Moonmarch
Posts: 546
Joined: Thu Mar 07, 2019 1:34 am

DOSBox 0.74-3 MSDOS x86 emulator

Sun Jul 14, 2019 9:13 am

Version 0.74-3 of the DOSBox program was released recently, the previous version of DOSBox was version 0.74-2 if you do not have plans to build the DOSBox source code, you can always install the DOSBox program included in the Debian repository, this is version 0.74 of the DOSBox program:

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sudo apt install dosbox
Here is a link to the DOSBox website:

https://www.dosbox.com/

To download the DOSBox source code, open the terminal:

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wget https://sourceforge.net/projects/dosbox/files/dosbox/0.74-3/dosbox-0.74-3.tar.gz
To unpack the file:

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tar -xzf dosbox-0.74-3.tar.gz
Before building the source code you will need to download and install all relevant dependencies from the Debian repository, the list of dependencies needed for the DOSBox program can be found in the INSTALL document located in the dosbox-0.74-3 folder, if you do not install all needed dependencies the program will not compile successfully.

Here are dependencies you will need to compile the source code all other listed dependencies are optional:

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sudo apt install autoconf autotools-dev automake libsdl1.2-dev
I'm having difficulties building DOSBox 0.74-3 on Raspbian Buster when I wrote this guide I compiled the DOSBox program with Raspbian Stretch, until this situation is sorted out the SVN build of DOSBox compiles successfully with dynamic recompiler on Raspbian Buster, here are the instructions on how to compile the SVN build of DOSBox:

Install subversion:

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sudo apt install subversion
Download the SVN repository:

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svn checkout https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk dosbox-code-0
Build the DOSBox SVN program:

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cd dosbox-code-0

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./autogen.sh

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./configure

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make -j2
To build the DOSBox 0.74-3 program:

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cd dosbox-0.74-3

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./autogen.sh

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./configure

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geany config.h
After opening config.h with Geany here are the lines of code that need to be edited:

Line 37: /* #undef C_CORE_INLINE */
Line 37: #define C_CORE_INLINE 1

Line 51: /* #undef C_DYNREC */
Line 51: #define C_DYNREC 1

Line 91: #define C_TARGETCPU UNKNOWN
Line 91: #define C_TARGETCPU ARMV4LE

Line 94: /* #undef C_UNALIGNED_MEMORY */
Line 94: #define C_UNALIGNED_MEMORY 1

Ctrl + s to save then Ctrl + q to quit, after closing Geany in the terminal run the command:

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make -j2
Compiling the program will take at least 15 minutes, to open the program:

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cd src

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./dosbox
To change the configuration settings open the dosbox-0.74-3.conf or dosbox-SVN.conf file located in /home/pi/.dosbox hidden directory, here are some settings that should be included in the dosbox config file:

[sdl]
windowresolution=640x480
output=surface

[render]
scaler=normal2x

[cpu]
core=auto
cycles=auto

Using different settings can slow down the DOSBox program you can always edit the settings manually core dynamic should be available in the CPU settings, to run the DOSBox program in full screen you will need to enable full KMS drivers in raspi-config.

Games that I tested using the DOSBox emulator all tested games are completely playable:

-Wolfenstein 3D
-Spear of Destiny
-Ultimate Doom
-SimCity 1989
-Dune 2
-Doom 2
-SimCity 2000 Special Edition
-Descent

Update August 21st 2019:
-Added how to build DOSBox SVN explanation
-Miscellaneous improvements

Update August 17th 2019:
-Added dependency list
-Miscellaneous improvements

Update August 12th 2019:
- Added edit config.h explanation
- Miscellaneous improvements
Last edited by Moonmarch on Wed Aug 21, 2019 8:32 am, edited 3 times in total.

fruitoftheloom
Posts: 24577
Joined: Tue Mar 25, 2014 12:40 pm
Location: Delightful Dorset

Re: DOSBox 0.74-3 MSDOS x86 emulator

Sun Jul 14, 2019 9:24 am

Moonmarch wrote:
Sun Jul 14, 2019 9:13 am
Version 0.74-3 of the DOSBox program was released recently, the previous version of DOSBox was version 0.74-2 which was more difficult to compile on the RPI computer in comparison to the recent version, the latest release requires no additional command line arguments or adjustments to config files to compile successfully.

