_currentInstruction = Fetch();

switch (_currentInstruction)
{
    case 0xDD:
        //DDInstructionTable[_currentInstruction](); break;
        DDSwitchTable(); break;
        //etc
}

_currentInstruction = Fetch();

switch (_currentInstruction)
{
    case 0xDD:
        //DDInstructionTable[_currentInstruction](); break;
        DDSwitchTable(); break;
        //etc
}

private void LD_C_B() => LD_R_R(C, B);

instructionTable[0x48] = LD_C_B;

private void LD_C_B() => LD_R_R(C, B);

instructionTable[0x48] = LD_C_B;