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doors:tutorials:dos:dosonpi
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doors:tutorials:dos:dosonpi [2021/01/25 07:47] avon created |
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| - | === Run DOS BBS DoorGames on the Raspberry Pi === | + | ===== Run DOS BBS DoorGames on the Raspberry Pi ===== |
| - | Article by Darryl Perry (2016) | + | //Article by Darryl Perry (2016)// |
| Line 11: | Line 11: | ||
| that are specific to the package you wish to use. | that are specific to the package you wish to use. | ||
| - | How does this work? | + | ====How does this work?==== |
| We will be creating an emulated virtual DOS environment from which to run | We will be creating an emulated virtual DOS environment from which to run | ||
| Line 30: | Line 30: | ||
| 3) ODROID XU3-Lite (hardkernel.com) | 3) ODROID XU3-Lite (hardkernel.com) | ||
| - | Caveats: | + | === Caveats === |
| The Raspberry Pi B+ is the least robust device I've attemted this with | The Raspberry Pi B+ is the least robust device I've attemted this with | ||
| Line 44: | Line 44: | ||
| almost unnoticable. | almost unnoticable. | ||
| + | === Required packages === | ||
| - | Required packages: | ||
| qemu: apt-get install qemu | qemu: apt-get install qemu | ||
| socat: apt-get install socat | socat: apt-get install socat | ||
| Line 51: | Line 51: | ||
| - | Create freedos image: | + | === Create freedos image === |
| We will be creating a FreeDOS image to be used in our VM. | We will be creating a FreeDOS image to be used in our VM. | ||
| Line 66: | Line 66: | ||
| larger than I need so you may be able to use something much smaller. | larger than I need so you may be able to use something much smaller. | ||
| - | Configure 4DOS: | + | === Configure 4DOS === |
| Once you have a working FreeDOS VM, you will need to configure the boot | Once you have a working FreeDOS VM, you will need to configure the boot | ||
| Line 75: | Line 75: | ||
| 1) Create a mount point: | 1) Create a mount point: | ||
| - | mkdir /mnt/freedos | + | mkdir /mnt/freedos |
| 2) mount the image | 2) mount the image | ||
| - | sudo mount -t msdos -o loop,offset=32256 ./freedos.img /mnt/freedos | + | sudo mount -t msdos -o loop,offset=32256 ./freedos.img /mnt/freedos |
| You can then cd to /mnt/freedos/ and edit your files. You can also use | You can then cd to /mnt/freedos/ and edit your files. You can also use | ||
| Line 84: | Line 84: | ||
| unmount the image before running the VM. | unmount the image before running the VM. | ||
| - | sudo umount /mnt/freedos | + | sudo umount /mnt/freedos |
| The default boot scripts are C:\FDCONFIG.SYS and C:\FDOS\FDAUTO.BAT. | The default boot scripts are C:\FDCONFIG.SYS and C:\FDOS\FDAUTO.BAT. | ||
| Line 121: | Line 121: | ||
| FDAPM APMDOS | FDAPM APMDOS | ||
| LH SHARE | LH SHARE | ||
| - | DOSLFN | + | DOSLFN |
| MEM /C /N | MEM /C /N | ||
| SET AUTOFILE=%0 | SET AUTOFILE=%0 | ||
| Line 132: | Line 132: | ||
| alias auto=edit %0 | alias auto=edit %0 | ||
| CALL D:\RUN.BAT | CALL D:\RUN.BAT | ||
| - | ---------------------------------------- | + | ---------------------------------------- |
| Note how the batch file ends with CALL D:\RUN.BAT. RUN.BAT is the | Note how the batch file ends with CALL D:\RUN.BAT. RUN.BAT is the | ||
| Line 138: | Line 138: | ||
| doors.sh script. | doors.sh script. | ||
| - | Setting up the doorgames: | + | === Setting up the doorgames === |
| You will want to run the DOS VM initially, to setup your doorgames. To do | You will want to run the DOS VM initially, to setup your doorgames. To do | ||
