parse.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 4,849 行 · 第 1/5 页

	srl	$2,$2,31
	sw	$4,428($17)
$L161:
	beq	$2,$0,$L162
	nop

	lw	$3,428($17)
	sltu	$2,$3,9
	bne	$2,$0,$L164
	addiu	$2,$3,-8

	sw	$2,428($17)
$L162:
	lw	$4,428($17)
	sltu	$2,$4,2
	bne	$2,$0,$L166
	nop

$L215:
	lw	$2,432($17)
	subu	$3,$18,$4
	sll	$2,$2,$3
	addiu	$4,$4,-1
	srl	$2,$2,31
	sw	$4,428($17)
$L168:
	beq	$2,$0,$L169
	nop

	lw	$3,428($17)
	sltu	$2,$3,8
	bne	$2,$0,$L171
	addiu	$2,$3,-7

	sw	$2,428($17)
$L169:
	addiu	$16,$16,-1
$L220:
	li	$2,-1			# 0xffffffffffffffff
	bne	$16,$2,$L148
	nop

	lw	$3,428($17)
	sltu	$2,$3,3
	bne	$2,$0,$L174
	addiu	$2,$3,-2

	sw	$2,428($17)
	move	$4,$2
$L176:
	sltu	$2,$4,2
	bne	$2,$0,$L177
	subu	$3,$0,$4

	lw	$2,432($17)
	sll	$2,$2,$3
	addiu	$4,$4,-1
	srl	$2,$2,31
	bne	$2,$0,$L211
	sw	$4,428($17)

$L180:
	lw	$4,428($17)
$L225:
	sltu	$2,$4,2
	bne	$2,$0,$L184
	subu	$3,$0,$4

	lw	$2,432($17)
	sll	$2,$2,$3
	addiu	$4,$4,-1
	srl	$2,$2,31
	bne	$2,$0,$L212
	sw	$4,428($17)

$L187:
	lw	$4,428($17)
$L226:
	sltu	$2,$4,2
	bne	$2,$0,$L191
	subu	$3,$0,$4

	lw	$2,432($17)
	sll	$2,$2,$3
	addiu	$4,$4,-1
	srl	$2,$2,31
	sw	$4,428($17)
$L193:
	beq	$2,$0,$L229
	lw	$31,40($sp)

	lw	$4,428($17)
	sltu	$2,$4,7
	bne	$2,$0,$L196
	subu	$3,$0,$4

	lw	$2,432($17)
	sll	$2,$2,$3
	addiu	$4,$4,-6
	srl	$2,$2,26
	sw	$4,428($17)
	move	$16,$2
$L222:
	j	$L199
	li	$18,-1			# 0xffffffffffffffff

$L213:
	addiu	$16,$16,-1
	beq	$16,$18,$L194
	sw	$3,428($17)

$L199:
	lw	$2,428($17)
	move	$4,$17
	addiu	$3,$2,-8
	sltu	$2,$2,9
	beq	$2,$0,$L213
	li	$5,8			# 0x8

	jal	a52_bitstream_get_bh
	addiu	$16,$16,-1

	bne	$16,$18,$L199
	nop

$L194:
	lw	$31,40($sp)
$L229:
	lw	$19,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,48

$L149:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,5			# 0x5

	lw	$4,428($17)
	sltu	$2,$4,2
	beq	$2,$0,$L214
	nop

$L152:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,1			# 0x1

	j	$L154
	nop

$L171:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,7			# 0x7

	j	$L220
	addiu	$16,$16,-1

$L164:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,8			# 0x8

	lw	$4,428($17)
	sltu	$2,$4,2
	beq	$2,$0,$L215
	nop

$L166:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,1			# 0x1

	j	$L168
	nop

$L157:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,8			# 0x8

	lw	$4,428($17)
	sltu	$2,$4,2
	beq	$2,$0,$L216
	nop

$L159:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,1			# 0x1

	j	$L161
	nop

$L208:
	lw	$4,428($17)
$L221:
	sltu	$2,$4,3
	bne	$2,$0,$L136
	nop

	lw	$2,432($17)
	subu	$3,$0,$4
	sll	$2,$2,$3
	addiu	$4,$4,-2
	srl	$2,$2,30
	sw	$4,428($17)
	lui	$3,%hi(slev.2885)
$L224:
	sll	$2,$2,2
	addiu	$3,$3,%lo(slev.2885)
	addu	$2,$2,$3
	lw	$4,0($2)
	sw	$4,8($17)
	lw	$4,428($17)
	sltu	$2,$4,2
	beq	$2,$0,$L217
	nop

