gc80c520a CORERIVER Semiconductor, gc80c520a Datasheet - Page 149

• Manufacturer Part Number: gc80c520a
• Description: Midas1.0 Family Mask Rom/eprom/romless 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

MiDAS1.0 Family
RRC
A
Rotate Accumulator Right through Carry flag
Function:
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.
The Accumulator holds the value 0C5h (11000101b), the carry is zero. The
Example:
instruction,
RRC A
leaves the Accumulator holding the value 62h (01100010b) with the carry set.
Bytes:
1
1
Cycles:
Encoding:
0
0
0
1
0 0 1 1
RRC
Operation:
←
(A
)
(A
+ 1) n = 0 ~ 6
n
n
←
(A7)
(C)
←
(C)
(A0)
Page 149 of 187