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Diffstat (limited to 'src/devices/sound/ym2203.h')
-rw-r--r-- | src/devices/sound/ym2203.h | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/src/devices/sound/ym2203.h b/src/devices/sound/ym2203.h deleted file mode 100644 index dbce4549340..00000000000 --- a/src/devices/sound/ym2203.h +++ /dev/null @@ -1,59 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Aaron Giles - -#ifndef MAME_SOUND_YM2203_H -#define MAME_SOUND_YM2203_H - -#pragma once - -#include "ymfm.h" -#include "ay8910.h" - - -// ======================> ym2203_device - -DECLARE_DEVICE_TYPE(YM2203, ym2203_device); - -class ym2203_device : public ay8910_device -{ -public: - // YM2151 is OPN - using fm_engine = ymopn_engine; - - // constructor - ym2203_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); - - // configuration helpers - auto irq_handler() { return m_fm.irq_handler(); } - - // read/write access - u8 read(offs_t offset); - void write(offs_t offset, u8 data); - - // direct port access - u8 status_port_r() { return read(0); } - u8 read_port_r() { return read(1); } - void control_port_w(u8 data) { write(0, data); } - void write_port_w(u8 data) { write(1, data); } - -protected: - // device-level overrides - virtual void device_start() override; - virtual void device_reset() override; - virtual void device_clock_changed() override; - - // sound overrides - virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override; - -private: - // set a new prescale value and update clocks - void update_prescale(u8 newval); - - // internal state - fm_engine m_fm; // core FM engine - sound_stream *m_stream; // sound stream - attotime m_busy_duration; // precomputed busy signal duration - u8 m_address; // address register -}; - -#endif // MAME_SOUND_YM2203_H |