ya4	.set B2
yb3	.set A2
tb2	.set B2
ta3	.set A2
ea0	.set B2
ba	.set B10
ta4	.set B2
yb4	.set A2
tb3	.set A2
ea1	.set A9
eb0	.set B2
ya5	.set A1
eea	.set B1
ss4	.set A0
bb	.set A10
tb4	.set A2
ea2	.set B2
eb1	.set A2
ta5	.set B1
eeb	.set A1
yb5	.set B1
da	.set B8
eb2	.set B2
ea3	.set A2
ca0	.set B1
tb5	.set A1
db	.set A8
ra	.set B8
ea	.set B3
ea4	.set B2
eb3	.set A2
xa0	.set B2
ca1	.set A1
cb0	.set B1
fa	.set B9
rb	.set A8
gxa	.set B7
eb	.set A3
eb4	.set A2
xb0	.set A3
xa1	.set B10
ea5	.set A1
ca2	.set B7
cb1	.set A1
sa0	.set B5
fb	.set A9
gxb	.set A7
ta	.set B4
ga	.set A14
dd	.set B14
xa2	.set B2
xb1	.set A2
cb2	.set B7
ca3	.set A1
eb5	.set B1
sb0	.set A1
ggg	.set B9
sea	.set B8
tb	.set A4
gb	.set A13
xb2	.set A2
xa3	.set B2
ca4	.set B1
cb3	.set A11
sa2	.set B1
s0	.set B0
gc	.set A1
ia	.set B6
gaa	.set B8
seb	.set A8
xa4	.set B0
xb3	.set A2
cb4	.set A1
sb2	.set A1
s1	.set A0
ja	.set B8
ib	.set A12
xb4	.set A0
ya0	.set B2
sa4	.set B1
xa5	.set B1
s2	.set B0
jb	.set B1
gbb	.set A8
xa	.set B5
d	.set B15
xa6	.set B2
ta0	.set B4
ya1	.set A2
yb0	.set B2
sb4	.set A1
xb5	.set A2
s3	.set A0
zz	.set B10
ya	.set B6
xb	.set A5
xb6	.set A0
ya2	.set B2
ta1	.set A2
tb0	.set B10
yb1	.set A2
s4	.set B0
za	.set B11
xxa	.set B8
yb	.set A6
gg	.set A15
ta2	.set B2
ya3	.set A2
yb2	.set B2
tb1	.set A2
lc	.set B1
zb	.set A11
xxb	.set A8
g	.set B12
t	.set B13


	; 0:15
	SHL.S1X	g, 29, gc

	; 0:16
 [!gc]  LDW.D2	*d++[1], gg

	; 0:17
	NOP

	; 0:18
	NOP

	; 0:19
	NOP

	; 0:20
	NOP

	; 0:21
	MV.L2X	gg, gaa
||	EXTU.S1	gg, 30, 30, gbb		; Extracting 2-bit gain from gain word

	; 0:22
	ADD.S1X	g, gbb, gbb
||	EXTU.S2	gaa, 14, 30, gaa

	; 0:23
	SHL.S1	gbb, 7, gb
||	ADD.S2	g, gaa, gaa
||	LDW.D2	*d++[1], s0

	; 0:24
	SHL.S1X	gaa, 7, ga
||	LDW.D1	*-gb[1], yb5		; 5p^2
||	LDW.D2	*d[OFF_SAMP_1], s1	; 2nd sample is after 64 words (128 ch)

	; 0:25
	LDW.D1	*-ga[24], sa0		; h1|h2 for channel 0

	; 1:0
	LDW.D1	*-gb[8], sb0		; h1|h2 for channel 32

	; 1:1
	LDW.D1	*-gb[13], cb0		; a1|b1 for channel 32

	; 1:2
	LDW.D1	*-gb[12], cb1		; a2|b2 for channel 32
||	MPYU.M2	s0, s0, yb0

	; 1:3
	LDW.D1	*-gb[4], eb5		; -p*sum(a) for channel 32
||	MPYU.M1	s1, s1, yb1

	; 1:4
	ADD.L2	yb5, yb0, yb0
||	LDW.D1	*-gb[3], tb5		; -p*sum(b) for channel 32
||	MPYHUS.M2   s0, sa0, xa0

	; 1:5
	ADD.L1X	yb0, yb1, yb
||	LDW.D1	*-ga[29], ca0
||	MPYUS.M1    s1, sb0, xb1
||	MPYHULS.M2X s1, sa0, xa1

