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MICROPROCESSOR INSTRUCTION REFERENCE->CPX
Compare index register with memory
Compatibility: 6800, 6802, 6803, 6303R, 6303X, 6303Y
X - 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 mode | op | cyc | bytes | Assembler syntax |
| Immed.: | 8C | 3 | 3 | CPX #<exprn.> |
| Direct: | 9C | 4 | 2 | CPX <exprn.> |
| Index : | AC | 5 | 2 | CPX <exprn.>,X |
| Extend: | BC | 5 | 3 | CPX <exprn.> |