	$6,2($2)
	lbu	$4,0($2)
	lbu	$8,1($2)
	addu	$5,$5,$14
	sw	$12,8($13)
	lbu	$2,0($5)
	lbu	$7,1($5)
	lbu	$10,3($5)
	lbu	$3,2($5)
	sll	$8,$8,16
	sll	$7,$7,16
	sll	$4,$4,24
	sll	$2,$2,24
	or	$4,$4,$8
	or	$2,$2,$7
	or	$4,$4,$11
	or	$2,$2,$10
	sll	$6,$6,8
	sll	$3,$3,8
	or	$6,$6,$4
	or	$3,$3,$2
	andi	$4,$12,0x7
	andi	$2,$9,0x7
	sll	$6,$6,$2
	sll	$3,$3,$4
	srl	$7,$6,18
	srl	$8,$3,18
	sll	$2,$7,4
	addiu	$12,$9,30
	sll	$3,$8,4
	sw	$12,8($13)
	sw	$2,8716($18)
	sw	$3,8720($18)
	lw	$2,412($15)
	andi	$2,$2,0x1
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L183
	lui	$6,%hi($LC2)
	.set	macro
	.set	reorder

	move	$4,$15
	addiu	$6,$6,%lo($LC2)
	li	$5,2			# 0x2
	.set	noreorder
	.set	nomacro
	jal	av_log
	sw	$8,16($sp)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L208
	lw	$31,52($sp)
	.set	macro
	.set	reorder

$L206:
	lui	$2,%hi(ff_zigzag_direct)
	lui	$3,%hi(ff_zigzag_direct+64)
	addiu	$9,$2,%lo(ff_zigzag_direct)
	addiu	$10,$3,%lo(ff_zigzag_direct+64)
$L148:
	sra	$3,$12,3
	addu	$3,$3,$14
	lbu	$4,0($3)
	lbu	$5,1($3)
	lbu	$6,0($9)
	lbu	$7,3($3)
	lbu	$2,2($3)
	andi	$8,$12,0x7
	sll	$4,$4,24
	sll	$5,$5,16
	addiu	$12,$12,8
	or	$4,$4,$5
	sw	$12,8($13)
	addu	$6,$6,$18
	or	$4,$4,$7
	sll	$2,$2,8
	lbu	$3,5040($6)
	or	$2,$2,$4
	sll	$2,$2,$8
	sll	$3,$3,1
	srl	$2,$2,24
	addu	$3,$3,$18
	addiu	$9,$9,1
	.set	noreorder
	.set	nomacro
	bne	$9,$10,$L148
	sh	$2,6380($3)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L209
	sra	$2,$12,3
	.set	macro
	.set	reorder

$L199:
	lw	$2,8532($18)
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L158
	li	$10,1			# 0x1
	.set	macro
	.set	reorder

	lw	$2,8512($18)
	beq	$2,$0,$L156
$L155:
	.set	noreorder
	.set	nomacro
	j	$L158
	li	$10,3			# 0x3
	.set	macro
	.set	reorder

$L207:
	li	$12,32			# 0x20
	.set	noreorder
	.set	nomacro
	j	$L137
	sw	$12,8($13)
	.set	macro
	.set	reorder

$L201:
	li	$2,1			# 0x1
	.set	noreorder
	.set	nomacro
	j	$L134
	sw	$2,8240($18)
	.set	macro
	.set	reorder

$L203:
	move	$4,$6
	move	$5,$0
	.set	noreorder
	.set	nomacro
	jal	memset
	move	$6,$7
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L210
	lw	$2,8528($18)
	.set	macro
	.set	reorder

$L200:
	lw	$2,8532($18)
	bne	$2,$0,$L155
$L156:
	.set	noreorder
	.set	nomacro
	j	$L158
	li	$10,2			# 0x2
	.set	macro
	.set	reorder

$L181:
	lui	$17,%hi(ff_zigzag_direct)
	addiu	$5,$18,7300
	addiu	$6,$17,%lo(ff_zigzag_direct)
	.set	noreorder
	.set	nomacro
	jal	ff_init_scantable
	move	$4,$16
	.set	macro
	.set	reorder

	move	$4,$16
	addiu	$5,$18,6904
	.set	noreorder
	.set	nomacro
	j	$L198
	addiu	$6,$17,%lo(ff_zigzag_direct)
	.set	macro
	.set	reorder

