ref: 396caa4d31859045ccb5ef943fd430ca4026cce8
dir: /include/internal/it.h/
/* _______ ____ __ ___ ___
* \ _ \ \ / \ / \ \ / / ' ' '
* | | \ \ | | || | \/ | . .
* | | | | | | || ||\ /| |
* | | | | | | || || \/ | | ' ' '
* | | | | | | || || | | . .
* | |_/ / \ \__// || | |
* /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
* / \
* / . \
* internal/it.h - Internal stuff for IT playback / / \ \
* and MOD/XM/S3M conversion. | < / \_
* | \/ /\ /
* This header file provides access to the \_ / > /
* internal structure of DUMB, and is liable | \ / /
* to change, mutate or cease to exist at any | ' /
* moment. Include it at your own peril. \__/
*
* ...
*
* Seriously. You don't need access to anything in this file. All right, you
* probably do actually. But if you use it, you will be relying on a specific
* version of DUMB, so please check DUMB_VERSION defined in dumb.h. Please
* contact the authors so that we can provide a public API for what you need.
*/
#ifndef INTERNAL_IT_H
#define INTERNAL_IT_H
#define BIT_ARRAY_BULLSHIT
#include <stddef.h>
#include "barray.h"
#include "tarray.h"
/** TO DO: THINK ABOUT THE FOLLOWING:
sigdata->flags & IT_COMPATIBLE_GXX
Bit 5: On = Link Effect G's memory with Effect E/F. Also
Gxx with an instrument present will cause the
envelopes to be retriggered. If you change a
sample on a row with Gxx, it'll adjust the
frequency of the current note according to:
NewFrequency = OldFrequency * NewC5 / OldC5;
*/
/* These #defines are TEMPORARY. They are used to write alternative code to
* handle ambiguities in the format specification. The correct code in each
* case will be determined most likely by experimentation.
*/
//#define STEREO_SAMPLES_COUNT_AS_TWO
#define INVALID_ORDERS_END_SONG
#define SUSTAIN_LOOP_OVERRIDES_NORMAL_LOOP
#define VOLUME_OUT_OF_RANGE_SETS_MAXIMUM
#define SIGTYPE_IT DUMB_ID('I', 'T', ' ', ' ')
#define IT_SIGNATURE DUMB_ID('I', 'M', 'P', 'M')
#define IT_INSTRUMENT_SIGNATURE DUMB_ID('I', 'M', 'P', 'I')
#define IT_SAMPLE_SIGNATURE DUMB_ID('I', 'M', 'P', 'S')
// olivier sux
#define IT_MPTX_SIGNATURE DUMB_ID('X', 'T', 'P', 'M')
#define IT_INSM_SIGNATURE DUMB_ID('M', 'S', 'N', 'I')
/* This is divided by the tempo times 256 to get the interval between ticks.
*/
#define TICK_TIME_DIVIDEND (65536 * 5 * 128)
/* I'm not going to try to explain this, because I didn't derive it very
* formally ;)
*/
/* #define AMIGA_DIVISOR ((float)(4.0 * 14317056.0)) */
/* I believe the following one to be more accurate. */
//#define AMIGA_DIVISOR ((float)(8.0 * 7159090.5))
#define AMIGA_CLOCK 3546895
#define AMIGA_DIVISOR ((float)(16.0 * AMIGA_CLOCK))
typedef struct IT_MIDI IT_MIDI;
typedef struct IT_FILTER_STATE IT_FILTER_STATE;
typedef struct IT_ENVELOPE IT_ENVELOPE;
typedef struct IT_INSTRUMENT IT_INSTRUMENT;
typedef struct IT_SAMPLE IT_SAMPLE;
typedef struct IT_ENTRY IT_ENTRY;
typedef struct IT_PATTERN IT_PATTERN;
typedef struct IT_PLAYING_ENVELOPE IT_PLAYING_ENVELOPE;
typedef struct IT_PLAYING IT_PLAYING;
typedef struct IT_CHANNEL IT_CHANNEL;
typedef struct IT_CHECKPOINT IT_CHECKPOINT;
typedef struct IT_CALLBACKS IT_CALLBACKS;
struct IT_MIDI {
unsigned char SFmacro[16][16]; // read these from 0x120
unsigned char SFmacrolen[16];
