Article View: comp.lang.modula2
Article #1772Re: JPI v. 2.0 interrupt co-routine questions
From: ZAITCEV
Date: Tue, 12 Mar 1991 03:06
Date: Tue, 12 Mar 1991 03:06
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I'm sorry for publishing news instead of using regular mail. I'm not
the complete stupid. Simple I'm not sure that domain "uucp" for
"loft386!mhuges" is availiable from the RELCOM. (where I resides)
In <1991Mar4.234410.21080@loft386.uucp> "loft386!mhuges" writes:
>1. The manual says that the module [priority] on PC systems is a bit
>mask and then falls forever silent. I assume this mask refers to the
>IRQs with bit 0 corresponding to IRQ0, but is this correct and is it
>bit-on or bit-off to disable a given interrupt?
>2. What, exactly, is the "interrupt vector" required by IOTRANSFER?
>An IRQ number, an index into the jump table (0CH for Com1, etc.) or
>something entirely different?
I worked with the JPI v1.15 much and I hope that v2.00 will be
compatible with v1.15. If so, SYSTEM.NewPriority really uses mask for
PC interrupt controller(s). Low/Rigth byte is mask for &21 port and
other is for &A1 port. Also, IOTRANSFER requres INT vector NUMBER or
"index into the jump table" in original speach. Sure, this works
in real mode only.
Pete
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Path: arc1-ca.pugleaf.net!utzoo!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!zaphod.mps.ohio-state.edu!rpi!uupsi!sunic!fuug!demos!news-server From: ZAITCEV@TWIN.srcc.msu.su Newsgroups: comp.lang.modula2 Subject: Re: JPI v. 2.0 interrupt co-routine questions Message-ID: <81E11AA203zaitcev> Date: 12 Mar 91 03:06:51 GMT Sender: news-server@jumbo.hq.demos.su Reply-To: ZAITCEV@TWIN.srcc.msu.su Organization: unknown Lines: 20