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annotate src/audio/mint/SDL_mintaudio_stfa.h @ 1111:12c49532be00

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Use MiNT thread to update DMA pointers instead of unusable MFP interrupt
author Patrice Mandin <patmandin@gmail.com>
date Wed, 10 Aug 2005 13:29:49 +0000
parents b8d311d90021
children d910939febfa
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1 /*
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2 SDL - Simple DirectMedia Layer
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b8d311d90021 Updated copyright information for 2004 (Happy New Year!)
Sam Lantinga <slouken@libsdl.org>
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /*
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24 STFA control structure
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25
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26 Patrice Mandin
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27 */
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28
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29 #ifndef _SDL_mintaudio_stfa_h
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30 #define _SDL_mintaudio_stfa_h
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31
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32 /*--- Defines ---*/
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33
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34 #define C_STFA 0x53544641L /* Sound treiber für atari (seb/The removers) */
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35
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36 #define STFA_PLAY_ENABLE (1<<0)
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37 #define STFA_PLAY_DISABLE (0<<0)
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38 #define STFA_PLAY_REPEAT (1<<1)
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39 #define STFA_PLAY_SINGLE (0<<1)
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40
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41 #define STFA_FORMAT_SIGNED (1<<15)
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42 #define STFA_FORMAT_UNSIGNED (0<<15)
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43 #define STFA_FORMAT_STEREO (1<<14)
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44 #define STFA_FORMAT_MONO (0<<14)
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45 #define STFA_FORMAT_16BIT (1<<13)
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46 #define STFA_FORMAT_8BIT (0<<13)
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47 #define STFA_FORMAT_LITENDIAN (1<<9)
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48 #define STFA_FORMAT_BIGENDIAN (0<<9)
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49 #define STFA_FORMAT_FREQ_MASK 0x0f
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50 enum {
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51 STFA_FORMAT_F4995=0,
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52 STFA_FORMAT_F6269,
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53 STFA_FORMAT_F7493,
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54 STFA_FORMAT_F8192,
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55
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56 STFA_FORMAT_F9830,
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57 STFA_FORMAT_F10971,
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58 STFA_FORMAT_F12538,
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59 STFA_FORMAT_F14985,
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60
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61 STFA_FORMAT_F16384,
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62 STFA_FORMAT_F19819,
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63 STFA_FORMAT_F21943,
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64 STFA_FORMAT_F24576,
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65
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66 STFA_FORMAT_F30720,
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67 STFA_FORMAT_F32336,
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68 STFA_FORMAT_F43885,
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69 STFA_FORMAT_F49152
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70 };
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71
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72 /*--- Types ---*/
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73
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74 typedef struct {
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75 unsigned short sound_enable;
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76 unsigned short sound_control;
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77 unsigned short sound_output;
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78 unsigned long sound_start;
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79 unsigned long sound_current;
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80 unsigned long sound_end;
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81 unsigned short version;
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82 void *old_vbl;
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83 void *old_timera;
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84 unsigned long old_mfp_status;
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85 void *new_vbl;
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86 void *drivers_list;
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87 void *play_stop;
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88 unsigned short frequency;
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89 void *set_frequency;
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90
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91 unsigned short frequency_threshold;
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92 unsigned short *custom_freq_table;
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93 unsigned short stfa_on_off;
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94 void *new_drivers_list;
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95 unsigned long old_bit_2_of_cookie_snd;
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96 void (*stfa_it)(void);
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97 } cookie_stfa_t __attribute__((packed));
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98
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99 #endif /* _SDL_mintaudio_stfa_h */