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1.1.1.2 ! root 1: /* 1.1 root 2: * UAE - The Un*x Amiga Emulator 1.1.1.2 ! root 3: * 1.1 root 4: * Support for Linux/USS sound 1.1.1.2 ! root 5: * 1.1 root 6: * Copyright 1997 Bernd Schmidt 7: */ 8: 9: extern int sound_fd; 10: extern uae_u16 sndbuffer[]; 11: extern uae_u16 *sndbufpt; 12: extern int sndbufsize; 13: 14: extern unsigned long sndbuf_written; 15: 16: static __inline__ void check_sound_buffers (void) 17: { 18: if ((char *)sndbufpt - (char *)sndbuffer >= sndbufsize) { 19: write (sound_fd, sndbuffer, sndbufsize); 20: sndbufpt = sndbuffer; 21: sndbuf_written += sndbufsize; 22: } 23: } 24: 25: #define PUT_SOUND_BYTE(b) do { *(uae_u8 *)sndbufpt = b; sndbufpt = (uae_u16 *)(((uae_u8 *)sndbufpt) + 1); } while (0) 26: #define PUT_SOUND_WORD(b) do { *(uae_u16 *)sndbufpt = b; sndbufpt = (uae_u16 *)(((uae_u8 *)sndbufpt) + 2); } while (0) 27: #define PUT_SOUND_BYTE_LEFT(b) PUT_SOUND_BYTE(b) 28: #define PUT_SOUND_WORD_LEFT(b) PUT_SOUND_WORD(b) 29: #define PUT_SOUND_BYTE_RIGHT(b) PUT_SOUND_BYTE(b) 30: #define PUT_SOUND_WORD_RIGHT(b) PUT_SOUND_WORD(b) 31: #define SOUND16_BASE_VAL 0 32: #define SOUND8_BASE_VAL 128 33: 34: #define DEFAULT_SOUND_MAXB 8192 35: #define DEFAULT_SOUND_MINB 8192 36: #define DEFAULT_SOUND_BITS 16 37: #define DEFAULT_SOUND_FREQ 44100 38: #define HAVE_STEREO_SUPPORT
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