sointu/src/sointu.inc

302 lines
11 KiB
PHP

%ifndef SOINTU_INC
%define SOINTU_INC
; Following defines have to be defined before this include:
; MAX_TRACKS e.g. %define MAX_TRACKS 10
; BPM e.g. %define BPM 100
; MAX_PATTERNS e.g. %define MAX_PATTERNS 1
; MAX_VOICES e.g. %define MAX_VOICES 4 <- e.g. 4 instruments or 1 polyphonic instrument with 4 voices
;
; Optionally:
; PATTERN_SIZE e.g. %define PATTERN_SIZE 16 <- this is the default
%macro EXPORT 1
global %1
%1
%endmacro
%ifidn __OUTPUT_FORMAT__,win32
; on win32, function f with n parameters is mangled as "_f@n"
%define MANGLE_FUNC(f,n) _ %+ f %+ @ %+ n
%define WIN_OR_MAC
%endif
%ifidn __OUTPUT_FORMAT__,elf32
; on linux, function f with n parameters is mangled as "f"
%define MANGLE_FUNC(f,n) f
%endif
%ifidn __OUTPUT_FORMAT__,macho32
; on mac, function f with x parameters is mangled as "_f"
%define MANGLE_FUNC(f,n) _f
%define WIN_OR_MAC
%endif
%ifdef WIN_OR_MAC
; Windows has crinkler so one may USE_SECTIONS to put everything in custom sections to aid crinkler.
; Maybe mac users need it too
%ifdef USE_SECTIONS
%define SECT_BSS(n) section . %+ n bss align=1
%define SECT_DATA(n) section . %+ n data align=1
%define SECT_TEXT(n) section . %+ n code align=1
%else
%define SECT_BSS(n) section .bss align=1
%define SECT_DATA(n) section .data align=1
%define SECT_TEXT(n) section .code align=1
%endif
; On windows and mac, data label d is mangled as "_d"
%define MANGLE_DATA(d) _ %+ d
%else
; Linux
%ifdef USE_SECTIONS
%define SECT_BSS(n) section .bss. %+ n nobits alloc noexec write align=1
%define SECT_DATA(n) section .data. %+ n progbits alloc noexec write align=1
%define SECT_TEXT(n) section .text. %+ n progbits alloc exec nowrite align=1
%else
%define SECT_BSS(n) section .bss. nobits alloc noexec write align=1
%define SECT_DATA(n) section .data. progbits alloc noexec write align=1
%define SECT_TEXT(n) section .text. progbits alloc exec nowrite align=1
%endif
; On linux, data label d is mangled as "d"
%define MANGLE_DATA(d) d
%endif
%ifdef SU_USE_ALL
; SU_USE_ALL is convenience way to enable almost all features of the synth, for vsti plugins and such which
; do not have any size constraints. However, SU_USE_ALL should only enable features that absolutely do not
; change the functioning of the synth in any way, just add features. Clipping, 16 bit output etc. should still
; be enabled only whent they are actually needed
; Things that are NOT defined by SU_USE_ALL
;%define SU_USE_16BIT_OUTPUT ; // removing this will output to 32bit floating point buffer
;%define SU_USE_GROOVE_PATTERN ; // removing this skips groove pattern code
;%define SU_USE_ENVELOPE_RECORDINGS ; // removing this skips envelope recording code
;%define SU_USE_NOTE_RECORDINGS ; // removing this skips note recording code
;%define SU_USE_UNDENORMALIZE ; // removing this skips denormalization code in the units
;%define SU_CLIP_OUTPUT ; // removing this skips clipping code for the final output
%define SU_USE_DST ; // removing this will skip DST unit
%define SU_USE_DLL ; // removing this will skip DLL unit
%define SU_USE_PAN ; // removing this will skip PAN unit
%define SU_USE_GLOBAL_DLL ; // removing this will skip global dll processing
%define SU_USE_FSTG ; // removing this will skip global store unit
%define SU_USE_FLD ; // removing this will skip float load unit
%define SU_USE_GLITCH ; // removing this will skip GLITCH unit
%define SU_USE_ENV_CHECK ; // removing this skips checks if processing is needed
%define SU_USE_VCO_CHECK ; // removing this skips checks if processing is needed
