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Diffstat (limited to 'trunk/src/emu/sound/upd7759.h')
-rw-r--r-- | trunk/src/emu/sound/upd7759.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/trunk/src/emu/sound/upd7759.h b/trunk/src/emu/sound/upd7759.h new file mode 100644 index 00000000000..9cae7e9b565 --- /dev/null +++ b/trunk/src/emu/sound/upd7759.h @@ -0,0 +1,30 @@ +#pragma once + +#ifndef __UPD7759_H__ +#define __UPD7759_H__ + +#include "devlegcy.h" + +/* There are two modes for the uPD7759, selected through the !MD pin. + This is the mode select input. High is stand alone, low is slave. + We're making the assumption that nobody switches modes through + software. */ + +#define UPD7759_STANDARD_CLOCK XTAL_640kHz + +typedef struct _upd7759_interface upd7759_interface; +struct _upd7759_interface +{ + void (*drqcallback)(device_t *device, int param); /* drq callback (per chip, slave mode only) */ +}; + +void upd7759_set_bank_base(device_t *device, offs_t base); + +void upd7759_reset_w(device_t *device, UINT8 data); +void upd7759_start_w(device_t *device, UINT8 data); +int upd7759_busy_r(device_t *device); +WRITE8_DEVICE_HANDLER( upd7759_port_w ); + +DECLARE_LEGACY_SOUND_DEVICE(UPD7759, upd7759); + +#endif /* __UPD7759_H__ */ |