Analog Devices adsp-2100 Manual page 384

Instruction Format:
Shift Immediate Operation, Instruction Type 15:
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 0 0 0 1
SF Shifter Function
0 1 0 0 ASHIFT (HI)
0 1 0 1 ASHIFT (HI, OR)
0 1 1 0 ASHIFT (LO)
0 1 1 1 ASHIFT (LO, OR)
Xop: Shifter Operand
ARITHMETIC SHIFT IMMEDIATE
1 1 1 0 SF Xop <exp>
<exp>: 8-bit signed shift value
SHIFTER
15
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