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Diffstat (limited to 'trunk/src/emu/sound/awacs.h')
-rw-r--r-- | trunk/src/emu/sound/awacs.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/trunk/src/emu/sound/awacs.h b/trunk/src/emu/sound/awacs.h new file mode 100644 index 00000000000..de6e521ef70 --- /dev/null +++ b/trunk/src/emu/sound/awacs.h @@ -0,0 +1,76 @@ +/*************************************************************************** + + awacs.h + + AWACS/Singer style 16-bit audio I/O for '040 and PowerPC Macs + +***************************************************************************/ + +#pragma once + +#ifndef __AWACS_H__ +#define __AWACS_H__ + + + + +//************************************************************************** +// CONSTANTS +//************************************************************************** + +//************************************************************************** +// INTERFACE CONFIGURATION MACROS +//************************************************************************** + +#define MCFG_AWACS_ADD(_tag, _clock) \ + MCFG_DEVICE_ADD(_tag, AWACS, _clock) + +#define MCFG_AWACS_REPLACE(_tag, _clock) \ + MCFG_DEVICE_REPLACE(_tag, AWACS, _clock) + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> awacs_device + +class awacs_device : public device_t, public device_sound_interface +{ +public: + // construction/destruction + awacs_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + DECLARE_READ8_MEMBER(read); + DECLARE_WRITE8_MEMBER(write); + + void set_dma_base(address_space *space, int offset0, int offset1); + + sound_stream *m_stream; + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); + + virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples); + + // inline data + UINT8 m_regs[0x100]; + + int m_play_ptr, m_buffer_size, m_buffer_num; + bool m_playback_enable; + + address_space *m_dma_space; + int m_dma_offset_0, m_dma_offset_1; + + emu_timer *m_timer; +}; + + +// device type definition +extern const device_type AWACS; + + +#endif /* __AWACS_H__ */ + |