Re: The Seventh Sword of Mendor - sound not working

Posted on 2020-03-30, 16:05

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

Try the same workaround used for Charly the Clown shareware - no sound Mendor doesn't need EMS, so in this case you can load JEMM with: JEMMEX NOEMS LOAD You may or may not need a fixed amount of cycles as well; 10K-20K seems okay.

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Re: DOSBox Help - Emergency Room Intern (Legacy Interactive)

Posted on 2020-03-30, 00:14

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

Re: Emergency Room

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Re: California Games 2 adlib support and Golden Axe MT32 support

Posted on 2020-03-22, 02:27

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

The AdLib music is working for me with default settings in DOSBox when using the second release of the game from 1991. The first release from 1990 had no AdLib support; at least that's my understanding. However, a box scan on MobyGames suggests a separate upgrade of some kind may have been available …

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Re: "Jim Power - The Lost Dimension" cycle settings

Posted on 2020-03-16, 15:28

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

It appears to be a timing bug. Messing with that logic tends to cause glitches in the sound and/or video, so I opted for an "as needed" sort of workaround. Extract the attached program into the game directory and run it to start the game, then press the END key to clear any hangs that occur. I only …

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Re: A "ghost" in DOSBox

Posted on 2020-03-06, 16:20

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by ripsaw8080

in DOSBox Development

in DOSBox Development

Maybe bug... maybe feature? :grin: A similar issue with the PAUSE command is fixed in SVN, so I guess the fix here is similar as well: Bit16u n=1; do { DOS_ReadFile (STDIN,&c,&n); + if (c==0) { + // read and ignore extended key + DOS_ReadFile (STDIN,&c,&n); + continue; } - } while (!c || !(ptr = …

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Re: Any software for testing VGA?

Posted on 2020-03-02, 14:38

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by ripsaw8080

in PC Emulation

in PC Emulation

PC Tech Journal's VGA test suite: VGATEST2

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Re: Possible to get system date in a bat file?

Posted on 2020-02-26, 21:46

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by ripsaw8080

in DOSBox General

in DOSBox General

Pragmasaurus wrote on 2020-02-26, 19:45: I'll probably just take the lazy way out and check the date for the next 20 years. Ah, well, easy for events that fall on a specific month/day, but kind of a pain for the others. 😉

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Re: Possible to get system date in a bat file?

Posted on 2020-02-26, 17:58

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by ripsaw8080

in DOSBox General

in DOSBox General

My next problem is that I need to isolate the day and month, since the year is not relevant for recurring holidays. As far as I can tell there are no string manipulation functions available. Yeah, there is only so much one can do with old DOS batch files. You could write a simple DOS program that …

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Re: Possible to get system date in a bat file?

Posted on 2020-02-26, 14:43

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by ripsaw8080

in DOSBox General

in DOSBox General

Cute trick, but needs a few tweaks to work with the internal shell of DOSBox SVN: @ECHO OFF DATE>TEMP.BAT ECHO SET DATE=%%3>CURRENT.BAT CALL TEMP.BAT DEL TEMP.BAT DEL CURRENT.BAT ECHO %DATE% IF %DATE%==02/29/2020 ECHO Today is Leap Day The VER| part is not needed because the DATE command in DOSBox …

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Re: Open with: DOSBox

Posted on 2020-02-19, 13:31

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by ripsaw8080

in DOSBox General

in DOSBox General

mounting support for zip files is what I had in mind. An experimental patch was made for it: https://www.vogons.org/viewtopic.php?t=9591 I think some version of it is in the Daum build, but both Daum and the patch are more than a little out of date now. Also, I don't know how well it might co-exist …

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Re: Using debug.exe and experimenting with x86 instructions in DOSBox

Posted on 2020-02-16, 18:20

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by ripsaw8080

in DOSBox General

in DOSBox General

Some features of DOS debug don't work correctly with DOSBox's emulated DOS; you may need to boot real DOS in DOSBox for those to work correctly. The "g" command encountering program termination is one thing that doesn't work: you get a crash. However, you can specify a breakpoint so that execution …

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Re: DIGPLAY sample player inverse stereo

Posted on 2020-02-16, 16:07

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

the SB16 driver i hacked looks like this: MOV [0479],80 MOV [0487],00 MOV [0495],00 MOV [04A3],00 Eh, those instructions don't exist in either of the driver files in your attachment. However, the MOV instructions that put 4 0x80 bytes into sequential memory as samples DO exist in both driver files, …

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Re: DIGPLAY sample player inverse stereo

Posted on 2020-02-16, 15:35

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

(caugh) your patch didn't warns if the driver has different addressing? It looks for a specific code sequence, and it changes nothing and displays "File unrecognized" if the sequence is not found. The addresses we're discussing here have no bearing on how the program works because, as I mentioned …

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Re: DIGPLAY sample player inverse stereo

Posted on 2020-02-16, 14:10

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

Gernot66 wrote on 2020-02-16, 13:59: […] Show full quote Copy code to clipboard 1 MOV [0479],80 2 MOV [0487],00 3 MOV [0495],00 4 MOV [04A3],00 That looks even worse than original for 16-byte samples, because it's 0x0080 not 0x8000. Remember that PCs are little-endian for most things. 😀 Edit: oh, …

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Re: DIGPLAY sample player inverse stereo

Posted on 2020-02-16, 13:09

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

Do you got an idea why the SB16 driver (or the player when on a sb16 board) opens with an audible click only on the left channel while the SBPRO won't do that? And maybe one how to fix that? My fix program didn't bother with the click/pop because it only happens when the SB16.DIG driver is …

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Re: DIGPLAY sample player inverse stereo

Posted on 2020-02-16, 05:12

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

Re: Invert Left/Right Audio Channels Stereo Sound?

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Re: Into the Eagles Nest: delayed response to movement

Posted on 2020-02-09, 16:29

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

The game is responding promptly to keys for me, but the problem might be how you use keys. Try pressing and releasing the cursor keys, don't hold them down -- this is because keys are read through BIOS and thus subject to auto-repeat and buffering. If the key buffer fills up with auto-repeat cursor …

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Re: Gateway 2 (and others) MT-32 MIDI tempo off?

Posted on 2019-12-16, 02:32

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

AFAIK, Superhero League of Hoboken is the last game release affected by the issue described in this thread. The exception is "The Lost Adventures" which is a compilation of earlier games.

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Re: Gateway 2 (and others) MT-32 MIDI tempo off?

Posted on 2019-12-16, 01:13

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

LEGMPU is a TSR, and it does not automatically launch a game because it applies to more than one Legend game. GATEFIX is a loader, and it launches Gateway because it is specifically for that game. However, LEGMPU does a better job of fixing the issue addressed by GATEFIX, so you don't need to use …

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Re: Problem with XMS memory on DOS game

Posted on 2019-12-15, 23:15

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by ripsaw8080

in DOSBox Games/Apps

in DOSBox Games/Apps

You need to set ems=false as well. BTW, you can often find game-specific info like this in the compatibility list at DOSBox.com

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