If you do not have plans to build the DOSBox source code, you can always install the DOSBox program included in the Debian repository, this is version 0.74 of the DOSBox program:

Code: Select all

sudo apt-get install dosbox
Here is a link to the website:

https://www.dosbox.com/

To download the source code, open the terminal:

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wget https://sourceforge.net/projects/dosbox/files/dosbox/0.74-3/dosbox-0.74-3.tar.gz
To unpack the file:

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tar -xzf dosbox-0.74-3.tar.gz
Before building the source code you will need to download and install dependencies from the Debian repository, the list of dependencies needed for the DOSBox program can be found in the INSTALL document located in the dosbox-0.74-3 folder, install all of the dependencies.

To build the program:

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cd dosbox-0.74-3

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./autogen.sh

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./configure

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make -j2
Compiling the program will take at least 10 minutes, to open the program:

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cd src

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./dosbox
To change the configuration settings open the dosbox-"version".conf file located in /home/pi/.dosbox directory, here are some settings that you should adjust in the dosbox config file:

core=dynamic
cycles=auto

To run the program in fullscreen you will need to enable full KMS drivers in raspi-config.

Here are some games that I tested using the DOSBox emulator, didn't try out any full 3D games:

Runs at full speed:
-Wolfenstein 3D
-Spear of Destiny
-Ultimate Doom
-SimCity 1989
-Dune 2

Runs with slowdown:
-Doom 2

Somewhat playable:
-SimCity 2000 Special Edition

APT is Debian's preference:

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sudo apt update
sudo apt install dosbox

DOSBOX (0.74-2-3+deb10u1)

https://packages.debian.org/buster/dosbox
Thinking outside the box is better than burying your head in the sand...

Moonmarch
Posts: 546
Joined: Thu Mar 07, 2019 1:34 am

Re: DOSBox 0.74-3 MSDOS x86 emulator

Sun Jul 14, 2019 7:22 pm

I used the "sudo apt update" command, I did notice my computer did update, I was wondering why some programs would not update after running the apt-get update && apt-get upgrade command, to update a program what I did instead was run the apt-get install "program name" command which would update the program manually, thanks for the advice.

After searching Google I noticed today, apt is a program that is used similarly to tar which is a program that you can use to unpack tar.gz files, which will have commands that you can use with the program, the same situation with apt, is there a difference between apt and apt-get I would say both commands are different commands that you can use with the apt program, for a while I was only using apt-get update, apt-get upgrade, apt remove, apt autoremove, apt-get install, there are more commands you can use with apt.

I haven't installed Raspbian Buster yet, I will eventually my plan was to format the SD card then reinstall the operating system, the same idea with large Windows 10 updates, I format the hard drive then reinstall the operating system.

fruitoftheloom
Posts: 24577
Joined: Tue Mar 25, 2014 12:40 pm
Location: Delightful Dorset

Re: DOSBox 0.74-3 MSDOS x86 emulator

Sun Jul 14, 2019 7:33 pm

Moonmarch wrote:
Sun Jul 14, 2019 7:22 pm
I used the "sudo apt update" command, I did notice my computer did update, I was wondering why some programs would not update after running the apt-get update && apt-get upgrade command, to update a program what I did instead was run the apt-get install "program name" command which would update the program manually, thanks for the advice.

After searching Google I noticed today, apt is a program that is used similarly to tar which is a program that you can use to unpack tar.gz files, which will have commands that you can use with the program, the same situation with apt, is there a difference between apt and apt-get I would say both commands are different commands that you can use with the apt program, for a while I was only using apt-get update, apt-get upgrade, apt remove, apt autoremove, apt-get install, there are more commands you can use with apt.

I haven't installed Raspbian Buster yet, I will eventually my plan was to format the SD card then reinstall the operating system, the same idea with large Windows 10 updates, I format the hard drive then reinstall the operating system.


https://wiki.debian.org/Apt

http://manpages.ubuntu.com/manpages/xen ... apt.8.html

.
Thinking outside the box is better than burying your head in the sand...

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leilei
Posts: 34
Joined: Wed Jun 26, 2019 2:26 am

Re: DOSBox 0.74-3 MSDOS x86 emulator

Sun Jul 14, 2019 10:19 pm

I recommend building from source as I don't think the binaries downstream have the ARM dynamic recompiler included (probably for debian security reasons).

