linguini1 commented on code in PR #20774:
URL: https://github.com/apache/nuttx/pull/20774#discussion_r4307800732


##########
Documentation/platforms/arm/cxd56xx/boards/spresense/index.rst:
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@@ -213,6 +213,57 @@ nsh_trace
 
 NSH with the system trace subsystem enabled for scheduler/syscall tracing.
 
+nxdoom
+------
+
+NXDoom (``apps/games/NXDoom``) on an ILI9340 display attached to the
+Spresense extension board, with the keys read from the serial console.
+
+The display is used as a frame buffer through ``CONFIG_LCD_FRAMEBUFFER``
+and runs 320x240 in landscape. The keys are read from the serial console,
+and the WAD file is kept in the on-board SPI flash, which is mounted at
+``/mnt/spif``.
+
+To play:
+
+#. Get a WAD file and name it ``doom1.wad``. It has to fit in the 4 MB of
+   flash. See :doc:`/applications/games/nxdoom/index` for what NXDoom can use.
+   The one-level Squashware IWAD
+   (https://github.com/fragglet/squashware/releases) is known to work.

Review Comment:
   Make this an RST link, or link to the NXDoom doc page where Squashware is 
mentioned.



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