Difference between revisions of "BOS"
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'''BOS''' (''Banked Operating System'') used on [[Vortex Expansions RAM card|expansions RAM]] card from [[Vortex]]. | '''BOS''' (''Banked Operating System'') used on [[Vortex Expansions RAM card|expansions RAM]] card from [[Vortex]]. | ||
| + | == Versions == | ||
| + | There are 3 versions: | ||
| − | + | === BOS 1.0 === | |
| + | Initial release | ||
| − | + | === BOS 2.0 === | |
| − | + | ||
Changes: | Changes: | ||
* Enable resizing of the first memory bank from 32 Kb to up to 64 Kb to prevent issues with large BASIC programs | * Enable resizing of the first memory bank from 32 Kb to up to 64 Kb to prevent issues with large BASIC programs | ||
| Line 13: | Line 15: | ||
* Cannot load files larger than 32 Kb from ramdisk in BASIC | * Cannot load files larger than 32 Kb from ramdisk in BASIC | ||
| − | + | === BOS 2.1 === | |
| + | Bugfix release. | ||
| + | |||
Changes: | Changes: | ||
* Fix bug loading files larger than 32 Kb from ramdisk in BASIC | * Fix bug loading files larger than 32 Kb from ramdisk in BASIC | ||
Revision as of 15:43, 17 January 2020
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
- Vortex SP 512 Kb (BOS 1.0) Manual (pdf)
(August 1985) - Vortex BOS 2.0 Manual (pdf) (10.11.1986)
- Vortex RAM Expansions SP64-SP512 (BOS 1.0) User Handbook (pdf)
(Oct 1985)
Downloads
- BOS10.zip - BOS v1.0 (ROM-image)
- BOS10ALT.ZIP - BOS v1.0 (ROM-image Alternative version)
- BOS21.zip - BOS v2.1 (ROM-image)
