ZBasic Forum

OK, so I predicted I'd feel stupid... A non-A part from the parts drawer (into the trashcan now, of course).

I'll have to check on the A part or not, though I think it is - in fact, I remember that it is a new part (from my parts bin ), so I'm sure it is an A part.

Another test I tried: Debug.Print => Console.WriteLine. Same results

I'm using the NetMedia development board.

Another question: Does the speed of the debug port matter for this (e.g. is it possible that I'm over-running the queue of the debug port? I am using the standard speed (19200).

OK, it's been a long time. I have some ZX-40's that I'm trying to re-purpose. Got the dev board going again, and tried a simple program (alternate flash 2 led's) and it worked fine. Then I made a suttle change and all hell broke loose... BTW, the ZX-40 in question is running the latest VM (2.6.3) fr...

I paired it with an eeprom that I programmed from another device, and it functions fine. Including running the code in the eeprom. But it still won't download.

I'll also try to re-create the situations that I described before. I know how helpful a test program can be when re-creating a problem.

I now have a device (zx40a) that will not respond to ACK. This part was good, but I can't even recover it using the firmware download method that I used before. Is there any other way in? I know that the device is OK. BTW, computation of the address using DataAddress is very unpredictable. If you us...

I think this wrap-around is exactly what I had happen. Note that from my example I overflowed by more than 500 bytes.

I've since moved on (by fixing my code), so I don't have a handy way of generating this again.

I understand your changes to the code, but it's more that the manual entry that is a problem. I use the pop-up help in the IDE (mostly), and the pop-up says the first parameter is "ByRef data As AnyType" which is clearly not what was intended (Needs to say "ByRef data As Byte").

Code Similar to following: Public xapKeys As StringVectorData ({ "xap-header", "xap-header.class", ... }) Dim i as Integer, s as String, crc As UnsignedInteger For I = 1 to UBound(xapKeys) s = xapKeys(i) ' Local co...

I recovered from this, so it's not necessarily urgent. What happened is that I compiled a program that used more persistent memory than the device was capable of (zx40a, avail=2016, compiled to use 2568). No error/warning in the IDE. Down loaded and verified correctly (the first time). Made a change...

Yes, actually this is a "manufacturing process" - I wanted to use the BX Development board to program the EEPROM, and transport just that to the working system. Since the code I use currently uses FirstTime(), this doesn't seem possible. The other part of the initial question had to do wit...

This question really pertains to moving from BasicX to ZX system. I noticed (by trial and error) that on the old BX line of chips, the download of a user program (to the eeprom) also updated something in the CPU (i.e. they were "paired" after the download - you had to move both to a new bo...

Just for grins, I changed to use debug.print CStr(GetPin(D.4)) and it works. So what is wrong about using Register.PortD?

I've tried both D.4 and a bit on Port C (don't recall exactly which one). To determine what was read, I've always used debug.print CStrHex(Register.PortD) (or PortC when I tried the other pin).

I read the app note, and I think I'm going to need a transistor switch to do this, but I'll ask the question anyway. I'd like to be able to just find the right pull-up value if that's possible. What I have is an A6821 (http://www.allegromicro.com/datafile/6821.pdf) that I'm trying to read the serial...