crc.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 310 行

	.file	1 "crc.c"
	.section .mdebug.abi32
	.previous
	.section	.text.a52_crc16_block,"ax",@progbits
	.align	2
	.align	5
	.globl	a52_crc16_block
	.ent	a52_crc16_block
	.type	a52_crc16_block, @function
a52_crc16_block:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	beq	$5,$0,$L11
	move	$9,$4

	lui	$2,%hi(crc_lut)
	addiu	$8,$2,%lo(crc_lut)
	move	$6,$0
	move	$7,$0
$L5:
	addu	$3,$9,$6
	lbu	$2,0($3)
	srl	$4,$7,8
	xor	$2,$2,$4
	sll	$2,$2,1
	addu	$2,$2,$8
	lhu	$4,0($2)
	sll	$3,$7,8
	xor	$3,$3,$4
	addiu	$6,$6,1
	bne	$5,$6,$L5
	andi	$7,$3,0xffff

	j	$31
	move	$2,$7

$L11:
	j	$31
	move	$2,$0

	.set	macro
	.set	reorder
	.end	a52_crc16_block
	.rdata
	.align	2
	.type	crc_lut, @object
	.size	crc_lut, 512
crc_lut:
	.half	0
	.half	-32763
	.half	-32753
	.half	10
	.half	-32741
	.half	30
	.half	20
	.half	-32751
	.half	-32717
	.half	54
	.half	60
	.half	-32711
	.half	40
	.half	-32723
	.half	-32729
	.half	34
	.half	-32669
	.half	102
	.half	108
	.half	-32663
	.half	120
	.half	-32643
	.half	-32649
	.half	114
	.half	80
	.half	-32683
	.half	-32673
	.half	90
	.half	-32693
	.half	78
	.half	68
	.half	-32703
	.half	-32573
	.half	198
	.half	204
	.half	-32567
	.half	216
	.half	-32547
	.half	-32553
	.half	210
	.half	240
	.half	-32523
	.half	-32513
	.half	250
	.half	-32533
	.half	238
	.half	228
	.half	-32543
	.half	160
	.half	-32603
	.half	-32593
	.half	170
	.half	-32581
	.half	190
	.half	180
	.half	-32591
	.half	-32621
	.half	150
	.half	156
	.half	-32615
	.half	136
	.half	-32627
	.half	-32633
	.half	130
	.half	-32381
	.half	390
	.half	396
	.half	-32375
	.half	408
	.half	-32355
	.half	-32361
	.half	402
	.half	432
	.half	-32331
	.half	-32321
	.half	442
	.half	-32341
	.half	430
	.half	420
	.half	-32351
	.half	480
	.half	-32283
	.half	-32273
	.half	490
	.half	-32261
	.half	510
	.half	500
	.half	-32271
	.half	-32301
	.half	470
	.half	476
	.half	-32295
	.half	456
	.half	-32307
	.half	-32313
	.half	450
	.half	320
	.half	-32443
	.half	-32433
	.half	330
	.half	-32421
	.half	350
	.half	340
	.half	-32431
	.half	-32397
	.half	374
	.half	380
	.half	-32391
	.half	360
	.half	-32403
	.half	-32409
	.half	354
	.half	-32477
	.half	294
	.half	300
	.half	-32471
	.half	312
	.half	-32451
	.half	-32457
	.half	306
	.half	272
	.half	-32491
	.half	-32481
	.half	282
	.half	-32501
	.half	270
	.half	260
	.half	-32511
	.half	-31997
	.half	774
	.half	780
	.half	-31991
	.half	792
	.half	-31971
	.half	-31977
	.half	786
	.half	816
	.half	-31947
	.half	-31937
	.half	826
	.half	-31957
	.half	814
	.half	804
	.half	-31967
	.half	864
	.half	-31899
	.half	-31889
	.half	874
	.half	-31877
	.half	894
	.half	884
	.half	-31887
	.half	-31917
	.half	854
	.half	860
	.half	-31911
	.half	840
	.half	-31923
	.half	-31929
	.half	834
	.half	960
	.half	-31803
	.half	-31793
	.half	970
	.half	-31781
	.half	990
	.half	980
	.half	-31791
	.half	-31757
	.half	1014
	.half	1020
	.half	-31751
	.half	1000
	.half	-31763
	.half	-31769
	.half	994
	.half	-31837
	.half	934
	.half	940
	.half	-31831
	.half	952
	.half	-31811
	.half	-31817
	.half	946
	.half	912
	.half	-31851
	.half	-31841
	.half	922
	.half	-31861
	.half	910
	.half	900
	.half	-31871
	.half	640
	.half	-32123
	.half	-32113
	.half	650
	.half	-32101
	.half	670
	.half	660
	.half	-32111
	.half	-32077
	.half	694
	.half	700
	.half	-32071
	.half	680
	.half	-32083
	.half	-32089
	.half	674
	.half	-32029
	.half	742
	.half	748
	.half	-32023
	.half	760
	.half	-32003
	.half	-32009
	.half	754
	.half	720
	.half	-32043
	.half	-32033
	.half	730
	.half	-32053
	.half	718
	.half	708
	.half	-32063
	.half	-32189
	.half	582
	.half	588
	.half	-32183
	.half	600
	.half	-32163
	.half	-32169
	.half	594
	.half	624
	.half	-32139
	.half	-32129
	.half	634
	.half	-32149
	.half	622
	.half	612
	.half	-32159
	.half	544
	.half	-32219
	.half	-32209
	.half	554
	.half	-32197
	.half	574
	.half	564
	.half	-32207
	.half	-32237
	.half	534
	.half	540
	.half	-32231
	.half	520
	.half	-32243
	.half	-32249
	.half	514
	.ident	"GCC: (GNU) 4.1.2"