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Re: Are there games that run playable on a XT 8088 PC can take advantage of either EMS or UMB?

Posted on 2022-01-05, 20:02

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

clb wrote on 2022-01-03, 14:19: (not sure what Keen uses EMS for, but at least it does detect its presence at startup: https://i.postimg.cc/x80c8kgq/keen5.png ). Commander Keen 4-6 just uses EMS to have an extra 64 KB of memory to store graphics and sound, etc. It doesn't do bank switching.

Re: Analyzing videos from origin DOS game

Posted on 2021-09-11, 12:39

in DOS

in DOS

The format is missing in FFmpeg https://wiki.multimedia.cx/index.php/Origin_Flic_Codec

Re: PowerBASIC 3.5 help system (printing/screen capturing)

Posted on 2021-09-09, 12:39

in DOSBox General

in DOSBox General

You could run it in DOSBox debugger and dump the memory at 0xB800:0000. And then remove every other byte.

Re: Does anybody know any secrets/hidden content in prehistoric (dos)

Posted on 2021-08-31, 11:07

in Marvin \ Software

in Marvin \ Software

Actually, there are two secret areas in level 1. There's also some secret food at the start of level 3 iirc; just smash every empty space. The level information is stored in such an awkward way that it is practically unmoddable. Each level has its own (mostly copy-pasted) code routine with a lot of …

Re: FastDoom. A new Doom port for DOS, optimized to be as fast as possible for 386/486 personal computers!

Posted on 2021-02-28, 19:41

in Release Announcements

in Release Announcements

And Doom II:

Re: FastDoom. A new Doom port for DOS, optimized to be as fast as possible for 386/486 personal computers!

Posted on 2021-02-28, 19:39

in Release Announcements

in Release Announcements

Doom CGA? Let's see what CGAArt makes of it:

Re: Best tools for disassembling/debugging Win 3.1 games?

Posted on 2021-02-09, 17:47

in Marvin \ Software

in Marvin \ Software

Open the executable in IDA Free 4.1, click on File->Save database as... Now you have a .idb file that you can open with IDA Free 5.0.

Re: Best tools for disassembling/debugging Win 3.1 games?

Posted on 2021-02-07, 16:10

in Marvin \ Software

in Marvin \ Software

I had success with IDA Free 4.1 in the end. I thought it wouldn't be useful since it runs in a console, but it disassembled the Win 3.1 executables I wanted to manipulate fine. I only use IDA Free 4.1 to disassemble an executable and then I use a newer version with a graphical user interface that …

Re: Music of The Incredible Machine

Posted on 2021-01-25, 18:06

in Milliways

in Milliways

Looks like original compositions: http://www.vgmpf.com/Wiki/index.php?tit ... hine_(DOS)

Re: FastDoom. A new Doom port for DOS, optimized to be as fast as possible for 386/486 personal computers!

Posted on 2020-12-31, 16:35

in Release Announcements

in Release Announcements

This is a quote from Game Engine Black Book: DOOM. Collisions could have been detected via the BSP. However it was only after Bruce Naylor visited id Software that John Carmack became aware this was possible. By then, DOOM had already shipped with its collision detection data structure called the …

Re: How did scrolling work in Keen 4-6?

Posted on 2020-12-20, 17:11

in Milliways

in Milliways

Have we gained any programming technique or intelligence over the past 30 years that could enable the CGA scrolling to be done better now? or are the hardware limitations already exhaustively explored? If by "better" you mean more than 4 colors, there's VileR's Commander Keen 4 Composite CGA Patch …

Re: Sound Driver Pack

Posted on 2020-12-08, 22:21

in DOSBox Games/Apps

in DOSBox Games/Apps

"2 BE OR NOT PC" is part of the Level Select cheat.

Re: Sound Driver Pack

Posted on 2020-12-08, 18:21

in DOSBox Games/Apps

in DOSBox Games/Apps

Akuma wrote on 2020-12-03, 13:23: 2020-12-03 Added: Oscar (1993) Flair Software Ltd. What about the very similar game Trolls?

Re: AVOID the GT Software CD release of Corridor 7: Alien Invasion

Posted on 2020-12-08, 17:51

in DOS

in DOS

shamino wrote on 2020-12-01, 00:24: I didn't know id was licensing out their FPS game engines to 3rd parties even that far back. Even before that, Apogee used the Commander Keen engine for Bio Menace.

Re: Newly written driver(s) for Sierra's Creative Interpreter – Starting with Plantronics ColorPlus

Posted on 2020-09-25, 19:53

in Marvin \ Video

in Marvin \ Video

There's a freeware version of IDA.

Re: AdLib's 'sound.com' vs Creative's 'sb-sound.com' driver or dosbox issue ?

Posted on 2020-09-19, 22:37

in DOSBox Games/Apps

in DOSBox Games/Apps

And those needing CT-VOICE.DRV Elf Land - Volume One - Carl Erikson (1992) Eye of the Storm - Rebellion (1994) Elvira the Arcade Game (1991)(Flair) Innocent Until Caught - Divide By Zero (1993) Pizza Connection - Software 2000 (1995) (German original only) Prehistorik - Titus (1991) Stick Fighter 1 …

Re: FastDoom 0.3. A new Doom port for DOS, optimized to be as fast as possible for 386/486 personal computers!

Posted on 2020-06-30, 20:35

in Release Announcements

in Release Announcements

Well, the DMX source code can be found on the Internet, somewhere.

Re: FastDoom 0.3. A new Doom port for DOS, optimized to be as fast as possible for 386/486 personal computers!

Posted on 2020-06-28, 19:23

in Release Announcements

in Release Announcements

Is Doom faster when it uses a chained hash table instead of linear search?

Re: How did people draw on their PCs in the 80s and the 90s?

Posted on 2020-03-29, 19:42

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Here's a video of id Software using Deluxe Paint II and a tablet to draw Wolfenstein 3D graphics.

Re: Request for custom dos Cheat codes

Posted on 2020-03-09, 20:38

in DOS

in DOS

Have you already checked to see if these games have built-in cheats? I'm sure they're documented online somewhere. In thirty seconds I found for Thexder: http://sierrachest.com/index.php?a=games&id=42&title=thexder&fld=cheats I think that's for a different game: Thexder for Windows 95.

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