46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
/*
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SCSP (YMF292-F) header
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*/
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#ifndef _SCSP_H_
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#define _SCSP_H_
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#define MAX_SCSP (2)
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#define COMBINE_DATA(varptr) (*(varptr) = (*(varptr) & mem_mask) | (data & ~mem_mask))
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// convert AO types
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typedef int8 data8_t;
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typedef int16 data16_t;
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typedef int32 data32_t;
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typedef int offs_t;
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struct SCSPinterface
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{
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int num;
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void *region[MAX_SCSP];
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int mixing_level[MAX_SCSP]; /* volume */
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void (*irq_callback[MAX_SCSP])(int state); /* irq callback */
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};
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void *scsp_start(const void *config);
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void scsp_stop(void);
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void SCSP_Update(void *param, INT16 **inputs, INT16 **buf, int samples);
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#define READ16_HANDLER(name) data16_t name(offs_t offset, data16_t mem_mask)
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#define WRITE16_HANDLER(name) void name(offs_t offset, data16_t data, data16_t mem_mask)
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// SCSP register access
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READ16_HANDLER( SCSP_0_r );
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WRITE16_HANDLER( SCSP_0_w );
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READ16_HANDLER( SCSP_1_r );
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WRITE16_HANDLER( SCSP_1_w );
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// MIDI I/O access (used for comms on Model 2/3)
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WRITE16_HANDLER( SCSP_MidiIn );
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READ16_HANDLER( SCSP_MidiOutR );
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#endif
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