unsigned short SFmacroz[16]; /* Bitfield; bit 0 set = z in first position */
unsigned char Zmacro[128][16]; // read these from 0x320
unsigned char Zmacrolen[128];
};
struct IT_FILTER_STATE {
sample_t currsample, prevsample;
};
#define IT_ENVELOPE_ON 1
#define IT_ENVELOPE_LOOP_ON 2
#define IT_ENVELOPE_SUSTAIN_LOOP 4
#define IT_ENVELOPE_CARRY 8
#define IT_ENVELOPE_PITCH_IS_FILTER 128
struct IT_ENVELOPE {
unsigned char flags;
unsigned char n_nodes;
unsigned char loop_start;
unsigned char loop_end;
unsigned char sus_loop_start;
unsigned char sus_loop_end;
signed char node_y[25];
unsigned short node_t[25];
};
#define NNA_NOTE_CUT 0
#define NNA_NOTE_CONTINUE 1
#define NNA_NOTE_OFF 2
#define NNA_NOTE_FADE 3
#define DCT_OFF 0
#define DCT_NOTE 1
#define DCT_SAMPLE 2
#define DCT_INSTRUMENT 3
#define DCA_NOTE_CUT 0
#define DCA_NOTE_OFF 1
#define DCA_NOTE_FADE 2
struct IT_INSTRUMENT {
unsigned char name[27];
unsigned char filename[14];
int fadeout;
IT_ENVELOPE volume_envelope;
IT_ENVELOPE pan_envelope;
IT_ENVELOPE pitch_envelope;
unsigned char new_note_action;
unsigned char dup_check_type;
unsigned char dup_check_action;
signed char pp_separation;
unsigned char pp_centre;
unsigned char global_volume;
unsigned char default_pan;
unsigned char random_volume;
unsigned char random_pan;
unsigned char filter_cutoff;
unsigned char filter_resonance;
unsigned char map_note[120];
unsigned short map_sample[120];
// int output;
};
#define IT_SAMPLE_EXISTS 1
#define IT_SAMPLE_16BIT 2
#define IT_SAMPLE_STEREO 4
#define IT_SAMPLE_LOOP 16
#define IT_SAMPLE_SUS_LOOP 32
#define IT_SAMPLE_PINGPONG_LOOP 64
#define IT_SAMPLE_PINGPONG_SUS_LOOP 128
#define IT_VIBRATO_SINE 0
#define IT_VIBRATO_SAWTOOTH 1
#define IT_VIBRATO_SQUARE 2
#define IT_VIBRATO_RANDOM 3
#define IT_VIBRATO_XM_SQUARE 4
#define IT_VIBRATO_RAMP_DOWN 5
#define IT_VIBRATO_RAMP_UP 6
struct IT_SAMPLE {
unsigned char name[35];
unsigned char filename[15];
unsigned char flags;
unsigned char global_volume;
unsigned char default_volume;
unsigned char default_pan;
/* default_pan:
* 0-255 for XM
* ignored for MOD
* otherwise, 0-64, and add 128 to enable
*/
long length;
long loop_start;
long loop_end;
long C5_speed;
long sus_loop_start;
long sus_loop_end;
unsigned char vibrato_speed;
unsigned char vibrato_depth;
unsigned char vibrato_rate;
unsigned char vibrato_waveform;
signed short finetune;
void *data;
int max_resampling_quality;
};
#define IT_ENTRY_NOTE 1
#define IT_ENTRY_INSTRUMENT 2
#define IT_ENTRY_VOLPAN 4
#define IT_ENTRY_EFFECT 8
#define IT_SET_END_ROW(entry) ((entry)->channel = 255)
#define IT_IS_END_ROW(entry) ((entry)->channel >= DUMB_IT_N_CHANNELS)
#define IT_NOTE_OFF 255
#define IT_NOTE_CUT 254
#define IT_ENVELOPE_SHIFT 8
#define IT_SURROUND 100
#define IT_IS_SURROUND(pan) ((pan) > 64)
#define IT_IS_SURROUND_SHIFTED(pan) ((pan) > 64 << IT_ENVELOPE_SHIFT)
#define IT_SET_SPEED 1
#define IT_JUMP_TO_ORDER 2
#define IT_BREAK_TO_ROW 3
#define IT_VOLUME_SLIDE 4
#define IT_PORTAMENTO_DOWN 5
#define IT_PORTAMENTO_UP 6
#define IT_TONE_PORTAMENTO 7
#define IT_VIBRATO 8
#define IT_TREMOR 9
#define IT_ARPEGGIO 10
#define IT_VOLSLIDE_VIBRATO 11
#define IT_VOLSLIDE_TONEPORTA 12
#define IT_SET_CHANNEL_VOLUME 13
#define IT_CHANNEL_VOLUME_SLIDE 14