	; 1:6
	LDW.D1	*-ga[28], ca1
||	MPYLUHS.M1X s0, sb0, xb0
||	MPYLUHS.M2  s0, cb0, eb0

	; 1:7
	ADD.L2 xa0, xa1, xa
||	LDW.D1 *-gb[2], xb5		; 2p*sum(h)
||	LDW.D2 *d[OFF_SAMP_2], s2	; 3rd sample is after 2*64 words
||	MPYLUHS.M1  s1, cb1, eb1
||	MPYUS.M2    s0, cb0, tb0

	; 1:8
	ADD.L1 xb0, xb1, xb
||	ADD.L2 eb5, eb0, eb0
||	LDW.D1 *-ga[23], sa2		; h3|h4
||	LDW.D2 *d[OFF_SAMP_3], s3	; 4th sample is after 3*64 words
||	MPYUS.M1    s1, cb1, tb1
||	MPYHU.M2    s0, s0, ya0

	; 1:9
	ADD.L1X     eb0, eb1, eb
||	ADD.L2X     tb5, tb0, tb0
||	LDW.D1 *-ga[26], ca3		; a4|b4
||	MPYHU.M1    s1, s1, ya1

	; 1:10
	ADD.L1X     tb0, tb1, tb
||	ADD2.S2X    s1, s0, zz
||	LDW.D1 *-gb[11], cb2		; a3|b3
||	MPYHUS.M2   s0, ca0, ea0

	; 1:11
	ADD.L2X     ya1, ya0, ya
||	LDW.D1 *-gb[10], cb3		; a4|b4
||	MPYHUS.M1   s1, ca1, ea1
||	MPYHULS.M2  s0, ca0, ta0

	; 1:12
	ADD.L1 xb5, xb, xb
||	MV.L2X gg, ggg
||	LDW.D1 *-ga[27], ca2		; a3|b3
||	MPYHULS.M1  s1, ca1, ta1
||	MPYU.M2     s2, s2, yb2

	; 1:13
	ADD.L1X     ea0, ea1, ea1
||	ADD.L2 g, 3, g
||	LDW.D1 *-gb[7], sb2		; h3|h4
||	MPYHU.M1    s3, s3, ya3
||	MPYHULS.M2X s3, sa2, xa3

	; 1:14
	ADD.L1X     yb2, yb, yb
||	ADD.L2X     ta1, ta0, ta
||	EXTU.S1     gg, 30, 30, gxb
||	EXT.S2 g, 25, 27, lc
||	LDW.D1 *-ga[18], xa5		; 2p*sum(h)
||	MPYHUS.M1   s3, ca3, ea3
||	MPYHUS.M2   s2, sa2, xa2

	; 1:15
	ADD.L2	xa3, xa, xa
||	SHL.S1X	g, 29, gc
||	ADD.S2X	ya3, ya, ya
||	LDW.D1	*-ga[20], ea5		; -p*sum(a)
||	LDW.D2	*d[OFF_SAMP_4], s4	; 5th sample is after 4*64 words
||	MPYHULS.M1  s3, ca3, ta3
||	MPYLUHS.M2  s2, cb2, eb2

	; 1:16
	ADD.L1 ea3, ea1, ea1
||	CMPEQ.L2    -9, lc, lc
||	SHL.S1 gxb, 14, gxb
||	ADD.S2 xa2, xa, xa
||	LDW.D1 *-ga[25], ca4		; a5|b5
||[!gc]	LDW.D2 *g, gg			; reading gain word from cc section
||	MPYLUHS.M1  s3, cb3, eb3
||	MPYUS.M2    s2, cb2, tb2

	; 1:17
	ADD.L1X     eb2, eb, eb
||	ADD.L2X     ta3, ta, ta
||	ADD2.S2     s2, zz, zz
||	LDW.D1 *-gb[9], cb4		; a5|b5
||	MPYUS.M1    s3, cb3, tb3
||	MPYHUS.M2   s2, ca2, ea2

	; 1:18
	ADD.L1X     tb2, tb, tb
||	ADD.S1 eb3, eb, eb
||	ADD2.S2X    s3, zz, zz
||	LDW.D1 *-ga[22], sa4		; h5|-2p
||	MPYUS.M1    s3, sb2, xb3
||	MPYHULS.M2  s2, ca2, ta2

