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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
// DSP 563xx HI08 host interface
#ifndef MAME_CPU_DSP563XX_HI08_H
#define MAME_CPU_DSP563XX_HI08_H
#pragma once
class dsp563xx_device;
class hi08_device : public device_t
{
public:
hi08_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
void write(offs_t offset, u8 data);
u8 read(offs_t offset);
void map(address_map &map);
protected:
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
private:
enum {
ICR_INIT = 0x80,
ICR_HLEND = 0x20,
ICR_HF1 = 0x10,
ICR_HF0 = 0x08,
ICR_HDRQ = 0x04,
ICR_TREQ = 0x02,
ICR_RREQ = 0x01,
CVR_HC = 0x80,
ISR_HREQ = 0x80,
ISR_HF3 = 0x10,
ISR_HF2 = 0x08,
ISR_TRDY = 0x04,
ISR_TXDE = 0x02,
ISR_RXDF = 0x01,
HSR_HF1 = 0x10,
HSR_HF0 = 0x08,
HSR_HCP = 0x04,
HSR_HTDE = 0x02,
HSR_HRDF = 0x01,
};
required_device<dsp563xx_device> m_cpu;
u32 m_htx, m_hrx, m_tx;
u16 m_hcr, m_hpcr;
u8 m_hbar;
u8 m_icr, m_cvr, m_isr, m_ivr;
void hcr_w(u32 data);
u32 hcr_r();
u32 hsr_r();
void hpcr_w(u32 data);
u32 hpcr_r();
void hbar_w(u32 data);
u32 hbar_r();
void hrx_w(u32 data);
u32 hrx_r();
void htx_w(u32 data);
u32 htx_r();
};
DECLARE_DEVICE_TYPE(HI08, hi08_device)
#endif
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