Instruction formats and opcodes instruction fields – Freescale Semiconductor StarCore SC140 User Manual
Page 504
A-190
SC140 DSP Core Reference Manual
IMPY.W
–8
$FFF8
x –2
$FFFE
+16
$0010
Instruction Formats and Opcodes
Instruction Fields
Dn
FFF
Single Source/Destination Data Register
Instruction
Words Cycles Type
Opcode
15
8
7
0
IMPY.W #s16,Dn
2
1
4
0
0
1
1
1
1
1
0
i
i
i
1
0
F
F
F
1
0
0
i
i
i
i
i
i
i
i
i
i
i
i
i
000
D0
010
D2
100
D4
110
D6
001
D1
011
D3
101
D5
111
D7
Note:
This instruction can specify D8-D15 as operands by using a prefix.
#s16
iiiiiiiiiiiiiiii
16-bit signed immediate data