Vault 7: Projects

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

MPLAB
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XC16 C Compiler Users Guide
DS50002071C-page 328 2012-2013 Microchip Technology Inc.
__builtin_write_OSCCONH
Description: Unlocks and writes its argument to OSCCONH.
Interrupts may need to be disable for proper operation.
This builtin function can be used as a part of a complex sequence discussed in the data
sheet or family reference manual.
See this documentation for more information.
Prototype: void __builtin_write_OSCCONH(unsigned char value);
Argument: value character to be written
Return Value: None.
Assembler Operator/
Machine Instruction*:
mov #0x78, w0
mov #0x9A, w1
mov #_OSCCON+1, w2
mov.b w0, [w2]
mov.b w1, [w2]
mov.b value, [w2]
Error Messages None.
* The exact sequence may be different.

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