	; 1:19
	ADD.L1 tb3, tb, tb
||	ADD.L2X     ea1, ea2, ea
||	SHRU.S1     gg, 2, gg
||	EXTU.S2     ggg, 14, 30, gxa
||	LDW.D1 *-gb[6], sb4		; h5|-2p
||	ADD.D2 xa5, xa, xa
||	MPYLUHS.M1X s2, sb2, xb2
||	MPYHU.M2    s2, s2, ya2

	; 1:20
	ADD.L1 xb3, xb, xb
||	ADD.L2X     ea5, ea, ea
||	MV.S1X s4, ss4
||	ADD2.S2     s4, zz, zz
||	LDW.D1 *-ga[21], eea		; sum(h)|S_E-n
||	ADD.D2 ta2, ta, ta
||	MPYU.M1     s3, s3, yb3
||	MPYHU.M2    s4, s4, ya4

	; 1:21
	ADD.L1 xb2, xb, xb
||	MV.L2X gg, gaa
||	EXTU.S1     gg, 30, 30, gbb
||	SHL.S2 gxa, 14, gxa
||	LDW.D1 *-gb[5], eeb		; sum(h)|S_E-n
||	ADD.D2 ya2, ya, ya
||	MPYU.M1     ss4, ss4, yb4
||	MPYHUS.M2   s4, ca4, ea4

	; 1:22
	ADD.L1 yb3, yb, yb
||	ADD.L2 ya4, ya, ya
||	ADD.S1X     g, gbb, gbb
||	EXTU.S2     gaa, 14, 30, gaa
||	LDW.D1 *-ga[19], ta5		; -p*sum(b)
||	ADD.D2 dd, 4, dd
||	MPYLUHS.M1  ss4, cb4, eb4
||	MPYHULS.M2  s4, ca4, ta4

etchi_loop:

	; 1:23
	ADD.L1 yb4, yb, yb
||	ADD.L2 ea4, ea, ea
||	SHL.S1 gbb, 7, gb
||	ADD.S2 g, gaa, gaa
||	LDW.D1 *-ga[17], ya5
||	LDW.D2 *d++[1], s0
||	MPYUS.M1    ss4, cb4, tb4
||	MPYHUS.M2   s4, sa4, xa4

	; 1:24
	ADD.L1 eb4, eb, eb
||	ABS.L2 ea, fa
||	SHL.S1X     gaa, 7, ga
||	SSHL.S2     ea, 2, sea
||	LDW.D1 *-gb[1], yb5
||	LDW.D2 *d[OFF_SAMP_1], s1	; 2nd sample after 64 words
||	MPYLUHS.M1  ss4, sb4, xb4
||	MPYHL.M2    zz, sa4, za

	; 1:25
	ABS.L1 eb, fb
||	NORM.L2     fa, ba
||	SSHL.S1     eb, 2, seb
||	ADD.S2 ta4, ta, ta
||	LDW.D1 *-ga[24], sa0
||	ADD.D2 xa4, xa, xa
||	MPY.M1X     zz, sb4, zb
||	MPYH.M2     eea, sea, xa6

	; 2:0
	NORM.L1     fb, bb
||	ADD.L2 ba, 2, ba
||	ADD.S1 xb4, xb, xb
||	SUB.S2 eea, ba, ia
||	LDW.D1 *-gb[8], sb0
||	ADD.D2 ya, za, za
||	MPYH.M1     eeb, seb, xb6

	; 2:1
	ADD.L1 bb, 2, bb
||	ADD.L2 xa6, xa, xa
||	SUB.S1 eeb, bb, ib
||	SHL.S2 fa, ba, fa
||	LDW.D1 *-gb[13], cb0
||	ADD.D2 ta5, ta, ta

	; 2:2
	ADD.L1 xb6, xb, xb
||	ADD.L2X     ya5, za, za
||	SHL.S1 fb, bb, fb
||	SSHL.S2     xa, 4, xa
||	LDW.D1 *-gb[12], cb1
||	MPYU.M2     s0, s0, yb0

	; 2:3
	ADD.L1 tb4, tb, tb
||	SSHL.S1     xb, 4, xb
||	SHRU.S2     fa, 20, ja
||	LDW.D1 *-gb[4], eb5
||	MPYU.M1     s1, s1, yb1
||	MPYH.M2     sea, xa, xxa

