This is an archive of CompuServe forum messages from 1985 to 1995, as saved in transcripts by John Foust.
Search Results (6 messages)
"…you figured out the current "right" way to do it." Thanks, that's good to know! "To ensure that you're really clean, you should be scanning through the unit table looking for a driver with the right name" Yup, good point. That's a change I'll definitely make.
#163406-
Serial Port Ownership
Message #163451
Here ya go, Andre. Per Craig Prouse's suggestion, I'll be adding a check for the driver name (.AIn, .AOut, .BIn, .BOut), which is somewhere towards the end of the DCE (don't have my MacsBug reference handy), to further ensure comaptibilty. That check is not in the code below. Not sure…
In case anybody's interested, here's how I solved it: The Macsbug Reference has a pretty good description of debugging and snooping around device drivers with Macsbug. I basically used the Unit Table address ($11C) to get at the DCE dCtlFlags field for the drivers in question (.AIn, .AOut, .BIn, .BOut).…
#Serial Port Ownership
Message #162798
Hi there – Anybody out there have a suggestion, or some code, as to how I can detect if an application other than my own is using a serial port? Right now the app I'm trying to fix just makes the OpenDriver call and takes over the port from anything…
Thanks for the reply, Paul. We're initially talking Mac because of our client (Mac – only). Steve McDonnell
#Writing to CD
Message #49257
Hi there – Anyone know what's involved with writing out data (big databases) from a Mac hard disk to CD ROM? Questions I have include: What kind of equipment is needed? How much does it cost? Is the hardware an attached SCSI device? What's the current data storage limit for…