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Analog Devices adsp-2100 User Manual

Analog Devices adsp-2100
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15
15 – 35
AMF = 11011 for NOT xop operation.
Z: Destination register Yop: Y operand
Xop: X operand COND: condition
Syntax: [ IF cond ] AR = ABS xop ;
AF
Permissible xops Permissible conds (see Table 15.9)
AX0 MR2 EQ LE AC
AX1 MR1 NE NEG NOT AC
AR MR0 GT POS MV
SR1 GE AV NOT MV
SR0 LT NOT AV NOT CE
Example: IF NEG AF = ABS AX0 ;
Description: Test the optional condition and, if true, then take the
absolute value of the source operand and store in the destination location.
If the condition is not true then perform a no-operation. Omitting the
condition performs the absolute value operation unconditionally. The
source operand is contained in the data register specified in the
instruction.
Status Generated:
ASTAT: 7 6 543210
SS MV AQ AS AC AV AN AZ
-- - * 0 * * *
AZ Set if the result equals zero. Cleared otherwise.
AN Set if xop is H#8000. Cleared otherwise.
AV Set if xop is H#8000. Cleared otherwise.
AC Always cleared.
AS Set if the source operand is negative. Cleared otherwise.
Instruction Format:
Conditional ALU/MAC Operation, Instruction Type 9:
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 1 0 0 Z AMF 0 0 Xop 0 0 0 0 COND
AMF specifies the ALU or MAC operation. In this case,
AMF = 11111 for ABS xop operation.
ALU
ABSOLUTE VALUE

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Analog Devices adsp-2100 Specifications

General IconGeneral
BrandAnalog Devices
Modeladsp-2100
CategoryComputer Hardware
LanguageEnglish

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