Re: Doom 'MBF' for DOS, Maintenance release 2.04

Posted on 2023-12-02, 11:57

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by MrFlibble

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Yes, sure. I attached the *.C files I have updated for MBF above with the EXE, and both EXE-s and MIDI.C have been updated with the looping fix recently. I have noticed a difference in volume between Tartar and MBF; don't know why it is there. Thanks a lot!!! Updated Hexen port builds should also …

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Re: Doom 'MBF' for DOS, Maintenance release 2.04

Posted on 2023-12-01, 20:04

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by MrFlibble

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Cool, thanks! Could you please share the code as well? Here's my attempt to merge your Tartar code that you posted earlier with MBF code, but I've not tested the looping part. I also think that the music sounds a bit louder and more clear in the build that you posted above.

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Re: Rare and lost demo/shareware releases wanted list

Posted on 2023-11-30, 18:46

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by MrFlibble

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I was browsing this site and found a link to a Spanish (?) developer called Traperic Software , who had several DOS-based projects that at least look interesting. Unfortunately, the Wayback Machine has not preserved the actual downloads. https://web.archive.org/web/20050214004131im_/http://traperic. …

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Re: Open source DOS games

Posted on 2023-11-30, 18:37

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by MrFlibble

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Added two more free games: Purple Martians Jetpack Joe

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Re: Doom 'MBF' for DOS, Maintenance release 2.04

Posted on 2023-11-27, 11:34

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by MrFlibble

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That said - DMXOPL likely uses the same secondary instrument tricks of GENMIDI format as Vanilla Doom does, and implementing those is very difficult in current version of Allegro - well, at least for me ;) . The result is that with DMX and MUSLib/MUSPlay more OPL chip channels are used than there …

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Re: Doom 'MBF' for DOS, Maintenance release 2.04

Posted on 2023-11-26, 13:18

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by MrFlibble

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Thanks! Seems to have done the trick. I'm attaching the newly compiled version + libre dogs. However, I've run a few more tests and listened more closely, and music with DMXOPL loaded in MBF with your library does not sound quite the same as in vanilla Doom / REKKR with the same version of DMXOPL. I …

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Re: Doom 'MBF' for DOS, Maintenance release 2.04

Posted on 2023-11-25, 11:48

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by MrFlibble

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I continued using your IBKs as test case and made some progress: 1. Have figured out OP2 loading code did not correctly read scale levels, which I (hopefully) fixed I've been testing the MBF build I'd compiled with your Allegro library, and I think I noticed an error in music playback. A note is …

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Re: Doom 'MBF' for DOS, Maintenance release 2.04

Posted on 2023-11-23, 15:24

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by MrFlibble

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Now THAT version is MUCH closer to Doom's music. :D BTW, today I realised that ludicrous_peridot 's modified Allegro can load and use DMXOPL versions higher than 1.11, and tried v2.11d , which sounds even better. However, the music is still off with REKKR (some notes sound too loud, etc.), so I'm …

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Re: Doom 'MBF' for DOS, Maintenance release 2.04

Posted on 2023-11-21, 12:13

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by MrFlibble

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Further to the experiments with the GENMIDI-reading version, I've just played some REKKR to check out how music works -- REKKR uses the GENMIDI lump from Freedoom 0.9-0.12. I tried both this and DMXOPL, and I must say that in both cases the OPL3 music sounds apaprently worse than with the stock Doom …

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Re: Open source DOS games

Posted on 2023-11-20, 14:08

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by MrFlibble

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Added the following games to the list: Puzzle Pits, The (GitHub) Space Portal WORDLOS WorDOS WorDOSle

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Re: Doom 'MBF' for DOS, Maintenance release 2.04

Posted on 2023-11-20, 13:36

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by MrFlibble

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While you are at it - maybe worth checking out the setup.exe that's built from the sources of liballegro I've shared? This one doesn't have Doom assets anymore, although the background is based on a Cramack's drawing. I have just built MBF with your library, including the latest fixes from ADLIB.C …

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Re: Dune II HD port at last!

Posted on 2023-11-20, 13:27

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by MrFlibble

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Yeah, those were fun times 😄

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Re: Doom 'MBF' for DOS, Maintenance release 2.04

Posted on 2023-11-19, 12:56

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by MrFlibble

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In the meantime, I imported Nash's CC-BY dog sprites and CC0/CC-BY dog sounds from GZDoom to replace the Wolfenstein 3-D dogs: https://i.imgur.com/3DEDezZ.png https://i.imgur.com/xCpghKZ.png This MBF.EXE is compiled with the latest fixes to the Allegro library and compressed with UPX 1.20 . I've …

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Re: Doom 'MBF' for DOS, Maintenance release 2.04

Posted on 2023-11-18, 12:22

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by MrFlibble

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I continued using your IBKs as test case and made some progress: Great, that sounds pretty cool! Not sure why this transposition occurred in your IBK-s, it's almost like the converter was implying this will be later transposed down? I'm not sure as well. But I'm assuming that the original IBK …

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Re: Dune II HD port at last!

Posted on 2023-11-18, 11:30

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by MrFlibble

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Congrats on the release!

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Re: Doom 'MBF' for DOS, Maintenance release 2.04

Posted on 2023-11-15, 17:12

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by MrFlibble

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Listening to the two, I'd say, while they sound different, a lot of it seems to come from pitch difference Yes, that's exactly how I hear the difference as well. Just to clarify, the Allegro version you're using in Tartar is based on gerwin 's one from MBF here, right? It seems like gerwin 's edits …

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Re: Random free game findings

Posted on 2023-11-15, 13:58

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by MrFlibble

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Recently I've stumbled across quite obscure DOS games that have Amiga connections, but very little information in them is available: (The) Puzzle Pits / Puzzle Pits '95 , which I found via dosgames.com . It's a Soko-Ban variant with a plot of sorts, in a fantasy setting. I got stuck in one level and …

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Re: Doom 'MBF' for DOS, Maintenance release 2.04

Posted on 2023-11-15, 12:49

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by MrFlibble

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So, I have done some clean-up and ensured that for percussion note offset is taken into account same as it was done for instruments, and listened again and reuploaded in the post above. I still find percussion somewhat off, but at this stage I don't have any smart way of testing this and with my …

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Re: Doom 'MBF' for DOS, Maintenance release 2.04

Posted on 2023-11-14, 17:19

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by MrFlibble

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This is the same function, but it's called differently for the two cases, so make sure you have the two configs and they point to appropriate IBKs. MBF only loads instruments bank on its own (i.e. without the additional config options), as Doom and Doom 2 have same percussion. The banks can be …

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Re: Doom 'MBF' for DOS, Maintenance release 2.04

Posted on 2023-11-14, 12:33

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by MrFlibble

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Today I looked closely at the instrument values as displayed in SBTimbre and in OPL3BankEditor, and concluded that there are no conversion errors. Then I opened up the original MBF 2.03 maintenance release from 1999 and ran a small test with the converted IBK files. As I expected, at least the …

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