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MICROPROCESSOR INSTRUCTION REFERENCE->CLR
CLR Clear an Operand
Compatibility: 68000, 68010, 68020, CPU32 families
0 -> Destination
Assembler Syntax: CLR <ea>
<ea> - data alterable
Size: Byte, Word, Long
Clears the destination operand to zero.
Condition Codes:
N Always cleared
Z Always set
V Always cleared
C Always cleared
X Not affected
Allowable Addressing Modes |
CLR | Dn | |
CLR | (An) | |
CLR | (An)+ | |
CLR | -(An) | |
CLR | (d16,An) | |
CLR | (d8,An,Xn) | |
CLR | (bd,An,Xn) 2 | |
CLR | ([bd,An,Xn],od) 1 | |
CLR | ([bd,An],Xn,od) 1 | |
CLR | (xxx).W | |
CLR | (xxx).L |