Re: Loading a compiled program; Run UUT

From: Kev <KKlopp_at_erols.com>
Date: Wed Jul 09 2003 - 10:03:51 EDT

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<DIV><FONT face=Arial size=2>There are samples of&nbsp;loading &amp; running UUT
code&nbsp;in the Vector test scripts for Asteroids based on the CAT Box trick to
draw a "+" to the screen.&nbsp; To make the Vector test work you must disable
the WD RESET.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2>Any program of length is going to need to service
the WD RESET or depend on it to be disabled.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2>You might want to read up more on the "Quick Test"
or "Hyper Test" pods as they use a similar method of RAM testing.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2>Kev</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
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  <DIV><FONT face=Arial size=2></FONT><FONT face=Arial size=2></FONT><FONT
  face=Arial size=2></FONT><BR></DIV>
  <DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2>Has anyone done this before? Building a compiled
  program, loading it byte by byte into memory, and then doing Run UUT? I was
  playing around with this last night, but I couldn't get it to work. (6809E
  based system). Could be lots of things at this point, and I'm going to review
  the Troubleshooter documentation, but I thought I'd ask. Talk of testing RAMs
  made me think to try a few tests to see how easy it would be to build a "fast
  RAM" tester. I just took a snippet of code from the Qix self-test and wanted
  to run a modified version of that. However, even a simple test where I'm
  writing to a specific address did not seem to work. Been a looong time since I
  wrote assembly, and I've never had to bother looking at the generated op
  codes! The code was relocatable code.</FONT></DIV>
  <DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2>On a related note, it appears that it's possible
  to write some z80 code that could be executed by the 9010A base unit. You
  can't use the Fluke compiler, however, because you'd need to have a slightly
  different record structure for the program. This is part of the reason that I
  was asking about interest level in a new compiler. That, and the fact that
  there are gaps in the programming language that might be easy to
  fill.</FONT></DIV>
  <DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2>JB</FONT></DIV>
  <DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
  <DIV><FONT face=Arial size=2>--James Bright<BR><A
  href="http://www.QuarterArcade.com">www.QuarterArcade.com</A><BR>Restored
  Arcade Games for your Home</FONT></DIV></BLOCKQUOTE></BODY></HTML>

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Received on Wed Jul 09 07:20:22 2003

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