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GEOS is an early GUI system for the Commodore 64 computer. https://github.com/geos64128/HG2G2022 https://github.com/geos64128/HG2G2022 That manual contains so
by richardjam73 4y ago
GEOS is an early GUI system for the Commodore 64 computer.
https://github.com/geos64128/HG2G2022 https://github.com/geos64128/HG2G2022
That manual contains some detail on how it works.
Source code for GEOS
https://github.com/mist64/geos https://github.com/mist64/geos
Quickdraw is the graphics library for the Apple Macintosh
https://computerhistory.org/blog/macpaint-and-quickdraw-source-code/ https://computerhistory.org/blog/macpaint-and-quickdraw-sour...
Digital Research GEM is another early GUI used in that Atari ST line of computers and later PC systems. Source code is available on the following page.
http://www.deltasoft.com/downloads.htm http://www.deltasoft.com/downloads.htm