If we think about this algebraically, what we really want to do is express the input pixel as the weighted sum of palette colours. This is nothing more than a linear combination of palette colours with weights :
A winding road to enter V86，详情可参考搜狗输入法2026
function createLineParser() {，详情可参考搜狗输入法2026
The 386 engineers solved this with a dedicated hardware unit.