Figure 1. src
Description
Shifts the contents of register rA, one bit to the right, and places the result in rD. The Carry flag is shifted in the shift chain and placed in the most significant bit of rD. The least significant bit coming out of the shift chain is placed in the Carry flag.
Pseudocode
(rD)[0] ← MSR[C]
(rD)[1:31] ← (rA)[0:30]
MSR[C] ← (rA)[31]Registers Altered
- rD
- MSR[C]
Latency
- 1 cycle