Operation: CLR Function: Clear Register Syntax: CLR register Instructions OpCode Bytes Cycles Flags CLR bit addr 0xC2 2 1 None CLR C 0xC3 1 1 C CLR A 0xE4 1 1 None Description: CLR clears (sets to 0) all the bit(s) of the indicated register. If the register is a bit (including the carry bit), only the specified bit is affected. Clearing the Accumulator sets the Accumulator’s value to 0. See Also: SETB, Instruction Set (C) Copyright 1997 - 2008 by Vault Information Services LLC. All Rights Reserved. Information provided "as-is" without warranty. Please see details. Contact us for usage and copy permission.