Hello all. How does one load to RAM? I've tried everything. Thanks.
What do you want to load in RAM?
There is only 12K of non/banked RAM available on the chip.
Which is pretty limited to store data as well as code.
I am a begginer to codewarrior. I would like to load raw assembly programs and then work my way up to C++, but I am not sure how to communicate with my device. I am just starting out with simple programs that "make" (assemble) just fine. I have tried the different communication options by the advice of one book (HCS12/9S12 An Introduction to Hardware and Software Interfacing by Han-Wuay Huang) and some guides on the internet. So far I can only do full chip simulation, which is helpful. I am used to ASMide and this is quite a bit more involved. I believe I have narrowed the options down to: "Set Connection" under component to serial monitor then "Connect" under Monitor HCS12. I am stopped right before the "Derivative Selection dialog box" appears. This may be due to improper baud rate. I believe I should be using 9600, but I cannot find the place to change this. Or I may not have a proper system clock set up on my device. I noticed that the book I am referencing sets up a system clock subroutine to initialize the phase lock loop circuit. I left this out of my original assembly code because I could not define the label of my subroutine even with XREF, which is another problem all together but it may be relevant. Thank you for your patience.
1. Does your Codewarrior version support Serial Monitor connection?
2. Is Serial Monitor firmware really installed on your chip and working?
The best would be to get BDM adapter. Either P&E USB-ML-12, or do it yourself TBDML.
I found useful information on the website of the developer of my board (www.evbplus.com). It turns out my chip was shipped with D-Bug12 monitor. I understand that Codewarrior requires serial monitor and a factory test program. Is it possible to have D-Bug12 monitor and serial monitor installed simultaniously on a single chip? If not, does anyone know of a equal or higher end quality development board that is compatible with codewarrior? I think learning C would be much more fun from a I/O interfacing perspective, as assembly was. Eventually I would like to learn how to implement and explore computer vision of all kinds. Thanks.
Retrieving data ...