Thread (8 messages) flat view 8 messages, 3 authors, 2000-05-19

Re: How to get rom code to go on FADS?

From: Dan A. Dickey <hidden>
Date: 2000-05-18 03:22:43

Dan Malek wrote:
Richard Hendricks wrote:
quoted
Interesting.  So clearing the SYPCR early in the ROM code is what
was preventing you from getting the code to run stand-alone?
Oh, yes.  Clearing SYPCR is a very bad thing.  You end up with counter
values set to zero and immediately time out.  It seems a little strange,
as you have also cleared the enable flags.  I am sure someone at SPS
could explain the transistors flipping inside the part to make this
happen.
Ok ok...not *clearing* SYPCR.  :)

Just setting it to 0xFFFFFF88.
	-Dan

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