
A-298 SC140 DSP Core Reference Manual
MOVES.2F
The Ln bit is set in d0, and the number in d0 is positive (bit 39 = 0), so the saturated value $7FFF is written
to memory.
Instruction Formats and Opcodes
Instruction Fields
Da:Db hh Data Register Pairs
EA MMM Effective Address Notation
Rn RRR Address Register
SR
$00E0 0000 $00E0 0000
d0
$1:$00 8000 0000
d1
$0:$00 7EAC F00D
R0
$0000 0054
$0054
$7FFF
$0056
$7EAC
Instruction Words Cycles Type Opcode
15 8 7 0
MOVES.2F Da:Db,(EA) 11
2
1 0*001hh101MMMRRR
Notes: 1. ** indicates serial grouping encoding.
2. When the form (Rn + N0) is used in EA, the cycle count is increased by 1.
00 D0:D1 01 D2:D3 10 D4:D5 11 D6:D7
Note: This instruction can specify D8-D15 as operands by using a prefix.
000 (Rn+N0) 010 (Rn) 100 (Rn)+N0 110 (Rn)+N2
001 (Rn)– 011 (Rn)+ 101 (Rn)+N1 111 (Rn)+N3
000 R0 010 R2 100 R4 110 R6
001 R1 011 R3 101 R5 111 R7
Note: This instruction can specify R8-R15 as operands by using a high register prefix.
Register/Memory Address Before After
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