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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
// license:BSD-3-Clause
// copyright-holders: Angelo Salese
#ifndef MAME_MACHINE_I82426EX_IB_H
#define MAME_MACHINE_I82426EX_IB_H
#pragma once
#include "pci.h"
#include "bus/isa/isa.h"
#include "cpu/i386/i386.h"
#include "machine/am9517a.h"
#include "machine/pic8259.h"
#include "machine/pit8253.h"
#include "machine/at_keybc.h"
#include "sound/spkrdev.h"
class i82426ex_ib_device : public device_t
{
public:
template <typename T, typename U>
i82426ex_ib_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, T &&cputag, U &&keybctag)
: i82426ex_ib_device(mconfig, tag, owner, clock)
{
set_hostcputag(std::forward<T>(cputag));
set_keybctag(std::forward<U>(keybctag));
}
i82426ex_ib_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = XTAL(14'318'181).value());
void io_map(address_map &map);
void remap_bridge();
auto intr() { return m_write_intr.bind(); }
auto spkr() { return m_write_spkr.bind(); }
auto rtcale() { return m_rtcale.bind(); }
auto rtccs_read() { return m_rtccs_read.bind(); }
auto rtccs_write() { return m_rtccs_write.bind(); }
auto cpurst() { return m_write_cpurst.bind(); }
template <typename T> void set_hostcputag(T &&tag) { m_host_cpu.set_tag(std::forward<T>(tag)); }
template <typename T> void set_keybctag(T &&tag) { m_keybc.set_tag(std::forward<T>(tag)); }
void trc_w(offs_t offset, u8 data);
protected:
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_reset_after_children() override ATTR_COLD;
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
virtual void device_config_complete() override;
private:
required_device<cpu_device> m_host_cpu;
required_device<at_kbc_device_base> m_keybc;
required_device_array<am9517a_device, 2> m_dma;
required_device_array<pic8259_device, 2> m_intc;
required_device<pit8254_device> m_pit;
required_device<isa16_device> m_isabus;
devcb_write_line m_write_intr;
devcb_write_line m_write_spkr;
devcb_write_line m_write_cpurst;
devcb_write8 m_rtcale;
devcb_read8 m_rtccs_read;
devcb_write8 m_rtccs_write;
u8 portb_r();
void portb_w(u8 data);
void iochck_w(int state);
int m_dma_eop;
u8 m_dma_page[0x10];
u8 m_dma_high_byte;
int m_dma_channel;
u8 m_portb;
int m_refresh_toggle;
int m_iochck;
u8 m_nmi_mask;
offs_t page_offset();
void set_dma_channel(int channel, bool state);
u8 dma_read_byte(offs_t offset);
void dma_write_byte(offs_t offset, u8 data);
u8 dma_read_word(offs_t offset);
void dma_write_word(offs_t offset, u8 data);
void dma1_eop_w(int state);
void dma2_hreq_w(int state);
};
DECLARE_DEVICE_TYPE(I82426EX_IB, i82426ex_ib_device)
#endif // MAME_MACHINE_I82426EX_IB_H
|