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Programming > Pascal Borland > Re: How to debu...
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Re: How to debug inside the BIOS and/or interrupt?

by Jim Leonard <spamtrap@[EMAIL PROTECTED] > Jul 6, 2007 at 03:38 AM

On Jul 5, 7:15 am, NoS...@[EMAIL PROTECTED]
 (Bob Masta) wrote:
> SB data is normally transferred via
> DMA (except for a crappy old 8-bit mode), and the interrupt is
> just to tell you that the DMA block is done.

This just dawned on me:  My SB uses DMA 1... and I think the hard disk
controller does too.  So the SB IRQ interrupting a disk transfer
already in progress is probably what is locking the machine up (DMA is
probably getting dorked with mid-transfer).

You wrote DAQARTA, which took data in from a SB and wrote it to
disk... how did you get around this problem?  Does your program try to
use both devices and/or DMA channels simultaneously?
 




 25 Posts in Topic:
How to debug inside the BIOS and/or interrupt?
Jim Leonard <spamtrap  2007-07-05 02:45:50 
Re: How to debug inside the BIOS and/or interrupt?
"Rod Pemberton"  2007-07-05 02:17:27 
Re: How to debug inside the BIOS and/or interrupt?
"Benjamin David Lunt  2007-07-05 15:28:00 
Re: How to debug inside the BIOS and/or interrupt?
NoSpam@[EMAIL PROTECTED]   2007-07-05 12:15:06 
Re: How to debug inside the BIOS and/or interrupt?
HubbleBubble <spamtra  2007-07-05 02:21:48 
Re: How to debug inside the BIOS and/or interrupt?
hartnegg <spamtrap@[EM  2007-07-05 08:11:22 
Re: How to debug inside the BIOS and/or interrupt?
Jim Leonard <spamtrap  2007-07-05 09:04:20 
Re: How to debug inside the BIOS and/or interrupt?
"Rod Pemberton"  2007-07-05 18:33:55 
Re: How to debug inside the BIOS and/or interrupt?
"Wolfgang Kern"  2007-07-06 17:40:44 
Re: How to debug inside the BIOS and/or interrupt?
Jim Leonard <spamtrap  2007-07-05 09:13:45 
Re: How to debug inside the BIOS and/or interrupt?
Jim Leonard <spamtrap  2007-07-05 10:07:22 
Re: How to debug inside the BIOS and/or interrupt?
"Rod Pemberton"  2007-07-05 18:32:16 
Re: How to debug inside the BIOS and/or interrupt?
"Markus.Humm"   2007-07-10 19:37:06 
Re: How to debug inside the BIOS and/or interrupt?
"Jason Burgon"   2007-07-05 22:55:04 
Re: How to debug inside the BIOS and/or interrupt?
Jim Leonard <spamtrap  2007-07-05 10:12:12 
Re: How to debug inside the BIOS and/or interrupt?
Jim Leonard <spamtrap  2007-07-05 14:49:30 
Re: How to debug inside the BIOS and/or interrupt?
Jim Leonard <spamtrap  2007-07-06 02:15:15 
Re: How to debug inside the BIOS and/or interrupt?
Jim Leonard <spamtrap  2007-07-06 03:38:11 
Re: How to debug inside the BIOS and/or interrupt?
NoSpam@[EMAIL PROTECTED]   2007-07-06 12:18:48 
Re: How to debug inside the BIOS and/or interrupt?
ArarghMail707NOSPAM <s  2007-07-06 15:31:57 
Re: How to debug inside the BIOS and/or interrupt?
Jim Leonard <spamtrap  2007-07-06 08:57:39 
Re: How to debug inside the BIOS and/or interrupt?
Jim Leonard <spamtrap  2007-07-06 09:39:13 
Re: How to debug inside the BIOS and/or interrupt?
Jim Leonard <spamtrap  2007-07-11 09:01:39 
Re: How to debug inside the BIOS and/or interrupt?
NoSpam@[EMAIL PROTECTED]   2007-07-12 11:46:55 
Re: How to debug inside the BIOS and/or interrupt?
"Jason Burgon"   2007-07-12 18:28:36 

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