q40_isa_io_base 44 include/asm-m68k/io.h #define Q40_ISA_IO_B(ioaddr) (q40_isa_io_base+1+4*((unsigned long)(ioaddr))) q40_isa_io_base 45 include/asm-m68k/io.h #define Q40_ISA_IO_W(ioaddr) (q40_isa_io_base+ 4*((unsigned long)(ioaddr)))