ST20CX View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST20CX

Instruction Set Reference Manual

STMicroelectronics 

xsword

xsword

sign extend sixteen to word

Code: 2F F8

Description: Sign extend the value in the least significant 16 bits of Areg to a signed

integer.

Definition:

Areg′0..15

Areg′16..BitsPerWord-1

← Areg0..15

← Areg15

Error signals: none

Comments:

Secondary instruction.

See also: xbword

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