~/fpga/svn/cc65/bin/cl65 -O -t c64 -DC64 -DSIDMAX pokeycfg.c -o sidcfg.prg 

c1541 -format "sidmaxcf","01" d64 sidmaxcf.d64
c1541 sidmaxcf.d64 -write sidcfg.prg 

c1541 -format "sidmaxcf","01" d81 sidmaxcf.d81
c1541 sidmaxcf.d81 -write sidcfg.prg 
c1541 sidmaxcf.d81 -write build_sidmax_v1_M08_128M08SF_full/output_files/core.bin