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//
// DSP code for SB Live (C) 4Front Technologies 2001. All rights reserved.
#define HAVE_EQ
#define HAVE_SURR_EQ
#define COPY(a,b) ACC3(a, b, 0, 0)
// Temporary variables
.gpr TMP_L
.gpr TMP_R
.gpr PCMTMP_L
.gpr PCMTMP_R
.gpr S_SUM_L
.gpr S_SUM_R
.gpr AUX_L
.gpr AUX_R
.gpr MIC_L
.gpr MIC_R
.gpr VUTMP
.gpr VUTMP2
.gpr CENTER_TMP
.gpr LFE_TMP
.gpr SURR_TMP_R
.gpr SURR_TMP_L
#ifdef AUDIGY
.gpr SPDIF_TMP_L
.gpr SPDIF_TMP_R
#endif
// Some parameters that are currently predefined by the assembler
//.parm PCM 100 stereo
//.parm MAIN 100 stereo VOL
#ifdef HAVE_EQ
#include "equalizer.mac"
#endif
// Monitor volumes and peak meters
#ifdef HAVE_EQ
.parm EQUALIZER 0 group
INCLUDE_EQPARMS
#endif
.parm FRONT 0 group
.parm SPDINVOL 100 mono SPDIF
.parm SPDINMONVU 0 stereopeak -
.parm CDSPDINVOL 100 mono DIGCD
.parm CDSPDINMONVU 0 stereopeak -
.parm AC97VOL 0 mono AC97
.parm AC97MONVU 0 stereopeak -
.parm FRONTPCM 100 mono PCM
.parm FRONTPCMVU 0 stereopeak -
.parm FRONTAUX 100 mono AUX
.parm FRONTAUXVU 0 stereopeak -
#ifdef AUDIGY
.parm FRONTMIC 100 mono MIC
.parm FRONTMICVU 0 stereopeak -
#endif
.parm FRONTVOL 100 stereo VOL
.parm FRONTVU 0 stereopeak -
.parm SURR 0 group
.parm R_SPDINVOL 0 mono SPDIF
.parm R_SPDINMONVU 0 stereopeak -
.parm R_CDSPDINVOL 0 mono DIGCD
.parm R_CDSPDINMONVU 0 stereopeak -
.parm R_AC97VOL 0 mono AC97
.parm R_AC97MONVU 0 stereopeak -
.parm SURRPCM 100 mono PCM
.parm SURRPCMVU 0 stereopeak -
.parm SURRAUX 0 mono AUX
.parm SURRAUXVU 0 stereopeak -
#ifdef AUDIGY
.parm SURRMIC 100 mono MIC
.parm SURRMICVU 0 stereopeak -
#endif
.parm SURRVOL 100 stereo VOL
.parm SURRVU 0 stereopeak -
// Recording volumes and VU meters
.parm RECORD 0 group
.parm SPDIFREC 100 mono SPDIF
.parm SPDIFVU 0 stereopeak -
.parm CDSPDIFREC 100 mono DIGCD
.parm CDVU 0 stereopeak -
.parm AC97REC 100 mono AC97
.parm AC97VU 0 stereopeak -
.parm LOOP 0 mono PCM
.parm LOOPVU 0 stereopeak -
.parm RECAUX 100 mono AUX
.parm RECAUXVU 0 stereopeak -
#ifdef AUDIGY
.parm RECMIC 0 mono MIC
.parm RECMICVU 0 stereopeak -
#endif
.parm RECVOL 100 stereo VOL
.parm RECVU 0 stereopeak -
// Dummy placeholders for the main VU meter.