$L139:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,1			# 0x1

	sb	$2,3($17)
	lw	$2,0($18)
	move	$4,$16
	sll	$2,$2,26
	sw	$2,0($18)
	lw	$5,0($19)
	lw	$7,4($17)
	lw	$2,8($17)
	move	$6,$18
	jal	a52_downmix_init
	sw	$2,16($sp)

	move	$3,$2
	bgez	$2,$L142
	sw	$2,12($17)

$L209:
	lw	$31,40($sp)
	lw	$19,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	li	$2,1			# 0x1
	j	$31
	addiu	$sp,$sp,48

$L212:
	lw	$3,428($17)
$L228:
	sltu	$2,$3,15
	bne	$2,$0,$L189
	addiu	$2,$3,-14

	j	$L187
	sw	$2,428($17)

$L211:
	lw	$3,428($17)
$L227:
	sltu	$2,$3,15
	bne	$2,$0,$L182
	addiu	$2,$3,-14

	j	$L180
	sw	$2,428($17)

$L210:
	lw	$2,0($19)
	andi	$2,$2,0x10
	beq	$2,$0,$L145
	ori	$2,$3,0x10

	j	$L145
	sw	$2,12($17)

$L117:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,3			# 0x3

	li	$2,2			# 0x2
	bne	$16,$2,$L230
	andi	$2,$16,0x1

$L207:
	lw	$4,428($17)
	sltu	$2,$4,3
	bne	$2,$0,$L122
	nop

	lw	$2,432($17)
	subu	$3,$0,$4
	sll	$2,$2,$3
	addiu	$4,$4,-2
	srl	$3,$2,30
	sw	$4,428($17)
$L124:
	li	$2,2			# 0x2
	beq	$3,$2,$L218
	li	$16,10			# 0xa

	li	$16,2			# 0x2
	sw	$0,8($17)
	sw	$0,4($17)
$L219:
	andi	$2,$16,0x4
	beq	$2,$0,$L130
	nop

	j	$L221
	lw	$4,428($17)

$L174:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,2			# 0x2

	j	$L176
	lw	$4,428($17)

$L196:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,6			# 0x6

	j	$L222
	move	$16,$2

$L132:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,2			# 0x2

	j	$L223
	lui	$3,%hi(clev.2884)

$L136:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,2			# 0x2

	j	$L224
	lui	$3,%hi(slev.2885)

$L182:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,14			# 0xe

	j	$L225
	lw	$4,428($17)

$L189:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,14			# 0xe

	j	$L226
	lw	$4,428($17)

$L177:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,1			# 0x1

	beq	$2,$0,$L180
	nop

	j	$L227
	lw	$3,428($17)

$L184:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,1			# 0x1

	beq	$2,$0,$L187
	nop

	j	$L228
	lw	$3,428($17)

$L191:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,1			# 0x1

	j	$L193
	nop

$L122:
	move	$4,$17
	jal	a52_bitstream_get_bh
	li	$5,2			# 0x2

	j	$L124
	move	$3,$2

$L218:
	sw	$0,8($17)
	j	$L219
	sw	$0,4($17)

	.set	macro
	.set	reorder
	.end	a52_frame
	.section	.text.coeff_get,"ax",@progbits
	.align	2
	.align	5
	.ent	coeff_get
	.type	coeff_get, @function
coeff_get:
	.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	$fp,48($sp)
	lw	$fp,80($sp)
	sw	$23,44($sp)
	sw	$22,40($sp)
	sw	$21,36($sp)
	sw	$19,28($sp)
	sw	$31,52($sp)
	sw	$20,32($sp)
	sw	$18,24($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	move	$19,$4
	move	$22,$7
	lw	$21,72($sp)
	blez	$fp,$L291
	addiu	$23,$6,256

	move	$17,$5
	move	$18,$6
	move	$20,$0
$L234:
	addu	$2,$23,$20
	lb	$16,0($2)
	addiu	$3,$16,3
	andi	$3,$3,0x00ff
	sltu	$2,$3,8
	beq	$2,$0,$L235
	sll	$2,$3,2

