z80asm dist/rmf z80asm main/rmf z80asm exec/rmf z80asm eval/rmf z80asm asmb/rmf z80asm cmos/rmf z80asm math/rmf z80asm hook/rmf z80asm data/rmf era bbcbasic.com link bbcbasic=dist,main,exec,eval,asmb,math,hook,cmos,/p:4B00,data hexbin bbcbasic era bbcbasic.hex ren bbcbasic.com=bbcbasic.bin