	; 2:4
	ADD.L1 yb, zb, zb
||	ADD.L2 yb5, yb0, yb0
||	SSHL.S1     tb, bb, tb
||	SHRU.S2X    fb, 20, jb
||	LDW.D1 *-gb[3], tb5
||	LDH.D2 *+t[ja], da
||	MPYH.M1     seb, xb, xxb
||	MPYHUS.M2   s0, sa0, xa0

	; 2:5
	ADD.L1X     yb0, yb1, yb
||	ADD.L2 xxa, za, za
||	CLR.S1 eb, 0, 30, eb
||	SSHL.S2     ta, ba, ta
||	LDW.D1 *-ga[29], ca0
||	LDH.D2 *+t[jb], db
||	MPYUS.M1    s1, sb0, xb1
||	MPYHULS.M2X s1, sa0, xa1

	; 2:6
	ADD.L1 xxb, zb, zb
||	SHRU.S1     fb, 9, fb
||	SHL.S2 ia, 23, ia
||	LDW.D1 *-ga[28], ca1
||	MPYLUHS.M1X s0, sb0, xb0
||	MPYLUHS.M2  s0, cb0, eb0

	; 2:7
	OR.L1 eb, fb, fb
||	ADD.L2 xa0, xa1, xa
||	SHL.S1 ib, 23, ib
||	SHRU.S2     fa, 9, fa
||	LDW.D1 *-gb[2], xb5
||	LDW.D2 *d[OFF_SAMP_2], s2	; 3rd sample
||	MPYLUHS.M1  s1, cb1, eb1
||	MPYUS.M2    s0, cb0, tb0

	; 2:8
	ADD.L1 xb0, xb1, xb
||	ADD.L2 eb5, eb0, eb0
||	SSHL.S1     zb, 16, zb
||	CLR.S2 ea, 0, 30, ea
||	LDW.D1 *-ga[23], sa2
||	LDW.D2 *d[OFF_SAMP_3], s3	; 4th sample
||	MPYUS.M1    s1, cb1, tb1
||	MPYHU.M2    s0, s0, ya0

	; 2:9
	ADD.L1X     eb0, eb1, eb
||	ADD.L2X     tb5, tb0, tb0
||	SSHL.S2     za, 16, za
||	LDW.D1 *-ga[26], ca3
||	ADD.D2 ia, fa, fa
||	MPYHU.M1    s1, s1, ya1
||	MPYLUHS.M2  da, ta, ra

	; 2:10
	ADD.L1X     tb0, tb1, tb
||	OR.L2 ea, fa, fa
||	CLR.S1 zb, 0, 15, zb
||	ADD2.S2X    s1, s0, zz
||	LDW.D1 *-gb[11], cb2
||	MPYLUHS.M1  db, tb, rb
||	MPYHUS.M2   s0, ca0, ea0

	; 2:11
	OR.L1 gxb, zb, zb
||	ADD.L2X     ya1, ya0, ya
||	OR.S1 ib, fb, fb
||	CLR.S2 za, 0, 15, za
||	LDW.D1 *-gb[10], cb3
||	STW.D2 fa, *+dd[0x00]
||	MPYHUS.M1   s1, ca1, ea1
||	MPYHULS.M2  s0, ca0, ta0

	; 2:12
	ADD.L1 xb5, xb, xb
||	MV.L2X gg, ggg
||	SSHL.S1 rb, 1, rb
||	SSHL.S2 ra, 1, ra
||	LDW.D1 *-ga[27], ca2
||	STW.D2 fb, *+dd[0x20]
||	MPYHULS.M1  s1, ca1, ta1
||	MPYU.M2     s2, s2, yb2

	; 2:13
	ADD.L1X     ea0, ea1, ea1
||	ADD.L2 g, 3, g
||	SHRU.S1     rb, 18, rb
||	SHRU.S2     ra, 18, ra
||	LDW.D1 *-gb[7], sb2
||	ADD.D2 gxa, za, za
||	MPYHU.M1    s3, s3, ya3
||	MPYHULS.M2X s3, sa2, xa3

	; 2:14
	ADD.L1X     yb2, yb, yb
||	ADD.L2X     ta1, ta0, ta
||	EXTU.S1     gg, 30, 30, gxb
||	EXT.S2 g, 25, 27, lc
||	LDW.D1 *-ga[18], xa5
||	ADD.D2 za, ra, ra
||	MPYHUS.M1   s3, ca3, ea3
||	MPYHUS.M2   s2, sa2, xa2