#define IT_SET_SAMPLE_OFFSET 15
#define IT_PANNING_SLIDE 16
#define IT_RETRIGGER_NOTE 17
#define IT_TREMOLO 18
#define IT_S 19
#define IT_SET_SONG_TEMPO 20
#define IT_FINE_VIBRATO 21
#define IT_SET_GLOBAL_VOLUME 22
#define IT_GLOBAL_VOLUME_SLIDE 23
#define IT_SET_PANNING 24
#define IT_PANBRELLO 25
#define IT_MIDI_MACRO 26 // see MIDI.TXT
/* Some effects needed for XM compatibility */
#define IT_XM_PORTAMENTO_DOWN 27
#define IT_XM_PORTAMENTO_UP 28
#define IT_XM_FINE_VOLSLIDE_DOWN 29
#define IT_XM_FINE_VOLSLIDE_UP 30
#define IT_XM_RETRIGGER_NOTE 31
#define IT_XM_KEY_OFF 32
#define IT_XM_SET_ENVELOPE_POSITION 33
/* More effects needed for PTM compatibility */
#define IT_PTM_NOTE_SLIDE_DOWN 34
#define IT_PTM_NOTE_SLIDE_UP 35
#define IT_PTM_NOTE_SLIDE_DOWN_RETRIG 36
#define IT_PTM_NOTE_SLIDE_UP_RETRIG 37
/* More effects needed for OKT compatibility */
#define IT_OKT_NOTE_SLIDE_DOWN 38
#define IT_OKT_NOTE_SLIDE_DOWN_ROW 39
#define IT_OKT_NOTE_SLIDE_UP 40
#define IT_OKT_NOTE_SLIDE_UP_ROW 41
#define IT_OKT_ARPEGGIO_3 42
#define IT_OKT_ARPEGGIO_4 43
#define IT_OKT_ARPEGGIO_5 44
#define IT_OKT_VOLUME_SLIDE_DOWN 45
#define IT_OKT_VOLUME_SLIDE_UP 46
#define IT_N_EFFECTS 47
/* These represent the top nibble of the command value. */
#define IT_S_SET_FILTER 0 /* Greyed out in IT... */
#define IT_S_SET_GLISSANDO_CONTROL 1 /* Greyed out in IT... */
#define IT_S_FINETUNE 2 /* Greyed out in IT... */
#define IT_S_SET_VIBRATO_WAVEFORM 3
#define IT_S_SET_TREMOLO_WAVEFORM 4
#define IT_S_SET_PANBRELLO_WAVEFORM 5
#define IT_S_FINE_PATTERN_DELAY 6
#define IT_S7 7
#define IT_S_SET_PAN 8
#define IT_S_SET_SURROUND_SOUND 9
#define IT_S_SET_HIGH_OFFSET 10
#define IT_S_PATTERN_LOOP 11
#define IT_S_DELAYED_NOTE_CUT 12
#define IT_S_NOTE_DELAY 13
#define IT_S_PATTERN_DELAY 14
#define IT_S_SET_MIDI_MACRO 15
/*
S0x Set filter
S1x Set glissando control
S2x Set finetune
S3x Set vibrato waveform to type x
S4x Set tremelo waveform to type x
S5x Set panbrello waveform to type x
Waveforms for commands S3x, S4x and S5x:
0: Sine wave
1: Ramp down
2: Square wave
3: Random wave
S6x Pattern delay for x ticks
S70 Past note cut
S71 Past note off
S72 Past note fade
S73 Set NNA to note cut
S74 Set NNA to continue
S75 Set NNA to note off
S76 Set NNA to note fade
S77 Turn off volume envelope
S78 Turn on volume envelope
S79 Turn off panning envelope
S7A Turn on panning envelope
S7B Turn off pitch envelope
S7C Turn on pitch envelope
S8x Set panning position
S91 Set surround sound
SAy Set high value of sample offset yxx00h
SB0 Set loopback point
SBx Loop x times to loopback point
SCx Note cut after x ticks
SDx Note delay for x ticks
SEx Pattern delay for x rows
SFx Set parameterised MIDI Macro
*/
struct IT_ENTRY {
unsigned char channel; /* End of row if channel >= DUMB_IT_N_CHANNELS */
unsigned char mask;
unsigned char note;
unsigned char instrument;
unsigned char volpan;
unsigned char effect;
unsigned char effectvalue;
};
struct IT_PATTERN {
int n_rows;
int n_entries;
IT_ENTRY *entry;
};
#define IT_STEREO 1
#define IT_USE_INSTRUMENTS 4
#define IT_LINEAR_SLIDES 8 /* If not set, use Amiga slides */
#define IT_OLD_EFFECTS 16
#define IT_COMPATIBLE_GXX 32
/* Make sure IT_WAS_AN_XM and IT_WAS_A_MOD aren't set accidentally */
