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
132
133
134
135
|
/**
* @namespace biew_plugins_auto
* @file plugins/bin/dos_sys.c
* @brief This file contains implementation of DOS driver file format.
* @version -
* @remark this source file is part of Binary vIEW project (BIEW).
* The Binary vIEW (BIEW) is copyright (C) 1995 Nick Kurshev.
* All rights reserved. This software is redistributable under the
* licence given in the file "Licence.en" ("Licence.ru" in russian
* translation) distributed in the BIEW archive.
* @note Requires POSIX compatible development system
*
* @author Nick Kurshev
* @since 1995
* @note Development, fixes and improvements
**/
#include <string.h>
#include <stdio.h>
#include <stddef.h>
#include "bconsole.h"
#include "bmfile.h"
#include "biewhelp.h"
#include "colorset.h"
#include "reg_form.h"
#include "biewlib/kbd_code.h"
#include "biewlib/pmalloc.h"
#include "plugins/disasm.h"
#include "plugins/bin/dos_sys.h"
static DOSDRIVER drv;
static unsigned long __FASTCALL__ ShowSysHeader( void )
{
int keycode;
TWindow *hwnd;
tBool charun;
long fpos;
fpos = BMGetCurrFilePos();
hwnd = CrtDlgWndnls(" DOS Device Driver Header ",57,13);
charun = (drv.ddAttribute & 0x8000) == 0x8000;
if(charun) twPrintF("Device Name = %8s\n",drv.ddName);
else twPrintF("Device Supports %u Block Units\n",(unsigned)drv.ddName[0]);
twPrintF("Attributes :\n"
" [%c] STDIN\n"
" [%c] STDOUT\n"
" [%c] STDNUL\n"
" [%c] CLOCK\n"
" [%c] Support Logical Device\n"
" [%c] Support OPEN/CLOSE/RM\n"
" [%c] Non IBM Block-Device\n"
" [%c] Support IOCTL\n"
" Device is %s\n"
,GetBool(drv.ddAttribute & 0x0001)
,GetBool(drv.ddAttribute & 0x0002)
,GetBool(drv.ddAttribute & 0x0004)
,GetBool(drv.ddAttribute & 0x0008)
,GetBool(drv.ddAttribute & 0x0040)
,GetBool(drv.ddAttribute & 0x0800)
,GetBool(drv.ddAttribute & 0x2000)
,GetBool(drv.ddAttribute & 0x4000)
,(drv.ddAttribute & 0x8000 ? "CHARACTERS" : "BLOCKS"));
twSetColorAttr(dialog_cset.entry);
twPrintF(">STRATEGY routine offset = %04hXH bytes [Enter]",drv.ddStrategyOff);
twClrEOL(); twPrintF("\n");
twSetColorAttr(dialog_cset.altentry);
twPrintF(">INTERRUPT routine offset = %04hXH bytes [Ctrl+Enter | F5]",drv.ddInterruptOff);
twClrEOL();
while(1)
{
keycode = GetEvent(drawEmptyPrompt,NULL,hwnd);
if(keycode == KE_ENTER) { fpos = drv.ddStrategyOff; break; }
else
if(keycode == KE_CTL_ENTER || keycode == KE_F(5)) { fpos = drv.ddInterruptOff; break; }
else
if(keycode == KE_ESCAPE || keycode == KE_F(10)) break;
}
CloseWnd(hwnd);
return fpos;
}
static tBool __FASTCALL__ dossys_check_fmt( void )
{
unsigned char id[4];
tBool ret = False;
bmReadBufferEx(id,sizeof(id),0,BM_SEEK_SET);
if(id[0] == 0xFF && id[1] == 0xFF && id[2] == 0xFF && id[3] == 0xFF)
{
bmReadBufferEx((void *)&drv,sizeof(DOSDRIVER),4,BM_SEEK_SET);
ret = True;
}
return ret;
}
static void __FASTCALL__ dossys_init_fmt( void ) {}
static void __FASTCALL__ dossys_destroy_fmt(void) {}
static int __FASTCALL__ dossys_platform( void) { return DISASM_CPU_IX86; }
static tBool __FASTCALL__ dossys_AddressResolv(char *addr,unsigned long cfpos)
{
tBool bret = True;
if(cfpos < sizeof(DOSDRIVER)+4) sprintf(addr,"SYSH:%s",Get4Digit(cfpos));
else bret = False;
return bret;
}
static unsigned long __FASTCALL__ SYSHelp( void )
{
hlpDisplay(10014);
return BMGetCurrFilePos();
}
REGISTRY_BIN dossysTable =
{
"DOS driver",
{ "SYSHlp", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL },
{ SYSHelp, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL },
dossys_check_fmt,
dossys_init_fmt,
dossys_destroy_fmt,
ShowSysHeader,
NULL,
NULL,
dossys_platform,
NULL,
dossys_AddressResolv,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL
};
|
