stuff.h

   1 /* vi:set ts=4 sts=4 sw=4: */
   2 #ifndef STUFF_H
   3 #define STUFF_H
   4 #define TRACKLEN 32
   5
   6 typedef unsigned char u8;
   7 typedef unsigned short u16;
   8 typedef char s8;
   9 typedef short s16;
  10 typedef unsigned long u32;
  11
  12 u8 callbacktime;
  13
  14 enum {
  15         WF_TRI,
  16         WF_SAW,
  17         WF_PUL,
  18         WF_NOI
  19 };
  20
  21
  22 struct trackline {
  23         u8      note;
  24         u8      instr;
  25         u8      cmd[2];
  26         u8      param[2];
  27 };
  28
  29 struct track {
  30         struct trackline        line[TRACKLEN];
  31 };
  32
  33 struct instrline {
  34         u8                      cmd;
  35         u8                      param;
  36 };
  37
  38 struct instrument {
  39         int                     length;
  40         struct instrline        line[256];
  41 };
  42
  43 struct songline {
  44         u8                      track[4];
  45         u8                      transp[4];
  46 };
  47
  48 volatile struct oscillator {
  49         u16     freq;
  50         u16     phase;
  51         u16     duty;
  52         u8      waveform;
  53         u8      volume; // 0-255
  54 } osc[4];
  55
  56 void initchip();
  57 u8 interrupthandler();
  58
  59 void readsong(int pos, int ch, u8 *dest);
  60 void readtrack(int num, int pos, struct trackline *tl);
  61 void readinstr(int num, int pos, u8 *il);
  62
  63 void silence();
  64 void iedplonk(int, int);
  65
  66 void initgui();
  67 void guiloop();
  68
  69 //void initjoystick();
  70 //void sdlmainloop();
  71 void display();
  72
  73 void startplaysong(int);
  74 void startplaytrack(int);
  75 void loadfile(char *);
  76
  77 extern u8 trackpos;
  78 extern u8 playtrack;
  79 extern u8 playsong;
  80 extern u8 songpos;
  81 extern int songlen;
  82
  83 extern struct instrument instrument[256], iclip;
  84 extern struct track track[256], tclip;
  85 extern struct songline song[256];
  86
  87 #endif /* STUFF_H */