Zilog Z08470 - Manual (Page 219)

UM008007-0715 Z80 Instruction Description
Z80 CPU
User Manual
207
RRCA
Operation
Op Code
RRCA
Operands
None.
Description
The contents of the Accumulator (Register A) are rotated right 1 bit position. Bit 0 is cop-
ied to the Carry flag and also to bit 7. Bit 0 is the least-significant bit.
Condition Bits Affected
S is not affected.
Z is not affected.
H is reset.
P/V is not affected.
N is reset.
C is data from bit 0 of Accumulator.
Example
The Accumulator contains the following data.
M Cycles T States 4 MHz E.T.
1 4 1.00
CY 0 7
A
0 0 0 1 1 1 0 1 0F