Michael Karas wrote:
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I also have done work on this laser system with some of the system engineering and part of the user interface software. In this device the PC host does the laser beam motion profile "compilation" into micro-vectors which are then sent to a separate DSP card which scans the microvector list and steps two mirrors via a pair of 16-bit D/A converters.

Yet I built a commercially successful graphical image rotation scaling and full scrolling text with an 80C535 more than 10 years ago ! And it did its own motion profiling with its own digitally driven analogue computer.

Steve