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rickparrish / Usurper

32 and 64bit ports of Usurper BBS door game version 0.20e
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EAccessViolation during NPC Activity Maintenance on Raspbian #12

Closed swarmdog closed 3 years ago

swarmdog commented 5 years ago

I'm compiling on Raspbian (Pi 3B) with some changes to the build parameters (I've added these changes to my fork). I am able to launch EDITOR and setup the game, and launch Usurper locally and play. However during maintenance I get an access violation (exit code 217) during NPC Activity (24%).

Stack trace: line 1960 of USURPER/NPCMAINT.PAS line 1127 of USURPER/MAINT.PAS line 695 of USURPER/USURPER.PAS

The error seems to be caused by this line: raise_player(pl0^, npcnews, False, False, True, '');

dan1982code commented 5 years ago

Not sure if Rick is still active on BBS stuff, but I unfortunately can't find much time these days. At one point, a few years ago, I knew this code quite well and was fixing bugs all over the place. I never ran into this maintenance crash on Windows, but perhaps it is exposed by some combination of fpc flags.

swarmdog commented 5 years ago

Workaround: I deleted NPCs 18 and 45 and maint seems to run reliably. Maybe some file corruption of some kind?

My FPC defines are here: https://github.com/swarmdog/Usurper/blob/master/SOURCE/COMMON/DEFINES.INC

And my build parameters are here: https://github.com/swarmdog/Usurper/blob/master/SOURCE/BUILD-arm.sh

If anything jumps out at you as possibly causing a problem, let me know.