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A Instruction Coding
YY
Z
YY, CC, BO
A – 14
see YY, CC, BO below
ALU/MAC Result Register codes
Result register
0
Feedback register
1
ALU / MAC Constant codes (Type 9)
(ADSP-217x, ADSP-218x, ADSP-21msp58/59 only)
Constant (hex)
YY
0001
00
0002
00
0004
00
0008
00
0010
01
0020
01
0040
01
0080
01
0100
10
0200
10
0400
10
0800
10
1000
11
2000
11
4000
11
8000
11
FFFE
00
FFFD
00
FFFB
00
FFF7
00
FFEF
01
FFDF
01
FFBF
01
FF7F
01
FEFF
10
FDFF
10
FBFF
10
F7FF
10
EFFF
11
DFFF
11
BFFF
11
7FFF
11
CC
BO
Bit #
00
01
bit 0
01
01
bit 1
10
01
bit 2
11
01
bit 3
00
01
bit 4
01
01
bit 5
10
01
bit 6
11
01
bit 7
00
01
bit 8
01
01
bit 9
10
01
bit 10
11
01
bit 11
00
01
bit 12
01
01
bit 13
10
01
bit 14
11
01
bit 15
00
11
! bit 0
01
11
! bit 1
10
11
! bit 2
11
11
! bit 3
00
11
! bit 4
01
11
! bit 5
10
11
! bit 6
11
11
! bit 7
00
11
! bit 8
01
11
! bit 9
10
11
! bit 10
11
11
! bit 11
00
11
! bit 12
01
11
! bit 13
10
11
! bit 14
11
11
! bit 15
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