	; 2:15
	OR.L1 zb, rb, rb
||	ADD.L2 xa3, xa, xa
||	SHL.S1X     g, 29, gc
||	ADD.S2X     ya3, ya, ya
||	LDW.D1 *-ga[20], ea5
||	LDW.D2 *d[OFF_SAMP_4], s4	; 5th sample
||	MPYHULS.M1  s3, ca3, ta3
||	MPYLUHS.M2  s2, cb2, eb2

	; 2:16
	ADD.L1 ea3, ea1, ea1
||	CMPEQ.L2    -9, lc, lc
||	SHL.S1 gxb, 14, gxb
||	ADD.S2 xa2, xa, xa
||	LDW.D1 *-ga[25], ca4
||[!gc]	LDW.D2 *g, gg			; reading gain word from cc section
||	MPYLUHS.M1  s3, cb3, eb3
||	MPYUS.M2    s2, cb2, tb2

	; 2:17
	ADD.L1X     eb2, eb, eb
||	ADD.L2X     ta3, ta, ta
||[!lc]	B.S1 etchi_loop
||	ADD2.S2     s2, zz, zz
||	LDW.D1 *-gb[9], cb4
||	STW.D2 ra, *+dd[0x40]
||	MPYUS.M1    s3, cb3, tb3
||	MPYHUS.M2   s2, ca2, ea2

	; 2:18
	ADD.L1X     tb2, tb, tb
||	ADD.S1 eb3, eb, eb
||	ADD2.S2X    s3, zz, zz
||	LDW.D1 *-ga[22], sa4
||	STW.D2 rb, *+dd[0x60]
||	MPYUS.M1    s3, sb2, xb3
||	MPYHULS.M2  s2, ca2, ta2

	; 2:19
	ADD.L1 tb3, tb, tb
||	ADD.L2X     ea1, ea2, ea
||	SHRU.S1     gg, 2, gg
||	EXTU.S2     ggg, 14, 30, gxa
||	LDW.D1 *-gb[6], sb4
||	ADD.D2 xa5, xa, xa
||	MPYLUHS.M1X s2, sb2, xb2
||	MPYHU.M2    s2, s2, ya2

	; 2:20
	ADD.L1 xb3, xb, xb
||	ADD.L2X     ea5, ea, ea
||	MV.S1X s4, ss4
||	ADD2.S2     s4, zz, zz
||	LDW.D1 *-ga[21], eea
||	ADD.D2 ta2, ta, ta
||	MPYU.M1     s3, s3, yb3
||	MPYHU.M2    s4, s4, ya4

	; 2:21
	ADD.L1 xb2, xb, xb
||	MV.L2X gg, gaa
||	EXTU.S1     gg, 30, 30, gbb
||	SHL.S2 gxa, 14, gxa
||	LDW.D1 *-gb[5], eeb
||	ADD.D2 ya2, ya, ya
||	MPYU.M1     ss4, ss4, yb4
||	MPYHUS.M2   s4, ca4, ea4

	; 2:22
	ADD.L1 yb3, yb, yb
||	ADD.L2 ya4, ya, ya
||	ADD.S1X     g, gbb, gbb
||	EXTU.S2     gaa, 14, 30, gaa
||	LDW.D1 *-ga[19], ta5
||	ADD.D2 dd, 4, dd
||	MPYLUHS.M1  ss4, cb4, eb4
||	MPYHULS.M2  s4, ca4, ta4

* end of etchi_loop

	; 2:23
	ADD.L1 yb4, yb, yb
||	ADD.L2 ea4, ea, ea
||	SHL.S1 gbb, 7, gb
||	ADD.S2 g, gaa, gaa
||	LDW.D1 *-ga[17], ya5
||	LDW.D2 *d++[1], s0
||	MPYUS.M1    ss4, cb4, tb4
||	MPYHUS.M2   s4, sa4, xa4

	; 2:24
	ADD.L1 eb4, eb, eb
||	ABS.L2 ea, fa
||	SHL.S1X     gaa, 7, ga
||	SSHL.S2     ea, 2, sea
||	LDW.D1 *-gb[1], yb5
||	LDW.D2 *d[OFF_SAMP_2], s1	; 2nd sample
||	MPYLUHS.M1  ss4, sb4, xb4
||	MPYHL.M2    zz, sa4, za

