Re: TinyLlama (Vortex86EX SBC)

Posted on 2023-03-09, 16:41

by

by vanfanel

in Marvin \ System Specs

in Marvin \ System Specs

Hi there! New Tinyllama V2 user here! I received my board(s) a couple of days ago, and man has it been a journey! I can't think on anything else! I get home from work and... Tinyllama time until bedtime :D Thanks to @Eivind for creating such an AMAZING piece of hardware and for his great support. …

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Re: TinyLlama (Vortex86EX SBC)

Posted on 2022-10-26, 18:08

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by vanfanel

in Marvin \ System Specs

in Marvin \ System Specs

The TinyLlama Github repo contains schematics, board layout, BOM suggestion and basic assembly instructions (in addition to a modified and customized BIOS/ROM), all free and open sourced - however, if you want to go down the road of putting together a unit completely from scratch, without the …

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Re: TinyLlama (Vortex86EX SBC)

Posted on 2022-10-21, 07:28

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by vanfanel

in Marvin \ System Specs

in Marvin \ System Specs

I generally tend to avoid doing a ton of SMD soldering of really small components if I can, and rather pay JLC a little extra to have them do as many "jellybean" parts as possible. The 1.1 board is also designed for this - with smaller pads for the parts that's reflow soldered by JLC and slightly …

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Re: TinyLlama (Vortex86EX SBC)

Posted on 2022-10-19, 13:49

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by vanfanel

in Marvin \ System Specs

in Marvin \ System Specs

@Eivind: I have decided to order my own board, as I want to learn how to properly solder SMD components, etc, and this is a great opportunity to build something VERY rewarding in the end! It's the first time I try something like this, so I may have some basic questions... hope you don't mind :) I …

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Re: TinyLlama (Vortex86EX SBC)

Posted on 2022-10-19, 12:45

by

by vanfanel

in Marvin \ System Specs

in Marvin \ System Specs

@Eivind: I have decided to build my own board, as I want to learn how to properly solder SMD components, etc, and this is a great opportunity to build something VERY rewarding in the end! It's the first time I try something like this, so I may have some basic questions... hope you don't mind :) I …

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Re: TinyLlama (Vortex86EX SBC)

Posted on 2022-10-18, 20:12

by

by vanfanel

in Marvin \ System Specs

in Marvin \ System Specs

@Eivind: Is this the CPU module needed? --> https://shop.dmp.com.tw/INT/products/25 Also, is that a reputable shop to get it from? EDIT: Just saw the Github page, with the WIKI and all... what a work! Thanks for all the time you put on all this, really!

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Re: TinyLlama (Vortex86EX SBC)

Posted on 2022-10-12, 19:24

by

by vanfanel

in Marvin \ System Specs

in Marvin \ System Specs

This is a wonderful project and, as bd1308 has already said, it's a long time dream of mine becoming a reality. I have a question: in rasteri's video, it seems that the PCIe VGA card limits framerate to 27.3 FPS. There were many games that ideally ran at 35, 60 and 70 FPS on DOS, given they had …

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Re: TinyLlama (Vortex86EX SBC)

Posted on 2022-10-11, 15:34

by

by vanfanel

in Marvin \ System Specs

in Marvin \ System Specs

This is a wonderful project and, as bd1308 has already said, it's a long time dream of mine becoming a reality. I have a question: in rasteri's video, it seems that the PCIe VGA card limits framerate to 27.3 FPS. There were many games that ideally ran at 35, 60 and 70 FPS on DOS, given they had …

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ARM64 dynamic recompiler (=generic recompiler): no CPU usage difference?

Posted on 2022-01-07, 13:29

by

by vanfanel

in DOSBox General

in DOSBox General

Hi all! I use DosBOX on an aarch64 GNU/Linux system, the very well know Raspberry Pi 4 running a 64bit kernel and libs. On built time, I see the arm64 recompiler is indeed being built. However, two questions arise: 1) I take the generic recompiler is the only available in arm64 systems. Am I right …

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Looking for a simple smooth scroll test (mode x) for DOS

Posted on 2019-01-24, 16:41

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by vanfanel

in Marvin \ Software

in Marvin \ Software

Hi there! I am looking for a simple VGA smooth horizontal scroll test program. Some games would do, but they are not actually always smooth, so I'd like to get a proper test, I am sure there must be some simple mode-x horizontal scrolling examples, it's just that I can't find them! Thanks!

