From: "Matt" Newsgroups: comp.os.msdos.djgpp Subject: Timer interrupt Date: 3 Oct 1998 04:20:17 GMT Organization: The Internet Group Ltd Lines: 8 Message-ID: <01bdee85$29a0b160$6a8b4fd1@spock> NNTP-Posting-Host: p106.nzwide.ihug.co.nz X-Newsreader: Microsoft Internet News 4.70.1155 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp hi there. i need to write a simple handler for the timer interrupt (it just needs to increment a counter). i need to call the original bios handler every x ticks to maintain the correct system date and time. is there an easy way to do this conditional chaining with the dpmi functions, or would i have to write my own little wrapper like has been done in allegro? any help appreciated... matt.