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Avoid having two PC targets.

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This commit is contained in:
Thomas Harte 2023-12-05 14:18:10 -05:00
parent 40de0189d9
commit 711575bf69
2 changed files with 24 additions and 6 deletions
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18
Analyser/Static/FAT12/StaticAnalyser.cpp
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@ -25,9 +25,9 @@ Analyser::Static::TargetList Analyser::Static::FAT12::GetTargets(const Media &me
// Total list of potential platforms is:
//
// * the Enterprise;
// * the Enterprise (and, by extension, CP/M-targetted software);
// * the Atari ST;
// * the MSX; and
// * the MSX (ditto on CP/M); and
// * the PC.
//
// (though the MSX and Atari ST don't currently call in here for now)
@ -82,8 +82,18 @@ Analyser::Static::TargetList Analyser::Static::FAT12::GetTargets(const Media &me
}
// TODO: look for a COM, EXE or BAT, inspect. AUTOEXEC.BAT and/or CONFIG.SYS could be either PC or MSX.
// Disassembling the boot sector doesn't necessarily work, as several Enterprise titles seem to have been
// imaged, or possibly created, by WINIMAGE which adds a PC-style boot sector.
// Disassembling the boot sector doesn't necessarily work, as several Enterprise titles out there in the wild seem
// to have been created by WINIMAGE which adds an x86 PC-style boot sector.
// Enterprise notes: EXOS files all start with a 16-byte header which should begin with a 0 and then have a type
// byte that will be 0xa or lower; cf http://epbas.lgb.hu/readme.html
//
// Some disks commonly passed around as Enterprise software are actually CP/M software, expecting IS-DOS (the CP/M
// clone) to be present. It's certainly possible the same could be true of MSX disks and MSX-DOS. So analysing COM
// files probably means searching for CALL 5s and/or INT 21hs, if not a more rigorous disassembly.
//
// I have not been able to locate a copy of IS-DOS so there's probably not much that can be done here; perhaps I
// could redirect to an MSX2 with MSX-DOS2? Though it'd be nicer if I had a machine that was pure CP/M.
// Being unable to prove that this is a PC disk, throw it to the Enterprise.
return Analyser::Static::Enterprise::GetTargets(media, file_name, platforms);

12
Analyser/Static/StaticAnalyser.cpp
View File

@ -183,8 +183,16 @@ static Media GetMediaAndPlatforms(const std::string &file_name, TargetPlatform::
Format("ima", result.disks, Disk::DiskImageHolder<Storage::Disk::FAT12>, TargetPlatform::PCCompatible) // IMG (MS-DOS style)
Format("image", result.disks, Disk::DiskImageHolder<Storage::Disk::MacintoshIMG>, TargetPlatform::Macintosh) // IMG (DiskCopy 4.2)
Format("img", result.disks, Disk::DiskImageHolder<Storage::Disk::MacintoshIMG>, TargetPlatform::Macintosh) // IMG (DiskCopy 4.2)
Format("img", result.disks, Disk::DiskImageHolder<Storage::Disk::FAT12>, TargetPlatform::FAT12) // IMG (Enterprise or MS-DOS style)
Format("img", result.disks, Disk::DiskImageHolder<Storage::Disk::PCBooter>, TargetPlatform::PCCompatible) // IMG (PC raw booter)
// Treat PC booter as a potential backup only if this doesn't parse as a FAT12.
if(extension == "img") {
try {
Insert(result.disks, Disk::DiskImageHolder<Storage::Disk::FAT12>, TargetPlatform::FAT12, file_name) // IMG (Enterprise or MS-DOS style)
} catch(...) {
Format("img", result.disks, Disk::DiskImageHolder<Storage::Disk::PCBooter>, TargetPlatform::PCCompatible) // IMG (PC raw booter)
}
}
Format( "ipf",
result.disks,
Disk::DiskImageHolder<Storage::Disk::IPF>,