The Pi3B gets roughly 486dx2-66 performance on the arm dynarec with max cycles and is somewhat playable for Duke Nukem 3D. Output=surface without scaling is fastest for the old VC4 driver. Also keep in mind that 15-30fps was perfectly acceptable in the era! Getting spoiled by 60fps wasn't until 1998 with the advent of 3d cards, write caching, PCI/AGP2X and such.

Moonmarch
Posts: 546
Joined: Thu Mar 07, 2019 1:34 am

Re: DOSBox 0.74-3 MSDOS x86 emulator

Mon Jul 15, 2019 12:12 am

My guide is not completely original, I decided to write the guide to let people know MS DOS emulation is possible on the RPI without needing to use a fork of DOSBox or use Retropie OS, the DOSBox program from the Debian repository was not able to run Doom 1993 at all for some reason, don't know if the forks of DOSBox will run faster on the RPI computer or are even currently in development.

Here are some guides on compiling DOSBox I found on the RPI forums:

DOSBOX with GLES2 + tv shader + dynamic recompiler:
https://www.raspberrypi.org/forums/view ... 8&t=110957

compiling dosbox with dynamic recompilation support:
https://www.raspberrypi.org/forums/view ... hp?t=95421

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DavidS
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Location: USA
Contact: Website

Re: DOSBox 0.74-3 MSDOS x86 emulator

Mon Jul 15, 2019 2:14 pm

There is also FastDOSBox for the Raspberry Pi computers. Yes it is a bit older, though I am fairly sure it is still a good bit faster. Unfortunately the original site went down, though it is still on the Web Archivie at:
https://web.archive.org/web/20130629010 ... tware.html

You will probably want the Raspbian version of the three versions provided.
RPi = The best ARM based RISC OS computer around
More than 95% of posts made from RISC OS on RPi 1B/1B+ computers. Most of the rest from RISC OS on RPi 2B/3B/3B+ computers

Moonmarch
Posts: 546
Joined: Thu Mar 07, 2019 1:34 am

Re: DOSBox 0.74-3 MSDOS x86 emulator

Wed Jul 17, 2019 6:16 am

Thanks for the link FastDOSBox was one of the programs I was searching for after several days of adjusting settings on the DOSBox program from the Debian repository when I started using the RPI computer, I'll build the program one of these days, I heard about FastDOSBox I didn't use the program, because the program was not being actively developed there is no official website the last version released was 1.6 that was released in 2014.

If I had to choose to compile a program that runs video games or certain video games, I would compile a open source game engine for example system shock, which I will build one of these days don't know when, not every game has a source port, if I can't compile the game engine then I will use a MS DOS emulator.

Srandista
Posts: 5
Joined: Fri Sep 14, 2018 2:05 pm

Re: DOSBox 0.74-3 MSDOS x86 emulator

Thu Aug 01, 2019 10:18 am

leilei wrote:
Sun Jul 14, 2019 10:19 pm
Also keep in mind that 15-30fps was perfectly acceptable in the era! Getting spoiled by 60fps wasn't until 1998 with the advent of 3d cards, write caching, PCI/AGP2X and such.
Yeah, as you said, 15-30fps was acceptable back then, but from my point of view, it shouldn't be now (and I mean even for those old DOS games nowadays). I remember, that I was able to tolerate it, because I didn't know any better, but now, I really want to enjoy those games, and that means that I want to play them with acceptable framerate, which really is 60+. That is also a reason, why I don't use my RPi3B+ for DOSBox, because raw power of that SBC just isn't enough for good DOS experience. I'm really interested, how RPi4 fares in this matter (but it should be much, much better).

altharic
Posts: 36
Joined: Sun Apr 29, 2018 7:27 pm

Re: DOSBox 0.74-3 MSDOS x86 emulator

Fri Aug 02, 2019 10:34 pm

What exactly are you guys wanting dosbox to do Doom for example runs better on the pi as chocolate doom as a source port?

I do have a rpi4 and have compiled it from source and I do have a lot of old dos software what would be a good test?

Nightblair
Posts: 5
Joined: Tue Aug 06, 2019 7:15 pm

Re: DOSBox 0.74-3 MSDOS x86 emulator

Tue Aug 06, 2019 7:22 pm

Hello. I've been testing dosbox on RPI4 (my first RPI, so I can't compare it to previous one) and I find the performance adequate with Dosbox with dynarec. I've tried running Heroes of Might and Magic 2 and it's playable with dynamic and max cycles. I've tried to set cycles manually and it seems like it can run around 20000 cycles, then starts to be bad.