	; 2:25
	ABS.L1 eb, fb
||	NORM.L2     fa, ba
||	SSHL.S1     eb, 2, seb
||	ADD.S2 ta4, ta, ta
||	LDW.D1 *-ga[24], sa0
||	ADD.D2 xa4, xa, xa
||	MPY.M1X     zz, sb4, zb
||	MPYH.M2     eea, sea, xa6

	; 3:0
	NORM.L1     fb, bb
||	ADD.L2 ba, 2, ba
||	ADD.S1 xb4, xb, xb
||	SUB.S2 eea, ba, ia
||	LDW.D1 *-gb[8], sb0
||	ADD.D2 ya, za, za
||	MPYH.M1     eeb, seb, xb6

	; 3:1
	ADD.L1 bb, 2, bb
||	ADD.L2 xa6, xa, xa
||	SUB.S1 eeb, bb, ib
||	SHL.S2 fa, ba, fa
||	LDW.D1 *-gb[13], cb0
||	ADD.D2 ta5, ta, ta

	; 3:2
	ADD.L1 xb6, xb, xb
||	ADD.L2X     ya5, za, za
||	SHL.S1 fb, bb, fb
||	SSHL.S2     xa, 4, xa
||	LDW.D1 *-gb[12], cb1
||	MPYU.M2     s0, s0, yb0

	; 3:3
	ADD.L1 tb4, tb, tb
||	SSHL.S1     xb, 4, xb
||	SHRU.S2     fa, 20, ja
||	LDW.D1 *-gb[4], eb5
||	MPYU.M1     s1, s1, yb1
||	MPYH.M2     sea, xa, xxa

	; 3:4
	ADD.L1 yb, zb, zb
||	ADD.L2 yb5, yb0, yb0
||	SSHL.S1     tb, bb, tb
||	SHRU.S2X    fb, 20, jb
||	LDW.D1 *-gb[3], tb5
||	LDH.D2 *+t[ja], da
||	MPYH.M1     seb, xb, xxb
||	MPYHUS.M2   s0, sa0, xa0

	; 3:5
	ADD.L1X     yb0, yb1, yb
||	ADD.L2 xxa, za, za
||	CLR.S1 eb, 0, 30, eb
||	SSHL.S2     ta, ba, ta
||	LDW.D1 *-ga[29], ca0
||	LDH.D2 *+t[jb], db
||	MPYUS.M1    s1, sb0, xb1
||	MPYHULS.M2X s1, sa0, xa1

	; 3:6
	ADD.L1 xxb, zb, zb
||	SHRU.S1     fb, 9, fb
||	SHL.S2 ia, 23, ia
||	LDW.D1 *-ga[28], ca1
||	MPYLUHS.M1X s0, sb0, xb0
||	MPYLUHS.M2  s0, cb0, eb0

	; 3:7
	OR.L1 eb, fb, fb
||	ADD.L2 xa0, xa1, xa
||	SHL.S1 ib, 23, ib
||	SHRU.S2     fa, 9, fa
||	LDW.D1 *-gb[2], xb5
||	LDW.D2 *d[OFF_SAMP_2], s2	; 3rd sample
||	MPYLUHS.M1  s1, cb1, eb1
||	MPYUS.M2    s0, cb0, tb0

	; 3:8
	ADD.L1 xb0, xb1, xb
||	ADD.L2 eb5, eb0, eb0
||	SSHL.S1     zb, 16, zb
||	CLR.S2 ea, 0, 30, ea
||	LDW.D1 *-ga[23], sa2
||	LDW.D2 *d[OFF_SAMP_3], s3	; 4th sample
||	MPYUS.M1    s1, cb1, tb1
||	MPYHU.M2    s0, s0, ya0

	; 3:9
	ADD.L1X     eb0, eb1, eb
||	ADD.L2X     tb5, tb0, tb0
||	SSHL.S2     za, 16, za
||	LDW.D1 *-ga[26], ca3
||	ADD.D2 ia, fa, fa
||	MPYHU.M1    s1, s1, ya1
||	MPYLUHS.M2  da, ta, ra

	; 3:10
	ADD.L1X     tb0, tb1, tb
||	OR.L2 ea, fa, fa
||	CLR.S1 zb, 0, 15, zb
||	ADD2.S2X    s1, s0, zz
||	LDW.D1 *-gb[11], cb2
||	MPYLUHS.M1  db, tb, rb
||	MPYHUS.M2   s0, ca0, ea0

