Path: utzoo!utgpu!bnr-vpa!bnr-di!leibniz!hwt
From: hwt@leibniz.UUCP (Henry Troup)
Newsgroups: comp.arch
Subject: Re: Risky instructions (WAS: Re: RCA 1802 (was: PC history))
Summary: Printers halt and catch fire
Keywords: history, pc, RCA, 1802
Message-ID: <119@leibniz.UUCP>
Date: 11 Aug 88 02:30:27 GMT
References: <5458@ecsvax.uncecs.edu> <1876@looking.UUCP> <753@applix.UUCP> <5440@june.cs.washington.edu>
Organization: Bell-Northern Research, Ottawa, CANADA
Lines: 7



Someone mentioned the HCF (Halt and Catch Fire) opcode - the IBM 3800
printer is a continuous form laser printer.  Halt and catch fire is
a reasonably regular occurence, or was - whenever there's a problem,
paper stops in the hot fuser...  The toner was also carcinogenic
but they changed that...