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Diffstat (limited to 'src/mame/audio/vboy.h')
-rw-r--r-- | src/mame/audio/vboy.h | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/src/mame/audio/vboy.h b/src/mame/audio/vboy.h deleted file mode 100644 index ca4de746db3..00000000000 --- a/src/mame/audio/vboy.h +++ /dev/null @@ -1,91 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:R. Belmont -/* - vboy.h - Virtual Boy audio emulation - - By Richard Bannister and Gil Pedersen. - MESS device adaptation by R. Belmont -*/ -#ifndef MAME_AUDIO_VBOY_H -#define MAME_AUDIO_VBOY_H - -#pragma once - - -//************************************************************************** -// TYPE DEFINITIONS -//************************************************************************** - -// ======================> vboysnd_device - -class vboysnd_device : public device_t, public device_sound_interface -{ -public: - // construction/destruction - vboysnd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 5'000'000); - - uint8_t read(offs_t offset); - void write(offs_t offset, uint8_t data); - - sound_stream *m_stream; - -protected: - static constexpr unsigned CHANNELS = 4; - - struct s_snd_channel { - int8_t playing; // the sound is playing - - // state when sound was enabled - uint32_t env_steptime; // Envelope step time - uint8_t env0; // Envelope data - uint8_t env1; // Envelope data - uint8_t volLeft; // Left output volume - uint8_t volRight; // Right output volume - uint8_t sample[580]; // sample to play - int sample_len; // length of sample - - // values that change, as the sample is played - int offset; // current offset in sample - int time; // the duration that this sample is to be played - uint8_t envelope; // Current envelope level (604) - int env_time; // The duration between envelope decay/grow (608) - }; - - struct s_regchan { - int32_t sINT; - int32_t sLRV; - int32_t sFQL; - int32_t sFQH; - int32_t sEV0; - int32_t sEV1; - int32_t sRAM; - }; - - struct s_sreg { - // Sound registers structure - s_regchan c[4]; - }; - - // device-level overrides - virtual void device_start() override; - virtual void device_clock_changed() override; - virtual void device_reset() override; - virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; - - virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override; - - s_snd_channel snd_channel[5]; - - uint16_t waveFreq2LenTbl[2048]; - uint16_t waveTimer2LenTbl[32]; - uint16_t waveEnv2LenTbl[8]; - - emu_timer *m_timer; - - uint8_t m_aram[0x600]; -}; - -// device type definition -DECLARE_DEVICE_TYPE(VBOYSND, vboysnd_device) - -#endif //MAME_AUDIO_VBOY_H |