.gpr VU_L
.gpr VU_R
#ifdef AUDIGY
#include "emu10k2.mac"
#else
#include "emu10k1.mac"
#endif
#ifdef AUDIGY
.parm _PASSTHROUGH 0 onoff;
#endif
#ifdef HAVE_EQ
INCLUDE_EQVARS
INCLUDE_DELAYS(L)
INCLUDE_DELAYS(R)
# ifdef HAVE_SURR_EQ
INCLUDE_DELAYS(SL)
INCLUDE_DELAYS(SR)
# endif
#endif
#include "vu.mac"
#ifdef AUDIGY
// Take wavetable engine front sends (0,1)
MACINTS(TMP_L, 0, SEND_L, 1)
MACINTS(TMP_R, 0, SEND_R, 1)
MACS(PCMTMP_L, 0, TMP_L, PCM_L)
MACS(PCMTMP_R, 0, TMP_R, PCM_R)
// Take raw S/PDIF from the dedicated sends
COPY(SPDIF_TMP_L, SPDIF_L)
COPY(SPDIF_TMP_R, SPDIF_R)
// Do the same for surround and rear speaker outputs (sum them together)
SUM(S_SUM_L, SEND_SL, SEND_RL, 0)
SUM(S_SUM_R, SEND_SR, SEND_RR, 0)
MACINTS(CENTER_TMP, 0, SEND_C, 1)
MACINTS(LFE_TMP, 0, SEND_W, 1)
MACS(S_SUM_L, 0, S_SUM_L, PCM_L)
MACS(S_SUM_R, 0, S_SUM_R, PCM_R)
#else
// Take wavetable engine front sends (0,1) and multiply them by 4 to boost volume
MACINTS(TMP_L, 0, SEND_L, 4)
MACINTS(TMP_R, 0, SEND_R, 4)
MACS(PCMTMP_L, 0, TMP_L, PCM_L)
MACS(PCMTMP_R, 0, TMP_R, PCM_R)
// Do the same for rear outputs (2,3)
MACINTS(S_SUM_L, 0, SEND_SL, 4)
MACINTS(S_SUM_R, 0, SEND_SR, 4)
MACS(S_SUM_L, 0, S_SUM_L, PCM_L)
MACS(S_SUM_R, 0, S_SUM_R, PCM_R)
#endif
//
// Auxiliary input monitors (front channel)
//
MACS(AUX_L, 0, PCMTMP_L, FRONTPCM)
MACS(AUX_R, 0, PCMTMP_R, FRONTPCM)
VU(FRONTPCMVU_L, AUX_L)
VU(FRONTPCMVU_R, AUX_R)
MACS(AUX_L, AUX_L, CDSPDIFIN_L, CDSPDINVOL)
MACS(AUX_R, AUX_R, CDSPDIFIN_R, CDSPDINVOL)
// CD S/PDIF input monitor VU
VUSCALE(CDSPDINMONVU_L, CDSPDIFIN_L, CDSPDINVOL)
VUSCALE(CDSPDINMONVU_R, CDSPDIFIN_R, CDSPDINVOL)
MACS(AUX_L, AUX_L, AC97IN_L, AC97VOL)
MACS(AUX_R, AUX_R, AC97IN_R, AC97VOL)
// AC97 monitor VU
VUSCALE(AC97MONVU_L, AC97IN_L, AC97VOL)
VUSCALE(AC97MONVU_R, AC97IN_R, AC97VOL)
MACS(AUX_L, AUX_L, GPSPDIFIN_L, SPDINVOL)
MACS(AUX_R, AUX_R, GPSPDIFIN_R, SPDINVOL)
// S/PDIF input monitor VU
VUSCALE(SPDINMONVU_L, GPSPDIFIN_L, SPDINVOL)
VUSCALE(SPDINMONVU_R, GPSPDIFIN_R, SPDINVOL)
// Boost S/PDIF input level by summing it twice
MACS(AUX_L, AUX_L, GPSPDIFIN_L, SPDINVOL)
MACS(AUX_R, AUX_R, GPSPDIFIN_R, SPDINVOL)
// Auxiliary inputs (Live Drive)
MACS(AUX_L, AUX_L, AUXIN_L, FRONTAUX)
MACS(AUX_R, AUX_R, AUXIN_R, FRONTAUX)
VUSCALE(FRONTAUXVU_L, AUXIN_L, FRONTAUX)
VUSCALE(FRONTAUXVU_R, AUXIN_R, FRONTAUX)
// Apply main volume to the aux input front volume
MACS(AUX_L, 0, AUX_L, MAIN_L)
