DR805X Datasheet, PDF (69/79 Pages) Digital Core Design – 8-bit RISC Microcontroller Instructions set details ver 3.10

DR805x Instructions set details
3.37. RRC
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Instruction: RRC A
Function: Rotate accumulator right through carry flag
Description: The eight bits in the accumulator and the carry flag are together rotated
one bit to the right. Bit 0 moves into the carry flag; the original value of
the carry flag moves into the bit 7 position. No other flags are affected.
Operation:
(PC) ← (PC) + 1
(An) ← (An + 1) n=0-6
(A7) ← (C)
(C) ← (A0)
Bytes:
1
Cycles:
1
Encoding:
00010011
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