Nintendo DMG-01 - Game Boy Console Manual page 106

3.3.6. Rotates & Shifts
10. SRA n
Description:
Shift n right into Carry. MSB doesn't change.
Use with:
n = A,B,C,D,E,H,L,(HL)
Flags affected:
Z - Set if result is zero.
N - Reset.
H - Reset.
C - Contains old bit 0 data.
Opcodes:
Instruction
SRA
SRA
SRA
SRA
SRA
SRA
SRA
SRA
Page 106
Parameters
A
B
C
D
E
H
L
(HL)
Game Boy
Opcode Cycles
CB 2F 8
CB 28 8
CB 29 8
CB 2A 8
CB 2B 8
CB 2C 8
CB 2D 8
CB 2E 16
TM
CPU Manual
V 1.01