diff options
Diffstat (limited to 'arm-hybrid-22k/lib_src/ARM_synth_constants_gnu.inc')
-rw-r--r-- | arm-hybrid-22k/lib_src/ARM_synth_constants_gnu.inc | 306 |
1 files changed, 153 insertions, 153 deletions
diff --git a/arm-hybrid-22k/lib_src/ARM_synth_constants_gnu.inc b/arm-hybrid-22k/lib_src/ARM_synth_constants_gnu.inc index b4cd29a..c0f8df3 100644 --- a/arm-hybrid-22k/lib_src/ARM_synth_constants_gnu.inc +++ b/arm-hybrid-22k/lib_src/ARM_synth_constants_gnu.inc @@ -1,153 +1,153 @@ -@***********************************************************
-@ File: ARM_synth_constants.inc
-@ Processor: ARM
-@ Description: Contains constants and defines, most of which
-@ are mirrored in synth.h
-@
-@ Copyright Sonic Network Inc. 2004
-@****************************************************************
-@ Revision Control:
-@ $Revision: 741 $
-@ $Date: 2007-06-22 16:39:21 -0700 (Fri, 22 Jun 2007) $
-@****************************************************************
-
-
- .ifdef SAMPLE_RATE_8000
- .equ SYNTH_UPDATE_PERIOD_IN_BITS, 5
- .equ BUFFER_SIZE_IN_MONO_SAMPLES, 32
- .endif
-
- .ifdef SAMPLE_RATE_16000
- .equ SYNTH_UPDATE_PERIOD_IN_BITS, 6
- .equ BUFFER_SIZE_IN_MONO_SAMPLES, 64
- .endif
-
- .ifdef SAMPLE_RATE_20000
- .equ SYNTH_UPDATE_PERIOD_IN_BITS, 7
- .equ BUFFER_SIZE_IN_MONO_SAMPLES, 128
- .endif
-
- .ifdef SAMPLE_RATE_22050
- .equ SYNTH_UPDATE_PERIOD_IN_BITS, 7
- .equ BUFFER_SIZE_IN_MONO_SAMPLES, 128
- .endif
-
- .ifdef SAMPLE_RATE_24000
- .equ SYNTH_UPDATE_PERIOD_IN_BITS, 7
- .equ BUFFER_SIZE_IN_MONO_SAMPLES, 128
- .endif
-
- .ifdef SAMPLE_RATE_32000
- .equ SYNTH_UPDATE_PERIOD_IN_BITS, 7
- .equ BUFFER_SIZE_IN_MONO_SAMPLES, 128
- .endif
-
- .ifdef SAMPLE_RATE_44100
- .equ SYNTH_UPDATE_PERIOD_IN_BITS, 8
- .equ BUFFER_SIZE_IN_MONO_SAMPLES, 256
- .endif
-
- .ifdef SAMPLE_RATE_48000
- .equ SYNTH_UPDATE_PERIOD_IN_BITS, 8
- .equ BUFFER_SIZE_IN_MONO_SAMPLES, 256
- .endif
-
-
-@ if the OUTPUT PCM sample is 16-bits, then when using indexed addressing,
-@ the next sample is this many bytes away
- .equ NEXT_OUTPUT_PCM, 2
-
-@****************************************************************************
-@/* macros for fractional phase accumulator */
- .equ NUM_PHASE_FRAC_BITS, 15
-
- .equ PHASE_FRAC_MASK, 0x7FFF
-
-@ shift for phase accumulator when fraction carries over
- .ifdef SAMPLES_8_BIT
- .equ NEXT_INPUT_PCM_SHIFT, 0
- .endif
-
- .ifdef SAMPLES_16_BIT
- .equ NEXT_INPUT_PCM_SHIFT, 1
- .endif
-
-@****************************************************************************
- .equ NUM_MIXER_GUARD_BITS, 4
-
-@****************************************************************************
-@/* Envelope 1 (EG1) calculation macros */
- .equ NUM_EG1_FRAC_BITS, 15
-
-@****************************************************************************
-
- .equ NUM_ENHANCER_FILTER_COEF_FRAC_BITS, 5
-
-@****************************************************************************
-
-@
-@ I've temporarily given up on the idea of getting ADS/RV and gcc to