MACS(AUX_R, 0, AUX_R, MAIN_R)
#ifdef AUDIGY
// Livedrive mic inputs
MACS(MIC_L, MIC_L, MICIN_L, FRONTMIC)
MACS(MIC_R, MIC_R, MICIN_R, FRONTMIC)
VUSCALE(FRONTMICVU_L, MICIN_L, FRONTMIC)
VUSCALE(FRONTMICVU_R, MICIN_R, FRONTMIC)
// Apply main volume to the aux input front volume
MACS(MIC_L, 0, AUX_L, MAIN_L)
MACS(MIC_R, 0, AUX_R, MAIN_R)
#endif
#ifdef HAVE_EQ
EQUALIZER(L, L, AUX_L)
EQUALIZER(R, R, AUX_R)
#endif
// Secondary sends before applying front volume
#ifdef AUDIGY
MACINTS(SPDOUT1_L, 0, AUX_L, _PASSTHROUGH_OFF)
MACINTS(SPDOUT1_R, 0, AUX_R, _PASSTHROUGH_OFF)
// S/PDIF passthrough
.const 0x1008 0x1008
.const 0xffff0000 0xffff0000
.gpr TMP0
.gpr TMP1
.gpr TMP2
// Left channel
COPY(TMP2, SPDIF_TMP_L)
SKIP(CCR, CCR, 0x1008, 1)
ACC3(TMP2, 0, 65536, TMP2)
ANDXOR(TMP2, TMP2, 0xffff0000, 0)
MACINTS(TMP0, 0, TMP2, _PASSTHROUGH_ON)
ANDXOR(TMP1, _PASSTHROUGH_ON, 1, 1)
MACINTS(TMP1, 0, AUX_L, TMP1)
ACC3(SPDOUT1_L, TMP0, TMP1, 0)
// Right channel
COPY(TMP2, SPDIF_TMP_R)
SKIP(CCR, CCR, 0x1008, 1)
ACC3(TMP2, 0, 65536, TMP2)
ANDXOR(TMP2, TMP2, 0xffff0000, 0)
MACINTS(TMP0, 0, TMP2, _PASSTHROUGH_ON)
ANDXOR(TMP1, _PASSTHROUGH_ON, 1, 1)
MACINTS(TMP1, 0, AUX_R, TMP1)
ACC3(SPDOUT1_R, TMP0, TMP1, 0)
#else
COPY(SPDOUT1_L, AUX_L)
COPY(SPDOUT1_R, AUX_R)
#endif
// Update main peak meters
VU(VU_L, AUX_L)
VU(VU_R, AUX_R)
// Mix the PCM sends with monitor inputs in and write to front output
MACS(FRONT_L, 0, AUX_L, FRONTVOL_L)
MACS(FRONT_R, 0, AUX_R, FRONTVOL_R)
MACS(HEADPH_L, 0, AUX_L, FRONTVOL_L)
MACS(HEADPH_R, 0, AUX_R, FRONTVOL_R)
VUSCALE(FRONTVU_L, AUX_L, FRONTVOL_L)
VUSCALE(FRONTVU_R, AUX_R, FRONTVOL_R)
//
// Auxiliary input monitors (rear channel)
//
MACS(S_SUM_L, 0, S_SUM_L, SURRPCM)
MACS(S_SUM_R, 0, S_SUM_R, SURRPCM)
VU(SURRPCMVU_L, S_SUM_L)
VU(SURRPCMVU_R, S_SUM_R)
MACS(S_SUM_L, S_SUM_L, CDSPDIFIN_L, R_CDSPDINVOL)
MACS(S_SUM_R, S_SUM_R, CDSPDIFIN_R, R_CDSPDINVOL)
// CD S/PDIF input monitor VU
VUSCALE(R_CDSPDINMONVU_L, CDSPDIFIN_L, R_CDSPDINVOL)
VUSCALE(R_CDSPDINMONVU_R, CDSPDIFIN_R, R_CDSPDINVOL)
MACS(S_SUM_L, S_SUM_L, AC97IN_L, R_AC97VOL)
MACS(S_SUM_R, S_SUM_R, AC97IN_R, R_AC97VOL)
// AC97 monitor VU
VUSCALE(R_AC97MONVU_L, AC97IN_L, R_AC97VOL)
VUSCALE(R_AC97MONVU_R, AC97IN_R, R_AC97VOL)
MACS(S_SUM_L, S_SUM_L, GPSPDIFIN_L, R_SPDINVOL)
MACS(S_SUM_R, S_SUM_R, GPSPDIFIN_R, R_SPDINVOL)
// S/PDIF input monitor VU
VUSCALE(R_SPDINMONVU_L, GPSPDIFIN_L, R_SPDINVOL)