	lui	$3,%hi($L242)
	addiu	$3,$3,%lo($L242)
	addu	$2,$2,$3
	lw	$4,0($2)
	j	$4
	nop

	.rdata
	.align	2
	.align	2
$L242:
	.word	$L236
	.word	$L237
	.word	$L238
	.word	$L239
	.word	$L235
	.word	$L235
	.word	$L240
	.word	$L241
	.section	.text.coeff_get
$L235:
	lw	$5,428($19)
	sltu	$2,$16,$5
	beq	$2,$0,$L286
	li	$2,32			# 0x20

	lw	$3,432($19)
	subu	$4,$2,$5
	sll	$3,$3,$4
	subu	$2,$2,$16
	sra	$3,$3,$2
	li	$2,16			# 0x10
	subu	$2,$2,$16
	sll	$2,$3,$2
	sll	$2,$2,16
	subu	$4,$5,$16
	sra	$2,$2,16
	andi	$3,$21,0xffff
	sw	$4,428($19)
	mul	$3,$2,$3
	sra	$4,$21,16
	mul	$6,$2,$4
	lbu	$5,0($18)
	sra	$3,$3,16
	addiu	$5,$5,-5
	bltz	$5,$L289
	addu	$3,$6,$3

$L303:
	sra	$2,$3,$5
	sw	$2,0($17)
$L248:
	addiu	$20,$20,1
	addiu	$17,$17,4
	bne	$fp,$20,$L234
	addiu	$18,$18,1

$L291:
	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

$L236:
	lw	$2,20($22)
	beq	$2,$0,$L301
	li	$2,-1			# 0xffffffffffffffff

	lw	$4,428($19)
	sltu	$2,$4,8
	bne	$2,$0,$L276
	nop

	lw	$2,432($19)
	subu	$3,$0,$4
	sll	$2,$2,$3
	addiu	$4,$4,-7
	srl	$2,$2,25
	sw	$4,428($19)
	sll	$4,$2,1
$L306:
	lui	$3,%hi(q_4_1)
	lui	$2,%hi(q_4_0)
	addiu	$3,$3,%lo(q_4_1)
	addiu	$2,$2,%lo(q_4_0)
	addu	$2,$4,$2
	addu	$4,$4,$3
	lh	$5,0($2)
	lhu	$2,0($4)
	andi	$3,$21,0xffff
	sh	$2,8($22)
	mul	$3,$5,$3
	sra	$2,$21,16
	sw	$0,20($22)
	mul	$6,$5,$2
	lbu	$4,0($18)
	sra	$3,$3,16
	addiu	$4,$4,-5
	bltz	$4,$L284
	addu	$3,$6,$3

$L295:
	sra	$2,$3,$4
	j	$L248
	sw	$2,0($17)

$L237:
	lw	$4,16($22)
	bltz	$4,$L258
	sll	$2,$4,1

	addu	$2,$2,$22
	lh	$5,4($2)
	andi	$3,$21,0xffff
	mul	$3,$5,$3
	addiu	$2,$4,-1
	sw	$2,16($22)
	lbu	$4,0($18)
	sra	$3,$3,16
	sra	$2,$21,16
	mtlo	$3
	addiu	$4,$4,-5
	bltz	$4,$L260
	madd	$5,$2

$L302:
	mflo	$3
	sra	$2,$3,$4
	j	$L248
	sw	$2,0($17)

$L238:
	lw	$4,12($22)
	bltz	$4,$L249
	sll	$2,$4,1

	addu	$2,$2,$22
	lh	$5,0($2)
	andi	$3,$21,0xffff
	mul	$3,$5,$3
	addiu	$2,$4,-1
	sw	$2,12($22)
	lbu	$4,0($18)
	sra	$3,$3,16
	sra	$2,$21,16
	mtlo	$3
	addiu	$4,$4,-5
	bgez	$4,$L302
	madd	$5,$2

$L260:
	subu	$2,$0,$4
	mflo	$4
	sll	$2,$4,$2
	j	$L248
	sw	$2,0($17)

