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critical error findfirst not handled correctly

bugSomething isn't workingSomething isn't working

Status: Open.

#247 In FDOS/kernel;

· PerditionC opened on Apr 23, 2026

Trying to extend a zero-byte file using seek then write, where the seek doesn't fit on disk, doesn't update file size for allocated clusters

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#241 In FDOS/kernel;

· ecm-pushbx opened on Apr 21, 2026

SYS: /B 00 not correctly accepted to enter a zero into boot unit variable

Status: Open.

#239 In FDOS/kernel;

· ecm-pushbx opened on Apr 2, 2026

XHDD.SYS failure

Status: Open.

#237 In FDOS/kernel;

· ZX-Commodore-ST opened on Feb 21, 2026

Regression on EOF on stdin

Status: Open.

#236 In FDOS/kernel;

· andrewbird opened on Feb 17, 2026

INT21,7305 only invalidates buffers on success

Status: Open.

#234 In FDOS/kernel;

· boeckmann opened on Jan 25, 2026

FAT32 C: boot on 16-bit PC systems

bugSomething isn't workingSomething isn't working

compatibilityissue may effect compatibilityissue may effect compatibility

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#223 In FDOS/kernel;

· sparky4 opened on Oct 9, 2025

MS-DOS writes 0 bytes if an entire write cannot be fulfilled due to disk space

compatibilityissue may effect compatibilityissue may effect compatibility

Status: Open.

#218 In FDOS/kernel;

· ecm-pushbx opened on Sep 20, 2025

Build all kernel variants via Github actions

todosomething that needs to be done, may be a fix for a bug or enhancementsomething that needs to be done, may be a fix for a bug or enhancement

Status: Open.

#216 In FDOS/kernel;

· boeckmann opened on Aug 29, 2025

Busy SFT (during open) has a reference count of 0FFFFh on MS-DOS, lDOS, EDR-DOS

compatibilityissue may effect compatibilityissue may effect compatibility

Status: Open.

#214 In FDOS/kernel;

· ecm-pushbx opened on Aug 21, 2025

GCC Makefile defines march=i80286 for 386 build?

questionFurther information is requestedFurther information is requested

Status: Open.

#211 In FDOS/kernel;

· boeckmann opened on Aug 14, 2025

Init disk only follows one extended partition, even if both type 5 and type 15 present

Status: Open.

#209 In FDOS/kernel;

· ecm-pushbx opened on Aug 8, 2025