HC status
  usbcmd    =     0008   Maxp32 EGSM 
  usbstat   =     0020   HCHalted 
  usbint    =     000f
  usbfrnum  =   (0)0d0
  flbaseadd = 005c40d0
  sof       =       40
  stat1     =     0080  
  stat2     =     0080  
Frame List
Skeleton QH's
