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// license:BSD-3-Clause
// copyright-holders:AJR
/**********************************************************************
Sony CXD1095 CMOS I/O Port Expander
CXD1095Q: 64-pin quad flat package
1-2 NC
3-9 PB1-PB7
10 GND
11-18 PC0-PC7
19 NC
20-24 PD0-PD4
25 GND
26 Vdd
27-29 PD5-PD7
30-32 D0-D2
33-34 NC
35-39 D3-D7
40 /CLR
41 /RST
42 GND
43 /WR
44 /RD
45 /CS
46-48 A0-A2
49-50 PX0-PX1
51 NC
52-53 PX2-PX3
54-56 PA0-PA2
57 GND
58 Vdd
59-63 PA3-PA7
64 PB0
**********************************************************************/
#ifndef MAME_MACHINE_CXD1095_H
#define MAME_MACHINE_CXD1095_H
#pragma once
class cxd1095_device : public device_t
{
public:
// construction/destruction
cxd1095_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock = XTAL());
// configuration
template <std::size_t Port> auto in_port_cb() { static_assert(Port >= 0 && Port < 5, "invalid port"); return m_input_cb[Port].bind(); }
template <std::size_t Port> auto out_port_cb() { static_assert(Port >= 0 && Port < 5, "invalid port"); return m_output_cb[Port].bind(); }
auto in_porta_cb() { return in_port_cb<0>(); }
auto in_portb_cb() { return in_port_cb<1>(); }
auto in_portc_cb() { return in_port_cb<2>(); }
auto in_portd_cb() { return in_port_cb<3>(); }
auto in_porte_cb() { return in_port_cb<4>(); }
auto out_porta_cb() { return out_port_cb<0>(); }
auto out_portb_cb() { return out_port_cb<1>(); }
auto out_portc_cb() { return out_port_cb<2>(); }
auto out_portd_cb() { return out_port_cb<3>(); }
auto out_porte_cb() { return out_port_cb<4>(); }
// memory handlers
u8 read(offs_t offset);
void write(offs_t offset, u8 data);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
// input/output callbacks
devcb_read8::array<5> m_input_cb;
devcb_write8::array<5> m_output_cb;
// internal state
u8 m_data_latch[5];
u8 m_data_dir[5];
};
DECLARE_DEVICE_TYPE(CXD1095, cxd1095_device)
#endif // MAME_MACHINE_CXD1095_H
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