Analog Devices ADSP-BF53x Blackfin Reference page 859

Table C-17. Arithmetic Operations Instructions (Sheet 5 of 44)
Instruction
and Version
Add/Subtract, Prescale Down
Dreg_hi = Dreg – Dreg (RND20)
Add/Subtract, Prescale Up
Dreg_lo = Dreg + Dreg (RND12)
Add/Subtract, Prescale Up
Dreg_hi = Dreg + Dreg (RND12)
Add/Subtract, Prescale Up
Dreg_lo = Dreg – Dreg (RND12)
Add/Subtract, Prescale Up
Dreg_hi = Dreg – Dreg (RND12)
Add Immediate
Dreg += imm7
Add Immediate
Preg += imm7
Add Immediate
Ireg += 2
ADSP-BF53x/BF56x Blackfin Processor Programming Reference
Opcode Range 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0xC425 D000— 1 1 0 0 0 1 0 x x x 1 0 0 1 0 1
0xC425 DE3F
1 1 0 1 Dest.
0xC405 0000— 1 1 0 0 0 1 0 x x x 0 0 0 1 0 1
0xC405 0E3F
0 0 0 0 Dest.
0xC425 0000— 1 1 0 0 0 1 0 x x x 1 0 0 1 0 1
0xC425 0E3F
0 0 0 0 Dest.
0xC405 4000— 1 1 0 0 0 1 0 x x x 0 0 0 1 0 1
0xC405 4E3F
0 1 0 0 Dest.
0xC425 4000— 1 1 0 0 0 1 0 x x x 1 0 0 1 0 1
0xC425 4E3F
0 1 0 0 Dest.
0x6400— 0 1 1 0 0 1 imm7
0x6700
0x6C00— 0 1 1 0 1 1 imm7
0x6FFF
0x9F60— 1 0 0 1 1 1 1 1 0 1 1 0 0 0 Ireg #
0x9F63
Instruction Opcodes
Bin
0 0 0 Source 0
Dreg # Dreg #
0 0 0 Source 0
Dreg # Dreg #
0 0 0 Source 0
Dreg # Dreg #
0 0 0 Source 0
Dreg # Dreg #
0 0 0 Source 0
Dreg # Dreg #
Source 1
Dreg #
Source 1
Dreg #
Source 1
Dreg #
Source 1
Dreg #
Source 1
Dreg #
Dreg #
Preg #
C-59