This article was posted to the Usenet group alt.hackers in
1995; any technical information is probably outdated.
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I am so bored
Article: 7363 of alt.hackers Newsgroups: alt.hackers From: dogan@ceng.metu.edu.tr Subject: I am so bored Sender: news@liberty.uc.wlu.edu (CNEWS Userid) Message-ID: 1995Feb13.092210.15981@liberty.uc.wlu.edu Approved: Sure, it is Date: Mon, 13 Feb 1995 09:22:10 GMT Nntp-Posting-Host: lcsl.ceng.metu.edu.tr Organization: Washington & Lee University Lines: 24 Status: RO
Hi, As one can see from the subject line, I am very much bored. One frdiday night sitting by myself, I decided to turn on and off the loghts f my pc. The Capslock,numlock,.. : yeah the three lights on the keyboard. After some soul searching in Peter Norton's Guide (old book) I found the address of the location; after that I have looked up the assembly instructions ( been a lot of time since I programmed in assembly) Well only one problem I have no assembler, then remembered that I have TC++ . Found that I can embed inline assembly code, into my c code. Anyway after trying a few combinations of move instruction , I found the right code piece. I wrote the program , now the only problem is that they light up between 2 and 3 seconds interval. I can not make them light with a delay of 50 ms which gave me nothing but a headache. They do not light up fast enough so I put an interrupt call to check for keyboard status between the toggles. Then tried the delay for 50ms ; it worked. Anyway why did I post it ?. Simple I am bored now. ObVeryVeryCheapHack: Read the first 512 bytes of the harddisk and save it to a file and name it with an end com (talking about MSDOS). Run the program
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