1 
2 /*
3 #    Sfront, a SAOL to C translator
4 #    This file: Main loop for runtime
5 #
6 # Copyright (c) 1999-2006, Regents of the University of California
7 # All rights reserved.
8 #
9 # Redistribution and use in source and binary forms, with or without
10 # modification, are permitted provided that the following conditions are
11 # met:
12 #
13 #  Redistributions of source code must retain the above copyright
14 #  notice, this list of conditions and the following disclaimer.
15 #
16 #  Redistributions in binary form must reproduce the above copyright
17 #  notice, this list of conditions and the following disclaimer in the
18 #  documentation and/or other materials provided with the distribution.
19 #
20 #  Neither the name of the University of California, Berkeley nor the
21 #  names of its contributors may be used to endorse or promote products
22 #  derived from this software without specific prior written permission.
23 #
24 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 #
36 #    Maintainer: John Lazzaro, lazzaro@cs.berkeley.edu
37 */
38 
39 
40 
main(int argc,char * argv[])41 int main(int argc, char *argv[])
42 
43 {
44   ENGINE_PTR_DECLARE_SEMICOLON
45   int busidx;
46 
47   ENGINE_PTR_ASSIGNED_TO  system_init(argc, argv, SAOL_SRATE);
48   if (ENGINE_PTR_IS_NULL) return -1;
49   effects_init(ENGINE_PTR);
50   main_initpass(ENGINE_PTR);
51   for (EV(kcycleidx)=EV(kbase); EV(kcycleidx)<=EV(endkcycle); EV(kcycleidx)++)
52     {
53       EV(pass) = IPASS;
54       EV(scorebeats) = EV(scoremult)*(EV(kcycleidx) - EV(kbase)) + EV(scorebase);
55       EV(absolutetime) = (EV(kcycleidx) - 1)*EV(KTIME);
56       main_ipass(ENGINE_PTR);
57       EV(pass) = KPASS;
58       main_control(ENGINE_PTR);
59       if (main_kpass(ENGINE_PTR))
60 	break;
61       EV(pass) = APASS;
62       for (EV(acycleidx)=0; EV(acycleidx)<EV(ACYCLE); EV(acycleidx)++)
63 	{
64 	  memset(&(TB(0)), 0, sizeof(TB(0))*ENDBUS);
65 	  main_apass(ENGINE_PTR);
66 	  for (busidx=BUS_output_bus; busidx<ENDBUS_output_bus;busidx++)
67 	    {
68 	      TB(busidx) = (TB(busidx) >  1.0F) ?  1.0F : TB(busidx);
69 	      TB(busidx) = (TB(busidx) < -1.0F) ? -1.0F : TB(busidx);
70 	      EV(asys_obuf)[EV(obusidx)++] = (short) (32767.0F * TB(busidx));
71 	    }
72 	  if (EV(obusidx) >= EV(asys_osize))
73 	    {
74 	      EV(obusidx) = 0;
75 	      if (asys_putbuf(&EV(asys_obuf), &EV(asys_osize)))
76 		{
77 		  fprintf(stderr,"  Sfront: Audio output device problem\n\n");
78 		  EV(kcycleidx) = EV(endkcycle);
79 		  break;
80 		}
81 	    }
82 	}
83       EV(acycleidx) = 0;
84       EV(cpuload) = ksync();
85     }
86   shut_down(ENGINE_PTR);
87   return 0;
88 }
89 
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