Example 2, Instruction formats and opcodes, Add d1,d0,d2 – Freescale Semiconductor StarCore SC140 User Manual
Page 339
ADD
SC140 DSP Core Reference Manual
A-25
Example 2
add d1,d0,d2
The L2 bit is set from the 32-bit overflow. Note that the extension bits are in use in the sum, bit 32 =0, bit
31 = 1.
Instruction Formats and Opcodes
Note:
** indicates serial grouping encoding.
L2:D2
$0:$00 0000 0007
EMR
$0000 0000
Register/Memory Address
Before
After
SR
$00E0 0000
D1
$00 72E3 8F2A
D0
$00 7216 EE3C
L2:D2
$1:$00 E4FA 7D66
EMR
$0000 0000
Instruction
Words Cycles Type
Opcode
15
8
7
0
ADD #u5,Dn
1
1
1
0
*
1
1
1
0
F
F
F
1
0
i
i
i
i
i
15
8
7
0
ADD Da,Db,Dn
1
1
1
0
*
1
0
1
1
F
F
F
1
0
J
J
J
J
J
15
8
7
0
ADD Da,Da,Dn
1
1
1
0
*
1
0
0
0
F
F
F
1
1
0
0
0
j
j
Register/Memory Address
Before
After