| that, you just run qemu normally, but with the mounted local file system. | that, you just run qemu normally, but with the mounted local file system. | ||
| I've written a simple batch file that will load the VM. | I've written a simple batch file that will load the VM. | ||
| - | + | | |
| - | ---------------------------------------- | + | ---------------------------------------- |
| - | #!/bin/sh | + | #!/bin/sh |
| - | + | ||
| - | rm /home/bbs/temp${NODE}/run.bat | + | rm /home/bbs/temp${NODE}/run.bat |
| - | + | ||
| - | qemu-system-i386 \ | + | qemu-system-i386 \ |
| - | -localtime \ | + | -localtime \ |
| - | /home/bbs/doors/qemu/freedos.img \ | + | /home/bbs/doors/qemu/freedos.img \ |
| - | -boot c \ | + | -boot c \ |
| - | -hdb fat:/home/bbs \ | + | -hdb fat:/home/bbs \ |
| - | -m 1024 | + | -m 1024 |
| - | ---------------------------------------- | + | ---------------------------------------- |
| If you are running this remotely, from a terminal like putty, you can add | If you are running this remotely, from a terminal like putty, you can add | ||
| the -curses flag. That will give you an interactive shell into the VM. | the -curses flag. That will give you an interactive shell into the VM. | ||
| - | |||
| The method used for running the VM will mount the /home/bbs directory as | The method used for running the VM will mount the /home/bbs directory as | ||
| Line 168: | Line 167: | ||
| it will be located at D:\DOORS\LORD | it will be located at D:\DOORS\LORD | ||
| - | The dropfile locations will also be on your D: drive. | + | The dropfile locations will also be on your D: drive. |
| - | D:\TEMP | + | D:\TEMP |
| - | + | ||
| - | or for node #2: | + | |
| - | D:\TEMP2 | + | |
| | | ||
| + | or for node #2: | ||
| + | D:\TEMP2 | ||
| + | | ||
| + | === The working DOORS.SH script === | ||
| - | The working DOORS.SH script: | + | This is the script as I have it working for me: |
| - | This is the script as I have it working for me: | + | |
| | | ||
| - | ------------------------------------ | + | ------------------------------------ |
| - | #!/bin/sh | + | #!/bin/sh |
| | | ||
| ## Pass the parameters for the door and the node. | ## Pass the parameters for the door and the node. | ||
| Line 199: | Line 198: | ||
| ## Operation OverKill II | ## Operation OverKill II | ||
| OOII) | OOII) | ||
| - | echo "@echo off" > ${gobat} | + | echo "@echo off" > ${gobat} |
| - | echo "D:" >> ${gobat} | + | echo "D:" >> ${gobat} |
| - | echo "CD \DOORS\OO" >> ${gobat} | + | echo "CD \DOORS\OO" >> ${gobat} |
| - | ### Use the CALL command when calling a door batch file. | + | ### Use the CALL command when calling a door batch file. |
| - | ### If not used, then the door batch file will not return | + | ### If not used, then the door batch file will not return |
| - | ### to the RUN.BAT script to complete execution. If the | + | ### to the RUN.BAT script to complete execution. If the |
| - | ### RUN.BAT script does not complete execution, then it will | + | ### RUN.BAT script does not complete execution, then it will |
| - | ### not shut down the VM. It will then just go to a dos | + | ### not shut down the VM. It will then just go to a dos |
| - | ### prompt and the user will not see it, and will think that | + | ### prompt and the user will not see it, and will think that |
| - | ### the game is hung. | + | ### the game is hung. |
| - | echo "CALL OOIIDOOR.BAT ${NODE}" >> ${gobat} | + | echo "CALL OOIIDOOR.BAT ${NODE}" >> ${gobat} |
| ;; | ;; | ||
| ## Legend of the Red Dragon | ## Legend of the Red Dragon | ||
