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// license:BSD-3-Clause
// copyright-holders:Hiromitsu Shioya, Olivier Galibert
/*********************************************************/
/* SEGA 8bit PCM */
/*********************************************************/
#ifndef MAMESOUND_SEGAPCM_H
#define MAMESOUND_SEGAPCM_H
#pragma once
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_SEGAPCM_ADD(tag, clock) \
MCFG_DEVICE_ADD((tag), SEGAPCM, (clock))
#define MCFG_SEGAPCM_REPLACE(tag, clock) \
MCFG_DEVICE_REPLACE((tag), SEGAPCM, (clock))
#define MCFG_SEGAPCM_BANK(bank) \
segapcm_device::set_bank(*device, (segapcm_device::bank));
#define MCFG_SEGAPCM_BANK_MASK(bank, mask) \
segapcm_device::set_bank(*device, (segapcm_device::bank) | (segapcm_device::mask));
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class segapcm_device : public device_t,
public device_sound_interface,
public device_rom_interface
{
public:
static constexpr int BANK_256 = 11;
static constexpr int BANK_512 = 12;
static constexpr int BANK_12M = 13;
static constexpr int BANK_MASK7 = 0x70 << 16;
static constexpr int BANK_MASKF = 0xf0 << 16;
static constexpr int BANK_MASKF8 = 0xf8 << 16;
segapcm_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// static configuration
static void set_bank(device_t &device, int bank) { downcast<segapcm_device &>(device).m_bank = bank; }
DECLARE_WRITE8_MEMBER( sega_pcm_w );
DECLARE_READ8_MEMBER( sega_pcm_r );
protected:
// device-level overrides
virtual void device_start() override;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
// device_rom_interface overrides
virtual void rom_bank_updated() override;
private:
std::unique_ptr<uint8_t[]> m_ram;
uint8_t m_low[16];
int m_bank;
int m_bankshift;
int m_bankmask;
sound_stream* m_stream;
};
DECLARE_DEVICE_TYPE(SEGAPCM, segapcm_device)
#endif // MAMESOUND_SEGAPCM_H
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