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Re: DOSBox Feature Request Thread

Posted on 2018-11-04, 12:01

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by vanfanel

in DOSBox General

in DOSBox General

I would like to see adjustable video refresh rate for the emulated machine. Games with smooth scroll (SuperFrog, Jazz JackRabbit, Pinball Dreams / Illusions, Turrican 2...) would be true to it's smooth-scrolling nature. As things are, they have these noticeable hiccups every few seconds.

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Re: An adaptation to SDL 2.0 (Alpha-level Android build attached)

Posted on 2018-10-08, 12:44

by

by vanfanel

in DOSBox Patches

in DOSBox Patches

@NY00123: I have tried to patch against latest sources, and apparently it works well, but when trying to configure I get: ./configure: line 4867: syntax error near unexpected token `:,as_fn_error' ./configure: line 4867: `EXULT_CHECK_SDL(:,as_fn_error $? "*** SDL not found!" "$LINENO" 5)' Guess the …

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Re: Physical refresh rate patch causes sound problems (expected)

Posted on 2018-08-14, 14:42

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by vanfanel

in DOSBox Development

in DOSBox Development

@ripa: It happens on PC and Pi3b+, both. Also, it's notable on games with mod music like Jazz JackRabbit and SuperFrog. You have to pay attention, it happens after a while. It happens on latest svn + patch, but not on 0.74 + patch. That's why I need help finding out the problem.

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Re: Physical refresh rate patch causes sound problems (expected)

Posted on 2018-08-01, 02:03

by

by vanfanel

in DOSBox Development

in DOSBox Development

C'mon guys, no one knows what has to be changed in audio code to match the custom VGA refresh rate?

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Brand new hardware for DOS gaming, does it exist?

Posted on 2018-07-30, 14:19

by

by vanfanel

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

HI there, I was thinking that, since X86 CPUs were extensively used in industrial enviroments back in the 80's and 90's, there may be need for replacements. I found this computer-on-a-board, which is compatible with a 486: http://www.emacinc.com/products/pc_compatible_sbcs/VSX-6124 However, it's not …

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Physical refresh rate patch causes sound problems (expected)

Posted on 2018-07-22, 12:58

by

by vanfanel

in DOSBox Development

in DOSBox Development

Hi all, I have been using a customized version of dosbox on both my Pi3 and X86_64 GNU/Linux systems. It's an SDL2 version (thanks to NY00123's work!) that I manually patch to accept a custom screen refresh rate. This custom refresh rate is needed so fine-scrolling games like SuperFrog, Pinball …

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Re: An adaptation to SDL 2.0 (Alpha-level Android build attached)

Posted on 2017-11-02, 16:42

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by vanfanel

in DOSBox Patches

in DOSBox Patches

@dugan: Could you please update your patch so it works against current Dosbox SVN? I have tried patching but it fails... [EDIT] I now build from your branch in git, so no problem 😀

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Re: An adaptation to SDL 2.0 (Alpha-level Android build attached)

Posted on 2016-03-20, 13:46

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by vanfanel

in DOSBox Patches

in DOSBox Patches

shankao wrote: That's great. Does it work properly? Can it be commited to the master branch, so more people can test it? Yes, it works great, but for some reason I can't imagine, DOSBOX devs seem to be staying in SDL 1.x, even if SDL 1.x is bit-rotten in many OSes already and is obvioulsy a dead …

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Re: An adaptation to SDL 2.0 (Alpha-level Android build attached)

Posted on 2016-02-16, 14:25

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by vanfanel

in DOSBox Patches

in DOSBox Patches

@NY00123: I have tried to apply the latest patch to R3924 as intended, and I get errors: manuel@vader:~/src/dosbox_BUILD$ patch < dosbox_sdl2_20150713.diff patching file acinclude.m4 patching file AndroidManifest.xml patching file ant.properties patching file build.properties patching file build.xml …

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Re: SVN on OS X - core=dynamic causes segfault

Posted on 2011-09-08, 09:13

by

by vanfanel

in DOSBox Development

in DOSBox Development

I made SWAP_CONTROL true in the sources (for SDL_GL) to avoid tearing, adjusted the refresh rate to exactly 60HZ in vga_draw.c, then defined an exact 60.00HZ in OSX and got Jazz Jackrabbit running smooth as silk with dynamic cpu at 20000 cycles :D Just to let you know your help was put into good use …

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