SECONDARY_DRIVE_REGISTERS_POFFSET
{ SECONDARY_DRIVE_REGISTERS_POFFSET, SECONDARY_AUX_REGISTER_POFFSET }
#define SECONDARY_AUX_REGISTER_POFFSET (SECONDARY_DRIVE_REGISTERS_POFFSET + 0x380)
{ SECONDARY_DRIVE_REGISTERS_POFFSET, SECONDARY_AUX_REGISTER_POFFSET,