General

BIOS/XBIOS
- misc. TODOs in floppy.c

BDOS (GEMDOS)
- move mem-only routines out of proc.c into umem.c or iumem.c

VDI
- Add TrueColor support
- The linemask for dashed lines is not calculated correctly, depending on
  the internal calculations of increase in x direction, like in original TOS.

AES

DESK
- Add a dialog for configuring the NVRAM (keyboard, languages, ...)
- Support for loading DESKTOP.INF?NEWDESK.INF? (needs remapping of the icon indexes)

CLI
