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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************
Atari CAGE Audio Board
****************************************************************************/
#ifndef __ATARI_CAGE__
#define __ATARI_CAGE__
#include "machine/gen_latch.h"
#include "sound/dmadac.h"
#define CAGE_IRQ_REASON_DATA_READY (1)
#define CAGE_IRQ_REASON_BUFFER_EMPTY (2)
#define MCFG_ATARI_CAGE_IRQ_CALLBACK(_write) \
devcb = &atari_cage_device::set_irqhandler_callback(*device, DEVCB_##_write);
#define MCFG_ATARI_CAGE_SPEEDUP(_speedup) \
atari_cage_device::static_set_speedup(*device, _speedup);
class atari_cage_device : public device_t
{
public:
// construction/destruction
atari_cage_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
atari_cage_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
static void static_set_speedup(device_t &device, offs_t speedup) { downcast<atari_cage_device &>(device).m_speedup = speedup; }
template<class _Object> static devcb_base &set_irqhandler_callback(device_t &device, _Object object) { return downcast<atari_cage_device &>(device).m_irqhandler.set_callback(object); }
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const override;
void reset_w(int state);
UINT16 main_r();
void main_w(UINT16 data);
UINT16 control_r();
void control_w(UINT16 data);
TIMER_DEVICE_CALLBACK_MEMBER( dma_timer_callback );
void update_dma_state(address_space &space);
TIMER_DEVICE_CALLBACK_MEMBER( cage_timer_callback );
void update_timer(int which);
void update_serial();
READ32_MEMBER( tms32031_io_r );
WRITE32_MEMBER( tms32031_io_w );
void update_control_lines();
READ32_MEMBER( cage_from_main_r );
WRITE32_MEMBER( cage_from_main_ack_w );
WRITE32_MEMBER( cage_to_main_w );
READ32_MEMBER( cage_io_status_r );
TIMER_CALLBACK_MEMBER( cage_deferred_w );
WRITE32_MEMBER( speedup_w );
protected:
// device-level overrides
virtual void device_start() override;
private:
required_shared_ptr<UINT32> m_cageram;
cpu_device *m_cpu;
required_device<generic_latch_16_device> m_soundlatch;
attotime m_cpu_h1_clock_period;
UINT8 m_cpu_to_cage_ready;
UINT8 m_cage_to_cpu_ready;
devcb_write8 m_irqhandler;
attotime m_serial_period_per_word;
UINT8 m_dma_enabled;
UINT8 m_dma_timer_enabled;
timer_device *m_dma_timer;
UINT8 m_timer_enabled[2];
timer_device *m_timer[2];
UINT32 m_tms32031_io_regs[0x100];
UINT16 m_from_main;
UINT16 m_control;
UINT32 *m_speedup_ram;
dmadac_sound_device *m_dmadac[4];
offs_t m_speedup;
};
// device type definition
extern const device_type ATARI_CAGE;
class atari_cage_seattle_device : public atari_cage_device
{
public:
// construction/destruction
atari_cage_seattle_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const override;
};
// device type definition
extern const device_type ATARI_CAGE_SEATTLE;
#endif // __ATARI_CAGE__
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