Fix for Dracula's Shadow (DOS version) by M-HT
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This patched DOS executable fixes the SIGSEGV page fault error crashes in DOSBox.

M-HT wrote:

The cause of the crashes in the DOS version is a bug in the game code.
You can fix it by changing following bytes in file DracShadDOS.exe:

0003DB74: E7 -> E6
0003DB7B: EB -> EA
0003DB82: EF -> EE
0003DB8A: F3 -> F2
0003DBB2: E7 -> E6
0003DBB9: EB -> EA
0003DBC0: EF -> EE
0003DBC8: F3 -> F2
0003DBE6: E7 -> E6
0003DBED: EB -> EA
0003DBF4: EF -> EE
0003DBFC: F3 -> F2
0003DC1C: E7 -> E6
0003DC9D: E7 -> E6
0003DCCA: E7 -> E6

Source: https://www.vogons.org/viewtopic.php?p=1371208#p1371208