jake smells

case 0x82: // ADI #

			data = fetch();
			temp_word = (WORD)Registers[REGISTER_A] + (WORD)data;

			if ((Flags & FLAG_C) != 0)
			{
				temp_word++;
			}
			if (temp_word >= 0x100)
			{
				Flags = Flags | FLAG_C; // set carry flag
			}
			else
			{
				Flags = Flags & (0xFF - FLAG_C);
			}

			set_flag_n((BYTE)temp_word);
			set_flag_z((BYTE)temp_word);
			set_flag_v(Registers[REGISTER_A], data, (BYTE)temp_word);
			Registers[REGISTER_A] = (BYTE)temp_word;

			break;

		case 0x83: // SBI #

			data = fetch();
			temp_word = (WORD)Registers[REGISTER_A] - (WORD)data;

			if ((Flags & FLAG_C) != 0)
			{
				temp_word--;
			}
			if (temp_word >= 0x100)
			{
				Flags = Flags | FLAG_C; // set carry flag
			}
			else
			{
				Flags = Flags & (0xFF - FLAG_C);
			}

			set_flag_n((BYTE)temp_word);
			set_flag_z((BYTE)temp_word);
			set_flag_v(Registers[REGISTER_A], -data, (BYTE)temp_word);
			Registers[REGISTER_A] = (BYTE)temp_word;

			break;

		case 0x84: // CPI #


			data = fetch();
			temp_word = (WORD)Registers[REGISTER_A] - (WORD)data;

			if ((Flags & FLAG_C) != 0)
			{
				temp_word++;
			}
			if (temp_word >= 0x100)
			{
				Flags = Flags | FLAG_C; // set carry flag
			}
			else
			{
				Flags = Flags & (0xFF - FLAG_C);
			}

			set_flag_n((BYTE)temp_word);
			set_flag_z((BYTE)temp_word);
			set_flag_v(Registers[REGISTER_A], -data, (BYTE)temp_word);

			break;