%define SU_USE_VCO_PHASE_OFFSET ; // removing this will skip initial phase offset code
%define SU_USE_VCO_SHAPE ; // removing this skips waveshaping code
%define SU_USE_VCO_GATE ; // removing this skips gate code
%define SU_USE_VCO_MOD_FM ; // removing this skips frequency modulation code
%define SU_USE_VCO_MOD_DM ; // removing this skips detune modulation code
%define SU_USE_VCO_STEREO ; // removing this skips stereo code
%define SU_USE_VCF_CHECK ; // removing this skips checks if processing is needed
%define SU_USE_VCF_HIGH ; // removing this skips code for high output
%define SU_USE_VCF_BAND ; // removing this skips code for band output
%define SU_USE_VCF_PEAK ; // removing this skips code for peak output
%define SU_USE_VCF_STEREO ; // removing this skips code for stereo filter output
%define SU_USE_DST_CHECK ; // removing this skips checks if processing is needed
%define SU_USE_DST_SH ; // removing this skips sample and hold code
%define SU_USE_DST_STEREO ; // removing this skips stereo processing
%define SU_USE_DLL_NOTE_SYNC ; // removing this will skip delay length adjusting code (karplus strong)
%define SU_USE_DLL_CHORUS ; // removing this will skip delay chorus/flanger code
%define SU_USE_DLL_CHORUS_CLAMP ; // removing this will skip chorus lfo phase clamping
%define SU_USE_DLL_DAMP ; // removing this will skip dll damping code
%define SU_USE_DLL_DC_FILTER ; // removing this will skip dll dc offset removal code
%define SU_USE_FSTG_CHECK ; // removing this skips checks if processing is needed
%define SU_USE_WAVESHAPER_CLIP ; // removing this will skip clipping code
%endif
%ifdef SU_USE_VCO_SHAPE
%define INCLUDE_WAVESHAPER
%endif
%ifdef SU_USE_DST
%define INCLUDE_WAVESHAPER
%endif
%ifdef SU_USE_16BIT_OUTPUT
%define SU_INCLUDE_CLIP
%endif
;%include "opcodes/flowcontrol.inc"
%assign CUR_ID 2
%define CMDS ; CMDS is empty at first, no commands defined
%define OPCODES MANGLE_FUNC(su_op_advance,0),
%define NUMPARAMS 0,
%define SU_ADVANCE_ID 0
%define MONO 0
%define STEREO 1
%include "opcodes/flowcontrol.inc"
%include "opcodes/arithmetic.inc"
%include "opcodes/effects.inc"
%include "opcodes/sources.inc"
%include "opcodes/sinks.inc"
; //----------------------------------------------------------------------------------------
; // synth defines
; //----------------------------------------------------------------------------------------
%define MAX_DELAY 65536
%assign MAX_UNITS_SHIFT 6
%assign MAX_UNITS ((1 << MAX_UNITS_SHIFT)-1) ; this is carefully chosen to align su_unit to 2^n boundary
%define ABSOLUTE_MAX_VOICES 32
%ifndef SAMPLE_RATE
%define SAMPLE_RATE 44100
%endif
%ifndef HLD
%define HLD 1
%endif
%define TOTAL_ROWS (MAX_PATTERNS*PATTERN_SIZE)
%define SAMPLES_PER_ROW (SAMPLE_RATE*4*60/(BPM*16))
%define DEF_LFO_NORMALIZE 0.000038
%define MAX_SAMPLES (SAMPLES_PER_ROW*TOTAL_ROWS)
%macro SU_BEGIN_PATCH 0
SECT_DATA(params)
EXPORT MANGLE_DATA(su_params)
%endmacro
%macro SU_END_PATCH 0 ; After the patch is finished, saves the accumulated commands
SECT_DATA(sucomnds)
EXPORT MANGLE_DATA(su_commands)
db CMDS
%endmacro
%define CONCATENATE(x,y) x %+ y
%define POLYPHONY_BITMASK 0
%assign MAX_VOICES 0
%assign MAX_TRACKS 0
%macro SU_BEGIN_INSTRUMENT 1
; increment MAX_VOICES equal to %1 and construct the POLYPHONY_BITMASK so that
; for every except the last, the bit is on
%rep %1-1
%assign POLYPHONY_BITMASK POLYPHONY_BITMASK + (1 << MAX_VOICES)
%assign MAX_VOICES MAX_VOICES + 1
%endrep
%assign MAX_VOICES MAX_VOICES + 1 ; the last voice increment, without adding bit mask
%if MAX_VOICES > 32
%error Error: cannot have more than 32 voices!
