2005-03-02 23:49:38 +00:00
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#ifndef __SOUND_H__
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#define __SOUND_H__
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2005-06-24 22:33:21 +00:00
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#include "defs.h"
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2005-03-02 23:49:38 +00:00
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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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byte wave[16];
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};
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extern struct snd snd;
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2006-01-20 20:59:07 +00:00
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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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2006-01-20 13:05:52 +00:00
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byte sound_read(byte r) ICODE_ATTR;
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2006-06-19 01:47:45 +00:00
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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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2005-03-02 23:49:38 +00:00
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void sound_off(void);
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void sound_reset(void);
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2006-06-19 01:47:45 +00:00
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void sound_mix(void) ICODE_ATTR;
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2005-03-02 23:49:38 +00:00
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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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