// license:BSD-3-Clause
// copyright-holders:Barry Rodewald
#ifndef __UPD71071_H__
#define __UPD71071_H__
struct upd71071_reg
{
uint8_t initialise;
uint8_t channel;
uint16_t count_current[4];
uint16_t count_base[4];
uint32_t address_current[4];
uint32_t address_base[4];
uint16_t device_control;
uint8_t mode_control[4];
uint8_t status;
uint8_t temp_l;
uint8_t temp_h;
uint8_t request;
uint8_t mask;
};
class upd71071_device : public device_t
{
public:
upd71071_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
~upd71071_device() {}
static void static_set_cpu_tag(device_t &device, const char *tag) { downcast<upd71071_device &>(device).m_cpu.set_tag(tag); }
static void set_clock(device_t &device, int clock) { downcast<upd71071_device &>(device).m_upd_clock = clock; }
template<class _Object> static devcb_base &set_out_hreq_callback(device_t &device, _Object object) { return downcast<upd71071_device &>(device).m_out_hreq_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_eop_callback(device_t &device, _Object object) { return downcast<upd71071_device &>(device).m_out_eop_cb.set_callback(object); }
template<class _Object> static devcb_base &set_dma_read_0_callback(device_t &device, _Object object) { return downcast<upd71071_device &>(device).m_dma_read_0_cb.set_callback(object); }
template<class _Object> static devcb_base &set_dma_read_1_callback(device_t &device, _Object object) { return downcast<upd71071_device &>(device).m_dma_read_1_cb.set_callback(object); }
template<class _Object> static devcb_base &set_dma_read_2_callback(device_t &device, _Object object) { return downcast<upd71071_device &>(device).m_dma_read_2_cb.set_callback(object); }
template<class _Object> static devcb_base &set_dma_read_3_callback(device_t &device, _Object object) { return downcast<upd71071_device &>(device).m_dma_read_3_cb.set_callback(object); }
template<class _Object> static devcb_base &set_dma_write_0_callback(device_t &device, _Object object) { return downcast<upd71071_device &>(device).m_dma_write_0_cb.set_callback(object); }
template<class _Object> static devcb_base &set_dma_write_1_callback(device_t &device, _Object object) { return downcast<upd71071_device &>(device).m_dma_write_1_cb.set_callback(object); }
template<class _Object> static devcb_base &set_dma_write_2_callback(device_t &device, _Object object) { return downcast<upd71071_device &>(device).m_dma_write_2_cb.set_callback(object); }
template<class _Object> static devcb_base &set_dma_write_3_callback(device_t &device, _Object object) { return downcast<upd71071_device &>(device).m_dma_write_3_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_dack_0_callback(device_t &device, _Object object) { return downcast<upd71071_device &>(device).m_out_dack_0_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_dack_1_callback(device_t &device, _Object object) { return downcast<upd71071_device &>(device).m_out_dack_1_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_dack_2_callback(device_t &device, _Object object) { return downcast<upd71071_device &>(device).m_out_dack_2_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_dack_3_callback(device_t &device, _Object object) { return downcast<upd71071_device &>(device).m_out_dack_3_cb.set_callback(object); }
DECLARE_READ8_MEMBER(read);
DECLARE_WRITE8_MEMBER(write);
DECLARE_WRITE_LINE_MEMBER(set_hreq);
DECLARE_WRITE_LINE_MEMBER(set_eop);
int dmarq(int state, int channel);
protected:
// device-level overrides
virtual void device_start() override;
private:
// internal state
void soft_reset();
TIMER_CALLBACK_MEMBER(dma_transfer_timer);
struct upd71071_reg m_reg;
int m_selected_channel;
int m_buswidth;
int m_dmarq[4];
emu_timer* m_timer[4];
//int m_in_progress[4];
//int m_transfer_size[4];
int m_base;
int m_upd_clock;
devcb_write_line m_out_hreq_cb;
devcb_write_line m_out_eop_cb;
devcb_read16 m_dma_read_0_cb;
devcb_read16 m_dma_read_1_cb;
devcb_read16 m_dma_read_2_cb;
devcb_read16 m_dma_read_3_cb;
devcb_write16 m_dma_write_0_cb;
devcb_write16 m_dma_write_1_cb;
devcb_write16 m_dma_write_2_cb;
devcb_write16 m_dma_write_3_cb;
devcb_write_line m_out_dack_0_cb;
devcb_write_line m_out_dack_1_cb;
devcb_write_line m_out_dack_2_cb;
devcb_write_line m_out_dack_3_cb;
int m_hreq;
int m_eop;
optional_device<cpu_device> m_cpu;
};
extern const device_type UPD71071;
#define MCFG_UPD71071_CPU(_tag) \
upd71071_device::static_set_cpu_tag(*device, "^" _tag);
#define MCFG_UPD71071_CLOCK(_clk) \
upd71071_device::set_clock(*device, _clk);
#define MCFG_UPD71071_OUT_HREQ_CB(_devcb) \
devcb = &upd71071_device::set_out_hreq_callback(*device, DEVCB_##_devcb);
#define MCFG_UPD71071_OUT_EOP_CB(_devcb) \
devcb = &upd71071_device::set_out_eop_callback(*device, DEVCB_##_devcb);
#define MCFG_UPD71071_DMA_READ_0_CB(_devcb) \
devcb = &upd71071_device::set_dma_read_0_callback(*device, DEVCB_##_devcb);
#define MCFG_UPD71071_DMA_READ_1_CB(_devcb) \
devcb = &upd71071_device::set_dma_read_1_callback(*device, DEVCB_##_devcb);
#define MCFG_UPD71071_DMA_READ_2_CB(_devcb) \
devcb = &upd71071_device::set_dma_read_2_callback(*device, DEVCB_##_devcb);
#define MCFG_UPD71071_DMA_READ_3_CB(_devcb) \
devcb = &upd71071_device::set_dma_read_3_callback(*device, DEVCB_##_devcb);
#define MCFG_UPD71071_DMA_WRITE_0_CB(_devcb) \
devcb = &upd71071_device::set_dma_write_0_callback(*device, DEVCB_##_devcb);
#define MCFG_UPD71071_DMA_WRITE_1_CB(_devcb) \
devcb = &upd71071_device::set_dma_write_1_callback(*device, DEVCB_##_devcb);
#define MCFG_UPD71071_DMA_WRITE_2_CB(_devcb) \
devcb = &upd71071_device::set_dma_write_2_callback(*device, DEVCB_##_devcb);
#define MCFG_UPD71071_DMA_WRITE_3_CB(_devcb) \
devcb = &upd71071_device::set_dma_write_3_callback(*device, DEVCB_##_devcb);
#define MCFG_UPD71071_OUT_DACK_0_CB(_devcb) \
devcb = &upd71071_device::set_out_dack_0_callback(*device, DEVCB_##_devcb);
#define MCFG_UPD71071_OUT_DACK_1_CB(_devcb) \
devcb = &upd71071_device::set_out_dack_1_callback(*device, DEVCB_##_devcb);
#define MCFG_UPD71071_OUT_DACK_2_CB(_devcb) \
devcb = &upd71071_device::set_out_dack_2_callback(*device, DEVCB_##_devcb);
#define MCFG_UPD71071_OUT_DACK_3_CB(_devcb) \
devcb = &upd71071_device::set_out_dack_3_callback(*device, DEVCB_##_devcb);
#endif /*UPD71071_H_*/