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Re: CGA Composite Mode under DOSBOX?

Posted on 2012-04-20, 21:48

Blue Angels needs +140° hue offset in DOSBox to look similar to Servo's screenshots; the no-offset default colors are awful. That's a rather large adjustment when most games need little if any... You can also see the filtered grays in Demon's Forge (link)

Re: CGA Composite Mode under DOSBOX?

Posted on 2012-04-18, 22:00

Not that it matters very much, but I don't know if three states are really necessary (on/off/auto) - it would also be possible to always let DOSBox do its auto-detection, then the key event would just act as a "virtual switchbox" to toggle between RGB and composite output. That would be annoying in …

Re: CGA Composite Mode under DOSBOX?

Posted on 2012-04-18, 16:08

The attached patch is an implementation of the keybind approach with composite auto/on/off logic. As a framework, I think it's fairly complete; but an accurate lowres palette algorithm still needs to be implemented, of course. I've also attached a Win32 build of current source with the patch applied …

Re: CGA Composite Mode under DOSBOX?

Posted on 2012-04-17, 17:53

DOSBox used to get by with a humble machine=vga config setting, and now it has several VGA machine sub-types to choose from. With that in mind, and that Qbix wrote "at the moment", I think that a separate machine setting is not permanently off the table. But in any case, how RGB or composite output …

Re: Sound handling

Posted on 2012-04-17, 16:12

I assure you that DOSBox is not trying to be smart about which type of sound to use, and is only doing what the game software tells it to do. Some games may not offer a way to disable sound effects, falling back on speaker if you don't select SB for example. You have the option of using DOSBox's …

Re: Tekwar Cutscenes

Posted on 2012-04-17, 11:36

The stuttering seems to be related to SB sound. With default settings in DOSBox, if the game is configured for SBPro digital sound the stuttering of the Smacker movies is eliminated on my system. I hear a metronomic soft popping sound in the right channel, so not a perfect solution, but I think it's …

Re: Settlers II Gold mouse problem

Posted on 2012-04-15, 16:04

The game is happy with a flipping mickey counter ? (when it becomes to large it will now flip). Seems quite happy with it. An upper and lower limit is no good because if you hit the limit while the pointer is in the middle of the screen it can't go further, but when wrapping around in parallel with …

Re: Gunship - locking up when saving

Posted on 2012-04-15, 09:39

Are you sure that DOSBox has write access to the game directory and that the pilot roster files are not marked as read-only? Does any message appear in the Status Window? 429.05 has key-disk copy protection, so have you applied some kind of crack for that? BTW, this game appears to have the same …

Re: MS Space Simulator will not work.

Posted on 2012-04-14, 20:54

I have changed the commands that are not needed into REM statements. You forgot to REM out SMARTDRV, because it's absolutely not needed. Your procedure is unnecessarily involved, and because you don't mention the installation process at all, I'm guessing that not properly installing the game is the …

Re: Settlers II Gold mouse problem

Posted on 2012-04-14, 07:42

Didn't notice it before, but it finally dawned on me that there is no reason for the mickey counters to always be scaled by their rates. Getting rid of that simplifies things in the limits as well as a few other places. Even if casting to unsigned ints ends up being preferred for code simplicity (if …

Re: Settlers II Gold mouse problem

Posted on 2012-04-13, 10:57

In a previous comment I mentioned limiting the float counters, and here is a patch based on the idea that I've found to be effective in solving the problem. This approach preserves the current signedness of integers casted from the counters, and I like that it keeps the counters from becoming huge, …

Re: Airborne Ranger - Keys

Posted on 2012-04-13, 02:09

Airborne Ranger has a selection of video types to choose from at startup. There is an MCGA choice that uses mode 13h, but there is no mention of VGA. It's not conclusive evidence, but considering the 1988 release date it suggests to me that the game would have been tried on a PS/2 (model 30 at least …

Re: Airborne Ranger - Keys

Posted on 2012-04-12, 09:04

The game has an issue with extended keys that might also happen on real systems with enhanced keyboards. DOSBox simulates a standard keyboard to some extent with CGA, Tandy, and Hercules machine types, but there are still some enhanced keyboard behaviors in the emulated hardware and BIOS. The issue …

Re: MS Space Simulator will not work.

Posted on 2012-04-11, 20:34

EMS is enabled by default in the DOSBox settings. You would have to go out of your way to disable it, and then the game would give you a very clear message telling you that it needs EMS. Waiting for the next release of DOSBox will accomplish nothing, because the game works fine in 0.74 when …

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