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MICROPROCESSOR INSTRUCTION REFERENCE->CPY

CPY    Compare index register Y with memory

Y - M:(M+1)

Condition Code Register:

C  Set if carry generated, else cleared
V  Set on overflow, else cleared
Z  Set if result Zero, else cleared
N  Set if result Negative, else cleared
I  Not affected
H  Not affected


    
Addressing modeAssembler syntax
Immed.:CPY #<exprn.>
Direct:CPY <exprn.>
Index X:CPY <exprn.>,X
Index Y:CPY <exprn.>,Y
Extend:CPY <exprn.>