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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
// license:BSD-3-Clause
// copyright-holders:Patrick Mackinlay
#ifndef MAME_CPU_NS32000_SLAVE_H
#define MAME_CPU_NS32000_SLAVE_H
#pragma once
class ns32000_slave_interface : public device_interface
{
public:
auto out_scb() { return m_out_scb.bind(); }
ns32000_slave_interface(machine_config const &mconfig, device_t &device)
: device_interface(device, "ns32000_slave")
, m_out_scb(*this)
{
}
enum slave_status : u16
{
SLAVE_Q = 0x0001,
SLAVE_L = 0x0004,
SLAVE_F = 0x0020,
SLAVE_Z = 0x0040,
SLAVE_N = 0x0080,
};
virtual void state_add(device_state_interface &parent, int &index) = 0;
protected:
ns32000_slave_interface(machine_config const &mconfig, device_t &device, char const *type)
: device_interface(device, type)
, m_out_scb(*this)
{
}
devcb_write_line m_out_scb;
};
class ns32000_mmu_interface : public ns32000_slave_interface
{
public:
enum translate_result : unsigned { COMPLETE, CANCEL, ABORT };
virtual translate_result translate(address_space &space, unsigned st, u32 &address, bool user, bool write, bool pfs = false, bool debug = false) = 0;
protected:
ns32000_mmu_interface(machine_config const &mconfig, device_t &device)
: ns32000_slave_interface(mconfig, device)
{
}
};
class ns32000_slow_slave_interface : public ns32000_slave_interface
{
public:
virtual void write_id(u16 data) = 0;
virtual void write_op(u16 data) = 0;
virtual u16 read_st(int *icount = nullptr) = 0;
virtual u16 read_op() = 0;
protected:
ns32000_slow_slave_interface(machine_config const &mconfig, device_t &device)
: ns32000_slave_interface(mconfig, device)
{
}
};
class ns32000_fast_slave_interface : public ns32000_slave_interface
{
public:
virtual u32 read_st(int *icount = nullptr) = 0;
virtual u32 read() = 0;
virtual void write(u32 data) = 0;
protected:
ns32000_fast_slave_interface(machine_config const &mconfig, device_t &device)
: ns32000_slave_interface(mconfig, device)
{
}
};
#endif // MAME_CPU_NS32000_SLAVE_H
|