$L239:
	lw	$2,76($sp)
	beq	$2,$0,$L243
	lui	$2,%hi(dither_lut)

	lhu	$4,424($19)
	srl	$3,$4,8
	addiu	$2,$2,%lo(dither_lut)
	sll	$3,$3,1
	addu	$3,$3,$2
	lhu	$5,0($3)
	sll	$4,$4,8
	xor	$4,$4,$5
	sll	$4,$4,16
	sra	$4,$4,16
	andi	$3,$21,0xffff
	mul	$3,$4,$3
	sra	$2,$21,16
	sh	$4,424($19)
	mul	$4,$4,$2
	lbu	$5,0($18)
	sra	$3,$3,16
	addiu	$5,$5,-5
	bltz	$5,$L245
	addu	$3,$4,$3

	sra	$2,$3,$5
	sw	$2,0($17)
$L247:
	sra	$4,$2,16
	li	$3,15564			# 0x3ccc
	li	$5,11585			# 0x2d41
	andi	$2,$2,0xffff
	mul	$6,$4,$3
	mul	$3,$2,$5
	mul	$4,$4,$5
	addu	$2,$3,$6
	sra	$2,$2,14
	sll	$4,$4,2
	addu	$2,$2,$4
	j	$L248
	sw	$2,0($17)

$L240:
	lw	$4,428($19)
	sltu	$2,$4,4
	bne	$2,$0,$L267
	nop

	lw	$2,432($19)
	subu	$3,$0,$4
	sll	$2,$2,$3
	addiu	$4,$4,-3
	srl	$2,$2,29
	sw	$4,428($19)
	sll	$3,$2,1
$L305:
	lui	$2,%hi(q_3)
	addiu	$2,$2,%lo(q_3)
	addu	$3,$3,$2
	lh	$5,0($3)
	andi	$2,$21,0xffff
	sra	$3,$21,16
	mul	$2,$5,$2
	mul	$6,$5,$3
	lbu	$4,0($18)
	sra	$2,$2,16
	addiu	$4,$4,-5
	bgez	$4,$L295
	addu	$3,$6,$2

$L284:
	subu	$2,$0,$4
	sll	$2,$3,$2
	j	$L248
	sw	$2,0($17)

$L241:
	lw	$4,428($19)
	sltu	$2,$4,5
	bne	$2,$0,$L281
	nop

	lw	$2,432($19)
	subu	$3,$0,$4
	sll	$2,$2,$3
	addiu	$4,$4,-4
	srl	$2,$2,28
	sw	$4,428($19)
	sll	$3,$2,1
$L304:
	lui	$2,%hi(q_5)
	addiu	$2,$2,%lo(q_5)
	addu	$3,$3,$2
	lh	$5,0($3)
	andi	$2,$21,0xffff
	sra	$3,$21,16
	mul	$2,$5,$2
	mul	$6,$5,$3
	lbu	$4,0($18)
	sra	$2,$2,16
	addiu	$4,$4,-5
	bltz	$4,$L284
	addu	$3,$6,$2

	sra	$2,$3,$4
	j	$L248
	sw	$2,0($17)

$L286:
	move	$4,$19
	jal	a52_bitstream_get_bh_2
	move	$5,$16

	move	$3,$2
	li	$2,16			# 0x10
	subu	$2,$2,$16
	sll	$2,$3,$2
	sll	$2,$2,16
	sra	$2,$2,16
	andi	$3,$21,0xffff
	mul	$3,$2,$3
	sra	$4,$21,16
	mul	$6,$2,$4
	lbu	$5,0($18)
	sra	$3,$3,16
	addiu	$5,$5,-5
	bgez	$5,$L303
	addu	$3,$6,$3

$L289:
	subu	$2,$0,$5
	sll	$2,$3,$2
	j	$L248
	sw	$2,0($17)

$L243:
	j	$L248
	sw	$0,0($17)

$L301:
	lh	$5,8($22)
	andi	$3,$21,0xffff
	sw	$2,20($22)
	mul	$3,$5,$3
	sra	$2,$21,16
	mul	$6,$5,$2
	lbu	$4,0($18)
	sra	$3,$3,16
	addiu	$4,$4,-5
	bltz	$4,$L284
	addu	$3,$6,$3

	sra	$2,$3,$4
	j	$L248
	sw	$2,0($17)

