Nintendo DMG-01 - Game Boy Console Manual page 66

3.3.1. 8-Bit Loads
2. LD r1,r2
Description:
Put value r2 into r1.
Use with:
r1,r2 = A,B,C,D,E,H,L,(HL)
Opcodes:
Instruction
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
Page 66
Parameters
A,A
A,B
A,C
A,D
A,E
A,H
A,L
A,(HL)
B,B
B,C
B,D
B,E
B,H
B,L
B,(HL)
C,B
C,C
C,D
C,E
C,H
C,L
C,(HL)
D,B
D,C
Game Boy
Opcode Cycles
7F 4
78 4
79 4
7A 4
7B 4
7C 4
7D 4
7E 8
40 4
41 4
42 4
43 4
44 4
45 4
46 8
48 4
49 4
4A 4
4B 4
4C 4
4D 4
4E 8
50 4
51 4
TM
CPU Manual
V 1.01