blob: 33e1e42d3122f7ce971d5d4cf9d278eaeafca4ba (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
ZX Interface 1
**********************************************************************/
#ifndef MAME_BUS_SPECTRUM_INTF1_H
#define MAME_BUS_SPECTRUM_INTF1_H
#include "exp.h"
#include "bus/rs232/rs232.h"
#include "imagedev/microdrv.h"
#include "softlist.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class spectrum_intf1_device:
public device_t,
public device_spectrum_expansion_interface
{
public:
// construction/destruction
spectrum_intf1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
static constexpr feature_type unemulated_features() { return feature::DISK | feature::LAN; }
protected:
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void pre_opcode_fetch(offs_t offset) override;
virtual void post_opcode_fetch(offs_t offset) override;
virtual uint8_t mreq_r(offs_t offset) override;
virtual uint8_t iorq_r(offs_t offset) override;
virtual void iorq_w(offs_t offset, uint8_t data) override;
virtual DECLARE_READ_LINE_MEMBER(romcs) override;
// passthru
virtual void pre_data_fetch(offs_t offset) override { m_exp->pre_data_fetch(offset); };
virtual void post_data_fetch(offs_t offset) override { m_exp->post_data_fetch(offset); };
virtual void mreq_w(offs_t offset, uint8_t data) override { if (m_exp->romcs()) m_exp->mreq_w(offset, data); }
private:
required_device<spectrum_expansion_slot_device> m_exp;
required_device<rs232_port_device> m_rs232;
required_device<microdrive_image_device> m_mdv1;
required_device<microdrive_image_device> m_mdv2;
required_memory_region m_rom;
int m_romcs;
};
// device type definition
DECLARE_DEVICE_TYPE(SPECTRUM_INTF1, spectrum_intf1_device)
#endif /* MAME_BUS_SPECTRUM_INTF1_H */
|