AN2407 데이터 시트보기 (PDF) - Freescale Semiconductor
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AN2407
Freescale Semiconductor
AN2407 Datasheet PDF : 48 Pages
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[ asll #1,d1
moveu.w (r3),d5
]
[ sub d6,d13,d6
add d12,d2,d2
]
[ add d5,d6,d4
move.l d1,r3
]
min d0,d4
asll #1,d2
moveu.w (r4),d6
add d12,d1,d1
References
; d5 -> pwr of nom[0]
; d6 -> pwr of denom[0]
; d6 -> 255-pwr of denom[0]
move.l d2,r4
; pwr of error[0]
dosetup3 LOOP_ON_ERRORS
[ add d14,d4,d4
table
moveu.w (r3),d5
iteration ready
]
[ sub d6,d13,d6
move.l d4,r6
iteration ready
]
doen3 d10
moveu.b (r6),d4
ready
loopstart3
LOOP_ON_ERRORS
[ add d5,d6,d4
moveu.w (r13)+,d1
]
[ min d0,d4
move.b d15,(r14)
]
[ asll #1,d2
tfra r15,r14
]
moveu.w (r4),d6
eor d4,d15
moveu.b (r1)+,r8
asll #1,d1
moveu.w (r13)+,d2
[ add d12,d1,d1
add d14,d4,d4
adda r8,r14
]
move.l d1,r3
move.l d4,r6
moveu.w (r3),d5
[ sub d6,d13,d6
moveu.b (r6),d4
]
loopend3
END_FORNEY
add d12,d2,d2
move.l d2,r4
moveu.w (r4),d6
moveu.b (r14),d15
; ptr to location in
; d6 for 1-st
; d5 for 1-st
; d4 for 0-iteration
Reed Solomon Encoder/Decoder on the StarCore™ SC140/SC1400 Cores, With Extended Examples, Rev. 1
Freescale Semiconductor
47
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