CpDoesPortExist
CpEnableFifo
CpGetByte
CpInitialize
CpPutByte
CpReadLsr
CpSetBaud
ExpInitializeExecutive
InbvEnableBootDriver
InbvEnableDisplayString
InbvIndicateProgress
InbvPortEnableFifo
InbvPortGetByte
InbvPortPollOnly
InbvPortPutByte
InbvPortPutString
InbvPortTerminate
InbvSetProgressBarSubset
MY_WRITE_PORT_UCHAR