blob: c5dc78b74d88a3537fa93e9103a31e8d737fb3f7 (
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
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
|
// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Luxor 55 21056-00 Xebec Interface Host Adapter emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
*********************************************************************/
#pragma once
#ifndef __LUXOR_55_21056__
#define __LUXOR_55_21056__
#include "emu.h"
#include "abcbus.h"
#include "cpu/z80/z80.h"
#include "cpu/z80/z80daisy.h"
#include "machine/scsibus.h"
#include "machine/scsicb.h"
#include "machine/scsihd.h"
#include "machine/z80dma.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> luxor_55_21056_device
class luxor_55_21056_device : public device_t,
public device_abcbus_card_interface
{
public:
// construction/destruction
luxor_55_21056_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// optional information overrides
virtual const rom_entry *device_rom_region() const;
virtual machine_config_constructor device_mconfig_additions() const;
virtual ioport_constructor device_input_ports() const;
DECLARE_READ8_MEMBER( sasi_status_r );
DECLARE_WRITE8_MEMBER( stat_w );
DECLARE_READ8_MEMBER( out_r );
DECLARE_WRITE8_MEMBER( inp_w );
DECLARE_READ8_MEMBER( sasi_data_r );
DECLARE_WRITE8_MEMBER( sasi_data_w );
DECLARE_READ8_MEMBER( rdy_reset_r );
DECLARE_WRITE8_MEMBER( rdy_reset_w );
DECLARE_READ8_MEMBER( sasi_sel_r );
DECLARE_WRITE8_MEMBER( sasi_sel_w );
DECLARE_READ8_MEMBER( sasi_rst_r );
DECLARE_WRITE8_MEMBER( sasi_rst_w );
DECLARE_READ8_MEMBER( memory_read_byte );
DECLARE_WRITE8_MEMBER( memory_write_byte );
DECLARE_READ8_MEMBER( io_read_byte );
DECLARE_WRITE8_MEMBER( io_write_byte );
DECLARE_WRITE_LINE_MEMBER( sasi_bsy_w );
DECLARE_WRITE_LINE_MEMBER( sasi_io_w );
DECLARE_WRITE_LINE_MEMBER( sasi_req_w );
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
// device_abcbus_interface overrides
virtual void abcbus_cs(UINT8 data);
virtual UINT8 abcbus_inp();
virtual void abcbus_out(UINT8 data);
virtual UINT8 abcbus_stat();
virtual void abcbus_c1(UINT8 data);
virtual void abcbus_c3(UINT8 data);
private:
void set_rdy(int state);
required_device<cpu_device> m_maincpu;
required_device<z80dma_device> m_dma;
required_device<scsicb_device> m_sasibus;
required_ioport m_s1;
int m_cs;
int m_rdy;
int m_req;
UINT8 m_inp;
UINT8 m_out;
UINT8 m_stat;
UINT8 m_sasi_data;
};
// device type definition
extern const device_type LUXOR_55_21056;
#endif
|