Nintendo DMG-01 Manual - Page 102
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3.3.6. Rotates & Shifts Game BoyTM CPU Manual 6. RL n Description: Rotate n left through Carry flag. 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 7 data. Opcodes: Instruction RL RL RL RL RL RL RL RL Parameters A B C D E H L (HL) Opcode CB 17 CB 10 CB 11 CB 12 CB 13 CB 14 CB 15 CB 16 Cycles 8 8 8 8 8 8 8 16 Page 102 V 1.01
3.3.6. Rotates & Shifts
Game Boy
TM
CPU Manual
6.
RL n
Description:
Rotate n left through Carry flag.
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 7 data.
Opcodes:
Instruction
Parameters
Opcode
Cycles
RL
A
CB 17
8
RL
B
CB 10
8
RL
C
CB 11
8
RL
D
CB 12
8
RL
E
CB 13
8
RL
H
CB 14
8
RL
L
CB 15
8
RL
(HL)
CB 16
16
Page 102
V 1.01