#define IT_REAL_FLAGS 63
#define IT_WAS_AN_XM 64 /* Set for both XMs and MODs */
#define IT_WAS_A_MOD 128
#define IT_WAS_AN_S3M 256
#define IT_WAS_A_PTM 512
#define IT_WAS_A_669 1024
#define IT_WAS_AN_OKT 2048
#define IT_WAS_AN_STM 4096
#define IT_WAS_PROCESSED \
8192 /* Will be set the first time a sigdata passes through a sigrenderer \
*/
#define IT_ORDER_END 255
#define IT_ORDER_SKIP 254
struct DUMB_IT_SIGDATA {
unsigned char name[65];
unsigned char *song_message;
int n_orders;
int n_instruments;
int n_samples;
int n_patterns;
int n_pchannels;
int flags;
int global_volume;
int mixing_volume;
int speed;
int tempo;
int pan_separation;
unsigned char channel_pan[DUMB_IT_N_CHANNELS];
unsigned char channel_volume[DUMB_IT_N_CHANNELS];
unsigned char *order;
unsigned char restart_position; /* for XM compatiblity */
IT_INSTRUMENT *instrument;
IT_SAMPLE *sample;
IT_PATTERN *pattern;
IT_MIDI *midi;
IT_CHECKPOINT *checkpoint;
};
struct IT_PLAYING_ENVELOPE {
int next_node;
int tick;
int value;
};
#define IT_PLAYING_BACKGROUND 1
#define IT_PLAYING_SUSTAINOFF 2
#define IT_PLAYING_FADING 4
#define IT_PLAYING_DEAD 8
#define IT_PLAYING_REVERSE 16
struct IT_PLAYING {
int flags;
int resampling_quality;
IT_CHANNEL *channel;
IT_SAMPLE *sample;
IT_INSTRUMENT *instrument;
IT_INSTRUMENT *env_instrument;
unsigned short sampnum;
unsigned char instnum;
unsigned char declick_stage;
float float_volume[2];
float ramp_volume[2];
float ramp_delta[2];
unsigned char channel_volume;
unsigned char volume;
unsigned short pan;
signed char volume_offset, panning_offset;
unsigned char note;
unsigned char enabled_envelopes;
unsigned char filter_cutoff;
unsigned char filter_resonance;
unsigned short
true_filter_cutoff; /* These incorporate the filter envelope, and will
not */
unsigned char true_filter_resonance; /* be changed if they would be set to
127<<8 and 0. */
unsigned char vibrato_speed;
unsigned char vibrato_depth;
unsigned char vibrato_n; /* May be specified twice: volpan & effect. */
unsigned char vibrato_time;
unsigned char vibrato_waveform;
unsigned char tremolo_speed;
unsigned char tremolo_depth;
unsigned char tremolo_time;
unsigned char tremolo_waveform;
unsigned char panbrello_speed;
unsigned char panbrello_depth;
unsigned char panbrello_time;
unsigned char panbrello_waveform;
signed char panbrello_random;
unsigned char sample_vibrato_time;
unsigned char sample_vibrato_waveform;
int sample_vibrato_depth; /* Starts at rate?0:depth, increases by rate */
int slide;
float delta;
int finetune;
IT_PLAYING_ENVELOPE volume_envelope;
IT_PLAYING_ENVELOPE pan_envelope;
IT_PLAYING_ENVELOPE pitch_envelope;
int fadeoutcount;
IT_FILTER_STATE filter_state[2]; /* Left and right */
DUMB_RESAMPLER resampler;
/* time_lost is used to emulate Impulse Tracker's sample looping
* characteristics. When time_lost is added to pos, the result represents
* the position in the theoretical version of the sample where all loops
* have been expanded. If this is stored, the resampling helpers will
* safely convert it for use with new loop boundaries. The situation is
* slightly more complicated if dir == -1 when the change takes place; we
* must reflect pos off the loop end point and set dir to 1 before
* proceeding.
