In SX Microcontrollers, SX/B Compiler and SX-Key Tool, g_daubach wrote:

cbmeeks,

besides all the SX assembly code I'm mostly looking at right now, I loved to see some real C code again. Thanks for disclosing the secrets of the inner workings of Windoze. This helps me a lot to understand why Win 98 crashed that often on my machine. BTW, I like the way how new software versions are created. Commenting out and inserting a new 

   printf("Welcome to Windows xx");

is the most brilliant method I ever saw, I think I'll make use of it in my future projects (should work with SX code as well).

Do you think, Win XP has been created the same way, or is it possible that they are using an object-oriented approach now, using C++, or possibly C#? :-) 

Well, back to the topic:

Mirroring a video image would mean to capture the data for each frame line from the camera, and while sending it out to the display in reverse order, you would have to capture the data for the next line. IMO, this would require two separate buffers for two lines, alternatively used - one to store the new line data, and one for reading out the last line's data in reverse order. IOW, external memory would be required as the SX does not have enough internal RAM.

I think, Dan had a good point:

>> If you're using a CRT, maybe you could flip the polarity of Horizontal Deflection coil...

Why not? This would be a real KISS solution.

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