And HSTX is actually pretty flexible. Nowhere near as flexible as PIO, but it can repeat pixels by itself (though, it uses the shift, so you can either pack mul

And HSTX is actually pretty flexible. Nowhere near as flexible as PIO, but it can repeat pixels by itself (though, it uses the shift, so you can either pack multiple pixels per 32-bit word, or repeat pixels, not both). Scanline doubling/tripping and blank line inserting can be done with nothing more than DMA chaining.