595                DoutX4                                            c-code Pin1-7 = O0-O7 = D0-D7       but     react on "MIOS32_DOUT_PinSet( 7-0,  1);"   ?is there a switch that inverses that?   i just for info: have a fabricated pcb here, and it would be nice i dont have to redoo the hardware, its a led-matrix > http://wiki.midibox.org/doku.php?id=cc-looper