78c45530ff
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13698 a1c6a512-1295-4272-9138-f99709370657
40 lines
648 B
C
40 lines
648 B
C
#ifndef __SOUND_H__
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#define __SOUND_H__
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#include "defs.h"
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struct sndchan
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{
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int on;
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unsigned pos;
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int cnt, encnt, swcnt;
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int len, enlen, swlen;
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int swfreq;
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int freq;
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int envol, endir;
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};
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struct snd
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{
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int rate;
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struct sndchan ch[4];
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};
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extern struct snd snd;
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#if defined(ICODE_ATTR) && defined(CPU_ARM)
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#undef ICODE_ATTR
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#define ICODE_ATTR
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#endif
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byte sound_read(byte r) ICODE_ATTR;
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void sound_write(byte r, byte b) ICODE_ATTR;
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void sound_dirty(void) ICODE_ATTR;
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void sound_reset(void);
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void sound_mix(void) ICODE_ATTR;
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void s1_init(void);
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void s2_init(void);
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void s3_init(void);
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void s4_init(void);
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#endif
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