18 Jan
2025
18 Jan
'25
1:34 p.m.
On 17/01/2025 14:59, Jon Elson via cctalk wrote:
The high bit indicated laser on/off, and the rest of
the bits were a
15-bit repeat count. A token of all zero indicates the end of that
raster line. 2 consecutive zero tokens indicates the end of the
entire plot.
<snip>
That's pretty much the compression method used for GEM .IMG files
(from
memory)!