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// license:BSD-3-Clause
// copyright-holders:R. Belmont
#ifndef MAME_MACHINE_PSEUDOVIA_H
#define MAME_MACHINE_PSEUDOVIA_H
#pragma once
class pseudovia_device : public device_t
{
public:
pseudovia_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// interface routines
auto readpa_handler() { return m_in_a_handler.bind(); }
auto readpb_handler() { return m_in_b_handler.bind(); }
auto readconfig_handler() { return m_in_config_handler.bind(); }
auto readvideo_handler() { return m_in_video_handler.bind(); }
auto readmsc_handler() { return m_in_msc_handler.bind(); }
auto writepa_handler() { return m_out_a_handler.bind(); }
auto writepb_handler() { return m_out_b_handler.bind(); }
auto writeconfig_handler() { return m_out_config_handler.bind(); }
auto writevideo_handler() { return m_out_video_handler.bind(); }
auto writemsc_handler() { return m_out_msc_handler.bind(); }
auto irq_callback() { return m_write_irq.bind(); }
uint8_t read(offs_t offset);
void write(offs_t offset, uint8_t data);
template <u8 mask> void slot_irq_w(int state);
void vbl_irq_w(int state);
void scc_irq_w(int state);
void asc_irq_w(int state);
void scsi_irq_w(int state);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
devcb_write_line m_write_irq;
devcb_read8 m_in_a_handler, m_in_b_handler, m_in_config_handler, m_in_video_handler, m_in_msc_handler;
devcb_write8 m_out_a_handler, m_out_b_handler, m_out_config_handler, m_out_video_handler, m_out_msc_handler;
uint8_t m_pseudovia_regs[256], m_pseudovia_ier, m_pseudovia_ifr;
void pseudovia_recalc_irqs();
};
// device type definition
DECLARE_DEVICE_TYPE(APPLE_PSEUDOVIA, pseudovia_device)
#endif // MAME_MACHINE_PSEUDOVIA_H
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