However, the sound is choppy no matter what I do. I still hear small pauses. I tried to change blocksize, and prebuffer, even lower the sample rate, but it's still the same. I'm not sure what is the reason. Might it be RPI scaling processor frequency?

EDIT: this is the case for all games, even these running much lower fixed cycles at full speed.
Last edited by Nightblair on Wed Aug 07, 2019 10:23 am, edited 1 time in total.

Moonmarch
Posts: 546
Joined: Thu Mar 07, 2019 1:34 am

Re: DOSBox 0.74-3 MSDOS x86 emulator

Wed Aug 07, 2019 8:19 am

If any game does not run at full speed with cycles=max then the game will have slowdown regardless of cycle count, because the CPU is being maxed out which can cause game to be unplayable I'm going to say games that came out after 1994 will not run on the DOSBox program on a RPI computer at full speed I do have more games that I can test, Quake, Fantasy General, Descent 2, Fallout, I don't have enough room on my SD Card right now some of these games require at least 1 GB of hard drive space, and I will need to extract the install files, I purchase DOS games from the Good Old Games website.

There are games that will require a virtual hard drive to install the game within DOSBox, and you will need to run the SETUP.EXE program which I will say is the reason why DOSBox is not for everyone, you will need to configure display settings, sound settings, etc., there are games that don't require any setup programs you instead run the game executable within DOSBox once you locate the game directory within the DOSBox program.

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leilei
Posts: 34
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Re: DOSBox 0.74-3 MSDOS x86 emulator

Wed Aug 07, 2019 11:54 am

altharic wrote:
Fri Aug 02, 2019 10:34 pm
What exactly are you guys wanting dosbox to do Doom for example runs better on the pi as chocolate doom as a source port?
Doom's a trustworthy landmark game for anything DOS. Chocolate Doom shouldn't render it irrelevant (it's still not quite dos doom perfect either)

Nightblair
Posts: 5
Joined: Tue Aug 06, 2019 7:15 pm

Re: DOSBox 0.74-3 MSDOS x86 emulator

Sat Aug 10, 2019 7:33 am

Looks like my woes with Dosbox was that it was not actually compiled with dynarec support after all.

Looking at Retropie installer scripts I've found the correct way how to do it:
  • Unpack it somewhere, then in the directory run:

Code: Select all

./autogen.sh
./configure --disable-opengl
sed -i 's|/\* #undef C_DYNREC \*/|#define C_DYNREC 1|' config.h
sed -i 's/C_TARGETCPU.*/C_TARGETCPU ARMV7LE/g' config.h
sed -i 's|/\* #undef C_UNALIGNED_MEMORY \*/|#define C_UNALIGNED_MEMORY 1|' config.h
make
make install
Heroes of Might and Magic 2 is running great now, no stuttering at 40000 cycles.

Moonmarch
Posts: 546
Joined: Thu Mar 07, 2019 1:34 am

Re: DOSBox 0.74-3 MSDOS x86 emulator

Sat Aug 10, 2019 8:17 am

I see what I forgot to include in the guide I did compile the source with dynamic core enabled using the SVN build of DOSBox not the 0.74-3 source code, I assumed the SVN build and the 0.74-3 source code were the same, because I downloaded the SVN build within the same week DOSBox was updated to 0.74-3, I'll update the guide when I have the chance Nightblair thanks for noticing.

When I downloaded the DOSBox SVN code I didn't need to adjust the config.h file to enable all available options I'll double check to be on the safe side.

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7F20
Posts: 72
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Location: New York

Re: DOSBox 0.74-3 MSDOS x86 emulator

Mon Dec 16, 2019 4:40 am

leilei wrote:
Sun Jul 14, 2019 10:19 pm
I recommend building from source as I don't think the binaries downstream have the ARM dynamic recompiler included (probably for debian security reasons).
Hi leilei, what would you generally recommend for a Dosbox build on Raspberry Pi 4?
I'm wondering about a few things in particular things pertaining to installation:
-I've noticed that the config.h file still lists ARMV7LE. There is an ARMV8LE option available, would that work better?
-There is various mentions of the SDL2 patch available on VOGONS. Is that a viable route to install on a Pi4?
-Should we disable opengl with the config? I believe that I noticed a behavior change when I disable. What does it change?

