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
|
/*
Copyright 2022-2023 Gabriel Bjørnager Jensen.
This file is part of agbsum.
agbsum is free software: you can redistribute it
and/or modify it under the terms of the GNU
Affero General Public License as published by
the Free Software Foundation, either version 3
of the License, or (at your option) any later
version.
agbsum 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 Affero General Public License for more
details.
You should have received a copy of the GNU
Affero General Public License along with agbsum.
If not, see <https://www.gnu.org/licenses/>.
*/
#include <agbsum.h>
#include <limits.h>
#include <stdint.h>
#include <stdio.h>
#if CHAR_BIT != 0x8
#error "agbsum only support 8-bit byte systems"
#endif
int main (int const argc, char const* const* const argv)
{
struct agb_Data data;
agb_initdata (&data);
agb_checkParams (&data, argc, argv);
data.image = agb_open (data.path);
char unsigned buffer[agb_sumOffset + 0x1];
agb_read (buffer, data.image);
{
char unsigned const sum = agb_getSum (buffer);
char unsigned const imageSum = buffer[agb_sumOffset];
if (imageSum == sum || !data.doPatch) {
// Don't patch the ROM if it's already okay or we're not allowed to.
if (!data.silent) {printf ("\"%s\": %hhX (%hhX in file)\n", data.path, sum, imageSum);}
agb_exit (agb_Cnd_Ok, data.image);
}
agb_patch (data.image, sum);
// If we aren't supposed to print anything then
// don't.
if (!data.silent) { printf ("\"%s\" @ %zX: %hhX => %hhX\n", data.path, agb_sumDataStart + agb_sumOffset, imageSum, sum); }
}
agb_exit (agb_Cnd_Ok, data.image);
}
|
