Last active
December 24, 2025 08:55
-
-
Save skull-squadron/e5f837736aecd573dc7b595b88212bcf to your computer and use it in GitHub Desktop.
Megafortress IBM PC DOS all versions (1.0, 1.1, 1.2) IFF code bypass
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| --- Megafortress IBM PC DOS all versions IFF code bypass --- | |
| Hex edit to the following: | |
| MEGA.EXE 1.0 (US or UK 1.44MB) SHA256: F5A8689AF21C3250F640B0F1BBD55DC36A2B9AE2A19DCA18C706C6C71463127E | |
| Offset 15D3A: 3B 56 FE 74 -> 89 56 FE EB | |
| New SHA256: CC6FB1F3CD136AEBB698CC9169C3728DC4152EE3B321A997B76D61021CA2D26B | |
| MEGA.EXE 1.1 (US or UK 1.44MB + 1.1 Patch, or with Mission Disk 1) SHA256: 489A331730CAE614F3DD87668E8EB083CE4C8CD6C6CEAD9A2050F8CCD24B3156 | |
| Offset 15CD5: 3B 56 FE 74 -> 89 56 FE EB | |
| New SHA256: 2A62D4C39110D812E14D3120FB1256375F2AEC09CFE7D2104EF8F5B6DBC79639 | |
| MEGA.EXE 1.2 (Mega Pak) SHA256: 8FE2F3FE658AAB2781D3BC9B9309F7957313CDD0CACC9B2C1156A96E35D83E61 | |
| Offset 16559: 3B 56 FE 74 -> 89 56 FE EB | |
| New SHA256: BE3B86BC82B02969F9DA3320C6090FBDC17C9C8234ACB0E06C3A80D93AEAFAEA | |
| MEGA.EXE 1.2 (Mission Disk 2) SHA256: 810D87DEE3DF988B38BE54860DC1281B4540983F703973E6352DD826257CAB3D | |
| Offset 16557: 3B 56 FE 74 -> 89 56 FE EB | |
| New SHA256: 9B18D411F56B634216D7CA98308FB27B53427A2F478D97EBB136DF3B9EE2E0F1 | |
| Source: Neverlock Universal '96 | |
| ---- Alternative (seems to crash whenever IFF is requested) | |
| MEGA.EXE 1.2 (Mission Disk 2) SHA256: 810D87DEE3DF988B38BE54860DC1281B4540983F703973E6352DD826257CAB3D | |
| Offset 15D3A: FE 40 89 07 -> 89 56 FE EB | |
| New SHA256: 820AE671C2A93523F2F96B2A20E1C2759E229EEAC58B5698D02599FF9B765634 | |
| Source: Darwin (Fairlight / Razor1911) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment