f6612fb33b
A lot of clean ups from waltje; Start of a directory structure for the code, thanks to waltje.
34 lines
685 B
C
34 lines
685 B
C
enum
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{
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SN76496,
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NCR8496,
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PSSJ
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};
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extern device_t sn76489_device;
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extern device_t ncr8496_device;
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extern int sn76489_mute;
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typedef struct sn76489_t
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{
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int stat[4];
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int latch[4], count[4];
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int freqlo[4], freqhi[4];
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int vol[4];
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uint32_t shift;
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uint8_t noise;
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int lasttone;
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uint8_t firstdat;
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int type;
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int extra_divide;
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int16_t buffer[SOUNDBUFLEN];
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int pos;
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double psgconst;
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} sn76489_t;
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void sn76489_init(sn76489_t *sn76489, uint16_t base, uint16_t size, int type, int freq);
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void sn74689_set_extra_divide(sn76489_t *sn76489, int enable);
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