# Vault 7: Projects

This publication series is about specific projects related to the Vault 7 main publication.

### Protego

# PIC24FJ64GA004 - Programmers Reference Manual

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16-bit MCU and DSC Programmer’s Reference Manual
DS70157F-page 22 © 2005-2011 Microchip Technology Inc.
2.16.3 DO Active bit (DA) (dsPIC30F, dsPIC33F and dsPIC33E Devices)
The DO Active bit (DA) is used to indicate when looping is active. The DO instructions affect the
DA flag, which indicates that a DO loop is active. The DA flag is set to ‘1’ when the first instruction
of the DO loop is executed, and it is cleared when the last instruction of the loop completes final
execution.
The DA flag is read-only. This means that looping is not initiated by writing a ‘1’ to DA, nor is it
terminated by writing a ‘0’ to DA. If a DO loop must be terminated prematurely, the EDT bit,
CORCON<11>, should be used.

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