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1 #define pwplib_volume 64
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2 /* to pwplib.h -- pwplib.setup[SOUND_VOLUME] */
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3
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4 #include "pwpdemo.h"
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5
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6 #include "musa.h"
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7
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8 struct
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9 {
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10 int ord,patt,row;
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11 int tick,tempo;
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12 }player;
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13
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14 void newnote()
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15 {
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16 int c=0;
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17
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18 for(;c<3;c++)
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19 {
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20 int note=pwpmusic[player.patt][c][player.row];
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21
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22 if(note==253)
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23 {
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24 if(player.tempo==6)player.tempo=50;else
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25 player.tempo=4;
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26 }else
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27 if(note==254)
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28 pwplib_sound_nv(c,0,0);
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29 else
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30 if(note!=255)
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31 pwplib_sound_nv(c,(note-5)<<8,pwplib_volume);
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32 }
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33 player.row++;
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34 if(player.row==64)
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35 {
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36 player.row=0;
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37 player.ord++;
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38 player.patt=pwpmusic_order[player.ord];
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39
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40 if(player.patt>128)
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41 {
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42 if(player.patt==255)player.ord=0;else
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43 {
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44 if(player.patt==254)player.tempo=5;
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45 player.ord++;
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46 }
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47 player.patt=pwpmusic_order[player.ord];
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48 }
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49 }
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50 }
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51
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52 void playtick()
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53 {
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54 if(player.tick==0)
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55 newnote();
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56
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57 player.tick++;
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58 if(player.tick==player.tempo)
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59 player.tick=0;
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60 }
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61
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62 void initplayer()
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63 {
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64 player.row=player.ord;
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65 player.patt=pwpmusic_order[0];
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66 player.tick=0;
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67 player.tempo=6;
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68 pwplib_setplayer(playtick);
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69 }
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70
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71
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72 /* loopflush(); */
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