Re: MIDI emulation over OPL3
Posted on 2019-07-29, 18:27
Maybe this OPL3 MIDI driver will be of use: Windows, Doom, Apogee OPL3 Synthesizer. edit: improved fork at https://github.com/datajake1999/OPL3EMU
Re: DRAW CALL debugging.
Posted on 2019-03-02, 12:27
So would I just find and hook into a general CPU memory write function and go "if(inside VRAM range)run_hook()"? You don't need to check "if inside VRAM range" - Dosbox does it for you. Look at vga_memory.cpp VGA_SetupHandlers function. There are already several page handlers (set up using MEM_ …
Re: DRAW CALL debugging.
Posted on 2019-02-14, 20:00
I did something like that when I was reverse engineering Test Drive III maps. First of all, get this ready-made tool called Bitmap Memory Debugger: http://www.theycamefromhollywood.com/bmd/ You will be able to examine Dosbox's memory visually. Dosbox global variable MemBase holds the pointer to the …
Re: 10 year cpu challenge
Posted on 2019-01-24, 17:35
AMD Athlon X2 5050e then and AMD Athlon X2 5050e now 😀
Re: DOSBox Cheat System
Posted on 2019-01-08, 20:56
I'd just like to compliment you on readable code 😀
Re: how to change the quality of captured video?
Posted on 2019-01-07, 21:40
Glad you sorted it out!
Re: Magnetically Shielded Speakers
Posted on 2018-11-06, 19:24
I've been using Behringer B2030A studio monitors as computer speakers for over 10 years. Absolutely no issues if placed right next to CRTs (although I gave up CRTs a few years ago). The speakers have served me well, but the amplifiers have degraded somewhat - I can hear some buzz/whine. If you have …
Re: Help Star Control I/II creators vs. Stardock lawsuit
Posted on 2018-09-19, 20:06
I don't know who's side to take on this. Anyway, here's Stardock's point of view: https://www.stardock.com/games/starcontrol/article/487690/qa-regarding-star-control-and-paul-and-fred edit: I'm hesitant to condemn Stardock because they picked up a dead franchise and have done something with it - …
Re: Physical refresh rate patch causes sound problems (expected)
Posted on 2018-08-01, 20:24
I used a similar method to override the emulated refresh rate, but I don't remember any sound problems. https://www.vogons.org/viewtopic.php?t=37148#p326732 Does the issue occur on PC (as opposed to RPi?) Does the issue occur only in specific game(s)? Does the issue occur with 0.74 + refresh rate …
Re: DOSBox over S-Video TV-Out stuttering/jerkiness
Posted on 2018-05-10, 21:55
You're in luck: VSYNC / Video Tearing Test for Dosbox Although you need to judge frame drops by eye (= juddering or stuttering).
Re: How to increase maximum memsize in DOSBox source code?
Posted on 2018-02-22, 22:13
https://sourceforge.net/p/dosbox/code-0/4085/ … dosbox.cpp#l433
Re: how to change the quality of captured video?
Posted on 2018-01-03, 21:52
FYI, the bad video quality (blurriness and color bleeding) is caused by your video playback software / video card, not by the ZMBV codec. It's doing a color space conversion (from RGB to some YUV-like format which includes color subsampling). If you can find a way to force video playback in RGB …
Re: How to slow down real-time
Posted on 2018-01-03, 21:45
I actually made such a version of Dosbox that allows adjusting the emulated video refresh rate, which works for speeding up and slowing down many games. http://www.vogons.org/viewtopic.php?p=326732#p326732 I might have had a version where refresh rate could be adjusted on the fly with some keyboard …
Re: missing z prompt
Posted on 2017-12-14, 21:45
The one that dosbox loads.
Re: Audio Mixers, what do you guys use?
Posted on 2017-09-26, 19:25
Behringer NOX101. It's an affordable two-channel mixer with phono and line-level inputs and balanced outputs. The faders are non-contact and properly logarithmic so they don't wear out like those horrible resistor pots. Perfect for using active near-field monitors with a computer or a pair of …
Re: Setting fullscreen 1366x768 on DOSBox
Posted on 2017-09-10, 11:11
Set aspect=true. Note that it will only fix the top and bottom borders in graphics mode, not text mode. In case you are playing text-mode games, try an SVN version of Dosbox.
Re: Setting fullscreen 1366x768 on DOSBox
Posted on 2017-09-08, 19:48
Set fullresolution=1024x768 and then set your graphics card / display to stretch that to full width.
Re: How many cycles is my PC using when running max
Posted on 2017-07-21, 12:31
Some custom Dosbox versions (I think Daum) displayed the value in the Window title bar.
Re: What do you drive?
Posted on 2017-04-21, 20:14
My trip computer says 8.6 l/100km while my receipts + odometer readings say 10.4 l/100km 😀 2004 BMW 330xd Touring.
Re: Patching old DOS game to make it work on faster computers
Posted on 2017-03-08, 21:00
This is off the top of my head, so it might be incorrect, but here goes. I would write a simple delay routine and test it using a standalone test program in Dosbox to make sure it works with different CPU speeds. I would then inject it into the original executable in a suitable place. To find a …
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