Tony, could you amplify a bit on that "Active break points" thing? If I didn't already have a SXKey and an ICD, I'd be emailing away.... congratulations on a very nice product and, I hope, on a stable marriage. James Newton mailto:jamesnewton@geocities.com 1-619-652-0593 phone ----- Original Message ----- From: Tony Nixon To: Sent: Monday, April 17, 2000 16:34 Subject: ROMzap + freebie > Hi all, > > This is probably getting a bit monotonous, but... > > ROMzap has been upgraded again. > > Some new features. > > > Active break points can be set in user code > > RAM can be read/modified > > values can be displayed in HEX, BIN or DEC > > ROM that has same data as new will not be reprogrammed > > There is also a ROMzap hardware kit available on my web site. It can > program the boot code into a blank PIC, but will come with boot code > already installed. The PCB measures 1.5 X 3 inches. > > http://www.picnpoke.com/demo/ROMzap.html > > I had a bug in the PIC software that took 2 days to find. Pretty bad > considering < 256 words. > > Here is the little gotcha... > > btfsc PIR1,RCIF ; (5) check for received RS232 data > goto GotChar ; yes > > ; no, delay routine > > GotChar ; continue with code > > It seems innocent enough, but the RCREG did not get read and the > following code considered it's contents as being the first character of > an incoming data stream. > > > This next line fixed it. > > GotChar movf RCREG,W ; read and ignore RX data > > > I got about 10 new grey hairs over that one. I even made up a new kit > because I thought the PCB had a fault. I guess when everything has been > newly developed, you tend to blame everything else but yourself for the > problem. > > Anyway, this means I have one prebuilt ROMzap kit to give away. > > If anyone wants it, email me "here", and I will use Andy W's PIC random > number routine to generate a value. Providing I get that many emails, I > will send it to Random(X) received. Otherwise I'll halve it until I get > a valid result. I will do this tommorrow morning. > > > > -- > Best regards > > Tony > > http://www.picnpoke.com > mailto:sales@picnpoke.com __________________________________________________ Do You Yahoo!? Talk to your friends online with Yahoo! Messenger. http://im.yahoo.com