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Article #1772

Re: JPI v. 2.0 interrupt co-routine questions

#1772
From: ZAITCEV
Date: Tue, 12 Mar 1991 03:06
20 lines
1606 bytes
 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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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
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