범용 산술 연산과 CPU 제어 명령어

DAA Decimal Adjust Accumulator

CPL Complement

NEG Negate

CCF Complementary Carry Flag

SCF Set Carry Flag

NOP No Operation

HALT CPU Halt

EI Enable Global Interrupt

DI Disable Global Interrupt

IM Interrupt(INT) Mode

IM 0
IM 1
IM 2