Vault 7: Projects

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

16-bit MCU and DSC Programmer’s Reference Manual
DS70157F-page 450 © 2005-2011 Microchip Technology Inc.
__builtin_clr
Description:
Clear the specified accumulator. For example:
register int result asm("A");
result = _ _builtin_clr();
will generate:
clr A
Prototype:
int _ _builtin_clr(void);
Argument:
None
Return Value:
Returns the cleared value result to an accumulator.
Assembler Operator / Machine Instruction:
clr
Error Messages:
An error message appears if the result is not an accumulator register.

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