SReadFHeader
SReadFHeader Copy the slot's format block into an FHeaderRec SpBlockPtr spBlkPtr ; address of 56-byte Slot Parameter Block
structure
SReadFHeader copies the format block for the slot designated by spSlot to an FHeaderRec allocated by the calling program and pointed to by spResult. spBlkPtr is the address of a 56-byte Slot Parameter Block structure.
The relevant fields are as follows:
Out-In Name Type Size Offset Description
Æ spResult long 4 0 FUNCTION result
Æ spSlot char 1 49 Slot number
Other parameters affected are:
spsPointer Ptr 4 4 Structure pointer spSize long 4 8 Size of structure
sp sOffsetData long 4 12 Offset/data field
spByteLanes char 1 53 ByteLanes from format block in card ROM
noErr (0) No error
smEmptySlot (-300) No card in slot.
smCRCFail (-301) CRC check failed.
smFormatErr (-302) FHeader format is not Apple's
smRevisionErr (-303) The revision of the card's declaration ROM is wrong.
smNoDir (-304) Directory offset is NIL
smNosInfoArray (-306) The SDM could not allocate memory for the sInfo
array.
smResrvErr (-307) A reserved field of the declaration ROM was used.
smUnExBusErr (-308) An unexpected bus error occurred.
smBLFieldBad (-309) A valid field was not found.
smDisposePErr (-312) An error occurred during execution of DisposPointer.
smNoBoardSRsrc (-313) There is no board sResource.
smGetPRErr (-314) Error during execution of sGetPRAMRec.
smNoBoardId (-315) There is no board ID.
smInitStatVErr (-316) The InitStatus_V field was negative after Primary or
Secondary Init.
smInitTblVErr (-317) Error while trying to initialize the sResource Table.
smNoJmpTbl (-318) Slot Manager jump table could not be created smBadBoardId (-319) Board ID was wrong; reinit the PRAM record