VUSCALE(R_SPDINMONVU_R, GPSPDIFIN_R, R_SPDINVOL)
MACS(S_SUM_L, S_SUM_L, AUXIN_L, SURRAUX)
MACS(S_SUM_R, S_SUM_R, AUXIN_R, SURRAUX)
VUSCALE(SURRAUXVU_L, AUXIN_L, SURRAUX)
VUSCALE(SURRAUXVU_R, AUXIN_R, SURRAUX)
#ifdef AUDIGY
MACS(S_SUM_L, S_SUM_L, MICIN_L, SURRMIC)
MACS(S_SUM_R, S_SUM_R, MICIN_R, SURRMIC)
VUSCALE(SURRMICVU_L, MICIN_L, SURRMIC)
VUSCALE(SURRMICVU_R, MICIN_R, SURRMIC)
#endif
#if 0
// Boost S/PDIF input level by summing it twice
MACS(S_SUM_L, S_SUM_L, GPSPDIFIN_L, R_SPDINVOL)
MACS(S_SUM_R, S_SUM_R, GPSPDIFIN_R, R_SPDINVOL)
#endif
MACS(TMP_L, 0, S_SUM_L, MAIN_L)
MACS(TMP_R, 0, S_SUM_R, MAIN_R)
#if defined(HAVE_EQ) && defined(HAVE_SURR_EQ)
EQUALIZER(L, SL, TMP_L)
EQUALIZER(R, SR, TMP_R)
#endif
MACS(SURR_L, 0, TMP_L, SURRVOL_L)
MACS(SURR_R, 0, TMP_R, SURRVOL_R)
#ifdef AUDIGY
MACS(DSURR_L, 0, TMP_L, SURRVOL_L)
MACS(DSURR_R, 0, TMP_R, SURRVOL_R)
#else
MACS(AC97SURR_L, 0, TMP_L, SURRVOL_L)
MACS(AC97SURR_R, 0, TMP_R, SURRVOL_R)
MACINTS(CENTER_TMP, 0, SEND_C, 1)
MACINTS(LFE_TMP, 0, SEND_W, 1)
#endif
VUSCALE(SURRVU_L, TMP_L, SURRVOL_L)
VUSCALE(SURRVU_R, TMP_R, SURRVOL_R)
//
// Misc outputs
//
SUM(DCENTER, CENTER_TMP, 0, 0)
SUM(DLFE, LFE_TMP, 0, 0)
SUM(ACENTER, CENTER_TMP, 0, 0)
SUM(ALFE, LFE_TMP, 0, 0)
//
// Recording sources and VU meters
//
MACS(TMP_L, 0, AC97IN_L, AC97REC)
MACS(TMP_R, 0, AC97IN_R, AC97REC)
VUSCALE(AC97VU_L, AC97IN_L, AC97REC)
VUSCALE(AC97VU_R, AC97IN_R, AC97REC)
MACS(TMP_L, TMP_L, GPSPDIFIN_L, SPDIFREC)
MACS(TMP_R, TMP_R, GPSPDIFIN_R, SPDIFREC)
VUSCALE(SPDIFVU_L, GPSPDIFIN_L, SPDIFREC)
VUSCALE(SPDIFVU_R, GPSPDIFIN_R, SPDIFREC)
MACS(TMP_L, TMP_L, CDSPDIFIN_L, CDSPDIFREC)
MACS(TMP_R, TMP_R, CDSPDIFIN_R, CDSPDIFREC)
VUSCALE(CDVU_L, CDSPDIFIN_L, CDSPDIFREC)
VUSCALE(CDVU_R, CDSPDIFIN_R, CDSPDIFREC)
MACS(TMP_L, TMP_L, PCMTMP_L, LOOP)
MACS(TMP_R, TMP_R, PCMTMP_R, LOOP)
VUSCALE(LOOPVU_L, PCMTMP_L, LOOP)
VUSCALE(LOOPVU_R, PCMTMP_R, LOOP)
MACS(TMP_L, TMP_L, AUXIN_L, RECAUX)
MACS(TMP_R, TMP_R, AUXIN_R, RECAUX)
VUSCALE(RECAUXVU_L, AUXIN_L, RECAUX)
VUSCALE(RECAUXVU_R, AUXIN_R, RECAUX)
#ifdef AUDIGY
MACS(TMP_L, TMP_L, MICIN_L, RECMIC)
MACS(TMP_R, TMP_R, MICIN_R, RECMIC)
VUSCALE(RECMICVU_L, MICIN_L, RECMIC)
VUSCALE(RECMICVU_R, MICIN_R, RECMIC)
#endif
MACS(ADC_L, 0, TMP_L, RECVOL_L)
MACS(ADC_R, 0, TMP_R, RECVOL_R)
VUSCALE(RECVU_L, TMP_L, RECVOL_L)
VUSCALE(RECVU_R, TMP_R, RECVOL_R)
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