Nintendo DMG-01 Manual - Page 97
Power down CPU until an interrupt occurs. Use
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Game BoyTM CPU Manual 3.3.5. Miscellaneous 6. NOP Description: No operation. Opcodes: Instruction Parameters NOP -/- Opcode Cycles 00 4 7. HALT Description: Power down CPU until an interrupt occurs. Use this when ever possible to reduce energy consumption. Opcodes: Instruction Parameters HALT -/- Opcode Cycles 76 4 8. STOP Description: Halt CPU & LCD display until button pressed. Opcodes: Instruction Parameters STOP -/- Opcode Cycles 10 00 4 by DP Page 97
Game Boy
TM
CPU Manual
3.3.5. Miscellaneous
6.
NOP
Description:
No operation.
Opcodes:
Instruction
Parameters
Opcode
Cycles
NOP
-/-
00
4
7.
HALT
Description:
Power down CPU until an interrupt occurs. Use this
when ever possible to reduce energy consumption.
Opcodes:
Instruction
Parameters
Opcode
Cycles
HALT
-/-
76
4
8.
STOP
Description:
Halt CPU & LCD display until button pressed.
Opcodes:
Instruction
Parameters
Opcode
Cycles
STOP
-/-
10 00
4
by DP
Page 97