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 Post subject: DOOM on Pipistrello
PostPosted: Tue Nov 19, 2013 10:03 am 

Joined: Thu Aug 29, 2013 5:48 pm
Posts: 225
I have been working on porting DOOM to Pipistrello. The code is based on the work Janne Kulmala and Juho Järvinen did to port Chocolate Doom to the Altera DE2 board using the NIOS soft processor, with changes made by me to make it run on Pipistrello using Microblaze.


Here is how to get the game up and running:

1) unzip the attached file somewhere on your computer
2) copy the file doom1.wad to a uSD card and insert it in the Pipistrello sd-card socket.
3) connect a monitor to pipstrello via HDMI and a sound system via the audio-out connector
4) program the pipistrello board with the doom.bit file to flash (i.e. fpgaprog -v -f doom.bit -b bscan_spi_lx45_csg324.bit -sa -r)

At power-up the program is loaded from flash to dram and then started. After program initialization the DOOM welcome screen will come up and the game is then running in demo mode.

To play the game a PS2 keyboard is needed, connected to Pipistrello using either the Digilent PS2 PMOD module (via the lower row on the PMOD connector) or the Saanlima NES/PS2 PMOD card (as shown in the picture).

I should add that this is still a work-in-progress - the sound/music is still not quite right but the game is very playable as is.
I will post the source code after I have cleaned it up a bit.

Here is a link to a short video showing it booting up and running in demo mode:
Here is video that shows how fluid the display is:



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