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
|
/////////////////////////////////////////////////////////////////////////
// $Id: parallel.h,v 1.15 2006/05/27 15:54:48 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
//
// MandrakeSoft S.A.
// 43, rue d'Aboukir
// 75002 Paris - France
// http://www.linux-mandrake.com/
// http://www.mandrakesoft.com/
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef BX_IODEV_PARPORT_H
#define BX_IODEV_PARPORT_H
#if BX_USE_PAR_SMF
# define BX_PAR_SMF static
# define BX_PAR_THIS theParallelDevice->
#else
# define BX_PAR_SMF
# define BX_PAR_THIS this->
#endif
#define BX_PARPORT_MAXDEV 2
#define BX_PAR_DATA 0
#define BX_PAR_STAT 1
#define BX_PAR_CTRL 2
typedef struct {
Bit8u data;
struct {
bx_bool error;
bx_bool slct;
bx_bool pe;
bx_bool ack;
bx_bool busy;
} STATUS;
struct {
bx_bool strobe;
bx_bool autofeed;
bx_bool init;
bx_bool slct_in;
bx_bool irq;
bx_bool input;
} CONTROL;
Bit8u IRQ;
FILE *output;
bx_bool initmode;
} bx_par_t;
class bx_parallel_c : public bx_devmodel_c {
public:
bx_parallel_c();
virtual ~bx_parallel_c();
virtual void init(void);
virtual void reset(unsigned type);
#if BX_SUPPORT_SAVE_RESTORE
virtual void register_state(void);
#endif
private:
bx_par_t s[BX_PARPORT_MAXDEV];
static void virtual_printer(Bit8u port);
static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len);
static void write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
#if !BX_USE_PAR_SMF
Bit32u read(Bit32u address, unsigned io_len);
void write(Bit32u address, Bit32u value, unsigned io_len);
#endif
};
#endif
|
