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Groups > comp.os.msdos.programmer > #684
| From | JJ <jaejunks_at@_googlemail_dot._com> |
|---|---|
| Newsgroups | comp.os.msdos.programmer |
| Subject | Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] |
| Date | 2012-07-26 14:05 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <XnsA09CD6D788692jaejunksgooglemailco@0.0.0.17> (permalink) |
| References | <82fd41a6-ff0c-4077-82b9-a56291dc4530@googlegroups.com> |
liaoo <jimmyliaoo@gmail.com> wrote: > - I want to test the ISR(interrupt service routine) for one PCI > card. Thus I need to "hook" out the HW interrupt IRQ 14 to > test... - the PCI card's interrupt line(0x3C) = 0xE in DOS mode. > That means this device will issue interrupt via 8259's IRQ 14. You should use other IRQ. IRQ 14-15 are used for IDE controllers. IRQ 14 is for primary, and IRQ 15 is for secondary. Both are not shareable unless each device is disabled in BIOS. Same goes to other non-disableable device IRQs such as system timer and keyboard.
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[Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] liaoo <jimmyliaoo@gmail.com> - 2012-07-25 08:50 -0700
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] cg_chas <cg_chas@hotmail.com> - 2012-07-25 22:41 -0400
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] liaoo <jimmyliaoo@gmail.com> - 2012-07-25 20:06 -0700
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] cg_chas <cg_chas@hotmail.com> - 2012-07-26 00:06 -0400
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] liaoo <jimmyliaoo@gmail.com> - 2012-07-25 21:42 -0700
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] cg_chas <cg_chas@hotmail.com> - 2012-07-26 09:07 -0400
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] liaoo <jimmyliaoo@gmail.com> - 2012-07-26 08:10 -0700
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-07-27 16:13 -0400
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] liaoo <jimmyliaoo@gmail.com> - 2012-07-27 23:04 -0700
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] liaoo <jimmyliaoo@gmail.com> - 2012-07-27 23:38 -0700
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] cg_chas <cg_chas@hotmail.com> - 2012-07-25 22:51 -0400
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] JJ <jaejunks_at@_googlemail_dot._com> - 2012-07-26 14:05 +0000
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] liaoo <jimmyliaoo@gmail.com> - 2012-07-26 07:41 -0700
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-07-27 16:13 -0400
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] liaoo <jimmyliaoo@gmail.com> - 2012-07-27 22:57 -0700
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-07-28 05:06 -0400
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] liaoo <jimmyliaoo@gmail.com> - 2012-07-28 05:52 -0700
Re: [Hook out HW interrupt IRQ14 with Watcom C+DOS/32a in DOS ] liaoo <jimmyliaoo@gmail.com> - 2012-08-14 20:15 -0700
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