MB86330 Datasheet, PDF (30/46 Pages) Fujitsu Component Limited. – 16-bit Fixed-point DSP

MB86330
Mnemonic
Operation overview
N
MOV
Data transfer or duplicate
transfer
Inter-register transfer
–
REG ↔ REG
Transfer between a
memory and a register
MEM ↔ REG
Duplicate transfer
B0 ← (AD0), A1 ← (AD1)
B0 ← (AD0), B1 ← (AD1)
Immediate value transfer
to a register
REG ← Immediate value
Inter-memory transfer
(AD0) ← (AD1)
MOVT
Duplicate transfer to the
accumulator
CX, DX ← (AD1)
–
MRD
Signed product addition
A0, A1,B0, B1/CX, DX
MRD
MRDS
MRDU
MSM
Signed product addition with
duplicate transfer
Signed and unsigned product
addition
Unsigned and unsigned
product addition
Signed product addition
acc ← acc – A0 × A1
A0 ← (AD0), A1 ← (AD1)
acc ← acc – B0 × B1
B0 ← (AD0), B1 ← (AD1)
A0, A1, B0, B1/CX, DX
A0, A1, B0, B1/CX, DX
A0, A1, B0, B1/CX, DX
MSM
MSM
MSMS
MSMS
MSMU
MSMU
Signed product addition with
duplicate transfer
Signed product addition with
transfer
Signed and unsigned product
addition
Signed and unsigned product
addition with duplicate
transfer
Unsigned and unsigned
product addition
Unsigned and unsigned
product addition with
duplicate transfer
acc ← acc + A0 × A1
A0 ← (AD0), A1 ← (AD1)
acc ← acc + B0 × B1
B0 ← (AD0), B1 ← (AD1)
acc ← acc + (A0 or A1)
× A1
reg ↔ (AD1)
A0, A1, B0, B1/CX, DX
acc ← acc + A0 × A1
A0 ← (AD0), A1 ← (AD1)
acc ← acc + B0 × B1
B0 ← (AD0), B1 ← (AD1)
A0, A1, B0, B1/CX, DX
acc ← acc + A0 × A1
A0 ← (AD0), A1 ← (AD1)
acc ← acc + B0 × B1
B0 ← (AD0), B1 ← (AD1)
Flag change
Z C V1 V2 V3
–––––
–––––
0
↑
0
↑
0
↑–
0
↑–
0
↑
0
↑
0
↑
0
↑^–
0
↑^–
0
↑^–
0
↑^–
(Continued)
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