By Matthew S. Fell [with revisions by Steve Benner].
DOOM EXE revisions
The DOOM executable file (and associated IWAD) has undergone various revisions. The table below summarises these. |
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Known public releases of DOOM | |||
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Version | Called | Date and Time | Is |
1.0 | DOOM.EXE | 10 Dec 93, 01:00 | first release (aka DOOM Operating System 0.99) |
1.1 | DOOM.EXE | 16 Dec 93, 01:10 | slightly different from 1.0, newer dos extender |
1.2 | DOOM.EXE | 17 Feb 94, 01:20 | modem play added! |
1.3 | DOOM.EXE | - - | unauthorized beta release |
1.4 | DOOM.EXE | 28 Jun 94, 01:04 | shareware beta |
1.5 | DOOM.EXE | ?? Jul 94, ? | shareware beta |
1.6 | DOOM.EXE | 03 Aug 94, 01:06 | shareware beta |
1.666 | DOOM.EXE | 01 Sep 94, 16:42 | registered full upgrade |
1.666 | DOOM2.EXE | 30 Aug 94, 13.00 | DOOM II |
1.7 | DOOM2.EXE | ? ? | hastily released fix to DOOM II |
1.7a | DOOM2.EXE | ? ? | identical to 1.7 but with a telephone number changed in the "info" screen! |
1.8 | DOOM2.EXE | ? ? | another bug fixed final version! |
1.9 | DOOM.EXE DOOM2.EXE | 01 Feb 95, 01.09 | absolutely the last ever final version of the DOOM executable code. Identical executable code is now supplied with DOOM and DOOM II. |
1.9 | DOOM.EXE | ? ? | The Ultimate DOOM. Well! What d'ya know? Another absolutely the last ever final version of DOOM. This release includes a new Episode 4 (Thy Flesh Consumed) in the IWAD. |
Recognised versions
id Software recognise 5 releases of DOOM and provides a series of patches to permit progressive upgrade to the next version:
DOOM II can be patched from 1.666 to 1.9. Appendix 3 contains additional miscellany about what has changed from version to version.
Heretic EXE revisions
Although based on the original DOOM.EXE, the Heretic executable file (and associated IWAD) is completely different from it. Like its forebear, Heretic has also undergone various revisions. The table below summarises these. |
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Known public releases of Heretic | |||
Version | Called | Date and Time | Is |
??? | HERETIC.EXE | 23 Dec 94, ??.?? | Time-limited beta-test release, containing the first four levels of episode 1, expired 25 Dec 94 (cruel, or wot?) |
1.0 | HERETIC.EXE | 27 Dec 94, 1.31 | 1st shareware and registered release |
1.0 | XXRTIC.EXE | 28 Dec 94, 14.08 | CD-ROM full release |
1.1 | HERETIC.EXE | ? ? | bug-fixed release |
1.2 | HERETIC.EXE | ? ? | second bug-fixed release |
As with DOOM, patches are available to bring all versions up to the latest.
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