*/
long time_lost;
// int output;
};
#define IT_CHANNEL_MUTED 1
#define IT_ENV_VOLUME 1
#define IT_ENV_PANNING 2
#define IT_ENV_PITCH 4
struct IT_CHANNEL {
int flags;
unsigned char volume;
signed char volslide;
signed char xm_volslide;
signed char panslide;
/* xm_volslide is used for volume slides done in the volume column in an
* XM file, since it seems the volume column slide is applied first,
* followed by clamping, followed by the effects column slide. IT does
* not exhibit this behaviour, so xm_volslide is maintained at zero.
*/
unsigned char pan;
unsigned short truepan;
unsigned char channelvolume;
signed char channelvolslide;
unsigned char instrument;
unsigned char note;
unsigned char SFmacro;
unsigned char filter_cutoff;
unsigned char filter_resonance;
unsigned char key_off_count;
unsigned char note_cut_count;
unsigned char note_delay_count;
IT_ENTRY *note_delay_entry;
unsigned char new_note_action;
unsigned char const *arpeggio_table;
signed char arpeggio_offsets[3];
int arpeggio_shift;
unsigned char retrig;
unsigned char xm_retrig;
int retrig_tick;
unsigned char tremor;
unsigned char
tremor_time; /* Bit 6 set if note on; bit 7 set if tremor active. */
unsigned char vibrato_waveform;
unsigned char tremolo_waveform;
unsigned char panbrello_waveform;
int portamento;
int toneporta;
int toneslide;
unsigned char toneslide_tick, last_toneslide_tick, ptm_toneslide,
ptm_last_toneslide, okt_toneslide;
unsigned char destnote;
unsigned char toneslide_retrig;
unsigned char glissando;
/** WARNING - for neatness, should one or both of these be in the IT_PLAYING
* struct? */
unsigned short sample;
unsigned char truenote;
unsigned char midi_state;
signed char lastvolslide;
unsigned char lastDKL;
unsigned char lastEF; /* Doubles as last portamento up for XM files */
unsigned char lastG;
unsigned char lastHspeed;
unsigned char lastHdepth;
unsigned char lastRspeed;
unsigned char lastRdepth;
unsigned char lastYspeed;
unsigned char lastYdepth;
unsigned char lastI;
unsigned char lastJ; /* Doubles as last portamento down for XM files */
unsigned char lastN;
unsigned char lastO;
unsigned char high_offset;
unsigned char lastP;
unsigned char lastQ;
unsigned char lastS;
unsigned char pat_loop_row;
unsigned char pat_loop_count;
unsigned char pat_loop_end_row; /* Used to catch infinite pattern loops */
unsigned char lastW;
unsigned char xm_lastE1;
unsigned char xm_lastE2;
unsigned char xm_lastEA;
unsigned char xm_lastEB;
unsigned char xm_lastX1;
unsigned char xm_lastX2;
unsigned char inv_loop_delay;
unsigned char inv_loop_speed;
int inv_loop_offset;
IT_PLAYING *playing;
#ifdef BIT_ARRAY_BULLSHIT
void *played_patjump;
int played_patjump_order;
#endif
// int output;
};
struct DUMB_IT_SIGRENDERER {
DUMB_IT_SIGDATA *sigdata;
int n_channels;
int resampling_quality;
unsigned char globalvolume;
signed char globalvolslide;
int tempo;
signed char temposlide;
IT_CHANNEL channel[DUMB_IT_N_CHANNELS];
IT_PLAYING *playing[DUMB_IT_N_NNA_CHANNELS];
int tick;
int speed;
int rowcount;
int order; /* Set to -1 if the song is terminated by a callback. */
int row;
int processorder;
int processrow;
int breakrow;
int restart_position;
int n_rows;
IT_ENTRY *entry_start;
IT_ENTRY *entry;
IT_ENTRY *entry_end;
long time_left; /* Time before the next tick is processed */
int sub_time_left;
