Nintendo DMG-01 - Game Boy Console Manual page 78

3.3.2. 16-Bit Loads
5. LD (nn),SP
Description:
Put Stack Pointer (SP) at address n.
Use with:
nn = two byte immediate address.
Opcodes:
Instruction
LD
6. PUSH nn
Description:
Push register pair nn onto stack.
Decrement Stack Pointer (SP) twice.
Use with:
nn = AF,BC,DE,HL
Opcodes:
Instruction
PUSH
PUSH
PUSH
PUSH
Page 78
Parameters
(nn),SP
Parameters
AF
BC
DE
HL
Game Boy
Opcode Cycles
08 20
Opcode Cycles
F5 16
C5 16
D5 16
E5 16
TM
CPU Manual
V 1.01