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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 mode | No of cycles | No of bytes |
Implied | 4 | 2 |