Try this. This should allow you to have 254 generic mini-mugs.
Graphic routine: 007598
00 B5 04 49 40 18 80 00 03 49 40 18 00 68 02 BC 08 47 00 00 FF 80 FF FF A4 3D 19 08
Pointer to graphic table located at: 0075B0
Palette routine: 0075C8
00 B5 06 4A 80 18 80 00 05 4A 80 18 00 68 49 01 20 22 F9 F7 53 FD 01 BC 07 47 00 00 FF 80 FF FF C0 3D 19 08
Pointer to palette table located at: 0075E8