geos ⁽⁷⁾

GEOS fails with a KR-09 at startup in DOSBox This one mainly happens when you try older versions of GEOS (e.g. Breadbox Ensemble, GlobalPC) in certain flavors of DOSBox emulators that default to Codepage 858 instead of 437 (e.g. DOSBox-X and probably also DOSBox Staging).

Over the years, running PC/Geos has become more and more tricky, especially since running 16-bit DOS applications on Windows has first experienced increasing compatibility problems and then disappeared completely. Emulators such as dosbox have come to the rescue to some extent, but also required extra…

Originally published in Handheld Systems, Vol 5.5 Whenever your programs have to deal with existing data formats or commonly used algorithms, you are faced with the choice between »reimplementing the wheel« or trying to use code that other people (or yourself) have written before. The…

Originally published in Handheld Systems, Vol 5.3 The Nokia 9000 Communicator was the latest publicly available addition to the family of handheld devices running the Geos operating system. Even though the Communicator had already been introduced on the CeBit 96 trade show last spring, it…

Originally published in Handheld Systems, Vol 5.2 "No man is an island", they say, and neither is, in most cases, a PDA. Especially when custom software is involved, there are numerous reasons why data has to be exchanged between a portable device an the rest…