bool
PRGArchive::isPRGFile(const char *filename)
{
assert(filename != NULL);
if (!checkFileSuffix(filename, ".PRG") && !checkFileSuffix(filename, ".prg"))
return false;
if (!checkFileSize(filename, 2, -1))
return false;
return true;
}
bool
TAPFile::isTAPFile(const char *filename)
{
assert (filename != NULL);
if (!checkFileSuffix(filename, ".TAP") && !checkFileSuffix(filename, ".tap") &&
!checkFileSuffix(filename, ".T64") && !checkFileSuffix(filename, ".t64"))
return false;
if (!checkFileSize(filename, 0x15, -1))
return false;
if (!checkFileHeader(filename, magicBytes))
return false;
return true;
}
bool
Cartridge::isCRTFile(const char *filename)
{
int magic_bytes[] = { 'C','6','4',' ','C','A','R','T','R','I','D','G','E',' ',' ',' ',EOF };
assert(filename != NULL);
if (!checkFileSuffix(filename, ".CRT") && !checkFileSuffix(filename, ".crt"))
return false;
if (!checkFileSize(filename, 0x40, -1))
return false;
if (!checkFileHeader(filename, magic_bytes))
return false;
return true;
}
bool
T64File::isT64File(const char *path)
{
assert(path != NULL);
if (!checkFileSuffix(path, ".T64") && !checkFileSuffix(path, ".t64"))
return false;
if (TAPFile::isTAPFile(path)) // Note: TAP files have a very similar header
return false;
if (!checkFileSize(path, 0x40, -1))
return false;
if (!checkFileHeader(path, magicBytes))
return false;
return true;
}
bool
G64Archive::isG64File(const char *filename)
{
/* "GCR-1541" + Version number (0x00) */
int magic_bytes[] = { 0x47, 0x43, 0x52, 0x2D, 0x31, 0x35, 0x34, 0x31, 0x00, EOF };
assert(filename != NULL);
if (!checkFileSuffix(filename, ".G64") && !checkFileSuffix(filename, ".g64"))
return false;
if (!checkFileSize(filename, 0x02AC, -1))
return false;
if (!checkFileHeader(filename, magic_bytes))
return false;
return true;
}
bool
T64Archive::isT64File(const char *filename)
{
/* "Anmerkung: Der String muß nicht wortwörtlich so vorhanden sein. Man sollte nach den Substrings "C64" und "tape" suchen. Vorsicht: TAP Images verwenden den String: C64-TAPE-RAW der ebenfalls die Substrings "C64" und "TAPE" enthält." [Power64 doc]
TODO: Make sure that the archive is not a TAP file. */
int magic_bytes[] = { 0x43, 0x36, 0x34, EOF };
assert(filename != NULL);
if (!checkFileSuffix(filename, ".T64") && !checkFileSuffix(filename, ".t64"))
return false;
if (!checkFileSize(filename, 0x40, -1))
return false;
if (!checkFileHeader(filename, magic_bytes))
return false;
return true;
}