| Line 250: | Line 249: | ||
| ;; | ;; | ||
| DOS) | DOS) | ||
| - | ;; | + | ;; |
| - | esac | + | esac |
| - | ## At the end of run.bat, we add this line to gracefully shutdown the VM. | + | ## At the end of run.bat, we add this line to gracefully shutdown the VM. |
| - | ## This will return the user back to the BBS. | + | ## This will return the user back to the BBS. |
| - | echo "C:\FDOS\BIN\FDAPM POWEROFF" >> ${gobat} | + | echo "C:\FDOS\BIN\FDAPM POWEROFF" >> ${gobat} |
| - | ## The batch file must be in dos format, or it will not run properly. | + | ## The batch file must be in dos format, or it will not run properly. |
| - | todos ${gobat} | + | todos ${gobat} |
| - | + | ||
| - | + | ||
| - | ### The main QEMU call. | + | ### The main QEMU call. |
| - | ### 1) -localtime to pass the host clock to the VM | + | ### 1) -localtime to pass the host clock to the VM |
| - | ### 2) tell it to use the freedos.img | + | ### 2) tell it to use the freedos.img |
| - | ### 3) tell it to boot to the C: drive | + | ### 3) tell it to boot to the C: drive |
| - | ### 4) Turn off all displays. Otherwise it will give errors or skewed displays | + | ### 4) Turn off all displays. Otherwise it will give errors or skewed displays |
| - | ### 5) How many megabytes of memory to allow for the BM | + | ### 5) How many megabytes of memory to allow for the BM |
| - | ### 6) Define a serial modem connection and assign a computer port | + | ### 6) Define a serial modem connection and assign a computer port |
| - | ### 7) Mount the main BBS directory in RW mode | + | ### 7) Mount the main BBS directory in RW mode |
| - | ### The qemu call is loaded into the background. We do this so that we can | + | ### The qemu call is loaded into the background. We do this so that we can |
| - | ### spawn a concurrent socat process. | + | ### spawn a concurrent socat process. |
| - | qemu-system-i386 \ | + | qemu-system-i386 \ |
| - | -localtime \ | + | -localtime \ |
| - | /home/bbs/doors/qemu/freedos.img \ | + | /home/bbs/doors/qemu/freedos.img \ |
| - | -boot c \ | + | -boot c \ |
| - | -display none \ | + | -display none \ |
| - | -m 256 \ | + | -m 256 \ |
| - | -serial telnet::${portnum},server,nowait,nodelay \ | + | -serial telnet::${portnum},server,nowait,nodelay \ |
| - | -hdb fat:rw:/home/bbs > /dev/null 2>&1 & | + | -hdb fat:rw:/home/bbs > /dev/null 2>&1 & |
| - | + | ||
| + | |||
| ### Inform the user that it will take several seconds before the game | ### Inform the user that it will take several seconds before the game | ||
| ### loads up. | ### loads up. | ||
| Line 296: | Line 295: | ||
| ------------------------------------ | ------------------------------------ | ||
| - | Using the script: | + | === Using the script === |
| I use and have developed this method for Mystic BBS. You will need to make | I use and have developed this method for Mystic BBS. You will need to make | ||
| Line 313: | Line 312: | ||
| The parameters for the script are: | The parameters for the script are: | ||
| - | doors.sh DOOR NODE# /DOS | + | doors.sh DOOR NODE# /DOS |
| The /DOS switch is used to create a DOS version of the drop file. That way | The /DOS switch is used to create a DOS version of the drop file. That way | ||
| Line 323: | Line 322: | ||
| Data: /home/bbs/doors/qemu/doors.sh LORD %3 /DOS | Data: /home/bbs/doors/qemu/doors.sh LORD %3 /DOS | ||
| - | Conclusion: | + | === Conclusion === |
| That's all there is to it. Your milage may vary. | That's all there is to it. Your milage may vary. | ||
| - | Darryl Perry | ||
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