$L202:
	lw	$2,148($18)
	sw	$0,8572($18)
	sll	$2,$2,4
	.set	noreorder
	.set	nomacro
	j	$L164
	sw	$2,168($18)
	.set	macro
	.set	reorder

$L179:
	sb	$0,4($5)
	.set	noreorder
	.set	nomacro
	j	$L164
	sb	$0,1($3)
	.set	macro
	.set	reorder

$L169:
	addiu	$4,$6,2
	sb	$0,0($6)
	.set	noreorder
	.set	nomacro
	j	$L167
	sb	$0,1($6)
	.set	macro
	.set	reorder

$L180:
	sb	$0,6($5)
	sb	$0,4($5)
	.set	noreorder
	.set	nomacro
	j	$L164
	sb	$0,5($5)
	.set	macro
	.set	reorder

$L170:
	addiu	$4,$6,3
	sb	$0,0($6)
	sb	$0,1($6)
	.set	noreorder
	.set	nomacro
	j	$L167
	sb	$0,2($6)
	.set	macro
	.set	reorder

$L205:
	.set	noreorder
	.set	nomacro
	j	$L164
	sb	$0,4($5)
	.set	macro
	.set	reorder

$L204:
	addiu	$4,$6,1
	.set	noreorder
	.set	nomacro
	j	$L167
	sb	$0,0($6)
	.set	macro
	.set	reorder

	.end	mpeg_decode_extension
	.section	.rodata.str1.4
	.align	2
$LC4:
	.ascii	"get_buffer() failed\012\000"
	.align	2
$LC5:
	.ascii	"ac-tex damaged at %d %d\012\000"
	.section	.rodata.cst4,"aM",@progbits,4
	.align	2
$LC6:
	.word	ff_mpeg1_default_intra_matrix
	.section	.text.decode_frame,"ax",@progbits
	.align	2
	.align	5
	.ent	decode_frame
	.type	decode_frame, @function
decode_frame:
	.frame	$sp,96,$31		# vars= 32, regs= 10/0, args= 24, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-96
	sw	$fp,88($sp)
	sw	$19,68($sp)
	sw	$17,60($sp)
	sw	$16,56($sp)
	sw	$31,92($sp)
	sw	$23,84($sp)
	sw	$22,80($sp)
	sw	$21,76($sp)
	sw	$20,72($sp)
	sw	$18,64($sp)
	lw	$18,136($4)
	move	$17,$4
	lw	$2,3120($18)
	sw	$5,100($sp)
	sw	$6,104($sp)
	move	$19,$7
	lw	$16,112($sp)
	beq	$2,$0,$L215
	addiu	$fp,$18,3120

	lw	$2,264($4)
	jal	$2
	move	$5,$fp

$L215:
	lw	$2,260($17)
	sw	$0,80($fp)
	move	$4,$17
	jal	$2
	move	$5,$fp

	bltz	$2,$L280
	addiu	$5,$18,4684

	li	$2,1			# 0x1
	lw	$4,4680($18)
	sw	$2,48($fp)
	sw	$2,52($fp)
	sw	$0,3504($18)
	sw	$0,3500($18)
	sw	$0,3496($18)
	jal	av_fast_realloc
	addiu	$6,$16,8

	blez	$16,$L220
	sw	$2,4680($18)

	move	$7,$19
	move	$5,$0
$L222:
	lw	$2,4680($18)
	lbu	$4,1($7)
	addu	$2,$2,$5
	sb	$4,0($2)
	lw	$3,4680($18)
	lbu	$4,0($7)
	addu	$3,$3,$5
	addiu	$5,$5,2
	slt	$2,$5,$16
	sb	$4,1($3)
	bne	$2,$0,$L222
	addiu	$7,$7,2

$L220:
	sll	$6,$16,3
	sra	$3,$6,3
	addiu	$19,$18,3340
	bltz	$3,$L223
	lw	$2,4680($18)

	bltz	$6,$L223
	nop

	addu	$3,$2,$3
$L226:
	sw	$2,0($19)
	move	$5,$2
	li	$2,32			# 0x20
	sw	$2,8($19)
	sw	$6,12($19)
	sw	$3,4($19)
	addiu	$3,$5,4
	lbu	$4,1($3)
	lbu	$2,4($5)
	sll	$4,$4,16
	sll	$2,$2,24
	or	$2,$2,$4
	srl	$2,$2,16
	li	$3,48			# 0x30
	sw	$3,8($19)
	sw	$2,3492($18)
	lw	$6,8($19)
	sra	$4,$6,3
	addu	$4,$4,$5
	lbu	$3,0($4)
	lbu	$5,1($4)
	lbu	$7,3($4)
	lbu	$2,2($4)
	sll	$5,$5,16
	sll	$3,$3,24
	or	$3,$3,$5
	addiu	$4,$6,16
	or	$3,$3,$7
	sll	$2,$2,8
	sw	$4,8($19)
	or	$2,$2,$3
	andi	$6,$6,0x7
	sll	$2,$2,$6
	lw	$5,3508($18)
	srl	$2,$2,16
	sw	$2,3488($18)
	blez	$5,$L227
	sw	$0,3516($18)

