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The SAC design required the use of a graphics GUI-based
operating environment. Bob explored the initial release
of Windows on the PC, and also looked at the Macintosh and
Atari operating systems. Deciding that none of them would
meet his desired performance requirements at the time, he
opted to write his own DOS-based GUI completely in Assembly
Language. This required him to communicate directly with
video card hardware, as he could not obtain third party
driver support for his project without large scale funding,
so the GUI that he developed was designed in black an white
mode for a wider range of video card compatibility. |
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