%endif
%if %1 > 1
%define INCLUDE_POLYPHONY
%endif
%endmacro
%define VOICES(val) val
%define TRACKS(val) val
%macro SU_END_INSTRUMENT 0
%xdefine CMDS CMDS SU_ADVANCE_ID,
%endmacro
%assign PATTERN_LENGTH -1
%macro SU_BEGIN_PATTERNS 0
SECT_DATA(supatrns)
EXPORT MANGLE_DATA(su_patterns)
%define USE_PLAYER
%endmacro
%define SU_END_PATTERNS
%assign PATTERN_SIZE -1
%macro PATTERN 1-*
%rep %0
db %1
%rotate 1
%endrep
%if %0 >= 256
%error 'Pattern size should be < 256'
%endif
%if PATTERN_SIZE == -1
%assign PATTERN_SIZE %0
%else
%if %0 != PATTERN_SIZE
%error 'All patterns should have the same length!'
%endif
%endif
%endmacro
%macro SU_BEGIN_TRACKS 0
SECT_DATA(sutracks)
EXPORT MANGLE_DATA(su_tracks)
%define USE_PLAYER
%endmacro
%assign MAX_PATTERNS -1
%assign MAX_TRACKS 0
%assign VOICETRACK_BITMASK 0
%assign VOICETRACK_COUNT 0
%macro TRACK 2-* ; first param number of voices, rest are the patterns
%rep %0-1
db %2
%rotate 1
%endrep
%rotate 1
%if MAX_PATTERNS == -1
%assign MAX_PATTERNS %0-1
%else
%if %0-1 != MAX_PATTERNS
%error 'All tracks should have same number of patterns!'
%endif
%endif
%assign MAX_TRACKS MAX_TRACKS + 1
%if MAX_TRACKS > 32
%error Error: cannot have more than 32 tracks!
%endif
; increment MAX_TRACKS equal to %2 and construct the CHORD_BITMASK so that
; for every track except the last track of an instrument, the bit is on
%rep %1-1
%assign VOICETRACK_BITMASK VOICETRACK_BITMASK + (1 << VOICETRACK_COUNT)
%assign VOICETRACK_COUNT VOICETRACK_COUNT + 1
%endrep
%assign VOICETRACK_COUNT VOICETRACK_COUNT + 1 ; the last voice increment, without adding bit mask
%if VOICETRACK_COUNT > 32
%error Error: cannot have more than a total of 32 voices assigned to tracks.
%endif
%if %1 > 1
%define INCLUDE_MULTIVOICE_TRACKS
%endif
%endmacro
%define SU_END_TRACKS
; //----------------------------------------------------------------------------------------
; // Unit struct
; //----------------------------------------------------------------------------------------
struc su_unit
.state resd 8
.ports resd 8
.size
endstruc
; //----------------------------------------------------------------------------------------
; // Voice struct
; //----------------------------------------------------------------------------------------
struc su_voice
.note resd 1
.release resd 1
.reserved resb (su_unit.size - 8) ; this is done to so the whole voice is 2^n long, see polyphonic player
.workspace resb MAX_UNITS * su_unit.size
.size
endstruc
; //----------------------------------------------------------------------------------------
; // Synth struct
; //----------------------------------------------------------------------------------------
struc su_synth
.left resd 1
.right resd 1
.voices resb ABSOLUTE_MAX_VOICES * su_voice.size
.size
endstruc
%endif ; SOINTU_INC