Форум РадиоКот

Код: Выделить всё

	switch(B_Komb)
	{
		case 1: // Б = А + Б
			while(Ii < Jj)
			{
				Mm = A_Table[phase_1>>22];
				dac_buf[Ii++] = (((Mm+B_Table[phase_2>>22])>>1)<<16)|Mm;
				phase_1 += freq_1;
				phase_2 += freq_2;
			}
			break;
		case 2: // Б = А * Б
			while(Ii < Jj)
			{
				Mm = A_Table[phase_1>>22];
				dac_buf[Ii++] = ((Mm*B_Table[phase_2>>22])&0xFFFF0000)|Mm;
				phase_1 += freq_1;
				phase_2 += freq_2;
			}
			break;
		case 3: // Б = А * -Б
			while(Ii < Jj)
			{
				Mm = A_Table[phase_1>>22];
				dac_buf[Ii++] = (((((int32_t)B_Table[phase_2>>22]-(B_M_VolHalf<<1))*((~Mm)&0xFFFF))+((uint32_t)B_M_VolHalf<<17))&0xFFFF0000)|Mm;
				phase_1 += freq_1;
				phase_2 += freq_2;
			}
			break;
		case 4: // Б = А ам Б
			while(Ii < Jj)
			{
				Mm = A_Table[phase_1>>22];
				dac_buf[Ii++] = (((((int32_t)B_Table[phase_2>>22]-B_M_VolHalf)*((~Mm)&0xFFFF))+((uint32_t)B_M_VolHalf<<16))&0xFFFF0000)|Mm;
				phase_1 += freq_1;
				phase_2 += freq_2;
			}
			break;
		case 5: // Б = Б ам А
			while(Ii < Jj)
			{
				Mm = A_Table[phase_1>>22];
				dac_buf[Ii++] = (((((int32_t)Mm-A_M_VolHalf)*B_Table[phase_2>>22])+((uint32_t)A_M_VolHalf<<16))&0xFFFF0000)|Mm;
				phase_1 += freq_1;
				phase_2 += freq_2;
			}
			break;
		case 6: // Б = А чм Б
			while(Ii < Jj)
			{
				Mm = A_Table[phase_1>>22];
				dac_buf[Ii++] = ((uint32_t)B_Table[phase_2>>22]<<16)|Mm;
				phase_1 += freq_1;
				phase_2 += (freq_2 +(uint32_t)(((uint64_t)(freq_2 -(freq_2>>3))*((~Mm)&0xFFFF))>>13))>>3; // (f+((7*f*(-Mm))/65536))/8
			}
			break;
		default: //  Б = Б, шум
			while(Ii < Jj)
			{
				dac_buf[Ii++] = ((uint32_t)B_Table[phase_2>>22]<<16)|A_Table[phase_1>>22];
				phase_1 += freq_1;
				phase_2 += freq_2;
			}
			break;
	}