Article View: comp.sys.ibm.pc
Article #42745Re: microsoft c isr question
From: Richard Conner
Date: Wed, 21 Feb 1990 07:39
Date: Wed, 21 Feb 1990 07:39
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1065 bytes
In article <WIENER.90Feb17172147@stout.stout.UCAR.EDU> wiener@stout.UCAR.EDU (Gerry Wiener) writes: >In the following code an interrupt handler for the keyboard is >replaced [...] > >#define KEYBD 0x16 What you REALLY want is: #define KEYBD 0x9 /* 9 = interrupt FROM keyboard */ Interrupt 0x16 is for ROM BIOS services, i.e. turning on/off typematic, etc. 0x9 is the keyboard interrupt which occurs when each key is hit. (AS WELL AS when each key is RELEASED) -Richard -- [ .signature under construction - turn back before it's too late ]
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<1990Feb21.073956.19404@stb.uucp>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!asuvax!ncar!ico!ism780c!randvax!ucla-an!stb!richardReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!asuvax!ncar!ico!ism780c!randvax!ucla-an!stb!richard From: richard@stb.uucp (Richard Conner) Newsgroups: comp.sys.ibm.pc,comp.lang.c Subject: Re: microsoft c isr question Message-ID: <1990Feb21.073956.19404@stb.uucp> Date: 21 Feb 90 07:39:56 GMT References: <WIENER.90Feb17172147@stout.stout.UCAR.EDU> Reply-To: richard@stb.uucp (Richard Conner) Distribution: usa Organization: The Serial Tree BBS, +1 213 397 3137 Lines: 16