Analog Devices ADSP-BF53x Blackfin Reference page 898

Arithmetic Operations Instructions
Table C-17. Arithmetic Operations Instructions (Sheet 44 of 44)
Instruction
and Version
Subtract
Dreg_hi = Dreg_lo – Dreg_lo (S)
Subtract
Dreg_hi = Dreg_lo – Dreg_hi (S)
Subtract
Dreg_hi = Dreg_hi – Dreg_lo (S)
Subtract
Dreg_hi = Dreg_hi – Dreg_hi (S)
Subtract Immediate
Ireg – = 2
Subtract Immediate
Ireg – = 4
C-98 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
0xC423 2000— 1 1 0 0 0 1 0 x x x 1 0 0 0 1 1
0xC423 2E3F
0 0 1 0 Dest.
0xC423 6000— 1 1 0 0 0 1 0 x x x 1 0 0 0 1 1
0xC423 6E3F
0 1 1 0 Dest.
0xC423 A000— 1 1 0 0 0 1 0 x x x 1 0 0 0 1 1
0xC423 AE3F
1 0 1 0 Dest.
0xC423 E000— 1 1 0 0 0 1 0 x x x 1 0 0 0 1 1
0xC423 EE3F
1 1 1 0 Dest.
0x9F64— 1 0 0 1 1 1 1 1 0 1 1 0 0 1 Ireg #
0x9F67
0x9F6C— 1 0 0 1 1 1 1 1 0 1 1 0 1 1 Ireg #
0x9F6F
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 #
Source 1
Dreg #
Source 1
Dreg #
Source 1
Dreg #
Source 1
Dreg #