45 lines
991 B
C
45 lines
991 B
C
/*
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Sega/Yamaha AICA emulation
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*/
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#ifndef _AICA_H_
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#define _AICA_H_
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#define MAX_AICA (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 AICAinterface
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{
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int num;
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void *region[MAX_AICA];
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int mixing_level[MAX_AICA]; /* volume */
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void (*irq_callback[MAX_AICA])(int state); /* irq callback */
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};
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int AICA_sh_start(struct AICAinterface *intf);
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void AICA_sh_stop(void);
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void scsp_stop(void);
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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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// AICA register access
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READ16_HANDLER( AICA_0_r );
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WRITE16_HANDLER( AICA_0_w );
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READ16_HANDLER( AICA_1_r );
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WRITE16_HANDLER( AICA_1_w );
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// MIDI I/O access (used for comms on Model 2/3)
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WRITE16_HANDLER( AICA_MidiIn );
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READ16_HANDLER( AICA_MidiOutR );
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#endif
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