	; 3:11
	OR.L1 gxb, zb, zb
||	ADD.L2X     ya1, ya0, ya
||	OR.S1 ib, fb, fb
||	CLR.S2 za, 0, 15, za
||	LDW.D1 *-gb[10], cb3
||	STW.D2 fa, *+dd[0x00]
||	MPYHUS.M1   s1, ca1, ea1
||	MPYHULS.M2  s0, ca0, ta0

	; 3:12
	ADD.L1 xb5, xb, xb
||	MV.L2X gg, ggg
||	SSHL.S1rb, 1, rb
||	SSHL.S2ra, 1, ra
||	LDW.D1 *-ga[27], ca2
||	STW.D2 fb, *+dd[0x20]
||	MPYHULS.M1  s1, ca1, ta1
||	MPYU.M2     s2, s2, yb2

	; 3:13
	ADD.L1X     ea0, ea1, ea1
||	ADD.L2 g, 3, g
||	SHRU.S1     rb, 18, rb
||	SHRU.S2     ra, 18, ra
||	LDW.D1 *-gb[7], sb2
||	ADD.D2 gxa, za, za
||	MPYHU.M1    s3, s3, ya3
||	MPYHULS.M2X s3, sa2, xa3

	; 3:14
	ADD.L1X     yb2, yb, yb
||	ADD.L2X     ta1, ta0, ta
||	EXTU.S1     gg, 30, 30, gxb
||	EXT.S2 g, 25, 27, lc
||	LDW.D1 *-ga[18], xa5
||	ADD.D2 za, ra, ra
||	MPYHUS.M1   s3, ca3, ea3
||	MPYHUS.M2   s2, sa2, xa2

	; 3:15
	OR.L1 zb, rb, rb
||	ADD.L2 xa3, xa, xa
||	ADD.S2X     ya3, ya, ya
||	LDW.D1 *-ga[20], ea5
||	LDW.D2 *d[OFF_SAMP_4], s4	; 5th sample
||	MPYHULS.M1  s3, ca3, ta3
||	MPYLUHS.M2  s2, cb2, eb2

	; 3:16
	ADD.L1 ea3, ea1, ea1
||	CMPEQ.L2    -9, lc, lc
||	SHL.S1 gxb, 14, gxb
||	ADD.S2 xa2, xa, xa
||	LDW.D1 *-ga[25], ca4
||	MPYLUHS.M1  s3, cb3, eb3
||	MPYUS.M2    s2, cb2, tb2

	; 3:17
	ADD.L1X     eb2, eb, eb
||	ADD.L2X     ta3, ta, ta
||	ADD2.S2     s2, zz, zz
||	LDW.D1 *-gb[9], cb4
||	STW.D2 ra, *+dd[0x40]
||	MPYUS.M1    s3, cb3, tb3
||	MPYHUS.M2   s2, ca2, ea2

	; 3:18
	ADD.L1X     tb2, tb, tb
||	ADD.S1 eb3, eb, eb
||	ADD2.S2X    s3, zz, zz
||	LDW.D1 *-ga[22], sa4
||	STW.D2 rb, *+dd[0x60]
||	MPYUS.M1    s3, sb2, xb3
||	MPYHULS.M2  s2, ca2, ta2

	; 3:19
	ADD.L1 tb3, tb, tb
||	ADD.L2X     ea1, ea2, ea
||	SHRU.S1     gg, 2, gg
||	EXTU.S2     ggg, 14, 30, gxa
||	LDW.D1 *-gb[6], sb4
||	ADD.D2 xa5, xa, xa
||	MPYLUHS.M1X s2, sb2, xb2
||	MPYHU.M2    s2, s2, ya2

	; 3:20
	ADD.L1 xb3, xb, xb
||	ADD.L2X     ea5, ea, ea
||	MV.S1X s4, ss4
||	ADD2.S2     s4, zz, zz
||	LDW.D1 *-ga[21], eea
||	ADD.D2 ta2, ta, ta
||	MPYU.M1     s3, s3, yb3
||	MPYHU.M2    s4, s4, ya4

