terminateMsg
CntrlParam used to request and provide status information IOParam used to perform Device Manager I/O calls Chooser message values
newSelMsg 12 new user selections have been made
fillListMsg 13 fill the list with choices to be made
getSelMsg 14 mark one or more choices as selected
selectMsg 15 a choice has actually been made
deselectMsg 16 a choice has been canceled
terminateMsg 17 lets device package clean up
buttonMsg 19 tells driver a button has been selected
Caller values
chooserID 1 caller value for the Chooser
Do not use low memory global variables that are not documented.
No undocumented location below the system heap is guaranteed to be available
for use in future systems.
Name Address Size Description
JIODone 0x08FC 4 Jump vector for IODone function