-@ handle a struct in a compatible fashion. Switching to old fashion EQU
-@
-
- .if FILTER_ENABLED
-@**************************************
-@ typedef struct s_filter_tag
- .equ m_z1, 0
- .equ m_z2, 2
- .endif
-
-@**************************************
-@ typedef struct s_wt_frame_tag
- .equ m_gainTarget, 0
- .equ m_phaseIncrement, 4
-
- .if FILTER_ENABLED
- .equ m_k, 8
- .equ m_b1, 12
- .equ m_b2, 16
- .equ m_pAudioBuffer, 20
- .equ m_pMixBuffer, 24
- .equ m_numSamples, 28
- .equ m_prevGain, 32
- .else
- .equ m_pAudioBuffer, 8
- .equ m_pMixBuffer, 12
- .equ m_numSamples, 16
- .equ m_prevGain, 20
- .endif
-
-
-@**************************************
-@ typedef struct s_wt_voice_tag
- .equ m_pLoopEnd, 0 @ /* points to last PCM sample (not 1 beyond last) */
- .equ m_pLoopStart, 4 @ /* points to first sample at start of loop */
- .equ m_pPhaseAccum, 8 @ /* points to first sample at start of loop */
- .equ m_phaseFrac, 12 @ /* points to first sample at start of loop */
-
- .if STEREO_OUTPUT
- .equ m_gainLeft, 16 @ /* current gain, left ch */
- .equ m_gainRight, 18 @ /* current gain, right ch */
- .endif
-
-
-@****************************************************************************
-@ enhancer
- .equ m_nEnhancerFeedForward1, 0
- .equ m_nEnhancerFeedback1, 1
- .equ m_nDriveCoef, 2
- .equ m_nEnhancerFeedback2, 3
- .equ m_nWet, 4
- .equ m_nDry, 5
-
- .equ m_zF0L, 6 @ filter 1 zero state var, left
- .equ m_zF1L, 8 @ filter 1 pole state var, left
- .equ m_zF2L, 10 @ filter 2 zero state var, left
- .equ m_zF0R, 12 @ filter 1 zero state var, right
- .equ m_zF1R, 14 @ filter 1 pole state var, right
- .equ m_zF2R, 16 @ filter 2 zero state var, right
-
-@****************************************************************************
-
-
-
+@*********************************************************** +@ File: ARM_synth_constants.inc +@ Processor: ARM +@ Description: Contains constants and defines, most of which +@ are mirrored in synth.h +@ +@ Copyright Sonic Network Inc. 2004 +@**************************************************************** +@ Revision Control: +@ $Revision: 741 $ +@ $Date: 2007-06-22 16:39:21 -0700 (Fri, 22 Jun 2007) $ +@**************************************************************** + + + .ifdef SAMPLE_RATE_8000 + .equ SYNTH_UPDATE_PERIOD_IN_BITS, 5 + .equ BUFFER_SIZE_IN_MONO_SAMPLES, 32 + .endif + + .ifdef SAMPLE_RATE_16000 + .equ SYNTH_UPDATE_PERIOD_IN_BITS, 6 + .equ BUFFER_SIZE_IN_MONO_SAMPLES, 64 + .endif + + .ifdef SAMPLE_RATE_20000 + .equ SYNTH_UPDATE_PERIOD_IN_BITS, 7 + .equ BUFFER_SIZE_IN_MONO_SAMPLES, 128 + .endif + + .ifdef SAMPLE_RATE_22050 + .equ SYNTH_UPDATE_PERIOD_IN_BITS, 7 + .equ BUFFER_SIZE_IN_MONO_SAMPLES, 128 + .endif + + .ifdef SAMPLE_RATE_24000 + .equ SYNTH_UPDATE_PERIOD_IN_BITS, 7 + .equ BUFFER_SIZE_IN_MONO_SAMPLES, 128 + .endif + + .ifdef SAMPLE_RATE_32000 + .equ SYNTH_UPDATE_PERIOD_IN_BITS, 7 + .equ BUFFER_SIZE_IN_MONO_SAMPLES, 128 + .endif + + .ifdef SAMPLE_RATE_44100 + .equ SYNTH_UPDATE_PERIOD_IN_BITS, 8 + .equ BUFFER_SIZE_IN_MONO_SAMPLES, 256 + .endif + + .ifdef SAMPLE_RATE_48000 + .equ SYNTH_UPDATE_PERIOD_IN_BITS, 8 + .equ BUFFER_SIZE_IN_MONO_SAMPLES, 256 + .endif + + +@ if the OUTPUT PCM sample is 16-bits, then when using indexed addressing, +@ the next sample is this many bytes away + .equ NEXT_OUTPUT_PCM, 2 + +@**************************************************************************** +@/* macros for fractional phase accumulator */ + .equ NUM_PHASE_FRAC_BITS, 15 + + .equ PHASE_FRAC_MASK, 0x7FFF + +@ shift for phase accumulator when fraction carries over + .ifdef SAMPLES_8_BIT + .equ NEXT_INPUT_PCM_SHIFT, 0 + .endif + + .ifdef SAMPLES_16_BIT + .equ NEXT_INPUT_PCM_SHIFT, 1 + .endif + +@**************************************************************************** + .equ NUM_MIXER_GUARD_BITS, 4 + +@**************************************************************************** +@/* Envelope 1 (EG1) calculation macros */ + .equ NUM_EG1_FRAC_BITS, 15 + +@**************************************************************************** + + .equ NUM_ENHANCER_FILTER_COEF_FRAC_BITS, 5 + +@**************************************************************************** + +@ +@ I've temporarily given up on the idea of getting ADS/RV and gcc to +@ handle a struct in a compatible fashion. Switching to old fashion EQU +@ + + .if FILTER_ENABLED +@************************************** +@ typedef struct s_filter_tag + .equ m_z1, 0 + .equ m_z2, 2 + .endif + +@************************************** +@ typedef struct s_wt_frame_tag + .equ m_gainTarget, 0 + .equ m_phaseIncrement, 4 + + .if FILTER_ENABLED + .equ m_k, 8 + .equ m_b1, 12 + .equ m_b2, 16 + .equ m_pAudioBuffer, 20 + .equ m_pMixBuffer, 24 + .equ m_numSamples, 28 + .equ m_prevGain, 32 + .else + .equ m_pAudioBuffer, 8 + .equ m_pMixBuffer, 12 + .equ m_numSamples, 16 + .equ m_prevGain, 20 + .endif + + +@************************************** +@ typedef struct s_wt_voice_tag + .equ m_pLoopEnd, 0 @ /* points to last PCM sample (not 1 beyond last) */ + .equ m_pLoopStart, 4 @ /* points to first sample at start of loop */ + .equ m_pPhaseAccum, 8 @ /* points to first sample at start of loop */ + .equ m_phaseFrac, 12 @ /* points to first sample at start of loop */ + + .if STEREO_OUTPUT + .equ m_gainLeft, 16 @ /* current gain, left ch */ + .equ m_gainRight, 18 @ /* current gain, right ch */ + .endif + + +@**************************************************************************** +@ enhancer + .equ m_nEnhancerFeedForward1, 0 + .equ m_nEnhancerFeedback1, 1 + .equ m_nDriveCoef, 2 + .equ m_nEnhancerFeedback2, 3 + .equ m_nWet, 4 + .equ m_nDry, 5 + + .equ m_zF0L, 6 @ filter 1 zero state var, left + .equ m_zF1L, 8 @ filter 1 pole state var, left + .equ m_zF2L, 10 @ filter 2 zero state var, left + .equ m_zF0R, 12 @ filter 1 zero state var, right + .equ m_zF1R, 14 @ filter 1 pole state var, right + .equ m_zF2R, 16 @ filter 2 zero state var, right + +@**************************************************************************** + + + |