Accessing memory locations (2px)

SN96

I have finished the book "What's a micro controller" using the Basic Stamp2. I want to get the Basic Stamp 2px next, but I was wondering how do you access each of the eight 2k memory slots when programming? Can someone give me a simple code example demonstrating the usage of say just two slots, going from one slot to the other?
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Thanks
·
Mike

Chris Savage

Mike,
·· The command needed·is the RUN command.· STORE can also be used to affect which banks are used by READ/WRITE commands.· A simple bank switching program would be:

'   {$STAMP BS2px, PROG2.bpx}
'   {$PBASIC 2.5}
 
DEBUG HOME, "HELLO, THIS IS THE FIRST PROGRAM SLOT!", CR
PAUSE 1000
RUN 1

Below is PROG2.bpx

'   {$STAMP BS2px}
'   {$PBASIC 2.5}
 
DEBUG "HELLO, THIS IS THE SECOND PROGRAM SLOT!", CR
PAUSE 1000
RUN 0

This will alternate between slot 0 and slot 1.· Of course, a·good idea would be to read the Nuts & Volts article at the following link.

http://www.parallax.com/dl/docs/cols/nv/vol3/col/nv87.pdf

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Chris Savage
Parallax Tech Support
csavage@parallax.com

Jon Williams

As Chris showed you, you can use RUN to jump from one slot to another. If you want to READ data from, or WRITE data to a slot different than the one you're currently running, use STORE to point READ and WRITE to that slot.

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Jon Williams
Applications Engineer, Parallax

SN96

Thanks! That help out more than you know. I needed to see a code example to help me understand better.

Mike