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
|
/* Copyright (C) 2001-2012 Artifex Software, Inc.
All Rights Reserved.
This software is provided AS-IS with no warranty, either express or
implied.
This software is distributed under license and may not be copied,
modified or distributed except as expressly authorized under the terms
of the license contained in the file LICENSE in this distribution.
Refer to licensing information at http://www.artifex.com or contact
Artifex Software, Inc., 7 Mt. Lassen Drive - Suite A-134, San Rafael,
CA 94903, U.S.A., +1(415)492-9861, for further information.
*/
/* MS-DOS direct I/O operators. */
/* These should NEVER be included in a released configuration! */
#include "dos_.h"
#include "ghost.h"
#include "oper.h"
#include "store.h"
/* <port> .inport <word> */
static int
zinport(i_ctx_t *i_ctx_p)
{
os_ptr op = osp;
check_type(*op, t_integer);
make_int(op, inport((int)op->value.intval));
return 0;
}
/* <port> .inportb <byte> */
static int
zinportb(i_ctx_t *i_ctx_p)
{
os_ptr op = osp;
check_type(*op, t_integer);
make_int(op, inportb((int)op->value.intval));
return 0;
}
/* <port> <word> .outport - */
static int
zoutport(i_ctx_t *i_ctx_p)
{
os_ptr op = osp;
check_type(*op, t_integer);
check_type(op[-1], t_integer);
outport((int)op[-1].value.intval, (int)op->value.intval);
pop(1);
return 0;
}
/* <port> <byte> .outportb - */
static int
zoutportb(i_ctx_t *i_ctx_p)
{
os_ptr op = osp;
check_type(*op, t_integer);
check_int_leu(op[-1], 0xff);
outportb((int)op[-1].value.intval, (byte) op->value.intval);
pop(1);
return 0;
}
/* <loc> .peek <byte> */
static int
zpeek(i_ctx_t *i_ctx_p)
{
os_ptr op = osp;
check_type(*op, t_integer);
make_int(op, *(byte *) (op->value.intval));
return 0;
}
/* <loc> <byte> .poke - */
static int
zpoke(i_ctx_t *i_ctx_p)
{
os_ptr op = osp;
check_type(*op, t_integer);
check_int_leu(op[-1], 0xff);
*(byte *) (op[-1].value.intval) = (byte) op->value.intval;
pop(1);
return 0;
}
/* ------ Operator initialization ------ */
const op_def zdosio_op_defs[] =
{
{"1.inport", zinport},
{"1.inportb", zinportb},
{"2.outport", zoutport},
{"2.outportb", zoutportb},
{"1.peek", zpeek},
{"2.poke", zpoke},
op_def_end(0)
};
|
