kemuopl.h 1.6 KB

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  1. /*
  2. * Adplug - Replayer for many OPL2/OPL3 audio file formats.
  3. * Copyright (C) 1999 - 2005 Simon Peter, <dn.tlp@gmx.net>, et al.
  4. *
  5. * This library is free software; you can redistribute it and/or
  6. * modify it under the terms of the GNU Lesser General Public
  7. * License as published by the Free Software Foundation; either
  8. * version 2.1 of the License, or (at your option) any later version.
  9. *
  10. * This library is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13. * Lesser General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU Lesser General Public
  16. * License along with this library; if not, write to the Free Software
  17. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  18. *
  19. * kemuopl.h - Emulated OPL using Ken Silverman's emulator, by Simon Peter
  20. * <dn.tlp@gmx.net>
  21. */
  22. #ifndef H_ADPLUG_KEMUOPL
  23. #define H_ADPLUG_KEMUOPL
  24. #include "opl.h"
  25. extern "C" {
  26. #include "adlibemu.h"
  27. }
  28. class CKemuopl: public Copl
  29. {
  30. public:
  31. CKemuopl(int rate, bool bit16, bool usestereo)
  32. : use16bit(bit16), stereo(usestereo)
  33. {
  34. adlibinit(rate, usestereo ? 2 : 1, bit16 ? 2 : 1);
  35. currType = TYPE_OPL2;
  36. };
  37. void update(short *buf, int samples)
  38. {
  39. if(use16bit) samples *= 2;
  40. if(stereo) samples *= 2;
  41. adlibgetsample(buf, samples);
  42. }
  43. // template methods
  44. void write(int reg, int val)
  45. {
  46. if(currChip == 0)
  47. adlib0(reg, val);
  48. };
  49. void init() {};
  50. private:
  51. bool use16bit,stereo;
  52. };
  53. #endif