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MICROPROCESSOR INSTRUCTION REFERENCE->ASR
ASR Shift Accumulator or Memory Byte Right
ASRA
ASRB
ASR
b7 -> b7 ->....-> b0 -> C
Condition Code Register:
H Undefined
N Set if result Negative, else cleared
Z Set if result Zero, else cleared
V Not affected
C <- b0 of original operand
Addressing mode | No of cycles | No of bytes |
Implied: | 2 | 1 |
Direct: | 6 | 2 |
Extended: | 7 | 3 |
Index/Indirect: | 6+ | 2+ |