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MICROPROCESSOR INSTRUCTION REFERENCE->DEX

DEX    Decrement Index Register X by One

This is a 6800 opcode which is translated into:

         LEAX -1,X


Condition Code Register:

H  Not affected
N  Not affected
Z  Set if result Zero, else cleared
V  Not affected
C  Not affected

    
Addressing modeNo of cyclesNo of bytes
Implied42