	; 3:21
	ADD.L1 xb2, xb, xb
||	SHL.S2 gxa, 14, gxa
||	LDW.D1 *-gb[5], eeb
||	ADD.D2 ya2, ya, ya
||	MPYU.M1     ss4, ss4, yb4
||	MPYHUS.M2   s4, ca4, ea4

	; 3:22
	ADD.L1 yb3, yb, yb
||	ADD.L2 ya4, ya, ya
||	LDW.D1 *-ga[19], ta5
||	ADD.D2 dd, 4, dd
||	MPYLUHS.M1  ss4, cb4, eb4
||	MPYHULS.M2  s4, ca4, ta4

* end of etchi_loop

	; 3:23
	ADD.L1 yb4, yb, yb
||	ADD.L2 ea4, ea, ea
||	LDW.D1 *-ga[17], ya5
||	MPYUS.M1    ss4, cb4, tb4
||	MPYHUS.M2   s4, sa4, xa4

	; 3:24
	ADD.L1 eb4, eb, eb
||	ABS.L2 ea, fa
||	SSHL.S2     ea, 2, sea
||	MPYLUHS.M1  ss4, sb4, xb4
||	MPYHL.M2    zz, sa4, za

	; 3:25
	ABS.L1      eb, fb
||	NORM.L2     fa, ba
||	SSHL.S1     eb, 2, seb
||	ADD.S2 ta4, ta, ta
||	ADD.D2 xa4, xa, xa
||	MPY.M1X     zz, sb4, zb
||	MPYH.M2     eea, sea, xa6

	; 4:0
	NORM.L1     fb, bb
||	ADD.L2 ba, 2, ba
||	ADD.S1 xb4, xb, xb
||	SUB.S2 eea, ba, ia
||	ADD.D2 ya, za, za
||	MPYH.M1     eeb, seb, xb6

	; 4:1
	ADD.L1 bb, 2, bb
||	ADD.L2 xa6, xa, xa
||	SUB.S1 eeb, bb, ib
||	SHL.S2 fa, ba, fa
||	ADD.D2 ta5, ta, ta

	; 4:2
	ADD.L1 xb6, xb, xb
||	ADD.L2X     ya5, za, za
||	SHL.S1 fb, bb, fb
||	SSHL.S2     xa, 4, xa

	; 4:3
	ADD.L1 tb4, tb, tb
||	SSHL.S1     xb, 4, xb
||	SHRU.S2     fa, 20, ja
||	MPYH.M2     sea, xa, xxa

	; 4:4
	ADD.L1 yb, zb, zb
||	SSHL.S1     tb, bb, tb
||	SHRU.S2X    fb, 20, jb
||	LDH.D2 *+t[ja], da
||	MPYH.M1     seb, xb, xxb

	; 4:5
	ADD.L2 xxa, za, za
||	CLR.S1 eb, 0, 30, eb
||	SSHL.S2     ta, ba, ta
||	LDH.D2 *+t[jb], db

	; 4:6
	ADD.L1 xxb, zb, zb
||	SHRU.S1     fb, 9, fb
||	SHL.S2 ia, 23, ia

	; 4:7
	OR.L1 eb, fb, fb
||	SHL.S1 ib, 23, ib
||	SHRU.S2     fa, 9, fa

	; 4:8
	SSHL.S1     zb, 16, zb
||	CLR.S2 ea, 0, 30, ea

	; 4:9
	SSHL.S2     za, 16, za
||	ADD.D2 ia, fa, fa
||	MPYLUHS.M2  da, ta, ra

	; 4:10
	OR.L2 ea, fa, fa
||	CLR.S1 zb, 0, 15, zb
||	MPYLUHS.M1  db, tb, rb

	; 4:11
	OR.L1 gxb, zb, zb
||	OR.S1 ib, fb, fb
||	CLR.S2 za, 0, 15, za
||	STW.D2 fa, *+dd[0x00]

	; 4:12
	SSHL.S1     rb, 1, rb
||	SSHL.S2     ra, 1, ra
||	STW.D2 fb, *+dd[0x20]

	; 4:13
	SHRU.S1     rb, 18, rb
||	SHRU.S2     ra, 18, ra
||	ADD.D2 gxa, za, za

	; 4:14
	ADD.D2 za, ra, ra

	; 4:15
	OR.L1 zb, rb, rb

	; 4:16
	NOP

	; 4:17
	STW.D2 ra, *+dd[0x40]

	; 4:18
	STW.D2 rb, *+dd[0x60]

	; 4:19