• Robert Sprowson's avatar
    Run time discover IO controller address · ff83ed7f
    Robert Sprowson authored
    Rather than always using &3200000, try to look up IOC/IOMD's address.
    Pull out common FIQ downgrade accessing code as a macro.
    
    Tested on an A5000 (OS 3.10) with 0243,020 NIC and SA Risc PC (OS 5.28) with AEH60 NIC.
    
    Version 5.81. Tagged as 'Econet-5_81'
    ff83ed7f