Texas Instruments TMS320C2XX User Manual
Page 327
SUB
Subtract From Accumulator
7-174
Syntax
SUB
dma [, shift ]
Direct addressing
SUB
dma,16
Direct with left shift of 16
SUB
ind [,shift [, ARn] ]
Indirect addressing
SUB
ind,16[ , ARn]
Indirect with left shift of 16
SUB #
k
Short immediate
SUB #
lk [,shift ]
Long immediate
Operands
dma:
7 LSBs of the data-memory address
shift:
Left shift value from 0 to 15 (defaults to 0)
n:
Value from 0 to 7 designating the next auxiliary register
k:
8-bit short immediate value
lk:
16-bit long immediate value
ind:
Select one of the following seven options:
* *+ *– *0+ *0– *BR0+ *BR0–
SUB
dma [ ,shift ]
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
1
1
shift
0
dma
SUB
dma, 16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
1
1
0
0
1
0
1
0
dma
SUB
ind [ , shift [ , ARn ] ]
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
1
1
shift
1
ARU
N
NAR
Note:
ARU, N, and NAR are defined in Section 6.3,
Indirect Addressing Mode (page 6-9).
SUB
ind,16 [, ARn]
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
1
1
0
0
1
0
1
1
ARU
N
NAR
Note:
ARU, N, and NAR are defined in Section 6.3,
Indirect Addressing Mode (page 6-9).
SUB #
k
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
0
1
1
1
0
1
0
k
SUB #
lk [, shift ]
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
0
1
1
1
1
1
1
1
0
1
0
shift
lk
Opcode