pbFORTH : 334


Robotics / RCX / pbFORTH / 334	333 \| 335

Subject:	RE: proposed new word for deleting pbforth
Newsgroups:	lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx
Date:	Tue, 16 May 2000 14:45:53 GMT
Viewed:	1522 times

> It would be handy if there was a word that > deleted firmware. It is often inconvenient > to get at the batteries. At Kekoa I see the > opcode but no rom entry point. Trashing > the header in memory and jumping to the reset > vector might do it. I wonder if anyone has > figured this one out. Seems likely. Where do > you ask questions like this? robotics.rcx > maybe? > > I guess I should really upload the rom image > and disassemble it to see how the opcode does > it. Kekoa, feel free to jump in here... Personally, I think just jumping to the reset vector 0x0000 should do a total cold start, right? Cheers, Ralph Hempel - P.Eng -------------------------------------------------------- Check out pbFORTH for LEGO Mindstorms at: <http://www.hempeldesigngroup.com/lego/pbFORTH> -------------------------------------------------------- Reply to: rhempel at bmts dot com --------------------------------------------------------

Message has 1 Reply:

		Re: proposed new word for deleting pbforth
(...) As a guess the following string tells the ROM that there is valid firmware. This might need to be stepped on before jumping to the reset vector. .string "Do you byte, when I knock?" (25 years ago, 16-May-00, to lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx)

Message is in Reply To:

		proposed new word for deleting pbforth
It would be handy if there was a word that deleted firmware. It is often inconvenient to get at the batteries. At Kekoa I see the opcode but no rom entry point. Trashing the header in memory and jumping to the reset vector might do it. I wonder if (...) (25 years ago, 16-May-00, to lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx)

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