	lw	$4,3512($18)
$L228:
	blez	$4,$L229
	sw	$0,3520($18)

	addiu	$22,$18,3528
	addiu	$20,$18,3360
$L230:
	lw	$3,44($18)
	jal	$3
	move	$4,$22

	lui	$2,%hi(dc_lum_vlc+4)
	lw	$2,%lo(dc_lum_vlc+4)($2)
	lui	$3,%hi(dc_chroma_vlc+4)
	lw	$3,%lo(dc_chroma_vlc+4)($3)
	sw	$2,44($sp)
	lui	$2,%hi(block_index.9906)
	addiu	$2,$2,%lo(block_index.9906)
	sw	$3,48($sp)
	move	$3,$2
	lw	$21,0($3)
	sw	$2,24($sp)
	sll	$3,$21,7
	lw	$2,3488($18)
	addu	$25,$22,$3
	li	$3,2			# 0x2
	lw	$23,0($19)
	beq	$2,$3,$L281
	lw	$16,3492($18)

$L232:
	slt	$2,$21,4
	beq	$2,$0,$L235
	addiu	$10,$21,-3

	move	$10,$0
$L237:
	lw	$7,8($19)
	sra	$4,$7,3
	addu	$4,$23,$4
	lbu	$3,0($4)
	lbu	$5,1($4)
	lbu	$6,3($4)
	lbu	$2,2($4)
	sll	$3,$3,24
	sll	$5,$5,16
	or	$3,$3,$5
	or	$3,$3,$6
	sll	$2,$2,8
	or	$2,$2,$3
	andi	$4,$7,0x7
	sll	$2,$2,$4
	srl	$2,$2,23
	lw	$3,44($sp)
	sll	$2,$2,2
	addu	$2,$3,$2
	lh	$8,2($2)
	bltz	$8,$L282
	lh	$9,0($2)

$L242:
	addu	$2,$7,$8
	bltz	$9,$L268
	sw	$2,8($19)

	bne	$9,$0,$L246
	li	$2,32			# 0x20

	move	$4,$0
$L248:
	sll	$2,$10,2
	addu	$2,$2,$18
	lw	$3,3496($2)
	addu	$3,$3,$4
	sll	$4,$3,3
	sw	$3,3496($2)
	sh	$4,0($25)
$L234:
	lui	$3,%hi(ff_rl_mpeg1)
	lui	$2,%hi($LC6)
	addiu	$3,$3,%lo(ff_rl_mpeg1)
	addiu	$2,$2,%lo($LC6)
	lw	$10,3348($18)
	lw	$15,3340($18)
	lw	$17,60($3)
	lw	$24,0($2)
	j	$L250
	move	$14,$0

$L284:
	addu	$14,$14,$3
	addu	$2,$20,$14
	lbu	$3,0($2)
	sll	$5,$3,1
	addu	$3,$5,$24
	lhu	$2,0($3)
	mul	$2,$13,$2
	sra	$2,$2,3
	xor	$2,$2,$4
	subu	$4,$2,$4
$L257:
	slt	$2,$14,64
	beq	$2,$0,$L270
	addu	$3,$5,$25

$L286:
	sh	$4,0($3)
$L250:
	sra	$3,$10,3
	addu	$3,$15,$3
	lbu	$2,0($3)
	lbu	$5,1($3)
	lbu	$6,3($3)
	sll	$5,$5,16
	lbu	$4,2($3)
	sll	$2,$2,24
	or	$2,$2,$5
	or	$2,$2,$6
	sll	$4,$4,8
	or	$4,$4,$2
	andi	$3,$10,0x7
	sll	$3,$4,$3
	srl	$2,$3,23
	sll	$2,$2,2
	addu	$7,$17,$2
	lb	$5,2($7)
	bltz	$5,$L283
	lh	$8,0($7)

	sll	$3,$3,$5
	addu	$9,$10,$5
	srl	$2,$3,26
	sra	$4,$3,31
	addiu	$3,$9,6
	addiu	$11,$2,1
	sra	$2,$3,3
	addu	$6,$15,$2
	li	$2,127			# 0x7f
	andi	$12,$3,0x7
	mul	$13,$8,$16
	addiu	$10,$9,1
	beq	$8,$2,$L253
	lbu	$3,3($7)

