A utility by [[Nocash]] which converts a disk image to a cartridge.
http://nocash.emubase.de/
The tool hasn't been tested on the GX4000 so cartridges that are created may not work on it. You should test this to be sure.
1dc6 00 nop
1dc7 010009 ld bc,0900h
== Links ==
http://nocash.emubase.de/