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Last modified on 25 March 2023, at 09:58

BOS

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BOS (Banked Operating System) used on expansions RAM card from Vortex.

Versions

There are 3 versions:

BOS 1.0

Initial release

BOS 2.0

Changes:

  • Enable resizing of the first memory bank from 32 Kb to up to 64 Kb to prevent issues with large BASIC programs
  • Allow usage of ramdisk from within BASIC (was previously only usable in CP/M)
  • Allow user to set sizes of RAM floppy, printer spooler and BASIC RAM area

Bugs:

  • Cannot load files larger than 32 Kb from ramdisk in BASIC

BOS 2.1

Bugfix release.

Changes:

  • Fix bug loading files larger than 32 Kb from ramdisk in BASIC

Manuals

Downloads