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Article #143Re: What's wrong with this?
From: Mark
Date: Sun, 20 Dec 1992 05:35
Date: Sun, 20 Dec 1992 05:35
28 lines
1893 bytes
1893 bytes
In article <1992Dec15.205835.643@zooid.guild.org> Mark Kovarski <kovarski@zooid.guild.org> writes: >ON BOARD PARITY ERROR >ADDR (HEX) = (xxxx:xxxx) >SYSTEM HALTED. > >This apparently appears when the following is run: > >mov al,74 >out 43,al >mov al,ff >out 41,al >mov al,ff >out 41,al >ret or... mov al,74 ;;; Timer control <- 74 = out 43,al ;;; Channel 1(40) + 16 bit load (30) + Mode2 (04) + Binary (00) mov al,ff out 41,al mov al,ff out 41,al ;;; Timer1 <- 2^16 - 1 (1/18 second) ret oops. You just set the memory refresh timer to 50,000 microseconds.
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Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!uwm.edu!csd4.csd.uwm.edu!markh From: markh@csd4.csd.uwm.edu (Mark) Newsgroups: alt.lang.asm,comp.sys.ibm.pc.hardware Subject: Re: What's wrong with this? Date: 20 Dec 1992 05:35:35 GMT Organization: Computing Services Division, University of Wisconsin - Milwaukee Lines: 28 Message-ID: <1h10n7INNqgh@uwm.edu> References: <1992Dec15.205835.643@zooid.guild.org> NNTP-Posting-Host: 129.89.7.4