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134 lines
2 KiB
C
134 lines
2 KiB
C
#ifndef _ITDEFS_H_
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#define _ITDEFS_H_
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#pragma pack(1)
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typedef struct tagITFILEHEADER
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{
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DWORD id; /* 0x4D504D49 */
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CHAR songname[26];
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WORD reserved1; /* 0x1004 */
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WORD ordnum;
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WORD insnum;
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WORD smpnum;
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WORD patnum;
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WORD cwtv;
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WORD cmwt;
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WORD flags;
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WORD special;
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BYTE globalvol;
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BYTE mv;
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BYTE speed;
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BYTE tempo;
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BYTE sep;
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BYTE zero;
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WORD msglength;
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DWORD msgoffset;
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DWORD reserved2;
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BYTE chnpan[64];
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BYTE chnvol[64];
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} ITFILEHEADER;
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typedef struct tagITENVELOPE
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{
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BYTE flags;
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BYTE num;
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BYTE lpb;
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BYTE lpe;
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BYTE slb;
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BYTE sle;
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BYTE data[25*3];
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BYTE reserved;
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} ITENVELOPE;
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/* Old Impulse Instrument Format (cmwt < 0x200) */
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typedef struct tagITOLDINSTRUMENT
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{
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DWORD id; /* IMPI = 0x49504D49 */
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CHAR filename[12]; /* DOS file name */
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BYTE zero;
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BYTE flags;
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BYTE vls;
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BYTE vle;
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BYTE sls;
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BYTE sle;
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WORD reserved1;
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WORD fadeout;
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BYTE nna;
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BYTE dnc;
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WORD trkvers;
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BYTE nos;
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BYTE reserved2;
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CHAR name[26];
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WORD reserved3[3];
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BYTE keyboard[240];
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BYTE volenv[200];
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BYTE nodes[50];
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} ITOLDINSTRUMENT;
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/* Impulse Instrument Format */
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typedef struct tagITINSTRUMENT
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{
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DWORD id;
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CHAR filename[12];
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BYTE zero;
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BYTE nna;
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BYTE dct;
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BYTE dca;
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WORD fadeout;
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signed char pps;
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BYTE ppc;
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BYTE gbv;
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BYTE dfp;
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BYTE rv;
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BYTE rp;
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WORD trkvers;
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BYTE nos;
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BYTE reserved1;
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CHAR name[26];
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BYTE ifc;
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BYTE ifr;
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BYTE mch;
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BYTE mpr;
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WORD mbank;
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BYTE keyboard[240];
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ITENVELOPE volenv;
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ITENVELOPE panenv;
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ITENVELOPE pitchenv;
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BYTE dummy[4]; /* was 7, but IT v2.17 saves 554 bytes */
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} ITINSTRUMENT;
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/* IT Sample Format */
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typedef struct ITSAMPLESTRUCT
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{
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DWORD id; /* 0x53504D49 */
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CHAR filename[12];
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BYTE zero;
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BYTE gvl;
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BYTE flags;
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BYTE vol;
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CHAR name[26];
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BYTE cvt;
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BYTE dfp;
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DWORD length;
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DWORD loopbegin;
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DWORD loopend;
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DWORD C5Speed;
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DWORD susloopbegin;
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DWORD susloopend;
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DWORD samplepointer;
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BYTE vis;
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BYTE vid;
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BYTE vir;
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BYTE vit;
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} ITSAMPLESTRUCT;
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#pragma pack()
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extern BYTE autovibit2xm[8];
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extern BYTE autovibxm2it[8];
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#endif
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