DUMB_CLICK_REMOVER **click_remover;
IT_CALLBACKS *callbacks;
#ifdef BIT_ARRAY_BULLSHIT
/* bit array, which rows are played, only checked by pattern break or loop
* commands */
void *played;
/*
Loop indicator for internal processes, may also be useful for external
processes 0 - Not looped 1 - Looped -1 - Continued past loop
*/
int looped;
/*
Kept until looped
*/
LONG_LONG time_played;
void *row_timekeeper;
#endif
long gvz_time;
int gvz_sub_time;
int ramp_style;
// int max_output;
};
struct IT_CHECKPOINT {
IT_CHECKPOINT *next;
long time;
DUMB_IT_SIGRENDERER *sigrenderer;
};
struct IT_CALLBACKS {
int (*loop)(void *data);
void *loop_data;
/* Return 1 to prevent looping; the music will terminate abruptly. If you
* want to make the music stop but allow samples to fade (beware, as they
* might not fade at all!), use dumb_it_sr_set_speed() and set the speed
* to 0. Note that xm_speed_zero() will not be called if you set the
* speed manually, and also that this will work for IT and S3M files even
* though the music can't stop in this way by itself.
*/
int (*xm_speed_zero)(void *data);
void *xm_speed_zero_data;
/* Return 1 to terminate the mod, without letting samples fade. */
int (*midi)(void *data, int channel, unsigned char byte);
void *midi_data;
/* Return 1 to prevent DUMB from subsequently interpreting the MIDI bytes
* itself. In other words, return 1 if the Zxx macros in an IT file are
* controlling filters and shouldn't be.
*/
int (*global_volume_zero)(void *data);
void *global_volume_zero_data;
/* Return 1 to terminate the module when global volume is set to zero. */
};
void _dumb_it_end_sigrenderer(sigrenderer_t *sigrenderer);
void _dumb_it_unload_sigdata(sigdata_t *vsigdata);
extern DUH_SIGTYPE_DESC _dumb_sigtype_it;
#define XM_APPREGIO 0
#define XM_PORTAMENTO_UP 1
#define XM_PORTAMENTO_DOWN 2
#define XM_TONE_PORTAMENTO 3
#define XM_VIBRATO 4
#define XM_VOLSLIDE_TONEPORTA 5
#define XM_VOLSLIDE_VIBRATO 6
#define XM_TREMOLO 7
#define XM_SET_PANNING 8
#define XM_SAMPLE_OFFSET 9
#define XM_VOLUME_SLIDE 10 /* A */
#define XM_POSITION_JUMP 11 /* B */
#define XM_SET_CHANNEL_VOLUME 12 /* C */
#define XM_PATTERN_BREAK 13 /* D */
#define XM_E 14 /* E */
#define XM_SET_TEMPO_BPM 15 /* F */
#define XM_SET_GLOBAL_VOLUME 16 /* G */
#define XM_GLOBAL_VOLUME_SLIDE 17 /* H */
#define XM_KEY_OFF 20 /* K (undocumented) */
#define XM_SET_ENVELOPE_POSITION 21 /* L */
#define XM_PANNING_SLIDE 25 /* P */
#define XM_MULTI_RETRIG 27 /* R */
#define XM_TREMOR 29 /* T */
#define XM_X 33 /* X */
#define XM_N_EFFECTS (10 + 26)
#define XM_E_SET_FILTER 0x0
#define XM_E_FINE_PORTA_UP 0x1
#define XM_E_FINE_PORTA_DOWN 0x2
#define XM_E_SET_GLISSANDO_CONTROL 0x3
#define XM_E_SET_VIBRATO_CONTROL 0x4
#define XM_E_SET_FINETUNE 0x5
#define XM_E_SET_LOOP 0x6
#define XM_E_SET_TREMOLO_CONTROL 0x7
#define XM_E_SET_PANNING 0x8
#define XM_E_RETRIG_NOTE 0x9
#define XM_E_FINE_VOLSLIDE_UP 0xA
#define XM_E_FINE_VOLSLIDE_DOWN 0xB
#define XM_E_NOTE_CUT 0xC
#define XM_E_NOTE_DELAY 0xD
#define XM_E_PATTERN_DELAY 0xE
#define XM_E_SET_MIDI_MACRO 0xF
#define XM_X_EXTRAFINE_PORTA_UP 1
#define XM_X_EXTRAFINE_PORTA_DOWN 2
/* To make my life a bit simpler during conversion, effect E:xy is converted
* to effect number EBASE+x:y. The same applies to effect X, and IT's S. That
* way, these effects can be manipulated like regular effects.