Thanks,

Moonmarch
Posts: 546
Joined: Thu Mar 07, 2019 1:34 am

Re: DOSBox 0.74-3 MSDOS x86 emulator

Fri Jan 31, 2020 10:21 pm

Not everyone returns to the Raspberry Pi forums I will answer your questions 7F20 the ARMV7LE parameter is in the config file generated after using the ./configure command which you can adjust manually I have tried to change the TARGET CPU to a different CPU, the program would not compile successfully you can compile DOSBox defining your own parameters the instructions I provided in this guide were intended to be "problem free" the main purpose of writing the guide was to tell people how to unlock dynamic recompiler which is important for DOSBox, because without dynrec DOSBox emulation speed will be significantly slower try using the DOSBox emulator on a website you will see games running very slow including the DOS games from the 80's.

DOSBox in Retropie uses SDL2 I would not know if performance actually improves with SDL2 I know DOSBox source still uses SDL 1.2, I would not recommend disabling OpenGL, because well I use the older RPI computers there is no real improvement with DOSBox performance with OpenGL renderer if the DOSBox full screen resolution is lower than the desktop resolution DOSBox will output video at native video resolution which means DOSBox will not display video full screen to stretch the display to full screen you need to choose OpenGL renderer in the dosbox-SVN.conf file.

NovaCoder
Posts: 17
Joined: Mon May 29, 2017 11:37 pm

Re: DOSBox 0.74-3 MSDOS x86 emulator

Sun Feb 02, 2020 11:15 pm

Thanks for the guide :)

It will be nice to be able play classics like X-Wing on my Pi 3 using the dyna core :D

NovaCoder
Posts: 17
Joined: Mon May 29, 2017 11:37 pm

Re: DOSBox 0.74-3 MSDOS x86 emulator

Wed Feb 05, 2020 9:45 am

I stuffed something up.

First time I built it successfully but I used C_TARGETCPU ARMV4LE which didn't seem to enable the dynrec core, so I swapped it to ARMV7LE but that gave me a build error?

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g++ -DHAVE_CONFIG_H -I. -I../..  -I../../include -I/usr/include/SDL -D_GNU_SOURCE=1 -D_REENTRANT  -g -O2  -MT core_dynrec.o -MD -MP -MF .deps/core_dynrec.Tpo -c -o core_dynrec.o core_dynrec.cpp
In file included from core_dynrec/decoder.h:22:0,
                 from core_dynrec.cpp:155:
core_dynrec/decoder_basic.h: In function ‘void dyn_reduce_cycles()’:
core_dynrec/decoder_basic.h:470:52: error: ‘gen_sub_direct_word’ was not declared in this scope
  gen_sub_direct_word(&CPU_Cycles,decode.cycles,true);
                                                    ^
core_dynrec/decoder_basic.h: At global scope:
core_dynrec/decoder_basic.h:476:41: error: variable or field ‘dyn_set_eip_last_end’ declared void
 static INLINE void dyn_set_eip_last_end(HostReg reg) {
                                         ^~~~~~~
core_dynrec/decoder_basic.h:476:41: error: ‘HostReg’ was not declared in this scope
core_dynrec/decoder_basic.h: In function ‘void dyn_set_eip_last()’:
core_dynrec/decoder_basic.h:484:77: error: ‘gen_add_direct_word’ was not declared in this scope
  gen_add_direct_word(&reg_eip,decode.op_start-decode.code_start,cpu.code.big);
I have a Pi 3B+

Moonmarch
Posts: 546
Joined: Thu Mar 07, 2019 1:34 am

Re: DOSBox 0.74-3 MSDOS x86 emulator

Wed Feb 05, 2020 10:37 pm

If you are compiling DOSBox version 0.74-3 with TARGETCPU ARMV7LE you will see the program will not compile if you had plans to compile DOSBox with dynrec available using ARMV7LE as the TARGETCPU compile dosbox-code-0 which is DOSBox from the SourceForge repository, the SVN version of DOSBox can use ARMV7LE for TARGETCPU with DOSBox 0.74-3 you can only compile DOSBox with ARMV4LE for TARGETCPU to activate dynamic CPU core on the RPI3 computer, for the Raspberry Pi 4 computer I don't know if using ARM4LE or ARMV7LE for TARGETCPU will improve performance with core dynamic enabled the RPI4 should use ARMV8LE for TARGETCPU, because the RPI4 uses a ARMV8 CPU the RPI3 uses a ARMV7 CPU, and the RPI0 uses a ARMV6 CPU.

