ST20CX View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST20CX

Instruction Set Reference Manual

STMicroelectronics 

fptesterr

fptesterr

test for FPU error

Code: 29 FC

Description: Test for an error in the FPU, if present. This instruction always returns

true on a processor without an FPU.

Definition:

Areg′ ← true

Breg′ ← Areg

Creg′ ← Breg

Error signals: none

Comments:

Secondary instruction.

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