*/
#define EBASE (XM_N_EFFECTS)
#define XBASE (EBASE + 16)
#define SBASE (IT_N_EFFECTS)
#define EFFECT_VALUE(x, y) (((x) << 4) | (y))
#define HIGH(v) ((v) >> 4)
#define LOW(v) ((v)&0x0F)
#define SET_HIGH(v, x) v = (((x) << 4) | ((v)&0x0F))
#define SET_LOW(v, y) v = (((v)&0xF0) | (y))
#define BCD_TO_NORMAL(v) (HIGH(v) * 10 + LOW(v))
#if 0
unsigned char **_dumb_malloc2(int w, int h);
void _dumb_free2(unsigned char **line);
#endif
void _dumb_it_xm_convert_effect(int effect, int value, IT_ENTRY *entry,
int mod);
int _dumb_it_fix_invalid_orders(DUMB_IT_SIGDATA *sigdata);
#define PTM_APPREGIO 0
#define PTM_PORTAMENTO_UP 1
#define PTM_PORTAMENTO_DOWN 2
#define PTM_TONE_PORTAMENTO 3
#define PTM_VIBRATO 4
#define PTM_VOLSLIDE_TONEPORTA 5
#define PTM_VOLSLIDE_VIBRATO 6
#define PTM_TREMOLO 7
#define PTM_SAMPLE_OFFSET 9
#define PTM_VOLUME_SLIDE 10 /* A */
#define PTM_POSITION_JUMP 11 /* B */
#define PTM_SET_CHANNEL_VOLUME 12 /* C */
#define PTM_PATTERN_BREAK 13 /* D */
#define PTM_E 14 /* E */
#define PTM_SET_TEMPO_BPM 15 /* F */
#define PTM_SET_GLOBAL_VOLUME 16 /* G */
#define PTM_RETRIGGER 17 /* H */
#define PTM_FINE_VIBRATO 18 /* I */
#define PTM_NOTE_SLIDE_UP 19 /* J */
#define PTM_NOTE_SLIDE_DOWN 20 /* K */
#define PTM_NOTE_SLIDE_UP_RETRIG 21 /* L */
#define PTM_NOTE_SLIDE_DOWN_RETRIG 22 /* M */
#define PTM_N_EFFECTS 23
#define PTM_E_FINE_PORTA_DOWN 0x1
#define PTM_E_FINE_PORTA_UP 0x2
#define PTM_E_SET_VIBRATO_CONTROL 0x4
#define PTM_E_SET_FINETUNE 0x5
#define PTM_E_SET_LOOP 0x6
#define PTM_E_SET_TREMOLO_CONTROL 0x7
#define PTM_E_SET_PANNING 0x8
#define PTM_E_RETRIG_NOTE 0x9
#define PTM_E_FINE_VOLSLIDE_UP 0xA
#define PTM_E_FINE_VOLSLIDE_DOWN 0xB
#define PTM_E_NOTE_CUT 0xC
#define PTM_E_NOTE_DELAY 0xD
#define PTM_E_PATTERN_DELAY 0xE
/* To make my life a bit simpler during conversion, effect E:xy is converted
* to effect number EBASE+x:y. The same applies to effect X, and IT's S. That
* way, these effects can be manipulated like regular effects.
*/
#define PTM_EBASE (PTM_N_EFFECTS)
void _dumb_it_ptm_convert_effect(int effect, int value, IT_ENTRY *entry);
long _dumb_it_read_sample_data_adpcm4(IT_SAMPLE *sample, DUMBFILE *f);
void _dumb_it_interleave_stereo_sample(IT_SAMPLE *sample);
/* Calling either of these is optional */
void _dumb_init_cubic(void);
#ifdef _USE_SSE
void _dumb_init_sse(void);
#endif
#endif /* INTERNAL_IT_H */