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MICROPROCESSOR INSTRUCTION REFERENCE->STX
STX Store Index Register X
Xmsb -> M, Xlsb -> (M+1)
Condition Code Register:
C Not affected
V Reset Always
Z Set if result Zero, else cleared
N Set if bit 15 = 1
I Not affected
H Not affected
Addressing mode | Assembler syntax |
Direct: | STX <exprn.> |
Index X: | STX <exprn.>,X |
Index Y: | STX <exprn.>,Y |
Extend: | STX <exprn.> |