Older blog entries for darkworm (starting at number 3)

13 Sep 2000 (updated 13 Sep 2000 at 12:23 UTC) »

Yesterday I was ill, but dragged myself to the computer and started to play with Microwindows. I realised after an hour with the magnifying glass that the problem with Microwindows was the endianess of the pixel representation. I hacked a really dirty piece of code to convert it, and it worked, well kindof (don't you just hate that!). The pixels were all perfectly aligned, but the thing is the lines (horizontal and vertical) are all screwy, I'm just looking into where the low level pixel drawing routine is, and then incorporate my hack into it to change every screen write.

I found a patch for the Psion kernel, so I now have 2bpp and 4bpp fb support, the screwed up microwindows display look a bit better :)

Oh, and managed to screw up the filesystem on the CF again, I hope the power managment issues get sorted soon ,as this is doing my nut in!

After fiddling with libc from Debian, I was able to finally compile Microwindows for the Psion. It works, well kindof :)

It seems that the framebuffer is trying its hardest to work, but it seems to swap around the pixels every certain number of pixels, so you can see what it is trying to show, but it is garbled.

I know nothing about the fb device, so it looks like another night of caffeine will sort that one out. Don't you just love reading source code :)

The CF is still holding up, looks like I can consider the patch I made as stable, and submit it to CVS.

9 Sep 2000 (updated 9 Sep 2000 at 19:38 UTC) »

I finally managed to get the CF working, a patch will be on my FTP space at SuSE soon, once I have tidied it up a bit.

Well, after destroying my Psion yesterday, I was in a bit of a bad mood. I tried to replace the main batteries, to no avail, same for the backup battery. So instead of working on the code, I decided to give the main Psion Linux site an overhaul, it is here. I'll just wait for the guys on the list to make up their minds as to use it or not :)

Anyway, back to the main point, I decided to open up the Psion to see if there was something loose. I took out the Simm like board in there, looked like main memory and then clean up the connectors, and lo and behold, it worked!!!

So now I'm at home with the Psion working nicely!

I'm now working on getting a good solid base distro together, before starting work on a GUI, nano-x seems like the best option, as GTK is ported to it, and also FLTK, for C and C++ lovers.

Currently looking through the CompactFlash code for Linux7k. My CF card isn't recognised as "compatible" but it should be :).
It works perfectly fine in EPOC, but as of yet, nothing in Linux.
I'm trying to get hold of CIS values to see exactly what the CF card is capable of, and then write that into the driver
Failing that I'll just force the driver to register it as an IDE device (Don't try this at home kids!), just to get it working so I
can start work on GUI development .

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