SabreTools/BinaryObjectScanner
1
0
Fork 0
mirror of https://github.com/SabreTools/BinaryObjectScanner.git synced 2026-07-21 08:15:04 +00:00
Code Issues 295 Packages Projects Releases 20 Wiki Activity

Improve Alpha-ROM detection (#152)

Browse Source 
Check for an existing string in the overlay as well as the .data section.
This commit is contained in:
TheRogueArchivist
2022-08-30 21:10:56 -06:00
committed by GitHub
parent baad181e5f
commit 61a2181924
1 changed files with 17 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
BurnOutSharp/ProtectionType/AlphaROM.cs
View File

@@ -22,10 +22,11 @@ namespace BurnOutSharp.ProtectionType
/// https://archive.org/details/little-busters-regular-edition-iso-only-2007
/// Games that may have Alpha-ROM:
/// http://cpdb.kemuri-net.com/ (Protection database that includes many different protections, including Alpha-ROM).
/// https://w.atwiki.jp/tirasinoura/pages/3.html (List of games with Alpha-ROM, and explains some version differences).
/// https://vndb.org/r?f=fwSiglusEngine- (VNs made with an engine known to use Alpha-ROM).
/// https://vndb.org/r?f=fwRealLive- (VNs made with an engine known to use Alpha-ROM).
/// References and further information:
/// http://hhg.sakura.ne.jp/cd-dvd/dust/alpha/1_twin_sector.htm
/// http://hhg.sakura.ne.jp/cd-dvd/dust/alpha/alpha_index.htm
/// https://www.weblio.jp/content/Alpha-ROM
/// https://ameblo.jp/michael-j-fox/entry-10046574609.html
/// http://s2000.yokinihakarae.com/sub03-10-2(DVD).html
@@ -61,8 +62,6 @@ namespace BurnOutSharp.ProtectionType
// \SETTEC
new ContentMatchSet(new byte?[] { 0x5C, 0x53, 0x45, 0x54, 0x54, 0x45, 0x43 }, "Alpha-ROM"),
// On Redump entry 84122, this string is found within an executable, but outside the bounds of any section. Thus, it currently remains undetected.
// Worth noting is that all the section names, aside from .text, seem to be purposefully expunged.
// SETTEC0000
new ContentMatchSet(new byte?[] { 0x53, 0x45, 0x54, 0x54, 0x45, 0x43, 0x30, 0x30, 0x30, 0x30 }, "Alpha-ROM"),
};
@@ -116,6 +115,21 @@ namespace BurnOutSharp.ProtectionType
return match;
}
// Get the overlay data, if it exists
if (pex.OverlayRaw != null)
{
var matchers = new List<ContentMatchSet>
{
// Found in Redump entry 84122.
// SETTEC0000
new ContentMatchSet(new byte?[] { 0x53, 0x45, 0x54, 0x54, 0x45, 0x43, 0x30, 0x30, 0x30, 0x30 }, "Alpha-ROM"),
};
string match = MatchUtil.GetFirstMatch(file, pex.OverlayRaw, matchers, includeDebug);
if (!string.IsNullOrWhiteSpace(match))
return match;
}
return null;
}
}