Re: Interrupts don't interrupt?!

From: Ron Oliver <ron_at_forth.com>
Date: Wed, 18 Apr 2007 15:42:31 -0400

Leon Wagner wrote:
> No, the BDM on the ColdFire is non-intrusive. It does not HALT the CPU and only
> steals an occasional memory cycle to read and write RAM locations. The older
> BDMs (like the CPU32) would FREEZE or HALT the CPU whenever they were performing
> I/O. The new CF ones don't do that (much nicer :)

That wasn't always true...

cvs log SwiftX/Src/ColdFire/Bdm.f
[snip]
revision 1.5
date: 2006/03/28 00:09:53; author: leon; state: Exp; lines: +26 -34
Memory-based XTL parameter passing (no registers, no HALT).

--
Ron Oliver                 cell: 248.330.4446
Consulting Engineer        main: 310.491.3356 or 800.55.FORTH
FORTH, Inc.
www.forth.com
----------------------------------------------------------------------
swiftx_at_forth.com          The SwiftX programming discussion email list
To unsubscribe, send subject "unsubscribe" to swiftx-request_at_forth.com
For list command help, send subject "help" to swiftx-request_at_forth.com
Message archives are located at http://www.forth.com/archive/swiftx
----------------------------------------------------------------------
This list is a forum for SwiftX users.  For product support and bug
reports, please send email to support_at_forth.com
----------------------------------------------------------------------
Received on Wed Apr 18 2007 - 18:28:47 PDT

Subscribe to our e-mail list service. It's free for all SwiftForth and SwiftX users!

This archive was generated 09-Feb-2012. Archive updated nightly.