Re: F-15 Strike Eagle II - startup command line options?

Posted on 2016-10-18, 16:52

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by ripsaw8080

in Milliways

in Milliways

The information you seek would be in the game's documentation, if anywhere. There are currently several listings for the game on eBay, so it's not exactly rare or hard to find. If you bought the game in electronic form from GoG or Steam or the like then ask them for documentation. Good luck. Thread …

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Re: Emulating Monochrome/VGA Multi-Screen setup?

Posted on 2016-10-18, 04:39

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by ripsaw8080

in DOSBox Development

in DOSBox Development

Hmm, I wonder if it watches the emulated video memory or the functions that write to it. If the former then SVN is probably throwing a wrench in the works. 😦

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Re: Double-height and double-width

Posted on 2016-10-15, 23:52

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by ripsaw8080

in DOSBox Development

in DOSBox Development

There are features of the vgaonly machine type other than double-scanning that are useful for some games, such as video blanking. Don't take my point about demoscene productions too far; after all, the scene had a very definite crossover into games. If adoption into official source is a goal then it …

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Re: Double-height and double-width

Posted on 2016-10-15, 22:44

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by ripsaw8080

in DOSBox Development

in DOSBox Development

The vgaonly machine type emulates certain details of real VGA cards that other VGA machine types do not. VGA has two basic scan types: 400 lines at ~70 Hz, and 480 lines at ~60 Hz; with most standard video modes based around these. In the case of 320x200, it is double-scanned to 400 lines, and the …

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Re: Debugger question

Posted on 2016-10-15, 18:54

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by ripsaw8080

in DOSBox Development

in DOSBox Development

I split your question into a separate thread because it really has nothing to do with the thread you posted it in. The most common and likely reason a constant word value changes under execution is that it is a relocated segment within an EXE format executable. With relocation, the load segment is …

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Re: Hired Guns and the Great Gravis Ultrasound Mystery!

Posted on 2016-10-15, 12:18

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by ripsaw8080

in Milliways

in Milliways

I tried Cloudschatze's solution using DOSBox: after replacing the included 1.06a version of ULTRAMID.EXE in the game's EXECUTE subdirectory with the 1.00 version, I then ran HG.BAT to start the game as usual. There was no music at all, but GUS sound effects were still working. After some …

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Re: Set SVGA 54h/55h Text Mode or Change VESA Text Mode Font Sizes

Posted on 2016-10-14, 19:19

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by ripsaw8080

in DOSBox General

in DOSBox General

Update: Just tried Dosbox-X, same problem as in Daum. The bottom part with the message is missing. I attached a screenshot. Strange ... SVN has improvements related to updating certain BIOS and video hardware parameters after a font is loaded; those might not have been adopted elsewhere (yet). But …

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Re: Set SVGA 54h/55h Text Mode or Change VESA Text Mode Font Sizes

Posted on 2016-10-14, 18:31

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by ripsaw8080

in DOSBox General

in DOSBox General

is the 8-line font thing actually normal for the 132x43 mode? Or is that a special property of the S3 card? The 8-line font is quite normal for anything more than 25 rows of text, except perhaps on specialized displays such as portrait orientation types used for word processing. If you are …

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Re: Set SVGA 54h/55h Text Mode or Change VESA Text Mode Font Sizes

Posted on 2016-10-14, 15:35

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by ripsaw8080

in DOSBox General

in DOSBox General

Now while this might seem like a logical thing to do at first, it does cause a problem. As an example, the program VACSID (which is something like Cubic Player, but for SID files) has a 132x43 mode (it doesn't support 132x50 or 132x60) which doesn't work properly because of this (it computes the …

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Re: How to make a Pacman game on MS-DOS??

Posted on 2016-10-11, 20:36

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by ripsaw8080

in DOS

in DOS

You can try looking at how someone else did it: http://www.deathshadow.com/pakuPaku (game archive contains source code)

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Re: Remapping FF (Alt-F12) in Dosbox

Posted on 2016-10-08, 17:13

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by ripsaw8080

in DOSBox General

in DOSBox General

some other way I can send the key combination without invoking Fast Forward Click on the "Speedlock" event in the mapper then click on "Del". After deleting the existing binding, you can bind to some other key if you still need the feature. You may also need to do it for the "Inc Cycles" event …

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Re: DOS Game - Bombs and Bugs

Posted on 2016-10-08, 14:48

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

Yeah, file hosts are not terribly reliable. MediaFire is still around, but despite being demonstrably shareware the file got deleted. Attaching a shareware game to a post isn't strictly against the forum rules because it's not illegal to distribute. However, it's not really the forum's purpose to …

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Re: Does X-Com (199..3?) not use MPU-401?

Posted on 2016-10-08, 05:32

by

by ripsaw8080

in DOS

in DOS

The official v1.4 patch for X-Com is actually what causes the MT-32/LAPC-I music to no longer work. There is an unofficial patch to get it working in v1.4, which may be what bjt refers to.

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Re: Suggestion: Enable forum theme change

Posted on 2016-10-07, 09:12

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by ripsaw8080

in Milliways

in Milliways

Good idea. The thing about good ideas, though, is that they tend to require someone's hard work to realize.

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Re: Corrupt VGA Graphics, Please Help Me

Posted on 2016-10-06, 13:00

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by ripsaw8080

in DOSBox Development

in DOSBox Development

The Windows NTVDM (what you call Windows XP DOS) uses the hardware and BIOS of the host video card more-or-less directly, so the GT240 is the source of your problems. DOSBox emulates video hardware and BIOS and thus doesn't suffer from the host video card's lack of compatiblity with old software. If …

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Re: Street Fighter 1 CGA

Posted on 2016-10-02, 13:49

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

The CGA mode works for me: SF /C If it doesn't work for you then you may have an EGA-only version. I also suggest machine=cga if using the game's CGA graphics, because it makes use of red in place of magenta in mode 5.

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Re: Dosbox help

Posted on 2016-09-29, 21:00

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by ripsaw8080

in DOSBox General

in DOSBox General

medieval wrote: can you imagine a DOS aquarium? El-Fish?

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Re: Graphic Glitch with Planet Soccer/Planet Football

Posted on 2016-09-29, 13:42

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

Rather than messed up colors, the action portion of the game doesn't work at all in PCem, Bochs, and the NTVDM. Just one of the reasons that pirated copies of games aren't supported here. Acquire a legit copy on eBay or the like, which is less likely to be broken.

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Re: Is there a thread or page someone can link me to that details exactly all aspects of setting up games in Dosbox?

Posted on 2016-09-27, 10:04

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by ripsaw8080

in DOSBox General

in DOSBox General

But if you have the original CD versions of games like LSL6, SQ6 or KQ7 like I do, it's a royal pain in the ass to make the original Retail disc work. I'm still not sure why you would say that. You set them up just like any other DOS game. I'm not going to repeat myself again. Try it yourself if …

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Re: Did you change MIDI somewhere?

Posted on 2016-09-23, 10:25

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by ripsaw8080

in DOSBox Development

in DOSBox Development

Tried Altered Destiny and Waxworks with current source and their MIDI options are working okay for me with default settings. Since you didn't mention it, are you using the default cycles=auto setting? I ask because MPU detection stuff can be sensitive to timing.

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