Xref: utzoo comp.sys.ibm.pc.misc:5054 alt.msdos.programmer:2324 comp.sys.ibm.pc.programmer:2551 Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!att!linac!midway!midway!chas From: chas@tira.uchicago.edu (Charles Blair) Newsgroups: comp.sys.ibm.pc.misc,alt.msdos.programmer,comp.sys.ibm.pc.programmer Subject: Writing my own print spooler Message-ID: Date: 28 Dec 90 01:27:31 GMT Sender: news@midway.uchicago.edu (News Administrator) Distribution: comp Organization: The University of Chicago Lines: 19 I've written my own int 5h handler. What I want to do is to make it act like a print spooler, so that I can let the application it is a part of get on with other work while stuff is printing -- this is a problem when I drive the printer in graphics mode. What's a good way to approach this problem? I've thought of installing the int 5h handler as a device driver, but I still don't really understand how to accomplish the spooling. What's the trick? Does the driver grab some kind of interrupt and keep looking at a buffer from which it prints, returning if the buffer has no data? Is this the trick? (In that case, I could simply grab some interrupt in my application, and accomplish the same thing.) Thanks. I prefer e-mail, and I'll summarize, if there is interest. -- Bitnet: pmrcjdb@uchimvs1 Internet: cjdb@midway.uchicago.edu