Each of the bits in M is shift one place to the right. The bit that was in bit 0 is shifted into the carry flag. Bit 7 is set to zero.

C 	Carry Flag 	  Set to contents of old bit 0
Z 	Zero Flag 	  Set if result = 0
I 	Interrupt Disable Not affected
D 	Decimal Mode Flag Not affected
B 	Break Command 	  Not affected
V 	Overflow Flag 	  Not affected
N 	Negative Flag 	  Set if bit 7 of the result is set

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