NovaCoder
Posts: 17
Joined: Mon May 29, 2017 11:37 pm

Re: DOSBox 0.74-3 MSDOS x86 emulator

Wed Feb 05, 2020 11:13 pm

Hi,

I used the code from sourceforge and built it successfully with ARMV4LE for my pi 3 but I don't think the dynarec was actually enabled because it didn't run any faster.

Chris

Moonmarch
Posts: 546
Joined: Thu Mar 07, 2019 1:34 am

Re: DOSBox 0.74-3 MSDOS x86 emulator

Thu Feb 06, 2020 1:35 am

If you are using DOSBox-SVN do not change config.h well you can change config.h if you know how to adjust the parameters manually if you are using RPI3 to compile DOSBox-SVN follow the guide that I wrote that is in this same forum topic, after using the ./configure command you will see I did not include additional parameters with ./configure when the ./configure command finishes generating a Makefile then use the command in the terminal make -j4 to compile DOSBox.

After compiling DOSBox run DOSBox at least 1 time when you start DOSBox check the terminal you will see the directory the DOSBox configuration file is located which will be in a hidden directory to access the DOSBox configuration file in the terminal use the command:

Code: Select all

cd .dosbox

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dir
After using the dir command in the terminal you will see the DOSBox conf. file which is the file you will need to adjust to activate core dynamic without core dynamic emulation speed will be very slow no other way around the situation you can edit the DOSBox conf. file using Mousepad text editor, if anyone out there is stuck with using DOSBox here is a link to a guide that I wrote that will show you how to configure DOSBox, and how to use DOSBox:

Configuring DOSBox, Keyboard Commands for Using DOSBox, and DOS Freeware/Shareware games
https://www.raspberrypi.org/forums/view ... 8&t=260334

NovaCoder
Posts: 17
Joined: Mon May 29, 2017 11:37 pm

Re: DOSBox 0.74-3 MSDOS x86 emulator

Thu Feb 06, 2020 2:04 am

Great, thanks I'll give it another go and let you know if I'm successful

Chris

NovaCoder
Posts: 17
Joined: Mon May 29, 2017 11:37 pm

Re: DOSBox 0.74-3 MSDOS x86 emulator

Fri Feb 07, 2020 11:28 am

Okay working now with the SVN build on my 3B+ but still a bit slow.

DavidInvenio
Posts: 40
Joined: Wed Mar 07, 2018 10:20 pm

Re: DOSBox 0.74-3 MSDOS x86 emulator

Mon May 11, 2020 5:32 pm

I know this post is old but I just wanted to 1: say a huge THANK YOU to the op, for all the effort and all the followups he did (far more than most ppl would do) and 2: to add my feedback... that being that his instructions as of 05.11.2020 worked 100% PERFECTLY for me on a Pi3B running Stretch, and another one running Buster. While I am familiar with building from source and the issues that can come up, as I am a software engineer and develop for *nix, there was not 1 single thing I had to do manually other than the config changes that op kindly points out in his post. So really, it was a no-brainer. I then set my desired resolution in the conf file for dosbox, turned of keyboard scancodes of course (otherwise running in console and not x11 leaves you with a whacked out keyboard), set my mount in the autoexec at the bottom of the conf file, and voila! Ran perfect the first time. And the dos game I've been dying to play once again (Lode Runner, Legend Returns) runs perfect. Graphics are great. Speed is excellent, and sorry I don't have the metrics because I'm too busy playing it ;-) LOL but it's so much faster than the stock Dosbox that apt installed it's amazing. And this LR version is not the old-time terrible graphics, it's the last one they did and has very nice graphics. And it all runs perfect. Sound as well.

I don't really have any advice to offer anyone who's had problems, all I can do is confirm that a vanilla Stretch/Buster on a Pi3B (not +) worked perfectly with the top post by the op. I'll watch here just in case anyone needs some moral support or more.
Happy DOS-ing fellow Pi-folk.

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