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
|
/*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* Copyright (C) 2002-2021 The DOSBox Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "program_loadfix.h"
#include "dosbox.h"
#include "shell.h"
#include "string_utils.h"
void LOADFIX::Run(void)
{
if (HelpRequested()) {
WriteOut(MSG_Get("PROGRAM_LOADFIX_HELP_LONG"));
return;
}
uint16_t commandNr = 1;
uint16_t kb = 64;
if (cmd->FindCommand(commandNr, temp_line)) {
if (temp_line[0] == '-' || temp_line[0] == '/') {
const auto ch = std::toupper(temp_line[1]);
if ((ch == 'D') || (ch == 'F')) {
// Deallocate all
DOS_FreeProcessMemory(0x40);
WriteOut(MSG_Get("PROGRAM_LOADFIX_DEALLOCALL"),kb);
return;
} else {
// Set mem amount to allocate
kb = atoi(temp_line.c_str()+1);
if (kb==0) kb=64;
commandNr++;
}
}
}
// Allocate Memory
uint16_t segment;
uint16_t blocks = kb*1024/16;
if (DOS_AllocateMemory(&segment,&blocks)) {
DOS_MCB mcb((uint16_t)(segment-1));
mcb.SetPSPSeg(0x40); // use fake segment
WriteOut(MSG_Get("PROGRAM_LOADFIX_ALLOC"),kb);
// Prepare commandline...
if (cmd->FindCommand(commandNr++,temp_line)) {
// get Filename
char filename[128];
safe_strcpy(filename, temp_line.c_str());
// Setup commandline
char args[256+1];
args[0] = 0;
bool found = cmd->FindCommand(commandNr++,temp_line);
while (found) {
if (safe_strlen(args)+temp_line.length()+1>256) break;
safe_strcat(args, temp_line.c_str());
found = cmd->FindCommand(commandNr++,temp_line);
if (found)
safe_strcat(args, " ");
}
// Use shell to start program
DOS_Shell shell;
shell.Execute(filename,args);
DOS_FreeMemory(segment);
WriteOut(MSG_Get("PROGRAM_LOADFIX_DEALLOC"),kb);
}
} else {
WriteOut(MSG_Get("PROGRAM_LOADFIX_ERROR"),kb);
}
}
void LOADFIX::AddMessages() {
MSG_Add("PROGRAM_LOADFIX_HELP_LONG",
"Loads a program in the specific memory region and then runs it.\n"
"\n"
"Usage:\n"
" [color=green]loadfix[reset] [color=cyan]GAME[reset] [color=white][PARAMETERS][reset]\n"
" [color=green]loadfix[reset] [/d] (or [/f])[reset]\n"
"\n"
"Where:\n"
" [color=cyan]GAME[reset] is a game or program to be loaded, optionally with parameters.\n"
"\n"
"Notes:\n"
" The most common use cases of this command are to fix DOS games or programs\n"
" which show either the \"[color=white]Packed File Corrupt[reset]\" or \"[color=white]Not enough memory\"[reset] (e.g.,\n"
" from some 1980's games such as California Games II) error message when run.\n"
" Running [color=green]loadfix[reset] without an argument simply allocates memory for your game\n"
" to run; you can free the memory with either /d or /f option when it finishes.\n"
"\n"
"Examples:\n"
" [color=green]loadfix[reset] [color=cyan]mygame[reset] [color=white]args[reset]\n"
" [color=green]loadfix[reset] /d\n");
MSG_Add("PROGRAM_LOADFIX_ALLOC", "%d kB allocated.\n");
MSG_Add("PROGRAM_LOADFIX_DEALLOC", "%d kB freed.\n");
MSG_Add("PROGRAM_LOADFIX_DEALLOCALL","Used memory freed.\n");
MSG_Add("PROGRAM_LOADFIX_ERROR","Memory allocation error.\n");
}
|
