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Re: Carmageddon - low fps while driving open areas

in DOS
My CPU: Core i5 2,5 GHz - so why it can't calculate level geometry in real time? Thank you. Games in DOSBox never execute directly on your host CPU. The full system is emulated, hardware included, which adds a lot of overhead. For best performance make sure you set cycles=max , cputype=auto , and …

Re: MartyPC

in PC Emulation
Anyone happen to know why sometimes the forum won't show inline images? Yeah, it's weird. I asked the same thing months ago in the forum feedback thread and got nothing, which must mean that this extremely convoluted issue is still being feverishly investigated. ;) FantasyLand doesn't seem to use …

Re: MartyPC

in PC Emulation
Excellent!! so text mode pel panning should be possible (I have to find some demo that does this...) I'm pretty sure FantasyLand does that. It should be a good text mode torture-test in general, although it expects the EGA to be switched to 15.7KHz-only operation (i.e. 200-line text modes). PCjs …

VGA behavior when V. Display End >= V. Retrace Start

Other than the usual things you can expect in such a situation (such as some monitors losing sync) - could this also result in garbage/unexpected *content* from VRAM being displayed? Not that this is a very useful thing to do... but I've seen this happen on the internal plasma display of a PS/2 …

Re: MartyPC

in PC Emulation
Man... from what I'm seeing of this Windows Defender false-positive situation, it's simply infuriating. If MS keeps up its policy of apparently not giving a crap whatsoever, I suppose it's possible for affected developers to pool together and attempt a collaborative heuristics project - perhaps that …

Re: MartyPC

in PC Emulation
Yes, it's been known that changes to the Mode/Color Select registers take effect immediately; making it otherwise would probably have complicated the CGA's design (additional latches?), to no benefit that I can think of. As GloriousCow points out, we relied on that in Area 5150 - at least one effect …

Re: MartyPC

in PC Emulation
I hate to ask but would you consider a conversion of this bat file to python or sh for our linux and mac friends? Someone has already forked it and added a Python version. Haven't had the chance to test it myself, but it's at https://github.com/vegardsjo/FFmpeg-CRT-transform. I really should've …

Re: MartyPC

in PC Emulation
jal wrote on 2023-12-15, 10:30: Scali wrote on 2023-12-12, 16:34: Yea, isn't that the thing with software engineering... You need to build something to figure out how you should build it. Lol, yeah, quoted for truth 😁. JAL Quite a bit of my code in Area 5150 is living testament to this principle... …

Re: MartyPC

in PC Emulation
You are correct, I did that to try to tell where the hell the display border was. Since the 'padding' area is now a custom color, I've already changed it back to pure black. I've actually got a plan to make the palette customizable. Was thinking about how I wanted to switch between the "standard" …

Re: MartyPC

in PC Emulation
As for resizing widgets, I'd like to make any widgets resizable if it makes sense to do so, like the disassembly and instruction history and memory viewer should definitely resize to show you as much as you want to see. It's just a bit trickier - the immediate-mode flow is normally that you send …

Re: MartyPC

in PC Emulation
Eventually i'd like to implement librashader https://snowflakepowe.red/blog/introducing-librashader-2023-01-14 which is a nice rust-based solution that would give MartyPC access to all those tasty Libretro shaders. Those will likely run in a full window. The nice thing about MartyPC's built in …

Re: MartyPC

in PC Emulation
I guess I should be pleased that you are asking that. It's not an existing one, I thought I'd make my own. Right now it's pretty simple, just some barrel distortion with rounded corners, and scanlines. I'll be slowly adding features to it, but it wasn't even planned for 0.2 to have any shader …

Re: MartyPC

in PC Emulation
Posting a sneak peek of MartyPC 0.2.0. I've implemented a lot of people's suggestions, as well as dozens of bug fixes and many fundamental accuracy improvements derived from my recent hardware research. Scali, I finally figured I could do a video of 8088MPH justice, so here it is (in 1440P): …

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