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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
// license:BSD-3-Clause
// copyright-holders:Barry Rodewald
/*
Dobbertin HD20 hard disk
*/
#include "emu.h"
#include "hd20.h"
#include "includes/amstrad.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
const device_type CPC_HD20 = &device_creator<cpc_hd20_device>;
static MACHINE_CONFIG_FRAGMENT( cpc_hd20 )
MCFG_DEVICE_ADD("hdc",ST11M_HDC,0)
MCFG_XTHDC_IRQ_HANDLER(WRITELINE(cpc_hd20_device,irq_w))
MCFG_HARDDISK_ADD("hdc:primary")
// no pass-through (?)
MACHINE_CONFIG_END
machine_config_constructor cpc_hd20_device::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( cpc_hd20 );
}
ROM_START( cpc_hd20 )
ROM_REGION( 0x4000, "exp_rom", 0 )
ROM_DEFAULT_BIOS("xddos210")
ROM_SYSTEM_BIOS( 0, "xddos210", "X-DDOS 2.10" )
ROMX_LOAD( "xddos210.rom", 0x0000, 0x4000, CRC(5477fdb4) SHA1(2f1bd4d6e2d2e62818b01e6e7a26488362a7a8ee), ROM_BIOS(1) )
ROM_SYSTEM_BIOS( 1, "xddos200", "X-DDOS 2.00" )
ROMX_LOAD( "x-ddos20.rom", 0x0000, 0x4000, CRC(c2d9cc03) SHA1(8a20788be5f957e84e849c226aa97b55b2a3aab9), ROM_BIOS(2) )
ROM_END
const rom_entry *cpc_hd20_device::device_rom_region() const
{
return ROM_NAME( cpc_hd20 );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
cpc_hd20_device::cpc_hd20_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
device_t(mconfig, CPC_HD20, "Dobbertin HD20", tag, owner, clock, "cpc_hd20", __FILE__),
device_cpc_expansion_card_interface(mconfig, *this), m_slot(nullptr),
m_hdc(*this,"hdc")
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void cpc_hd20_device::device_start()
{
device_t* cpu = machine().device("maincpu");
address_space& space = cpu->memory().space(AS_IO);
m_slot = dynamic_cast<cpc_expansion_slot_device *>(owner());
space.install_write_handler(0xfbe0,0xfbe4,write8_delegate(FUNC(cpc_hd20_device::hdc_w),this));
space.install_read_handler(0xfbe0,0xfbe4,read8_delegate(FUNC(cpc_hd20_device::hdc_r),this));
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void cpc_hd20_device::device_reset()
{
// TODO
}
READ8_MEMBER(cpc_hd20_device::hdc_r)
{
UINT8 ret = 0x00;
switch(offset)
{
case 0:
ret = m_hdc->data_r();
break;
case 1:
ret = m_hdc->status_r();
break;
case 2:
m_hdc->set_ready();
ret = 0x01;
break;
case 4:
m_hdc->reset_w(0); // reset on read also?
break;
}
return ret;
}
WRITE8_MEMBER(cpc_hd20_device::hdc_w)
{
switch(offset)
{
case 0:
m_hdc->data_w(data);
break;
case 1:
m_hdc->reset_w(data);
break;
case 2:
m_hdc->select_w(data);
break;
case 3:
m_hdc->control_w(data);
break;
case 4:
m_hdc->reset_w(data);
break;
}
}
WRITE_LINE_MEMBER(cpc_hd20_device::irq_w)
{
// if(state)
// m_hdc->set_ready();
}
|