$L287:
	bne	$8,$0,$L284
	nop

	lbu	$3,0($6)
	lbu	$4,1($6)
	lbu	$5,3($6)
	lbu	$2,2($6)
	sll	$4,$4,16
	sll	$3,$3,24
	or	$3,$3,$4
	or	$3,$3,$5
	sll	$2,$2,8
	or	$2,$2,$3
	sll	$2,$2,$12
	sra	$2,$2,22
	addu	$14,$14,$11
	subu	$3,$0,$2
	addu	$6,$20,$14
	mul	$7,$16,$3
	addiu	$10,$9,16
	mul	$4,$16,$2
	bltz	$2,$L285
	lbu	$3,0($6)

	sll	$5,$3,1
	addu	$3,$5,$24
	lhu	$2,0($3)
	mul	$2,$4,$2
	sra	$2,$2,3
	addiu	$2,$2,-1
	ori	$4,$2,0x1
	slt	$2,$14,64
	bne	$2,$0,$L286
	addu	$3,$5,$25

$L270:
	lw	$4,0($18)
	lw	$7,3516($18)
	lw	$2,3520($18)
	lui	$6,%hi($LC5)
	addiu	$6,$6,%lo($LC5)
	move	$5,$0
	jal	av_log
	sw	$2,16($sp)

	li	$2,-1			# 0xffffffffffffffff
$L219:
	lw	$31,92($sp)
	lw	$fp,88($sp)
	lw	$23,84($sp)
	lw	$22,80($sp)
	lw	$21,76($sp)
	lw	$20,72($sp)
	lw	$19,68($sp)
	lw	$18,64($sp)
	lw	$17,60($sp)
	lw	$16,56($sp)
	j	$31
	addiu	$sp,$sp,96

$L283:
	sll	$3,$3,9
	srl	$2,$3,$5
	addu	$2,$2,$8
	sll	$2,$2,2
	addu	$7,$17,$2
	lb	$5,2($7)
	addiu	$10,$10,9
	sll	$3,$3,$5
	addu	$9,$10,$5
	srl	$2,$3,26
	sra	$4,$3,31
	addiu	$3,$9,6
	lh	$8,0($7)
	addiu	$11,$2,1
	sra	$2,$3,3
	addu	$6,$15,$2
	li	$2,127			# 0x7f
	andi	$12,$3,0x7
	mul	$13,$8,$16
	addiu	$10,$9,1
	bne	$8,$2,$L287
	lbu	$3,3($7)

$L253:
	sll	$2,$21,2
	addu	$2,$2,$18
	lw	$3,24($sp)
	sw	$14,4688($2)
	lui	$2,%hi(block_index.9906+24)
	addiu	$3,$3,4
	addiu	$2,$2,%lo(block_index.9906+24)
	sw	$3,24($sp)
	beq	$3,$2,$L276
	sw	$9,3348($18)

	lw	$3,24($sp)
	lw	$2,3488($18)
	lw	$21,0($3)
	sll	$3,$21,7
	addu	$25,$22,$3
	li	$3,2			# 0x2
	bne	$2,$3,$L232
	lw	$16,3492($18)

$L281:
	lw	$6,8($19)
	sra	$4,$6,3
	addu	$4,$4,$23
	lbu	$3,0($4)
	lbu	$5,1($4)
	lbu	$7,3($4)
	lbu	$2,2($4)
	sll	$3,$3,24
	sll	$5,$5,16
	or	$3,$3,$5
	or	$3,$3,$7
	sll	$2,$2,8
	andi	$4,$6,0x7
	or	$2,$2,$3
	sll	$2,$2,$4
	sra	$2,$2,22
	sll	$2,$2,1
	addiu	$6,$6,10
	addiu	$2,$2,1024
	sw	$6,8($19)
	j	$L234
	sh	$2,0($25)

$L285:
	sll	$5,$3,1
	addu	$3,$5,$24
	lhu	$2,0($3)
	mul	$2,$7,$2
	sra	$2,$2,3
	addiu	$2,$2,-1