icemulti(1) on Linux
The text 720d25a2d7c3, as Debian 10 (Buster) shipped it.
a tool for packing multiple bitstream files into one iCE40 multiboot image file
Flags it lists
-
-c -
-o -
-p0 -
-p1 -
-p2 -
-p3 -
-v