$L281:
	move	$4,$19
	jal	a52_bitstream_get_bh
	li	$5,4			# 0x4

	j	$L304
	sll	$3,$2,1

$L267:
	move	$4,$19
	jal	a52_bitstream_get_bh
	li	$5,3			# 0x3

	j	$L305
	sll	$3,$2,1

$L249:
	lw	$4,428($19)
	sltu	$2,$4,6
	bne	$2,$0,$L253
	subu	$3,$0,$4

	lw	$2,432($19)
	sll	$2,$2,$3
	addiu	$4,$4,-5
	srl	$2,$2,27
	sw	$4,428($19)
	sll	$4,$2,1
$L307:
	lui	$2,%hi(q_1_0)
	addiu	$2,$2,%lo(q_1_0)
	lui	$3,%hi(q_1_2)
	addu	$2,$4,$2
	addiu	$3,$3,%lo(q_1_2)
	addu	$3,$4,$3
	lh	$7,0($2)
	lui	$2,%hi(q_1_1)
	addiu	$2,$2,%lo(q_1_1)
	lhu	$5,0($3)
	andi	$3,$21,0xffff
	addu	$4,$4,$2
	mul	$3,$7,$3
	lhu	$6,0($4)
	li	$2,1			# 0x1
	sw	$2,12($22)
	sh	$5,0($22)
	sh	$6,2($22)
$L297:
	lbu	$4,0($18)
	sra	$3,$3,16
	sra	$2,$21,16
	mtlo	$3
	addiu	$4,$4,-5
	bltz	$4,$L265
	madd	$7,$2

	mflo	$6
	sra	$2,$6,$4
	j	$L248
	sw	$2,0($17)

$L258:
	lw	$4,428($19)
	sltu	$2,$4,8
	bne	$2,$0,$L262
	nop

	lw	$2,432($19)
	subu	$3,$0,$4
	sll	$2,$2,$3
	addiu	$4,$4,-7
	srl	$2,$2,25
	sw	$4,428($19)
	sll	$4,$2,1
$L308:
	lui	$2,%hi(q_2_0)
	addiu	$2,$2,%lo(q_2_0)
	lui	$3,%hi(q_2_2)
	addu	$2,$4,$2
	addiu	$3,$3,%lo(q_2_2)
	addu	$3,$4,$3
	lh	$7,0($2)
	lhu	$5,0($3)
	lui	$2,%hi(q_2_1)
	andi	$3,$21,0xffff
	addiu	$2,$2,%lo(q_2_1)
	mul	$3,$7,$3
	addu	$4,$4,$2
	lhu	$6,0($4)
	li	$2,1			# 0x1
	sw	$2,16($22)
	sh	$5,4($22)
	j	$L297
	sh	$6,6($22)

$L276:
	move	$4,$19
	jal	a52_bitstream_get_bh
	li	$5,7			# 0x7

	j	$L306
	sll	$4,$2,1

$L245:
	subu	$2,$0,$5
	sll	$2,$3,$2
	j	$L247
	sw	$2,0($17)

$L265:
	mflo	$3
	subu	$2,$0,$4
	sll	$2,$3,$2
	j	$L248
	sw	$2,0($17)

$L253:
	move	$4,$19
	jal	a52_bitstream_get_bh
	li	$5,5			# 0x5

	j	$L307
	sll	$4,$2,1

$L262:
	move	$4,$19
	jal	a52_bitstream_get_bh
	li	$5,7			# 0x7

	j	$L308
	sll	$4,$2,1

	.set	macro
	.set	reorder
	.end	coeff_get
	.section	.text.a52_block,"ax",@progbits
	.align	2
	.align	5
	.globl	a52_block
	.ent	a52_block
	.type	a52_block, @function
a52_block:
	.frame	$sp,200,$31		# vars= 128, regs= 10/0, args= 32, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	addiu	$sp,$sp,-200
	sw	$fp,192($sp)
	sw	$19,172($sp)
	sw	$31,196($sp)
	sw	$23,188($sp)
	sw	$22,184($sp)
	sw	$21,180($sp)
	sw	$20,176($sp)
	sw	$18,168($sp)
	sw	$17,164($sp)
	sw	$16,160($sp)
	lbu	$3,2($4)
	move	$19,$4
	lui	$4,%hi(nfchans_tbl.3427)
	addiu	$2,$4,%lo(nfchans_tbl.3427)
	addu	$2,$3,$2
	lbu	$fp,0($2)
	.set	noreorder
	.set	nomacro
	blez	$fp,$L310
	addiu	$2,$sp,37
	.set	macro
	.set	reorder

	move	$16,$2
	li	$18,32			# 0x20
	.set	noreorder
	.set	nomacro
	j	$L312
	addu	$17,$2,$fp
	.set	macro
	.set	reorder

$L901:
	lw	$2,432($19)
	sll	$2,$2,$3
	addiu	$4,$4,-1
	srl	$2,$2,31
	sw	$4,428($19)
	sb	$2,0($16)
	addiu	$16,$16,1
	beq	$17,$16,$L900
$L312:
	lw	$4,428($19)
	sltu	$2,$4,2
	.set	noreorder
	.set	nomacro