main.c

   1 #include <stdio.h>
   2 #include <err.h>
   3 #include <SDL/SDL.h>
   4
   5 #include "stuff.h"
   6
   7 const u16 instrptr[] = {
   8         0, 1
   9 };
  10
  11 const u8 instrdata[] = {
  12         0, 0,
  13         'v', 255, 'm', 0x11, '+', 0, 'w', WF_PUL, 'f', 0xef, 't', 8, 'f', 0xfc, 0, 0, // lead
  14         'v', 255, 'w', WF_NOI, 't', 2, '+', 0, 'w', WF_SAW, 'f', 0xef, 't', 8, 'f', 0, 't', 12, '~', 0x37, 'f', 0xfc, 0, 0, // lead+vibr
  15         'v', 255, 'w', WF_NOI, 't', 2, 'm', 0x11, '+', 12, 'w', WF_PUL, 'f', 0xfc, 't', 2, '+', 7, 't', 2, '+', 3, 't', 2, '+', 0, 't', 2, 'j', 5, 0, 0, // arp
  16         'v', 255, 'w', WF_NOI, 't', 2, 'd', 0x80, '+', 0, 'w', WF_PUL, 'l', 0x80, 't', 12, 'v', 0, 0, 0 // bass drum
  17 };
  18
  19 const struct track trackdata = {
  20         {
  21                 {12*3+0,        1,      {'i',   0},     {0xff,  0}},
  22                 {12*2+0,        1,      {0,     0},     {0,     0}},
  23                 {12*3+0,        1,      {0,     0},     {0,     0}},
  24                 {12*3+3,        1,      {0,     0},     {0,     0}},
  25                 {12*2+0,        1,      {0,     0},     {0,     0}},
  26                 {12*3+3,        1,      {0,     0},     {0,     0}},
  27                 {12*3+2,        1,      {0,     0},     {0,     0}},
  28                 {12*2+0,        1,      {0,     0},     {0,     0}},
  29                 {12*3+7,        1,      {0,     0},     {0,     0}},
  30                 {12*2+0,        1,      {0,     0},     {0,     0}},
  31                 {12*3+3,        1,      {0,     0},     {0,     0}},
  32                 {12*2+0,        1,      {0,     0},     {0,     0}},
  33                 {12*3+2,        1,      {0,     0},     {0,     0}},
  34                 {12*2+0,        1,      {0,     0},     {0,     0}},
  35                 {12*2+10,       1,      {0,     0},     {0,     0}},
  36                 {12*2+0,        1,      {0,     0},     {0,     0}},
  37                 {12*3+0,        1,      {0,     0},     {0,     0}},
  38                 {12*2+0,        1,      {0,     0},     {0,     0}},
  39                 {12*3+0,        1,      {0,     0},     {0,     0}},
  40                 {12*3+3,        1,      {0,     0},     {0,     0}},
  41                 {12*2+0,        1,      {0,     0},     {0,     0}},
  42                 {12*3+3,        1,      {0,     0},     {0,     0}},
  43                 {12*3+7,        1,      {0,     0},     {0,     0}},
  44                 {12*3+8,        1,      {0,     0},     {0,     0}},
  45                 {12*3+5,        1,      {0,     0},     {0,     0}},
  46                 {12*3+7,        1,      {0,     0},     {0,     0}},
  47                 {12*3+3,        1,      {0,     0},     {0,     0}},
  48                 {12*3+2,        1,      {0,     0},     {0,     0}},
  49                 {12*2+0,        1,      {0,     0},     {0,     0}},
  50                 {12*2+10,       1,      {0,     0},     {0,     0}},
  51                 {12*2+7,        1,      {0,     0},     {0,     0}},
  52                 {12*3+2,        1,      {0,     0},     {0,     0}},
  53         }
  54 };
  55
  56 void audiocb(void *userdata, Uint8 *buf, int len) {
  57         int i;
  58
  59         for(i = 0; i < len; i++) {
  60                 buf[i] = interrupthandler();
  61         }
  62 }
  63
  64 int main(int argc, char **argv) {
  65         SDL_AudioSpec requested, obtained;
  66         FILE *ztlog;
  67
  68         ztlog = fopen("ztlog","w");
  69
  70         if (SDL_Init( SDL_INIT_AUDIO | SDL_INIT_JOYSTICK ) < 0) {
  71                 fprintf(ztlog, "Couldn't initialize SDL: %s\n", SDL_GetError());
  72                 exit(1);
  73         }
  74
  75         initjoystick();
  76
  77         fprintf(ztlog, "%i joysticks were found.\n\n", SDL_NumJoysticks() );
  78         fprintf(ztlog, "The names of the joysticks are:\n");
  79
  80         int i;
  81         for( i=0; i < SDL_NumJoysticks(); i++ ) {
  82                 fprintf(ztlog,"    %s\n", SDL_JoystickName(i));
  83         }
  84
  85         atexit(SDL_Quit);
  86
  87         requested.freq = 16000;
  88         requested.format = AUDIO_U8;
  89         requested.samples = 256;
  90         requested.callback = audiocb;
  91         requested.channels = 1;
  92
  93         // comment this out to run on grace
  94         /*if(SDL_OpenAudio(&requested, &obtained) == -1) {
  95                 err(1, "SDL_OpenAudio");
  96         }*/
  97
  98     // Actually if we don't do error checking it just works on grace and
  99         //     // locally with sound :3
 100         SDL_OpenAudio(&requested, &obtained);
 101
 102         fprintf(stderr, "freq %d\n", obtained.freq);
 103         fprintf(stderr, "samples %d\n", obtained.samples);
 104
 105         initchip();
 106         initgui();
 107
 108         if(argc != 2) {
 109                 loadfile("untitled.song");
 110         } else {
 111                 loadfile(argv[1]);
 112         }
 113
 114         SDL_PauseAudio(0);
 115
 116         guiloop();
 117
 118         return 0;
 119 }